Class / Patent application number | Description | Number of patent applications / Date published |
507269000 | Contains inorganic component other than water or clay | 87 |
20080200355 | Aqueous Solution for Managing Microbes in Oil and Gas Production and Method for their Production - This invention relates to compositions for the management and treatment of water used for the production of oil and gas products comprising an electro-chemically activated, cation or anion-containing aqueous solution (catholyte or anolyte), and to a system and process for their production. A plant is described for treating water used for petroleum production and products including a water reservoir ( | 08-21-2008 |
20080207471 | USING OXIDIZING AGENTS TO REMOVE THIOCYANANTES FROM BRINES - A method for reclamation of a brine that includes mixing a brine containing thiocyanates with an oxidizing agent; and allowing for a time sufficient for the oxidizing agent to oxidize at least a portion of the thiocyanates is disclosed. Other methods may also include determining the quantity of unoxidized thiocyanates after the oxidizing treatment. | 08-28-2008 |
20080300153 | Use of Nano-Sized Clay Minerals in Viscoelastic Surfactant Fluids - Nano-sized clay minerals enhance the viscosity of aqueous fluids that have increased viscosity due to the presence of viscoelastic surfactants (VESs). In one non-limiting theory, the nano-sized clay mineral viscosity enhancers associate, link, connect, or relate the VES micelles thereby increasing the viscosity of the fluid, possibly by mechanisms involving chemisorption or surface charge attractions. The nano-sized clay particles may have irregular surface charges. The higher fluid viscosity is beneficial to crack the formation rock during a fracturing operation, to reduce fluid leakoff, and to carry high loading proppants to maintain the high conductivity of fractures. | 12-04-2008 |
20090082230 | Well Treatment Fluids Containing Nanoparticles and Methods of Using Same - An aqueous-based well treatment fluid containing an additive having a median particle size less than 1 micron is suitable for use in a wide variety of well treatment applications including use as a drill-in fluid, thermal insulating fluid, spacer or fluid loss control additive. The fluid may consist of a high density brine. The additive is capable of viscosifying the water or brine. Viscosification of the water or brine may occur in the substantial absence of a polymeric viscosifying agent. | 03-26-2009 |
20090082231 | METHOD OF PRODUCING PROPPANTS FROM GLASS SPHERES - The invention is directed to enhancement of the effectiveness of the proppant as a result of increasing its strength, providing high permeability of the layer of proppant in the well. This result is achieved in that in the method of producing proppant from glass spheres, comprising preparing a melt of oxides, with forming spheres and cooling them, additional retention of the prepared spheres is carried out at 870-1100° C. for 8-25 minutes to the formation of a glass crystalline structure. Wherein it is possible that the glass crystalline structure contains at least 40% crystalline phase, preparation of the melt is carried out by feeding glass powder in a gas stream, said cooling and retention are carried out in one thermal device, the method itself is carried out in a rotary furnace. | 03-26-2009 |
20090105099 | PUMICE CONTAINING COMPOSITIONS FOR CEMENTING A WELL - A cement composition comprises fine pumice particles, for use in cementing subterranean wells, and oil and gas wells in particular. The pumice containing cement blends feature enhanced compressive strength, and favourable compressive strength to Young's Modulus ratios. Lightweight cement blends containing pumice, and their use in cementing oil and gas wells are also described. | 04-23-2009 |
20090111718 | Control of Fines Migration In Well Treatments - A treatment fluid that can be used for treating a subterranean formation penetrated by a wellbore is prepared from a primary treatment fluid component and an emulsion component mixed with the primary treatment fluid component. The emulsion component has an oil phase and an aqueous phase. The emulsion component comprising a source of insoluble silica particles and a source of calcium hydroxide, wherein the source of calcium hydroxide is present in the oil phase, and the source of insoluble silica particles are contained in the aqueous phase. The method is carried out by contacting at least a portion of the formation with the treatment fluid. | 04-30-2009 |
20090124522 | Cement Compositions and Methods Utilizing Nano-Hydraulic Cement - An exemplary method includes introducing a treatment fluid comprising nano-hydraulic cement into a subterranean formation. The treatment fluid may include a drilling fluid, a completion fluid, a stimulation fluid, a well clean-up fluid or a cement composition. Another example method comprises introducing a cement composition comprising nano-hydraulic cement, hydraulic cement, and water into a subterranean formation; and allowing the cementing composition to set in the subterranean formation. An example well treatment fluid comprises nano-hydraulic cement. | 05-14-2009 |
20090312202 | PROCESS FOR THE MANUFACTURE OF CARBON DISULPHIDE AND USE OF A LIQUID STREAM COMPRISING CARBON DISULPHIDE FOR ENHANCED OIL RECOVERY - The invention provides a process for the manufacture of carbon disulphide by reacting carbon monoxide with elemental sulphur to form carbonyl sulphide and disproportionating the carbonyl sulphide formed into carbon disulphide and carbon dioxide, the process comprising contacting a gaseous stream comprising carbon monoxide with a liquid elemental sulphur phase containing a solid catalyst at a temperature in the range of from 250 to 700° C. to obtain a gaseous phase comprising carbonyl sulphide, carbon disulphide and carbon dioxide. The invention further provides the use of a liquid stream comprising carbon disulphide, carbonyl sulphide and carbon dioxide obtainable by such process for enhanced oil recovery. | 12-17-2009 |
20100075874 | NANO-ADDITIVE FOR HYDROCARBON WELL CEMENTING OPERATIONS - A cement additive, comprising nanostructured or not particles of and at least one additive selected from the group consisting of nano-sized particles of SiO | 03-25-2010 |
