| US4941537A
              (en)
            
            * | 1988-02-25 | 1990-07-17 | Hi-Tek Polymers, Inc. | Method for reducing the viscosity of aqueous fluid | 
        
          | US4871022A
              (en)
            
            * | 1988-05-11 | 1989-10-03 | Exxon Chemicals Patents, Inc. | Method for removing polymer plugging in well boreholes | 
        
          | US4986354A
              (en)
            
            * | 1988-09-14 | 1991-01-22 | Conoco Inc. | Composition and placement process for oil field chemicals | 
        
          | US4986353A
              (en)
            
            * | 1988-09-14 | 1991-01-22 | Conoco Inc. | Placement process for oil field chemicals | 
        
          | US4919209A
              (en)
            
            * | 1989-01-17 | 1990-04-24 | Dowell Schlumberger Incorporated | Method for treating subterranean formations | 
        
          | EP0404211A1
              (en)
            
            * | 1989-05-01 | 1990-12-27 | Pumptech N.V. | Method of controlling release of encapsulated breakers | 
        
          | US5110486A
              (en)
            
            * | 1989-12-14 | 1992-05-05 | Exxon Research And Engineering Company | Breaker chemical encapsulated with a crosslinked elastomer coating | 
        
          | US5102558A
              (en)
            
            * | 1989-12-14 | 1992-04-07 | Exxon Research And Engineering Company | Encapsulated breaker chemical | 
        
          | US5102559A
              (en)
            
            * | 1989-12-14 | 1992-04-07 | Exxon Research And Engineering Company | Encapsulated breaker chemical with a multi-coat layer urea | 
        
          | US5187011A
              (en)
            
            * | 1989-12-04 | 1993-02-16 | Exxon Research And Engineering Company | Composition comprising encapsulated substrate with thermoplastic polymer overcoating | 
        
          | US5192615A
              (en)
            
            * | 1989-12-06 | 1993-03-09 | Exxon Research & Engineering Company | Composition comprising encapsulated substrate and thermoplastic polymer overcoating | 
        
          | US5204183A
              (en)
            
            * | 1989-12-14 | 1993-04-20 | Exxon Research And Engineering Company | Composition comprising polymer encapsulant for sealing layer encapsulated substrate | 
        
          | US5007481A
              (en)
            
            * | 1990-02-02 | 1991-04-16 | Exxon Chemical Patents, Inc. | Method of treating subterranean formations using a non-damaging fracturing fluid | 
        
          | US5005649A
              (en)
            
            * | 1990-02-28 | 1991-04-09 | Union Oil Company Of California | Multiple fracture production device and method | 
        
          | US5103905A
              (en)
            
            * | 1990-05-03 | 1992-04-14 | Dowell Schlumberger Incorporated | Method of optimizing the conductivity of a propped fractured formation | 
        
          | US5164099A
              (en)
            
            * | 1990-12-06 | 1992-11-17 | The Western Company Of North America | Encapsulations for treating subterranean formations and methods for the use thereof | 
        
          | US5224546A
              (en)
            
            * | 1991-03-18 | 1993-07-06 | Smith William H | Method of breaking metal-crosslinked polymers | 
        
          | US5217074A
              (en) | 1991-10-29 | 1993-06-08 | Exxon Chemical Patents Inc. | Method of fracturing formations | 
        
          | US5253711A
              (en)
            
            * | 1992-03-02 | 1993-10-19 | Texas United Chemical Corp. | Process for decomposing polysaccharides in alkaline aqueous systems | 
        
          | US5624886A
              (en)
            
            * | 1992-07-29 | 1997-04-29 | Bj Services Company | Controlled degradation of polysaccharides | 
        
          | US5420174A
              (en)
            
            * | 1992-11-02 | 1995-05-30 | Halliburton Company | Method of producing coated proppants compatible with oxidizing gel breakers | 
        
          | US5373901A
              (en)
            
            * | 1993-07-27 | 1994-12-20 | Halliburton Company | Encapsulated breakers and method for use in treating subterranean formations | 
        
          | US5386874A
              (en)
            
            * | 1993-11-08 | 1995-02-07 | Halliburton Company | Perphosphate viscosity breakers in well fracture fluids | 
        
          | US5445223A
              (en)
            
            * | 1994-03-15 | 1995-08-29 | Dowell, A Division Of Schlumberger Technology Corporation | Delayed borate crosslinked fracturing fluid having increased temperature range | 
        
          | US5441109A
              (en)
            
            * | 1994-04-19 | 1995-08-15 | The Western Company Of North America | Enzyme breakers for breaking fracturing fluids and methods of making and use thereof | 
        
          | US5437331A
              (en)
            
            * | 1994-08-24 | 1995-08-01 | The Western Company Of North America | Method for fracturing subterranean formations using controlled release breakers and compositions useful therein | 
        
          | US5604186A
              (en)
            
            * | 1995-02-15 | 1997-02-18 | Halliburton Company | Encapsulated enzyme breaker and method for use in treating subterranean formations | 
        
          | US5497830A
              (en)
            
            * | 1995-04-06 | 1996-03-12 | Bj Services Company | Coated breaker for crosslinked acid | 
        
          | CN1071591C
              (zh)
            
            * | 1995-07-12 | 2001-09-26 | 新疆石油管理局油田工艺研究所 | 三层球体式胶囊破胶剂及其制备方法 | 
        
          | US5649596A
              (en)
            
            * | 1996-02-27 | 1997-07-22 | Nalco/Exxon Energy Chemicals, L.P. | Use of breaker chemicals in gelled hydrocarbons | 
        
          | US5911923A
              (en)
            
