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| Number | Title | Issue Date |
| 8176984 | Systems and methods for downhole sequestration of carbon dioxide Carbon dioxide is sequestered in a formation using dual or multiple completion and injection methods that reduce or eliminates upward leak rates of the sequestered carbon dioxide. The dual or multiple completion and injection method involves the injection of a benig... | 05/15/2012 |
| 8167046 | Method and apparatus to hydraulically bypass a well tool Apparatuses and methods to communicate with a zone below a subsurface safety valve (104, 204) independent of the position of a closure member (106) of the safety valve are disclosed. The apparatuses and methods include deploying a subsurface safety val... | 05/01/2012 |
| 8151885 | Erosion resistant flow connector A wellbore servicing apparatus, comprising an inlet space, a central space adjacent and in fluid communication with the inlet space along a central axis, a dome space adjacent and in fluid communication with the central space along the central axis, and a plurality ... | 04/10/2012 |
| 8146665 | Apparatus and method for maintaining boost pressure to high-pressure pumps during wellbore servicing operations A wellbore services manifold trailer comprising a blender connector configured to couple to a blender, a boost pump coupled to the blender connector, a high-pressure pump suction connector coupled to the boost pump and configured to couple to a high-pressure pump, a... | 04/03/2012 |
| 8141640 | System, method and apparatus for enhancing wellbore treatment fluid flexibility A method includes performing a chemical process to create a chemical product and an amount of heat, and transferring the heat to a first fluid. The method further includes hydrating a polymer in the first fluid, and adding the chemical product from the chemical proc... | 03/27/2012 |
| 8122961 | Apparatus and method for discharging multiple fluids downhole An apparatus and a method are provided for discharging a plurality of fluids downhole. In one aspect, the apparatus may include a first chamber and a second chamber separated by movable barrier, wherein draining the fluid from the first chamber causes the barrier to... | 02/28/2012 |
| 8113284 | Use of distributed temperature sensors during wellbore treatments The invention relates to a method for treating subterranean formation comprising providing distributed temperature sensors, injecting a treatment fluid and monitoring the temperature across the treatment interval during the injection process. ... | 02/14/2012 |
| 8069923 | Top suction fluid end A positive displacement wellbore servicing pump having a power end and a fluid end is disclosed. The fluid end has a main chamber and a suction bore in fluid connection with the main chamber and the suction bore has a suction central axis vector. A discharge bore is... | 12/06/2011 |
| 8066071 | Diverter valve Apparatus for multi-zone wellbores that can by-pass upper hydrocarbon bearing zones and deliver fluid to lower hydrocarbon bearing zones. The apparatus can include at least one housing, and at least one port can be formed through the housing. An inner sleeve can be ... | 11/29/2011 |
| 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). ... | 10/18/2011 |
| 7950461 | Screened valve system for selective well stimulation and control A well system includes a valve interconnected in a casing string and selectively configurable between first and second configurations via a line external to the casing string, the valve in the first configuration being operable to selectively permit and prevent flui... | 05/31/2011 |
| 7938187 | Dual functional components and associated methods Some of the methods provided comprise the steps of: providing an aqueous treatment fluid that comprises a polysaccharide and a dual functional component, the aqueous treatment fluid having a first viscosity; allowing the dual functional component to interact with th... | 05/10/2011 |
| 7886826 | Gel capsules for solids entrainment A method for treating a subterranean wellbore. More specifically, a method for removing wellbore solids. A first, polymer containing fluid is placed in the solids bed. A second, viscosifying fluid is then placed into the solids bed thereby agitating the solids in th... | 02/15/2011 |
| 7874365 | Methods and devices for treating multiple-interval well bores Methods and devices are provided for treating multiple interval well bores. More particularly, an isolation assembly may be used to allow for zonal isolation to allow treatment of selected productive or previously producing intervals in multiple interval well bores.... | 01/25/2011 |
