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| Number | Title | Issue Date |
| 8030252 | Polymer-based, surfactant-free, emulsions and methods of use thereof In one embodiment, the present invention provides a drilling fluid composition that comprises a surfactant-free emulsion comprising an oleaginous fluid, a fluid that is at least partially immiscible with the oleaginous fluid, and a non-surfactant polymeric emulsifie... | 10/04/2011 |
| 8022015 | Method of fracturing with phenothiazine stabilizer Compositions and methods of treating high temperature subterranean formations of up to about 500° F. (260° C.) are provided. The compositions and methods utilize a high molecular weight synthetic copolymer and a pH buffer than maintains a pH in a range of about 4.... | 09/20/2011 |
| 7923418 | Emulsion breaker This invention provides acrylate polymers having at least two different ester groups. The ester groups are selected from the following: a) an aralkyl group; b) a linear alkylether group; c) a polyethoxylated alkylaryl group; an... | 04/12/2011 |
| 7846878 | Friction reducer performance in water containing multivalent ions A variety of methods and compositions are disclosed, including, in one embodiment, a method that comprises: introducing a treatment fluid into a subterranean formation, wherein the treatment fluid comprises water and a concentrated polymer composition comprising a c... | 12/07/2010 |
| 7776797 | Lost circulation compositions A lost circulation composition for use in a wellbore comprising a crosslinkable polymer system and a filler. ... | 08/17/2010 |
| 7727939 | Composition of base fluid and polymeric dispersing agent-absorbed polymer-coated colloidal particles A method of controlling the pressure of a casing annulus in a subterranean well that includes injecting into the casing annulus a composition including a base fluid and a polymer coated colloidal solid material. The polymer coated colloidal solid material includes: ... | 06/01/2010 |
| 7696133 | Geosynthetic composite for borehole strengthening Disclosed is a composition comprising a chemical formulation useful for creating geosynthetic composites in-situ, which includes a reactive ester having at least one carbon-carbon double bond, preferably a vinyl ester of a C9 to C11 versatic ac... | 04/13/2010 |
| 7589049 | Additive for increasing the density of a fluid for casing annulus pressure A method of controlling the pressure of a casing annulus in a subterranean well that includes injecting into the casing annulus a composition including a base fluid and a polymer coated colloidal solid material. The polymer coated colloidal solid material includes: ... | 09/15/2009 |
| 7491682 | Method of inhibiting or controlling formation of inorganic scales A well treating composition of a composite containing a scale inhibitor adsorbed onto a water-insoluble adsorbent is useful in the control, formation and treatment of inorganic scales in a subterranean formation or wellbore. In addition, the well treating compositio... | 02/17/2009 |
| 7441599 | Controlling the pressure within an annular volume of a wellbore A process is described for replacing at least a portion of the liquid within the annular volume of a casing system within a wellbore with a second liquid. The second liquid is preselected to provide a measure of control of the pressure within the annular volume as t... | 10/28/2008 |
| 7398825 | Methods of controlling sand and water production in subterranean zones Methods for stabilizing portions of a subterranean formation and controlling the production of water from those subterranean formations. In one embodiment, the methods of the present invention comprise: providing a consolidating agent; introducing the consolidating ... | 07/15/2008 |
| 7398824 | Method for inhibiting or controlling inorganic scale formations with copolymers of acrylamide and quaternary ammonium salts A formulation containing a copolymer derived from a cationic monomer effectively inhibits and controls the formation of inorganic scales. Suitable copolymers include those comprising an acrylamide unit and a quaternary ammonium salt group, and optionally an acrylate... | 07/15/2008 |
| 7363978 | Methods of using reactive surfactants in subterranean operations Novel uses of reactive surfactants in treating subterranean formations and/or proppant particulates are provided. In one embodiment, the present invention provides a method comprising: providing a treatment fluid that comprises a base fluid and a reactive surfactant... | 04/29/2008 |
| 7351681 | Well bore servicing fluids comprising thermally activated viscosification compounds and methods of using the same Well bore servicing fluids are provided that include a thermally activated viscosification compound. Further, methods of servicing a well bore are provided that include displacing such a servicing fluid into the well bore, wherein a viscosity of the servicing fluid ... | 04/01/2008 |
