| Patent application number | Description | Published |
|---|
| 20080210428 | Method of removing filter cake - A filter cake deposited by a drilling fluid, drill-in fluid or fluid loss control pill may be removed from a wellbore by introducing into the wellbore a dispersing agent of an organic amino phosphonic acid, ester or salt. The dispersing agent forms a dispersion containing at least a portion of the drilled solids. The dispersing agent may be introduced into the wellbore as a component of a filter cake removal treatment fluid or either prior to or after introduction of the filter cake removal treatment fluid. | 09-04-2008 |
| 20090029880 | Composition containing lonic liquid clay stabilizers and/or shale inhibitors and method of using the same - An ionic liquid may be used to inhibit the swelling and/or disintegration of clay in a subterranean formation. A subterranean clay-containing formation may be treated with the ionic liquid by contacting the formation with a well treatment composition containing the ionic liquid dispersed or dissolved in a carrier fluid. Damage to the formation caused by contact with the well treating composition is reduced or substantially eliminated. | 01-29-2009 |
| 20090114394 | Method of Using Water-in-Oil Emulsion to Remove Oil Base or Synthetic Oil Base Filter Cake - Fluid producing or injecting wells may be treated with a water-in-oil emulsion for the removal or inhibition of unwanted particulates, including pipe dope, asphaltenes and paraffins. In addition, such emulsions are effective in the displacement of oil base drilling muds and/or residues from such muds from wells. The emulsion may also be used to break the interfacial and/or rheological properties of oil base mud and synthetic oil base mud filter cakes, and act as a demulsifier to break the water-in-oil emulsion present in such oil base and synthetic oil base muds. The water-in-oil emulsions may optionally contain a dispersing agent as well as a surfactant. | 05-07-2009 |
| 20100018707 | METHOD OF FRACTURING USING ULTRA LIGHTWEIGHT PROPPANT SUSPENSIONS AND GASEOUS STREAMS - In a method of hydraulically fracturing a hydrocarbon-bearing subterranean formation, a proppant stage is introduced into the fracture which contains a gaseous fluid and an ultra lightweight proppant suspended in a viscosified aqueous fluid. The gaseous fluid of the proppant stage contains at least about 90 volume percent of the combination of gaseous fluid and aqueous fluid. A pad fluid may first be introduced into the formation, the pad fluid containing a gaseous fluid and, optionally, an aqueous fluid. The gaseous fluid of the pad fluid mixture typically contains at least 70 volume percent of the mixture. | 01-28-2010 |
| 20100144560 | METHODS AND COMPOSITIONS FOR REDUCING FLUID LOSS DURING TREATMENT WITH VISCOELASTIC SURFACTANT GELS - Methods and compositions of treating formations using viscoelastic treatment fluids are provided that reduce the amount of fluid loss to the formations due to the lack of polymer backbone in the viscoelastic treatment fluids. The methods and compositions of treating formations include a fluid loss additive that includes a copolymer that includes a hydrophilic monomeric unit and a first anchoring monomeric unit. | 06-10-2010 |
| 20110168396 | METHOD OF FRACTURING USING ULTRA LIGHTWEIGHT PROPPANT SUSPENSIONS AND GASEOUS STREAMS - In a method of hydraulically fracturing a hydrocarbon-bearing subterranean formation, a proppant stage is introduced into the fracture which contains a gaseous fluid and an ultra lightweight proppant suspended in a viscosified aqueous fluid. The gaseous fluid of the proppant stage contains at least about 90 volume percent of the combination of gaseous fluid and aqueous fluid. A pad fluid may first be introduced into the formation, the pad fluid containing a gaseous fluid and, optionally, an aqueous fluid. The gaseous fluid of the pad fluid mixture typically contains at least 70 volume percent of the mixture. | 07-14-2011 |
