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GB2434387B - Earth boring apparatus - Google Patents

Earth boring apparatus

Info

Publication number
GB2434387B
GB2434387B GB0622068A GB0622068A GB2434387B GB 2434387 B GB2434387 B GB 2434387B GB 0622068 A GB0622068 A GB 0622068A GB 0622068 A GB0622068 A GB 0622068A GB 2434387 B GB2434387 B GB 2434387B
Authority
GB
United Kingdom
Prior art keywords
earth boring
boring apparatus
earth
boring
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
GB0622068A
Other versions
GB2434387A (en
GB0622068D0 (en
Inventor
Ronald Peter Payne
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.)
Cementation Skanska Ltd
Original Assignee
Cementation Foundations Skanska 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 Cementation Foundations Skanska Ltd filed Critical Cementation Foundations Skanska Ltd
Publication of GB0622068D0 publication Critical patent/GB0622068D0/en
Publication of GB2434387A publication Critical patent/GB2434387A/en
Application granted granted Critical
Publication of GB2434387B publication Critical patent/GB2434387B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • 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

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)
  • Geophysics (AREA)
  • Earth Drilling (AREA)
GB0622068A 2006-01-23 2006-11-06 Earth boring apparatus Active GB2434387B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB0601346.0A GB0601346D0 (en) 2006-01-23 2006-01-23 Earth boring apparatus

Publications (3)

Publication Number Publication Date
GB0622068D0 GB0622068D0 (en) 2006-12-13
GB2434387A GB2434387A (en) 2007-07-25
GB2434387B true GB2434387B (en) 2010-12-08

Family

ID=36010812

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB0601346.0A Ceased GB0601346D0 (en) 2006-01-23 2006-01-23 Earth boring apparatus
GB0622068A Active GB2434387B (en) 2006-01-23 2006-11-06 Earth boring apparatus

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB0601346.0A Ceased GB0601346D0 (en) 2006-01-23 2006-01-23 Earth boring apparatus

Country Status (1)

Country Link
GB (2) GB0601346D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2484431B (en) * 2008-03-05 2012-07-04 Cementation Skanska Ltd Device for recovering detachable base from bore hole

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB215051A (en) * 1923-01-08 1924-05-08 Richard Ford Jenkins Improved operative tool for well-boring
GB330433A (en) * 1929-07-13 1930-06-12 Matvey Alcunovitch Capeliushni Improvements in or relating to expansible boring tools for hydraulic boring appliances
US2697586A (en) * 1949-11-26 1954-12-21 Dolen O Talley Earth underreamer
GB1367961A (en) * 1971-09-01 1974-09-25 Smith International Apparatus for drilling and belling underground holes
GB1416624A (en) * 1973-02-13 1975-12-03 Soil Stabilisation Ltd Earth boring equipment and a method of boring holes in earth
US3938598A (en) * 1975-05-14 1976-02-17 Watts James P Belling apparatus
GB2351752A (en) * 1999-07-02 2001-01-10 Kvaerner Cementation Found Ltd A diaphragm wall
GB2372056A (en) * 2001-02-08 2002-08-14 Cementation Found Skanska Ltd Underreamer with a spoil collector for making piles
WO2002097231A1 (en) * 2001-06-01 2002-12-05 Italo De Luca Expandable drilling tool
US6595301B1 (en) * 2001-08-17 2003-07-22 Cdx Gas, Llc Single-blade underreamer
US20030155155A1 (en) * 2002-02-19 2003-08-21 Dewey Charles H. Expandable underreamer/stabilizer

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB215051A (en) * 1923-01-08 1924-05-08 Richard Ford Jenkins Improved operative tool for well-boring
GB330433A (en) * 1929-07-13 1930-06-12 Matvey Alcunovitch Capeliushni Improvements in or relating to expansible boring tools for hydraulic boring appliances
US2697586A (en) * 1949-11-26 1954-12-21 Dolen O Talley Earth underreamer
GB1367961A (en) * 1971-09-01 1974-09-25 Smith International Apparatus for drilling and belling underground holes
GB1416624A (en) * 1973-02-13 1975-12-03 Soil Stabilisation Ltd Earth boring equipment and a method of boring holes in earth
US3938598A (en) * 1975-05-14 1976-02-17 Watts James P Belling apparatus
GB2351752A (en) * 1999-07-02 2001-01-10 Kvaerner Cementation Found Ltd A diaphragm wall
GB2372056A (en) * 2001-02-08 2002-08-14 Cementation Found Skanska Ltd Underreamer with a spoil collector for making piles
WO2002097231A1 (en) * 2001-06-01 2002-12-05 Italo De Luca Expandable drilling tool
US6595301B1 (en) * 2001-08-17 2003-07-22 Cdx Gas, Llc Single-blade underreamer
US20030155155A1 (en) * 2002-02-19 2003-08-21 Dewey Charles H. Expandable underreamer/stabilizer

Also Published As

Publication number Publication date
GB2434387A (en) 2007-07-25
GB0601346D0 (en) 2006-03-01
GB0622068D0 (en) 2006-12-13

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