| 7861786 | Method and apparatus for fluid bypass of a well tool Apparatuses and methods to inject chemical stimulants (284) to a production zone (102, 202) through a string of production tubing (110, 210) around a downhole obstruction are disclosed. The apparatuses and methods include deploying an anchor sea... | 01/04/2011 |
| 7806184 | Fluid operated well tool A well tool is operable to receive a flow of fluid. The well tool includes a first hydraulic area on which the fluid acts tending to move a first body to substantially seal against passage of fluid through an aperture. A second, larger hydraulic area is provided on ... | 10/05/2010 |
| 7802623 | Method and a device for destruction of organic material in injection water A method and a device (2) for destruction of organic material in injection water for an injection well (4), in which a means (10) for introduction of water in the injection well (4), and at least one electrochemical cell (16) with ... | 09/28/2010 |
| 7784544 | Method of treating a subterranean formation using a rheology model for fluid optimization Subterranean formation treatment methods incorporating a rheology model which enables prediction of fluid rheology properties during a treatment operation, where the foundation of the model is a description of the reaction chemistry which describes how the number of... | 08/31/2010 |
| 7762333 | Hydraulically openable ported sub A ported sub comprising: a tubular body including a wall and ends formed for installation in a wellbore tubular string; a first port through the wall; a second port through the wall; a first hydraulically openable sliding sleeve for the controlling the open and clos... | 07/27/2010 |
| 7757768 | Method and composition for enhancing coverage and displacement of treatment fluids into subterranean formations A method of injecting a treatment fluid into a portion of a subterranean formation, comprising providing a treatment fluid having a viscosity; determining the breakdown pressure of the portion of the subterranean formation; calculating the maximum sustainable flow r... | 07/20/2010 |
| 7757769 | Wellbore and reservoir treatment device and method A modular wellbore treatment system having a reservoir for holding wellbore/reservoir treatment material, a pump for pressurizing and delivering the wellbore/reservoir treatment fluid, and a sealing section for creating a localized pressurized zone proximate to a re... | 07/20/2010 |
| 7740071 | Clay control additive for wellbore fluids A clay stabilizer which is capable of inhibiting swelling in a wide variety of clay types and is also capable of restoring permeability in formations which have previously been damaged by clay swelling. Amine salts of differing molecular weights configurations and i... | 06/22/2010 |
| 7735557 | Wireline slip hanging bypass assembly and method Bypass assembly 100 includes stinger 150 received by receptacle bore 172 of tubular receiver 120 attached to tube 106. Bypass pathway 140 connects stinger port(s) (158, 158′) to slip hanger 122 supported hydr... | 06/15/2010 |
| 7730950 | Methods for treating intervals of a subterranean formation having variable permeability Methods of using water-soluble hydrophobically modified polymers to treat intervals of a subterranean formation having variable permeabilities. An exemplary embodiment provides a method of treating an interval of a subterranean formation having a permeability that v... | 06/08/2010 |
| 7726402 | Methods for downhole sequestration of carbon dioxide Carbon dioxide is sequestered in a formation using a dual completion and injection method that reduces or eliminates upward leak rates of the sequestered carbon dioxide. The dual completion and injection method involves the injection of a benign fluid such as brine ... | 06/01/2010 |
| 7721805 | Method and apparatus to hydraulically bypass a well tool Apparatuses and methods to communicate with a zone below a subsurface safety valve (104, 204, 404) independent of the position of a closure member (106) of the safety valve. The apparatuses and methods include deploying a subsurface safety valve (10... | 05/25/2010 |
| 7712534 | Treatment fluids having biocide and friction reducing properties and associated methods Methods and compositions that include a method comprising providing a treatment fluid that comprises an aqueous base fluid, a biocide, a biocide enhancer, a friction reducer, and a compatibility aid, and introducing the treatment fluid into a subterranean formation.... | 05/11/2010 |
