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GB1537000A - Rotary drilling bit - Google Patents

Rotary drilling bit

Info

Publication number
GB1537000A
GB1537000A GB3452777A GB3452777A GB1537000A GB 1537000 A GB1537000 A GB 1537000A GB 3452777 A GB3452777 A GB 3452777A GB 3452777 A GB3452777 A GB 3452777A GB 1537000 A GB1537000 A GB 1537000A
Authority
GB
United Kingdom
Prior art keywords
bit
blank
waterways
rotary drilling
drilling 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
GB3452777A
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.)
Shell Internationale Research Maatschappij BV
Original Assignee
Shell Internationale Research Maatschappij BV
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 Internationale Research Maatschappij BV filed Critical Shell Internationale Research Maatschappij BV
Priority to GB3452777A priority Critical patent/GB1537000A/en
Priority to CA306,633A priority patent/CA1086299A/en
Priority to DE19782835660 priority patent/DE2835660C2/en
Priority to MX17453078A priority patent/MX146381A/en
Priority to FR7823889A priority patent/FR2400610A1/en
Priority to BE189899A priority patent/BE869758A/en
Publication of GB1537000A publication Critical patent/GB1537000A/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
    • 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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/602—Drill bits characterised by conduits or nozzles for drilling fluids the bit being a rotary drag type bit with blades

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)

Abstract

1537000 Boring earth &c SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ BV 17 ug 1977 34527/77 Heading E1F In a full hole drill bit of the type having rows of protruding scraping elements 5, waterways 4 and blank lands 11, each blank land 11 is bordered near the gauge side of the bit by a ridge 14 which forces the drilling mud to flow along the waterways 4. Additional ridges 15 may also be provided on the blank lands 11 near the centre of the bit.
GB3452777A 1977-08-17 1977-08-17 Rotary drilling bit Expired GB1537000A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB3452777A GB1537000A (en) 1977-08-17 1977-08-17 Rotary drilling bit
CA306,633A CA1086299A (en) 1977-08-17 1978-06-30 Rotary drilling bit
DE19782835660 DE2835660C2 (en) 1977-08-17 1978-08-14 Rotary drill bit for making a deep hole
MX17453078A MX146381A (en) 1977-08-17 1978-08-15 IMPROVEMENTS IN ROTATING DRILLING OF WELLS AND THE LIKE
FR7823889A FR2400610A1 (en) 1977-08-17 1978-08-16 ROTATIONAL DRILLING TREPAN
BE189899A BE869758A (en) 1977-08-17 1978-08-16 ROTATIONAL DRILLING TREPAN

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3452777A GB1537000A (en) 1977-08-17 1977-08-17 Rotary drilling bit

Publications (1)

Publication Number Publication Date
GB1537000A true GB1537000A (en) 1978-12-29

Family

ID=10366748

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3452777A Expired GB1537000A (en) 1977-08-17 1977-08-17 Rotary drilling bit

Country Status (6)

Country Link
BE (1) BE869758A (en)
CA (1) CA1086299A (en)
DE (1) DE2835660C2 (en)
FR (1) FR2400610A1 (en)
GB (1) GB1537000A (en)
MX (1) MX146381A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2503242A1 (en) * 1981-04-01 1982-10-08 Christensen Inc ROTARY DRILLING TREPAN FOR DEEP DRILLING
EP0140676A2 (en) * 1983-10-29 1985-05-08 Reed Tool Company Limited Improvements in or relating to rotary drill bits
GB2197676A (en) * 1986-11-22 1988-05-25 Reed Tool Co Improvements in or relating to rotary drill bits
US5505272A (en) * 1993-05-21 1996-04-09 Clark; Ian E. Drill bits

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE9308444U1 (en) * 1993-06-05 1993-08-19 Bilfinger + Berger Bauaktiengesellschaft, 68165 Mannheim Drill bit for drilling in drilling ground with pressurized water

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1582332A (en) * 1923-12-08 1926-04-27 William V Seifert Roller-bits drilling tool
US2371489A (en) * 1943-08-09 1945-03-13 Sam P Daniel Drill bit
US2371490A (en) * 1944-04-10 1945-03-13 Jr Edward B Williams Step-cut drill bit
US3308896A (en) * 1964-08-20 1967-03-14 Homer I Henderson Drilling bit
US3420324A (en) * 1966-04-15 1969-01-07 Herbert J Vesper Air rotary drill bit
US3416617A (en) * 1966-08-22 1968-12-17 Walker Neer Mfg Company Inc Drill bit
DE1483782A1 (en) * 1966-10-26 1969-04-03 Reed Internat Inc Drill bits
US3416618A (en) * 1966-10-28 1968-12-17 Dresser Ind Shrouded bit
US3439757A (en) * 1968-03-12 1969-04-22 Wayland D Elenburg Drilling apparatus
FR2029963A5 (en) * 1969-03-19 1970-10-23 Petroles Cie Francaise
US3709308A (en) * 1970-12-02 1973-01-09 Christensen Diamond Prod Co Diamond drill bits
GB1348694A (en) * 1971-05-10 1974-03-20 Shell Int Research Diamond bit
FR2231845A1 (en) * 1973-06-01 1974-12-27 Shell Int Research Diamond drill bit - with single row of diamonds along each mud channel
US4098363A (en) * 1977-04-25 1978-07-04 Christensen, Inc. Diamond drilling bit for soft and medium hard formations

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2503242A1 (en) * 1981-04-01 1982-10-08 Christensen Inc ROTARY DRILLING TREPAN FOR DEEP DRILLING
EP0140676A2 (en) * 1983-10-29 1985-05-08 Reed Tool Company Limited Improvements in or relating to rotary drill bits
EP0140676A3 (en) * 1983-10-29 1986-02-12 Nl Petroleum Products Limited Improvements in or relating to rotary drill bits
GB2197676A (en) * 1986-11-22 1988-05-25 Reed Tool Co Improvements in or relating to rotary drill bits
GB2197676B (en) * 1986-11-22 1990-06-13 Reed Tool Co Improvements in or relating to rotary drill bits
US5505272A (en) * 1993-05-21 1996-04-09 Clark; Ian E. Drill bits

Also Published As

Publication number Publication date
BE869758A (en) 1979-02-16
FR2400610B1 (en) 1983-05-13
DE2835660A1 (en) 1979-03-01
DE2835660C2 (en) 1986-10-16
FR2400610A1 (en) 1979-03-16
CA1086299A (en) 1980-09-23
MX146381A (en) 1982-06-17

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee