CA2084501A1 - Video Logging System Having Remote Power Source - Google Patents

Video Logging System Having Remote Power Source

Info

Publication number
CA2084501A1
CA2084501A1 CA2084501A CA2084501A CA2084501A1 CA 2084501 A1 CA2084501 A1 CA 2084501A1 CA 2084501 A CA2084501 A CA 2084501A CA 2084501 A CA2084501 A CA 2084501A CA 2084501 A1 CA2084501 A1 CA 2084501A1
Authority
CA
Canada
Prior art keywords
seals
probe
power source
cable
camera
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
CA2084501A
Other languages
French (fr)
Other versions
CA2084501C (en
Inventor
Mathew B. Riordan
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.)
Westech Geophysical Inc
Original Assignee
Mathew B. Riordan
Westech Geophysical, 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 Mathew B. Riordan, Westech Geophysical, Inc. filed Critical Mathew B. Riordan
Publication of CA2084501A1 publication Critical patent/CA2084501A1/en
Application granted granted Critical
Publication of CA2084501C publication Critical patent/CA2084501C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4415—Cables for special applications
    • G02B6/4427—Pressure resistant cables, e.g. undersea cables
    • 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
    • E21B47/002—Survey of boreholes or wells by visual inspection
    • E21B47/0025—Survey of boreholes or wells by visual inspection generating an image of the borehole wall using down-hole measurements, e.g. acoustic or electric
    • 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
    • E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
    • E21B47/13—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency
    • E21B47/135—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling by electromagnetic energy, e.g. radio frequency using light waves, e.g. infrared or ultraviolet waves
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
    • G02B6/4401—Optical cables
    • G02B6/4415—Cables for special applications
    • G02B6/4416—Heterogeneous cables
    • 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
    • E21B47/017—Protecting measuring instruments

Abstract

An instrument probe (12) contains a camera (38) and light source (28) which is positioned in front of the camera for illumi-nating the passage (14) being inspected, such as a bore or a casing.
The power source for the instrument probe is located at the sur-face. A support cable (16) contains an optical fiber (50) for con-ducting camera signals to the surface and electrical conductors (54, 60) for conducting power from the surface to the instrument probe.
Outer electrical conductors (60) in the cable are alternating with and in electrical contact with strength member strands (58). The cable is enclosed in a stainless steel outer sheath (62). The support cable is coupled to the instrument probe by three fluid seals (64, 73, 76). The first (64) seals the outer sheath in the probe. The sec-ond (73) seals at the breakaway connection and the third (76) seals at the probe bulkhead (74).
CA002084501A 1990-06-15 1991-05-17 Video logging system having remote power source Expired - Lifetime CA2084501C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US540,573 1983-10-07
US07/540,573 US5140319A (en) 1990-06-15 1990-06-15 Video logging system having remote power source

Publications (2)

Publication Number Publication Date
CA2084501A1 true CA2084501A1 (en) 1991-12-16
CA2084501C CA2084501C (en) 1995-06-27

Family

ID=24156025

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002084501A Expired - Lifetime CA2084501C (en) 1990-06-15 1991-05-17 Video logging system having remote power source

Country Status (8)

Country Link
US (2) US5140319A (en)
EP (2) EP0533771B1 (en)
JP (1) JPH05507975A (en)
BR (1) BR9106562A (en)
CA (1) CA2084501C (en)
DE (2) DE69132463T2 (en)
NO (1) NO306178B1 (en)
WO (1) WO1991019884A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115614023A (en) * 2022-12-16 2023-01-17 中国石油集团川庆钻探工程有限公司 Underground visualization system for coiled tubing

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US8625434B2 (en) * 2006-12-29 2014-01-07 Ge Inspection Technologies Lp IP based voice communication enabled inspection system
US9818508B2 (en) * 2007-11-13 2017-11-14 Southwire Company, Llc Traceable and theft deterrent reclaimable product
US9053841B2 (en) 2007-11-13 2015-06-09 Southwire Company, Llc Traceable and theft deterrent reclaimable product
US10102461B2 (en) 2007-11-13 2018-10-16 Southwire Company, Llc Traceable and theft deterrent reclaimable product
US9040825B2 (en) * 2007-11-13 2015-05-26 Southwire Company, Llc Conductors and metal-covered cable with coded information and method of applying coded information
US20100198876A1 (en) 2009-02-02 2010-08-05 Honeywell International, Inc. Apparatus and method of embedding meta-data in a captured image
US9519814B2 (en) 2009-06-12 2016-12-13 Hand Held Products, Inc. Portable data terminal
US20110079401A1 (en) * 2009-10-02 2011-04-07 Philippe Gambier Equipment and Methods for Deploying Line in a Wellbore
US8760186B2 (en) * 2010-02-19 2014-06-24 International Business Machines Corporation Probe apparatus assembly and method
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US9915798B2 (en) * 2015-12-28 2018-03-13 Prysmian S.P.A. Downhole cable with reduced diameter
CA3025852A1 (en) * 2016-06-03 2017-12-07 Afl Telecommunications Llc Downhole logging cables with core conductor and optical units
US10746930B2 (en) * 2017-05-11 2020-08-18 Micato Inc. Multiple optical fiber tap device and methods of use thereof
US10557340B2 (en) * 2017-10-23 2020-02-11 Aver Technologies, Inc. Ultrasonic borescope for drilled shaft inspection
CN110761728B (en) * 2018-07-26 2021-09-28 中国石油天然气股份有限公司 Anti-moving structure and logging instrument with same
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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN115614023A (en) * 2022-12-16 2023-01-17 中国石油集团川庆钻探工程有限公司 Underground visualization system for coiled tubing

Also Published As

Publication number Publication date
DE69117952D1 (en) 1996-04-18
BR9106562A (en) 1993-04-20
DE69117952T2 (en) 1996-11-21
JPH05507975A (en) 1993-11-11
EP0643198B1 (en) 2000-11-02
CA2084501C (en) 1995-06-27
DE69132463T2 (en) 2001-06-07
US5355128A (en) 1994-10-11
DE69132463D1 (en) 2000-12-07
EP0533771A1 (en) 1993-03-31
WO1991019884A1 (en) 1991-12-26
EP0643198A3 (en) 1995-05-31
EP0533771B1 (en) 1996-03-13
US5140319A (en) 1992-08-18
NO306178B1 (en) 1999-09-27
NO924831L (en) 1993-02-12
EP0643198A2 (en) 1995-03-15
NO924831D0 (en) 1992-12-14

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed
MKEC Expiry (correction)

Effective date: 20121202