| 20130032346 | METHOD OF FRACTURING USING ULTRA LIGHTWEIGHT PROPPANT SUSPENSIONS AND GASEOUS STREAMS - In a method of hydraulically fracturing a hydrocarbon-bearing subterranean formation, a proppant stage is introduced into the fracture which contains a gaseous fluid and an ultra lightweight proppant suspended in a viscosified aqueous fluid. The gaseous fluid of the proppant stage contains at least about 90 volume percent of the combination of gaseous fluid and aqueous fluid. A pad fluid may first be introduced into the formation, the pad fluid containing a gaseous fluid and, optionally, an aqueous fluid. The gaseous fluid of the pad fluid mixture typically contains at least 70 volume percent of the mixture. | 02-07-2013 |
| 20150041139 | Well Treatment Fluids and Methods - A well treatment fluid includes an aqueous-based fluid, a crosslinked CMHEC polymer, and a crosslinker. The CMHEC polymer exhibits a DS of 0.2 to 0.6 and a MS of 2.0 to 2.5. The well treatment fluid exhibits a viscosity of at least about 100 cP. A well treatment method includes crosslinking a CMHEC polymer in an aqueous-based fluid at a pH of at least about 6. The crosslinking increases a viscosity of the well treatment fluid to at least about 100 cP. A well is treated with the well treatment fluid at a temperature of at least about 200° F. Another well treatment method includes forming a well treatment fluid from produced water that has a TDS content of at least about 150,000 ppm. The crosslinking increases a viscosity of the well treatment fluid to at least about 100 cP. | 02-12-2015 |
| 20150083414 | ORGANOPHOSPHORUS CONTAINING COMPOSITES FOR USE IN WELL TREATMENT OPERATIONS - A composite having a solid particulate and a surface modifying treatment agent on the solid particulate wherein the surface modifying treatment agent has a hydrophobic tail and an anchor for adhering the hydrophobic tail onto the solid particulate. The anchor is an organophosphorus acid derivative. The composite may be used as a proppant in a hydraulic fracturing operation as well as a sand control particulate in a gravel packing operation. The presence of the surface modifying treatment agent on the surface of the solid particulate reduces the generation of fines and dust as well as the migration of sand during a hydraulic fracturing operation or a sand control operation. The presence of the surface modifying treatment agent on the surface of the solid particulate further enhances the crush resistance of the solid particulate. | 03-26-2015 |
| 20150083415 | COMPOSITES FOR USE IN STIMULATION AND SAND CONTROL OPERATIONS - A composite having a solid particulate and a surface modifying treatment agent on the solid particulate wherein the surface modifying treatment agent has a hydrophobic tail and an anchor for adhering the hydrophobic tail onto the solid particulate. The anchor may be metal and the hydrophobic tail may be an organo-silicon material, a fluorinated hydrocarbon or both an organo-silicon material and a fluorinated hydrocarbon. The composite may be used as a proppant in a hydraulic fracturing operation as well as a sand control particulate in a gravel packing operation. The presence of the surface modifying treatment agent on the surface of the solid particulate reduces the generation of fines and dust as well as the migration of sand during a hydraulic fracturing operation or a sand control operation. The presence of the surface modifying treatment agent on the surface of the solid particulate further enhances the crush resistance of the solid particulate. | 03-26-2015 |
| Patent application number | Description | Published |
|---|
| 20090023885 | TREATMENT METHOD FOR IMPARTING HIGH IMPACT RESISTANCE IN CERTAIN CBDO COPOLYMERS - According to the invention, an amorphous CBDO copolymer (as described in U.S. Pat. No. 5,705,575, issued Jan. 6, 1998, which U.S. patent is incorporated herein by reference in its entirety) is treated to impart high impact resistance, also called impact strength. | 01-22-2009 |
| 20090023891 | TREATMENT METHOD FOR IMPARTING SELF-HEALING AND SHAPE MEMORY PROPERTIES TO CERTAIN CBDO COPOLYMERS - According to the invention, an amorphous CBDO polymer (as described in U.S. Pat. No. 5,705,575, issued Jan. 6, 1998, which U.S. patent is incorporated herein by reference in its entirety) is imparted self healing and shape memory properties by heat treatment. | 01-22-2009 |