20100197532 | METHOD OF MAKING PROPPANT USED IN GAS OR OIL EXTRACTION - Method and system for making a spherical proppant having a selected grade from a naturally occurring mined mineral having a hardness of over 6.0 Mohs. The method and system involves preprocessing the mineral mechanically into a semi-dry feedstock comprising a mass of particles with initial sphericity values generally less than 0.60; subjecting the semi-dry feedstock to an aggressive abrasive attrition operation for a process time; and, controlling the process time to a value wherein the particles of the feedstock are converted to final processed particles having a sphericity greater than 0.60 by increasing the sphericity of the feedstock particles by at least 0.10. In addition, the processed particles are screened to obtain a proppant having a selected grade. | 08-05-2010 |
20110077175 | Sealant Composition - A sealant composition for use in subterranean wells comprising an alkali metal silicate and a calcium containing inorganic compound wherein the particles of the calcium containing compound have a mean particle size that is submicron. | 03-31-2011 |
20110160104 | Ceramic Particles With Controlled Pore and/or Microsphere Placement and/or Size and Method Of Making Same - The present invention relates to lightweight high strength microsphere containing ceramic particles having controlled microsphere placement and/or size and microsphere morphology, which produces an improved balance of specific gravity and crush strength such that they can be used in applications such as proppants to prop open subterranean formation fractions. Proppant formulations are further disclosed which use one or more microsphere containing ceramic particles of the present invention. Methods to prop open subterranean formation fractions are further disclosed. In addition, other uses for the microsphere containing ceramic particles of the present invention are further disclosed, as well as methods of making the microsphere containing ceramic particles. | 06-30-2011 |
20110172130 | Treatment Fluids Comprising Vitrified Shale and Methods of Using Such Fluids in Subterranean Formations - Methods and compositions for the treatment of subterranean formations, and more specifically, treatment fluids containing vitrified shale and methods of using these treatment fluids in subterranean formations, are provided. A method of displacing a fluid in a wellbore comprises providing a wellbore having a first fluid disposed therein; and placing a second fluid into the wellbore to at least partially displace the first fluid therefrom; wherein the second fluid comprises a base liquid; vitrified shale; a clay weighting agent present in the range of about 5% to about 20% by weight of the second fluid; and a viscosifying agent present in the range of about 1% to about 10% by weight of the second fluid. | 07-14-2011 |
20110195877 | CRYSTALLINE CERAMIC PARTICLES - Crystalline ceramic particles including at least 90 percent by weight Al | 08-11-2011 |
20110257052 | Method for Practicing Microbial Enhanced Oil Recovery Using Nitrogen Containing Fertilizers Recovered from Contaminated Water for Feeding Microbes - A method of using nitrates, nitrites, or ammonium recovered from contaminated water for feeding microbes used in microbial enhanced oil recovery (MEOR). If required, the nitrogen waste removed from contaminated waters is treated to be converted as nitrates or nitrites. The nitrates and nitrites are mixed with microbes that are then injected into oil wells for improved tertiary oil production or injected separately depending on balance of feed and microbes in well brine as judged from examining brine that exits well with the oil. The use of nitrates recovered from contaminated waters to feed microbes in MEOR is cost effective for both the process of water decontamination and oil recovery. | 10-20-2011 |
20110301067 | METHOD FOR THE PRODUCTION OF A LIGHTWEIGHT MAGNESIUM SILICATE PROPPANT AND A PROPPANT - The invention relates to oil and gas industry, i.e. techniques for making proppants designed to be used as propping agents in oil and gas recovery by the method of formation hydraulic fracturing. A method for the production of a lightweight magnesium silicate proppant, the method comprises heat processing of a magnesium-containing component—a source of magnesium oxide, its co-grinding with a silica- containing component, pelletizing of the batch prepared, sintering and sieving of the pellets prepared, wherein the batch comprises (in terms of calcined substance), in % by weight: SiO | 12-08-2011 |
20120157358 | Self-Toughened High-Strength Proppant and Methods Of Making Same - Methods are described to make strong, tough, and lightweight whisker-reinforced glass-ceramic composites through a self-toughening structure generated by viscous reaction sintering of a complex mixture of oxides. The present invention further relates to strong, tough, and lightweight glass-ceramic composites that can be used as proppants and for other uses. | 06-21-2012 |
20120178653 | Fraccing fluid with unique signature identifier and fluids and flow streams with identifier - A thing or fluid, e.g., but not limited to a fraccing fluid, bodily fluid, or slurry with drill cuttings, the fluid with an identifier, the identifier including a unique identifying signature including nanomaterial. This abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b). | 07-12-2012 |
20120190597 | Extrusion Process For Proppant Production - An extrusion method and apparatus are described for producing ceramics, glass, glass-ceramics, or composites suitable for use as proppants. The method includes forming one or more green body materials, extruding the green body materials to form a green body extrudate, separating and shaping the green body extrudate into individual green bodies, and sintering the green bodies to form proppants. The apparatus includes a means for forming an intimate mixture of green body materials, means to produce a green body extrudate, means for separating and shaping the green body extrudate into individual green bodies, and means to sinter the green green bodies to form proppants. | 07-26-2012 |
