| Patent Number |
Title Of Patent |
Date Issued |
| 7397388 |
Borehold telemetry system |
July 8, 2008 |
| A system that is usable with a subterranean well includes an assembly and a telemetry tool. The system includes an assembly that performs a downhole measurement. The system also includes a downhole telemetry tool to modulate a carrier stimulus that is communicated through a downhole |
| 7394257 |
Modular downhole tool system |
July 1, 2008 |
| A downhole tool for formation logging includes a tool body configured to move in a borehole; and at least one sensor module mounted in at least one mounting location on the tool body, wherein the at least one sensor module is interchangeable with other sensor modules that make different |
| 7392861 |
Stabilizer for a rod, particularly a string of drilling rods |
July 1, 2008 |
| Stabilizer (1) designed to be slid onto a rod (2), particularly a string of drilling rods. It comprises at least one elastic part (4) that can deform when the stabilizer (1) is held in an initial position in compression against a shoulder (5) of the rod (2), this elastic part (4) com |
| 7392851 |
Inflatable packer assembly |
July 1, 2008 |
| Conventional formation evaluation with dual inflatable packers includes the steps of pressurizing the packers so as to isolate an annular portion of the borehole wall, collecting one or more samples of formation fluid via the isolated portion of the borehole wall, and depressurizing the |
| 7392697 |
Apparatus for downhole fluids analysis utilizing micro electro mechanical system (MEMS) or other |
July 1, 2008 |
| The present invention provides packaging for MEMS devices and other sensors for downhole application. The MEMS devices and/or other sensors may aid in characterizing formation fluids in situ. The packaging facilitates high temperature, high pressure use, which is often encountered in |
| 7391675 |
Microseismic event detection and location by continuous map migration |
June 24, 2008 |
| The present invention provides methods and systems for microseismic hydraulic fracture monitoring in real-time. The methods and systems of the present invention may include continuous map migration of recorded microseismic signals. The methods and systems provide robust automated sim |
| 7389820 |
Blowout preventer positioning system |
June 24, 2008 |
| An embodiment of a blowout preventer system of the present invention includes a mast functionally connected a frame assembly and a carriage functionally connected to the mast. The carriage is adapted to carry and support a blowout preventer in a manner such that the blowout preventer |
| 7388374 |
Interpretation methods for NMR diffusion-T2 maps |
June 17, 2008 |
| A method is disclosed for interpretation of multi-dimensional nuclear magnetic resonance data taken on a sample of an earth formation. Specifically, a set of NMR data is acquired for a fluid sample located either in a borehole or in a laboratory environment. From the set of NMR data, |
| 7387987 |
Rheology modifiers |
June 17, 2008 |
| A method for increasing the rate of shear rehealing of fluids made with cationic, zwitterionic, and amphoteric viscoelastic surfactant fluid systems by adding an effective amount of a polymeric rheology enhancer selected from polypropylene glycols and block copolymers of polypropylene |
| 7387986 |
Viscoelastic surfactant rheology modification |
June 17, 2008 |
| A method for shortening the shear recovery time of cationic, zwitterionic, and amphoteric viscoelastic surfactant fluid systems by adding an effective amount of an amphiphilic polymeric rheology enhancer containing at least one portion that is a partially hydrolyzed polyvinyl ester or |
| 7387165 |
System for completing multiple well intervals |
June 17, 2008 |
| A system for completing a well with multiple zones of production includes a casing having a plurality of valves that are integrated therein for isolating each well zone. Communication is established between each underlying formation and the interior of the casing, and a treatment flu |
| 7387160 |
Use of sensors with well test equipment |
June 17, 2008 |
| A method and system used for testing a subterranean well. A sensor (34), such as a distributed temperature sensor, comprising a sensing optical fiber (48) connected to an interrogation unit (50), is deployed together with a drill stem test string (20) so that the sensor extends below the |
| 7387159 |
Blending system for solid/fluids mixtures |
June 17, 2008 |
| The disclosure concerns a method and a system for monitoring the composition of a cement slurry or wellbore service fluid, the method and system including one or more feeder units for solid particulate material; one or more mixing or blending units adapted to receive material from the |