            * | 1996-07-01 | 1999-06-15 | Microtek Laboratories, Inc. | Method for microencapsulating water-soluble or water-dispersible or water-sensitive materials in an organic continuous phase | 
        
          | US6435277B1
              (en) | 1996-10-09 | 2002-08-20 | Schlumberger Technology Corporation | Compositions containing aqueous viscosifying surfactants and methods for applying such compositions in subterranean formations | 
        
          | US5948735A
              (en)
            
            * | 1997-04-14 | 1999-09-07 | Nalco/Exxon Energy Chemicals, L.P. | Use of breaker chemicals in gelled hydrocarbons | 
        
          | US5873413A
              (en)
            
            * | 1997-08-18 | 1999-02-23 | Halliburton Energy Services, Inc. | Methods of modifying subterranean strata properties | 
        
          | US6006836A
              (en)
            
            * | 1997-08-18 | 1999-12-28 | Halliburton Energy Services, Inc. | Methods of sealing plugs in well bores | 
        
          | US6124246A
              (en)
            
            * | 1997-11-17 | 2000-09-26 | Halliburton Energy Services, Inc. | High temperature epoxy resin compositions, additives and methods | 
        
          | CA2222087C
              (en)
            
            * | 1997-11-25 | 2003-09-02 | Canadian Fracmaster Ltd. | Encapsulated breaker for oil gel system | 
        
          | US6059036A
              (en)
            
            * | 1997-11-26 | 2000-05-09 | Halliburton Energy Services, Inc. | Methods and compositions for sealing subterranean zones | 
        
          | US6070667A
              (en)
            
            * | 1998-02-05 | 2000-06-06 | Halliburton Energy Services, Inc. | Lateral wellbore connection | 
        
          | US7328744B2
              (en)
            
            * | 2001-02-23 | 2008-02-12 | Halliburton Energy Services, Inc. | Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids | 
        
          | US6006835A
              (en)
            
            * | 1998-02-17 | 1999-12-28 | Halliburton Energy Services, Inc. | Methods for sealing subterranean zones using foamed resin | 
        
          | US6012524A
              (en)
            
            * | 1998-04-14 | 2000-01-11 | Halliburton Energy Services, Inc. | Remedial well bore sealing methods and compositions | 
        
          | US6162766A
              (en)
            
            * | 1998-05-29 | 2000-12-19 | 3M Innovative Properties Company | Encapsulated breakers, compositions and methods of use | 
        
          | US6225262B1
              (en) | 1998-05-29 | 2001-05-01 | 3M Innovative Properties Company | Encapsulated breaker slurry compositions and methods of use | 
        
          | US6068055A
              (en) | 1998-06-30 | 2000-05-30 | Halliburton Energy Services, Inc. | Well sealing compositions and methods | 
        
          | US6059035A
              (en)
            
            * | 1998-07-20 | 2000-05-09 | Halliburton Energy Services, Inc. | Subterranean zone sealing methods and compositions | 
        
          | US6098711A
              (en)
            
            * | 1998-08-18 | 2000-08-08 | Halliburton Energy Services, Inc. | Compositions and methods for sealing pipe in well bores | 
        
          | US6279652B1
              (en) | 1998-09-23 | 2001-08-28 | Halliburton Energy Services, Inc. | Heat insulation compositions and methods | 
        
          | US6192985B1
              (en) | 1998-12-19 | 2001-02-27 | Schlumberger Technology Corporation | Fluids and techniques for maximizing fracture fluid clean-up | 
        
          | US6271181B1
              (en) | 1999-02-04 | 2001-08-07 | Halliburton Energy Services, Inc. | Sealing subterranean zones | 
        
          | US6328106B1
              (en) | 1999-02-04 | 2001-12-11 | Halliburton Energy Services, Inc. | Sealing subterranean zones | 
        
          | US6244344B1
              (en) | 1999-02-09 | 2001-06-12 | Halliburton Energy Services, Inc. | Methods and compositions for cementing pipe strings in well bores | 
        
          | US6234251B1
              (en) | 1999-02-22 | 2001-05-22 | Halliburton Energy Services, Inc. | Resilient well cement compositions and methods | 
        
          | US6209646B1
              (en) | 1999-04-21 | 2001-04-03 | Halliburton Energy Services, Inc. | Controlling the release of chemical additives in well treating fluids | 
        
          | US6214773B1
              (en)
            
            * | 1999-09-29 | 2001-04-10 | Halliburton Energy Services, Inc. | High temperature, low residue well treating fluids and methods | 
        
          | US6818594B1
              (en) | 1999-11-12 | 2004-11-16 | M-I L.L.C. | Method for the triggered release of polymer-degrading agents for oil field use | 
        
          | IL149542A0
              (en)
            
            * | 1999-11-12 | 2002-11-10 | Mi Llc | A method for degrading a substrate | 
        
          | US6454006B1
              (en) | 2000-03-28 | 2002-09-24 | Halliburton Energy Services, Inc. | Methods and associated apparatus for drilling and completing a wellbore junction | 
        
          | ATE527434T1
              (de) | 2000-04-05 | 2011-10-15 | Schlumberger Ca Ltd | Viskositätsverringerung von auf viskoelastischem öberflächenaktiven mittel basierten flüssigkeiten | 
        
          | US6924253B2
              (en)
            
            * | 2000-04-07 | 2005-08-02 | Bentley J. Palmer | Scale removal | 
        
          | US7186673B2
              (en)
            
            * | 2000-04-25 | 2007-03-06 | Exxonmobil Upstream Research Company | Stability enhanced water-in-oil emulsion and method for using same | 
        
          | US6357527B1
              (en) | 2000-05-05 | 2002-03-19 | Halliburton Energy Services, Inc. | Encapsulated breakers and method for use in treating subterranean formations | 
        
          | US6444316B1
              (en) | 2000-05-05 | 2002-09-03 | Halliburton Energy Services, Inc. | Encapsulated chemicals for use in controlled time release applications and methods | 
        
          | US7196040B2
              (en)
            
            * | 2000-06-06 | 2007-03-27 | T R Oil Services Limited | Microcapsule well treatment | 
        
          | WO2002055843A1
              (en)
            
            * | 2001-01-09 | 2002-07-18 | Bj Services Company | Well treatment fluid compositions and methods for their use | 
        
          | US7179485B1
              (en) | 2001-01-26 | 2007-02-20 | Fritz Industries, Inc A Texas Corporation | Hollow capsule having a wall permeable to water or an aqueous solution | 
        
          | US6321841B1
              (en) | 2001-02-21 | 2001-11-27 | Halliburton Energy Services, Inc. | Methods of sealing pipe strings in disposal wells | 
        
          | US6767868B2
              (en) | 2001-02-22 | 2004-07-27 | Bj Services Company | Breaker system for fracturing fluids used in fracturing oil bearing formations | 
        
          | US8119575B2
              (en) | 2001-02-23 | 2012-02-21 | Halliburton Energy Services, Inc. | Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids | 
        
          | US6511944B2
              (en) | 2001-02-23 | 2003-01-28 | Halliburton Energy Services, Inc. | Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids | 
        
          | US6544934B2
              (en) | 2001-02-23 | 2003-04-08 | Halliburton Energy Services, Inc. | Methods and compositions for treating subterranean formations with gelled hydrocarbon fluids | 
        
          | US6605570B2
              (en) | 2001-03-01 | 2003-08-12 | Schlumberger Technology Corporation | Compositions and methods to control fluid loss in surfactant-based wellbore service fluids | 
        
          | US6908888B2
              (en)
            
            * | 2001-04-04 | 2005-06-21 | Schlumberger Technology Corporation | Viscosity reduction of viscoelastic surfactant based fluids | 
        
          | US7084095B2
              (en)
            
            * | 2001-04-04 | 2006-08-01 | Schlumberger Technology Corporation | Methods for controlling the rheological properties of viscoelastic surfactants based fluids | 
        
          | US6719053B2
              (en) | 2001-04-30 | 2004-04-13 | Bj Services Company | Ester/monoester copolymer compositions and methods of preparing and using same | 
        
          | CA2451334C
              (en) | 2001-06-22 | 2008-09-09 | Jeffrey C. Dawson | Fracturing fluids and methods of making and using same | 
        
          | US8273693B2
              (en) | 2001-12-12 | 2012-09-25 | Clearwater International Llc | Polymeric gel system and methods for making and using same in hydrocarbon recovery | 
        
          | US6988550B2
              (en)
            
            * | 2001-12-17 | 2006-01-24 | Exxonmobil Upstream Research Company | Solids-stabilized oil-in-water emulsion and a method for preparing same | 
        
          | US6861394B2
              (en)
            
            * | 2001-12-19 | 2005-03-01 | M-I L.L.C. | Internal breaker | 
        
          | US6761220B2
              (en) | 2002-02-01 | 2004-07-13 | Halliburton Energy Services, Inc. | Treatment of a well with an encapsulated liquid and process for encapsulating a liquid | 
        
          | US6729408B2
              (en) | 2002-04-05 | 2004-05-04 | Schlumberger Technology Corp. | Fracturing fluid and method of use | 
        
          | US6691780B2
              (en)
            
            * | 2002-04-18 | 2004-02-17 | Halliburton Energy Services, Inc. | Tracking of particulate flowback in subterranean wells | 
        
          | US7338924B2
              (en) | 2002-05-02 | 2008-03-04 | Exxonmobil Upstream Research Company | Oil-in-water-in-oil emulsion | 
        
          | US6722434B2
              (en) | 2002-05-31 | 2004-04-20 | Halliburton Energy Services, Inc. | Methods of generating gas in well treating fluids | 
        
          | US6858566B1
              (en) | 2002-05-31 | 2005-02-22 | Halliburton Energy Services, Inc. | Methods of generating gas in and foaming well cement compositions | 
        
          | US6715553B2
              (en)
            
            * | 2002-05-31 | 2004-04-06 | Halliburton Energy Services, Inc. | Methods of generating gas in well fluids | 
        
          | US6840318B2
              (en) | 2002-06-20 | 2005-01-11 | Schlumberger Technology Corporation | Method for treating subterranean formation | 
        
          | US7199083B2
              (en)
            
            * | 2002-12-06 | 2007-04-03 | Self Generating Foam Incoporated | Self-generating foamed drilling fluids | 
        
          | US7378378B2
              (en)
            
            * | 2002-12-19 | 2008-05-27 | Schlumberger Technology Corporation | Rheology enhancers | 
        
          | RU2224102C1
              (ru)
            
            * | 2003-04-15 | 2004-02-20 | Чикин Андрей Егорович | Способ изоляции водопритоков или зон поглощения в скважине | 
        
          | WO2005040552A1
              (en) | 2003-10-01 | 2005-05-06 | Schlumberger Canada Limited | Improved fracturing fluid and method of use | 
        
          | GB0323065D0
              (en)
            
            * | 2003-10-02 | 2003-11-05 | Advanced Gel Technology Ltd | Fracturing of subterranean formations | 
        
          | US7204312B2
              (en)
            
