GB2383063B - Hydraulic underreamer and sections for use therein - Google Patents

Hydraulic underreamer and sections for use therein

Info

Publication number
GB2383063B
GB2383063B GB0305812A GB0305812A GB2383063B GB 2383063 B GB2383063 B GB 2383063B GB 0305812 A GB0305812 A GB 0305812A GB 0305812 A GB0305812 A GB 0305812A GB 2383063 B GB2383063 B GB 2383063B
Authority
GB
United Kingdom
Prior art keywords
sections
hydraulic underreamer
underreamer
hydraulic
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 - Fee Related
Application number
GB0305812A
Other versions
GB2383063A (en
GB0305812D0 (en
Inventor
Michael L Fraim
Stephen D Mccoy
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.)
Phillips Petroleum Co
Original Assignee
Phillips Petroleum 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
Priority claimed from US09/385,614 external-priority patent/US6138777A/en
Application filed by Phillips Petroleum Co filed Critical Phillips Petroleum Co
Publication of GB0305812D0 publication Critical patent/GB0305812D0/en
Publication of GB2383063A publication Critical patent/GB2383063A/en
Application granted granted Critical
Publication of GB2383063B publication Critical patent/GB2383063B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/18—Drilling by liquid or gas jets, with or without entrained pellets
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1057—Centralising devices with rollers or with a relatively rotating sleeve
    • E21B17/1064—Pipes or rods with a relatively rotating sleeve
    • 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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/12—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor using drilling pipes with plural fluid passages, e.g. closed circulation systems
    • 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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring

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)
GB0305812A 1999-02-11 2000-02-02 Hydraulic underreamer and sections for use therein Expired - Fee Related GB2383063B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US11962499P 1999-02-11 1999-02-11
US09/385,614 US6138777A (en) 1999-02-11 1999-08-30 Hydraulic underreamer and sections for use therein
GB0121889A GB2365900B (en) 1999-02-11 2000-02-02 Hydraulic underreamer and sections for use therein

Publications (3)

Publication Number Publication Date
GB0305812D0 GB0305812D0 (en) 2003-04-16
GB2383063A GB2383063A (en) 2003-06-18
GB2383063B true GB2383063B (en) 2003-07-30

Family

ID=27256279

Family Applications (4)

Application Number Title Priority Date Filing Date
GB0305810A Expired - Fee Related GB2383359B (en) 1999-02-11 2000-02-02 Hydraulic underreamer and sections for use therein
GB0305812A Expired - Fee Related GB2383063B (en) 1999-02-11 2000-02-02 Hydraulic underreamer and sections for use therein
GB0305813A Expired - Fee Related GB2383360B (en) 1999-02-11 2000-02-02 Hydraulic underreamer and sections for use therein
GB0305816A Expired - Fee Related GB2383064B (en) 1999-02-11 2000-02-02 Hydraulic underreamer and sections for use therein

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0305810A Expired - Fee Related GB2383359B (en) 1999-02-11 2000-02-02 Hydraulic underreamer and sections for use therein

Family Applications After (2)

Application Number Title Priority Date Filing Date
GB0305813A Expired - Fee Related GB2383360B (en) 1999-02-11 2000-02-02 Hydraulic underreamer and sections for use therein
GB0305816A Expired - Fee Related GB2383064B (en) 1999-02-11 2000-02-02 Hydraulic underreamer and sections for use therein

Country Status (1)

Country Link
GB (4) GB2383359B (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4744730A (en) * 1986-03-27 1988-05-17 Roeder George K Downhole jet pump with multiple nozzles axially aligned with venturi for producing fluid from boreholes
DE3738420A1 (en) * 1987-11-12 1989-05-24 Klemm Bohrtech Method and apparatus for constructing piles in the earth
GB2342670B (en) * 1998-09-28 2003-03-26 Camco Int High gas/liquid ratio electric submergible pumping system utilizing a jet pump

Also Published As

Publication number Publication date
GB2383063A (en) 2003-06-18
GB2383064B (en) 2003-07-30
GB0305810D0 (en) 2003-04-16
GB2383359B (en) 2003-08-06
GB2383359A (en) 2003-06-25
GB2383360B (en) 2003-08-06
GB0305816D0 (en) 2003-04-16
GB2383360A (en) 2003-06-25
GB0305813D0 (en) 2003-04-16
GB2383064A (en) 2003-06-18
GB0305812D0 (en) 2003-04-16

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100202