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| Number | Title | Issue Date |
| 8181703 | Method useful for controlling fluid loss in subterranean formations Methods that include a method comprising: providing a treatment fluid comprising an aqueous base fluid and a relative permeability modifier, wherein the relative permeability comprises a water-soluble polymer having hydrophobic or hydrophilic modification; introduci... | 05/22/2012 |
| 8141638 | Fracturing method and apparatus utilizing gelled isolation fluid A method and apparatus for fracturing a formation containing a wellbore comprising the steps of (a) injecting a gel into the wellbore; (b) permitting the gel to increase in viscosity and (c) fracturing the formation in the vicinity of the gel. ... | 03/27/2012 |
| 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 selected from the group consisting of a fatty alcohol, a fatty acid s... | 02/07/2012 |
| 8091639 | Geothermal well diversion agent formed from in situ decomposition of carbonyls at high temperature A method of selectively blocking fractures in a subterranean formation by injecting a diversion agent into the well is disclosed. According to one embodiment, the method comprises injecting a diversion agent into a subterranean formation to form an alkaline-earth ca... | 01/10/2012 |
| 8087462 | Process for transporting fracture (“FRAC”) fluid additives to oil and gas wells utilizing ion exchange resin There is disclosed a process for transporting fracture fluid additives underground to oil and gas wells by attaching a fracture fluid additive to an ion exchange resin and flowing the ion exchange resin underground and thereafter releasing the frac fluid additives f... | 01/03/2012 |
| 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 fluid leakoff. The fluid systems may include brine, a viscosity enhancer,... | 11/15/2011 |
| 8016040 | Fluid loss control A fluid loss control method uses a fluid loss control pill in a well in advance of a completion operation. An embodiment of the fluid loss control pill comprises polyester solids that are hydrolysable and can exhibit plastic deformation at formation conditions. An e... | 09/13/2011 |
| 7992640 | Organic acid treating fluids with viscoelastic surfactants and internal breakers An aqueous fluid system that contains an aqueous dicarboxylic acid solution, a viscoelastic surfactant as a gelling agent to increase the viscosity of the fluid, and an internal breaker such as mineral oil and/or fish oil to controllably break the viscosity of the f... | 08/09/2011 |
| 7934556 | Method and system for treating a subterranean formation using diversion A method well treatment includes establishing fluid connectivity between a wellbore and at least one target zone for treatment within a subterranean formation, which is intersected by a wellbore. The method includes deploying coiled tubing into the wellbore and intr... | 05/03/2011 |
| 7909099 | Well productivity enhancement methods The invention relates to oil production stimulation methods and can be used for both reservoirs with fractures resulting from the fracturing procedure and reservoirs with naturally occurring fractures, for which the fracturing procedure is not mandatory. A material ... | 03/22/2011 |
| 7870902 | Methods for allowing multiple fractures to be formed in a subterranean formation from an open hole well In some embodiments, a method of allowing a subterranean formation to be fractured from an open hole well bore section includes providing a removable coating across substantially the entire surface of the wall of the well bore section, selectively removing the coati... | 01/18/2011 |
| 7819191 | Method of fracturing a coalbed gas reservoir A method for stimulation of gas production from coal seams is described using a permeability modifier, such as a coal swelling agent, injected into the coal seams via a wellbore to reduce the permeability of the coal seams prior to a fracturing treatment. ... | 10/26/2010 |
| 7735556 | Method of isolating open perforations in horizontal wellbores using an ultra lightweight proppant An improved method for building a plug in a horizontal wellbore using a fluid pill pumped into the wellbore at the end of a fracturing treatment. The fluid pill includes a high concentration of an ultra lightweight proppant, such as a neutrally buoyant proppant or a... | 06/15/2010 |
| 7703522 | Methods of underground formation consolidation Unconsolidated formation sand in the near wellbore region may be uniformly consolidated using a system including a sodium silicate solution and a hardener, such as at least one dialkyl ester of a dicarboxylic acid. Subsequently, a low concentration acid, such as hyd... | 04/27/2010 |
| 7673686 | Method of stabilizing unconsolidated formation for sand control The invention provides a method for treating a subterranean formation penetrated by a wellbore. The method comprises the steps of: (a) introducing a composition through the wellbore into the subterranean formation, wherein the composition comprises: (i) a solvent co... | 03/09/2010 |
| 7647969 | Method for growth of a hydraulic fracture along a well bore annulus and creating a permeable well bore annulus A method for growth of a hydraulic fracture or a tall frac is described wherein the tall frac is disposed next to a well bore using a sandpacked annulus. Also, a method for creating a permeable well bore annulus is disclosed. The method for creating the tall frac in... | 01/19/2010 |
| 7640982 | Method of injection plane initiation in a well Initiation of injection planes in a well. A method of forming at least one generally planar inclusion in a subterranean formation includes the steps of: expanding a wellbore in the formation by injecting a material into an annulus positioned between the wellbore and... | 01/05/2010 |
| 7575054 | 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 concentrated in the formation so that the fluid system gels. The flui... | 08/18/2009 |
| 7520327 | Methods and materials for subterranean fluid forming barriers in materials surrounding wells Disclosed is a method and material for forming a fluid barrier in the material surrounding a wellbore. The method involves temporarily opening a fracture extending from the wellbore and then depositing particulates in the fracture which will swell when exposed to th... | 04/21/2009 |
| 7510004 | Method for treating an underground formation A swellable polymer gel composition for use in subterranean formations. The composition comprises water, a water soluble polymer, a water soluble crosslinking system and a swelling agent. The crosslinking system may be either a redox system or a chelating system. Th... | 03/31/2009 |
| 7500519 | Methods of modifying fracture faces and other surfaces in subterranean formations Provided are methods of modifying the stress-activated reactivity of subterranean fracture faces and other surfaces in subterranean formations. In one embodiment, the methods comprise: providing a treatment fluid that comprises a base fluid and a surface-treating re... | 03/10/2009 |
