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8181702 |
Application of degradable fibers in invert emulsion fluids for fluid loss control
A method of treating a subterranean formation including emplacing in a wellbore a fluid, comprising an oleaginous continuous phase, a non-oleaginous discontinuous phase, an emulsifier, at least one...
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8176978 |
Method for optimizing in-situ bioconversion of carbon-bearing formations
Processes relating to the production of methane, carbon dioxide, gaseous and liquid hydrocarbons, and other valuable products from subterranean carbon bearing formations, in-situ, are disclosed. In...
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8167045 |
Methods and compositions for stabilizing formation fines and sand
Methods comprising providing a polymerizable treatment fluid that comprises furfuryl alcohol monomer dispersed in an aqueous base fluid; introducing the polymerizable treatment fluid to a portion...
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8162056 |
Application of degradable fibers in invert emulsion fluids for kill pills
A method of treating a subterranean formation includes pumping into a cased, perforated wellbore that intersects the formation an invert emulsion kill fluid, the invert emulsion kill fluid...
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8147679 |
Process and system improvement for improving and recuperating waste, heavy and extra heavy hydrocarbons
A continuous process for upgrading a heavy hydrocarbon includes the steps of: obtaining a heavy hydrocarbon; heating the heavy hydrocarbon; contacting the heavy hydrocarbon with a solvent at...
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8146666 |
Surfactant method for improved oil recovery from subterranean reservoirs
A method to enhance oil recovery from a subterranean reservoir, the reservoir being accessible via a production well. The method includes injecting a surfactant solution that includes surfactants...
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8119576 |
Ceramic coated particulates
Treatments and compounds useful in subterranean formations are discussed, with particular attention to those utilizing ceramic coated particulates. Certain embodiments pertain to particulates and...
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8101812 |
Extraction of hydrocarbons from hydrocarbon-containing materials
Solvents and methods are provided for extracting a hydrocarbon fraction from a solid, semi-solid, liquid or viscous liquid hydrocarbon-containing material.
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8096361 |
Stimulated oil production using reactive fluids
A method of stimulating production from a subterranean formation penetrated by a wellbore, comprising pumping a fluid from the well into the formation so as to create a hydraulic fracture. The...
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8091638 |
Methods useful for controlling fluid loss in subterranean formations
Methods of controlling fluid loss in a subterranean formation comprising: providing a treatment fluid comprising an aqueous fluid and a fluid loss control additive comprising a water-soluble...
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8066073 |
Methods of limiting leak off and damage in hydraulic fractures
Methods for treating a formation penetrated by a wellbore which improves fluid loss control during treatment. In some aspects, the treatments include preparing an aqueous fluid including one or...
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8056630 |
Methods of using viscoelastic surfactant gelled fluids to pre-saturate underground formations
Viscoelastic surfactant (VES) based fluid systems are effective to pre-saturate high permeability subterranean formations prior to a treatment operation that would undesirably suffer from high...
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8053397 |
Using nanoparticles for water flow control in subterranean formations
Non-aqueous carrier fluids containing nano-sized particles in high concentration are effective for zone isolation and flow control in water shutoff applications for subterranean formations. The...
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8047288 |
Proppants with carbide and/or nitride phases
Proppants used to prop open subterranean formation fractions. Proppant formulations using one or more proppants. Methods to prop open subterranean formation fractions and other uses for the...
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8047289 |
Methods of using particulates in subterranean operations
Among the methods described herein are methods using low-specific gravity particulates wherein the particulates comprise silica and an aluminum oxide in an amount of about 0.1% to about 25% by...
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8043997 |
Lost circulation material formulation and method of use
A lost circulation material and method for well treatment employing the material that is effective at sealing or plugging small fissures and large fractures and has utility over a wide range of...
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8037937 |
Method and a device for solvent injection in a subsurface well
A method and a device for solvent injection in a subsurface well (1) where the solvent flows towards the formation wall (4) of the subsurface well (19) via a releasable duct (8).
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8020617 |
Well treatment to inhibit fines migration
A method of treating a formation with a well treatment fluid comprising a clay stabilizer comprising a polyamine ether before or during a well treatment such as cleanup, gravel packing, fracturing,...
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8016039 |
Method of reducing water influx into gas wells
A method of reducing water influx into a wellbore, wherein the wellbore is in fluid communication with a subterranean formation such as a gas producing formation or gas reservoir. The method...
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8016041 |
Treatment for recycling fracture water gas and oil recovery in shale deposits
A method and apparatus for hydrocarbon recovery and/or treatment of frac water includes introducing a volume of water into a formation, recovering the introduced water, with the recovered...
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8002038 |
Liquid carbon dioxide cleaning of wellbores and near-wellbore areas using high precision stimulation
The invention relates to cleaning wellbores and the near wellbore areas adjacent to a hydrocarbon bearing formations and coal bed methane formations. In a particular aspect, the invention relates...
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7997342 |
Subterranean treatment fluids comprising viscoelastic surfactant gels
Among many things, in some embodiments, improved viscoelastic surfactant gels that comprise non-aqueous tackifying agents, and their associated methods of use, are provided. In one embodiment, the...
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7992641 |
Method and apparatus for on-site nitrate production for a water processing system
An electric plasma arc apparatus and method produces nitrogen compounds, solely using ambient air extracted in proximity to the apparatus. The nitrogen compounds are brought into contact with a...
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7987912 |
Reversible polymeric gelation for oilfield applications
A subterranean location accessed via a wellbore is treated with an oilfield fluid containing a viscosifying agent which is a polymer and a cross-linking agent which can undergo the Diels-Alder...
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7987910 |
Methods for manipulation of the flow of fluids in subterranean formations
A method of treating a subterranean formation penetrated by a wellbore to mitigate the production of unwanted fluids from the wellbore is carried out by forming a treatment fluid containing at...
