CA2197584A1 - Wellhead Assembly - Google Patents

Wellhead Assembly

Info

Publication number
CA2197584A1
CA2197584A1 CA002197584A CA2197584A CA2197584A1 CA 2197584 A1 CA2197584 A1 CA 2197584A1 CA 002197584 A CA002197584 A CA 002197584A CA 2197584 A CA2197584 A CA 2197584A CA 2197584 A1 CA2197584 A1 CA 2197584A1
Authority
CA
Canada
Prior art keywords
wellhead assembly
wellhead
assembly
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
CA002197584A
Other languages
French (fr)
Other versions
CA2197584C (en
CA2197584E (en
Inventor
Tony M Lam
Keith D Farquhardson
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to CA002197584A priority Critical patent/CA2197584E/en
Publication of CA2197584A1 publication Critical patent/CA2197584A1/en
Publication of CA2197584C publication Critical patent/CA2197584C/en
Application granted granted Critical
Publication of CA2197584E publication Critical patent/CA2197584E/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • E21B33/04—Casing heads; Suspending casings or tubings in well heads
    • E21B33/047—Casing heads; Suspending casings or tubings in well heads for plural tubing strings
    • 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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/02—Surface sealing or packing
    • E21B33/03—Well heads; Setting-up thereof
    • E21B33/068—Well heads; Setting-up thereof having provision for introducing objects or fluids into, or removing objects from, wells

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)
CA002197584A 1996-02-14 1997-02-14 Wellhead assembly Expired - Lifetime CA2197584E (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA002197584A CA2197584E (en) 1996-02-14 1997-02-14 Wellhead assembly

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CA002169503A CA2169503A1 (en) 1996-02-14 1996-02-14 Wellhead assembly
CA2,169,503 1996-02-14
CA002197584A CA2197584E (en) 1996-02-14 1997-02-14 Wellhead assembly

Publications (3)

Publication Number Publication Date
CA2197584A1 true CA2197584A1 (en) 1997-04-25
CA2197584C CA2197584C (en) 1998-07-07
CA2197584E CA2197584E (en) 2000-05-16

Family

ID=4157573

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002169503A Abandoned CA2169503A1 (en) 1996-02-14 1996-02-14 Wellhead assembly
CA002197584A Expired - Lifetime CA2197584E (en) 1996-02-14 1997-02-14 Wellhead assembly

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002169503A Abandoned CA2169503A1 (en) 1996-02-14 1996-02-14 Wellhead assembly

Country Status (1)

Country Link
CA (2) CA2169503A1 (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6260817B1 (en) 1999-10-29 2001-07-17 Stream-Flo Industries, Ltd. Hydraulic blowout preventer assembly for production wellhead
US6457530B1 (en) 2001-03-23 2002-10-01 Stream-Flo Industries, Ltd. Wellhead production pumping tree
US6736208B2 (en) * 2002-04-22 2004-05-18 Stream-Flo Industries Ltd Wellhead production pumping tree with access port
US7552765B2 (en) 2006-01-27 2009-06-30 Stream-Flo Industries Ltd. Wellhead blowout preventer with extended ram for sealing central bore
US7673674B2 (en) 2006-01-31 2010-03-09 Stream-Flo Industries Ltd. Polish rod clamping device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6260817B1 (en) 1999-10-29 2001-07-17 Stream-Flo Industries, Ltd. Hydraulic blowout preventer assembly for production wellhead
US6457530B1 (en) 2001-03-23 2002-10-01 Stream-Flo Industries, Ltd. Wellhead production pumping tree
US6736208B2 (en) * 2002-04-22 2004-05-18 Stream-Flo Industries Ltd Wellhead production pumping tree with access port
US7552765B2 (en) 2006-01-27 2009-06-30 Stream-Flo Industries Ltd. Wellhead blowout preventer with extended ram for sealing central bore
US7673674B2 (en) 2006-01-31 2010-03-09 Stream-Flo Industries Ltd. Polish rod clamping device

Also Published As

Publication number Publication date
CA2197584C (en) 1998-07-07
CA2197584E (en) 2000-05-16
CA2169503A1 (en) 1997-08-15

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Legal Events

Date Code Title Description
EEER Examination request
NARE Reissued
MKEX Expiry

Effective date: 20170214