CA685727A
(en)
|
|
1964-05-05 |
Schlumberger Limited |
Method of and apparatus for borehole logging
|
US1907168A
(en)
|
1930-09-22 |
1933-05-02 |
L A Wagner |
Mechanism for recording the deviation from the perpendicular of a drill hole
|
US3060373A
(en)
|
1959-06-16 |
1962-10-23 |
Schlumberger Well Surv Corp |
Apparatus for investigating earth formations
|
US3132298A
(en)
|
1959-06-16 |
1964-05-05 |
Schlumberger Well Surv Corp |
Methods and apparatus for investigating earth boreholes by means of electrodes constructed to contact the borehole walls
|
FR1306134A
(fr)
|
1961-08-31 |
1962-10-13 |
Schlumberger Prospection |
Perfectionnements aux sondes à patins employées en géophysique
|
US3379963A
(en)
|
1965-04-02 |
1968-04-23 |
Schlumberger Technology Corp |
Well logging pad member constructed to contorm to borehole wall curvature
|
US3379964A
(en)
|
1965-04-02 |
1968-04-23 |
Schlumberger Technology Corp |
Well logging pad structure having pivotally interconnected members
|
FR1549531A
(pt)
|
1967-11-02 |
1968-12-13 |
Schlumberger Prospection |
|
US3579098A
(en)
|
1968-10-24 |
1971-05-18 |
Dresser Ind |
Method and combination well-logging apparatus for conducting both deep and shallow investigation of the formations surrounding a borehole
|
US4121345A
(en)
|
1977-04-13 |
1978-10-24 |
Dresser Industries, Inc. |
Linearly corrected articulated linkage for wellbore measuring instrument
|
FR2395516A1
(fr)
|
1977-06-24 |
1979-01-19 |
Schlumberger Prospection |
Procede et dispositif pour l'exploration des sondages
|
US4468623A
(en)
|
1981-07-30 |
1984-08-28 |
Schlumberger Technology Corporation |
Method and apparatus using pad carrying electrodes for electrically investigating a borehole
|
FR2512488A1
(fr)
|
1981-09-09 |
1983-03-11 |
Schlumberger Prospection |
Procede et dispositif de diagraphie utilisant une sonde equipee de patins de mesure
|
US4692908A
(en)
|
1982-03-24 |
1987-09-08 |
Schlumberger-Doll Research |
Method and apparatus for investigating stand-off in a borehole
|
US4567759A
(en)
|
1982-10-27 |
1986-02-04 |
Schlumberger Technology Corporation |
Method and apparatus for producing an image log of a wall of a borehole penetrating an earth formation
|
US4545242A
(en)
|
1982-10-27 |
1985-10-08 |
Schlumberger Technology Corporation |
Method and apparatus for measuring the depth of a tool in a borehole
|
US4588951A
(en)
|
1983-07-06 |
1986-05-13 |
Schlumberger Technology Corporation |
Arm apparatus for pad-type logging devices
|
US5038378A
(en)
|
1985-04-26 |
1991-08-06 |
Schlumberger Technology Corporation |
Method and apparatus for smoothing measurements and detecting boundaries of features
|
US4851781A
(en)
|
1986-04-22 |
1989-07-25 |
Schlumberger Technology Corporation |
Method and apparatus for investigating a borehole using an array of elements
|
US4757873A
(en)
|
1986-11-25 |
1988-07-19 |
Nl Industries, Inc. |
Articulated transducer pad assembly for acoustic logging tool
|
US4857831A
(en)
|
1986-12-29 |
1989-08-15 |
Schlumberger Technology Corporation |
Borehole casing diagnostic apparatus and method
|
FR2611919B1
(fr)
|
1987-03-05 |
1989-06-16 |
Schlumberger Prospection |
Sonde de diagraphie equipee de patins de mesure a large champ d'observation angulaire
|
US4830105A
(en)
*
|