            * | 2004-01-30 | 2007-04-17 | Halliburton Energy Services, Inc. | Compositions and methods for the delivery of chemical components in subterranean well bores | 
        
          | US7036586B2
              (en)
            
            * | 2004-01-30 | 2006-05-02 | Halliburton Energy Services, Inc. | Methods of cementing in subterranean formations using crack resistant cement compositions | 
        
          | US7156174B2
              (en)
            
            * | 2004-01-30 | 2007-01-02 | Halliburton Energy Services, Inc. | Contained micro-particles for use in well bore operations | 
        
          | US8183186B2
              (en) | 2004-02-10 | 2012-05-22 | Halliburton Energy Services, Inc. | Cement-based particulates and methods of use | 
        
          | US20060166834A1
              (en)
            
            * | 2004-02-10 | 2006-07-27 | Halliburton Energy Services, Inc. | Subterranean treatment fluids comprising substantially hydrated cement particulates | 
        
          | US9512346B2
              (en)
            
            * | 2004-02-10 | 2016-12-06 | Halliburton Energy Services, Inc. | Cement compositions and methods utilizing nano-hydraulic cement | 
        
          | US7086466B2
              (en)
            
            * | 2004-02-10 | 2006-08-08 | Halliburton Energy Services, Inc. | Use of substantially hydrated cement particulates in drilling and subterranean applications | 
        
          | US7341104B2
              (en)
            
            * | 2004-02-10 | 2008-03-11 | Halliburton Energy Services, Inc. | Methods of using substantially hydrated cement particulates in subterranean applications | 
        
          | US7128148B2
              (en) | 2004-04-16 | 2006-10-31 | Halliburton Energy Services, Inc. | Well treatment fluid and methods for blocking permeability of a subterranean zone | 
        
          | US7344345B2
              (en)
            
            * | 2004-05-27 | 2008-03-18 | Southco, Inc. | Captive shoulder nut having spring tie-down | 
        
          | US7638467B2
              (en)
            
            * | 2004-08-03 | 2009-12-29 | Intevep, S.A. | Reversible gelling system and method using same during well treatments | 
        
          | US20060052251A1
              (en)
            
            * | 2004-09-09 | 2006-03-09 | Anderson David K | Time release multisource marker and method of deployment | 
        
          | US7268100B2
              (en)
            
            * | 2004-11-29 | 2007-09-11 | Clearwater International, Llc | Shale inhibition additive for oil/gas down hole fluids and methods for making and using same | 
        
          | US20060116295A1
              (en) | 2004-11-29 | 2006-06-01 | Dobson James W Jr | Method of delaying the setting time of crosslinked lost circulation control pills | 
        
          | US7334640B2
              (en)
            
            * | 2005-01-06 | 2008-02-26 | Halliburton Energy Services, Inc. | Methods for reducing the viscosity of treatment fluids | 
        
          | US7888297B2
              (en)
            
            * | 2005-01-06 | 2011-02-15 | Halliburton Energy Services, Inc. | Compositions for reducing the viscosity of treatment fluids | 
        
          | GB2422839B
              (en)
            
            * | 2005-01-11 | 2009-06-24 | Schlumberger Holdings | Degradable polymers for wellbore fluids and processes | 
        
          | US8563481B2
              (en) | 2005-02-25 | 2013-10-22 | Clearwater International Llc | Corrosion inhibitor systems for low, moderate and high temperature fluids and methods for making and using same | 
        
          | US8586510B2
              (en)
            
            * | 2005-04-15 | 2013-11-19 | Halliburton Energy Services, Inc. | Methods and compositions for delaying the release of treatment chemicals | 
        
          | US7337839B2
              (en)
            
            * | 2005-06-10 | 2008-03-04 | Schlumberger Technology Corporation | Fluid loss additive for enhanced fracture clean-up | 
        
          | US7290614B2
              (en)
            
            * | 2005-06-23 | 2007-11-06 | Halliburton Energy Services, Inc. | Methods for effecting controlled break in pH dependent foamed fracturing fluid | 
        
          | WO2007002690A2
              (en) | 2005-06-24 | 2007-01-04 | William Marsh Rice University | Nano-encapsulated triggered-release viscosity breakers | 
        
          | US8230936B2
              (en)
            
            * | 2005-08-31 | 2012-07-31 | Schlumberger Technology Corporation | Methods of forming acid particle based packers for wellbores | 
        
          | US20070089909A1
              (en) | 2005-10-07 | 2007-04-26 | M-I Llc | Mechanically modified filter cake | 
        
          | US8950493B2
              (en)
            
            * | 2005-12-09 | 2015-02-10 | Weatherford Technology Holding LLC | Method and system using zeta potential altering compositions as aggregating reagents for sand control | 
        
          | US8871694B2
              (en) | 2005-12-09 | 2014-10-28 | Sarkis R. Kakadjian | Use of zeta potential modifiers to decrease the residual oil saturation | 
        
          | US9334713B2
              (en) | 2005-12-09 | 2016-05-10 | Ronald van Petegem | Produced sand gravel pack process | 
        
          | US8946130B2
              (en)
            
            * | 2005-12-09 | 2015-02-03 | Clearwater International Llc | Methods for increase gas production and load recovery | 
        
          | CA2632526C
              (en) | 2005-12-22 | 2014-03-11 | Exxonmobil Upstream Research Company | Method of oil recovery using a foamy oil-external emulsion | 
        
          | US8097567B2
              (en) | 2006-01-09 | 2012-01-17 | Clearwater International, Llc | Well drilling fluids having clay control properties | 
        
          | US8084401B2
              (en)
            
