FR2620487B1 - ROTARY MONOBLOCK DRILL BIT - Google Patents

ROTARY MONOBLOCK DRILL BIT

Info

Publication number
FR2620487B1
FR2620487B1 FR8713088A FR8713088A FR2620487B1 FR 2620487 B1 FR2620487 B1 FR 2620487B1 FR 8713088 A FR8713088 A FR 8713088A FR 8713088 A FR8713088 A FR 8713088A FR 2620487 B1 FR2620487 B1 FR 2620487B1
Authority
FR
France
Prior art keywords
rotary
drill bit
monoblock
monoblock drill
bit
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
FR8713088A
Other languages
French (fr)
Other versions
FR2620487A1 (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 FR8713088A priority Critical patent/FR2620487B1/en
Publication of FR2620487A1 publication Critical patent/FR2620487A1/en
Application granted granted Critical
Publication of FR2620487B1 publication Critical patent/FR2620487B1/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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
    • E21B10/5673—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts having a non planar or non circular cutting face
    • 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
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Drilling Tools (AREA)
FR8713088A 1987-09-14 1987-09-14 ROTARY MONOBLOCK DRILL BIT Expired FR2620487B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8713088A FR2620487B1 (en) 1987-09-14 1987-09-14 ROTARY MONOBLOCK DRILL BIT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8713088A FR2620487B1 (en) 1987-09-14 1987-09-14 ROTARY MONOBLOCK DRILL BIT

Publications (2)

Publication Number Publication Date
FR2620487A1 FR2620487A1 (en) 1989-03-17
FR2620487B1 true FR2620487B1 (en) 1989-12-01

Family

ID=9355111

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8713088A Expired FR2620487B1 (en) 1987-09-14 1987-09-14 ROTARY MONOBLOCK DRILL BIT

Country Status (1)

Country Link
FR (1) FR2620487B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9279290B2 (en) 2012-12-28 2016-03-08 Smith International, Inc. Manufacture of cutting elements having lobes

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8907618D0 (en) * 1989-04-05 1989-05-17 Morrison Pumps Sa Drilling
BE1010801A3 (en) * 1996-12-16 1999-02-02 Dresser Ind Drilling tool and / or core.
US11828108B2 (en) 2016-01-13 2023-11-28 Schlumberger Technology Corporation Angled chisel insert
CN107052407A (en) * 2017-02-15 2017-08-18 洛阳恒诺锚固技术有限公司 A kind of end face cross hard alloy cutting drill head with symmetric windows

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4116289A (en) * 1977-09-23 1978-09-26 Shell Oil Company Rotary bit with ridges
US4373593A (en) * 1979-03-16 1983-02-15 Christensen, Inc. Drill bit
DE2917664C2 (en) * 1979-05-02 1982-12-09 Christensen, Inc., 84115 Salt Lake City, Utah Rotary drill bit for deep drilling

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9279290B2 (en) 2012-12-28 2016-03-08 Smith International, Inc. Manufacture of cutting elements having lobes

Also Published As

Publication number Publication date
FR2620487A1 (en) 1989-03-17

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Legal Events

Date Code Title Description
TP Transmission of property
TP Transmission of property
ST Notification of lapse