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8905134 Wellbore servicing compositions and methods of making and using same  
A method of servicing a wellbore comprising identifying lost circulation zone within a wellbore; and placing in the wellbore a composition comprising a wax and a water-based mud wherein placement...
8887809 Treatment fluids comprising transient polymer networks  
Treatment fluid compositions may comprise transient polymer networks for use in methods related to subterranean applications. In one aspect, a method may include providing a treatment fluid...
8820405 Segregating flowable materials in a well  
A method of segregating flowable materials in conjunction with a subterranean well can include segregating flowable cement from a fluid by placing a flowable barrier substance between the cement...
8813873 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...
8813874 Method for servicing subterranean wells  
Methods for sealing voids and cracks in subterranean-formation rock that contains carbonate minerals, thereby minimizing or stopping fluid flow between the formation rock and the wellbore of a...
8813842 Particles comprising blocked isocyanate resin and method of modifying a wellbore using the same  
A plurality of solid particles including a thermoplastic composition having a softening temperature in a range from 50° C. to 180° C. and a blocked isocyanate resin; optionally at least some of...
8807244 Method and apparatus for strengthening a wellbore  
Embodiments include drilling through a formation using a drill bit conveyed by a tubular string having an outer diameter at least 70 percent of the wellbore being drilled. The formation is drilled...
8776882 Engineered fibers for well treatments  
Mixtures of fibers and solid particles are effective for curing fluid losses and lost circulation in a subterranean well. Stiff fibers are more effective than flexible ones; however, mixtures of...
8726990 Lost-circulation material made from a recycled ceramic  
A composition comprises: a treatment fluid comprising a lost-circulation material, wherein the lost-circulation material comprises a ceramic, and wherein the lost-circulation material has a median...
8689869 Method for providing thixotrophy to fluids downhole  
An encapsulated thixotropy agent may be added to aqueous well service fluids. Such fluids include drilling fluids, cement slurries and polymer pills. The well service fluid may be subjected to...
8672058 Method for repairing aberrations along a drill bore wall  
The invention provides a system for adapting an HVAC system in an existing building for utilizing geothermal energy, the system comprising an incoming flux of geothermal energy; a plurality of...
8627888 Settable compositions containing metakaolin having reduced portland cement content  
Of the many compositions and methods provided herein, one method includes providing a settable fluid that comprises an aqueous-based medium, a lime composition, and a cementitious blend that...
8613319 Lost-circulation material made from a recycled material containing asphalt  
A composition comprises: a treatment fluid comprising a lost-circulation material, wherein the lost-circulation material comprises asphalt, and wherein the lost-circulation material has a median...
8607895 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...
8592350 Surfactant additives used to retain producibility while drilling  
Of the many embodiments provided herein, one embodiment includes a method comprising: providing a drilling fluid comprising: an aqueous fluid; and a surfactant; and drilling a well bore in a...
8563480 Subterranean bridging agents  
The present invention relates to bridging agents for use in subterranean formations, to well drill-in and servicing fluids comprising such bridging agents, and to methods of using such bridging...
8544565 Lost circulation control fluids for naturally fractured carbonate formations  
Compositions including relatively low reactivity acids and having a pH of from about 2 to about 5, mixed with viscoelastic surfactants (VESs) and internal breakers may serve as fluids, in a...
8534383 Viscosity reducer for water-based muds  
A method of reducing the viscosity of a water-based drilling fluid without requiring dilution. The method of reducing the viscosity of a water-based drilling fluid, includes: providing a...
8522898 Method for dispersing aqueous based drilling fluid for drilling subterranean boreholes  
An inhibitive water-based polymer mud system and method for using the system in drilling and in stabilizing wellbores for use in water sensitive formations as an alternative to oil-based muds or...
8507413 Methods using well drilling fluids having clay control properties  
Clay is stabilized in methods for drilling of wells and other formation treatment for hydrocarbon production by the addition to the drilling or other fluid including a choline compound together...
8479819 Method of consolidating a fracture in a formation  
A method of consolidating a fracture in a formation comprises injecting a solution of an alkali metal silicate into the formation causing the solution to react with the surfaces of the calcium...
8479817 Method and composition for curing lost circulation  
A system for curing lost circulation is made of fibers and a material able to stick fibers in a network when activated. Such activation can be temperature or pH change or both. The fibers can be...
8469118 Drilling fluid containing carbon nanotubes  
A viscoelastic drilling fluid for drilling in underground rock formations, comprising (a) an aqueous and/or organic liquid base,(b) at least one weighting agent, in particulate form, with a mass...
8459355 Radiation-induced triggering for set-on-command compositions and methods of use  
Methods of isolating a portion of a wellbore comprising placing a sealant composition into a subterranean formation after drilling of the wellbore therein and subjecting the sealant composition to...
