| Patent Number |
Title Of Patent |
Date Issued |
| RE32913 |
Shields for antennas of borehole logging devices |
April 25, 1989 |
| The disclosed invention is suited for use in conjunction with a borehole logging device wherein transmitting and receiving antenna coils are wound on insulating media around the axis of a support means that includes an elongated electrically conductive pipe. In accordance with the invent |
| RE32070 |
Borehole apparatus for investigating subsurface earth formations including a plurality of pad me |
January 21, 1986 |
| A borehole investigating apparatus includes, an elongated support member, a first pair of wall-engaging pad members individually disposed on opposite sides of the support member along a given line and a second pair of wall-engaging pad members individually disposed on opposite sides of t |
| 7299132 |
Method and system for pre-drill pore pressure prediction |
November 20, 2007 |
| A method for pore pressure prediction. The method includes obtaining a stress sensitivity coefficient, obtaining a compressional wave (P-wave) velocity and a shear wave (S-wave) velocity for a pre-drill location and obtaining a first predicted pore pressure. Further, the method includes |
| 7281585 |
Offshore coiled tubing heave compensation control system |
October 16, 2007 |
| An offshore oil well assembly is provided that includes a floating vessel and a coiled tubing injector supported on the floating vessel. A coiled tubing string is movable by the injector into and out of a wellbore. The assembly also includes at least one measurement device which, either |
| 7259689 |
Transmitting power and telemetry signals on a wireline cable |
August 21, 2007 |
| A wireline logging assembly includes a cable having primary conductors, secondary conductors, and a central conductor. A first power source excites the primary conductors using a first propagation mode. A first telemetry transceiver excites the primary conductors using a second propa |
| 7259331 |
Lightweight armor wires for electrical cables |
August 21, 2007 |
| Disclosed are electric cables with improved armor wires used with wellbore devices to analyze geologic formations adjacent a wellbore. The cables include at least one insulated conductor, and one or more armor wires surrounding the insulated conductor. The armor wires include a low d |
| 7258522 |
Method for mounting a frac blender on a transport vehicle |
August 21, 2007 |
| A frac blender mounted on a transport vehicle and adapted for movement along a vertical, linear path between a raised stowed position and a lowered operating position. The frac blender is moved between positions by a drive system that is slip connected to the frac blender for minimiz |
| 7240730 |
Use of fiber optics in deviated flows |
July 10, 2007 |
| A system to determine the mixture of fluids in the deviated section of a wellbore comprising at least one distributed temperature sensor adapted to measure the temperature profile along at least two levels of a vertical axis of the deviated section. Each distributed temperature senso |
| 7240547 |
Method and apparatus for measuring fluid properties |
July 10, 2007 |
| A method of measuring fluid properties such as flow velocity, flow rate, and fluid composition comprises positioning a heat exchange element with a temperature sensor, such as an optical fiber temperature sensor, arranged centrally inside the element in thermal contact with a fluid of |
| 7222682 |
Chain drive system |
May 29, 2007 |
| A downhole tractor is provided that includes a motor, at least one rotatable screw powered by the motor, and a chain engageable with the at least one rotatable screw, whereby rotation of the at least one rotatable screw moves the chain. |
| 7219726 |
Method and apparatus to vibrate a downhole component |
May 22, 2007 |
| An apparatus for use in a wellbore comprises a housing having a longitudinal axis and a mechanism having one or more impact elements adapted to move along the longitudinal axis in an oscillating manner to impart a back and forth force on the housing to vibrate the housing. In another |
| 7216703 |
Method and apparatus for testing and treatment of a completed well with production tubing in pla |
May 15, 2007 |
| A method and apparatus is used to test and/or treat individual production zones of a well in conjunction with a conventional coiled tubing unit. This method and apparatus allows testing and treatment of a well with production tubing in place. The return flowpath for formation fluids |
| 7215416 |
Method for measuring using optical fiber distributed sensor |
May 8, 2007 |
| Methods for calibrating and making measurements using fiber optic sensors are disclosed using backscattered wavelengths and independent sensors. The disclosure sets outs methods applicable with fiber optic sensors either in a deployed in a loop and in a linear configuration and useful |
| 7191844 |
Inflate control system for inflatable straddle stimulation tool |
March 20, 2007 |
| A method and apparatus for controlling inflation and deflation of spaced inflatable packer elements of a straddle stimulation tool within a well casing of a well. A straddle stimulation tool is positioned by tubing at a desired location within the well casing. Fluid is pumped through the |
| 7188406 |
Methods of manufacturing enhanced electrical cables |
March 13, 2007 |
| Disclosed are methods of manufacturing electrical cables. In one embodiment of the invention, method for manufacturing a wellbore cable includes providing at least one insulated conductor, extruding a first polymeric material layer over the insulated conductor, serving a first layer |
| 7185714 |
Traction control for downhole tractor |
March 6, 2007 |
| Apparatus, system and methods useful for controlling the traction of a downhole tractor in a borehole include the capability of repeatedly adjusting the normal force applied to at least one component that causes movement of the tractor in the borehole. |
| 7185704 |
Service tool with flow diverter and associated method |
March 6, 2007 |