20120277130 | Hydraulic Fracturing Proppant Containing Inorganic Fibers - This invention is related to the oil and gas production industry and more particularly to a proppant that can be used to enhance oil and gas production in hydraulic fracturing. Most particularly, the invention is a composition and a manufacturing process for making ceramic proppant: a ceramic matrix composition formed from a precursor of the matrix and a reinforcing additive, in which the reinforcing additive is in the form of numerous elongated inorganic crystals; or one or more than one precursor may be pre-fired (pre-calcined). | 11-01-2012 |
20130029885 | METHOD FOR PRODUCING EXPANDED GLASS GRANULES AND EXPANDED GLASS GRANULES AND THE USE THEREOF - The invention relates to a method for producing expanded glass granules. To this end, starting materials are provided, comprising 80% to 95% glass and 5% to 20% sodium silicate hydrate having a water of crystallization content between 1 and 2 wt %, in relation to the solids content. After the glass is ground, the starting materials are mixed, the ground starting materials are granulated into raw granules, and the raw granules are mixed with a release agent, the mixture comprising the raw granules and the release agent is heated to a processing temperature. In a first partial step, the pores on the surfaces of the particles of the raw granules are closed, and in a second partial step, the water of crystallization is dissolved from the sodium silicate hydrate and caused to thermally expand, whereby the particles of the raw granules expand and form the expanded glass granules. | 01-31-2013 |
20130123152 | CERAMIC PARTICLES AND METHODS FOR MAKING THE SAME - Disclosed is a population of ceramic particles that includes a plurality of individual, free flowing particles. The plurality has a total weight and particle size distribution. The effective width of the distribution is the difference between the distribution's d | 05-16-2013 |
20130244914 | Light Weight Proppant With Improved Strength And Methods Of Making Same - Methods are described to make strong, tough, and lightweight whisker-reinforced glass-ceramic composites through a self-toughening structure generated by viscous reaction sintering of a complex mixture of oxides. The invention further relates to strong, tough, and lightweight glass-ceramic composites that can be used as proppants and for other uses. | 09-19-2013 |
20130338048 | BREAKERS FOR GELLED FRACTURING FLUIDS - A fracturing fluid for a downhole environment is disclosed, comprising a water-sensitive gel; and a hydrated breaker. A fracturing fluid for a downhole environment is also disclosed, the fracturing fluid comprising a water-sensitive carrier and a breaker, the breaker comprising one or more hydrates, and wherein water of the one or more hydrates is releasable so as to act with the water-sensitive carrier to reduce the viscosity of the fluid. A method of treating a downhole environment with a fracturing fluid is also disclosed, the method comprising: providing to the downhole environment a fluid comprising a water-sensitive carrier and a breaker, the breaker comprising one or more hydrates; and allowing water from the one or more hydrates to release so as to act with the carrier to reduce the viscosity of the fluid. | 12-19-2013 |
20140011716 | PROCESS FOR DISINFECTING AND STABILIZING PRODUCTION WATER USING IN-SITU HYPOBROMOUS ACID GENERATION - A method of reusing waste-water resulting from hydrocarbon production operations as a disinfectant. The method includes a) providing waste-water resulting from hydrocarbon production operations containing greater than 3 ppm bromide ion; b) adjusting the pH of the waste-water to a pH that renders the fracturing fluid non-scaling, while maximizing the production of hypobromous acid and c) adding a sufficient amount of an oxidizing agent to convert the bromide ion to hypobromous acid to provide a disinfectant solution. | 01-09-2014 |
20140038859 | Synthetic Proppants And Monodispersed Proppants And Methods Of Making The Same - Synthetic ceramic proppants are described. Proppants having a monodispersity of 3-sigma distribution or lower are also described, including methods to make these proppants and methods of using these proppants. | 02-06-2014 |
20140038860 | Synthetic Proppants And Monodispersed Proppants And Methods Of Making The Same - Synthetic ceramic proppants are described. Proppants having a monodispersity of 3-sigma distribution or lower are also described, including methods to make these proppants and methods of using these proppants. | 02-06-2014 |
20140051612 | SWELLABLE ARTICLE - A swellable article, including a matrix material and an exfoliatable graphene-based material disposed in the matrix material. The exfoliatable graphene-based material is operatively arranged to facilitate swelling of the swellable article upon exposure to a selected fluid by sorbing particles in the fluid. The swelling enables the swellable article to engage an adjacent structure. Methods of making and using a swellable article are also included. | 02-20-2014 |
20140100143 | SYSTEMS AND METHODS OF TREATING WATER USED FOR HYDRAULIC FRACTURING - A system and method of treating a fluid to be used for hydraulic fracturing adds an effective amount of chlorine dioxide to the fluid to act as a biocide that kills harmful bacteria. A system for adding chlorine dioxide to the fluid can continuously add chlorine dioxide to an incoming flow of the fluid to produce a continuous flow of treated fluid. | 04-10-2014 |
20140121138 | PROCESS FOR REMOVAL OF ZINC, IRON AND NICKEL FROM SPENT COMPLETION BRINES AND PRODUCED WATER - Zinc, nickel and iron can be recovered from spent brines and produced water using a method that includes admixing an aqueous fluid with hydrazine to form a hydrazine complex and then filtering or otherwise removing the hydrazine complex from the aqueous fluid. Once treated, the aqueous fluid can then be recycled or at be the subject to an easier disposal. The isolated metal hydrazine complex may be recycled or discarded. | 05-01-2014 |
20140194328 | THERMOSET CERAMIC COMPOSITIONS AND A METHOD OF PREPARATION THEREFOR - Thermoset ceramic compositions and a method of preparation of such compositions. The compositions are advanced organic/inorganic hybrid composite polymer ceramic alloys. The material combine strength, hardness and high temperature performance of technical ceramics with the strength, ductility, thermal shock resistance, density, and easy processing of the polymer. Consisting of a branched backbone of silicon, alumina, and carbon, the material undergoes sintering at 7 to 300 centigrade for 2 to 94 hours from water at a pH between 0 to 14, humidity of 0 to 100%, with or without vaporous solvents. | 07-10-2014 |
