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| Number | Title | Issue Date |
| 8101555 | Spotting fluids containing syrups A spotting fluid is provided and the spotting fluid consists essentially of: syrup, syrup solids and a liquid medium, said syrup and syrup solids are derived from a group consisting essentially of agave syrup, barley syrup, sugar syrup, beets syrup, birch syrup, ric... | 01/24/2012 |
| 8088716 | Compressible objects having a predetermined internal pressure combined with a drilling fluid to form a variable density drilling mud A compressible object is described that may be utilized in drilling mud and with a drilling system to manage the density of the drilling mud. The compressible object includes a shell that encloses an interior region. Also, the compressible object has an internal pre... | 01/03/2012 |
| 8076269 | Compressible objects combined with a drilling fluid to form a variable density drilling mud A compressible object is described that may be utilized in drilling mud and with a drilling system to manage the density of the drilling mud. The compressible object includes a shell that encloses an interior region. The shell experiences less strain when the extern... | 12/13/2011 |
| 7972995 | Drilling fluid additive containing heated syrup solids A drilling fluid additive is provided and the additive consist of: syrup solids which are heated to evaporate water and then admixed with a liquid medium, and the syrup solids are derived from a group consisting essentially of agave syrup, barley syrup, sugar syrup,... | 07/05/2011 |
| 7964537 | Air drilling misting fluid contains syrups An air drilling misting fluid is provided and the fluid comprises: a continuous liquid phase solution comprising syrup, syrup solids and a first liquid medium, the syrup and syrup solids are derived from a group consisting essentially of agave syrup, barley syrup, s... | 06/21/2011 |
| 7763570 | Drilling fluid additive containing syrups A drilling fluid additive is provided and the additive consist of: syrup solids in the amount from about 30 to about 90% by weight of total volume of the additive and a liquid medium in the amount from about 10 to about 70% by weight of total volume of the additive,... | 07/27/2010 |
| 7745378 | Drilling fluid additive containing corn syrup solids A drilling fluid additive is provided and the additive consist of: hydrolyzed glucose syrup solids in the amount from about 30 to about 90% by weight of total volume of the additive and a liquid medium in the amount from about 10 to about 70% by weight of total volu... | 06/29/2010 |
| 7732379 | Non-damaging manganese tetroxide water-based drilling fluids A water-based drilling fluid containing Mn3O4 has been found to be effective in providing petroleum reservoirs with the ability to flow naturally and achieve a return permeability of 90% or greater without the need for acidizing treatments.... | 06/08/2010 |
| 7687438 | Drill-in fluids and associated methods Of the many methods provided, in one embodiment, the present invention provides a method comprising: placing a drill-in fluid in a subterranean formation, the drill-in fluid comprising an aqueous base fluid, a viscosifier, a relative permeability modifier fluid loss... | 03/30/2010 |
| 7678742 | Drill-in fluids and associated methods Of the many methods provided herein, the present invention provides a method comprising: providing a drill-in fluid that comprises an aqueous base fluid, a viscosifier, a relative permeability modifier fluid loss control additive, and a degradable bridging agent com... | 03/16/2010 |
| 7678743 | Drill-in fluids and associated methods Of the many compositions provided herein, in one embodiment, the present invention provides a drill-in fluid comprising an aqueous base fluid, a viscosifier, a relative permeability modifier fluid loss control additive, and a degradable bridging agent comprising a d... | 03/16/2010 |
| 7648946 | Methods of degrading filter cakes in subterranean formations Methods of degrading filter cakes in subterranean formations are provided. An example of a method is a method of drilling a well bore in a subterranean formation. Another example of a method is a method of degrading a filter cake in a subterranean formation, the fil... | 01/19/2010 |
| 7629296 | Composition and method for thickening heavy aqueous brines with cationic guar A process of preparing a well servicing fluid comprising viscosifying a heavy brine by contacting with a cationic polysaccharide and a composition thereof. ... | 12/08/2009 |
| 7618924 | Non-damaging manganese tetroxide water-based drilling fluids A water-based drilling fluid containing Mn3O4 has been found to be effective in providing petroleum reservoirs with the ability to flow naturally and achieve a return permeability of 90% or greater without the need for acidizing treatments.... | 11/17/2009 |
| 7592295 | Farnesene dimers and/or farnesane dimers and compositions thereof Farnesene dimers and/or farnesane dimers and compositions thereof are described. The compositions provided comprise conventional additives. Methods of making and using the compounds and composition are also disclosed. ... | 09/22/2009 |
| 7491681 | Viscous oleaginous fluids and methods of drilling and servicing wells therewith The invention provides (1) a method of increasing the thermal stability of an oleaginous liquid containing a high surface area silica viscosifier therein by adding a water soluble biopolymer thereto; and (2) a drilling, completion, workover, or well servicing fluid ... | 02/17/2009 |
| 7393407 | Silicon oxide slurry and method for producing such slurry The present invention relates to a slurry containing water, amorphous silica panicles having a particle size less than 1 micron and silica flour with a particle size between 2-200 microns. In order to stablize the slurry, the slurry contains a polysaccharide. The in... | 07/01/2008 |
| 7353876 | Self-degrading cement compositions and methods of using self-degrading cement compositions in subterranean formations Methods of stimulating subterranean formations are provided. More particularly, methods of fracturing subterranean formations using a fracturing fluid comprising a self-degrading cement composition are provided. An example of a method is a method of treating a subte... | 04/08/2008 |