1988-02-08 |
1989-05-16 |
Atlantic Richfield Company |
Centralizer for wellbore apparatus
|
US4926937A
(en)
|
1989-06-08 |
1990-05-22 |
Western Atlas International, Inc. |
Compound linkage-arm assembly for use in bore-hole tools
|
US5092056A
(en)
|
1989-09-08 |
1992-03-03 |
Halliburton Logging Services, Inc. |
Reversed leaf spring energizing system for wellbore caliper arms
|
US4979585A
(en)
|
1989-10-02 |
1990-12-25 |
Halliburton Logging Services, Inc. |
Compound suspension linkage
|
US5012193A
(en)
|
1989-11-01 |
1991-04-30 |
Schlumberger Technology Corp. |
Method and apparatus for filtering data signals produced by exploration of earth formations
|
US5008625A
(en)
|
1989-11-01 |
1991-04-16 |
Schlumberger Technology Corporation |
Method and apparatus for logging and displaying a two dimensional image of spontaneous potential
|
NO314775B1
(no)
*
|
1994-10-14 |
2003-05-19 |
Western Atlas Int Inc |
Anordning og fremgangsmåte for logging basert på måling over et rörtverrsnitt
|
US5794703A
(en)
|
1996-07-03 |
1998-08-18 |
Ctes, L.C. |
Wellbore tractor and method of moving an item through a wellbore
|
US6112809A
(en)
|
1996-12-02 |
2000-09-05 |
Intelligent Inspection Corporation |
Downhole tools with a mobility device
|
US6070677A
(en)
*
|
1997-12-02 |
2000-06-06 |
I.D.A. Corporation |
Method and apparatus for enhancing production from a wellbore hole
|
US6191588B1
(en)
|
1998-07-15 |
2001-02-20 |
Schlumberger Technology Corporation |
Methods and apparatus for imaging earth formation with a current source, a current drain, and a matrix of voltage electrodes therebetween
|
US6647637B2
(en)
|
2000-11-01 |
2003-11-18 |
Baker Hughes Incorporated |
Use of magneto-resistive sensors for borehole logging
|
US6560889B1
(en)
*
|
2000-11-01 |
2003-05-13 |
Baker Hughes Incorporated |
Use of magneto-resistive sensors for borehole logging
|
GB0103702D0
(en)
|
2001-02-15 |
2001-03-28 |
Computalog Usa Inc |
Apparatus and method for actuating arms
|
US6809521B2
(en)
|
2001-04-18 |
2004-10-26 |
Baker Hughes Incorporated |
Apparatus and method for wellbore resistivity measurements in oil-based muds using capacitive coupling
|
US6711947B2
(en)
*
|
2001-06-13 |
2004-03-30 |
Rem Scientific Enterprises, Inc. |
Conductive fluid logging sensor and method
|
US6851476B2
(en)
*
|
2001-08-03 |
2005-02-08 |
Weather/Lamb, Inc. |
Dual sensor freepoint tool
|
US7383876B2
(en)
*
|
2001-08-03 |
2008-06-10 |
Weatherford/Lamb, Inc. |
Cutting tool for use in a wellbore tubular
|
US6629568B2
(en)
|
2001-08-03 |
2003-10-07 |
Schlumberger Technology Corporation |
Bi-directional grip mechanism for a wide range of bore sizes
|
CA2415921C
(en)
|
2002-01-14 |
2013-11-26 |
Computalog Usa Inc. |
Method and apparatus for full offset resistivity imaging for use in boreholes
|
US6920936B2
(en)
*
|
2002-03-13 |
2005-07-26 |
Schlumberger Technology Corporation |
Constant force actuator
|
US6910533B2
(en)
|
2002-04-02 |
2005-06-28 |
Schlumberger Technology Corporation |
Mechanism that assists tractoring on uniform and non-uniform surfaces
|
US6796380B2
(en)
*
|
2002-08-19 |
2004-09-28 |
Baker Hughes Incorporated |
High expansion anchor system
|
FR2844297B1
(fr)
*
|
2002-09-10 |
2005-07-01 |
Schlumberger Services Petrol |
