FR1008111A - Device for advancing rotary perforators - Google Patents

Device for advancing rotary perforators

Info

Publication number
FR1008111A
FR1008111A FR1008111DA FR1008111A FR 1008111 A FR1008111 A FR 1008111A FR 1008111D A FR1008111D A FR 1008111DA FR 1008111 A FR1008111 A FR 1008111A
Authority
FR
France
Prior art keywords
perforators
advancing rotary
advancing
rotary perforators
rotary
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
Other languages
French (fr)
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.)
Victor Products Wallsend Ltd
Victor Products Ltd
Original Assignee
Victor Products Wallsend Ltd
Victor Products 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 Victor Products Wallsend Ltd, Victor Products Ltd filed Critical Victor Products Wallsend Ltd
Application granted granted Critical
Publication of FR1008111A publication Critical patent/FR1008111A/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
    • E21B19/00—Handling rods, casings, tubes or the like outside the borehole, e.g. in the derrick; Apparatus for feeding the rods or cables
    • E21B19/08—Apparatus for feeding the rods or cables; Apparatus for increasing or decreasing the pressure on the drilling tool; Apparatus for counterbalancing the weight of the rods
    • E21B19/081—Screw-and-nut feed mechanisms

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)
FR1008111D 1949-01-12 1950-01-09 Device for advancing rotary perforators Expired FR1008111A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1008111X 1949-01-12

Publications (1)

Publication Number Publication Date
FR1008111A true FR1008111A (en) 1952-05-14

Family

ID=10867748

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1008111D Expired FR1008111A (en) 1949-01-12 1950-01-09 Device for advancing rotary perforators

Country Status (3)

Country Link
BE (1) BE493209A (en)
DE (1) DE809182C (en)
FR (1) FR1008111A (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5393175A (en) * 1993-06-18 1995-02-28 Courville; Leo Diamond core drill

Also Published As

Publication number Publication date
BE493209A (en)
DE809182C (en) 1951-07-23

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