CA923883A - Steering apparatus for soil burrowing mole - Google Patents

Steering apparatus for soil burrowing mole

Info

Publication number
CA923883A
CA923883A CA089361A CA89361A CA923883A CA 923883 A CA923883 A CA 923883A CA 089361 A CA089361 A CA 089361A CA 89361 A CA89361 A CA 89361A CA 923883 A CA923883 A CA 923883A
Authority
CA
Canada
Prior art keywords
mole
steering apparatus
burrowing
soil
soil burrowing
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
CA089361A
Inventor
G. Mccoy Robert
C. Coyne James
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of CA923883A publication Critical patent/CA923883A/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
    • E21B7/00—Special methods or apparatus for drilling
    • E21B7/04—Directional drilling
    • E21B7/06—Deflecting the direction of boreholes
    • E21B7/068—Deflecting the direction of boreholes drilled by a down-hole drilling motor

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (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)
  • Excavating Of Shafts Or Tunnels (AREA)
CA089361A 1969-12-10 1970-07-28 Steering apparatus for soil burrowing mole Expired CA923883A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US88378669A 1969-12-10 1969-12-10

Publications (1)

Publication Number Publication Date
CA923883A true CA923883A (en) 1973-04-03

Family

ID=25383338

Family Applications (1)

Application Number Title Priority Date Filing Date
CA089361A Expired CA923883A (en) 1969-12-10 1970-07-28 Steering apparatus for soil burrowing mole

Country Status (2)

Country Link
US (1) US3630295A (en)
CA (1) CA923883A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2242605C3 (en) * 1972-08-30 1984-06-07 Paul 5940 Lennestadt Schmidt Ram drilling rigs
US3853186A (en) * 1973-03-12 1974-12-10 Continental Oil Co Drilling assembly deflection apparatus
US3888319A (en) * 1973-11-26 1975-06-10 Continental Oil Co Control system for a drilling apparatus
CN1007635B (en) * 1985-04-01 1990-04-18 田善达 Underearth propeller
US4646277A (en) * 1985-04-12 1987-02-24 Gas Research Institute Control for guiding a boring tool
EP0428181B1 (en) * 1985-04-05 1994-08-10 Gas Research Institute Percussion tool for drilling holes in the soil
US4632191A (en) * 1985-04-05 1986-12-30 Gas Research Institute Steering system for percussion boring tools
GB8531382D0 (en) * 1985-12-20 1986-02-05 Kayes A G Soil displacement hammer
JPH01131794A (en) * 1987-11-18 1989-05-24 Iseki Poly Tech Inc Method and device for constructing duct and shield type tunnel excavator
CA1276928C (en) * 1988-01-08 1990-11-27 Piotr Grabinski Deflection apparatus
GB8807359D0 (en) * 1988-03-28 1988-04-27 Kayes A G Soil displacement hammer
US5255749A (en) * 1992-03-16 1993-10-26 Steer-Rite, Ltd. Steerable burrowing mole
DK9400012U4 (en) * 1994-01-11 1995-04-28 Breakers As Hydraulically driven underground displacement device
US5794718A (en) * 1996-03-11 1998-08-18 Lockheed Idaho Technologies Company Maneuvering impact boring head
US5957222A (en) * 1997-06-10 1999-09-28 Charles T. Webb Directional drilling system
EP1086291B1 (en) * 1998-06-08 2006-10-25 Charles T. Webb Directional drilling system and apparatus
US6607045B2 (en) * 2001-10-10 2003-08-19 Donald Beyerl Steering apparatus
US8276687B2 (en) 2009-04-30 2012-10-02 Mclaughlin Group, Inc. Steering head
US9181752B2 (en) 2012-02-03 2015-11-10 William Malcolm Steering head
US9115542B1 (en) * 2015-04-14 2015-08-25 GDD Associates, Trustee for Geo-diving device CRT Trust Geo-diving device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1276706A (en) * 1918-04-30 1918-08-27 Gurdy L Aydelotte Land-torpedo.
US3326008A (en) * 1965-04-01 1967-06-20 Baran Paul Electrical gopher
US3375885A (en) * 1965-09-13 1968-04-02 California Inst Res Found Burrowing apparatus
US3480092A (en) * 1967-11-08 1969-11-25 Bell Telephone Labor Inc Rotary impact burrowing device
US3465834A (en) * 1968-03-18 1969-09-09 Bell Telephone Labor Inc Guided subterranean penetrator systems

Also Published As

Publication number Publication date
US3630295A (en) 1971-12-28

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