Sonde de mesure pour un puits d'hydrocarbures
|
US7098664B2
(en)
*
|
2003-12-22 |
2006-08-29 |
Halliburton Energy Services, Inc. |
Multi-mode oil base mud imager
|
GB0414672D0
(en)
*
|
2004-06-03 |
2004-08-04 |
Pii Ltd |
In-line pipe inspection tool
|
US7281578B2
(en)
*
|
2004-06-18 |
2007-10-16 |
Schlumberger Technology Corporation |
Apparatus and methods for positioning in a borehole
|
US20060067162A1
(en)
*
|
2004-09-29 |
2006-03-30 |
Blankinship Thomas J |
Ultrasonic cement scanner
|
US7131210B2
(en)
|
2004-09-30 |
2006-11-07 |
Schlumberger Technology Corporation |
Borehole caliper tool
|
US7069775B2
(en)
|
2004-09-30 |
2006-07-04 |
Schlumberger Technology Corporation |
Borehole caliper tool using ultrasonic transducer
|
US7543512B2
(en)
|
2005-04-13 |
2009-06-09 |
General Electric Company |
Bore inspection probe
|
US20060290353A1
(en)
*
|
2005-06-27 |
2006-12-28 |
Schlumberger Technology Corporation |
Pad assembly for logging tool
|
US7436185B2
(en)
*
|
2005-06-27 |
2008-10-14 |
Schlumberger Technology Corporation |
Highly integrated logging tool
|
GB0515070D0
(en)
*
|
2005-07-22 |
2005-08-31 |
Moyes Peter B |
Downhole tool
|
US8905148B2
(en)
*
|
2006-02-09 |
2014-12-09 |
Schlumberger Technology Corporation |
Force monitoring tractor
|
US7516782B2
(en)
*
|
2006-02-09 |
2009-04-14 |
Schlumberger Technology Corporation |
Self-anchoring device with force amplification
|
US7661477B2
(en)
*
|
2006-03-31 |
2010-02-16 |
Schlumberger Technology Corporation |
System and method for unsticking a tool stuck in a wellbore
|
CA2669151C
(en)
*
|
2006-11-14 |
2013-05-14 |
Rudolph Ernst Krueger V |
Variable linkage assisted gripper
|
US9133673B2
(en)
|
2007-01-02 |
2015-09-15 |
Schlumberger Technology Corporation |
Hydraulically driven tandem tractor assembly
|
US7886834B2
(en)
*
|
2007-09-18 |
2011-02-15 |
Schlumberger Technology Corporation |
Anchoring system for use in a wellbore
|
GB2454697B
(en)
*
|
2007-11-15 |
2011-11-30 |
Schlumberger Holdings |
Anchoring systems for drilling tools
|
US9188698B2
(en)
*
|
2008-03-27 |
2015-11-17 |
Schlumberger Technology Corporation |
Expandable downhole tool
|
US8910720B2
(en)
*
|
2009-06-22 |
2014-12-16 |
Schlumberger Technology Corporation |
Downhole tool with roller screw assembly
|
US8365822B2
(en)
*
|
2009-08-31 |
2013-02-05 |
Schlumberger Technology Corporation |
Interleaved arm system for logging a wellbore and method for using same
|
EP2290190A1
(en)
*
|
2009-08-31 |
2011-03-02 |
Services Petroliers Schlumberger |
Method and apparatus for controlled bidirectional movement of an oilfield tool in a wellbore environment
|
US8714270B2
(en)
*
|
2009-09-28 |
2014-05-06 |
Halliburton Energy Services, Inc. |
Anchor assembly and method for anchoring a downhole tool
|
US8464791B2
(en)
*
|
2010-08-30 |
2013-06-18 |
Schlumberger Technology Corporation |
Arm system for logging a wellbore and method for using same
|
US8485253B2
(en)
*
|
2010-08-30 |
2013-07-16 |
Schlumberger Technology Corporation |
Anti-locking device for use with an arm system for logging a wellbore and method for using same
|
US20120205093A1
(en)
*
|
2011-02-14 |
2012-08-16 |
Nathan Paszek |
Instrument for Centering Tools Within a Wellbore
|
US9097086B2
(en)
*
|
2011-09-19 |
2015-08-04 |
Saudi Arabian Oil Company |