| 7387157 |
Dynamic inflatable sealing device |
June 17, 2008 |
| A dynamic inflatable sealing device for maintaining the pressure within an inflatable element at least substantially equal to the pressure in the annulus to maintain the inflatable element in a sealing position. The dynamic sealing device includes an inflatable element forming an interna |
| 7386431 |
Method system and program storage device for simulating interfacial slip in a hydraulic fracturi |
June 10, 2008 |
| A method, practiced by a Hydraulic Fracturing Simulator software, is adapted for simulating a hydraulic fracture in an Earth formation, the formation including a plurality of layers, a slip zone, which represents a debonding between adjacent layers of the Earth formation, possibly ex |
| 7386430 |
Method of correcting triaxial induction arrays for borehole effect |
June 10, 2008 |
| A method for modeling borehole effects of a transverse array induction tool includes selecting a formation-borehole model having a set of parameters, wherein the set of parameters comprises a direction of tool eccentering; determining initial values for the set of parameters; computi |
| 7385523 |
Apparatus and method for downhole well equipment and process management, identification, and ope |
June 10, 2008 |
| A method for operating a downhole tool. The method includes moving an instrument through a wellbore, and the instrument includes a first non-acoustic transponder that is adapted to detect identification codes. An identification code detected from at least one second non-acoustic tran |
| 7385019 |
Polymer solutions with shear reversible properties |
June 10, 2008 |
| Water-based fluids that can viscosify under shear or can produce a gel or form a gel under shear are obtained by dissolving polymers in an aqueous phase. These polymers comprise three types of functional groups: non-ionic functional groups that are hydrosoluble at the temperature und |
| 7384453 |
Self-contained chromatography system |
June 10, 2008 |
| A self-contained chromatography system is provided and includes a chromatography column, a carrier gas reservoir containing a carrier gas and an analyte stream processing device, wherein the carrier gas reservoir is disposed upstream from the chromatography column and wherein the ana |
| 7383898 |
Inner and outer motor with eccentric stabilizer |
June 10, 2008 |
| A downhole motor arrangement for a directional drilling comprises a first motor component (22), a second motor component (24) encircling at least part of the first motor component (22), and a third motor component (26) encircling at least part of the second motor component (24), the firs |
| 7383883 |
Apparatus and method to detect a signal associated with a component |
June 10, 2008 |
| An apparatus for use in a well comprises a structure having at least a first portion formed of a first material, and a detector to detect a signal associated with a component located either within or beyond the structure. The first material has a property that reduces attenuation of |
| 7383882 |
Interactive and/or secure activation of a tool |
June 10, 2008 |
| A tool activation system and method includes receiving an authorization code of a user to verify access rights of a user to activate the tool. In one example, the authorization code is receive from a smart card. The environment around the tool, which can be in a wellbore, for example, is |
| 7382136 |
Shielded apparatus for reducing an electrical field generated by a pad during electrically explo |
June 3, 2008 |
| An apparatus for investigating the wall of a borehole in a geological formation. The pad having shielding means which are arranged between a source electrode and a set of measurement electrodes and between the measurement electrodes and a return electrode. The shielding means being f |
| 7382135 |
Directional electromagnetic wave resistivity apparatus and method |
June 3, 2008 |
| A novel on-the-fly data processing technique is useful for extracting signals from the azimuthal variation of the directional measurements acquired by a logging tool within a borehole. The relevant boundary, anisotropy and fracture signals are extracted from the formation response th |
| 7380616 |
Automatic downlink system |
June 3, 2008 |
| A controller for a pump for pumping a drilling fluid from a storage unit to a downhole tool includes at least one actuation device coupled to a control console of the pump, and at least one connector coupled to the at least one actuation device and a pump control mechanism of the control |