20140221257 | Well Treatment Fluids and Methods Utilizing Nano-Particles - Disclosed embodiments relate to well treatment fluids and methods that utilize nano-particles. Exemplary nano-particles are selected from the group consisting of particulate nano-silica, nano-alumina, nano-zinc oxide, nano-boron, nano-iron oxide, and combinations thereof. Embodiments also relate to methods of cementing that include the use of nano-particles. An exemplary method of cementing comprises introducing a cement composition into a subterranean formation, wherein the cement composition comprises cement, water and a particulate nano-silica. Embodiments also relate to use of nano-particles in drilling fluids, completion fluids, simulation fluids, and well clean-up fluids. | 08-07-2014 |
20140371116 | Glass microspheres made from a redox active glass, and methods of producing glass microspheres - A method for manufacturing a plurality of glass microspheres comprises: melting a batch into a first glass melt in a melter system, processing the first glass melt into a second glass, pulverizing the second glass into a plurality of glass fragments, thermally processing the plurality of glass fragments into a plurality of glass microspheres, providing at least one of a plurality of redox reactions and a plurality of events in at least one of the first glass melt and a melt of the second glass, and the plurality of redox reactions and the plurality of events are induced by a plurality of redox active group (RAG) components. | 12-18-2014 |
20140378354 | FRACTURING FLUID COMPOSITION AND METHOD OF USING SAME IN GEOLOGICAL FORMATIONS - A composition and method required for providing a fracturing fluid pumped down a well bore and into a subterranean formation under conditions of pressure that will fracture the subterranean formation is described. More specifically, the composition increases the recovery of hydrocarbons from a geological formation penetrated by a well bore, wherein the composition includes a fracturing fluid that is liquid carbon dioxide (LCO | 12-25-2014 |
20150057198 | Proppant Material Incorporating Fly Ash and Method of Manufacture - A relatively low density, high strength round proppant material having (i) a round core made of a sintered mixture of fly ash and clay or, in some instances, fly ash, clay, and bauxite; and (ii) an outer shell made of sintered bauxite, and a method of making the same. | 02-26-2015 |
20150065403 | Chlorine dioxide generator for the efficient generation of chlorine dioxide in dilute solutions - Disclosed is a process for the safe and efficient generation of chlorine dioxide while achieving a variable chlorine dioxide mass flow rate, with a turn-down to turn-up ratio of at least 1 to 200. The process allows for a single chlorine dioxide generating system to safely provide variable mass flow rate of chlorine dioxide to applications that have wide ranging chlorine dioxide demand, like those experienced in oil and gas applications. | 03-05-2015 |
20150141304 | Low-Density Downhole Fluids and Uses Thereof - A downhole fluid may be circulated within a wellbore where the downhole fluid may include at least a modified perlite and/or an aerogel. The amount of the modified perlite and/or aerogel within the downhole fluid may range from about 5 vol % to about 30 vol % of the downhole fluid of the total amount of the downhole fluid. The downhole fluid may be a drilling fluid, completion fluid, lost circulation pill, displacement pill, and combinations thereof. The material may help the downhole fluid maintain a relatively low density of less than about 1100 kg/m | 05-21-2015 |
20150337193 | ACID SOLUBLE ABRASIVE MATERIAL - This disclosure is related to a method of treating a formation, a wellbore, or equipment in a wellbore. The method includes introducing a soluble abrasive material into a wellbore for various oil and gas operations. The method also includes introducing an acidic solution into the wellbore to dissolve at least a portion of the soluble abrasive material to allow for more efficient removal of the soluble abrasive material from the wellbore. | 11-26-2015 |
20150368548 | Light Weight Proppant With Improved Strength And Methods Of Making Same - Methods are described to make strong, tough, and lightweight whisker-reinforced glass-ceramic composites through a self-toughening structure generated by viscous reaction sintering of a complex mixture of oxides. The invention further relates to strong, tough, and lightweight glass-ceramic composites that can be used as proppants and for other uses. | 12-24-2015 |
20160009982 | USE OF NANO-SIZED PHYLLOSILICATE MINERALS IN VISCOELASTIC SURFACTANT FLUIDS | 01-14-2016 |
20160017209 | PROCESS FOR TREATING A WASTEWATER STREAM PRODUCED BY HYDROCARBON PRODUCTION OPERATIONS FOR REPURPOSING AS A DISINFECTANT FOR HYDROCARBON PRODUCTION OPERATIONS - A method of treating wastewater resulting from hydrocarbon production operations is provided, for repurposing as a disinfectant. The method includes a) providing wastewater resulting from hydrocarbon production operations containing greater than 3 ppm bromide ion; and b) adding a sufficient amount of an oxidizing agent to convert the bromide ion to hypobromous acid used in the formation of a disinfectant solution. At least one of chloramine, bromamine, and hypobromous acid is present in the disinfectant solution to provide disinfecting properties. A source of ammonia may also be added to the wastewater, and the disinfectant solution may be blended with other water to provide blended water for use as a fracturing fluid. | 01-21-2016 |