8453735 Method and biodegradable water based thinner composition for drilling subterranean boreholes with aqueous based drilling fluid  
An inhibitive water-based polymer mud system and method for using the system in drilling and in stabilizing wellbores is disclosed for use in water sensitive formations as an alternative to...
8434568 Method and system for circulating fluid in a well system  
A method for circulating drilling fluid in a well system includes drilling a substantially vertical well bore from a surface to a subterranean zone and drilling an articulated well bore from the...
8401795 Methods of detecting, preventing, and remediating lost circulation  
A method for planning a wellbore, the method including defining drilling data for drilling a segment of a planned wellbore and identifying a risk zone in the segment. Additionally, the method...
8393411 Method for controlling loss of drilling fluid  
Methods for drilling and treating for lost returns continuously while drilling are provided. High fluid loss drilling fluid is used, along with particulate material that forms an immobile mass in...
8387723 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 1% potassium salt; circulating...
8381813 Methods for servicing subterranean wells  
Methods for controlling lost circulation in subterranean wells, and in particular, fluid compositions and methods for operations during which the fluid compositions are pumped into a wellbore,...
8371381 Engineered fibers for well treatments  
Mixtures of fibers and solid particles are effective for curing fluid losses and lost circulation in a subterranean well. Stiff fibers are more effective than flexible ones; however, mixtures of...
8356667 Liquid crystals for drilling, completion and production fluids  
Fluids containing liquid crystal-forming surfactants or polymeric surfactants, or polymers, or complex polymers or copolymers, or graphite nanotubes or Janus particles in a polar and/or non polar...
8307916 Controlling fluid loss in oil and gas wells  
A product, system and method for controlling fluid loss in oil wells, including lost circulation while drilling wells. A load of fluid control pods is pumped down the drill string into the target...
8297357 Acid-soluble cement compositions comprising cement kiln dust and/or a natural pozzolan and methods of use  
The present invention relates to acid-soluble cement compositions that comprise cement kiln dust (“CKD”) and/or a natural pozzolan and associated methods of use. An embodiment includes a method of...
8276663 Methods for reducing biological load in subterranean formations  
Methods of treating subterranean formations to reduce bacteria load are provided. Some methods include the steps of providing a treatment fluid, particulates, and tri-n-butyl tetradecyl...
8245783 Radiation-induced triggering for set-on-command compositions and methods of use  
The present invention relates to methods useful for isolating a portion of a wellbore. In one embodiment, a method includes preparing a sealant composition containing a set modifier component. The...
8245775 Wellbore consolidating tool for rotary drilling application  
A subpart of a drill string is described having an outer circumferential surface which is contoured and adapted to engage the wall of the borehole with a small angle of attack while exerting...
8235119 Drilling fluid and method for reducing lost circulation  
Lost circulation of drilling fluid is one of the most serious and expensive problems facing the drilling industry. The present invention relates to an improved drilling fluid for reducing or...
8220565 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....
8215393 Method for treating well bore within a subterranean formation  
The invention discloses a method of creating a polymerized composition in a well bore: providing a polymerizable composition made of a polymerization initiator and a monomer polymerizable by...
8201628 Wellbore pressure control with segregated fluid columns  
A method of controlling pressure in a wellbore can include placing a barrier substance in the wellbore while a fluid is present in the wellbore, and flowing another fluid into the wellbore while...
8162057 Radiation-induced thickening for set-on-command sealant compositions and methods of use  
The present invention includes methods relating to the setting of fluids or slurries in a wellbore. In one embodiment, a method of isolating a portion a wellbore by preparing a sealant composition...
8157010 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....
8148303 Surfactant additives used to retain producibility while drilling  
A method comprises providing a drilling fluid comprising: an aqueous fluid; and a microemulsion surfactant; and drilling a well bore in a subterranean formation comprising an oleaginous fluid...
8141637 Manipulation of flow underground  
Solid material required at a subterranean location is supplied from the surface suspended in a carrier liquid and agglomerated below ground by means of a binding liquid. To achieve agglomeration,...
8138124 Drilling fluid with circulation loss reducing additive package  
A drilling fluid includes a base fluid and a circulation loss reducing additive package having a polysaccharide, a cellulose derivative and a pH controlling component.
8132623 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...
8127866 Air injection collar  
The present invention is an air injection collar for use in the drilling industry that is used to reduce the weight of the column of returning drilling mud and debris without causing unnecessary...
RE43199 Arrangement and method for regulating bottom hole pressures when drilling deepwater offshore wells  
An arrangement and a method to control and regulate the bottom hole pressure in a well during subsea drilling at deep waters: The method involves adjustment of a liquid/gas interface level in a...
8109335 Degradable diverting agents and associated methods  
Methods and compositions that include a method comprising: providing a treatment fluid comprising at least a plurality of degradable diverting agents that comprise at least one degradable material...

Matches 1 - 50 out of 383 1 2 3 4 5 6 7 8 >