| Patent Number |
Title Of Patent |
Date Issued |
| RE33246 |
High speed, high temperature three-way valve for switching high pressure fluids under low pressu |
July 3, 1990 |
| Disclosed is a low internal volumn three-way valve for high speed switching of high pressure, high temperature fluids without volume change. Such valves have particular application with positive displacement pumps for precision laboratory measurements wherein corrosive fluids are used. |
| RE32964 |
System for measuring the pore volume and permeability of very tight core plugs and method theref |
June 27, 1989 |
| A system and method for measuring Klinkenberg permeability and pore volume of a tight core plug sample is provided wherein a pressure transducer is positioned between the sample cell and the manifold of the system. |
| RE32114 |
Oil recovery process |
April 15, 1986 |
| An on-site, in-line process and system for recovering oil from oil-bearing subterranean formations which involves the production, modification, dilution and injection of a polymer solution, preferably consisting essentially of an aqueous solution of a partially hydrolyzed polyacrylam |
| RE30281 |
Transportation of waxy hydrocarbon mixture as a slurry |
May 27, 1980 |
| Hydrocarbon mixtures containing 1-80% wax, e.g. shale oil, can be transported in a pipeline by distilling the mixture into an overheads fraction and a bottoms fraction, cooling the overheads fraction to a temperature above its pour point, but to a temperature sufficiently low so that |
| 7464760 |
Inhibiting reservoir souring using a treated injection water |
December 16, 2008 |
| A process for inhibiting souring in a hydrocarbon reservoir provides a feed water including a plurality of phosphorous constituents and having an elevated phosphorous concentration. At least some of the phosphorous constituents are removed from the feed water to produce a treated inj |
| 7400263 |
Method and system for performing operations and for improving production in wells |
July 15, 2008 |
| A method for performing operations and for improving production in a well includes the steps of: providing radio identification devices at known locations in the well, and providing a reader device configured to read the identification devices, and to control the operations responsive to |
| 7373251 |
Method for predicting quantitative values of a rock or fluid property in a reservoir using seism |
May 13, 2008 |
| A method is provided for predicting a value of a designated rock or fluid property in a subterranean geologic volume. A first predicted value of the designated rock or fluid property is also assigned to a volume of a multi-dimensional, multi-scale model. A first predicted value of seismi |
| 7353866 |
Stimulation tool having a sealed ignition system |
April 8, 2008 |
| An apparatus for stimulating a subterranean formation includes a first tube, a second tube, a combustion body and an ignition propagator. The second tube is positioned within the first tube interior and the second tube interior is sealed from the first tube interior to substantially |
| 7348464 |
Process for converting gaseous alkanes to liquid hydrocarbons |
March 25, 2008 |
| A process for converting gaseous alkanes to liquid hydrocarbons wherein a gaseous feed containing alkanes is reacted with a dry bromine vapor to form alkyl bromides and hydrobromic acid vapor. The mixture of alkyl bromides and hydrobromic acid are then reacted over a synthetic crysta |
| 7283061 |
Method and system for performing operations and for improving production in wells |
October 16, 2007 |
| A method for performing operations and for improving production in a well includes the steps of: providing radio identification devices at known locations in the well, and providing a reader device configured to read the identification devices, and to control the operations responsive to |
| 7268266 |
Process for converting gaseous alkanes to liquid hydrocarbons |
September 11, 2007 |
| A process for converting gaseous alkanes to liquid hydrocarbons wherein a gaseous feed containing alkanes is reacted with a dry bromine vapor to form alkyl bromides and hydrobromic acid vapor. The mixture of alkyl bromides and hydrobromic acid are then reacted over a synthetic crysta |
| 7244867 |
Process for converting gaseous alkanes to liquid hydrocarbons |
July 17, 2007 |
| A process for converting gaseous alkanes to liquid hydrocarbons wherein a gaseous feed containing alkanes is reacted with a dry bromine vapor to form alkyl bromides and hydrobromic acid vapor. The mixture of alkyl bromides and hydrobromic acid are then reacted over a synthetic crysta |
| 7228906 |
Propellant ignition assembly and process |
June 12, 2007 |
