BE800320A - DIAMOND TREPAN, - Google Patents

DIAMOND TREPAN,

Info

Publication number
BE800320A
BE800320A BE131764A BE131764A BE800320A BE 800320 A BE800320 A BE 800320A BE 131764 A BE131764 A BE 131764A BE 131764 A BE131764 A BE 131764A BE 800320 A BE800320 A BE 800320A
Authority
BE
Belgium
Prior art keywords
trepan
diamond
diamond trepan
Prior art date
Application number
BE131764A
Other languages
French (fr)
Original Assignee
Shell Int Research
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 Shell Int Research filed Critical Shell Int Research
Publication of BE800320A publication Critical patent/BE800320A/en

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

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
BE131764A 1971-04-23 1973-05-30 DIAMOND TREPAN, BE800320A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1103171 1971-04-23

Publications (1)

Publication Number Publication Date
BE800320A true BE800320A (en) 1973-11-30

Family

ID=9978788

Family Applications (1)

Application Number Title Priority Date Filing Date
BE131764A BE800320A (en) 1971-04-23 1973-05-30 DIAMOND TREPAN,

Country Status (3)

Country Link
US (1) US3747699A (en)
BE (1) BE800320A (en)
GB (1) GB1344921A (en)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938599A (en) * 1974-03-27 1976-02-17 Hycalog, Inc. Rotary drill bit
US4098363A (en) * 1977-04-25 1978-07-04 Christensen, Inc. Diamond drilling bit for soft and medium hard formations
DE2719330C3 (en) * 1977-04-30 1984-01-05 Christensen, Inc., 84115 Salt Lake City, Utah Rotary drill bit
US4116289A (en) * 1977-09-23 1978-09-26 Shell Oil Company Rotary bit with ridges
US4244432A (en) * 1978-06-08 1981-01-13 Christensen, Inc. Earth-boring drill bits
US4221270A (en) * 1978-12-18 1980-09-09 Smith International, Inc. Drag bit
GB2060735B (en) * 1979-10-16 1983-06-22 Christensen Inc Diamond drill bits for drilling bore holes in earth formations
JPS5891287A (en) * 1981-11-20 1983-05-31 株式会社利根ボ−リング Drill bit
US4505342A (en) * 1982-11-22 1985-03-19 Nl Industries, Inc. Drill bit
US4529047A (en) * 1983-02-24 1985-07-16 Norton Christensen, Inc. Cutting tooth and a rotating bit having a fully exposed polycrystalline diamond element
US4515226A (en) * 1983-03-07 1985-05-07 Norton Christensen, Inc. Tooth design to avoid shearing stresses
USRE33757E (en) * 1984-06-07 1991-12-03 Dresser Industries, Inc. Diamond drill bit with varied cutting elements
US4602691A (en) * 1984-06-07 1986-07-29 Hughes Tool Company Diamond drill bit with varied cutting elements
US5282513A (en) * 1992-02-04 1994-02-01 Smith International, Inc. Thermally stable polycrystalline diamond drill bit
US5238075A (en) * 1992-06-19 1993-08-24 Dresser Industries, Inc. Drill bit with improved cutter sizing pattern
US6547017B1 (en) 1994-09-07 2003-04-15 Smart Drilling And Completion, Inc. Rotary drill bit compensating for changes in hardness of geological formations
US5615747A (en) * 1994-09-07 1997-04-01 Vail, Iii; William B. Monolithic self sharpening rotary drill bit having tungsten carbide rods cast in steel alloys
US5755299A (en) * 1995-08-03 1998-05-26 Dresser Industries, Inc. Hardfacing with coated diamond particles
WO2007107181A2 (en) * 2006-03-17 2007-09-27 Halliburton Energy Services, Inc. Matrix drill bits with back raked cutting elements

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2371489A (en) * 1943-08-09 1945-03-13 Sam P Daniel Drill bit
US2425132A (en) * 1946-11-29 1947-08-05 Stokes Stanley Archer Bit
US2818233A (en) * 1954-05-03 1957-12-31 Jr Edward B Williams Drill bit
US3027952A (en) * 1958-07-30 1962-04-03 Socony Mobil Oil Co Inc Drill bit
US3058535A (en) * 1959-10-28 1962-10-16 Edward B Williams Iii Rotary drill bit
US3605923A (en) * 1969-01-24 1971-09-20 Shell Oil Co Diamond bits having diamonds positioned in concentric circles on the drilling face
GB1265071A (en) * 1969-04-30 1972-03-01

Also Published As

Publication number Publication date
US3747699A (en) 1973-07-24
GB1344921A (en) 1974-01-23

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