| 20090297568 | Intercalated layered silicate - An intercalated layered silicate comprises a layered silicate and an intercalating agent sorbed between the silicate layers of the layered silicate. The amount of intercalating agent is effective to provide an average interlayer spacing between the silicate layers of at least about 20 Å. The intercalating agent comprises one or more of fatty acid esters of sorbitan, ethoxylated fatty esters of sorbitan, fatty acid esters of glycerol, fatty acid esters of polyglycerol, fatty acid amide waxes, variants of amide waxes, and variants of amides. The intercalated layered silicate may be exfoliated by mixing it with a matrix medium and adding sufficient energy to form a dispersed-particle composition. A packaging film, such as a food packaging film, may comprise the dispersed-particle composition. | 12-03-2009 |
| 20090297675 | Film comprising silicate platelets of exfoliated from phospolipid-intercalated layered silicate - A packaging film comprises a dispersed-particle composition, which comprises a plurality of particles dispersed in a matrix medium of thermoplastic polymer. The particles comprise silicate platelets. Intercalating agent of one or more phospholipids is sorbed to the silicate platelets. | 12-03-2009 |
| 20100040653 | Intercalated layered silicate - An intercalated layered silicate comprises a layered silicate and an intercalating agent sorbed between the silicate layers of the layered silicate. The amount of intercalating agent is effective to provide an average interlayer spacing between the silicate layers of at least about 20 Å. The intercalating agent has a formula selected from formulas I through VII described herein. The intercalated layered silicate may be exfoliated by mixing it with a matrix medium and adding sufficient energy to form a dispersed-particle composition. A packaging film, such as a food packaging film, may comprise the dispersed-particle composition | 02-18-2010 |
| 20110201739 | METHOD AND SYSTEM FOR PRODUCING GRAPHENE AND GRAPHENOL - This disclosure includes a process that unexpectedly can produce very inexpensive graphene and a new compound called graphenol in particulate or dispersions in solvents. The process can also produce graphene layers on metallic and nonmetallic substrates. Further, the graphenol and graphene can be utilized to form nanocomposites that yield property improvements exceeding anything reported previously. | 08-18-2011 |
| 20130112925 | METHOD AND SYSTEM FOR PRODUCING GRAPHENE AND GRAPHENOL - This disclosure includes a process that unexpectedly can produce very inexpensive graphene and a new compound called graphenol in particulate or dispersions in solvents. The process can also produce graphene layers on metallic and nonmetallic substrates. Further, the graphenol and graphene can be utilized to form nanocomposites that yield property improvements exceeding anything reported previously. | 05-09-2013 |
| 20130140495 | METHOD AND SYSTEM FOR PRODUCING GRAPHENE AND FUNCTIONALIZED GRAPHENE - This disclosure includes a process that unexpectedly can produce very inexpensive graphene, functionalized graphenes, and a new compound called graphenol in particulate or dispersions in solvents. The process can also produce graphene layers on metallic and nonmetallic substrates. Further, the graphenol, functionalized graphenes, and graphene can be utilized to form nanocomposites that yield property improvements exceeding anything reported previously. | 06-06-2013 |
| 20150030769 | METHOD AND SYSTEM FOR PRODUCING GRAPHENE AND FUNCTIONALIZED GRAPHENE - This disclosure includes a process that unexpectedly can produce very inexpensive graphene, functionalized graphenes, and a new compound called graphenol in particulate or dispersions in solvents. The process can also produce graphene layers on metallic and nonmetallic substrates. Further, the graphenol, functionalized graphenes, and graphene can be utilized to form nanocomposites that yield property improvements exceeding anything reported previously. | 01-29-2015 |
