Class / Patent application number | Description | Number of patent applications / Date published |
507205000 | Organic component contains fluorine bonded directly to carbon | 25 |
20090062155 | USE OF FLUOROCARBON SURFACTANTS TO IMPROVE THE PRODUCTIVITY OF GAS AND GAS CONDENSATE WELLS - The present invention includes composition having a nonionic, fluorinated polymeric surfactant, water and solvent. Embodiments of compositions according to the present invention are useful, for example, for recovering hydrocarbons from subterranean elastic formations. | 03-05-2009 |
20090156432 | Corrosion inhibitor intensifier compositions and associated methods - Of the many methods and compositions provided herein, one method includes a method comprising contacting a metal surface with an acidic fluid comprising an aqueous base-fluid, an acid, a corrosion inhibitor, and a corrosion inhibitor intensifier composition comprising a compound that corresponds to a formula R | 06-18-2009 |
20090163388 | Variable Density Treatment Fluids - The present invention provides variable density fluid compositions and methods for using such compositions in a subterranean formation. One exemplary embodiment of the variable density fluid compositions of the present invention comprises a variable density fluid comprising: a base fluid, and a portion of variable pressure weighting material particles. | 06-25-2009 |
20090192054 | Method for Single-Stage Treatment of Siliceous Subterranean Formations - In a method of treating a sandstone-containing formation penetrated by a wellbore, a treatment fluid comprising an aqueous fluid containing a Bronsted acid, a hydrogen fluoride source and an organic acid or salt thereof that is substantially soluble in the aqueous fluid is formed. The treatment fluid contains less than about 2% of fluoride (F | 07-30-2009 |
20090281002 | PREVENTION AND REMEDIATION OF WATER AND CONDENSATE BLOCKS IN WELLS - A method of removing and preventing water and condensate blocks in wells by contacting a subterranean formation with a composition comprising a low molecular weight fluorinated copolymer having perfluoro alkyl moieties which are no longer than C | 11-12-2009 |
20100016181 | The Use of Biphenyl, Terphenyl, and Fluorene Sulphonic Acid Based Tracers for Monitoring Streams of Fluid - Biphenylmono- and polysulphonic acids and salts thereof, fluorenemono- and polysulphonic acids and salts thereof as well as p-terphenylmono- and polysulphonic acids and salts thereof may be used successfully as tracers for surveying, monitoring and/or measuring movements of aqueous fluids in aqueous and/or non-aqueous media. Said substances are especially suited for surveying or monitoring movements of fluids in oil wells or reservoirs as well as for fluid movements in hydrothermal reservoirs. | 01-21-2010 |
20100137169 | Method for Treating a Fractured Formation - The present invention includes compositions and methods of treating a hydrocarbon-bearing formation, the formation having at least one fracture, by contacting the fracture with a composition that includes a solvent and a nonionic fluorinated polymeric surfactant, wherein the composition interacts with at least a portion of the proppants in the fracture. | 06-03-2010 |
20100167964 | Compositions and Methods for Treating a Water Blocked Well - The present invention includes a method of treating a hydrocarbon-bearing clastic formation having non-connate water by contacting the hydrocarbon-bearing clastic formation with a composition that includes a solvent and a nonionic fluorinated polymeric surfactant wherein the solvent at least partially displaces or solubilizes the water in the formation. | 07-01-2010 |
20110053810 | Fluorosurfactants and Treatment Fluids for Reduction of Water Blocks, Oil Blocks, and/or Gas Condensates and Associated Methods - The present invention relates to fluids useful for subterranean operations, and more particularly, to fluorosurfactants useful for the reduction of water blocks, gas blocks, and/or gas condensates and their associated treatment fluids and methods. Provided is a method of treating a subterranean formation. The method may comprise contacting the subterranean formation with a fluorosurfactant. The fluorosurfactant may comprise an amine group, wherein the amine group comprises at least one substituent selected from the group consisting of a fluoroalkyl group, a fluoroalkenyl group, and combinations thereof, wherein the at least one substituent comprises about 3 carbons to about 22 carbons. Also provided are polymeric surfactants and treatment fluids that comprise fluorosurfactants. | 03-03-2011 |
20110124532 | FLUORINATED ETHER SILANES AND METHODS OF USING THE SAME - Fluorinated compounds represented by formula Rf-Q-X—[Si(R) | 05-26-2011 |
