CA2698572A1 - Appareil de fond de trou - Google Patents

Appareil de fond de trou Download PDF

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Publication number
CA2698572A1
CA2698572A1 CA2698572A CA2698572A CA2698572A1 CA 2698572 A1 CA2698572 A1 CA 2698572A1 CA 2698572 A CA2698572 A CA 2698572A CA 2698572 A CA2698572 A CA 2698572A CA 2698572 A1 CA2698572 A1 CA 2698572A1
Authority
CA
Canada
Prior art keywords
outer housing
fluid chamber
fluid
inner mandrel
seal 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
CA2698572A
Other languages
English (en)
Other versions
CA2698572C (fr
Inventor
Michael Shoyhetman
David Budney
Craig Budney
Glenn Budney
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.)
Lee Oilfield Service Ltd
Original Assignee
Lee Oilfield Service Ltd
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 Lee Oilfield Service Ltd filed Critical Lee Oilfield Service Ltd
Priority to CA2698572A priority Critical patent/CA2698572C/fr
Publication of CA2698572A1 publication Critical patent/CA2698572A1/fr
Application granted granted Critical
Publication of CA2698572C publication Critical patent/CA2698572C/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E21EARTH OR ROCK DRILLING; MINING
    • E21BEARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B31/00Fishing for or freeing objects in boreholes or wells
    • E21B31/107Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars
    • E21B31/113Fishing for or freeing objects in boreholes or wells using impact means for releasing stuck parts, e.g. jars hydraulically-operated

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Sealing Devices (AREA)
  • Earth Drilling (AREA)
CA2698572A 2010-03-31 2010-03-31 Appareil de fond de trou Active CA2698572C (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2698572A CA2698572C (fr) 2010-03-31 2010-03-31 Appareil de fond de trou

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA2698572A CA2698572C (fr) 2010-03-31 2010-03-31 Appareil de fond de trou

Publications (2)

Publication Number Publication Date
CA2698572A1 true CA2698572A1 (fr) 2011-09-30
CA2698572C CA2698572C (fr) 2018-01-23

Family

ID=44681781

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2698572A Active CA2698572C (fr) 2010-03-31 2010-03-31 Appareil de fond de trou

Country Status (1)

Country Link
CA (1) CA2698572C (fr)

Also Published As

Publication number Publication date
CA2698572C (fr) 2018-01-23

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Legal Events

Date Code Title Description
EEER Examination request

Effective date: 20150311