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| Number | Title | Issue Date |
| 8096934 | System for treating carbon dioxide, and method for storing such treated carbon dioxide underground The present invention provides a system for treating carbon dioxide, and a method by which such treated carbon dioxide can be stored underground at low cost and with high efficiency. The present invention' method for storing carbon dioxide underground includes: a st... | 01/17/2012 |
| 7922643 | Method for reducing the emission of green house gases into the atmosphere A method for reducing the emission of greenhouse gases, such as for example carbon dioxide, into the atmosphere above a ground surface, the method comprising injecting a gas stream comprising one or more than one greenhouse gas into a subsurface injection formation,... | 04/12/2011 |
| 7438129 | Water treatment method for heavy oil production using calcium sulfate seed slurry evaporation A process for treating produced water to generate high pressure steam. Produced water from heavy oil recovery operations is treated by first removing oil and grease. Feedwater is then acidified and steam stripped to remove alkalinity and dissolved non-condensable ga... | 10/21/2008 |
| 7428926 | Water treatment method for heavy oil production A process for treating produced water to generate high pressure steam. Produced water from heavy oil recovery operations is treated by first removing oil and grease. Pretreated produced water is then fed to an evaporator. Up to 95% or more of the pretreated produced... | 09/30/2008 |
| 7377721 | Methods for using reversible phase oil-based drilling fluid Invert emulsion compositions including an oleaginous, a non-oleaginous and an amine surfactant that are useful in the oil and gas well drilling art are disclosed. The amine surfactant is selected so that the invert emulsion can be converted form a water-in-oil type ... | 05/27/2008 |
| 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 |
| 7311839 | Removal of biological pathogens using surfactant-modified zeolite Systems and methods are described for removing biological pathogens using surfactant-modified zeolite (SMZ). A method for removing biological pathogens from a fluid or a fluid-based gel includes filtering the fluid or fluid-based gel using SMZs. A method for removin... | 12/25/2007 |
| 7285166 | Zeolite-containing cement composition Methods and cement compositions are provided for sealing a subterranean zone penetrated by a wellbore, wherein the cement composition comprises zeolite, cementitious material, and a mixing fluid. ... | 10/23/2007 |
| 7281576 | Apparatus and methods for sealing voids in a subterranean formation Downhole tools that include an outer tubing disposed around an inner tubing for placement of a sealant mixture into a void in a subterranean formation and associated methods of use are provided. Furthermore, a method is provided for preparing a cement composition, w... | 10/16/2007 |
| 7261164 | Floatable drill cuttings bag and method and system for use in cuttings disposal In aspects, embodiments of the present invention provide devices, systems and methods for managing cuttings formed during drilling of a subsea wellbore. By managing, it is meant the processing, storage, transportation and disposal of the cuttings. In an exemplary ap... | 08/28/2007 |
| 7219750 | Process and system for drilling and lining a bore hole An apparatus is provided for the drilling of a borehole and its simultaneous lining with cement or the like by the same apparatus. The apparatus comprises a combination spray head and reamer head, a means to drive the reamer head through a borehole and a means for d... | 05/22/2007 |
| 7213645 | Methods of improving well bore pressure containment integrity Methods of improving the pressure containment integrity of subterranean well bores are provided. The methods include pumping a fracture sealing composition into the well bore that rapidly converts into a high friction pressure sealing composition which is impermeabl... | 05/08/2007 |
| 7207390 | Method and system for lining multilateral wells In accordance with one embodiment of the present invention, a method for lining a lateral wellbore includes drilling a main wellbore extending from a surface to a subterranean zone, casing the main wellbore with a main casing having a plurality of lateral wellbore w... | 04/24/2007 |
| 7207395 | Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement A method and system for testing a partially formed well includes forming a first well bore intersecting a subterranean formation. The first well bore includes a portion of a planned well having a first configuration. A production characteristic of the subterranean f... | 04/24/2007 |
| 7195084 | Systems and methods for storing and handling drill cuttings Vessels for selectively holding drilling cuttings material and methods employing such vessels; the vessels, in at least certain aspects, having a body with a hollow container with an interior space for receiving drilling cuttings material and from which the material... | 03/27/2007 |
| 7165917 | Apparatus for disposal of toxic and radioactive waste A new system for underwater waste disposal is disclosed, consisting of a high-speed, hardened penetrator, optional rocket motor (or other compact propulsion device) and alternative mechanisms for eliminating water drag by surrounding the projectile with a gas layer.... | 01/23/2007 |
| 7163063 | Method and system for extraction of resources from a subterranean well bore A method for stimulating production of resources from a coal seam includes forming a drainage well bore in the coal bed that has a first end coupled to a ground surface and a second end in the coal seam. The method further includes inserting a liner into the well bo... | 01/16/2007 |
| 7150320 | Water treatment method for heavy oil production A process for treating produced water to generate high pressure steam. Produced water from heavy oil recovery operations is treated by first removing oil and grease. If necessary, the pH is then adjusted, normally downward, releasing at least some carbonate alkalini... | 12/19/2006 |
| 7137945 | Underground treatment of biowaste A method of disposal of biowaste material which comprises drilling a first section of an injection well from the ground into a porous layer, drilling a second section of the injection well from a lower terminus of the first section of the injection well into the por... | 11/21/2006 |
| 7128150 | Acid gas disposal method This invention is method of recovering gas from a gas-bearing subterranean formation in which gas is produced from an upper portion of the formation and a waste gas is injected into a lower portion of the formation to dispose of the waste gas. The waste gas is injec... | 10/31/2006 |
