CA2844869C - Outil d'enlevement d'element en caoutchouc - Google Patents

Outil d'enlevement d'element en caoutchouc Download PDF

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Publication number
CA2844869C
CA2844869C CA2844869A CA2844869A CA2844869C CA 2844869 C CA2844869 C CA 2844869C CA 2844869 A CA2844869 A CA 2844869A CA 2844869 A CA2844869 A CA 2844869A CA 2844869 C CA2844869 C CA 2844869C
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CA
Canada
Prior art keywords
ring
rubber element
tool
upper pulling
jaws
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.)
Active
Application number
CA2844869A
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English (en)
Other versions
CA2844869A1 (fr
Inventor
Barry Marshall
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.)
Katch Kan Ltd
Original Assignee
JTB TOOLS & OILFIELD SERVICES 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 JTB TOOLS & OILFIELD SERVICES LLC filed Critical JTB TOOLS & OILFIELD SERVICES LLC
Priority to CA2844869A priority Critical patent/CA2844869C/fr
Publication of CA2844869A1 publication Critical patent/CA2844869A1/fr
Application granted granted Critical
Publication of CA2844869C publication Critical patent/CA2844869C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • 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
    • E21B33/02—Surface sealing or packing
    • E21B33/08—Wipers; Oil savers
    • E21B33/085—Rotatable packing means, e.g. rotating blow-out preventers

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (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)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)

Abstract

Il est décrit un outil denlèvement dun élément en caoutchouc dun dispositif de commande rotatif à partir dune tige de forage, loutil ayant une bague de traction supérieure dune circonférence suffisante pour traverser autour dun élément en caoutchouc, la bague ayant une position ouverte et fermée, loutil comportant en outre une bague stabilisatrice inférieure dune circonférence suffisante pour traverser autour dune souche de tige de forage, la bague ayant une position ouverte et fermée, et loutil ayant en outre une pluralité de chaînes interrompant la bague stabilisatrice inférieure située verticalement au-dessous de la bague de traction supérieure, ainsi quun raccordement de levage.
CA2844869A 2014-03-05 2014-03-05 Outil d'enlevement d'element en caoutchouc Active CA2844869C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2844869A CA2844869C (fr) 2014-03-05 2014-03-05 Outil d'enlevement d'element en caoutchouc

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2844869A CA2844869C (fr) 2014-03-05 2014-03-05 Outil d'enlevement d'element en caoutchouc

Publications (2)

Publication Number Publication Date
CA2844869A1 CA2844869A1 (fr) 2015-09-05
CA2844869C true CA2844869C (fr) 2020-12-22

Family

ID=54065526

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2844869A Active CA2844869C (fr) 2014-03-05 2014-03-05 Outil d'enlevement d'element en caoutchouc

Country Status (1)

Country Link
CA (1) CA2844869C (fr)

Also Published As

Publication number Publication date
CA2844869A1 (fr) 2015-09-05

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Legal Events

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EEER Examination request

Effective date: 20190301