| 7350579 | Sand aggregating reagents, modified sands, and methods for making and using same A method for treating solid materials is disclosed, where the treating compositions coats surfaces or portions of surfaces of the solid materials changing an aggregation or agglomeration propensity of the materials. Treated solid materials are also disclosed. The me... | 04/01/2008 |
| 7350571 | Methods of preparing and using coated particulates The present invention involves methods of preparing coated particulates and using such coated particulates in subterranean applications such as production enhancement and sand control. One embodiment of the present invention provides a method of preparing coated par... | 04/01/2008 |
| 7341979 | Well treatment method The invention provides a method for the treatment of a hydrocarbon well which method comprises administering, down the well, inverse suspension polymerized polymer particles having immobilized therein a well treatment chemical or a precursor or generator thereof. | 03/11/2008 |
| 7334635 | Methods for fracturing subterranean wells A method of forming a propped fracture comprising: providing a fracture having a far-well bore area and a near-well bore area; placing first proppant particulates at least partially coated with an adhesive substance; placing a portion of second proppant particulates... | 02/26/2008 |
| 7334636 | Methods of creating high-porosity propped fractures using reticulated foam One embodiment of the prevent invention provides a method of creating a high porosity propped fracture comprising creating a slurry comprising a treatment fluid, proppant particulates, pieces of reticulated foam having cells, and an adhesive substance such that the ... | 02/26/2008 |
| 7331390 | Compositions and methods for plugging and sealing a subterranean formation The invention provides for a composition for treating a subterranean formation, the composition comprising: a) a crosslinkable water-soluble polymer comprising at least one acylated amine unit; and b) a crosslinkable water-soluble polymer comprising a functional gro... | 02/19/2008 |
| 7332459 | Method for scale inhibition in oil wells A method of inhibiting scale formation in a subterranean formation comprising: (a) injecting a suspension comprising particles of a controlled release scale inhibitor suspended in an aqueous medium into a formation through an injection well wherein the particles hav... | 02/19/2008 |
| 7325613 | Crosslinkable polymer compositions comprising phenols and associated methods Crosslinkable-polymer compositions that comprise a chitosan-based compound and a phenol source, and associated methods, are provided. Various methods of use are also provided. In one embodiment, the methods comprise providing a crosslinkable-polymer composition comp... | 02/05/2008 |
| 7322414 | Crosslinkable-polymer compositions and associated methods Crosslinkable-polymer compositions are provided that may be useful for, among other things, reducing, stopping, or diverting the flow of fluids in subterranean formations. The crosslinkable-polymer compositions may comprise an aqueous fluid, a chitosan-reacting poly... | 01/29/2008 |
| 7318473 | Methods relating to maintaining the structural integrity of deviated well bores Methods of enhancing at least partially the structural integrity of a longitudinal portion of a deviated well bore are provided. The methods include providing a gravel matrix composition; providing a longitudinal portion of a deviated well bore; and placing a suffic... | 01/15/2008 |
| 7318474 | Methods and compositions for controlling formation fines and reducing proppant flow-back Provided herein are methods for controlling the migration of particulates within a portion of a subterranean formation that comprise aqueous tackifying treatment fluids, curable resin compositions, and/or noncurable resin compositions. ... | 01/15/2008 |
| 7299875 | Methods for controlling particulate migration Many methods are provided including methods of stabilizing a portion of a subterranean formation or reducing the production of particulates from a portion of a subterranean formation comprising contacting the portion of the subterranean formation with a pre-flush fl... | 11/27/2007 |
| 7300973 | Composition for recovering hydrocarbon fluids from a subterranean reservoir A composition comprising expandable cross linked polymeric microparticles having an unexpanded volume average particle size diameter of from about 0.05 to about 10 microns and a cross linking agent content of about 6,000 to less than about 9,000 ppm of labile cross ... | 11/27/2007 |
