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CA936801A - Slip and drag block assembly - Google Patents

Slip and drag block assembly

Info

Publication number
CA936801A
CA936801A CA142793A CA142793A CA936801A CA 936801 A CA936801 A CA 936801A CA 142793 A CA142793 A CA 142793A CA 142793 A CA142793 A CA 142793A CA 936801 A CA936801 A CA 936801A
Authority
CA
Canada
Prior art keywords
slip
block assembly
drag block
drag
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.)
Expired
Application number
CA142793A
Other versions
CA142793S (en
Inventor
A. Pitts Charles
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.)
Dow Chemical Co
Original Assignee
Dow Chemical Co
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 Dow Chemical Co filed Critical Dow Chemical Co
Application granted granted Critical
Publication of CA936801A publication Critical patent/CA936801A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
    • E21B33/1291—Packers; Plugs with mechanical slips for hooking into the casing anchor set by wedge or cam in combination with frictional effect, using so-called drag-blocks

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)
CA142793A 1971-06-21 1972-05-23 Slip and drag block assembly Expired CA936801A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15495471A 1971-06-21 1971-06-21

Publications (1)

Publication Number Publication Date
CA936801A true CA936801A (en) 1973-11-13

Family

ID=22553524

Family Applications (1)

Application Number Title Priority Date Filing Date
CA142793A Expired CA936801A (en) 1971-06-21 1972-05-23 Slip and drag block assembly

Country Status (2)

Country Link
US (1) US3705624A (en)
CA (1) CA936801A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4572290A (en) * 1984-02-06 1986-02-25 Arrow Oil Tools Inc. Mechanical setting tool
US4979561A (en) * 1989-11-08 1990-12-25 Halliburton Company Positioning tool
EP0539040A3 (en) * 1991-10-21 1993-07-21 Halliburton Company Downhole casing valve
US5275239A (en) * 1992-02-04 1994-01-04 Valmar Consulting Ltd. Anchoring device for tubing string
US5311939A (en) * 1992-07-16 1994-05-17 Camco International Inc. Multiple use well packer
US5381862A (en) * 1993-08-27 1995-01-17 Halliburton Company Coiled tubing operated full opening completion tool system
CA2177762A1 (en) * 1996-05-30 1997-12-01 Colin A. Aldridge Downhole anchor
CA2265223C (en) 1999-03-11 2004-05-18 Linden H. Bland Wellbore annulus packer apparatus and method
US6880642B1 (en) * 2002-11-21 2005-04-19 Jonathan Garrett Well abandonment plug
US20090321067A1 (en) * 2008-06-27 2009-12-31 Kline Albert E Releasing slips for oil well tool
US8408290B2 (en) * 2009-10-05 2013-04-02 Halliburton Energy Services, Inc. Interchangeable drillable tool
CA2748609C (en) * 2011-08-08 2019-03-12 Trican Well Service Ltd. Fracturing tool anchor
WO2016018427A1 (en) 2014-08-01 2016-02-04 Halliburton Energy Services, Inc. Downhole tool with multi-stage anchoring

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3045758A (en) * 1958-07-11 1962-07-24 Baker Oil Tools Inc Compensating tubing anchor
US3043372A (en) * 1959-03-02 1962-07-10 Guiberson Corp Anchoring device
US3074484A (en) * 1960-05-23 1963-01-22 Martin B Conrad Drag block and slip assembly for well packer or the like
US3282343A (en) * 1964-06-01 1966-11-01 Camco Inc Well packer
US3352362A (en) * 1964-12-21 1967-11-14 Schlumberger Technology Corp Well packer apparatus
US3374841A (en) * 1965-10-22 1968-03-26 Schlumberger Well Surv Corp Packer with shear member
US3520361A (en) * 1969-01-22 1970-07-14 Kiva Corp Well packer with slip and drag block assembly

Also Published As

Publication number Publication date
US3705624A (en) 1972-12-12

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