IT997160B
(en)
*
|
1973-10-25 |
1975-12-30 |
Finike Italiana Marposs |
MOBILE CREW FOR DIRECT PROBE COMPARATOR
|
US3940855A
(en)
*
|
1974-07-19 |
1976-03-02 |
T. D. Williamson, Inc. |
Pipeline pig
|
US3978924A
(en)
*
|
1975-10-28 |
1976-09-07 |
Dresser Industries, Inc. |
Hidden bow spring for calipers and centralizers
|
FR2395516A1
(en)
*
|
1977-06-24 |
1979-01-19 |
Schlumberger Prospection |
PROCEDURE AND DEVICE FOR EXPLORING BORES
|
US4307514A
(en)
*
|
1979-11-01 |
1981-12-29 |
Westinghouse Electric Corp. |
Bore diameter measurement gage
|
FR2512488A1
(en)
*
|
1981-09-09 |
1983-03-11 |
Schlumberger Prospection |
METHOD AND DEVICE FOR DIAGRAPHY USING A PROBE EQUIPPED WITH MEASURING SKATES
|
FR2545872B1
(en)
*
|
1983-05-10 |
1985-07-26 |
Schlumberger Prospection |
APPARATUS FOR CENTERING A TOOL IN A TUBE WELL, PARTICULARLY FOR DEVIE WELLS
|
JPS62159038A
(en)
*
|
1985-12-30 |
1987-07-15 |
シユルンベルジエ オ−バ−シ−ズ エス.エイ. |
Boring-casing diagnostic device
|
US4757873A
(en)
*
|
1986-11-25 |
1988-07-19 |
Nl Industries, Inc. |
Articulated transducer pad assembly for acoustic logging tool
|
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
|
US5086645A
(en)
*
|
1990-04-10 |
1992-02-11 |
Halliburton Logging Services, Inc. |
Multiple caliper arms capable of independent movement
|
US4982505A
(en)
*
|
1990-04-16 |
1991-01-08 |
Silvano Pocci |
Gauge for measuring both the depth and the diameter of a bore hole
|
GB2281968B
(en)
*
|
1993-09-20 |
1996-05-01 |
Hunt Grubbe Robert |
Measuring instruments
|
DE4429917A1
(en)
*
|
1994-08-23 |
1996-02-29 |
Keller Grundbau Gmbh |
Determination of the diameter or wall thickness of support or wall elements
|
DE19949393C1
(en)
*
|
1999-10-13 |
2001-06-07 |
Keller Grundbau Gmbh |
Support or wall in a borehole is formed by a jet at the drill rod which sprays a mixture of loose soil and concrete with a lower coil spring to monitor the edge of the mixture for a controlled wall thickness
|
US6622803B2
(en)
*
|
2000-03-22 |
2003-09-23 |
Rotary Drilling Technology, Llc |
Stabilizer for use in a drill string
|
DE10064187C1
(en)
*
|
2000-12-22 |
2002-05-08 |
Keller Grundbau Gmbh |
Diameter measuring device for ground foundation or wall element has measuring element provided by rod-shaped profile with 2 concave strips pressed together for switching from flexible state to rigid state
|
DE10113804C2
(en)
*
|
2001-03-21 |
2003-01-16 |
Keller Grundbau Gmbh |
Device for measuring the radius or diameter of cavities
|
US6910533B2
(en)
*
|
2002-04-02 |
2005-06-28 |
Schlumberger Technology Corporation |
Mechanism that assists tractoring on uniform and non-uniform surfaces
|
FR2844297B1
(en)
*
|
2002-09-10 |
2005-07-01 |
Schlumberger Services Petrol |
MEASURING PROBE FOR A HYDROCARBON WELL
|
DE10313912B4
(en)
*
|
2003-03-27 |
2007-07-12 |
Keller Grundbau Gmbh |
Device for determining the diameter or radius of cavities
|
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
|
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
|
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
|
US8464791B2
(en)
*
|
2010-08-30 |
2013-06-18 |
Schlumberger Technology Corporation |