            * | 2006-01-25 | 2011-12-27 | Clearwater International, Llc | Non-volatile phosphorus hydrocarbon gelling agent | 
        
          | US7921046B2
              (en)
            
            * | 2006-06-19 | 2011-04-05 | Exegy Incorporated | High speed processing of financial information using FPGA devices | 
        
          | WO2008024147A1
              (en)
            
            * | 2006-08-23 | 2008-02-28 | Exxonmobil Upstream Research Company | Composition and method for using waxy oil-external emulsions to modify reservoir permeability profiles | 
        
          | US7712535B2
              (en)
            
            * | 2006-10-31 | 2010-05-11 | Clearwater International, Llc | Oxidative systems for breaking polymer viscosified fluids | 
        
          | US20080108522A1
              (en)
            
            * | 2006-11-07 | 2008-05-08 | Bj Services Company | Use of anionic surfactants as hydration aid for fracturing fluids | 
        
          | US9120963B2
              (en)
            
            * | 2006-11-08 | 2015-09-01 | Schlumberger Technology Corporation | Delayed water-swelling materials and methods of use | 
        
          | US8273426B1
              (en) | 2007-01-10 | 2012-09-25 | Fritz Industries, Inc | Encapsulated compositions | 
        
          | RU2347069C2
              (ru)
            
            * | 2007-02-13 | 2009-02-20 | Шлюмбергер Текнолоджи Б.В. | Способ очистки трещины гидроразрыва | 
        
          | US8172952B2
              (en)
            
            * | 2007-02-21 | 2012-05-08 | Clearwater International, Llc | Reduction of hydrogen sulfide in water treatment systems or other systems that collect and transmit bi-phasic fluids | 
        
          | US7565933B2
              (en)
            
            * | 2007-04-18 | 2009-07-28 | Clearwater International, LLC. | Non-aqueous foam composition for gas lift injection and methods for making and using same | 
        
          | US7992653B2
              (en) | 2007-04-18 | 2011-08-09 | Clearwater International | Foamed fluid additive for underbalance drilling | 
        
          | US8158562B2
              (en)
            
            * | 2007-04-27 | 2012-04-17 | Clearwater International, Llc | Delayed hydrocarbon gel crosslinkers and methods for making and using same | 
        
          | US9206344B2
              (en) | 2007-05-10 | 2015-12-08 | Halliburton Energy Services, Inc. | Sealant compositions and methods utilizing nano-particles | 
        
          | US8685903B2
              (en) | 2007-05-10 | 2014-04-01 | Halliburton Energy Services, Inc. | Lost circulation compositions and associated methods | 
        
          | US9199879B2
              (en) | 2007-05-10 | 2015-12-01 | Halliburton Energy Serives, Inc. | Well treatment compositions and methods utilizing nano-particles | 
        
          | US8476203B2
              (en) | 2007-05-10 | 2013-07-02 | Halliburton Energy Services, Inc. | Cement compositions comprising sub-micron alumina and associated methods | 
        
          | US9512351B2
              (en) | 2007-05-10 | 2016-12-06 | Halliburton Energy Services, Inc. | Well treatment fluids and methods utilizing nano-particles | 
        
          | US8586512B2
              (en)
            
            * | 2007-05-10 | 2013-11-19 | Halliburton Energy Services, Inc. | Cement compositions and methods utilizing nano-clay | 
        
          | US7942201B2
              (en)
            
            * | 2007-05-11 | 2011-05-17 | Clearwater International, Llc | Apparatus, compositions, and methods of breaking fracturing fluids | 
        
          | US8034750B2
              (en)
            
            * | 2007-05-14 | 2011-10-11 | Clearwater International Llc | Borozirconate systems in completion systems | 
        
          | US8728989B2
              (en)
            
            * | 2007-06-19 | 2014-05-20 | Clearwater International | Oil based concentrated slurries and methods for making and using same | 
        
          | US8099997B2
              (en) | 2007-06-22 | 2012-01-24 | Weatherford/Lamb, Inc. | Potassium formate gel designed for the prevention of water ingress and dewatering of pipelines or flowlines | 
        
          | US8065905B2
              (en)
            
            * | 2007-06-22 | 2011-11-29 | Clearwater International, Llc | Composition and method for pipeline conditioning and freezing point suppression | 
        
          | US8276664B2
              (en)
            
            * | 2007-08-13 | 2012-10-02 | Baker Hughes Incorporated | Well treatment operations using spherical cellulosic particulates | 
        
          | CN100572494C
              (zh)
            
            * | 2007-09-06 | 2009-12-23 | 中国石油大学(华东) | 延缓油气井工作液外加剂释放的微胶囊及其制备方法 | 
        
          | US20090105097A1
              (en)
            
            * | 2007-10-22 | 2009-04-23 | Carlos Abad | Degradable Friction Reducer | 
        
          | US20090137429A1
              (en)
            
            * | 2007-11-26 | 2009-05-28 | Rimassa Shawn Mccleskey | Temperature-Extended Enzyme Systems | 
        
          | GB0724191D0
              (en)
            
            * | 2007-12-11 | 2008-01-23 | Cleansorb Ltd | Process fpr treatment of underground formations | 
        
          | US7989404B2
              (en)
            
            * | 2008-02-11 | 2011-08-02 | Clearwater International, Llc | Compositions and methods for gas well treatment | 
        
          | RU2496977C2
              (ru)
            
            * | 2008-02-27 | 2013-10-27 | Шлюмберже Текнолоджи Б.В. | Способ улучшения обработки подземного пласта через скважину и способ гидроразрыва пласта через скважину | 
        
          | US20090221453A1
              (en)
            