| 7380602 |
Composition and method for treating a subterranean formation |
June 3, 2008 |
| A method of treating a subterranean formation with a retarded self-diverting fluid system. The method includes contacting the formation with a mixture of acid, chelating agent, and betaine surfactant in which the betaine surfactant is mixed with an aqueous solution of the chelating a |
| 7380601 |
Degradable fiber systems for stimulation |
June 3, 2008 |
| A method for minimizing the amount of metal crosslinked viscosifier necessary for treating a wellbore with proppant or gravel is given. The method includes using fibers to aid in transporting, suspending and placing proppant or gravel in viscous carrier fluids otherwise having insuff |
| 7380600 |
Degradable material assisted diversion or isolation |
June 3, 2008 |
| A method for well treatment by forming a temporary plug in a fracture, a perforation, a wellbore, or more than one of these locations, in a well penetrating a subterranean formation is provided, in which the method of well treatment includes: injecting a slurry comprising a degradable |
| 7380599 |
Apparatus and method for characterizing a reservoir |
June 3, 2008 |
| An apparatus and method for characterizing a subsurface formation is provided. The apparatus includes a tool body, a probe assembly carried by the tool body for sealing off a region of the borehole wall, an actuator for moving the probe assembly between a retracted position for conveyanc |
| 7380597 |
Deployment of underground sensors |
June 3, 2008 |
| A method of installing a sensor located in a chamber on the out-side of a casing, comprising the steps of positioning the casing in a well, cementing the casing in position, positioning a drilling tool inside the casing level with the chamber, drilling through the casing, chamber and |
| 7380595 |
System and method to deploy and expand tubular components deployed through tubing |
June 3, 2008 |
| A system that is usable with a wellbore includes a deployment tool that is attached to a conveyance device and has an unexpanded state and an expanded state. The system also includes a scrolled tubular, such as a sand screen, which is attached to the deployment tool. The tubular is s |
| 7380468 |
Device for integrating electrodes characterizing the flow of a multiphase fluid in a tubing |
June 3, 2008 |
| The invention relates to a device for integrating electrodes (12) characterizing the flow of a multiphase fluid in a tubing (10). The device includes a tube section (14) made out of an electrically insulating material and bearing the electrodes on its external surface. A metal compen |
| 7379819 |
Reservoir sample chain-of-custody |
May 27, 2008 |
| Methods of assuring that a representative formation and/or fluid sample of a subterranean reservoir is obtained are provided. One method of validating a reservoir fluid sample obtained from a wellbore includes the steps of acquiring a reservoir fluid sample in the wellbore; measuring a |
| 7379180 |
Method and apparatus for downhole spectral analysis of fluids |
May 27, 2008 |
| A fluid analysis system for use downhole comprises an input light signal that is directed through a fluid sample housed in a sample cell. The input light signal may originate from a plurality of light sources. An output light signal from the sample cell is then routed to one or more |
| 7378378 |
Rheology enhancers |
May 27, 2008 |
| A method for increasing the rate of shear rehealing of fluids made with cationic, zwitterionic, and amphoteric viscoelastic surfactant fluid systems by adding an effective amount of a rheology enhancer package containing, for example a polyethylene glycol-polypropylene glycol block c |
| 7377321 |
Testing, treating, or producing a multi-zone well |
May 27, 2008 |
| An assembly having plural valves is run into a wellbore having plural zones, where each of the valves is actuatable by dropping a valve-actuating object into the corresponding valve. The valves are successively actuating, in a predetermined sequence, to an open state. The zones are s |
| 7376514 |
Method for determining properties of earth formations using dielectric permittivity measurements |
May 20, 2008 |
| Techniques for estimating the fraction of water in formations being investigated use measurements of dielectric permittivity at a number of frequencies. The techniques have the advantage of minimizing or eliminating external inputs that can introduce inaccuracies. |
| 7373991 |
Swellable elastomer-based apparatus, oilfield elements comprising same, and methods of using sam |
May 20, 2008 |