| 7441598 | Methods of stabilizing unconsolidated subterranean formations Methods of stabilizing unconsolidated portions of a subterranean formation are provided. In one embodiment, the methods comprise: creating or enhancing at least two slots in an unconsolidated portion of a subterranean formation along a well bore, wherein the slots a... | 10/28/2008 |
| 7422060 | Methods and apparatus for completing a well Methods and tools are described to reduce sanding including the steps of fracturing the cement sheath in a localized zone around the casing and having the fractured zone act as sand filter between the formation and openings in the casing, with the openings being bes... | 09/09/2008 |
| 7413010 | Remediation of subterranean formations using vibrational waves and consolidating agents Methods of remediating a subterranean formation comprising directing vibrational waves at a portion of the subterranean formation containing fines; allowing the vibrational waves to displace at least a portion of the fines; and introducing a consolidating agent into... | 08/19/2008 |
| 7401649 | Methods for controlling particulate migration Methods are provided for stabilizing a portion of a subterranean formation or reducing the production of particulates from a portion of a subterranean formation comprising contacting the portion of the subterranean formation with a pre-flush fluid; contacting the po... | 07/22/2008 |
| 7398825 | Methods of controlling sand and water production in subterranean zones Methods for stabilizing portions of a subterranean formation and controlling the production of water from those subterranean formations. In one embodiment, the methods of the present invention comprise: providing a consolidating agent; introducing the consolidating ... | 07/15/2008 |
| 7380600 | Degradable material assisted diversion or isolation A method for well treatment by forming a temporary plug in a fracture, a perforation, a wellbore, or more than one of these locations, in a well penetrating a subterranean formation is provided, in which the method of well treatment includes: injecting a slurry comp... | 06/03/2008 |
| 7363978 | Methods of using reactive surfactants in subterranean operations Novel uses of reactive surfactants in treating subterranean formations and/or proppant particulates are provided. In one embodiment, the present invention provides a method comprising: providing a treatment fluid that comprises a base fluid and a reactive surfactant... | 04/29/2008 |
| 7360595 | Method and system for underground treatment of materials A method for underground treatment of subsurface materials comprises providing an injection pattern and a recovery pattern, the injection pattern and the recovery pattern located proximate to a subsurface treatment zone and at least one of the injection pattern and ... | 04/22/2008 |
| 7360599 | Debris reduction perforating apparatus and method for use of same A perforating apparatus (100) includes a plurality of shaped charges (102) each having a case, an initiation end and a discharge end. A detonating cord (116) is operably associated with the initiation ends of the shaped charges (102). An ... | 04/22/2008 |
| 7358215 | Quaternary ammonium salts as thickening agents for aqueous systems This invention relates to the use of alkyl amido quaternary ammonium salts, and formulations thereof, as thickening agents in aqueous based fluids, especially those used in oil field applications. The quaternary ammonium salts of the present invention exhibit improv... | 04/15/2008 |
| 7353868 | Wireline coupler A wireline coupler, for use in oil wells and gas wells to connect a perforating gun to the wireline from which the perforating gun is suspended, is designed to eliminate jamming of the wireline between the casing and the perforating gun when the perforating gun is p... | 04/08/2008 |
| 7353876 | Self-degrading cement compositions and methods of using self-degrading cement compositions in subterranean formations Methods of stimulating subterranean formations are provided. More particularly, methods of fracturing subterranean formations using a fracturing fluid comprising a self-degrading cement composition are provided. An example of a method is a method of treating a subte... | 04/08/2008 |
| 7350571 | Methods of preparing and using coated particulates The present invention involves methods of preparing coated particulates and using such coated particulates in subterranean applications such as production enhancement and sand control. One embodiment of the present invention provides a method of preparing coated par... | 04/01/2008 |
| 7351681 | Well bore servicing fluids comprising thermally activated viscosification compounds and methods of using the same Well bore servicing fluids are provided that include a thermally activated viscosification compound. Further, methods of servicing a well bore are provided that include displacing such a servicing fluid into the well bore, wherein a viscosity of the servicing fluid ... | 04/01/2008 |
| 7348894 | Method and apparatus for using a data telemetry system over multi-conductor wirelines A data telemetry system for multi-conductor wirelines to enhance transmission of analog and digital signals with frequency content up to 100 kHz by assigning at least two conductors to a first terminal of a data transmittal means and to a first terminal of a data re... | 03/25/2008 |
| 7343973 | Methods of stabilizing surfaces of subterranean formations A method of treating a subterranean formation or of stabilizing a surface within a subterranean fracture comprising: providing a treatment fluid comprising lightweight proppant at least partially coated with an adhesive substance; introducing the treatment fluid int... | 03/18/2008 |
| 7341104 | Methods of using substantially hydrated cement particulates in subterranean applications Fracturing fluids comprising a base fluid and substantially hydrated cement particulates. Methods of fracturing a subterranean formation comprising fracturing the subterranean formation so as to create or enhance one or more fractures in the subterranean formation; ... | 03/11/2008 |
| 7341980 | Viscoelastic surfactant rheology modification A method for shortening the shear recovery time of zwitterionic viscoelastic surfactant fluids by adding a rheology enhancer having the structure: R-(EO)x(PO)y—R′—OH in which R is an alkyl group that is straight chaine... | 03/11/2008 |
| 7337841 | Casing comprising stress-absorbing materials and associated methods of use The present invention relates to subterranean drilling and well completion operations, and more particularly, to improved casing that comprises stress-absorbing materials and associated methods of use. In some embodiments, the present invention discloses methods of ... | 03/04/2008 |