20160053162 | METHOD OF MANUFACTURING OF LIGHT CERAMIC PROPPANTS AND LIGHT CERAMIC PROPPANTS - A method for manufacturing of light ceramic proppants made from a mixture of raw materials that is mechanically granulated in a granulator or that is granulated in a spray dryer from a pourable ceramc mass, to obtain granulate having a granule size of 150-1700 μm (12-100 U.S. Mesh, ASTM E11-04, ISO 13503-2), and next the granulate is fired and the fired granulate is fractioned. The mixture of raw materials is prepared from: illite-beidellite-ka-olinite high-plastic clays of the Poznan series in the amount of 10% to 40% by weight; kaolinite clays in the amount of 10% to 45% by weight; kaolin in the amount of 20% to 40% by weight; fly ash from brown coal combusted in a power plant in the amount of 10% to 35% by weight; and treatment agents in the amount of up to 10% by weight. The mixture of raw materials is mixed and homogenized in a homogenizer, and the obtained granulate is fed to a fluidised bed dryer, in which it is dried to a moisture content below 3%, and the granulate is fired in a rotary furnace in a temperature from 1150° C. up to 1410° C. in time from 120 to 600 min, obtaining proppants which contain from 18% to 32% by weight of Al203, from 40% to 76% by weight of SiO | 02-25-2016 |
20160083645 | Extrusion Process for Proppant Production - An extrusion method and apparatus are described for producing ceramics, glass, glass-ceramics, or composites suitable for use as proppants. The method includes forming one or more green body materials, extruding the green body materials to form a green body extrudate, separating and shaping the green body extrudate into individual green bodies, and sintering the green bodies to form proppants. The apparatus includes a means for forming an intimate mixture of green body materials, means to produce a green body extrudate, means for separating and shaping the green body extrudate into individual green bodies, and means to sinter the green green bodies to form proppants. | 03-24-2016 |
20160090525 | SILICA GEL AS A VISCOSIFIER FOR SUBTERRANEAN FLUID SYSTEM - This invention relates to a composition and method of fracturing subterranean formations utilizing a polymerized alkali silicate. The fracturing fluid includes an alkali silicate such as sodium silicate and an acid such as hydrochloric acid. The sodium silicate is polymerized to a silica gel using an acid. The resulting silica gel has a pH from about 2 to less than 7.5. | 03-31-2016 |
20160194555 | Manufacture of Intermediate Strength Proppant or Lost Circulation Material From Drill Cuttings | 07-07-2016 |
20180022987 | METHOD OF MAKING ROD-SHAPED PARTICLES FOR USE AS PROPPANT AND ANTI-FLOWBACK ADDITIVE | 01-25-2018 |
507270000 | Inorganic component is elemental metal or alloy | 10 |
20090281006 | Methods of treating a lower-quality water for use as some of the water in the forming and delivering of a treatment fluid into a wellbore - The inventions are for methods of forming and delivering a treatment fluid into a wellbore. In one aspect, methods are provided of treating a base aqueous solution to obtain a first aqueous solution, for example, to have a substantially reduced concentration of at least one component relative to the concentration of the component in the base aqueous solution, and using the first aqueous solution and a lower-quality water, such as the base aqueous solution, to form a treatment fluid. The first aqueous solution and the lower-quality water are merged after pumping the fluid portions toward the wellbore. The component is selected for being deleterious to the use or performance of a treatment fluid. More particularly, the component is selected from the group consisting of: a dissolved ion, oil, grease, a production chemical, and suspended, water-insoluble solids. This allows the use of lower-quality water for some of the water required for making up the treatment fluid. | 11-12-2009 |
20100144562 | CERAMIC MICROSPHERES FOR CEMENTING APPLICATIONS - A method and apparatus for manufacturing ceramic microspheres from industrial slag. The microspheres have a particle size of about 38 microns to about 150 microns. The microspheres are used to create a cement slurry having a density of at least about 11 lbs/g. The resultant cement slurry may then be used to treat subterranean wells. | 06-10-2010 |
20110136707 | ENGINEERED POWDER COMPACT COMPOSITE MATERIAL - An engineered dispersed particle-cellular nanomatrix composite material is disclosed. The engineered dispersed particle-cellular nanomatrix composite material is configured for contact with a fluid and configured to provide a selectable and controllable transition from one of a first strength condition to a second strength condition that is lower than a functional strength threshold, or a first weight loss amount to a second weight loss amount that is greater than a weight loss limit, as a function of a time in contact with the fluid. | 06-09-2011 |
20120190598 | METALLIC NANOPARTICLE BIOCIDE IN INDUSTRIAL APPLICATIONS - A method includes providing and adding a measured dose amount of manufactured metallic nanoparticle material to a carrier material for pre-treatment of the carrier material prior to use of the carrier material and the manufactured metallic nanoparticle material in the sub-surface earth activity. Another method includes accessing a sub-surface earth opening used with a sub-surface earth activity, introducing an amount of manufactured metallic nanoparticle material into the sub-surface earth opening, and treating a sub-surface earth condition present at a sub-surface earth location accessible via the sub-surface earth opening. The sub-surface earth condition is treated with the manufactured metallic nanoparticle material. Another method includes accessing a product from a sub-surface earth location that is extracted in conjunction with the sub-surface earth activity, measuring and introducing a dose amount of manufactured metallic nanoparticle material with the product from the sub-surface earth location. | 07-26-2012 |
20130029886 | METHOD OF CONTROLLING THE CORROSION RATE OF ALLOY PARTICLES, ALLOY PARTICLE WITH CONTROLLED CORROSION RATE, AND ARTICLES COMPRISING THE PARTICLE - A composite particle comprises a core, a shielding layer deposited on the core, and further comprising an interlayer region formed at an interface of the shielding layer and the core, the interlayer region having a reactivity less than that of the core, and the shielding layer having a reactivity less than that of the interlayer region, a metallic layer not identical to the shielding layer and deposited on the shielding layer, the metallic layer having a reactivity less than that of the core, and optionally, an adhesion metal layer deposited on the metallic layer. | 01-31-2013 |