| A downhole service tool is provided that may include a body having an interior passageway, at least one exit port through which fluid may flow from the interior passageway to an exterior of the tool, and at least one diverting channel adapted to cause fluid exiting the exit port to flow |
| 7177764 |
Simulation method and apparatus for determining subsidence in a reservoir |
February 13, 2007 |
| A reservoir simulator first estimates rock displacement parameters (u, v, and w) representing rock movement in the x, y, and z directions. When the rock displacement parameters (u, v, w) are determined, ".epsilon..sub.x,y,z" (the `x,y,z elongation strains`) and ".gamma..sub.xy,yz,zx" |
| 7165621 |
Method for exploitation of gas hydrates |
January 23, 2007 |
| A method and apparatus for producing gas from a hydrate formation includes the use of at least one wellbore which penetrates the hydrate formation and further extends into an aquifer below the hydrate formation. The aquifer provides relatively warm water which may be produced up and into |
| 7156192 |
Open hole tractor with tracks |
January 2, 2007 |
| A downhole tractor is provided that may be used in open or cased wells, and is also designed for use in open holes having a variety of soil/formation consistencies (e.g., soft, firm, rigid, etc.), varying diameters and non-uniform and irregular bore profiles. The tractor may include |
| 7152685 |
Method and apparatus for deploying a line in coiled tubing |
December 26, 2006 |
| Methods and apparatus for deploying a line in a borehole using coiled tubing are presented. Methods are applicable for use in deploying a line in a coiled tubing when the coiled tubing is spooled on a reel or deployed in a wellbore. A line reel provided in a pressure housing is used |
| 7147052 |
Hyraulically releasable inflation tool for permanent bridge plug |
December 12, 2006 |
| Various embodiments of an improved downhole disconnect tool are provided, some of which may include a first housing releasably connected to a second housing, a first piston releasably connected to the first housing, and a second piston releasably connected to the second housing. Various |
| 7143843 |
Traction control for downhole tractor |
December 5, 2006 |
| Apparatus, system and methods useful for controlling the traction of a downhole tractor in a borehole include the capability of repeatedly adjusting the normal force applied to at least one component that causes movement of the tractor in the borehole. |
| 7119283 |
Enhanced armor wires for electrical cables |
October 10, 2006 |
| Electric cables used with wellbore devices to analyze geologic formations adjacent a wellbore including at least one insulated conductor, and one or more armor wires surrounding the insulated conductor, the armor wires formed of a high strength core surrounded by a corrosion resistant al |
| 7114574 |
By-pass valve mechanism and method of use hereof |
October 3, 2006 |
| A by-pass valve mechanism for a well treatment tool having at least one flow sensitive element, permitting by-pass of well fluid past the flow sensitive element of the well treatment tool during conveyance of the well treatment tool to treatment depth within a well. A valve housing a |
| 7090020 |
Multi-cycle dump valve |
August 15, 2006 |
| A flow responsive dump valve mechanism for a straddle packer tool and has a valve controlled flow passage from which underflushed fluid, typically well treatment slurry, in a conveyance and fluid supplying tubing string can be dumped into a well casing. The dump valve mechanism incorpora |
| 7089167 |
Evaluation of reservoir and hydraulic fracture properties in multilayer commingled reservoirs us |
August 8, 2006 |
| A method for providing production optimization of reservoir completions having a plurality of completed intervals via available production analysis and production logging data provides a quantitative analysis procedure for reservoir and fracture properties of a commingled reservoir s |
| 7080557 |
Method and apparatus for inspecting a tubular using acoustic signals |
July 25, 2006 |
| A method and apparatus for acoustically inspecting a tubular member is presented. In particular a method for inspecting coiled tubing using ultrasound is presented. The method includes contacting a tubular with a coupling material, transmitting an acoustic signal, receiving a returned |
| 7077200 |
Downhole light system and methods of use |
July 18, 2006 |
| A light generating system for use in a wellbore comprising a light generating transducer in the wellbore, the light generating transducer adapted to transform a physical state of a parameter in the wellbore to optical energy; recording equipment sensitive to optical energy to record |
| 7066264 |
Method and apparatus for treating a subterranean formation |
June 27, 2006 |
| A service/completion liner having a plurality of downhole selectable indicating tools and being used in sand control (gravel pack) placement systems in conjunction with a straddle packer service tools or with conventional crossover type service tools. Each indicating collar has a dow |
| 7063159 |
Multi-purpose coiled tubing handling system |
June 20, 2006 |
| A system for reducing the effects of heave movements of a wellhead in an offshore drilling device is provided that includes a frame; a coiled tubing stack supported by the frame; and a heave compensation system for controlling an amount of load transferred from the coiled tubing stack to |
| 7062420 |
Production optimization methodology for multilayer commingled reservoirs using commingled reserv |
June 13, 2006 |
| An overall petroleum reservoir production optimization methodology permits the identification and remediation of unstimulated, under-stimulated, or simply poorly performing reservoir completed intervals in a multilayer commingled reservoir that can be recompleted using any of various |
| 7055604 |
Use of distributed temperature sensors during wellbore treatments |
June 6, 2006 |
| 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. |
| 7051812 |
Fracturing tool having tubing isolation system and method |
May 30, 2006 |