| 7703529 | Gel capsules for solids entrainment Disclosed are methods of treating a producing well by removing wellbore solids. Accordingly, a first, polymer containing fluid is placed in the solids bed, and a second, viscosifying fluid is then placed into the solids bed thereby agitating the solids in the bed an... | 04/27/2010 |
| 7637322 | Methods and compositions for enhancing guar hydration rates and performing guar derivitization reactions One embodiment of the present invention provides a method of treating guar splits comprising exposing guar splits to a treatment chemical to create treated guar splits; and then, without first washing the treated guar splits, grinding the treated guar splits; and, t... | 12/29/2009 |
| 7624803 | Injection apparatus for injecting an activated fluid into a well-bore and related injection method An injection apparatus for injecting an activated fluid and an activated chemical fluid mixture into a well-bore is disclosed. Then, an injection method for injecting an activated fluid into a well-bore is also disclosed. A particular application to the oilfield ind... | 12/01/2009 |
| 7621334 | Acidic treatment fluids comprising scleroglucan and/or diutan and associated methods In one embodiment, a method is provided comprising: providing an acidic treatment fluid that comprises a gelling agent that comprises an aqueous base fluid, an acid, and a gelling agent that comprises scleroglucan and/or diutan; and introducing the acidic treatment ... | 11/24/2009 |
| 7617873 | System and methods using fiber optics in coiled tubing Apparatus having a fiber optic tether disposed in coiled tubing for communicating information between downhole tools and sensors and surface equipment and methods of operating such equipment. Wellbore operations performed using the fiber optic enabled coiled tubing ... | 11/17/2009 |
| 7575057 | Polymeric gel system and use in hydrocarbon recovery Coacervate gels having excellent shear viscosities and other properties are made with anionic or cationic polymers, a smaller amount of a surfactant having a charge opposite that of the polymer, and a hydrophobic alcohol. The Zeta Potential of the gel is maintained ... | 08/18/2009 |
| 7543644 | Concentrated suspension of particulate additives for fracturing and other fluids The handling, transport and delivery of particulate materials, particularly fine particles, may be difficult. Alkaline earth metal oxide particles such as magnesium oxide (MgO) may be suspended in glycerin and/or alkylene glycols such as propylene glycol up to loadi... | 06/09/2009 |
| 7543645 | Method for servicing a well bore using a mixing control system A method for servicing a well bore comprises connecting a mixing system to the well bore, controlling the mixing system to produce a material mixture with approximately a desired density, and controlling the mixing system to provide the material mixture to the well ... | 06/09/2009 |
| 7543646 | Suspension of concentrated particulate additives containing oil for fracturing and other fluids The handling, transport and delivery of particulate materials, particularly fine particles, may be difficult. Alkaline earth metal oxide particles such as magnesium oxide (MgO) may be suspended in glycerin and/or alkylene glycols such as propylene glycol up to loadi... | 06/09/2009 |
| 7497262 | High performance water-based drilling mud and method of use A method of forming a subterranean well and a method of reducing the swelling of shale clay during the drilling of the subterranean well. The method features the use of a water based drilling fluid, wherein the drilling fluid is formulated to include: an aqueous bas... | 03/03/2009 |
| 7484565 | Methods and apparatus for injecting fluids at a subterranean location in a well Disclosed are retrievable through-tubing tools and methods for use in wellbores to inject fluids at subterranean locations wherein the tool have spaced foamed seal elements that are retracted during installation and expand when in use. ... | 02/03/2009 |
| 7478676 | Methods and devices for treating multiple-interval well bores Methods and devices are provided for treating multiple interval well bores. More particularly, an isolation assembly may be used to allow for zonal isolation to allow treatment of selected productive or previously producing intervals in multiple interval well bores.... | 01/20/2009 |
| 7475729 | Method for construction and completion of injection wells A method for well construction and completion is disclosed. Generally the method comprises the steps of 1) drilling through an injection zone, 2) positioning an extendable permeable element on the casing capable of stopping formation material from entering the well ... | 01/13/2009 |
