[go: up one dir, main page]

IL120332A - Method and apparatus for eddy current suppression - Google Patents

Method and apparatus for eddy current suppression

Info

Publication number
IL120332A
IL120332A IL12033297A IL12033297A IL120332A IL 120332 A IL120332 A IL 120332A IL 12033297 A IL12033297 A IL 12033297A IL 12033297 A IL12033297 A IL 12033297A IL 120332 A IL120332 A IL 120332A
Authority
IL
Israel
Prior art keywords
eddy current
current suppression
suppression
eddy
current
Prior art date
Application number
IL12033297A
Other languages
English (en)
Other versions
IL120332A0 (en
Original Assignee
Western Atlas Int Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Western Atlas Int Inc filed Critical Western Atlas Int Inc
Publication of IL120332A0 publication Critical patent/IL120332A0/xx
Publication of IL120332A publication Critical patent/IL120332A/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/26—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device
    • G01V3/28—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with magnetic or electric fields produced or modified either by the surrounding earth formation or by the detecting device using induction coils
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
    • G01V3/00—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation
    • G01V3/18—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging
    • G01V3/32—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with electron or nuclear magnetic resonance

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Remote Sensing (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • High Energy & Nuclear Physics (AREA)
  • Electromagnetism (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
  • Magnetic Resonance Imaging Apparatus (AREA)
IL12033297A 1996-03-14 1997-02-26 Method and apparatus for eddy current suppression IL120332A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/615,426 US5710511A (en) 1996-03-14 1996-03-14 Method and apparatus for eddy current suppression

Publications (2)

Publication Number Publication Date
IL120332A0 IL120332A0 (en) 1997-06-10
IL120332A true IL120332A (en) 2000-02-17

Family

ID=24465315

Family Applications (1)

Application Number Title Priority Date Filing Date
IL12033297A IL120332A (en) 1996-03-14 1997-02-26 Method and apparatus for eddy current suppression

Country Status (7)

Country Link
US (1) US5710511A (xx)
CA (1) CA2199755C (xx)
FR (1) FR2752622B1 (xx)
GB (1) GB2311139B (xx)
ID (1) ID16243A (xx)
IL (1) IL120332A (xx)
NO (2) NO970875L (xx)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6051973A (en) * 1996-12-30 2000-04-18 Numar Corporation Method for formation evaluation while drilling
US5814988A (en) * 1997-01-29 1998-09-29 Western Atlas International, Inc. Combination nuclear magnetic resonance and electromagnetic induction resistivity well logging instrument and method
US6291995B1 (en) 1998-03-03 2001-09-18 Schlumberger Technology Corporation Apparatus and method for generating a pulse sequence
US6184681B1 (en) 1998-03-03 2001-02-06 Schlumberger Technology Corporation Apparatus and method for computing a distribution of spin-spin relaxation times
CN1088791C (zh) * 1998-05-08 2002-08-07 中国科学院武汉物理与数学研究所 核磁共振测井仪永磁体
US5994901A (en) * 1998-05-13 1999-11-30 Global Petroleum Resouces Institute Magnetic resonance logging instrument
US6255818B1 (en) 1998-08-18 2001-07-03 Schlumberger Technology Corporation Method and apparatus for performing magnetic resonance measurements
US6452388B1 (en) * 2000-06-28 2002-09-17 Baker Hughes Incorporated Method and apparatus of using soft non-ferritic magnetic material in a nuclear magnetic resonance probe
US6586931B2 (en) * 2001-04-20 2003-07-01 Baker Hughes Incorporated NMR logging in the earth's magnetic field
FR2832255B1 (fr) * 2001-11-13 2004-11-26 France Telecom Peigne et procede de derivation d'un cablage preexistant
US6856132B2 (en) 2002-11-08 2005-02-15 Shell Oil Company Method and apparatus for subterranean formation flow imaging
US7150316B2 (en) * 2004-02-04 2006-12-19 Baker Hughes Incorporated Method of eliminating conductive drill parasitic influence on the measurements of transient electromagnetic components in MWD tools
US7159510B2 (en) * 2004-02-05 2007-01-09 Lamaster Alan L Vertically oriented jerky dehydrator
US7423426B2 (en) * 2004-02-09 2008-09-09 Baker Hughes Incorporated Selective excitation in earth's magnetic field nuclear magnetic resonance well logging tool
US7663363B2 (en) * 2004-02-09 2010-02-16 Baker Hughes Incorporated Method and apparatus for high signal-to-noise ratio NMR well logging
US8207738B2 (en) * 2009-03-24 2012-06-26 Smith International Inc. Non-planar antennae for directional resistivity logging
US8427164B2 (en) * 2009-07-09 2013-04-23 Baker Hughes Incorporated Apparatus and method for reducing effects of eccentricity in induction tools
AU2014311657B2 (en) * 2013-08-30 2017-05-11 Halliburton Energy Services, Inc. Downhole nuclear magnetic resonance (NMR) tool with transversal-dipole antenna configuration
WO2016108834A1 (en) * 2014-12-30 2016-07-07 Halliburton Energy Services, Inc. Nuclear magnetic resonance tool with projections for improved measurements
US10082592B2 (en) * 2015-09-01 2018-09-25 Sondex Wireline Limited Resistivity imager with reduced borehole loading
HUP1900290A1 (hu) * 2019-08-14 2021-03-01 Sandor Levai Eljárás és készülék környezeti rádiófrekvenciás elektromágneses terek mértékének csökkentésére, eljárás nedves fal szárítására, valamint a készülék alkalmazása nedves fal szárítására
CN113075238B (zh) * 2021-03-02 2022-07-29 电子科技大学 一种高压环境下的微波含水率测试装置及其测试方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB721115A (en) * 1952-08-05 1954-12-29 Schlumberger Well Surv Corp Improvements in or relating to induction well logging apparatus
GB1513595A (en) * 1975-07-21 1978-06-07 Texaco Development Corp Radio frequency dielectric induction well logging system
US4264862A (en) * 1979-08-20 1981-04-28 The United States Of America As Represented By The United States Department Of Energy Induction logging device with a pair of mutually perpendicular bucking coils
FR2477285A1 (fr) * 1980-02-29 1981-09-04 Schlumberger Prospection Enveloppe de sonde de diagraphie et son procede de fabrication
US4710713A (en) * 1986-03-11 1987-12-01 Numar Corporation Nuclear magnetic resonance sensing apparatus and techniques
FR2654521B1 (fr) * 1989-11-15 1992-01-24 Elf Aquitaine Source electromagnetique de puits a demeure.
WO1992010768A1 (en) * 1990-12-05 1992-06-25 Numar Corporation System for logging a well during the drilling thereof
US5451873A (en) * 1993-10-05 1995-09-19 Schlumberger Technology Corporation Method and apparatus for determining the in situ larmor frequency of a wellbore NMR tool to compensate for accumulation of magnetic material on the magnet housing of the tool