20110136704 | Methods of Treating a Hydrocarbon-Bearing Formation, a Well Bore, and Particles - Methods of treating articles using a compound represented by formula: (I) wherein each of X and Y is independently a thiol, a halogen, a hydrogen, a hydroxyl, a hydroalkyl, a carboxylic acid, an aldehyde, a carboxylic ester, or a carboxamide; R′ is hydrogen, alkyl, or aryl; and x and y are each independently 0 to 10, wherein x+y is at least 1 and articles treated by such methods. In some embodiments, the article is a hydrocarbon-bearing formation. In some embodiments, the article is a particle, and the method further comprises treating the article with a fluorochemical comprising at least one fluoroaliphatic segment and at least one hydrophilic segment. In some embodiments, the method is used to treat a well bore. | 06-09-2011 |
20110177983 | CATIONIC FLUORINATED POLYMER COMPOSITIONS AND METHODS FOR TREATING HYDROCARBON-BEARING FORMATIONS USING THE SAME - Fluorinated polymers having first divalent units independently represented by formula (I) or formula (II) and second divalent units containing quaternary ammonium groups. Compositions containing the fluorinated polymer and solvent, methods of treating hydrocarbon-bearing formations using these compositions, and articles treated with the fluorinated polymers are disclosed. A method of making a composition containing the fluorinated polymer is also disclosed. | 07-21-2011 |
20110201531 | Method for Treating Hydrocarbon-Bearing Formations with Fluorinated Epoxides - A method of treating a hydrocarbon-bearing formation with a fluorinated epoxide and a treated hydrocarbon-bearing formation. A method of making proppants is also disclosed, which includes combining a plurality of particles with a fluorinated epoxide. The particles comprise at least one of sand, resin-coated sand, ceramic, thermoplastic, clay, bauxite, nut or seed shells, fruit pits, or wood. A particle treated with a ring-opened product of a fluorinated epoxide is also disclosed, wherein the particle comprises one of sand, resin-coated sand, ceramic, thermoplastic, clay, bauxite, nut or seed shells, fruit pits, or wood. | 08-18-2011 |
20120071372 | PREVENTION AND REMEDIATION OF WATER AND CONDENSATE BLOCKS IN WELLS - The present invention relates to a method of removing and preventing water and condensate blocks in wells by contacting a subterranean formation with a composition comprising a low molecular weight fluorinated copolymer having perfluoro alkyl moieties which are no longer than C | 03-22-2012 |
20120088699 | FILM COATED PARTICLES FOR OIL EXPLOITATION AND OIL EXPLOITATION METHOD USING THE SAME - The present invention discloses coated particles for oil recovery, a fracturing propping agent that comprises the coated particles, and an oil recovery method that utilizes the fracturing propping agent. The coated particles comprise particles of aggregates and an oil-permeable and water-proof film coated on the particles of aggregates. The coated quartz sand and fracturing propping agent are oil-permeable and water-proof under normal atmospheric pressure, and have oil permeation resistance much lower than water permeation resistance in pressurized state. Therefore, when the coated quartz sand and fracturing propping agent are applied in the oil recovery industry, they can effectively reduce the volume of produced water and increase the oil yield. | 04-12-2012 |
20120088700 | Inhibiting Carbon Dioxide Induced Deposition - An asphaltene and resin precipitation inhibiting solution formed of an asphaltene and resin precipitation inhibiting compound and a solvent miscible in a carbon dioxide liquid or supercritical fluid. The inhibiting compound includes a head region with an affinity for asphaltene and resin components of a hydrocarbon mixture that is greater than its affinity for water, carbon dioxide, and aliphatic components of the hydrocarbon mixture. The head region includes one or more unsaturated hydrocarbon groups or one or more nonionic dipolar groups. The inhibiting compound also includes a tail region with an affinity for carbon dioxide that is greater than its affinity for substantially all components of the hydrocarbon mixture and water. The tail region includes one or more nonionic quadrupolar groups. An effective amount of solution is added to a hydrocarbon mixture in an underground reservoir when employing a carbon dioxide fluid to flush the hydrocarbon mixture from the reservoir. | 04-12-2012 |
20120172262 | Fluorosurfactants and Treatment Fluids for Reduction of Water Blocks, Oil Blocks, and/or Gas Condensates and Associated Methods - The present invention relates to fluids useful for subterranean operations, and more particularly, to fluorosurfactants useful for the reduction of water blocks, gas blocks, and/or gas condensates and their associated treatment fluids and methods. Provided is a method of treating a subterranean formation. The Method may comprise contacting the subterranean formation with a fluorosurfactant. The fluorosurfactant may comprise an amine group, wherein the amine group comprises at least one substituent selected from the group consisting of a fluoroalkyl group, a fluoroalkenyl group, and combinations thereof, wherein the at least one substituent comprises about 3 carbons to about 22 carbons. Also provided are polymeric surfactants and treatment fluids that comprise fluorosurfactants. | 07-05-2012 |