| Method and apparatus for stimulating a subterranean formation that is penetrated by a well bore in fluid communication with the formation. At least one length of propellant is assembled with at least one shaped explosive charge that is aimed axially along the well bore toward the pro |
| 7207385 |
Method and system for producing gas and liquid in a subterranean well |
April 24, 2007 |
| A method for producing a gas and a liquid in a subterranean well includes the step directing a gas flow in a well annulus through one or more baffle plates to separate at least some of the liquid from the gas. The method can also include the steps of directing the separated liquid down |
| 7100693 |
Process for pressure stimulating a well bore through a template |
September 5, 2006 |
| One or more templates are provided for circulating fluids in a main well bore and for drilling and completing at least one offset well bore from the main well bore. Each template has a body, an inlet leg, a main outlet leg, and an offset outlet leg. A straddle assembly is mounted in the |
| 7064238 |
Conversion of alkanes to oxygenates |
June 20, 2006 |
| A process is provided for converting an alkane to an oxygenated product by passing an alkane gas over a first fixed bed containing a higher valence bromide salt to produce an alkyl bromide, a hydrobromic acid, and a lower valence bromide salt. The alkyl bromide and hydrobromic acid are c |
| 7063148 |
Method and system for transmitting signals through a metal tubular |
June 20, 2006 |
| A method for transmitting signals through a metal tubular includes the steps of transmitting modulated electromagnetic signals through a non magnetic metal section of the metal tubular, detecting the signals or a field associated with the signals, and controlling or monitoring devices |
| 7014100 |
Process and assembly for identifying and tracking assets |
March 21, 2006 |
| An assembly and process for identifying and tracking assets, particularly tubulars, equipment, tools and/or devices. An antenna is electrically connected to a responding device, such as a radio frequency identification device, and this assembly is connected to an asset. The antenna m |
| 6802371 |
Template and system of templates for drilling and completing offset well bores |
October 12, 2004 |
| One or more templates are provided for circulating fluids in a main well bore and for drilling and completing at least one offset well bore from the main well bore. Each template has a body, an inlet leg, a main outlet leg, and an offset outlet leg. A straddle assembly is mounted in the |
| 6761219 |
Casing conveyed perforating process and apparatus |
July 13, 2004 |
| A process and apparatus for completing a subterranean well bore in at least one subterranean formation. At least one perforating gun assembly is positioned on the outside of casing in a subterranean well bore. A suitable signal, such as a hydraulic, electric or wave signal, is transp |
| 6759968 |
Method and apparatus for determining position in a pipe |
July 6, 2004 |
| A method and apparatus for determining position in a pipe provides for the precise determination of location and associated characteristics of each pipe joint of a well, cross country pipeline or other fluid transmission line. The system includes a passive or active radio identification |
| 6755250 |
Gas-liquid separator positionable down hole in a well bore |
June 29, 2004 |
| A gas-liquid separator positionable down hole in a well bore includes an external tube having an external tube interior and an internal tube having an internal tube interior. The internal tube is positioned in the external tube interior to form an internal annulus defining a gas flowpath |
| 6736961 |
Removal of sulfur from a hydrocarbon through a selective membrane |
May 18, 2004 |
| A process for removing sulfur from a hydrocarbon employs a solid membrane. A feed stream is provided containing a feed liquid hydrocarbon and a feed sulfur species and a sweep stream is provided containing a sweep liquid hydrocarbon. A relatively large quantity of the feed stream is conv |
| 6703534 |
Transport of a wet gas through a subsea pipeline |
March 9, 2004 |
| A transport process for a wet gas employs a subsea heat exchanger having first and second flowpaths separated by a heat transfer surface. A cooler heat transfer medium is conveyed through the first flowpath in a liquid phase while a warmer hydrocarbon stream having a gaseous hydrocarbon |
| 6644893 |
Rigid jacket of an offshore platform having a quadrapod structure |
November 11, 2003 |
| A launchable rigid jacket of an offshore platform has a structure including an exterior framing and a plurality of cross-sectional frame sections. The exterior framing has four outside legs, which are spaced apart to define four corners of a trapezoidal cross section. The jacket also inc |
| 6615920 |
Template and system of templates for drilling and completing offset well bores |
September 9, 2003 |
