FR2640313B1 - DRILL BIT WITH SPIRAL COMBINATION MILL - Google Patents

DRILL BIT WITH SPIRAL COMBINATION MILL

Info

Publication number
FR2640313B1
FR2640313B1 FR8816714A FR8816714A FR2640313B1 FR 2640313 B1 FR2640313 B1 FR 2640313B1 FR 8816714 A FR8816714 A FR 8816714A FR 8816714 A FR8816714 A FR 8816714A FR 2640313 B1 FR2640313 B1 FR 2640313B1
Authority
FR
France
Prior art keywords
drill bit
spiral combination
combination mill
mill
spiral
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 - Lifetime
Application number
FR8816714A
Other languages
French (fr)
Other versions
FR2640313A1 (en
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR8816714A priority Critical patent/FR2640313B1/en
Publication of FR2640313A1 publication Critical patent/FR2640313A1/en
Application granted granted Critical
Publication of FR2640313B1 publication Critical patent/FR2640313B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • E21B4/00—Drives for drilling, used in the borehole
    • E21B4/006—Mechanical motion converting means, e.g. reduction gearings
    • 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
    • E21B10/12—Roller bits with discs cutters
    • 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
    • E21B10/16—Roller bits characterised by tooth form or arrangement
    • 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
    • E21B10/44—Bits with helical conveying portion, e.g. screw type bits; Augers with leading portion or with detachable parts
    • 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
    • E21B7/003—Drilling with mechanical conveying means
    • E21B7/005—Drilling with mechanical conveying means with helical conveying means

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)
FR8816714A 1988-12-14 1988-12-14 DRILL BIT WITH SPIRAL COMBINATION MILL Expired - Lifetime FR2640313B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8816714A FR2640313B1 (en) 1988-12-14 1988-12-14 DRILL BIT WITH SPIRAL COMBINATION MILL

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8816714A FR2640313B1 (en) 1988-12-14 1988-12-14 DRILL BIT WITH SPIRAL COMBINATION MILL

Publications (2)

Publication Number Publication Date
FR2640313A1 FR2640313A1 (en) 1990-06-15
FR2640313B1 true FR2640313B1 (en) 1991-04-05

Family

ID=9373084

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8816714A Expired - Lifetime FR2640313B1 (en) 1988-12-14 1988-12-14 DRILL BIT WITH SPIRAL COMBINATION MILL

Country Status (1)

Country Link
FR (1) FR2640313B1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1297925B1 (en) * 1997-12-29 1999-12-20 Stefano Tongiani PERFORATING TIP WITH FORCED COMBINED ROTATIONS
CN115162953B (en) * 2022-09-07 2022-12-02 山东省煤田地质局物探测量队 Perforating device for geological exploration

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1391626A (en) * 1920-04-27 1921-09-20 Richard J Bequette Drill-head for well-driling apparatus
US1778966A (en) * 1927-09-06 1930-10-21 Reed Roller Bit Co Roller bit
US2894727A (en) * 1955-05-17 1959-07-14 Homer I Henderson Drilling bit
US3235016A (en) * 1963-12-23 1966-02-15 George C Dennis Auger with travelling cutter
GB2028897B (en) * 1978-08-26 1982-09-15 Paurat F Equipment for the sinking of shafts
EP0050954A1 (en) * 1980-10-23 1982-05-05 Cementation Research Limited Boring tools

Also Published As

Publication number Publication date
FR2640313A1 (en) 1990-06-15

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Legal Events

Date Code Title Description
ST Notification of lapse