20140187452 | Treated Geothermal Brine Compositions With Reduced Concentrations of Silica, Iron and Manganese - This invention relates to treated geothermal brine compositions containing reduced concentrations of iron, silica, and manganese compared to the untreated brines. Exemplary compositions contain a concentration of manganese less than 10 mg/kg, a concentration of silica ranging from less than 10 mg/kg, and a concentration of iron less than 10 mg/kg, and the treated geothermal brine is derived from a Salton Sea geothermal reservoir. | 07-03-2014 |
20150329769 | ULTRA-LIGHT ULTRA-STRONG PROPPANTS - The present invention provides a method of preparing a proppant material by heating a reaction mixture comprising a plurality of oxides in a reactive atmosphere to a temperature above the melting point of the reaction mixture to form a melt, and then allowing the melt to solidify in a mold in the form of spherical particles. The present invention also provides a method of preparing a proppant material by heating a reaction mixture comprising a plurality of oxides and one or more additives in a reactive atmosphere to a temperature below the melting point of the reaction mixture to form a powder including one or more reaction products, and then processing the powder to form spherical particles. The present invention also provides a proppant material including spherical particles characterized by a specific gravity of about 1.0 to 3.0 and a crush strength of at least about 10,000 psi. | 11-19-2015 |
20160115370 | METALLIC NANOPARTICLE BIOCIDE IN INDUSTRIAL APPLICATIONS - A method includes providing a measured dose amount of manufactured metallic nanoparticle material and adding the measured dose amount of the manufactured metallic nanoparticle material to a carrier material for pre-treatment of the carrier material prior to use of the carrier material and the manufactured metallic nanoparticle material in the sub-surface earth activity. Another method includes accessing a sub-surface earth opening that is used in conjunction with the sub-surface earth activity, introducing an amount of manufactured metallic nanoparticle material into the sub-surface earth opening, and treating a sub-surface earth condition present at a sub-surface earth location accessible via the sub-surface earth opening. The sub-surface earth condition is treated with the manufactured metallic nanoparticle material. Another method includes accessing a product from a sub-surface earth location that is extracted in conjunction with the sub-surface earth activity, measuring a dose amount of manufactured metallic nanoparticle material, introducing the measured dose amount of the manufactured metallic nanoparticle material with the product from the sub-surface earth location. | 04-28-2016 |
20190144740 | NOVEL SYNTHETIC CAUSTIC COMPOSITION | 05-16-2019 |
20190144741 | NOVEL SYNTHETIC CAUSTIC COMPOSITION | 05-16-2019 |
507271000 | Inorganic component contains Ti, Zr, V, Cr, Mn, Fe, or Ni | 16 |
20080220996 | SINTERED SPHERICAL PELLETS - Sintered, spherical composite pellets or particles comprising alumina fines, at least one of clay and bauxite and optionally a sintering aid, are described, along with a process for their manufacture. The use of such pellets in hydraulic fracturing of subterranean formations and in grinding is also described. | 09-11-2008 |
20080248978 | Compositions and Methods for Water and Gas Shut-Off in Subterranean Wells With VES Fluids - Viscoelastic surfactant (VES) based fluid systems for zone isolation and flow control are effective in water and/or gas shutoff applications. The fluid systems may include brine, a viscosity enhancer, as well as the VES, and optionally a stabilizer for high temperature applications. The stabilizer may be an alkali earth metal oxide, alkali earth metal hydroxide, alkali metal oxide, alkali metal hydroxide, Al | 10-09-2008 |
20090137433 | Composition And Method For Making A Proppant - The present invention relates to proppants which can be used to prop open subterranean formation fractions. Proppant formulations are further disclosed which use one or more proppants of the present invention. Methods to prop open subterranean formation fractions are further disclosed. In addition, other uses for the proppants of the present invention are further disclosed, as well as methods of making the proppants. | 05-28-2009 |
20090143260 | Methods and compositions relating to the reduction of volatile phosphorus from crude - This invention relates to methods and compositions useful in treating crude sources, and more specifically, to methods and compositions useful in reducing the concentration of phosphorus in crude streams and hydrocarbon flowback fluids. In some embodiments, the present invention provides methods that include a method comprising: providing a crude stream or a hydrocarbon flowback fluid; optionally testing the crude stream or the hydrocarbon flowback fluid for total phosphorus content; optionally testing the crude stream or hydrocarbon flowback fluid for volatile phosphorus content; adding a solution comprising a trivalent metal ion to the crude stream or the hydrocarbon flowback fluid; adding a sufficient amount of a caustic solution to the crude stream or the hydrocarbon flowback fluid to raise the pH of the stream or the fluid to about 8 or more; allowing at least a plurality of precipitates to form; removing at least one precipitate; and forming a clean crude stream or a clean hydrocarbon flowback fluid. | 06-04-2009 |
20090192059 | PRECURSOR COMPOSITIONS FOR CERAMIC PRODUCTS - A precursor composition for the production of granulated ceramic material to be used as hydraulic fracture proppant, comprises 20 to 55% pyroxene, and 15 to 50% olivine. The remaining component is quartz and/or feldspar. The precursor composition can be sintered in a broader temperature range. The resulting proppant material shows high mechanical strength and resistance to acids, and also higher stability under hydrothermal conditions than the prior art. | 07-30-2009 |
