CA2521459A1 - Apparatus and methods for reducing stand-off effects of a downhole tool - Google Patents

Apparatus and methods for reducing stand-off effects of a downhole tool Download PDF

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Publication number
CA2521459A1
CA2521459A1 CA002521459A CA2521459A CA2521459A1 CA 2521459 A1 CA2521459 A1 CA 2521459A1 CA 002521459 A CA002521459 A CA 002521459A CA 2521459 A CA2521459 A CA 2521459A CA 2521459 A1 CA2521459 A1 CA 2521459A1
Authority
CA
Canada
Prior art keywords
downhole tool
effects
methods
borehole
receiver
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.)
Granted
Application number
CA002521459A
Other languages
French (fr)
Other versions
CA2521459C (en
Inventor
Brian Clark
Jan W. Smits
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
Publication of CA2521459A1 publication Critical patent/CA2521459A1/en
Application granted granted Critical
Publication of CA2521459C publication Critical patent/CA2521459C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B47/00—Survey of boreholes or wells
    • E21B47/01—Devices for supporting measuring instruments on drill bits, pipes, rods or wirelines; Protecting measuring instruments in boreholes against heat, shock, pressure or the like
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B49/00—Testing the nature of borehole walls; Formation testing; Methods or apparatus for obtaining samples of soil or well fluids, specially adapted to earth drilling or wells
    • 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
    • G01V3/30—Electric or magnetic prospecting or detecting; Measuring magnetic field characteristics of the earth, e.g. declination, deviation specially adapted for well-logging operating with electromagnetic waves

Abstract

A method for reducing stand-off effects of a downhole tool includes disposing the downhole tool in a borehole, wherein the downhole tool comprises at least one moveable section disposed between an energy source and a receiver on the downhole tool; and activating the at least one moveable section to reduce a thickness of at least one selected from a mud layer and a mudcake between the downhole tool and a wall of the borehole. A downhole tool includes an energy source and a receiver disposed on the downhole tool; at least one moveable section disposed between the energy source and the receiver; and an activation mechanism for reducing a thickness of at least one selected from a mud layer and a mudcake between the downhole tool and a wall of a borehole.
CA002521459A 2004-09-28 2005-09-27 Apparatus and methods for reducing stand-off effects of a downhole tool Expired - Fee Related CA2521459C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/711,598 2004-09-28
US10/711,598 US7284605B2 (en) 2004-09-28 2004-09-28 Apparatus and methods for reducing stand-off effects of a downhole tool

Publications (2)

Publication Number Publication Date
CA2521459A1 true CA2521459A1 (en) 2006-03-28
CA2521459C CA2521459C (en) 2008-07-22

Family

ID=35248789

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002521459A Expired - Fee Related CA2521459C (en) 2004-09-28 2005-09-27 Apparatus and methods for reducing stand-off effects of a downhole tool

Country Status (7)

Country Link
US (1) US7284605B2 (en)
CA (1) CA2521459C (en)
DE (1) DE102005045980A1 (en)
FR (1) FR2875840B1 (en)
GB (1) GB2418440B (en)
MX (1) MXPA05010327A (en)
NO (1) NO20054261L (en)

