RU2206701C2 - Буровое долото - Google Patents

Буровое долото Download PDF

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Publication number
RU2206701C2
RU2206701C2 RU2000107855A RU2000107855A RU2206701C2 RU 2206701 C2 RU2206701 C2 RU 2206701C2 RU 2000107855 A RU2000107855 A RU 2000107855A RU 2000107855 A RU2000107855 A RU 2000107855A RU 2206701 C2 RU2206701 C2 RU 2206701C2
Authority
RU
Russia
Prior art keywords
cone
cutting
well
bit
rock
Prior art date
Application number
RU2000107855A
Other languages
English (en)
Russian (ru)
Other versions
RU2000107855A (ru
Inventor
Дьюрре Ханс Зейслинг
Original Assignee
Шелл Интернэшнл Рисерч Маатсхаппий Б.В.
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 Шелл Интернэшнл Рисерч Маатсхаппий Б.В. filed Critical Шелл Интернэшнл Рисерч Маатсхаппий Б.В.
Publication of RU2000107855A publication Critical patent/RU2000107855A/ru
Application granted granted Critical
Publication of RU2206701C2 publication Critical patent/RU2206701C2/ru

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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
    • E21B10/16—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
    • E21B10/08—Roller bits
    • E21B10/12—Roller bits with discs cutters

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)
  • Earth Drilling (AREA)
  • Drilling Tools (AREA)
  • Holo Graphy (AREA)
  • Surgical Instruments (AREA)
RU2000107855A 1997-08-28 1998-08-28 Буровое долото RU2206701C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP97306602 1997-08-28
EP97306602.0 1997-08-28

Publications (2)

Publication Number Publication Date
RU2000107855A RU2000107855A (ru) 2002-01-10
RU2206701C2 true RU2206701C2 (ru) 2003-06-20

Family

ID=8229483

Family Applications (1)

Application Number Title Priority Date Filing Date
RU2000107855A RU2206701C2 (ru) 1997-08-28 1998-08-28 Буровое долото

Country Status (12)

Country Link
CN (1) CN1098400C (pt)
AR (1) AR016883A1 (pt)
AU (1) AU727657B2 (pt)
BR (1) BR9811389A (pt)
CA (1) CA2300158A1 (pt)
EG (1) EG21701A (pt)
GB (1) GB2344842B (pt)
ID (1) ID24483A (pt)
NO (1) NO318151B1 (pt)
OA (1) OA11327A (pt)
RU (1) RU2206701C2 (pt)
WO (1) WO1999011900A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EG22664A (en) 2000-09-08 2003-05-31 Shell Int Research Drill bit
CN102747960A (zh) * 2012-07-11 2012-10-24 江汉石油钻头股份有限公司 一种混合钻头
CN112557092B (zh) * 2020-12-29 2022-08-09 中国原子能科学研究院 取样装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US511894A (en) * 1894-01-02 Display-case
BE639074A (pt) * 1962-10-23
US3265139A (en) * 1963-12-09 1966-08-09 Continental Oil Co Roller cone drill bit
JPS59122690A (ja) * 1982-12-28 1984-07-16 住友金属鉱山株式会社 地中穿孔ドリルビツト
US5111894A (en) * 1990-08-23 1992-05-12 Sybil J. Williams Uninterrupted drill bit
US5311958A (en) * 1992-09-23 1994-05-17 Baker Hughes Incorporated Earth-boring bit with an advantageous cutting structure
US5394952A (en) * 1993-08-24 1995-03-07 Smith International, Inc. Core cutting rock bit

Also Published As

Publication number Publication date
BR9811389A (pt) 2000-08-29
WO1999011900A1 (en) 1999-03-11
ID24483A (id) 2000-07-20
AU727657B2 (en) 2000-12-21
EG21701A (en) 2002-02-27
GB2344842A (en) 2000-06-21
AU9537898A (en) 1999-03-22
CN1098400C (zh) 2003-01-08
GB0003248D0 (en) 2000-04-05
AR016883A1 (es) 2001-08-01
GB2344842B (en) 2001-11-28
NO20000938L (no) 2000-02-25
CN1268991A (zh) 2000-10-04
NO318151B1 (no) 2005-02-07
NO20000938D0 (no) 2000-02-25
OA11327A (en) 2003-12-09
CA2300158A1 (en) 1999-03-11

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Legal Events

Date Code Title Description
MM4A The patent is invalid due to non-payment of fees

Effective date: 20090829