Well tractor with active traction control
|
US9447648B2
(en)
*
|
2011-10-28 |
2016-09-20 |
Wwt North America Holdings, Inc |
High expansion or dual link gripper
|
US10294744B2
(en)
*
|
2012-07-24 |
2019-05-21 |
Robertson Intellectual Properties, LLC |
Systems and methods for setting an extreme-range anchor within a wellbore
|
US10865614B2
(en)
*
|
2012-07-24 |
2020-12-15 |
Robertson Intellectual Properties, LLC |
Systems and methods for setting an extreme-range anchor within a wellbore
|
US9482067B2
(en)
*
|
2013-06-21 |
2016-11-01 |
Tam International, Inc. |
Hydraulic anchor for downhole packer
|
US9488020B2
(en)
*
|
2014-01-27 |
2016-11-08 |
Wwt North America Holdings, Inc. |
Eccentric linkage gripper
|
WO2016130142A1
(en)
*
|
2015-02-13 |
2016-08-18 |
Halliburton Energy Services, Inc. |
Downhole apparatus with anchors and failsafe high torque transmission drive
|
US10705242B2
(en)
*
|
2015-02-26 |
2020-07-07 |
Halliburton Energy Services, Inc. |
Downhole sensor deployment assembly
|
WO2016137465A1
(en)
*
|
2015-02-26 |
2016-09-01 |
Halliburton Energy Services, Inc. |
Downhole activation of seismic tools
|
US9850724B2
(en)
*
|
2015-04-02 |
2017-12-26 |
Schlumberger Technology Corporation |
Downhole tools and methods of controlling downhole tools
|
US20160298396A1
(en)
*
|
2015-04-08 |
2016-10-13 |
Probe Technology Services, Inc. |
Constant force centralizer
|
US20170350237A1
(en)
*
|
2016-06-03 |
2017-12-07 |
Schlumberger Technology Corporation |
Methods and appartus for remote actuation of a downhole device in a wellbore
|
GB2561814B
(en)
*
|
2016-10-10 |
2019-05-15 |
Ardyne Holdings Ltd |
Downhole test tool and method of use
|
BR112019025202A2
(pt)
*
|
2017-06-20 |
2020-06-23 |
Sondex Wireline Limited |
Sistema e método de implantação de sensor
|
US20190063214A1
(en)
*
|
2017-08-22 |
2019-02-28 |
Baker Hughes, A Ge Company, Llc |
Wellbore tool positioning system and method
|
US11377946B2
(en)
|
2018-03-13 |
2022-07-05 |
Halliburton Energy Services, Inc. |
Borehole imaging tool
|
US11248427B2
(en)
*
|
2018-08-06 |
2022-02-15 |
Schlumberger Technology Corporation |
Systems and methods for manipulating wellbore completion products
|
US20200340317A1
(en)
*
|
2019-04-26 |
2020-10-29 |
Exxonmobil Upstream Research Company |
Kickover Tools and Methods of Operating the Same in Hydrocarbon Wells
|
US11579135B2
(en)
*
|
2019-05-14 |
2023-02-14 |
Halliburton Energy Services, Inc. |
System and method for measuring mud properties
|
WO2020231447A1
(en)
*
|
2019-05-16 |
2020-11-19 |
Halliburton Energy Services, Inc. |
Anisotropic formation modeling
|
US11442193B2
(en)
*
|
2019-05-17 |
2022-09-13 |
Halliburton Energy Services, Inc. |
Passive arm for bi-directional well logging instrument
|
US11796434B2
(en)
*
|
2019-08-16 |
2023-10-24 |
Schlumberger Technology Corporation |
Apparatus and method for testing rock heterogeneity
|
US10968712B1
(en)
*
|
2019-10-25 |
2021-04-06 |
Baker Hughes Oilfield Operations Llc |
Adaptable anchor, system and method
|
US11261710B2
(en)
*
|
2020-02-25 |
2022-03-01 |
Saudi Arabian Oil Company |
Well perforating using electrical discharge machining
|
US11136880B1
(en)
*
|
2021-01-15 |
2021-10-05 |
Petromac Ip Limited |
Device for centering a sensor assembly in a bore
|