FR1345952A - Method for widening drilled boreholes - Google Patents

Method for widening drilled boreholes

Info

Publication number
FR1345952A
FR1345952A FR922232A FR922232A FR1345952A FR 1345952 A FR1345952 A FR 1345952A FR 922232 A FR922232 A FR 922232A FR 922232 A FR922232 A FR 922232A FR 1345952 A FR1345952 A FR 1345952A
Authority
FR
France
Prior art keywords
widening
drilled boreholes
boreholes
drilled
widening drilled
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
FR922232A
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.)
J C SODING AND HALBACH
Original Assignee
J C SODING AND HALBACH
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 J C SODING AND HALBACH filed Critical J C SODING AND HALBACH
Priority to FR922232A priority Critical patent/FR1345952A/en
Application granted granted Critical
Publication of FR1345952A publication Critical patent/FR1345952A/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
    • E21B7/28—Enlarging drilled holes, e.g. by counterboring

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)
FR922232A 1963-01-22 1963-01-22 Method for widening drilled boreholes Expired FR1345952A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR922232A FR1345952A (en) 1963-01-22 1963-01-22 Method for widening drilled boreholes

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR922232A FR1345952A (en) 1963-01-22 1963-01-22 Method for widening drilled boreholes

Publications (1)

Publication Number Publication Date
FR1345952A true FR1345952A (en) 1963-12-13

Family

ID=8795253

Family Applications (1)

Application Number Title Priority Date Filing Date
FR922232A Expired FR1345952A (en) 1963-01-22 1963-01-22 Method for widening drilled boreholes

Country Status (1)

Country Link
FR (1) FR1345952A (en)

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