GB2048339B - Drilling apparatus for earth drilling - Google Patents

Drilling apparatus for earth drilling

Info

Publication number
GB2048339B
GB2048339B GB8012719A GB8012719A GB2048339B GB 2048339 B GB2048339 B GB 2048339B GB 8012719 A GB8012719 A GB 8012719A GB 8012719 A GB8012719 A GB 8012719A GB 2048339 B GB2048339 B GB 2048339B
Authority
GB
United Kingdom
Prior art keywords
drilling
earth
drilling apparatus
earth drilling
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
GB8012719A
Other versions
GB2048339A (en
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.)
Salzgitter Maschinen und Anlagen AG
Salzgitter Maschinen AG
Original Assignee
Salzgitter Maschinen und Anlagen AG
Salzgitter Maschinen AG
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 Salzgitter Maschinen und Anlagen AG, Salzgitter Maschinen AG filed Critical Salzgitter Maschinen und Anlagen AG
Publication of GB2048339A publication Critical patent/GB2048339A/en
Application granted granted Critical
Publication of GB2048339B publication Critical patent/GB2048339B/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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/18—Anchoring or feeding in the borehole

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)
GB8012719A 1979-05-18 1980-04-17 Drilling apparatus for earth drilling Expired GB2048339B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19792920049 DE2920049A1 (en) 1979-05-18 1979-05-18 DRILLING DEVICE FOR EARTH DRILLING

Publications (2)

Publication Number Publication Date
GB2048339A GB2048339A (en) 1980-12-10
GB2048339B true GB2048339B (en) 1983-03-16

Family

ID=6071028

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8012719A Expired GB2048339B (en) 1979-05-18 1980-04-17 Drilling apparatus for earth drilling

Country Status (5)

Country Link
JP (1) JPS5816436B2 (en)
DE (1) DE2920049A1 (en)
FR (1) FR2456830A1 (en)
GB (1) GB2048339B (en)
IT (2) IT1130805B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8555963B2 (en) 2000-05-18 2013-10-15 Wwt International, Inc. Gripper assembly for downhole tools
US9447648B2 (en) 2011-10-28 2016-09-20 Wwt North America Holdings, Inc High expansion or dual link gripper
US9488020B2 (en) 2014-01-27 2016-11-08 Wwt North America Holdings, Inc. Eccentric linkage gripper

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO179261C (en) * 1992-12-16 1996-09-04 Rogalandsforskning Device for drilling holes in the earth's crust, especially for drilling oil wells
SE501283C2 (en) * 1993-05-06 1995-01-09 Lars Sterner rock Drill
SE508950C2 (en) * 1993-12-29 1998-11-16 Lars Liw Steering tool for rock drilling
US6286614B1 (en) * 2000-03-27 2001-09-11 Halliburton Energy Services, Inc. Motion compensator for drilling from a floater
US8245796B2 (en) 2000-12-01 2012-08-21 Wwt International, Inc. Tractor with improved valve system
FR2832454B1 (en) * 2001-11-20 2004-07-09 Cie Du Sol VERTICAL WELL DRILLING EQUIPMENT
DE10336315A1 (en) * 2003-08-07 2005-03-03 Helmut Hross Vertical drill, to form a borehole for filling with concrete as a load-bearing pile/ground anchor, has a drill head suspended from a crane with a support system against the borehole wall
US7392859B2 (en) 2004-03-17 2008-07-01 Western Well Tool, Inc. Roller link toggle gripper and downhole tractor
US7624808B2 (en) 2006-03-13 2009-12-01 Western Well Tool, Inc. Expandable ramp gripper
WO2008061100A1 (en) 2006-11-14 2008-05-22 Rudolph Ernst Krueger Variable linkage assisted gripper
US8485278B2 (en) 2009-09-29 2013-07-16 Wwt International, Inc. Methods and apparatuses for inhibiting rotational misalignment of assemblies in expandable well tools

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2946578A (en) * 1952-08-04 1960-07-26 Smaele Albert De Excavator apparatus having stepper type advancing means
FR1354032A (en) * 1963-04-26 1964-02-28 Drilling device
US3376942A (en) * 1965-07-13 1968-04-09 Baker Oil Tools Inc Large hole vertical drilling apparatus
US3422631A (en) * 1966-11-16 1969-01-21 Daniel Silverman Method and apparatus for driving and lining an underground conduit
FR1589717A (en) * 1968-09-04 1970-04-06
FR1591323A (en) * 1968-11-07 1970-04-27
AR207479A1 (en) * 1974-07-29 1976-10-08 Edenvale Eng Works IMPROVEMENTS IN DRILLING MACHINES
US3942595A (en) * 1974-11-14 1976-03-09 Boris Vasilievich Sudnishnikov Self-propelled percussive machine for boring holes
US4095655A (en) * 1975-10-14 1978-06-20 Still William L Earth penetration
US3978930A (en) * 1975-11-14 1976-09-07 Continental Oil Company Earth drilling mechanisms
DE2734185C2 (en) * 1977-07-29 1983-02-10 Stahl- Und Apparatebau Hans Leffer Gmbh, 6602 Dudweiler Plant for drilling a borehole for pile foundations

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8555963B2 (en) 2000-05-18 2013-10-15 Wwt International, Inc. Gripper assembly for downhole tools
US8944161B2 (en) 2000-05-18 2015-02-03 Wwt North America Holdings, Inc. Gripper assembly for downhole tools
US9228403B1 (en) 2000-05-18 2016-01-05 Wwt North America Holdings, Inc. Gripper assembly for downhole tools
US9447648B2 (en) 2011-10-28 2016-09-20 Wwt North America Holdings, Inc High expansion or dual link gripper
US9488020B2 (en) 2014-01-27 2016-11-08 Wwt North America Holdings, Inc. Eccentric linkage gripper

Also Published As

Publication number Publication date
GB2048339A (en) 1980-12-10
JPS55155893A (en) 1980-12-04
FR2456830B1 (en) 1983-05-06
JPS5816436B2 (en) 1983-03-31
DE2920049A1 (en) 1981-02-12
IT8067637A0 (en) 1980-04-23
IT8053155V0 (en) 1980-04-23
IT1130805B (en) 1986-06-18
FR2456830A1 (en) 1980-12-12

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Legal Events

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