NL7402212A - - Google Patents

Info

Publication number
NL7402212A
NL7402212A NL7402212A NL7402212A NL7402212A NL 7402212 A NL7402212 A NL 7402212A NL 7402212 A NL7402212 A NL 7402212A NL 7402212 A NL7402212 A NL 7402212A NL 7402212 A NL7402212 A NL 7402212A
Authority
NL
Netherlands
Application number
NL7402212A
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 filed Critical
Publication of NL7402212A publication Critical patent/NL7402212A/xx

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
    • E21B7/046—Directional drilling horizontal drilling

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)
  • Excavating Of Shafts Or Tunnels (AREA)
NL7402212A 1973-02-20 1974-02-18 NL7402212A (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00325884A US3807509A (en) 1973-02-20 1973-02-20 Advancement device for a horizontal earth boring machine

Publications (1)

Publication Number Publication Date
NL7402212A true NL7402212A (it) 1974-08-22

Family

ID=23269877

Family Applications (1)

Application Number Title Priority Date Filing Date
NL7402212A NL7402212A (it) 1973-02-20 1974-02-18

Country Status (9)

Country Link
US (1) US3807509A (it)
JP (1) JPS49126117A (it)
CA (1) CA991206A (it)
DE (1) DE2406671A1 (it)
FR (1) FR2218467B1 (it)
GB (1) GB1466351A (it)
IT (1) IT1008247B (it)
NL (1) NL7402212A (it)
ZA (1) ZA739433B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2241695C3 (de) * 1972-08-24 1978-06-01 Gewerkschaft Eisenhuette Westfalia, 4670 Luenen Vorpreßvorrichtung für den Rohrvorpreßbetrieb
US4976321A (en) * 1989-03-29 1990-12-11 Mclaughlin Manufacturing Company, Inc. Horizontal earth boring machine and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3113628A (en) * 1961-04-28 1963-12-10 Roy D Lewis Drilling and pipe setting machine
US3587755A (en) * 1969-08-11 1971-06-28 Emmet G Slusher Earth boring apparatus
US3682261A (en) * 1970-08-28 1972-08-08 Western Boring Equipment Co Tunnel boring machine

Also Published As

Publication number Publication date
FR2218467B1 (it) 1977-09-16
IT1008247B (it) 1976-11-10
FR2218467A1 (it) 1974-09-13
GB1466351A (en) 1977-03-09
DE2406671A1 (de) 1974-08-22
ZA739433B (en) 1974-11-27
JPS49126117A (it) 1974-12-03
US3807509A (en) 1974-04-30
CA991206A (en) 1976-06-15
AU6415574A (en) 1975-07-03

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Legal Events

Date Code Title Description
BA A request for search or an international-type search has been filed
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BV The patent application has lapsed