| Oilfield apparatus and methods of use, the apparatus comprising an elastomeric composition comprising the reaction product of a linear or branched polymer having residual ethylenic unsaturation with an ethylenically unsaturated organic monomer having at least one reactive moiety sele |
| 7373975 |
Downhole recorder system |
May 20, 2008 |
| A downhole recorder system for use with a downhole assembly to be lowered into a borehole comprises at least one recorder uniquely associated to a determined sub-assembly of the downhole assembly. The at least one recorder allows to store operating data related to the determined sub- |
| 7373832 |
Miniaturized membrane and shell for a pressure measuring sensor |
May 20, 2008 |
| Membrane (24) of a shell (20) of a pressure sensor, having an upper and lower chamber (34, 23), wherein the membrane is made by a support wall (36) and a cap (41) having an upper and lower sheets (31, 32), the support wall having a central aperture (33), the support wall separating b |
| 7370700 |
Multiple entrance shunt |
May 13, 2008 |
| Multiple pathways are provided by which fluid can enter one or more alternate pathway conduits. Entrance tubes can be arranged such that their spacing prevents all of them from being simultaneously obstructed, covered, or otherwise blocked. |
| 7367394 |
Formation evaluation while drilling |
May 6, 2008 |
| A sampling while drilling tool positionable in a wellbore penetrating a subterranean formation is provided. The tool includes a drill collar, at least one sample chamber, at least one flowline and at least one cover. The drill collar is operatively connectable to a drill string of the |
| 7367392 |
Wellbore apparatus with sliding shields |
May 6, 2008 |
| Wellbore apparatus including an elongated tubular adapted for disposal within the wellbore. The tubular having an elongated recess formed on its exterior surface along the longitudinal axis. The recess is adapted to accept and house a component therein. A shield disposed within the reces |
| 7366769 |
System, method and computer program product for a universal communication connector |
April 29, 2008 |
| In one embodiment a system for managing communication on a network includes a host connected to a LAN. In a particular embodiment, the host is in a mobile data acquisition unit for a well-logging operation. The host acquires data from a data acquisition device such as a down-hole tra |
| 7366616 |
Computer-based method for while-drilling modeling and visualization of layered subterranean eart |
April 29, 2008 |
| A computer-based method is provided for modeling and visualizing a property of a subterranean earth formation while drilling a borehole therethrough. The computer-based method gathers electromagnetic signals corresponding to a current measurement station location of a measurement-whi |
| 7365307 |
Sigma/porosity tools with neutron monitors |
April 29, 2008 |
| A tool for formation logging includes a support configured for movement in a borehole; a neutron source disposed on the support; a neutron monitor disposed on the support and configured to monitor an output of the neutron source; a gamma-ray detector disposed on the support and spaced |
| 7364007 |
Integrated acoustic transducer assembly |
April 29, 2008 |
| Acoustic transducers configured with integrated electronics technology are adapted to digitize signal data close to the transducer. The transducers are packaged with a reduced number of elements and sealed for exposure to harsh environments, without oil compensation. A transducer assembl |
| 7363988 |
System and method for processing and transmitting information from measurements made while drill |
April 29, 2008 |
| Methods and systems are disclosed for downhole processing of measurements made in a wellbore during the construction of the wellbore. The system includes a sensors located downhole adapted to measure a two downhole parameters. The system uses a downhole processor to calculate a stati |
| 7363974 |
Gravel packing a well |
April 29, 2008 |
| A technique that is usable with a subterranean well includes communicating a slurry through a shunt flow path and operating a control device to isolate slurry from being communicated to an ancillary flow path. The system may include a shunt tube and a diverter. The shunt tube is adapted |
| 7363970 |
Expandable packer |
April 29, 2008 |
| An integral bodied composite packer is constructed entirely of a composite material. It can include an expandable middle portion with an elastomeric cover to engage an exterior surface of a well bore. The expandable portion can include continuous strands of polymeric fibers to reinforce |
