FR676390A - Improvements to sounding tubes - Google Patents

Improvements to sounding tubes

Info

Publication number
FR676390A
FR676390A FR676390DA FR676390A FR 676390 A FR676390 A FR 676390A FR 676390D A FR676390D A FR 676390DA FR 676390 A FR676390 A FR 676390A
Authority
FR
France
Prior art keywords
sounding tubes
sounding
tubes
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.)
CENTRAL FOUNDRY Co
Original Assignee
CENTRAL FOUNDRY Co
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 CENTRAL FOUNDRY Co filed Critical CENTRAL FOUNDRY Co
Application granted granted Critical
Publication of FR676390A publication Critical patent/FR676390A/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

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)
FR676390D 1929-06-08 1929-06-08 Improvements to sounding tubes Expired FR676390A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR676390T 1929-06-08

Publications (1)

Publication Number Publication Date
FR676390A true FR676390A (en) 1930-02-21

Family

ID=9019859

Family Applications (1)

Application Number Title Priority Date Filing Date
FR676390D Expired FR676390A (en) 1929-06-08 1929-06-08 Improvements to sounding tubes

Country Status (1)

Country Link
FR (1) FR676390A (en)

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