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7963338 |
Methods to treat produced water
Methods are disclosed to treat produced water from hydrocarbons production facilities. The disclosed methods can be used to either: (1) de-NORM produced water; or (2) de-NORM and partially de-salt...
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7956017 |
Aggregating reagents, modified particulate metal-oxides and proppants
A method for treating solid materials is disclosed, where the treating compositions coats surfaces or portions of surfaces of the solid materials changing an aggregation or agglomeration propensity...
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7943058 |
Tagged scale inhibiting polymers, compositions comprised thereof and preventing or controlling scale formation therewith
Tagged scale-inhibiting polymers, compositions comprised thereof and preventing or controlling scale formation therewith, the tagging units being units deriving from a monomer having the formula...
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7931084 |
Methods for treating a subterranean formation by introducing a treatment fluid containing a proppant and a swellable particulate and subsequently degrading the swellable particulate
A method is provided for treating at least a portion of a subterranean formation. The method includes the steps of: (a) introducing a treatment fluid into the subterranean formation, wherein the...
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7931082 |
Method and system for centralized well treatment
A method of servicing multiple well locations from a central location that includes the steps of configuring a central location for distribution of well development task fluids to centralized...
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7886822 |
System, method, and apparatus for acid fracturing with scale inhibitor protection
A method for treating a subterranean formation includes forming a treatment fluid including a carrier fluid, a solid acid-precursor, and a solid scale inhibitor. The solid acid-precursor includes a...
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7866393 |
Swellable elastomers and associated methods
Methods are provided that include a method of reducing fluid loss in a subterranean formation comprising placing a lost circulation composition comprising a base fluid and a swellable elastomer in...
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7861780 |
Method of treating subterranean formations with porous particulate materials
Methods and compositions useful for subterranean formation treatments, such as hydraulic fracturing treatments and sand control that include porous materials. Such porous materials may be...
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7857057 |
Method of fracturing hydrocarbon-bearing formation with coated porous polyolefin particulate
Methods and compositions useful for subterranean formation treatments, such as hydraulic fracturing treatments and sand control that include porous materials. Such porous materials may be...
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7851415 |
Adaptive cementitious composites for well completions
An adaptive cementitious composite composition, comprising: a coarse particulate material such as sand or proppant; a series of other particulate or fibrous materials; and a carrier fluid; the sand...
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7841411 |
Use of polyimides in treating subterranean formations
A method of treating a subterranean formation penetrated by a wellbore is carried out by forming a treatment fluid comprising an aqueous carrier fluid and a solid-form polyimide homopolymer or...
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7832478 |
Methods for manipulation of air flow into aquifers
A method of treating a subterranean formation penetrated by a wellbore to mitigate the production of unwanted air from the wellbore is carried out by forming a treatment fluid containing a...
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7828061 |
Method and apparatus for on-site nitrate production for a water processing system
An electric plasma arc apparatus and method produces nitrogen compounds, solely using ambient air extracted in proximity to the apparatus. The nitrogen compounds are brought into contact with a...
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7810563 |
Method of controlling water condensation in a near wellbore region of a formation
A method for controlling water condensation in the pores of a near wellbore region of a permeable formation through which wet natural gas flows into an inflow section of an oil and/or gas...
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7798222 |
Expandable fluid cement sand control
A system for preventing the migration of unconsolidated and/or loosely consolidated material into a wellbore. Such prevention is accomplished by introducing a well treatment medium comprising an...
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7789159 |
Methods to de-sulfate saline streams
Methods are disclosed to de-sulfate saline streams such as seawater, brine from seawater desalination plants, and the like. The disclosed methods can also co-produce de-ionized water and inorganic...
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7770644 |
Self diverting matrix acid
A method is described for treating a subterranean formation with a low viscosity fluid system that contains a viscoelastic surfactant at a concentration too low to viscosify the fluid, but that is...
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7753123 |
Method for treating a subterranean formation
Acidizing methods for subterranean formations formed of predominantly siliceous material as well as acidizing compositions. Some methods include injecting into a predominantly siliceous...
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7748452 |
Polymeric microspheres as degradable fluid loss additives in oilfield applications
A method of plugging a fracture in a subterranean formation which includes placing into the fracture a composition comprising microspheres or microbeads, wherein the microspheres are created by...
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7730958 |
Method and apparatus to enhance hydrocarbon production from wells
This invention teaches methods and compositions to enhance oil and gas recovery from reservoirs. The methods and compositions disclosed enhance hydrocarbon recovery and fluid disposal in...
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7726404 |
Use of carbon-dioxide-based fracturing fluids
A method of treating a shale-containing subterranean formation penetrated by a wellbore is accomplished by forming a carbon dioxide treatment fluid having a viscosity of less than about 10 mPa-s at...
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7721803 |
Nano-sized particle-coated proppants for formation fines fixation in proppant packs
A fracturing fluid, gravel pack fluid and/or frac pack fluid containing particles such as proppants, gravel and/or sand, may contain an effective amount of a nano-sized particulate additive to...
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7717180 |
Swellable elastomers and associated methods
Methods are provided that include a method of reducing fluid loss in a subterranean formation comprising placing a lost circulation composition comprising a base fluid and a swellable elastomer in...
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7713916 |
Orthoester-based surfactants and associated methods
Provided are treatment fluids that comprise a base fluid and an orthoester-based surfactant. In some instances, the treatment fluid may have a pH of about 8.5 or greater. Also provided are...
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7703521 |
Polymeric microspheres as degradable fluid loss additives in oilfield applications
Methods and apparatus for forming a fluid for use within in a subterranean formation including crosslinking a polymer along the surface of microspheres in a water-in-water emulsion and introducing...
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