AU634093B2 - Wellhead repair unit - Google Patents

Wellhead repair unit

Info

Publication number
AU634093B2
AU634093B2 AU83893/91A AU8389391A AU634093B2 AU 634093 B2 AU634093 B2 AU 634093B2 AU 83893/91 A AU83893/91 A AU 83893/91A AU 8389391 A AU8389391 A AU 8389391A AU 634093 B2 AU634093 B2 AU 634093B2
Authority
AU
Australia
Prior art keywords
repair unit
wellhead
wellhead repair
unit
repair
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.)
Ceased
Application number
AU83893/91A
Other versions
AU8389391A (en
Inventor
Thomas F. Bailey
Charles E. Lancaster
Richard Lee Palmer
James N. Strickland
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.)
Drilex Systems Inc
Original Assignee
Drilex Systems 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
Priority claimed from US07/313,688 external-priority patent/US4984636A/en
Priority claimed from US07/404,159 external-priority patent/US5009265A/en
Application filed by Drilex Systems Inc filed Critical Drilex Systems Inc
Publication of AU8389391A publication Critical patent/AU8389391A/en
Application granted granted Critical
Publication of AU634093B2 publication Critical patent/AU634093B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

AU83893/91A 1989-02-21 1991-09-13 Wellhead repair unit Ceased AU634093B2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US404159 1982-08-02
US07/313,688 US4984636A (en) 1989-02-21 1989-02-21 Geothermal wellhead repair unit
US07/404,159 US5009265A (en) 1989-09-07 1989-09-07 Packer for wellhead repair unit
US313688 1994-09-27

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
AU49280/90A Division AU617586B2 (en) 1989-02-21 1990-02-08 Wellhead repair unit

Publications (2)

Publication Number Publication Date
AU8389391A AU8389391A (en) 1991-11-14
AU634093B2 true AU634093B2 (en) 1993-02-11

Family

ID=26979000

Family Applications (2)

Application Number Title Priority Date Filing Date
AU49280/90A Ceased AU617586B2 (en) 1989-02-21 1990-02-08 Wellhead repair unit
AU83893/91A Ceased AU634093B2 (en) 1989-02-21 1991-09-13 Wellhead repair unit

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AU49280/90A Ceased AU617586B2 (en) 1989-02-21 1990-02-08 Wellhead repair unit

Country Status (5)

Country Link
JP (1) JPH02292492A (en)
AU (2) AU617586B2 (en)
CA (1) CA2010326C (en)
IT (1) IT1240767B (en)
NZ (1) NZ232571A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6282201B2 (en) * 2013-10-23 2018-02-21 株式会社クレハ Well drilling plug with ring-shaped ratchet mechanism
CN112049601B (en) * 2020-09-30 2023-11-17 中国石油天然气集团有限公司 Wellbore packer device at near wellhead of oil and gas well and application method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452304A (en) * 1981-06-24 1984-06-05 Tri-State Oil Tool Industries Remotely operated packer and anchor apparatus for changing a geothermal wellhead valve

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4751965A (en) * 1987-04-30 1988-06-21 Cameron Iron Works Usa, Inc. Wellhead seal assembly

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4452304A (en) * 1981-06-24 1984-06-05 Tri-State Oil Tool Industries Remotely operated packer and anchor apparatus for changing a geothermal wellhead valve

Also Published As

Publication number Publication date
AU4928090A (en) 1990-09-13
IT9047656A0 (en) 1990-02-21
AU617586B2 (en) 1991-11-28
JPH02292492A (en) 1990-12-03
IT1240767B (en) 1993-12-17
IT9047656A1 (en) 1990-08-22
CA2010326A1 (en) 1990-08-21
NZ232571A (en) 1993-02-25
AU8389391A (en) 1991-11-14
CA2010326C (en) 1994-10-25

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