| 7100687 | Multi-purpose well bores and method for accessing a subterranean zone from the surface A well system includes at least two well bores extending from a surface to a subterranean zone. Each of the two well bores is used to form a well bore pattern for the subterranean zone that intersects the other well bore and transports fluid from the subterranean zo... | 09/05/2006 |
| 7097386 | Simultaneous development of underground caverns and deposition of materials A method is provided for simultaneously developing caverns while depositing wastes or other materials in them. A well is first drilled into a salt formation and the development of a salt cavern by means of solution mining is initiated. When the development of the ca... | 08/29/2006 |
| RE39244 | Acid gas disposal Acid gas is liquified by compression and cooling, mixed with water under pressure and flowed into a disposal well. ... | 08/22/2006 |
| 7086466 | Use of substantially hydrated cement particulates in drilling and subterranean applications The present invention relates to substantially hydrated cement particulates. More particularly, the present invention relates to compositions comprising substantially hydrated cement particulates and associated methods of use in drilling and subterranean application... | 08/08/2006 |
| 7080960 | Apparatus and method for transporting waste materials An apparatus for transporting solid waste drill cuttings material produced in the drilling of an oil or gas well, the apparatus including: a waste supply apparatus; a feeder to transport the material; a pneumatic conveying apparatus to which the material is transfer... | 07/25/2006 |
| 7077201 | Water treatment method for heavy oil production An evaporation based method of treating produced water from heavy oil production. A produced water from heavy oil recovery operations treated by first removing oil and grease to a desired level, preferably to about twenty parts per million, or less. If necessary, th... | 07/18/2006 |
| 7073595 | Method and system for controlling pressure in a dual well system A method for controlling pressure of a dual well system includes drilling a substantially vertical well bore from a surface to a subterranean zone and drilling an articulated well bore from the surface to the subterranean zone using a drill string. The articulated w... | 07/11/2006 |
| 7074174 | Methods and apparatus for encapsulating hazardous debris A method of collecting, treating, transporting and disposing of hazardous debris which combines the standards of macroencapsulation and microencapsulation and involves the use of a liner to contain hazardous debris together with reagents that reduce leachability of ... | 07/11/2006 |
| 7063657 | Method of constructing underground gallery by using pneumatic transfer system and stratum disposal method A method of constructing underground galleries using a pneumatic transfer system and a stratum disposal method are provided, wherein in constructing a disposal gallery of a stratum disposal site and tunnels such as mountain tunnels or in performing stratum disposal ... | 06/20/2006 |
| 7055325 | Process and apparatus for generating power, producing fertilizer, and sequestering, carbon dioxide using renewable biomass A process and apparatus are described for generating electrical energy using grains or other renewable biomass as the fuel, and for producing fertilizer to grow subsequent crops. In the process, a biomass material is incinerated in a firebox of a boiler to power a f... | 06/06/2006 |
| 7056062 | Subterranean waste disposal process and system A method for using large chambers, located deep within the earth, for the disposal of processed waste is disclosed. In this context, waste includes solid waste from sewage, and other organic-waste materials from urban, agricultural or industrial sources. These waste... | 06/06/2006 |
| 7048049 | Slant entry well system and method A system for accessing a subterranean zone from the surface includes an entry well bore extending down from the surface. A plurality of slanted well bores extend from the entry well bore to the subterranean zone. Drainage patterns extend from the slanted well bores ... | 05/23/2006 |
| 7036584 | Method and system for accessing a subterranean zone from a limited surface area A method and system for accessing subterranean resources from a limited surface area includes a first well bore extending from the surface to the target zone. The first well bore includes an angled portion disposed between the target zone and the surface to provide ... | 05/02/2006 |
| RE39077 | Acid gas disposal Acid gas is liquified by compression and cooling, mixed with water under pressure and flowed into a disposal well. ... | 04/25/2006 |
| 7025137 | Three-dimensional well system for accessing subterranean zones A drainage system for accessing multiple subterranean zones from the surface includes an entry well extending from the surface. The system also includes two or more exterior drainage wells extending from the entry well through the subterranean zones. The exterior dr... | 04/11/2006 |
| 7025154 | 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 surface to the subterranean zone. The articulated well bore is horizont... | 04/11/2006 |
| 6976533 | Method and system for accessing subterranean deposits from the surface Improved An improved method and system for accessing subterranean deposits from the surface that substantially eliminates or reduces the disadvantages and problems associated with previous systems and methods. In particular, the present invention provides an articul... | 12/20/2005 |
| 6964298 | Method and system for accessing subterranean deposits from the surface An improved method and system for accessing subterranean deposits from the surface substantially eliminates or reduces the disadvantages and problems associated with previous systems and methods. In particular, the present invention provides an articulated well with... | 11/15/2005 |
| 6964302 | Zeolite-containing cement composition Methods and cement compositions are provided for sealing a subterranean zone penetrated by a wellbore, wherein the cement composition comprises zeolite, cementitious material, and a mixing fluid. ... | 11/15/2005 |
| 6964308 | Method of drilling lateral wellbores from a slant well without utilizing a whipstock In accordance with one embodiment of the present invention, a method for drilling a lateral wellbore from a slant well includes drilling the slant well below the surface of the earth such that the slant well is angled toward a first horizontal direction that coincid... | 11/15/2005 |
