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| Number | Title | Issue Date |
| 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 |
| 7360967 | Solubilization and disposal of radioactive scale and sludge A process to transform solid, low-level, radioactive waste produced from oil and gas production into a form that may be safely disposed of, such as by re-injection into geologic formations in the Earth. ... | 04/22/2008 |
| 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 |
| 7165616 | Method of controlling the direction of propagation of injection fractures in permeable formations The invention relates to a method of controlling the production of oil or gas from a formation (1) comprising that a first and second drilled production well (105, 110) are formed next to each other that extend essentially horizontally, that, at the dr... | 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 6962561 | Method for biosolid disposal and methane generation A method for the disposal of biosolids, the method comprising providing a supply of biosolids; selecting an introduction formation below a ground surface, the introduction formation comprising a natural gas formation in a gas accumulation zone; introducing the bioso... | 11/08/2005 |
| 6942030 | Three-dimensional well system for accessing subterranean zones A method for accessing a plurality of subterranean zones from the surface includes forming an entry well from the surface and forming two or more exterior drainage wells from the entry well through the subterranean zones. The exterior drainage wells each extend outw... | 09/13/2005 |
| 6935424 | Mitigating risk by using fracture mapping to alter formation fracturing process A formation fracturing method with which to mitigate risk to hydrocarbon productivity includes pumping fracturing fluid, during at least part of a fracturing job time period, into a well to fracture a formation; generating signals, within the fracturing job time per... | 08/30/2005 |
| 6846967 | Nuclear waste disposal system A system for disposing of nuclear waste which essentially includes filling containers with nuclear waste and then dropping the containers into the sea in the path of an undersea volcano which is pouring lava onto the sea bed is disclosed. The containers are driven i... | 01/25/2005 |
| 6458271 | Deep aquifer remediation system A groundwater decontamination system includes a decontamination unit adapted to be lowered down through a non-pumping well into an aquifer containing contaminated water. The unit can also be raised up and out of the non-pumping well for cleaning, servicin... | 10/01/2002 |
| 6428695 | Aquifer remediation barrier for removal of inorganic contaminants A permeable barrier for decontaminating groundwater having two distinct components for increasing contaminant removal. Preferably, the barrier material is a mixture or distinct layers of bone-char phosphate material and iron oxide pellets. The barrier mat... | 08/06/2002 |
| 6322693 | Waste processing system and related methods A waste processing system comprising a mixing tank system with an agitation system; a separation system, and a slurry tank system having a shearing system. The present invention also relates to a method of processing waste which includes the steps of: (a)... | 11/27/2001 |
| 6238138 | Method for temporary or permanent disposal of nuclear waste using multilateral and horizontal boreholes in deep islolated geologic basins A method of disposing nuclear waste in underground rock formations (18). The method includes the steps of selecting an land area having a rock formation (18) positioned therebelow of a depth able to prevent radioactive material placed therein from reachin... | 05/29/2001 |
| 6204429 | Methods of remediation of chemical contaminants dispersed in geologic media Chemically contaminated soil samples are subjected to a shock wave sufficient in amplitude and duration to induce polymerization and/or decomposition of the contaminant chemicals.... | 03/20/2001 |
| 6132561 | Process for the solvent extraction for the radiolysis and dehalogenation of halogenated organic compounds in soils, sludges, sediments and slurries A process of extracting halogenated organic compounds, and particularly PCBs, from soil, sediment, slurry, sludge and dehalogenating the compounds contacting a contaminated soil sample with an extraction medium of a mixture of an alkane and a water miscib... | 10/17/2000 |
| 6002063 | Apparatus and method for subterranean injection of slurried wastes Injection of slurried wastes is carried out within deeply buried strata. Appropriate target strata are identified in terms of sufficient porosity and permeability, and overburden that includes permeable and impermeable strata. Slurry is injected at suffic... | 12/14/1999 |
| 5863283 | System and process for disposing of nuclear and other hazardous wastes in boreholes A system for disposing of hazardous waste, such as nuclear waste, underground which provides the drilling of a wellbore down into a level of a underground bed of salt, for example, and forming a horizontal borehole through the salt bed next, drilling a pl... | 01/26/1999 |
