FR472257A - Process for drilling holes for wells and piles - Google Patents

Process for drilling holes for wells and piles

Info

Publication number
FR472257A
FR472257A FR472257DA FR472257A FR 472257 A FR472257 A FR 472257A FR 472257D A FR472257D A FR 472257DA FR 472257 A FR472257 A FR 472257A
Authority
FR
France
Prior art keywords
piles
wells
drilling holes
drilling
holes
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.)
INT SIEGWARTBALKEN GES
Original Assignee
INT SIEGWARTBALKEN GES
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 INT SIEGWARTBALKEN GES filed Critical INT SIEGWARTBALKEN GES
Application granted granted Critical
Publication of FR472257A publication Critical patent/FR472257A/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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/14—Casing shoes for the protection of the bottom of the casing

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)
FR472257D 1913-09-18 1914-05-15 Process for drilling holes for wells and piles Expired FR472257A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE472257X 1913-09-18

Publications (1)

Publication Number Publication Date
FR472257A true FR472257A (en) 1914-11-27

Family

ID=1510451

Family Applications (1)

Application Number Title Priority Date Filing Date
FR472257D Expired FR472257A (en) 1913-09-18 1914-05-15 Process for drilling holes for wells and piles

Country Status (1)

Country Link
FR (1) FR472257A (en)

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