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US20150060146 RESERVOIR ACTIVATED EMULSION BREAKING FOR LOST CIRCULATION  
An oil-in-water emulsion is provided to place a sealant within a subterranean formation by being deployed into the formation to reacte with the formation's included water to break the emulsion,...
US20050167159 Drilling fluid for casing drilling  
The present invention provides a method of drilling a hydrocarbon well using a drillstring adapted to provide a continuous or quasi-continuous contact with the wall of the well such that at least...
US20150008044 Lost Circulation Drilling Fluids Comprising Elastomeric Rubber Particles and a Method for Decreasing Whole Mud Loss Using Such Composition  
The disclosed invention is a unique drilling fluid composition and method for reducing lost mud circulation in wellbores due to seepage loss into fluid permeable subterranean formations. The...
US20140326511 ENHANCED SMEAR EFFECT FRACTURE PLUGGING PROCESS FOR DRILLING SYSTEMS  
This invention relates to drilling a well, particularly an oil or gas well, where casing or liner will be installed to stabilize the wellbore. The present invention is intended to permit more...
US20100300760 ENHANCED SMEAR EFFECT FRACTURE PLUGGING PROCESS FOR DRILLING SYSTEMS  
This invention relates to drilling a well, particularly an oil or gas well, where casing or liner will be installed to stabilize the wellbore. The present invention is intended to permit more...
US20060137878 Drilling fluid additive and method  
A method is provided for drilling a wellbore including the steps of: providing a drilling mud comprising a primary amine; circulating the drilling mud while the wellbore is being drilled wherein...
US20090321142 Well Drilling Method for Prevention of Lost Circulation of Drilling Muds  
An improved well drilling method for directional drilling in subterranean formations which comprises incorporating into the drilling fluid an effective amount of fibrillated hydrophobic...
US20140353043 Method of Conversion of a Drilling Mud to a Gel-Based Lost Circulation Material to Combat Lost Circulation During Continuous Drilling  
A method of conversion of a water-based mud to a gel-based LCM quickly to control lost circulation in a lost circulation zone in a wellbore during continuous drilling with a drilling mud, the...
US20070187099 Methods and Compositions for Sealing Fractures, Voids, and Pores of Subterranean Rock Formations  
A region of a borehole with one or more openings to be sealed off, such as one or more fractures, voids, and or pores, may or may not be sealed off around a tubular string with a borehole seal...
US20100230164 COMPOSITIONS AND METHODS FOR INHIBITING LOST CIRCULATION DURING WELL OPERATION  
Drilling fluid additive compositions are provided for use with synthetic, oil based, or water based drilling fluids. The combined additive and drilling fluid are effective for reducing lost...
US20100230169 COMPOSITIONS AND METHODS FOR INHIBITING LOST CIRCULATION DURING WELL OPERATIONS  
Drilling fluid additive compositions are provided for use with synthetic, oil based, or water based drilling fluids. The combined additive and drilling fluid are effective for reducing lost...
US20100116497 Method of servicing a wellbore with a sealant composition comprising solid latex  
A method of servicing a wellbore comprising placing a sealant composition comprising solid latex into the wellbore.
US20150101805 VISCOELASTIC SURFACTANT BASED WELLBORE FLUIDS AND METHODS OF USE  
A wellbore fluid that includes an aqueous based fluid; an amphoteric, viscoelastic surfactant; and a modified starch is disclosed. Methods of drilling subterranean wells, methods of reducing the...
US20070169937 Methods of using lost circulation compositions  
A method of servicing a wellbore in contact with a subterranean formation, comprising: placing a wellbore servicing fluid comprising a crosslinkable polymer system and a filler into a lost...
US20140135237 Expandable Coating for Solid Particles and Associated Methods of Use in Subterranean Treatments  
A variety of methods and compositions are disclosed, including, in one embodiment, a method of treating a subterranean formation comprising: providing coated particles, wherein the coated...
US20110168449 METHODS FOR DRILLING, REAMING AND CONSOLIDATING A SUBTERRANEAN FORMATION  
Methods are provided including methods comprising providing a drill-in fluid, a reaming fluid, and a consolidating agent; drilling at least a portion of a subterranean formation with the drill-in...
US20050155796 Permeability-modifying drilling fluids and methods of use  
The present invention provides drilling fluids that comprise a base fluid and a water-soluble relative permeability modifier. In addition, the present invention provides methods of reducing the...
