CA2227057A1 - Downhole anchor - Google Patents

Downhole anchor

Info

Publication number
CA2227057A1
CA2227057A1 CA002227057A CA2227057A CA2227057A1 CA 2227057 A1 CA2227057 A1 CA 2227057A1 CA 002227057 A CA002227057 A CA 002227057A CA 2227057 A CA2227057 A CA 2227057A CA 2227057 A1 CA2227057 A1 CA 2227057A1
Authority
CA
Canada
Prior art keywords
drag
slip
tubular member
housing
rotatable
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
CA002227057A
Other languages
French (fr)
Other versions
CA2227057C (en
Inventor
Colin A. Aldridge
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 Lift Solutions Canada Ltd
Original Assignee
Chriscor Production Enhancement Technologies Inc.
Chriscor Industries (1994) Inc.
Locksley Capital Partners Inc.
Ipec Ltd.
Kudu Industries Inc.
Colin A. Aldridge
Schlumberger Lift Solutions Canada Limited
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
Priority claimed from CA002177762A external-priority patent/CA2177762A1/en
Application filed by Chriscor Production Enhancement Technologies Inc., Chriscor Industries (1994) Inc., Locksley Capital Partners Inc., Ipec Ltd., Kudu Industries Inc., Colin A. Aldridge, Schlumberger Lift Solutions Canada Limited filed Critical Chriscor Production Enhancement Technologies Inc.
Priority to CA002227057A priority Critical patent/CA2227057C/en
Priority claimed from PCT/CA1997/000370 external-priority patent/WO1997046788A1/en
Publication of CA2227057A1 publication Critical patent/CA2227057A1/en
Application granted granted Critical
Publication of CA2227057C publication Critical patent/CA2227057C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

A downhole anchor for preventing rotational movement of a member within a well has a central tubular member (10), a slip housing (20) and a drag assembly (13) disposed about the tubular member. The slip housing carries at least two slip members (26, 27, 28), each slip member being rotatable about an axis substantially parallel to the central axis of the tubular member between a retracted position against the housing, and an extended position. The drag assembly is mounted on and rotatable about the tubular member and carries drag means (14). An actuator drives the rotation of the slip member in response to the rotation of the drag assembly about the tubular member. Drag means comprise a spring loaded drag block to frictionally engage a well casing, or, alternatively, unique vane members for reacting with a viscous fluid trapped between the vane members and well casing to cause drag.
CA002227057A 1996-05-30 1997-05-30 Downhole anchor Expired - Fee Related CA2227057C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002227057A CA2227057C (en) 1996-05-30 1997-05-30 Downhole anchor

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
CA2,177,762 1996-05-30
CA002177762A CA2177762A1 (en) 1996-05-30 1996-05-30 Downhole anchor
US08/826,969 US6073693A (en) 1996-05-30 1997-04-09 Downhole anchor
US08/826,969 1997-04-09
PCT/CA1997/000370 WO1997046788A1 (en) 1996-05-30 1997-05-30 Downhole anchor
CA002227057A CA2227057C (en) 1996-05-30 1997-05-30 Downhole anchor

Publications (2)

Publication Number Publication Date
CA2227057A1 true CA2227057A1 (en) 1997-12-11
CA2227057C CA2227057C (en) 2004-10-19

Family

ID=27170154

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002227057A Expired - Fee Related CA2227057C (en) 1996-05-30 1997-05-30 Downhole anchor

Country Status (1)

Country Link
CA (1) CA2227057C (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7121350B2 (en) 2003-12-24 2006-10-17 Sampwell Testing Services LTD C/O/B/A Progressive Technology Torque anchor
US7900708B2 (en) 2008-10-24 2011-03-08 Marcel Obrejanu Multiple-block downhole anchors and anchor assemblies

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7121350B2 (en) 2003-12-24 2006-10-17 Sampwell Testing Services LTD C/O/B/A Progressive Technology Torque anchor
US7900708B2 (en) 2008-10-24 2011-03-08 Marcel Obrejanu Multiple-block downhole anchors and anchor assemblies

Also Published As

Publication number Publication date
CA2227057C (en) 2004-10-19

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20170530