| 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 |
| 7351680 | High performance water-based mud system A drilling fluid or mud additive having several components, including leonardite (humic acid); potassium acetate; partially hydrolyzed polyacrylamide (PHPA); polyanionic cellulose polymer (PAC); sulfonated asphalt; sulfoalkylated tannin; polystyrene maleic anhydride... | 04/01/2008 |
| 7350575 | Methods of servicing a wellbore with compositions comprising Sorel cements and oil based fluids A method of servicing a wellbore in contact with a subterranean formation comprising placing in the wellbore a composition comprising a metal oxide, a soluble salt, a surfactant and an oleaginous fluid, and allowing the composition to set. A method of cementing a we... | 04/01/2008 |
| 7347263 | Networked polymeric gels and use of such polymeric gels in hydrocarbon recovery A composition includes water having a salinity of at least 1 ppt, at least one hydrophilic polymer containing primary (—NH2) and/or secondary (—NHR) amine groups and at least one saccharide containing a reducible function. A method of changing the per... | 03/25/2008 |
| 7332458 | Drilling fluid A drilling fluid for use in high oil viscosity formations containing tar, sand and oil entrained therein. The drilling fluid can be comprised of a polymer in an amount from between 0.05% and 5% by volume, a solvent in an amount from between 1% and 20% by volume and ... | 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 |
| 7320951 | Silica-based drilling mud comprising glycoside lubricants with amino-linked alkyl chains The drilling mud with a lowered coefficient of friction having a silicate-based mud and a lubricant selected from the group consisting of: glycosides, alkylpolyalkoxyalcohols, alcohol ester polymers, amine phosphates, starch and combinations thereof. ... | 01/22/2008 |
| 7304019 | Concentrated suspensions Suspensions are provided of water-soluble materials in non-aqueous carrier fluids using suspension agents that include organophilic clays. Methods of forming such suspensions are provided. Methods are also provided for using such suspensions to prepare aqueous solut... | 12/04/2007 |
| 7303013 | Method for reducing density of a system fluid and for performing drilling operations using a reduced density system fluid comprising aerogel Methods for reducing density of a system fluid and performing drilling operations using a reduced density system fluid comprising aerogel. ... | 12/04/2007 |
| 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 |
| 7279445 | Membrane forming in-situ polymerization for water based drilling fluids A method of increasing shale formation stability with a water based drilling fluid, the method including: delivering to the shale formation a drilling fluid formulated to include an aqueous fluid; a first reactant which is a soluble monomer, oligomer, or polymer wit... | 10/09/2007 |
| 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 |
| 7268101 | Formate based liquid gel concentrates A liquid gel concentrate for forming a high viscosity treating fluid is provided which can be premixed and stored before being used. The concentrate is comprised of an aqueous formate solution, at least one hydratable polymer which yields viscosity upon hydration an... | 09/11/2007 |
| 7265078 | Drilling fluid apparatus and method Disclosed are drilling fluids suitable for use in connection with oil well drilling. The drilling fluids of the invention include in one embodiment a liquid base, an alkyl glucoside, such as methyl glucoside, and a borehole stability promoter that includes a maltode... | 09/04/2007 |
| 7261771 | Method of controlling the viscosity of a cementitious mixture using oppositely-charged polyelectrolytes A process for increasing the viscosity of an aqueous cementitious mixture during its working state by mixing oppositely-charge polyelectrolytes into the cementitious mixture. ... | 08/28/2007 |
| 7256159 | Fluid loss reducer for high temperature high pressure water based-mud application The present invention concerns a water-based drilling mud for utilization in the drilling of oil wells comprising an aqueous phase wherein the aqueous phase contains an oil soluble polymer in the form of a gel as a fluid loss reducer. The subject invention further r... | 08/14/2007 |
| 7252146 | Methods for preparing slurries of coated particulates Methods are provided that include a method of creating a stable slurry of coated particulates wherein the slurry is capable of being stored for at least 2 hours before use comprising the steps of: providing resin coated particulates wherein the resin comprises a res... | 08/07/2007 |
| 7240732 | Dispersant compositions for cement compositions and related methods The present invention relates to cementing operations, and more particularly to improved cement dispersants for cement compositions and methods of cementing. In one embodiment, the present invention provides a method of cementing comprising the steps of: providing a... | 07/10/2007 |
| 7238733 | Storable water-silica suspensions and methods Storable water-silica suspensions and methods of cementing well bores are provided. The storable water-silica suspensions are basically comprised of water, silica and an effective amount of a suspending agent selected from the group consisting of colloidal materials... | 07/03/2007 |
| 7237610 | Degradable particulates as friction reducers for the flow of solid particulates and associated methods of use Particulate compositions that comprise macro-particulates, and degradable particulates in an amount sufficient to reduce friction between the macro-particulates, the degradable particulates having a mean particle diameter of at least about 20 times smaller than the ... | 07/03/2007 |
| 7229952 | Additive packages for removing oil from solid materials recovered from a well bore An additive package for removing oil from solid material recovered from a well bore, e.g., drill cuttings and produced sand, is provided. The additive package includes an aqueous acidic solution containing a polymer substituted with an amino group, a halogenating ag... | 06/12/2007 |