            * | 2008-02-29 | 2009-09-03 | Sumitra Mukhopadhyay | Treatment Fluid With Oxidizer Breaker System and Method | 
        
          | US8141661B2
              (en)
            
            * | 2008-07-02 | 2012-03-27 | Clearwater International, Llc | Enhanced oil-based foam drilling fluid compositions and method for making and using same | 
        
          | US7956217B2
              (en) | 2008-07-21 | 2011-06-07 | Clearwater International, Llc | Hydrolyzed nitrilotriacetonitrile compositions, nitrilotriacetonitrile hydrolysis formulations and methods for making and using same | 
        
          | AU2009281823B2
              (en)
            
            * | 2008-08-15 | 2015-10-08 | Weatherford Technology Holdings, Llc | Multiphase drilling systems and methods | 
        
          | US8287640B2
              (en)
            
            * | 2008-09-29 | 2012-10-16 | Clearwater International, Llc | Stable foamed cement slurry compositions and methods for making and using same | 
        
          | US9945220B2
              (en) | 2008-10-08 | 2018-04-17 | The Lubrizol Corporation | Methods and system for creating high conductivity fractures | 
        
          | US9909404B2
              (en) | 2008-10-08 | 2018-03-06 | The Lubrizol Corporation | Method to consolidate solid materials during subterranean treatment operations | 
        
          | US7932214B2
              (en)
            
            * | 2008-11-14 | 2011-04-26 | Clearwater International, Llc | Foamed gel systems for fracturing subterranean formations, and methods for making and using same | 
        
          | US8276667B2
              (en)
            
            * | 2008-12-03 | 2012-10-02 | Schlumberger Technology Corporation | Delayed breaking of well treatment fluids | 
        
          | US8011431B2
              (en)
            
            * | 2009-01-22 | 2011-09-06 | Clearwater International, Llc | Process and system for creating enhanced cavitation | 
        
          | US8093431B2
              (en)
            
            * | 2009-02-02 | 2012-01-10 | Clearwater International Llc | Aldehyde-amine formulations and method for making and using same | 
        
          | CN101838529B
              (zh)
            
            * | 2009-03-17 | 2013-03-06 | 大连百奥泰科技有限公司 | 一种油气田酶催化就地深度酸化液及其应用 | 
        
          | US9328285B2
              (en)
            
            * | 2009-04-02 | 2016-05-03 | Weatherford Technology Holdings, Llc | Methods using low concentrations of gas bubbles to hinder proppant settling | 
        
          | US8466094B2
              (en) | 2009-05-13 | 2013-06-18 | Clearwater International, Llc | Aggregating compositions, modified particulate metal-oxides, modified formation surfaces, and methods for making and using same | 
        
          | US20100305010A1
              (en)
            
            * | 2009-05-28 | 2010-12-02 | Clearwater International, Llc | High density phosphate brines and methods for making and using same | 
        
          | US20100311620A1
              (en)
            
            * | 2009-06-05 | 2010-12-09 | Clearwater International, Llc | Winterizing agents for oil base polymer slurries and method for making and using same | 
        
          | US20110001083A1
              (en)
            
            * | 2009-07-02 | 2011-01-06 | Clearwater International, Llc | Environmentally benign water scale inhibitor compositions and method for making and using same | 
        
          | US20110237470A1
              (en)
            
            * | 2010-03-29 | 2011-09-29 | Leiming Li | Method to decrease viscosity of gelled oil | 
        
          | US9447657B2
              (en) | 2010-03-30 | 2016-09-20 | The Lubrizol Corporation | System and method for scale inhibition | 
        
          | US8835364B2
              (en) | 2010-04-12 | 2014-09-16 | Clearwater International, Llc | Compositions and method for breaking hydraulic fracturing fluids | 
        
          | US8899328B2
              (en) | 2010-05-20 | 2014-12-02 | Clearwater International Llc | Resin sealant for zonal isolation and methods for making and using same | 
        
          | US8851174B2
              (en) | 2010-05-20 | 2014-10-07 | Clearwater International Llc | Foam resin sealant for zonal isolation and methods for making and using same | 
        
          | US8772206B2
              (en)
            
            * | 2010-05-21 | 2014-07-08 | Schlumberger Technology Corporation | Treatment fluids made of halogenisocyanuric acid and its salts for operations in a well | 
        
          | US9085724B2
              (en) | 2010-09-17 | 2015-07-21 | Lubri3ol Oilfield Chemistry LLC | Environmentally friendly base fluids and methods for making and using same | 
        
          | US8524639B2
              (en) | 2010-09-17 | 2013-09-03 | Clearwater International Llc | Complementary surfactant compositions and methods for making and using same | 
        
          | US8846585B2
              (en) | 2010-09-17 | 2014-09-30 | Clearwater International, Llc | Defoamer formulation and methods for making and using same | 
        
          | US9062241B2
              (en) | 2010-09-28 | 2015-06-23 | Clearwater International Llc | Weight materials for use in cement, spacer and drilling fluids | 
        
          | US9062242B2
              (en) | 2011-03-09 | 2015-06-23 | Schlumberger Technology Corporation | Cross-linkers for hydraulic fracturing fluid | 
        
          | US8841240B2
              (en) | 2011-03-21 | 2014-09-23 | Clearwater International, Llc | Enhancing drag reduction properties of slick water systems | 
        
          | US20120264655A1
              (en) | 2011-04-15 | 2012-10-18 | Corsicana Technologies, Inc. | Thermo-responsive hydrogels and thermo-responsive polymer solutions | 
        