| One or more templates are provided for circulating fluids in a main well bore and for drilling and completing at least one offset well bore from the main well bore. Each template has a body, an inlet leg, a main outlet leg, and an offset outlet leg. A straddle assembly is mounted in the |
| 6536524 |
Method and system for performing a casing conveyed perforating process and other operations in w |
March 25, 2003 |
| A method for performing operations and for improving production in a well includes the steps of: locating a process tool at a required depth in the well, placing a reader device in the well proximate to the process tool, and then transporting an identification device through the well pas |
| 6443244 |
Buoyant drill pipe, drilling method and drilling system for subterranean wells |
September 3, 2002 |
| A buoyant drill pipe for drilling subterranean wells includes a tubular element, such as a length of metal pipe or tubing, and a buoyant element, such as an inflatable element, or a buoyant collar, attached to an outside diameter of the tubular element. The tubular element provides a con |
| 6432331 |
Tank bottom restoration process |
August 13, 2002 |
| A process for restoring the damaged bottom of a storage tank. The process is initiated by preparing a slurry containing unconsolidated solids and a gelation solution. The gelation solution includes an aqueous liquid solvent, a crosslinkable polymer, and a crosslinking agent. The slurry i |
| 6386288 |
Casing conveyed perforating process and apparatus |
May 14, 2002 |
| A process and apparatus for completing a subterranean well bore in at least one subterranean formation. At least one perforating gun assembly is positioned on the outside of casing in a subterranean well bore. A suitable signal, such as a hydraulic, electric or wave signal, is transp |
| 6382316 |
Method and system for producing fluids in wells using simultaneous downhole separation and chemi |
May 7, 2002 |
| A method and a system for producing fluids, particularly hydrocarbons and water, from a subterranean well are provided. The method and system can be used with a well in which the production zone is above the injection zone, or with a well in which the production zone is below the injecti |
| 6350928 |
Production of a gas hydrate slurry using a fluidized bed heat exchanger |
February 26, 2002 |
| A process is provided for converting a multi-phase fluid stream having an initial gas phase and an initial liquid phase to a gas hydrate slurry. The initial liquid phase includes an initial water and the initial gas phase includes a hydrocarbon gas. An inert solid particle medium is entr |
| 6336507 |
Deformed multiple well template and process of use |
January 8, 2002 |
| A deformed multiple well template and a process for positioning the deformed template downhole, expanding the template and drilling at least one subterranean well bore via said template. The template has at least a portion thereof deformed and may be symmetrical or asymmetrical as de |
| 6336506 |
Apparatus and method for perforating and stimulating a subterranean formation |
January 8, 2002 |
| A method and apparatus for perforating and stimulating a subterranean formation which is penetrated by a well bore having casing positioned therein so as to establish fluid communication between the formation and the well bore. Substantially rigid, flexible, or liquid propellant is i |
| 6333699 |
Method and apparatus for determining position in a pipe |
December 25, 2001 |
| A method and apparatus for determining position in a pipe provides for the precise determination of location and associated characteristics of each pipe joint of a well, cross country pipeline or other fluid transmission line. The system includes a passive or active radio identification |
| 6313361 |
Formation of a stable wax slurry from a Fischer-Tropsch reactor effluent |
November 6, 2001 |
| A process is provided for treating a liquid effluent from a gas to liquid conversion reactor. A synthesis gas is initially converted to a liquid hydrocarbon phase in the gas to liquid conversion reactor. The liquid hydrocarbon phase includes a heavier liquid paraffinic wax compound and a |
| 6302221 |
Method for predicting quantitative values of a rock or fluid property in a reservoir using seism |
October 16, 2001 |
| A method is provided for predicting a value of a designated rock or fluid property in a subterranean geologic volume. An experimentally determined seismic value of acoustic impedance is assigned to a model volume correlated to the subterranean geologic volume. A first predicted value of |
| 6263283 |
Apparatus and method for generating seismic energy in subterranean formations |
July 17, 2001 |