20090253596 | FLUID LOSS CONTROL AGENTS FOR VISCOELASTIC SURFACTANT FLUIDS - Alkaline earth metal compounds may be fluid loss control agents for viscoelastic surfactant (VES) fluids used for well completion or stimulation in hydrocarbon recovery operations. The VES fluid may further include proppant or gravel, if it is intended for use as a fracturing fluid or a gravel packing fluid, although such uses do not require that the fluid contain proppant or gravel. The fluid loss control agents may include, but not be limited to, oxides and hydroxides of alkaline earth metal, and in one case magnesium oxide where the particle size of the magnesium oxide is between 1 nanometer to 0.4 millimeter. The fluid loss agent appears to associate with the VES micelles and together form a novel pseudo-filter cake crosslinked-like viscous fluid layer that limits further VES fluid flow into the porous media. The fluid loss control agent solid particles may be added along with VES fluids. | 10-08-2009 |
20090312203 | VISCOSITY ENHANCERS FOR VISCOELASTIC SURFACTANT STIMULATION FLUIDS - Piezoelectric crystal particles (which include pyroelectric crystal particles) enhance the viscosity of aqueous fluids that have increased viscosity due to the presence of viscoelastic surfactants (VESs). In one non-limiting theory, when the fluid containing the viscosity enhancers is heated and/or placed under pressure, the particles develop surface charges that associate, link, connect, or relate the VES micelles thereby increasing the viscosity of the fluid. The higher fluid viscosity is beneficial to crack the formation rock during a fracturing operation, reduce fluid leakoff, and carry high loading proppants to maintain the high conductivity of fractures. | 12-17-2009 |
20090312204 | FINES MIGRATION CONTROL AT THEIR SOURCES IN WATER RESERVOIRS - Water flood materials may contain an effective amount of a nano-sized particulate additive to inhibit or control the movement of fines within a subterranean formation during a water flood secondary recovery operation. The particulate additive may be an alkaline earth metal oxide, alkaline earth metal hydroxide, alkali metal oxide, alkali metal hydroxide, transition metal oxide, transition metal hydroxide, post-transition metal oxide, post-transition metal hydroxide, piezoelectric crystal, and/or pyroelectric crystal. The particle size of the magnesium oxide or other agent may be nanometer scale, which scale may provide unique particle charges that help control and stabilize the fines, e.g. clays. | 12-17-2009 |
20100087341 | METHOD OF MANUFACTURING AND USING ROD-SHAPED PROPPANTS AND ANTI-FLOWBACK ADDITIVES - A sintered rod-shaped proppant and anti-flowback agent possesses high strength and high conductivity. The sintered rods comprise between about 0.2% by weight and about 4% by weight aluminum titanate. In some embodiments, the sintered rods are made by mixing bauxitic and non-bauxitic sources of alumina that may also contain several so-called impurities (such as TiO | 04-08-2010 |
20100087342 | ROD-SHAPED PROPPANT AND ANTI-FLOWBACK ADDITIVE, METHOD OF MANUFACTURE, AND METHOD OF USE - A sintered rod-shaped proppant and anti-flowback agent possesses high strength and high conductivity. The sintered rods comprise between about 0.2% by weight and about 4% by weight aluminum titanate. In some embodiments, the sintered rods are made by mixing bauxitic and non-bauxitic sources of alumina that may also contain several so-called impurities (such as TiO | 04-08-2010 |
20100093566 | Ceramic Coated Particulates - Treatments and compounds useful in subterranean formations are discussed, with particular attention to those utilizing ceramic coated particulates. Certain embodiments pertain to particulates and particulate packs with ceramic coatings of subatomic thickness. Of these, certain methods may utilize ceramic coatings on particulates in a subterranean formation, certain methods may utilize ceramic coatings on particulate packs in a subatomic formation, and certain compounds may provide the features of both ceramic coatings and particulates. | 04-15-2010 |
20110077176 | Composition And Method For Making A Proppant - The present invention relates to proppants which can be used to prop open subterranean formation fractions. Proppant formulations are further disclosed which use one or more proppants of the present invention. Methods to prop open subterranean formation fractions are further disclosed. In addition, other uses for the proppants of the present invention are further disclosed, as well as methods of making the proppants. | 03-31-2011 |
20120322700 | Nano-Sized Particles for Stabilizing Viscoelastic Surfactant Fluids - An aqueous, viscoelastic fluid gelled with a viscoelastic surfactant (VES) is stabilized and improved with an effective amount of an alkaline earth metal oxide alkaline earth metal hydroxide, alkali metal oxides, alkali metal hydroxides transition metal oxides, transition metal hydroxides, post-transition metal oxides, and post-transition metal hydroxides. These fluids are more stable and have a reduced or no tendency to precipitate, particularly at elevated temperatures. The additives may reduce the amount of VES required to maintain a given viscosity. These stabilized, enhanced, aqueous viscoelastic fluids may be used as treatment fluids for subterranean hydrocarbon formations, such as in hydraulic fracturing. The particle size of the magnesium oxide or other agent may be nanometer scale, which scale may provide unique particle charges that use chemisorption, crosslinking and/or other chemistries to associate and stabilize the VES fluids. | 12-20-2012 |
20160160120 | CERAMIC PARTICLES AND PROCESS FOR MAKING THE SAME - A proppant for use in fracturing geological formations is made from bauxitic ores and a calcium containing compound. The proppant has a calcium containing crystalline phase. | 06-09-2016 |
20160186048 | PROPPANTS AND ANTI-FLOWBACK ADDITIVES INCLUDING KAOLIN CLAY - A method of making a sintered ceramic proppant may include providing a kaolin clay. The kaolin clay may include an Al | 06-30-2016 |
20160376199 | Proppants and Methods of Making the Same - Synthetic ceramic proppants are described. Methods to make these proppants and methods of using these proppants are also described. | 12-29-2016 |
507272000 | Inorganic component contains copper or zinc | 3 |
20080234148 | Method of Increasing pH of High-Density Brines - It has been discovered that carbonate powders and bicarbonate powders are useful to increase the pH and corrosion resistance of high-density brines, such as zinc bromide brines, without significantly reducing their densities. The carbonates and/or bicarbonates should be water-soluble and may be sodium, potassium, magnesium and/or ammonium carbonates and/or bicarbonates and the like. The carbonates and/or bicarbonates are easily added in powder or other finely divided solid form and are completely dissolved in the brine prior to pumping the brine into a subterranean formation. | 09-25-2008 |