          | US9022120B2
              (en) | 2011-04-26 | 2015-05-05 | Lubrizol Oilfield Solutions, LLC | Dry polymer mixing process for forming gelled fluids | 
        
          | US9464504B2
              (en) | 2011-05-06 | 2016-10-11 | Lubrizol Oilfield Solutions, Inc. | Enhancing delaying in situ gelation of water shutoff systems | 
        
          | US8944164B2
              (en) | 2011-09-28 | 2015-02-03 | Clearwater International Llc | Aggregating reagents and methods for making and using same | 
        
          | US8695704B2
              (en) | 2011-11-09 | 2014-04-15 | Halliburton Energy Services, Inc. | Controlled release breaker composition for oil field applications | 
        
          | US9018143B2
              (en) | 2011-11-18 | 2015-04-28 | Baker Hughes Incorporated | Metallic particle activated oxidative breaking method and system | 
        
          | US20130126164A1
              (en)
            
            * | 2011-11-22 | 2013-05-23 | Halliburton Energy Services, Inc. | Releasing activators during wellbore operations | 
        
          | US8932996B2
              (en) | 2012-01-11 | 2015-01-13 | Clearwater International L.L.C. | Gas hydrate inhibitors and methods for making and using same | 
        
          | WO2014052238A1
              (en) | 2012-09-25 | 2014-04-03 | Weatherford/Lamb, Inc. | High water and brine swell elastomeric compositions and method for making and using same | 
        
          | CN103074048B
              (zh)
            
            * | 2012-12-27 | 2016-01-27 | 南通科益化工有限公司 | 超低温(0~30℃)压裂液体系的开发 | 
        
          | US20140182854A1
              (en)
            
            * | 2012-12-28 | 2014-07-03 | Superior Energy Services, L.L.C. | Fluid loss control pill with internal breaker and method | 
        
          | US20140196904A1
              (en)
            
            * | 2013-01-15 | 2014-07-17 | Halliburton Energy Services, Inc. | Methods of Controlled Release pH Adjustment for Oilwell Stimulation | 
        
          | US9217102B2
              (en)
            
            * | 2013-03-22 | 2015-12-22 | Synoil Fluids Holdings Inc. | Amide branched aromatic gelling agents | 
        
          | WO2014199938A1
              (ja)
            
            * | 2013-06-10 | 2014-12-18 | 住友精化株式会社 | 水圧破砕法に用いられるフラクチャリング流体の粘度制御剤 | 
        
          | US10669468B2
              (en) | 2013-10-08 | 2020-06-02 | Weatherford Technology Holdings, Llc | Reusable high performance water based drilling fluids | 
        
          | EP3071665A2
              (en) | 2013-11-18 | 2016-09-28 | Lubrizol Oilfield Solutions, Inc. | Methods and compositions for creating high conductivity fractures | 
        
          | CN103715370B
              (zh)
            
            * | 2013-12-26 | 2017-08-08 | 合肥京东方光电科技有限公司 | 微胶囊的制备方法 | 
        
          | WO2015125121A1
              (en) | 2014-02-21 | 2015-08-27 | Clearwater International, Llc | Synthetic hydratable polymers for use in fracturing fluids and methods for making and using same | 
        
          | US10202828B2
              (en) | 2014-04-21 | 2019-02-12 | Weatherford Technology Holdings, Llc | Self-degradable hydraulic diversion systems and methods for making and using same | 
        
          | US10358595B2
              (en) | 2014-06-05 | 2019-07-23 | Halliburton Energy Services, Inc. | Methods of producing particles having two different properties | 
        
          | EP3212729B1
              (en) | 2014-06-18 | 2019-02-20 | Services Petroliers Schlumberger | Methods for well cementing | 
        
          | US9359253B2
              (en) | 2014-07-01 | 2016-06-07 | Aquasmart Enterprises, Llc | Coated-fine-aggregate, concrete composition and method | 
        
          | US10266450B2
              (en) | 2014-07-01 | 2019-04-23 | Aquasmart Enterprises, Llc | Coated-fine-aggregate, concrete composition and method | 
        
          | US9631139B2
              (en) | 2014-07-17 | 2017-04-25 | Aramco Services Company | Encapsulation and controlled delivery of strong mineral acids | 
        
          | RU2017102928A
              (ru) | 2014-07-21 | 2018-08-21 | Акцо Нобель Кемикалз Интернэшнл Б.В. | Гранулы с регулируемым высвобождением, имеющие водостойкую оболочку | 
        
          | GB2544013B
              (en)
            
            * | 2014-08-15 | 2019-03-27 | Baker Hughes Inc | Methods and systems for monitoring a subterranean formation and wellbore production | 
        
          | US10513916B2
              (en) | 2014-09-17 | 2019-12-24 | Carbo Ceramics Inc. | In-line treatment cartridge and methods of using same | 
        
          | CA3189011A1
              (en) | 2014-09-17 | 2016-06-02 | Carbo Ceramics Inc. | Infused and coated proppant containing chemical treatment agents and methods of using same | 
        
          | US10001769B2
              (en) | 2014-11-18 | 2018-06-19 | Weatherford Technology Holdings, Llc | Systems and methods for optimizing formation fracturing operations | 
        
          | WO2016173973A1
              (en)
            
            * | 2015-04-30 | 2016-11-03 | Basf Se | Microencapsulated enzymes | 
        
          | WO2016178672A1
              (en)
            
            * | 2015-05-05 | 2016-11-10 | Halliburton Energy Services, Inc. | Compositions including modified release material for treatment of subterranean formations | 
        
          | EP3098381A1
              (en) | 2015-05-28 | 2016-11-30 | Basf Se | Formulation comprising at least one hydrophobically associating copolymer, a crosslinking agent and a proppant | 
        
          | US10611953B2
              (en)
            