| A method of creating a seismic wave in a subterranean environment wherein solid propellant material is positioned in a subterranean well and ignited thereby generating a seismic wave. The seismic wave is recorded at distance from where the propellant material is ignited by means of g |
| 6253851 |
Method of completing a well |
July 3, 2001 |
| This invention relates to a method of completing a well that penetrates a subterranean formation and more particularly to a method for screen placement during proppant packing of formation perforations or fractures created by hydraulic fracturing techniques. The top of the screen is |
| 6226596 |
Method for analyzing and classifying three dimensional seismic information |
May 1, 2001 |
| Volume Seismic textures are evaluated using a Voxel Coupling Matrix (VCM) to capture and characterize three dimensional seismic reflection patterns. To extract the VCM seismic textural information at a specific location within the seismic amplitude input data, a finite number of neighbor |
| 6201029 |
Staged combustion of a low heating value fuel gas for driving a gas turbine |
March 13, 2001 |
| A process is provided for combusting a low heating value fuel gas in a combustor to drive an associated gas turbine. A low heating value fuel gas feed is divided into a burner portion and a combustion chamber portion. The combustion chamber portion and a combustion air are conveyed into |
| 6189615 |
Application of a stabilized polymer gel to an alkaline treatment region for improved hydrocarbon |
February 20, 2001 |
| A process is provided for reducing the permeability of or fluid mobility within a carbonate-containing treatment region in or proximate to a hydrocarbon-bearing formation below an earthen surface penetrated by a well bore. The process is initiated by preparing a gelation solution at |
| 6187172 |
Viscosity reduction of crude oils and residuums |
February 13, 2001 |
| Adverse effects of asphaltenes in liquid hydrocarbons are reduced by incorporating into the liquid hydrocarbon sufficient concentration, e.g., about 0.5 to 5 weight % of a dispersant to disassemble or break up agglomerates of the asphaltenes. The dispersant has a polarity of about 0. |
| 6158511 |
Apparatus and method for perforating and stimulating a subterranean formation |
December 12, 2000 |
| A method and apparatus for perforating and stimulating a subterranean formation which is penetrated by a well bore having casing positioned therein so as to establish fluid communication between the formation and the well bore. Substantially rigid, flexible, or liquid propellant is i |
| 6130259 |
Hydrocarbon gas conversion system and process for producing a synthetic hydrocarbon liquid |
October 10, 2000 |
| A system and process are provided for converting a light hydrocarbon gas to a synthetic heavier hydrocarbon liquid. The system includes an autothermal reformer, a Fischer-Tropsch reactor and a Brayton cycle that are structurally and functionally integrated. In the practice of the process |
| 6103772 |
Foamed gel for permeability reduction or mobility control in a subterranean hydrocarbon-bearing |
August 15, 2000 |
| A foamed gel composition useful in a subterranean hydrocarbon-bearing formation to reduce the permeability of a treatment region therein or control the mobility of a drive fluid in the formation. The foamed gel is formed from a crosslinkable carboxylate-containing polymer, a crosslinking |
| 6095250 |
Subsurface safety valve assembly for remedial deployment in a hydrocarbon production well |
August 1, 2000 |
| A remedially deployable subsurface valve assembly is provided including a first tubing string, a first safety valve positioned in the first tubing string, a second tubing string, and a second safety valve positioned in the second tubing string. The first tubing string is a rigid producti |
| 6082450 |
Apparatus and method for stimulating a subterranean formation |
July 4, 2000 |
| A method for stimulating a subterranean formation which is penetrated by a well bore having casing positioned therein so as to establish fluid communication between the formation and the well bore. Propellant is secured to the outer surface of a carrier having a plurality of apertures |
| 6061688 |
Geographical system for accessing data |
May 9, 2000 |
| A computer system that creates a metadata file having records connected to geographic locations on a map. The system also stores data relating to geographic locations into the metadata file. A user of the system can then select a geographic location from the map, which causes the system |
| 6053247 |
Method and apparatus for severing a tubular |
April 25, 2000 |
| An apparatus and method for severing a tubular, such as a drill string, which is stuck within a subterranean well bore. A volume of liquid explosive is positioned within a housing and initially restrained against movement therein. The housing is lowered within the tubular and positioned |