| A formation treatment tool assembly is conveyed within a well casing by a tubing string and has a housing defining treatment fluid supply and discharge passages and a fluid injection port through which treatment fluid is directed from the supply passage into a packer isolated casing |
| 7040402 |
Instrumented packer |
May 9, 2006 |
| A technique that is usable with a subterranean well includes communicating a fluid into a region of the well and monitoring a level of the fluid communicated via a downhole sensor. The communication is controlled in response to the monitoring. |
| 6989064 |
Hi-temp explosive binder |
January 24, 2006 |
| The present invention provides high temperature explosive binders. More specifically, the present invention provides thermally stable polymeric binders for use in pressed explosives and suitable for environments such as the oilfield environment. |
| 6984260 |
Device for diverting fluid from a pipeline |
January 10, 2006 |
| A device for diverting liquid from a pipeline is described having a first conduit; a second conduit connected to the first conduit at at least a first location and a second location; with the second conduit having a first section to collect diverted liquid and a second elongated section |
| 6980940 |
Intergrated reservoir optimization |
December 27, 2005 |
| A method of managing a fluid or gas reservoir is disclosed which assimilates diverse data having different acquisition time scales and spatial scales of coverage for iteratively producing a reservoir development plan that is used for optimizing an overall performance of a reservoir. |
| 6980935 |
Method, apparatus and system for constructing and maintaining scenegraphs for interactive featur |
December 27, 2005 |
| A method, computer system or computer program is provided for interactively constructing, editing, rendering and manipulating geoscience models, including aggregating the functionality of a geometry system and a graphics system, enforcing consistency between the geometry system and the |
| 6912491 |
Method and apparatus for mapping uncertainty and generating a map or a cube based on conditional |
June 28, 2005 |
| A new method is presented for generating a probability map, a cutoff map, and a confidence limit map in one single operation. In addition, the new method can also generate a cube representing a cubic volume of earth formation by using the same method for generating the aforementioned map |
| 6910001 |
Distributed multiresolution geometry modeling system and method |
June 21, 2005 |
| A distributed multiresolution modeling system has a database management system on a first server. The database management system provides access to a hierarchical tree representation of surfaces of geometric models. Client programs executing on computers connected to the first server |
| 6896059 |
Components and methods for use with explosives |
May 24, 2005 |
| An apparatus and method is provided to reduce interference resulting from activation of explosive devices. To reduce interference, one or more shock impeding elements are placed proximal one or more explosives to impede propagation of shock caused by detonation of the explosives. The sho |
| 6874579 |
Creating an underbalance condition in a wellbore |
April 5, 2005 |
| An apparatus and method of perforating and surging a section of the wellbore includes running a perforating gun into the well on a string having an isolation valve above the perforating gun, closing the valve, and perforating the well with the isolation valve closed so that the forma |
| 6823945 |
Pressure compensating apparatus and method for downhole tools |
November 30, 2004 |
| An apparatus and method for opposing pressure-induced forces acting on a mandrel of a downhole tool. The apparatus and method are particularly suited for use with a packer and include a piston engageable with the mandrel. Forces placed upon the piston by pressure communicated from the |
| 6820690 |
Technique utilizing an insertion guide within a wellbore |
November 23, 2004 |
| A technique for facilitating the use of a variety of completion elements in a wellbore environment. The technique utilizes an insertion guide disposed within an open-hole section of a wellbore. The insertion guide may be radially expanded towards the surrounding formation to remove exces |
| 6732803 |
Debris free valve apparatus |
May 11, 2004 |
| The present invention provides an apparatus for use in completing a subterranean zone penetrated by a wellbore. One aspect of the invention comprises a housing member with a longitudinal bore and a valve member located within the housing member that is movable between open and closed |
| 6729408 |
Fracturing fluid and method of use |
May 4, 2004 |
| Improved aqueous fracturing fluids are disclosed that are particularly useful as well stimulation fluids to fracture tight (i.e., low permeability) subterranean formations. Gas wells treated with these fracturing fluids have rapid cleanup and enhanced well production. The fluids cont |
| 6700252 |
Field configurable modular motor |
March 2, 2004 |
| A modular electric motor for use in a wellbore. The modular motor includes a plurality of modular motor sections. The modular motor sections being mechanically and electrically coupleable. At least one modular motor section having a rotor. The rotor of one modular motor section having a |
| 6691786 |
Inflatable flow control device and method |
February 17, 2004 |
| A valve has a pair of surfaces, such as those of pipes, with an inflatable bladder disposed therebetween. Controlled inflation and deflation of the bladder provides for control of flow through the valve. It is emphasized that this abstract is provided to comply with the rules requiring a |
| 6684952 |
Inductively coupled method and apparatus of communicating with wellbore equipment |
February 3, 2004 |
| A method and apparatus that allows communications of electrical power and signaling from downhole component to another downhole component employs an inductive coupler assembly. In one arrangement, one portion of the inductive coupler assembly is attached to a production tubing section an |
