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WO/2003/036035A2 |
A method for treating a coal formation to alter properties of coal in the formation is provided. In one embodiment, heat from one or more heaters may be provided to at least a portion of the formation. Heat may be allowed to transfer fro...
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WO/2003/036041A2 |
A method is described for inhibiting migration of fluids into and/or out of a treatment area undergoing an in situ conversion process. Barriers in the formation proximate a treatment area may be used to inhibit migration of fluids. Inhib...
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WO/2003/036036A1 |
A method for treating lean and rich zones of a hydrocarbon containing formation is provided. In one embodiment, heat from one or more heaters may be provided to at least a portion of the formation. Heat may be allowed to transfer from th...
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WO/2003/004927A1 |
The invention is an insulation material which comprises a silicon based matrix and a plurality of non-metallic beads supported in the matrix. In one embodiment of the invention, the matrix comprises a platinum cured, addition cured silic...
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WO/2002/103152A1 |
A method and system is disclosed for extending the depth of a subterranean borehole that uses heated aqueous fluid to dissolve rock of the subterranean formation. The heated aqueous fluid comprises water and hydroxides of Group I element...
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WO/2002/099247A1 |
A method is provided of in-situ casting well equipment wherein a metal is used which expands upon solidification, the method comprising the steps of: placing a body of said metal in a cavity in the well; bringing said body at a temperatu...
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WO/2002/086276A2 |
A method for treating a tar sands formation (32) in situ includes providing heat from one or more heat sources (30) to a portion of the tar sands formation. The heat may be allowed to transfer from the heat source(s) to a selected sectio...
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WO/2002/086284A1 |
A well heating system comprises an electrical conductor which is suspended within the interior of a conduit and which is configured to transfer heat into a hydrocarbon containing formation surrounding the well in which the conductor-in-c...
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WO/2002/086283A1 |
A method and system for transmitting heat substantially by conduction into a hydrocarbon containing formation surrounding a heat injection well utilise oxidant supply and combustion gases exhaust conduits disposed in the wellbore of the ...
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WO/2002/085821A2 |
A method for treating a relatively permeable formation containing heavy hydrocarbons in situ may include providing heat from a first set of heat sources to a first section of the formation. The heat provided to the first section may pyro...
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WO2001061262A9 |
A method for exchanging heat between a pipeline (38) and an earth heat exchanger (36) including flowing a heat transfer fluid through an earth loop (32) or conduit extending from an earth surface down into the earth at a desired location...
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WO2002016732B1 |
The present invention is directed to a heating device for preventing the formation of alkane hydrates in a subsea oil and gas production equipment component having at least one flow path through which a well fluid is permitted to flow, t...
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WO2002016733B1 |
The present invention embodies a temperature control device for preventing the formation of alkane hydrates in a subsea oil and gas production equipment component having at least one flow path through which a well fluid is permitted to f...
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WO/2002/035061A2 |
The invention relates to a method for improving the supply of water from a layer in the earth to a source which is located in the ground or a well, especially a water procurement well, said source or well consisting of a drill hole exten...
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WO2002002905B1 |
The invention relates to the oil industry and can be used for increasing well productivity by increasing the oil flowrate, for a well workover and isolation of a water-encroached bench. The inventive packer (1) comprises a body (4) provi...
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WO2000073624A9 |
A thermal insulation vessel is provided that includes a first housing has a first internal cavity and an inner wall. A first plurality of magnets are coupled to the first housing and positioned proximate the inner wall in circumferential...
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WO2001074473B1 |
A method of processing fluids produced from an offshore wellbore, the method comprising the step of cooling the produces fluids by passing them through a cooling conduit which extends into the water surrounding the well bore.
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WO/2001/094741A1 |
Apparatus and method for melting metal in the annulus of an oil or gas well and thereby sealing the annulus to prevent shallow gas leakage and the like. Conveniently, eutectic metal is positioned within the annulus between the production...
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WO/2001/092687A2 |
A method and apparatus includes providing an element formed of a superplastic material to perform a predetermined downhole task. In another arrangement, a method and apparatus includes a flowable element (12, 318) and a deformable elemen...
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WO/2001/090531A1 |
This invention relates to a method for carrying out well construction, repair and abandonment operations, which method involves introducing a resin into a well and curing the same to form a seal, plug or connection, wherein the cured res...
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WO/2001/088057A1 |
The invention concerns a method for making a quasi-incompressible phase-change material (PCM) having low thermal conductivity, the resulting products and their uses. The method consists in combining with a phase-change material (PCM) in ...
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WO/2001/086115A2 |
A method is disclosed for treating a hydrocarbon containing formation in situ and producing a hydrocarbon fluid from the formation, wherein hydrocarbons present in the formation are pyrolysed at an elevated pressure with the application ...
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WO/2001/083945A1 |
A method is disclosed for treating a hydrocarbon containing formation in-situ and producing a hydrocarbon fluid from the formation, which method comprises pyrolysing hydrocarbons present in the formation at a hydrogen partial pressure of...
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WO/2001/081240A2 |
A coal formation may be treated using an in situ thermal process. Heat may be applied to the formation to raise a temperature of a portion of the formation to a pyrolysis temperature. Heat input into the formation may be controlled to ra...
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WO/2001/081239A2 |
A hydrocarbon containing formation may be treated using an in situ thermal process. Heat may be applied to the formation to raise a temperature of a portion (805) of the formation to a pyrolysis temperature. Heat input into the formation...
