CA2451358A1 - Electrical conducting system - Google Patents

Electrical conducting system Download PDF

Info

Publication number
CA2451358A1
CA2451358A1 CA002451358A CA2451358A CA2451358A1 CA 2451358 A1 CA2451358 A1 CA 2451358A1 CA 002451358 A CA002451358 A CA 002451358A CA 2451358 A CA2451358 A CA 2451358A CA 2451358 A1 CA2451358 A1 CA 2451358A1
Authority
CA
Canada
Prior art keywords
drill pipe
pipe section
contact means
conductor
ingress
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
CA002451358A
Other languages
French (fr)
Other versions
CA2451358C (en
Inventor
Philip Head
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.)
Weatherford Technology Holdings LLC
Original Assignee
Weatherford/Lamb, Inc.
Philip Head
Weatherford Technology Holdings, Llc
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 Weatherford/Lamb, Inc., Philip Head, Weatherford Technology Holdings, Llc filed Critical Weatherford/Lamb, Inc.
Publication of CA2451358A1 publication Critical patent/CA2451358A1/en
Application granted granted Critical
Publication of CA2451358C publication Critical patent/CA2451358C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/02—Couplings; joints
    • E21B17/028—Electrical or electro-magnetic connections
    • E21B17/0285—Electrical or electro-magnetic connections characterised by electrically insulating elements

Abstract

A generally tubular drill string has a conductive path over a plurality of drill pipe section (10). Each drill pipe section has a first end and a second end, and a wall, and the first end has a first radial sealing surfaces (11) and the second end has a corresponding second radial surfaces (59), such that when the first or second end of one drill pipe section is engaged with the second or first end respectively of another drill pipe section, at least one seal is formed. The drill pipe includes at least one conductor (21) disposed inside it, this conductor being connected to a first contact means at the first end and a corresponding contact means at the second end of each drill pipe section. Ingress protection means (240) are provided to protect the contact means from ingress from inside or outside of the drill pipe section.
The ingress protection means comprises a sealed volume surrounding the contact means.
CA002451358A 2001-06-26 2002-06-26 Electrical conducting system Expired - Fee Related CA2451358C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0115524.1 2001-06-26
GBGB0115524.1A GB0115524D0 (en) 2001-06-26 2001-06-26 Conducting system
PCT/GB2002/002933 WO2003001023A1 (en) 2001-06-26 2002-06-26 Electrical conducting system

Publications (2)

Publication Number Publication Date
CA2451358A1 true CA2451358A1 (en) 2003-01-03
CA2451358C CA2451358C (en) 2008-04-29

Family

ID=9917324

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002451358A Expired - Fee Related CA2451358C (en) 2001-06-26 2002-06-26 Electrical conducting system

Country Status (9)

Country Link
US (1) US7114970B2 (en)
EP (1) EP1407111B1 (en)
AT (1) ATE357578T1 (en)
AU (1) AU2002349873B2 (en)
CA (1) CA2451358C (en)
DE (1) DE60219017D1 (en)
GB (1) GB0115524D0 (en)
NO (1) NO329260B1 (en)
WO (1) WO2003001023A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7900708B2 (en) 2008-10-24 2011-03-08 Marcel Obrejanu Multiple-block downhole anchors and anchor assemblies

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7900708B2 (en) 2008-10-24 2011-03-08 Marcel Obrejanu Multiple-block downhole anchors and anchor assemblies

Also Published As

Publication number Publication date
US7114970B2 (en) 2006-10-03
GB0115524D0 (en) 2001-08-15
AU2002349873B2 (en) 2008-02-07
ATE357578T1 (en) 2007-04-15
NO20030883L (en) 2003-04-28
EP1407111A1 (en) 2004-04-14
NO329260B1 (en) 2010-09-20
US20040242044A1 (en) 2004-12-02
NO20030883D0 (en) 2003-02-25
EP1407111B1 (en) 2007-03-21
WO2003001023A1 (en) 2003-01-03
CA2451358C (en) 2008-04-29
DE60219017D1 (en) 2007-05-03

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20200831