            * | 2015-07-23 | 2020-04-07 | Finoric LLC | Controlled release of well treatment agents into oil wells | 
        
          | RU2723068C2
              (ru)
            
            * | 2015-07-31 | 2020-06-08 | Адэка Корпорейшн | Инкапсулированная добавка, способ изготовления инкапсулированной добавки и рабочая жидкость, характеризующаяся переменной вязкостью | 
        
          | US20190177603A1
              (en) | 2015-08-21 | 2019-06-13 | Schlumberger Technology Corporation | Environmentally acceptable surfactant in aqueous-based stimulation fluids | 
        
          | RU2597383C1
              (ru)
            
            * | 2015-11-12 | 2016-09-10 | Общество с ограниченной ответственностью Многопрофильная Компания "ХимСервисИнжиниринг" ООО МПК "ХимСервисИнжиниринг" | Состав для повышения добычи нефти вытеснением | 
        
          | WO2017137789A1
              (en) | 2016-02-11 | 2017-08-17 | Services Petroliers Schlumberger | Release of expansion agents for well cementing | 
        
          | CN105626028B
              (zh)
            
            * | 2016-02-17 | 2018-09-07 | 西南石油大学 | 增加页岩气井压裂改造缝网密度的方法 | 
        
          | US10494564B2
              (en) | 2017-01-17 | 2019-12-03 | PfP INDUSTRIES, LLC | Microemulsion flowback recovery compositions and methods for making and using same | 
        
          | WO2017174208A1
              (en) | 2016-04-08 | 2017-10-12 | Schlumberger Technology Corporation | Slurry comprising an encapsulated expansion agent for well cementing | 
        
          | CN106630734B
              (zh)
            
            * | 2016-12-27 | 2019-03-22 | 中国地质大学(武汉) | 一种固井水泥浆添加剂及其提高裂隙渗流通道半径的方法 | 
        
          | US10870791B2
              (en) | 2017-08-14 | 2020-12-22 | PfP Industries LLC | Compositions and methods for cross-linking hydratable polymers using produced water | 
        
          | US10472560B2
              (en) | 2017-08-28 | 2019-11-12 | Ambrish Kamdar | Method for time-controlled release of breakers by use of breakers encapsulated within membranes containing water soluble polymers | 
        
          | CN107573920A
              (zh)
            
            * | 2017-10-18 | 2018-01-12 | 中国石油化工股份有限公司 | 一种生物酶胶囊破胶剂及其制备方法 | 
        
          | WO2019094014A1
              (en)
            
            * | 2017-11-09 | 2019-05-16 | Halliburton Energy Services, Inc. | Methods and compositions for acidizing and stabilizing formation of fracture faces in the same treatment | 
        
          | RU2699420C2
              (ru)
            
            * | 2017-11-21 | 2019-09-05 | Андрей Васильевич Попов | Капсулированный деструктор на основе персульфата аммония для жидкостей разгеливания нефтяных скважин после гидроразрыва пласта и способ его получения | 
        
          | US11306242B2
              (en) | 2018-08-13 | 2022-04-19 | Mitsubishi Gas Chemical Company, Inc. | Degradation agent for viscous fluid and method for producing said degradation agent | 
        
          | US11236609B2
              (en) | 2018-11-23 | 2022-02-01 | PfP Industries LLC | Apparatuses, systems, and methods for dynamic proppant transport fluid testing | 
        
          | WO2020231802A1
              (en) | 2019-05-10 | 2020-11-19 | Sabre Intellectual Property Holdings Llc | Compositions and methods using chlorate to break polyacrylamide | 
        
          | US11473003B2
              (en) | 2020-02-07 | 2022-10-18 | Flex-Chem Holding Company, Llc | Iron control as part of a well treatment using time-released agents | 
        
          | WO2021159066A1
              (en) | 2020-02-07 | 2021-08-12 | Flex-Chem Holding Company, Llc | Iron control as part of a well treatment using time-released agents | 
        
          | US11905462B2
              (en) | 2020-04-16 | 2024-02-20 | PfP INDUSTRIES, LLC | Polymer compositions and fracturing fluids made therefrom including a mixture of cationic and anionic hydratable polymers and methods for making and using same | 
        
          | CN113803045A
              (zh)
            
            * | 2020-06-17 | 2021-12-17 | 中国石油化工股份有限公司 | 一种提高页岩气采收率的方法及其模拟实验方法 | 
        
          | CN112625667B
              (zh)
            
            * | 2020-12-18 | 2022-07-01 | 成都劳恩普斯科技有限公司 | 疏水改性核壳结构环保型缓/控释暂堵剂及其制备方法 | 
        
          | CN114215498B
              (zh)
            
            * | 2021-12-17 | 2023-04-18 | 中国科学院地质与地球物理研究所 | 注入液和利用注入液体系向地层注入氧化钙粉末的方法 | 
        
          | CN116426262A
              (zh)
            
            * | 2022-01-04 | 2023-07-14 | 中国石油天然气股份有限公司 | 一种双壳结构的延迟破胶剂及其制备方法 | 
        
          | CN116496772A
              (zh)
            
            * | 2023-05-05 | 2023-07-28 | 延安双丰集团有限公司 | 一种水基压裂液超低温破胶剂的制备方法及应用 | 
        
          | US12378950B2
              (en)
            
            * | 2023-07-11 | 2025-08-05 | Baker Hughes Oilfield Operations Llc | Controlled deployment of shape-memory articles |