FR2407485A1
(fr)
*
|
1977-10-28 |
1979-05-25 |
Schlumberger Prospection |
Methode et dispositif d'essai des sondes de diagraphie electrique
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AU524809B2
(en)
*
|
1978-01-21 |
1982-10-07 |
Schlumberger Overseas, S.A. |
Electrical and inductive well-logging
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US4278942A
(en)
*
|
1978-11-24 |
1981-07-14 |
Schlumberger Technology Corporation |
Seal and pressure balance system for an electrode-type logging sonde
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US4282486A
(en)
*
|
1978-12-04 |
1981-08-04 |
Dresser Industries, Inc. |
Dual focused resistivity logging method and apparatus with dynamic range reduction
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US4335353A
(en)
*
|
1979-06-18 |
1982-06-15 |
Schlumberger Technology Corporation |
Method and apparatus for detecting an anomaly in a resistivity measurement of an earth formation
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US4471307A
(en)
*
|
1982-04-02 |
1984-09-11 |
Halliburton Company |
Amplitude modulated resistivity logging system
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US4736300A
(en)
*
|
1982-04-30 |
1988-04-05 |
Western Atlas International, Inc. |
Automatic gain control of formation measurements by varying induced current flow
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US4594887A
(en)
*
|
1982-09-13 |
1986-06-17 |
Dresser Industries, Inc. |
Method and apparatus for determining characteristics of clay-bearing formations
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US4953399A
(en)
*
|
1982-09-13 |
1990-09-04 |
Western Atlas International, Inc. |
Method and apparatus for determining characteristics of clay-bearing formations
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US4756189A
(en)
*
|
1982-09-13 |
1988-07-12 |
Western Atlas International, Inc. |
Method and apparatus for determining characteristics of clay-bearing formations
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US4622849A
(en)
*
|
1982-09-13 |
1986-11-18 |
Dresser Industries, Inc. |
Method and apparatus for determining characteristics of clay-bearing formations
|
JPS59145703A
(ja)
*
|
1983-02-09 |
1984-08-21 |
Toyo Tire & Rubber Co Ltd |
金属粉末の焼結方法
|
JPS59133171U
(ja)
*
|
1983-02-28 |
1984-09-06 |
大久保 敬四郎 |
消しゴムクリ−ナ−
|
US4628267A
(en)
*
|
1983-04-15 |
1986-12-09 |
The United States Of America As Represented By The United States Department Of Energy |
Measuring of electrical changes induced by in situ combustion through flow-through electrodes in a laboratory sample of core material
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US4583046A
(en)
*
|
1983-06-20 |
1986-04-15 |
Shell Oil Company |
Apparatus for focused electrode induced polarization logging
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US4588951A
(en)
*
|
1983-07-06 |
1986-05-13 |
Schlumberger Technology Corporation |
Arm apparatus for pad-type logging devices
|
US4594552A
(en)
*
|
1983-07-06 |
1986-06-10 |
Schlumberger Technology Corporation |
Logging method and apparatus for measuring earth formation resistivity as well as arm mechanism for the same
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US4692707A
(en)
*
|
1983-07-06 |
1987-09-08 |
Schlumberger Technology Corporation |
Method and apparatus for measuring the earth formation resistivity of a plurality of radial regions around a borehole
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JPS61221301A
(ja)
*
|
1985-03-27 |
1986-10-01 |
Munekata Kk |
金属圧粉体組成物
|
US4675611A
(en)
*
|
1985-07-31 |
1987-06-23 |
Chevron Research Company |
Method of logging an earth formation penetrated by a borehole to provide an improved estimate of impedance distribution of the formation
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US4677386A
(en)
*
|
1985-07-31 |
1987-06-30 |
Chevron Research Company |
Method of interpreting impedance distribution of an earth formation obtained by a moving array using end emitting current electrodes sequentially activated and a series of potential electrodes
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US4703279A
(en)
*
|
1985-07-31 |
1987-10-27 |
Chevron Research Company |
Method of interpreting impedance distribution of an earth formation penetrated by a borehole using precursor data provided by a moving logging array having a single continuously emitting current electrode and a multiplicity of potential electrodes
|
US4675610A
(en)
*
|
1985-07-31 |
1987-06-23 |
Chevron Research Company |
Method of logging an earth formation penetrated by a borehole to provide an improved estimate of impedance distribution with depth using a single continuously emitting current electrode and a multiplicity of potential electrodes of a moving logging array
|
US4714889A
(en)
*
|
1985-07-31 |
1987-12-22 |
Chevron Research Company |
Method of interpreting impedance distribution of an earth formation using precursor logging data provided by a multi-electrode logging array stationary within a borehole
|
JPS6244506A
(ja)
*
|
1985-08-21 |
1987-02-26 |
Yoshida Kogyo Kk <Ykk> |
ステンレス鋼粉の多孔質焼結体の製造法
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US5268641A
(en)
*
|
1990-09-12 |
1993-12-07 |
Schlumberger Technology Corporation |
Logging method and apparatus for measuring the Grondingen effect-corrected resistivity of earth formations
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FR2666661B1
(fr)
*
|
1990-09-12 |
1993-03-26 |
Schlumberger Services Petrol |
Procede et dispositif de diagraphie pour mesurer la resistivite des formations geologiques.