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WO/2001/081722A1 |
The invention provides a method for treating a hydrocarbon-containing formation in situ, comprising applying heat to at least a portion of the formation via heater wells to pyrolyse hydrocarbons present in the formation to yield pyrolysi...
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WO/2001/081721A1 |
A method is disclosed for treating a hydrocarbon containing formation in situ and producing a hydrocarbon fluid from the formation, which method comprises pyrolysing hydrocarbons present in the formation at a pressure of at least 1.5 bar...
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WO/2001/081720A1 |
The present invention provides a method for the in-situ pyrolysis of hydrocarbons in a subterranean kerogen-containing formation, comprising: providing heat to at least a portion of the kerogen-containing formation such that at least a p...
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WO/2001/081713A1 |
A system for heating an underground hydrocarbon containing formation comprises an electrical conductor disposed within a heater well traversing the formation to provide radiant heat to at least a portion of the formation to initiate pyro...
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WO/2001/081716A2 |
A method for sequestering a fluid is disclosed, which method comprises sequestering the fluid within a portion of an in-situ heat treated hydrocarbon containing formation, such as a coal seam in which hydrocarbons have been pyrolysed, of...
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WO/2001/081717A2 |
The present invention provides a method for the production of synthesis gas from a hydrocarbon-containing subterranean formation comprising: providing heat to at least a portion of the subterranean formation such that at least a part of ...
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WO/2001/081715A2 |
A method is disclosed for treating a hydrocarbon containing formation in situ and producing a hydrocarbon fluid from the formation, which method comprises pyrolysing hydrocarbons present in the formation during the production of the hydr...
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WO/2001/078914A2 |
An in situ thermal desorption (ISTD) soil remediation system (20) may be used to remove or reduce contamination within soil (24). Heat may be transferred to the soil (24) from resistively heated, bare metal heater elements (56). The heat...
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WO/2001/079743A1 |
The invention is an insulation material comprising a novolac cured polysulfide polymer resin. The material is used as a thermal insulator for subsea gas and oil production equipment, such as pipes and wellhead equipment. In order to decr...
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WO/2001/075403A1 |
A method and apparatus is disclosed for measuring the flow of fluid in the conduit, giving the example of oil in a well bore (12). A heat exchanger such as a cooling station (66) is placed in the well bore (12) and caused to create a slu...
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WO/2001/071157A1 |
A subsea subterranean well completion (12) has a tubing string (32) with a portion that extends through a region of the completion exposed to temperatures sufficiently low to potentially create wax and/or hydrate deposits within the tubi...
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WO/2001/063088A1 |
Method for protecting subsea installations against cooling which leads to hydrate formation, in particular during production halts. This is achieved by thermally isolating portions of the installation (1) against the surrounding water (2...
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WO/2001/027437A1 |
According to the inventive method for de-waxing oil and gas wells, a preparatory operation is conducted, a heating cable (5) is introduced into the area of probable formation of paraffins and said cable is heated by controlling the heati...
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WO/2001/025596A1 |
According to the invention, the method for processing the production layer in a bottom hole area (1) comprises the following steps: the liquid in the bottom hole area (1) is heated and clogging products are removed. According to the inve...
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WO/2001/007823A1 |
The invention concerns an installation and a method for heat insulation wherein a volume (10) defined by the space enclosed between a first casing (5) inside a second casing (3), is filled with vegetable foam particles. In another embodi...
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WO/2000/079096A1 |
The present invention pertains to the field of gas and crude oil extraction, relates to a compressor-free gas-lift extraction method and can be used in the exploitation of gas-lift wellbores mainly in the far North. Gas is supplied into ...
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WO/2000/057021A1 |
A method and system is provided for autogenic generation of a subterranean fluid flow, such as may be applied, for example, to enhance oil recovery or pollution abatement. In general, the method and system includes placing an electromagn...
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WO/2000/045099A2 |
Apparatus and method for cooling a component (14) inside a tool (12) includes a container (48) and a plurality of heat sinks (36, 41) positioned in the container. The components are positioned in the container with the heat sinks for mai...
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WO/2000/040886A1 |
The invention concerns a heat insulating device for at least a submarine pipeline (1) designed to be laid on the seafloor at great depth, comprising an insulating coating enclosing it and protective sheath. The invention is characterised...
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WO/2000/040898A1 |
A pulsed combustion device (1) for used in an underground borehole comprises a substantially tubular combustion chamber (10) and separate fuel and oxidant supply conduits (2, 6) for supplying fuel and oxidant to the combustion chamber. O...
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WO/2000/034624A2 |
There is disclosed a well fluid sampling tool (5) and related well fluid sampling method. A number of problems exist with known single phase sampling tools, e.g. the length and outer diameter of the tools. Accordingly, the present invent...
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WO/2000/012863A1 |
The invention relates to a method for sealing construction works, walls and hollow cavities embodied in ground, rock or mountains, notably tunnels, mine galleries, shafts, canals or caverns. According to said method a sealant material is...
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WO/2000/011317A1 |
The present invention provides a heater cable (10) that may be deployed in a wellbore to elevate the temperature of the wellbore above the temperature of the surrounding fluid and the formation. One or more fiber optic strings are includ...
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WO/1999/067504A1 |
An integrated process is disclosed for treating, at the surface, production fluids recovered from the application of in situ hydrovisbreaking to heavy crude oils and natural bitumens deposited in subsurface formations. The production flu...
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WO/1999/067505A1 |
A process is disclosed for the in-situ conversion and recovery of heavy crude oils and natural bitumens from subsurface formations (27) using either a continuous operation with one or more injection and production boreholes (21), which m...
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