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US8446150B2 (en) * 2008-06-06 2013-05-21 Halliburton Energy Services, Inc. Apparatus and method for logging in boreholes with a non-circular section
US8225868B2 (en) * 2008-12-11 2012-07-24 Schlumberger Technology Corporation Apparatus and method for mounting acoustic sensors closer to a borehole wall
US7897914B2 (en) 2008-12-19 2011-03-01 Schlumberger Technology Corporation Downhole nuclear tool
US20100200237A1 (en) * 2009-02-12 2010-08-12 Colgate Sam O Methods for controlling temperatures in the environments of gas and oil wells
US20100236784A1 (en) * 2009-03-20 2010-09-23 Horton Robert L Miscible stimulation and flooding of petroliferous formations utilizing viscosified oil-based fluids
US20100252259A1 (en) * 2009-04-01 2010-10-07 Horton Robert L Oil-based hydraulic fracturing fluids and breakers and methods of preparation and use
US20100263867A1 (en) * 2009-04-21 2010-10-21 Horton Amy C Utilizing electromagnetic radiation to activate filtercake breakers downhole
FR2948145B1 (en) * 2009-07-20 2011-08-26 Vam Drilling France DRILLING ROD AND CORRESPONDING DRILL ROD TRAIN
US8319498B2 (en) * 2009-10-19 2012-11-27 Schlumberger Technology Corporation Microresistivity imaging at multiple depths of investigation
US8129994B2 (en) * 2009-10-19 2012-03-06 Smith International Inc Microresistivity imaging in conductive and nonconductive drilling fluid
US8305083B2 (en) * 2009-12-30 2012-11-06 Smith International, Inc. Calibration method for a microresistivity logging tool
US8581594B2 (en) * 2009-12-30 2013-11-12 Schlumberger Technology Corporation Microresistivity anisotropy logging tool employing a monopole current injection electrode
US8508231B2 (en) * 2009-12-30 2013-08-13 Schlumberger Technology Corporation Logging tool employing a monopole current injection electrode for microresistivity imaging
US20110187374A1 (en) * 2010-02-03 2011-08-04 Smith International, Inc. Microresistivity Imaging with Differentially Raised Electrodes
US9243488B2 (en) * 2011-10-26 2016-01-26 Precision Energy Services, Inc. Sensor mounting assembly for drill collar stabilizer
EP2831374A1 (en) * 2012-03-29 2015-02-04 Halliburton Energy Services, Inc. Method and apparatus for formation testing and sampling when performing subterranean operations
US9753177B2 (en) 2013-11-12 2017-09-05 Baker Hughes Incorporated Standoff specific corrections for density logging
CA2946147C (en) * 2014-05-01 2020-02-11 Scientific Drilling International, Inc. Plug for downhole logging tool
US10253620B1 (en) 2014-09-23 2019-04-09 Kelly K. Rose System for kick detection during a drilling operation
CA2971105A1 (en) * 2015-01-23 2016-07-28 Halliburton Energy Services, Inc. Downhole electrode apparatus, systems, and methods
US10725196B2 (en) 2015-04-29 2020-07-28 Halliburton Energy Services, Inc. Bi-mode high frequency dielectric tool
US10317565B2 (en) 2016-03-10 2019-06-11 Halliburton Energy Services, Inc. Induction logging borehole correction for water-based mud
GB201608765D0 (en) * 2016-05-18 2016-06-29 Adrok Ltd Methods for determining material and/or subsurface temperatures
US10459110B2 (en) * 2016-07-08 2019-10-29 Baker Hughes, A Ge Company, Llc Flexible conductive shield for downhole electromagnetic noise suppression
US10895664B2 (en) 2018-01-25 2021-01-19 Cordax Evaluation Technologies Inc. Multi-material density well logging subassembly
US11530611B2 (en) * 2018-05-14 2022-12-20 Schlumberger Technology Corporation Method for performing Raman spectroscopy within a logging while drilling instrument
US11242747B2 (en) * 2020-03-20 2022-02-08 Saudi Arabian Oil Company Downhole probe tool

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Also Published As

Publication number Publication date
US20060065394A1 (en) 2006-03-30
GB2418440A (en) 2006-03-29
FR2875840B1 (en) 2015-06-26
DE102005045980A1 (en) 2006-04-13
GB0518788D0 (en) 2005-10-26
GB2418440B (en) 2007-05-02
NO20054261L (en) 2006-03-29
MXPA05010327A (en) 2006-03-30
NO20054261D0 (en) 2005-09-15
CA2521459C (en) 2008-07-22
US7284605B2 (en) 2007-10-23
FR2875840A1 (en) 2006-03-31

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Effective date: 20180927