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US5335542A
(en)
*
|
1991-09-17 |
1994-08-09 |
Schlumberger Technology Corporation |
Integrated permeability measurement and resistivity imaging tool
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FR2684453B1
(fr)
*
|
1991-11-28 |
1994-03-11 |
Schlumberger Services Petroliers |
Procede et dispositif de diagraphie a electrodes annulaires et azimutales.
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FR2684452B1
(fr)
*
|
1991-11-28 |
1996-12-13 |
Schlumberger Services Petrol |
Procede et dispositif de diagraphie a electrodes azimutales.
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FR2686159B1
(fr)
*
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1992-01-14 |
1997-07-18 |
Schlumberger Services Petrol |
Procede et dispositif de diagraphie a electrodes azimutales passives.
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FR2687228B1
(fr)
*
|
1992-02-12 |
1994-05-06 |
Schlumberger Services Petroliers |
Procede et dispositif de diagraphie pour l'etude de caracteristiques geometriques d'un forage.
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US6023168A
(en)
*
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1995-08-21 |
2000-02-08 |
Schlumberger Technology Corporation |
Apparatus and method for measuring the resistivity of underground formations
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US6373254B1
(en)
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1998-06-05 |
2002-04-16 |
Schlumberger Technology Corporation |
Method and apparatus for controlling the effect of contact impedance on a galvanic tool in a logging-while-drilling application
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GB2355802B
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*
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1999-10-30 |
2004-05-05 |
Reeves Wireline Tech Ltd |
Borehole resistivity measurement apparatus
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US6302203B1
(en)
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2000-03-17 |
2001-10-16 |
Schlumberger Technology Corporation |
Apparatus and method for communicating with devices positioned outside a liner in a wellbore
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US6693430B2
(en)
*
|
2000-12-15 |
2004-02-17 |
Schlumberger Technology Corporation |
Passive, active and semi-active cancellation of borehole effects for well logging
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US6573722B2
(en)
|
2000-12-15 |
2003-06-03 |
Schlumberger Technology Corporation |
Method and apparatus for cancellation of borehole effects due to a tilted or transverse magnetic dipole
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US7098664B2
(en)
*
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2003-12-22 |
2006-08-29 |
Halliburton Energy Services, Inc. |
Multi-mode oil base mud imager
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US7109719B2
(en)
*
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2004-05-11 |
2006-09-19 |
Baker Hughes Incorporated |
Method and apparatus for azimuthal resistivity measurements in a borehole
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US7256582B2
(en)
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2005-04-20 |
2007-08-14 |
Baker Hughes Incorporated |
Method and apparatus for improved current focusing in galvanic resistivity measurement tools for wireline and measurement-while-drilling applications
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US7677104B2
(en)
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2006-12-20 |
2010-03-16 |
Chandler Instruments Company, LLC |
Acoustic transducer system for nondestructive testing of cement
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US7759942B2
(en)
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2007-03-28 |
2010-07-20 |
Schlumberger Technology Corporation |
Lightweight, low cost structure for formation conductivity measuring instrument
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US7986144B2
(en)
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2007-07-26 |
2011-07-26 |
Schlumberger Technology Corporation |
Sensor and insulation layer structure for well logging instruments
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US8234071B2
(en)
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2008-09-11 |
2012-07-31 |
Baker Hughes Incorporated |
Laterolog shunt measurement
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MX336173B
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2012-01-03 |
2016-01-06 |
Halliburton Energy Services Inc |
Herramienta laterolog de arreglo enfocado.
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WO2014011189A1
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2012-07-13 |
2014-01-16 |
1/5)Halliburton Energy Services, Inc. |
Apparatus and method for temperature independent balancing of a tool
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KR101203085B1
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2012-07-27 |
2012-11-21 |
한국지질자원연구원 |
비분극 프로브 및 이를 포함하는 시추공 광대역 유도분극 검층기
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US9434875B1
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2014-12-16 |
2016-09-06 |
Carbo Ceramics Inc. |
Electrically-conductive proppant and methods for making and using same
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US11008505B2
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2013-01-04 |
2021-05-18 |
Carbo Ceramics Inc. |
Electrically conductive proppant
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BR112015015733A2
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2013-01-04 |
2017-07-11 |
Carbo Ceramics Inc |
partículas de areia revestidas com resina eletricamente condutivas e métodos para detectar, localizar e caracterizar as partículas de areia eletricamente condutivas
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US9551210B2
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2014-08-15 |
2017-01-24 |
Carbo Ceramics Inc. |
Systems and methods for removal of electromagnetic dispersion and attenuation for imaging of proppant in an induced fracture
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CN109505592B
(zh)
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2017-09-14 |
2021-10-12 |
中国石油化工股份有限公司 |
高增益随钻电阻率信号接收装置
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