FR1310662A - Drill bit for soil drilling - Google Patents

Drill bit for soil drilling

Info

Publication number
FR1310662A
FR1310662A FR876322A FR876322A FR1310662A FR 1310662 A FR1310662 A FR 1310662A FR 876322 A FR876322 A FR 876322A FR 876322 A FR876322 A FR 876322A FR 1310662 A FR1310662 A FR 1310662A
Authority
FR
France
Prior art keywords
drill bit
soil drilling
drilling
soil
drill
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
FR876322A
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.)
Hughes Tool Co
Original Assignee
Hughes Tool 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 Hughes Tool Co filed Critical Hughes Tool Co
Priority to FR876322A priority Critical patent/FR1310662A/en
Application granted granted Critical
Publication of FR1310662A publication Critical patent/FR1310662A/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
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/24—Roller bits characterised by bearing, lubrication or sealing details characterised by lubricating details

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)
FR876322A 1961-10-18 1961-10-18 Drill bit for soil drilling Expired FR1310662A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR876322A FR1310662A (en) 1961-10-18 1961-10-18 Drill bit for soil drilling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR876322A FR1310662A (en) 1961-10-18 1961-10-18 Drill bit for soil drilling

Publications (1)

Publication Number Publication Date
FR1310662A true FR1310662A (en) 1962-11-30

Family

ID=8764925

Family Applications (1)

Application Number Title Priority Date Filing Date
FR876322A Expired FR1310662A (en) 1961-10-18 1961-10-18 Drill bit for soil drilling

Country Status (1)

Country Link
FR (1) FR1310662A (en)

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