20110177986 | Method of Increasing pH of High-Density Brines - It has been discovered that carbonate powders and bicarbonate powders are useful to increase the pH and corrosion resistance of high-density brines, such as zinc bromide brines, without significantly reducing their densities. The carbonates and/or bicarbonates should be water-soluble and may be sodium, potassium, magnesium and/or ammonium carbonates and/or bicarbonates and the like. The carbonates and/or bicarbonates are easily added in powder or other finely divided solid form and are completely dissolved in the brine prior to pumping the brine into a subterranean formation. | 07-21-2011 |
20160024377 | SYSTEMS AND METHODS FOR REMOVING CONTAMINANTS FROM HIGH DENSITY COMPLETION FLUID - A system and method of decreasing contaminant concentration in an oilfield brine fluid, such as a high density completions fluid, that includes mixing the oilfield brine fluid with chlorine dioxide (ClO | 01-28-2016 |
507273000 | Inorganic component contains boron | 3 |
20080287325 | NOVEL BOROZIRCONATE SYSTEMS IN COMPLETION SYSTEMS - A cross-linking system for hydratable polymers for using is formation fracturing applications is disclosed along with methods for using same, where the cross-linking system includes a reaction product of a transition metal alkoxide or alkanolate and a borate or borate generating reagent. | 11-20-2008 |
20120149610 | MULTIPLE COMPONENT NEUTRALLY BUOYANT PROPPANT - Proppant used to keep open a fissure in a reservoir created by hydraulic or other action is disclosed. The proppant demonstrates a reduced specific gravity controlled by the geometry of the structure of the proppant. Proppant must be capable of withstanding the hydrostatic environment of the hydraulic pumping system, pass through a perforation in the casing of the well, travel into the fissure, and, upon reduction of hydrostatic pressure, withstand the closure pressure of the formation. A proppant having neutral buoyancy or substantial neutral buoyancy yet capable of withstanding the hydraulic and closure pressures is described that has a tubular structure hollow in the center with a wall of material sufficiently strong to withstand the majority of closure pressures. | 06-14-2012 |
20160009984 | NOVEL VISCOUS FLUIDS SYSTEMS FROM PRODUCED AND FLOW BACK WATERS | 01-14-2016 |
507274000 | Inorganic component contains phosphorous | 4 |
20090298724 | Method for Applying Remedial Cement to a Wellbore - A cement composition and method of applying remedial cement to a downhole perforation is described. The method involves the sequential delivery of a phosphate acid activator and a silicate suspension to the perforation to allow in situ reaction of the activator with the binder within the perforation, thereby forming a phosphosilicate plug. | 12-03-2009 |
20100305010 | HIGH DENSITY PHOSPHATE BRINES AND METHODS FOR MAKING AND USING SAME - New heavy phosphate brines are disclosed, where the water soluble phosphate brines include two or more metal phosphate. Methods for making and using the heavy phosphate brines in drilling, completion, and fracturing operations are also disclosed. | 12-02-2010 |
20110118155 | LIGHT-WEIGHT PROPPANT FROM HEAT-TREATED PUMICE - A process for forming a strong, low-density proppant, which process includes heating pumice particulates, or shaped agglomerates thereof, so as to form heat-treated pumice particulates, or heat-treated, shaped pumice agglomerates, having an apparent density of 2.4 or less and a crush resistance of no more than 10% fines at 4000 psi. Proppants, and well treatment fluids comprising proppants, meeting these characteristics and processes for treating subterranean formations using fluids which include such proppants are also described. | 05-19-2011 |
20160017208 | MICROBIAL CONCRETION AS A METHOD FOR CONTROLLING WORMHOLE EVENTS DURING OIL RECOVERY FROM UNCONSOLIDATED MATRICES - The present disclosure relates to methods of controlling wormhole formation in a borewell environment of reservoir systems, such as oil reservoirs, by inducing authigenic mineral-precipitating bacteria to precipitate authigenic rock minerals that consolidate unconsolidated rock matrices. | 01-21-2016 |
507276000 | Inorganic component contains potassium | 2 |
20090118145 | METHOD FOR PRODUCING PROPPANT USING A DOPANT - A method for producing sintered pellets and sintered pellets produced therefrom including mixing a dopant with water and kaolin clay to form substantially round and spherical green pellets and sintering the pellets to form a proppant. The dopant is selected from the group consisting of potassium carbonate, potassium sulfate, potassium chloride, mica, kalsilite, and combinations thereof. | 05-07-2009 |
20140142005 | POTASH PROCESSING WITH A VAPOR-COMPRESSION CYCLE - A potash-extraction system and method for extracting potash from a brine containing potash without the use of water-consuming evaporation ponds or additional chemicals is disclosed. The potash processing system uses a vapor-compression cycle (e.g., heat pump or refrigeration system) to separate potash from brine containing potash and NaCl. In embodiments, heat emitted by components of the vapor-compression cycle (e.g., condenser heat exchanger, evaporator heat exchanger) may heat the brine to precipitate some NaCl from the brine. The remaining potash-concentrated brine may then be cooled to precipitate potash from the solution. The precipitated potash may then be further processed for final use. | 05-22-2014 |
507277000 | Inorganic component is soluble in the well treating medium | 2 |
20090203558 | METHOD AND COMPOSITION FOR ENHANCED HYDROCARBONS RECOVERY - A method of treating a hydrocarbon containing formation is described. The method includes (a) providing a hydrocarbon recovery composition to at least a portion of the hydrocarbon containing formation, wherein (i) when the salinity of the brine is from about 2 wt % to about 4 wt %, the composition comprises a blend of a C | 08-13-2009 |
20160251566 | SYSTEMS AND METHODS OF TREATING WATER USED FOR HYDRAULIC FRACTURING | 09-01-2016 |