| 7287586 | Compositions and methods for plugging and sealing a subterranean formation The invention provides for a composition for treating a subterranean formation, the composition comprising a water-swellable agent and a sealing agent. Preferably, the water-swellable agent: i) absorbs greater than 100 weight % of water; and ii) swells to greater th... | 10/30/2007 |
| 7287587 | Crosslinkable polymer compositions and associated methods Crosslinkable polymer compositions comprising an aqueous fluid; a water-soluble polymer comprising carbonyl groups; an organic crosslinking agent capable of crosslinking the water-soluble polymer comprising carbonyl groups; and a water-soluble carbonate retarder. Me... | 10/30/2007 |
| 7284611 | Methods and compositions for controlling lost circulation in subterranean operations A lost circulation composition, that comprises a first portion of particles having a weight mean particle size of less than about 20 microns, a second portion of particles having a weight mean particle size in the range of from about 25 microns to about 400 microns,... | 10/23/2007 |
| 7281581 | Methods of hydraulic fracturing and of propping fractures in subterranean formations A method of propping at least one fracture in a subterranean formation, that comprises forming a plurality of proppant aggregates, each proppant aggregate comprising a binding fluid and a filler material, and introducing the plurality of proppant aggregates into the... | 10/16/2007 |
| 7279446 | Viscoelastic surfactant fluids having enhanced shear recovery, rheology and stability performance A method of treating a subterranean formation by injecting down a well an aqueous fluid containing a viscoelastic surfactant fluid comprising an enhanced shear recovery agent wherein shear recovery time of the viscoelastic surfactant fluid is reduced by the addition... | 10/09/2007 |
| 7276466 | Compositions and methods for reducing the viscosity of a fluid The present invention relates to improved methods and compositions for reducing the viscosity of subterranean servicing fluids where the servicing fluid has been cross-linked to increase its viscosity and that crosslinking can be reversed using a delayed release aci... | 10/02/2007 |
| 7273099 | Methods of stimulating a subterranean formation comprising multiple production intervals A method of stimulating a production interval adjacent a well bore having a casing disposed therein, that comprises introducing a carrier fluid comprising first particulates into the well bore, packing the first particulates into a plurality of perforations in the c... | 09/25/2007 |
| 7270184 | Method of well treatment The invention provides a method of well treatment comprising introducing into the matrix surrounding a hydrocarbon well bore hole an emulsion the discontinuous phase of which comprises a non-polymerizable, water or oil miscible liquid carrier, a polymerizable monome... | 09/18/2007 |
| 7270180 | Scaling inhibitors and method for using the same in high density brines A formulation containing a copolymer derived from a cationic monomer effectively inhibits and controls the formation of inorganic scales. The formulation has particular application in the removal of zinc sulfide and iron sulfide scales formed when zinc bromide brine... | 09/18/2007 |
| 7271133 | Methods and compositions for treating subterranean formations Methods for treating subterranean formations and aqueous treating fluid compositions are provided. The aqueous treating fluid compositions comprise water, a water soluble hydrophobically modified gelling agent polymer produced by grafting a low concentration of hydr... | 09/18/2007 |
| 7267171 | Methods and compositions for stabilizing the surface of a subterranean formation Methods comprising providing a fracturing fluid comprising proppant particulates at least partially coated with a hardenable resin composition that comprises a hardenable resin component and a hardening agent component, wherein the hardenable resin component compris... | 09/11/2007 |
| 7267174 | Methods of plugging a permeable zone downhole using a sealant composition comprising a crosslinkable material and a reduced amount of cement A method of servicing a wellbore, comprising preparing a sealant composition comprising a crosslinkable material, a crosslinking agent, a fluid loss control additive, and water, placing the sealant composition in a permeable zone in the wellbore, and allowing the se... | 09/11/2007 |
| 7264051 | Methods of using partitioned, coated particulates Methods of treating a portion of a subterranean formation comprising: providing partitioned, coated particulates that comprise particulates, an adhesive substance, and a partitioning agent, and wherein the adhesive substance comprises an aqueous tackifying agent or ... | 09/04/2007 |