20120172263 | Additives to Suppress Silica Scale Build-Up - Composition comprising a plurality of particulates wherein at least some particulates are at least partially covered with a coating that impedes the intrusion of water into the particulates; and, a silica scale control additive, wherein the silica scale control additive is capable of suppressing silica scale build-up proximate the plurality of particulates. Some compositions further include a treatment fluid wherein and the silica scale control additive are present in the treatment fluid. | 07-05-2012 |
20120322697 | COMPOSITIONS AND METHODS FOR ENHANCING FLUID RECOVERY FOR HYDRAULIC FRACTURING TREATMENTS - A method of altering the wettability of a subterranean formation comprising the steps of providing a fluid with a FEA; introducing the fluid into a subterranean formation whereby the wettability of the formation is altered, wherein the FEA is selected from a group consisting of organosiloxane, organosilane, fluoro-organosiloxane, fluoro-organosilane, and fluorocarbon compounds. | 12-20-2012 |
20130225458 | HYDROPHOBIC PROPPANT AND PREPARATION METHOD THEREOF - The invention discloses a hydrophobic proppant and a preparation method thereof. The aggregate particles of the hydrophobic proppant are coated with a coating resin which comprises a hydrophobic resin and nano-particles which are uniformly distributed in the coating resin and constitute 5-60% of the coating resin by weight. The contact angle labeled as θ between water and the hydrophobic proppant in which nano-particles are added is in the range of 120°≦θ≦180°. The proppant of the present invention is prepared by adding the nano-particles in the existing resin in which low-surface-energy substances with hydrophobic groups are added, and a rough surface with a micro-nano structure is constructed on the outer surface of the prepared resin film, so that the contact angle θ at the solid-liquid contact surface on the outer surface of the coating resin of the proppant is more than 120°. | 08-29-2013 |
20140057813 | HYDRAULIC FRACTURING WITH IMPROVED VISCOSITY LIQUEFIED INDUSTRIAL GAS BASED SOLUTION - The present invention is a cryogenic subterranean fracturing fluid, comprising a liquefied industrial gas and a viscosity increasing additive. The liquefied industrial gas may be liquefied carbon dioxide, liquefied nitrogen, or a blend of the two. The liquefied industrial gas mixture should be substantially free of water. In this context, substantially free of water means less than 10% water by volume, or preferably less than 5% water by volume. In addition to the viscosity increasing additive, a proppant may be added to the fracturing fluid. In addition to the viscosity increasing additive and/or proppant additional additives may be added to the liquefied industrial gas as required. | 02-27-2014 |
20140206582 | Completion Fluid for Reducing Friction Between Metal Surfaces - A liquid mixture reduces the friction between two surfaces, at least one of which is moving with respect to the other such as tubing moving within the casing of an oil or gas well. The mixture includes an oil, a suspending agent, polymer particles and a surfactant. | 07-24-2014 |
20140213490 | Wellbore Servicing Compositions and Methods of Making and Using Same - A method of servicing a wellbore in a subterranean formation comprising placing a wellbore servicing fluid comprising a coupling agent, a hardenable resin and a hardening agent into the wellbore wherein the coupling agent comprises a multihydroxy phenyl, a dihydroxy phenyl, a trihydroxy phenyl, ascorbic acid, a hydroxymethylnaphthol, an oxidation product thereof, a derivative thereof, or combinations thereof. A wellbore servicing fluid comprising a coupling agent, a hardenable resin, a hardening agent and a proppant wherein the coupling agent comprises a multihydroxy phenyl, a dihydroxy phenyl, a trihydroxy phenyl, ascorbic acid, a hydroxymethylphenol, a hydroxymethylnaphthol, an oxidation product thereof, a derivative thereof, or combinations thereof. | 07-31-2014 |
20160003040 | Tracers - A family of organic tracers is proposed for inter-well measurement of residual oil in petroleum reservoirs, as is their use as partitioning tracers in a petroleum reservoir. The tracers consist of at least one benzyl alcohol of formula i) wherein each of R | 01-07-2016 |
20160115367 | Ultrahigh Molecular Weight Polyethylene Reinforced Rubber Compositions For Subterranean Applications - An elastomeric compound having an elastomer matrix and a ultra high molecular weight filler material dispersed throughout the elastomer matrix. Mechanical and thermal manipulation of the elastomeric compound causes the ultra high molecular weight filler material to deform to have a higher aspect ratio, thereby increasing the mechanical strength of the elastomeric compound. | 04-28-2016 |