US20140238674 Clean Fluid Loss Control Additives  
Methods of providing fluid loss control in a portion of a subterranean formation comprising: providing a treatment fluid comprising a base fluid and a plurality of seeds; introducing the treatment...
US20050269085 Method for sealing lost circulation zones  
Disclosed is a method of reducing lost circulation, sealing lost circulation zones, and stabilizing weak formations, using copolymers of ethylene acrylic or ethylene methacrylic acid, or the...
US20090008095 Wellbore Fluid Comprising a Base Fluid and a Particulate Bridging Agent  
A wellbore fluid comprising a base fluid and a particulate bridging agent comprised of a sparingly water-soluble material selected from the group consisting of...
US20090151943 Aqueous-based emulsified consolidating agents suitable for use in drill-in applications  
Methods of drilling a wellbore through a production zone within a subterranean formation using a drill-in fluid that comprises an aqueous fluid and a water-based consolidating emulsion and using...
US20110253454 MECHANICALLY MODIFIED FILTER CAKE  
A down hole tool including a compression surface, a compression surface axis, and at least one support member configured to attach the compression surface to a well drilling tool assembly, wherein...
US20140303049 Process for Treating an Underground Formation  
The present invention relates to processes for consolidating an underground formation with a consolidating mineral. The consolidating material is a carbonate and is produced from an alkaline...
US20060231255 Methods of using a polymeric precipitate to reduce the loss of fluid to a subterranean formation  
Methods are provided for reducing the loss of a wellbore servicing fluid to a subterranean formation. A polymeric solution and an activator may be contacted in the formation, thereby forming a...
US20100155067 Systems and methods for using a passageway through subterranean strata  
Systems and methods usable to urge a passageway through subterranean strata, place protective lining conduit strings between the subterranean strata and the wall of said passageway without...
US20130206479 DRILLING FLUID AND METHOD FOR DRILLING IN COAL-CONTAINING FORMATIONS  
A drilling fluid and method for drilling in a coal containing formation. The method includes: providing a mixed metal-viscosified drilling fluid including at least 0.05% calcium sulfate;...
US20150021098 BREAKER FLUIDS FOR WELLBORE FLUIDS AND METHODS OF USE  
Compositions for controlling fluid loss may include an aqueous fluid, a viscosifier, a water soluble polar organic solvent, a delayed acid source, and a weighting agent. The composition may...
US20070169936 Compositions and methods for treating lost circulation  
A cement system for use in treating lost circulation includes a slurry of cement, water and a super-absorbent polymer which absorbs free water in the slurry to form a gel—ore preferably a...
US20150114646 TRIGGERED HEATING OF WELLBORE FLUIDS BY CARBON NANOMATERIALS  
A method of triggering heating within a subterranean formation, that includes introducting a wellbore fluid containing a dispersed carbon nanomaterial into a wellbore through the subterranean...
US20100193244 Drilling Fluid Additive for Reducing Lost Circulation in a Drilling Operation  
Generally, the present invention provides drilling fluid additives for reducing or controlling lost circulation in a drilling operation. The additives comprises particles. The particles comprise...
US20120160485 Treatment of Subterranean Formations  
A method of preparing and using a subterranean formation stabilization agent. The stabilization agent includes a guanidyl copolymer and may be admixed with a fracturing fluid and optionally brine....
US20150126415 DRILLING FLUIDS WITH NANO AND GRANULAR PARTICLES AND THEIR USE FOR WELLBORE STRENGTHENING  
There is described a drilling fluid for wellbore strengthening having nanoparticles and granular particles. In one aspect described herein, the drilling fluid is an invert emulsion based fluid. In...
US20170174975 EMULSIFIERS FOR WELLBORE STRENGTHENING  
Methods may include drilling at least a section of a wellbore using an invert emulsion wellbore fluid, where the invert emulsion wellbore fluid may contain an emulsifier, a first wellbore...
US20170166794 FILTER CONTROL HPHT ADDITIVE FOR OIL-BASED DRILLING FLUIDS WITH PETROLEUM COKE  
A method for controlling filtration loss during drilling to a downhole hydrocarbon bearing formation by drilling with a drilling fluid containing a filtration control additive that is made up of...
US20170158941 ENVIRONMENTALLY FRIENDLY WELLBORE CONSOLIDATING/FLUID LOSS MATERIAL  
As disclosed herein, an oil-based fluid includes an oleaginous continuous phase, a non-oleaginous discontinuous phase, and a plurality of psyllium seed husks.
