GB401721A - Hydraulic underreamer - Google Patents

Hydraulic underreamer

Info

Publication number
GB401721A
GB401721A GB14173/32A GB1417332A GB401721A GB 401721 A GB401721 A GB 401721A GB 14173/32 A GB14173/32 A GB 14173/32A GB 1417332 A GB1417332 A GB 1417332A GB 401721 A GB401721 A GB 401721A
Authority
GB
United Kingdom
Prior art keywords
hydraulic underreamer
triggs
lincoln
london
california
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
GB14173/32A
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.)
Baker Hughes Oilfield Operations LLC
Original Assignee
Baker Oil Tools Inc
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 Baker Oil Tools Inc filed Critical Baker Oil Tools Inc
Priority to GB14173/32A priority Critical patent/GB401721A/en
Publication of GB401721A publication Critical patent/GB401721A/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
    • E21B10/00—Drill bits
    • E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
    • E21B10/32—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools
    • E21B10/322—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers with expansible cutting tools cutter shifted by fluid pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Earth Drilling (AREA)

Abstract

401,721. Locking threaded joints. TRIGGS, W. W., 57, Lincoln's Inn Fields, London.-(Baker Oil Tools, Inc. ; Huntington Park, California, U.S.A.) May 18, 1932, No. 14173. [Class 89 (i).] A threaded pipe and like joint is locked by means of a spring-pressed serrated dog 37.
GB14173/32A 1932-05-18 1932-05-18 Hydraulic underreamer Expired GB401721A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB14173/32A GB401721A (en) 1932-05-18 1932-05-18 Hydraulic underreamer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB14173/32A GB401721A (en) 1932-05-18 1932-05-18 Hydraulic underreamer

Publications (1)

Publication Number Publication Date
GB401721A true GB401721A (en) 1933-11-20

Family

ID=10036320

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14173/32A Expired GB401721A (en) 1932-05-18 1932-05-18 Hydraulic underreamer

Country Status (1)

Country Link
GB (1) GB401721A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128657A (en) * 1982-10-22 1984-05-02 Coal Ind Drilling methods and equipment
GB2172315A (en) * 1985-01-04 1986-09-17 Lam Ming Luen Expandable-contractable drilling device
US4660657A (en) * 1985-10-21 1987-04-28 Smith International, Inc. Underreamer
GB2245626A (en) * 1987-10-19 1992-01-08 Hailey Charles D Enhanced diameter clean-out tool

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2128657A (en) * 1982-10-22 1984-05-02 Coal Ind Drilling methods and equipment
GB2172315A (en) * 1985-01-04 1986-09-17 Lam Ming Luen Expandable-contractable drilling device
US4660657A (en) * 1985-10-21 1987-04-28 Smith International, Inc. Underreamer
GB2245626A (en) * 1987-10-19 1992-01-08 Hailey Charles D Enhanced diameter clean-out tool
GB2245626B (en) * 1987-10-19 1992-03-25 Hailey Charles D Enhanced diameter clean-out tool and method

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