| 5850614 | Method of disposing of nuclear waste in underground rock formations A method of disposing nuclear waste in underground rock formations (18). The method includes the steps of selecting an area of land having a rock formation (18) positioned therebelow, the rock formation (18) must be of a depth able to prevent radioactive ... | 12/15/1998 |
| 5833395 | Method for reducing the concentration of contaminating radioactive material in contaminated soil A method for reducing the concentration of radioactive material in a contaminated area by removing contaminated soil from the contaminated area; determining a field survey specific activity concentration representative of the remaining soil in the contami... | 11/10/1998 |
| 5832392 | Depleted uranium as a backfill for nuclear fuel waste package A method for packaging spent nuclear fuel for long-term disposal in a geological repository. At least one spent nuclear fuel assembly is first placed in an unsealed waste package and a depleted uranium fill material is added to the waste package. The depl... | 11/03/1998 |
| 5763735 | Monitored retrievable storage of plutonium and nuclear toxic waste A method of removing radioactivity from the interior of a building by transporting radioactive material within a slurry comprising water and metal salt hydrate, precipitating out or otherwise filtering out the then contaminated material outside the buildi... | 06/09/1998 |
| 5762675 | Method relating to the preparation of amorphous samples and means therefor A method of producing amorphous sample bodies that can be used for optical spectral analysis and X-ray spectral analysis, by batch-wise smelting in a crucible a mixture of analysis sample and a flux. The method is characterized by allowing a controlled fl... | 06/09/1998 |
| 5740546 | Repository for radioactive waste-vault backfill A method of forming a repository for radioactive waste comprises locating the waste in a subterranean vault and backfilling the vault with a filling material which is water permeable and provides a substantial reservoir of available alkalinity such that a... | 04/14/1998 |
| 5678235 | Safe ceramic encapsulation of hazardous waste with specific shale material A safely encapsulated hazardous waste product free of unwanted leaching of contaminated metal constitutents and process therefor wherein a quantity of hazardous waste and a quantity of shale material characterized by having an aluminosilicate content cont... | 10/14/1997 |
| 5613242 | Method and system for disposing of radioactive solid waste This invention discloses a system and method for the disposal of solid waste that contains radioactive material. Radioactive solid wastes generated as scales during oil and gas production operations are collected and placed in a central processing chamber... | 03/18/1997 |
| 5489735 | Decontamination composition for removing norms and method utilizing the same A decontamination composition comprises 40 to 60 percent of a compound selected from the group consisting of oxalic acid, alkali metal and ammonium salts of oxalic acid and mixtures thereof; 5 to 20 percent of a compound selected from the group consisting... | 02/06/1996 |
| 5464473 | Backfill for engineered barrier A backfill for an engineered barrier used to contain radioactive waste has a predetermined amount of clayic material and a predetermined amount of a reinforcement material with hydrophobic surface characteristics. The reinforcement material may include hy... | 11/07/1995 |
| 5413718 | Use of added water to achieve 100% injection weight in geothermal operations Geothermal brines are extracted from the earth, flashed and the remaining liquids are injected back into the earth. Although it would be advantageous for resource maintenance to inject the same amount of liquid as extracted, addition of liquid causes mass... | 05/09/1995 |
| 5409614 | Control of scale deposition in geothermal operations NORMs are inhibited or prevented from precipitating with scale produced by a hot aqueous solution by adding multiple portions of a crystal structure modifier to the aqueous solution as it cools before and during removal of silicon containing components by... | 04/25/1995 |
| 5338493 | Method for disposal of radioactive waste In a method for the safe disposal of radioactive waste, a drilling rig is used to drill a hole or holes near the scource of the radioactive waste. This hole(s) then becomes the deposit chamber(s) for the radioactive waste. After the hole is dug a well cas... | 08/16/1994 |
| 5332532 | Method for disposing of radioactively labeled animal carcasses A method for disposing of animal tissue containing radioactive materials by producing a solution containing a substantially de minimis concentration of radioactive materials through alkaline hydrolysis and dilution of the animal tissue containing the radi... | 07/26/1994 |
| 5268108 | Control of scale deposition in geothermal operations Radioactivity and fluoride ion are inhibited or prevented from precipitating in scale formed from a geothermal brine by adding a dispersant to the cooling brine solution. Preferred dispersants include polyacrylates and polyphosphonic acids.... | 12/07/1993 |