Also Published As

Publication number Publication date
FR2752622A1 (fr) 1998-02-27
CA2199755C (en) 2006-06-27
NO970875D0 (no) 1997-02-27
GB9703090D0 (en) 1997-04-02
CA2199755A1 (en) 1997-09-14
ID16243A (id) 1997-09-11
GB2311139B (en) 2000-09-13
NO20034406L (no) 1997-09-15
FR2752622B1 (fr) 2001-09-21
GB2311139A (en) 1997-09-17
IL120332A0 (en) 1997-06-10
US5710511A (en) 1998-01-20
NO20034406D0 (no) 2003-10-02
NO970875L (no) 1997-09-15

Similar Documents

Publication Publication Date Title
IL120332A (en) Method and apparatus for eddy current suppression
GB2301514B (en) Apparatus and method for image synthesization
GB9616783D0 (en) Method and apparatus
SG76491A1 (en) Apparatus and method for plasma processing
IL125718A0 (en) Nebulizer apparatus and method
SG64992A1 (en) Processing apparatus and processing method
IL120440A0 (en) Method and apparatus for making metallic iron
SG68611A1 (en) Plasma processing apparatus and plasma processing method
GB2311960B (en) Modelling apparatus and method
SG72766A1 (en) Method and apparatus for processing resist
AP9901569A0 (en) Method and apparatus for processing tobacco
GB2334952B (en) Extension apparatus and method
GB2312812B (en) Interface apparatus an method
GB9620053D0 (en) Method and apparatus for measurement
EP1025337A4 (en) METHOD AND DEVICE FOR LOCKING INTO AN OBJECT
EP0760698A4 (en) DEVICE AND METHOD FOR PRODUCING A COUNTERGRAVITY
GB9812888D0 (en) Apparatus and method for aliging parts
GB2311999B (en) Apparatus and method of electrodiaysis
GB2319520B (en) De-salination apparatus and method
GB9611254D0 (en) Method and apparatus
GB9614835D0 (en) Method and apparatus
IL122654A0 (en) Method and apparatus for guiding electric current
EP0913499A4 (en) ELECTRICAL ANTI-CORROSION PROCESS AND DEVICE
GB9609025D0 (en) Separation method and apparatus
ZA967824B (en) Method for reducing chromium-ore and apparatus therefor

Legal Events

Date Code Title Description
FF Patent granted
KB Patent renewed
KB Patent renewed
MM9K Patent not in force due to non-payment of renewal fees