104346 ⎘
Compositions for drilling of boreholes or wells; Compositions for treating boreholes or wells, e.g. for completion or for remedial operations; Compositions for stimulating production by acting on the underground formation; Compositions for forming crevices or fractures; Eroding chemicals, e.g. acids combined with additives added for specific purposes
Foaming agent for subterranean formations treatment, and methods of use thereof
#602Methods and compositions relating to the control of the rates of acid-generating compounds in acidizing operations
#603Carbon dioxide foamed fluids
#604Internal breaker for oilfield fluids
#605Oxidative internal breaker system with breaking activators for viscoelastic surfactant fluids
#606Friction reduction fluids
#607Nano-sized particles for stabilizing viscoelastic surfactant fluids
#608Surfactants not toxic to bacteria
#609Degradable particulates and associated methods
#610Degradable particulates and associated methods
#611Degradable particulates and associated methods
#612Method of thickening salt-containing media by adding methacrylate derivatives
#613Acidic treatment fluids and associated methods
#614Self diverting matrix acid
#615Self-cleaning well control fluid
#616Method for treating a subterranean formation
#617Surfactant method for improved oil recovery from fractured reservoirs
#618Thiol / aldehyde corrosion inhibitors
#619Organic acid compositions and methods of use in subterranean operations
#620Stabilization of methyl butynol in hydrochloric acid systems
#621Method of treating a subterranean formation using a rheology model for fluid optimization
#622Scale inhibitors compatible with sandstone acidizing
#623Methods and compositions for diverting acid fluids in wellbores
#624Composition comprising a fully dissolved non-HF fluoride source and method for treating a subterranean formation
#625Sand aggregating reagents, modified sands, and methods for making and using same
#626High temperature gellant in low and high density brines
#627Viscoelastic cationic carbohydrate ether compositions
#628Method of using viscoelastic vesicular fluids to enhance productivity of formations
#629Corrosion inhibitor or intensifier for use in acidizing treatment fluids
#630Clay control additive for wellbore fluids
#631Single fluid acidizing treatment
#632Fluid system having controllable reversible viscosity
#633Corrosion inhibitor intensifier and method of using the same
#634Degradable surfactants and methods for use
#635Degradable surfactants and methods for use
#636Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods
#637Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods
#638Rheology enhancers
#639Self-destructing filter cake
#640Esterquat acidic subterranean treatment fluids and methods of using esterquats acidic subterranean treatment fluids
#641Esterquat acidic subterranean treatment fluids and methods of using esterquats acidic subterranean treatment fluids
#642Method and composition for forming protective precipitate on cement surfaces prior to formation acidizing treatment
#643Viscoelastic surfactant fluids and associated acidizing methods
#644Fracturing fluid containing amphoteric glycinate surfactant
#645Kickoff plugs comprising a self-degrading cement in subterranean well bores
#646Methods of directional drilling and forming kickoff plugs using self-degrading cement in subterranean well bores
#647Self-degrading cement compositions and methods of using self-degrading cement compositions in subterranean formations
#648Self-degrading cement compositions and methods of using self-degrading cement compositions in subterranean formations
#649Methods and compositions relating to the hydrolysis of water-hydrolysable materials
#650Methods of treating subterranean formations with heteropolysaccharides based fluids
#651Method using particulate chelates to stimulate production of petroleum in carbonate formations
#652Self diverting matrix acid
#653Self diverting matrix acid
#654Method of treating an oil or gas well with biodegradable low toxicity fluid system
#655Viscoelastic surfactant mixtures
#656Self diverting matrix acid
#6572-Hydroxy-3-alkoxypropyl sulfides, sulfones, and sulfoxides: new surface active agents
#658Well treating composition containing relatively lightweight proppant and acid
#659Selective fracture face dissolution
#660Viscoelastic fluids containing nanotubes for oilfield uses
#661Methods and aqueous acid solutions for acidizing wells containing sludging and emulsifying oil
#662Stabilizing crosslinked polymer guars and modified guar derivatives
#663Matrix acidizing high permeability contrast formations
#664Methods of treating subterranean formations using low-molecular-weight fluids
#665Methods of treating subterranean formations using low-molecular-weight fluids
#666Degradable additive for viscoelastic surfactant based fluid systems
#667System stabilizers and performance enhancers for aqueous fluids gelled with viscoelastic surfactants
#668Compositions and methods for treating a subterranean formation
#669Composition and process for the treatment of hydrogen sulfide
#670Subterranean acidizing treatment fluids and methods of using these fluids in subterranean formations
#671Methods useful for diverting aqueous fluids in subterranean operations
#672Esterquat acidic subterranean treatment fluids and methods of using esterquats acidic subterranean treatment fluids
#673Mutual solvent for improved oil and gas permeability
#674Thiol/aldehyde corrosion inhibitors
#675Additive for viscoelastic fluid
#676Acidizing stimulation method using viscoelastic gelling agent
#677Viscoelastic acid
#678Carbon dioxide foamed fluids
#679Methods and compositions for inhibiting metal corrosion
#680Differential etching in acid fracturing
#681Method of acidizing a subterranean formation with diverting foam or fluid
#682GELLED ACID
#683Methods for producing fluids from acidized and consolidated portions of subterranean formations
#684Method of using viscoelastic vesicular fluids to enhance productivity of formations
#685Compositions and methods for treating subterranean formations
#686Composition and methods for inhibiting corrosion of metal during acidizing a wellbore in a subterranean formation for fracking
#687Composition and methods for inhibiting corrosion of metal during acidizing a wellbore in a subterranean formation for fracking
#688Friction reduction of acidic treatment fluids
#689Method and composition for acidizing a subsurface formation utilizing a nitrogen gas-generating treatment fluid
#690Method to attenuate acid reactivity of subterranean formations with omniphobic chemicals
#691Solvent mixtures for downhole elemental sulfur removal and formation stimulation
#692Low pH-based oil recovery method for carbonate reservoirs
#693Methods of inhibiting corrosion with a pyrazine corrosion inhibitor
#694Polymer and preparation method thereof, and viscosified acid fluid
#695Enhancing acid fracture conductivity
#696Treatment fluids containing a perfluorinated carboxylic acid for use in subterranean formation operations