GB2245626B - Enhanced diameter clean-out tool and method - Google Patents

Enhanced diameter clean-out tool and method

Info

Publication number
GB2245626B
GB2245626B GB9116924A GB9116924A GB2245626B GB 2245626 B GB2245626 B GB 2245626B GB 9116924 A GB9116924 A GB 9116924A GB 9116924 A GB9116924 A GB 9116924A GB 2245626 B GB2245626 B GB 2245626B
Authority
GB
United Kingdom
Prior art keywords
out tool
enhanced diameter
diameter clean
clean
enhanced
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 - Lifetime
Application number
GB9116924A
Other versions
GB9116924D0 (en
GB2245626A (en
Inventor
Charles David Hailey
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.)
Individual
Original Assignee
Individual
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 US07/110,219 external-priority patent/US4809793A/en
Application filed by Individual filed Critical Individual
Publication of GB9116924D0 publication Critical patent/GB9116924D0/en
Publication of GB2245626A publication Critical patent/GB2245626A/en
Application granted granted Critical
Publication of GB2245626B publication Critical patent/GB2245626B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E21B37/02—Scrapers specially adapted therefor
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
    • E21B47/095—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes by detecting an acoustic anomalies, e.g. using mud-pressure pulses

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (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)
  • Acoustics & Sound (AREA)
  • Geophysics (AREA)
  • Earth Drilling (AREA)
GB9116924A 1987-10-19 1991-08-05 Enhanced diameter clean-out tool and method Expired - Lifetime GB2245626B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/110,219 US4809793A (en) 1987-10-19 1987-10-19 Enhanced diameter clean-out tool and method
GB8800624A GB2211221B (en) 1987-10-19 1988-01-12 Enhanced diameter clean-out tool and method

Publications (3)

Publication Number Publication Date
GB9116924D0 GB9116924D0 (en) 1991-09-18
GB2245626A GB2245626A (en) 1992-01-08
GB2245626B true GB2245626B (en) 1992-03-25

Family

ID=26293301

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9116924A Expired - Lifetime GB2245626B (en) 1987-10-19 1991-08-05 Enhanced diameter clean-out tool and method

Country Status (1)

Country Link
GB (1) GB2245626B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2320270B (en) * 1996-12-06 2001-01-17 Psl Tools Ltd Downhole tool

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB401721A (en) * 1932-05-18 1933-11-20 Baker Oil Tools Inc Hydraulic underreamer
GB497877A (en) * 1936-11-30 1938-12-30 Macclatchie Mfg Company Of Cal Expansible cutter tool
GB643196A (en) * 1948-04-13 1950-09-15 Baker Oil Tools Inc Fluid operated underreamers
GB1218915A (en) * 1968-09-24 1971-01-13 Rotary Oil Tool Company Expansible rotary drill bit with hydraulic lock

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB401721A (en) * 1932-05-18 1933-11-20 Baker Oil Tools Inc Hydraulic underreamer
GB497877A (en) * 1936-11-30 1938-12-30 Macclatchie Mfg Company Of Cal Expansible cutter tool
GB643196A (en) * 1948-04-13 1950-09-15 Baker Oil Tools Inc Fluid operated underreamers
GB1218915A (en) * 1968-09-24 1971-01-13 Rotary Oil Tool Company Expansible rotary drill bit with hydraulic lock

Also Published As

Publication number Publication date
GB9116924D0 (en) 1991-09-18
GB2245626A (en) 1992-01-08

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Legal Events

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