Arm system for logging a wellbore and method for using same
|
CA2763295A1
(en)
*
|
2011-01-10 |
2012-07-10 |
Pii Limited |
Apparatus for pipeline inspection
|
CN103061751B
(en)
*
|
2012-11-30 |
2015-04-08 |
中国电子科技集团公司第二十二研究所 |
Microballoon density hole diameter combination sidewall contact device based on hydraulic principle and logger
|
DE102013205765B4
(en)
*
|
2013-04-02 |
2021-06-02 |
Gud Geotechnik Und Dynamik Consult Gmbh |
Quality assurance system for diaphragm wall joints
|
US9429012B2
(en)
*
|
2013-05-07 |
2016-08-30 |
Saudi Arabian Oil Company |
Downhole salinity measurement
|
GB2518166B
(en)
|
2013-09-11 |
2020-05-27 |
Reeves Wireline Tech Ltd |
A logging tool and method of its use
|
CN104121008B
(en)
*
|
2014-07-18 |
2017-01-11 |
北京中石曙光科技有限公司 |
Sidewall contact device and oil logger with same
|
GB2533779B
(en)
*
|
2014-12-24 |
2019-05-08 |
Reeves Wireline Tech Ltd |
A logging tool
|
US10030503B2
(en)
|
2015-02-20 |
2018-07-24 |
Schlumberger Technology Corporation |
Spring with integral borehole wall applied sensor
|
CN104712319A
(en)
*
|
2015-03-13 |
2015-06-17 |
成都大漠石油机械有限公司 |
Oil well gradient measuring device
|
CN104790937A
(en)
*
|
2015-03-13 |
2015-07-22 |
成都大漠石油机械有限公司 |
Real-time monitoring mechanism for oil well conditions
|
CN104790940A
(en)
*
|
2015-03-13 |
2015-07-22 |
成都大漠石油机械有限公司 |
Auxiliary oil well perpendicularity measuring device
|
US9850724B2
(en)
|
2015-04-02 |
2017-12-26 |
Schlumberger Technology Corporation |
Downhole tools and methods of controlling downhole tools
|
US10240440B2
(en)
*
|
2015-10-23 |
2019-03-26 |
Don Umphries |
Total control perforator and system
|
GB2545914A
(en)
*
|
2015-12-30 |
2017-07-05 |
Huyton Stuart |
Adjustable roller centralizer
|
US10358907B2
(en)
*
|
2017-04-17 |
2019-07-23 |
Schlumberger Technology Corporation |
Self retracting wall contact well logging sensor
|
CN107740687B
(en)
*
|
2017-10-17 |
2020-10-23 |
巴音郭楞职业技术学院 |
Hole diameter logging instrument
|
CN108180810A
(en)
*
|
2017-12-26 |
2018-06-19 |
湖南天洋信息科技有限公司 |
A kind of measuring method of gas electricity instrument and application the gas electricity instrument
|
WO2020236142A1
(en)
|
2019-05-17 |
2020-11-26 |
Halliburton Energy Services, Inc. |
Passive arm for bi-directional well logging instrument
|
CN110318739B
(en)
*
|
2019-07-29 |
2024-05-14 |
长安大学 |
Explosion-proof type wall of a well diameter measuring device
|
US11414985B2
(en)
*
|
2020-05-28 |
2022-08-16 |
Saudi Arabian Oil Company |
Measuring wellbore cross-sections using downhole caliper tools
|
CN112878993A
(en)
*
|
2021-01-14 |
2021-06-01 |
中国石油天然气集团有限公司 |
Plate spring type six-arm transfer caliper
|
CN112880523B
(en)
*
|
2021-02-25 |
2022-06-03 |
中冶建工集团有限公司 |
Device for measuring pipe diameter and pipe depth of drain pipe
|
CN112880522B
(en)
*
|
2021-02-25 |
2022-06-03 |
中冶建工集团有限公司 |
Pipe diameter measuring method for vertical pipeline and horizontal pipeline
|
US12012846B2
(en)
|
2021-12-30 |
2024-06-18 |
Halliburton Energy Services, Inc |
Borehole geometry sensor and running tool assemblies and methods to deploy a completion component in a lateral bore
|