US20170152428 COMPOSITONS AND METHODS FOR CURING LOST CIRCULATION  
Adding shapeable particles to drilling fluids may be useful for curing lost circulation. When the shapeable particles are pumped downhole through the drillpipe and the drillbit, they may deform...
US20170145296 WATER-BASED WELLBORE SERVICING FLUIDS WITH HIGH TEMPERATURE FLUID LOSS CONTROL ADDITIVE  
A method for reducing fluid loss from a water-based wellbore servicing fluid is disclosed. The method includes preparing a fluid loss control additive that is substantially stable even at a high...
US20170145283 Expandable Coating for Solid Particles and Associated Methods of Use in Subterranean Treatments  
A variety of methods and compositions are disclosed, including, in one embodiment, a method of treating a subterranean formation comprising: providing coated particles, wherein the coated...
US20170121586 Polymer-Based Drilling Fluids Containing Non-Biodegradable Materials And Methods For Use Thereof  
Polymer-based drilling fluids may be used as an alternative to drilling fluids containing bentonite or other clay materials, although filter cake formation with polymer-based drilling fluids can...
US20170058179 METHOD FOR MAKING AND USING A DRILLING FLUID  
A drilling fluid and method for drilling in a coal containing formation. The method includes: providing a mixed metal-viscosified drilling fluid including at least 1% potassium salt; circulating...
US20170051196 VISCOSIFIERS AND FILTRATION CONTROL AGENTS FOR USE IN HIGH TEMPERATURE SUBTERRANEAN OPERATIONS  
Treatment fluids comprising viscosifiers and filtration control agents that may be useful at high temperatures and methods for using the treatment fluids to treat subterranean formations are...
US20170029688 SMART FILTER CAKE FOR STRENGTHENING FORMATIONS  
A method of sealing a formation that includes drilling a wellbore through the formation while pumping a non-aqueous based wellbore fluid comprising an encapsulated first component into the...
US20170015890 SMART FILTRATE FOR STRENGTHENING FORMATIONS  
A method of sealing a formation that includes drilling a wellbore through the formation while pumping a non-aqueous based wellbore fluid comprising a first sealing component into the wellbore,...
US20170015887 SMART LCM FOR STRENGTHENING EARTHEN FORMATIONS  
Methods for treating an earthen formation may include: drilling at least a section of a wellbore using a first wellbore fluid containing a first base fluid, and a first LCM-forming component;...
US20160356107 HIGH STRENGTH, OPERATIONALLY ROBUST LOST CIRCULATION PREVENTATIVE PSEUDO-CROSSLINKED MATERIAL  
A formulation for use as a lost circulation preventive material is a cement-forming aqueous fluid comprising water, at least one viscoelastic surfactant (VES), at least one monovalent or...
US20160355723 High Density, High Strength, Acid Soluble Pseudo-Crosslinked, Lost Circulation Preventative Material  
A formulation for use as a lost circulation preventive material is a cement-forming aqueous fluid comprising water, a viscoelastic surfactant (VES), a monovalent or multivalent salt, a magnesium...
US20160319180 SELF-CROSSLINKING POLYMERS AND PLATELETS FOR WELLBORE STRENGTHENING  
Wellbore fluids, and methods of use thereof, are disclosed. Wellbore fluids may include a non-oleaginous internal phase; an oleaginous external phase; at least one two-dimensional platelet-like...
US20160319179 SELF-CROSSLINKING POLYMERS FOR WELLBORE STRENGTHENING  
Wellbore fluids, and methods of use thereof, are disclosed. Wellbore fluids may include a non-oleaginous internal phase, an oleaginous external phase, a first latex-containing copolymer comprising...
US20160312100 DATE SEED POWDER AS A FLUID LOSS ADDITIVE FOR DRILLING FLUIDS  
Date seed powder can be used as a fluid loss additive for drilling fluids by mixing a quantity of date seed powder with a volume of fluid resulting in a mixture. The date seed powder or the...
US20160230064 SURFACE TREATED LOST CIRCULATION MATERIAL  
A granular lost circulation material for use in a wellbore during drilling operations to minimize loss of drilling fluid at a lost circulation area is disclosed. The granular lost circulation...

Matches 1 - 50 out of 53 1 2 >