CA1199681A - Deconvolution filter for induction log processing - Google Patents

Deconvolution filter for induction log processing

Info

Publication number
CA1199681A
CA1199681A CA000418719A CA418719A CA1199681A CA 1199681 A CA1199681 A CA 1199681A CA 000418719 A CA000418719 A CA 000418719A CA 418719 A CA418719 A CA 418719A CA 1199681 A CA1199681 A CA 1199681A
Authority
CA
Canada
Prior art keywords
function
response function
conductivity
sonde
measurements
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
CA000418719A
Other languages
English (en)
French (fr)
Inventor
Clinton H. Dutcher, Jr.
Richard T. Schaefer
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger Canada Ltd
Original Assignee
Schlumberger Canada Ltd
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 Schlumberger Canada Ltd filed Critical Schlumberger Canada Ltd
Application granted granted Critical
Publication of CA1199681A publication Critical patent/CA1199681A/en
Expired legal-status Critical Current

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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Electromagnetism (AREA)
  • Environmental & Geological Engineering (AREA)
  • Geology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics (AREA)
  • Geophysics And Detection Of Objects (AREA)
CA000418719A 1982-01-12 1982-12-30 Deconvolution filter for induction log processing Expired CA1199681A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/338,951 US4467425A (en) 1982-01-12 1982-01-12 Deconvolution filter for induction log processing
US338,951 1982-12-01

Publications (1)

Publication Number Publication Date
CA1199681A true CA1199681A (en) 1986-01-21

Family

ID=23326831

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000418719A Expired CA1199681A (en) 1982-01-12 1982-12-30 Deconvolution filter for induction log processing

Country Status (4)

Country Link
US (1) US4467425A (enExample)
JP (1) JPS58198784A (enExample)
CA (1) CA1199681A (enExample)
PH (1) PH20127A (enExample)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4604581A (en) * 1983-01-11 1986-08-05 Halliburton Company Method and apparatus for deconvolving apparent conductivity measurements in induction well logging
US5157605A (en) * 1987-04-27 1992-10-20 Schlumberger Technology Corporation Induction logging method and apparatus including means for combining on-phase and quadrature components of signals received at varying frequencies and including use of multiple receiver means associated with a single transmitter
US4837517A (en) * 1987-07-16 1989-06-06 Schlumberger Technology Corporation Spatial frequency method and apparatus for investigating earth conductivity with high vertical resolution by induction techniques
US4800496A (en) * 1987-09-28 1989-01-24 Schlumberger Technology Corporation Method for determining induction sonde error
US4958286A (en) * 1988-06-27 1990-09-18 Western Atlas International, Inc. Time-variant filter coefficients
US4965522A (en) * 1988-11-09 1990-10-23 Schlumberger Technology Corporation Multifrequency signal transmitter with attenuation of selected harmonies for an array induction well logging apparatus
US5227972A (en) * 1989-09-18 1993-07-13 Halliburton Logging Services, Inc. Matched filter data smoothing system
US5811972A (en) * 1991-04-29 1998-09-22 Baker Hughes Incorporated Method and apparatus for determining influence of mutual magnetic coupling in electromagnetic propagation tools
US5672867A (en) * 1992-09-01 1997-09-30 Halliburton Logging Services, Inc. Method for filtering gamma ray well logging tool response to enhance vertical detail while suppressing statistical noise
US5698982A (en) * 1996-03-18 1997-12-16 Computalog Research, Inc. Method and system for skin effect correction in a multiple transmit frequency induction logging system
US6891376B2 (en) * 2003-07-01 2005-05-10 Kjt Enterprises, Inc. Method for attenuating conductive sonde mandrel effects in an electromagnetic induction well logging apparatus
JP5557646B2 (ja) * 2010-08-09 2014-07-23 電源開発株式会社 地層パラメーターの推定方法
EP2699947A2 (en) 2011-01-28 2014-02-26 Services Pétroliers Schlumberger Method for estimating a logging tool response in a layered formation
WO2013122590A1 (en) * 2012-02-16 2013-08-22 Halliburton Energy Services, Inc. Apparatus and methods of skin effect correction
US11150373B2 (en) * 2018-04-27 2021-10-19 Schlumberger Technology Corporation Determining dielectric constant and resistivity with induction measurement
CN112433256A (zh) * 2019-08-24 2021-03-02 天津大学青岛海洋技术研究院 一种瞬变电磁测井数据的频率域处理方法
CN114487595B (zh) * 2021-12-29 2025-08-26 中国船舶重工集团公司第七一五研究所 单频脉冲信号检测方法

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL294973A (enExample) * 1946-06-11
US2582314A (en) * 1949-06-15 1952-01-15 Schlumberger Well Surv Corp Electromagnetic well logging system
US2790138A (en) * 1955-08-09 1957-04-23 Schlumberger Well Surv Corp Induction well logging
US3067383A (en) * 1959-04-16 1962-12-04 Schlumberger Well Surv Corp Induction well logging
NL250643A (enExample) * 1959-04-17
US3056917A (en) * 1959-11-30 1962-10-02 Schlumberger Well Surv Corp Methods and apparatus for investigating earth formations
US3147429A (en) * 1960-02-08 1964-09-01 Schlumberger Well Surv Corp Induction method and apparatus for investigating earth formation utilizing two quadrature phase components of a detected signal
US3226633A (en) * 1960-06-08 1965-12-28 Schlumberger Well Surv Corp Induction logging apparatus including non-linear means for translating a detected signal
US3179879A (en) * 1960-05-16 1965-04-20 Schlumberger Well Surv Corp Well logging apparatus with means for modifying one signal component by a second signal component when a predetermined condition occurs
US3750009A (en) * 1968-10-07 1973-07-31 Schlumberger Technology Corp Apparatus for processing well logging signals including control means for controlling the signal resolution and the speed of response of the signal indicating means
US4314339A (en) * 1971-09-07 1982-02-02 Schlumberger Limited Method of generating subsurface characteristics models

Also Published As

Publication number Publication date
JPS58198784A (ja) 1983-11-18
PH20127A (en) 1986-10-02
US4467425A (en) 1984-08-21
JPH0374350B2 (enExample) 1991-11-26

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Legal Events

Date Code Title Description
MKEX Expiry