GB2384266B - Drill bit - Google Patents

Drill bit

Info

Publication number
GB2384266B
GB2384266B GB0309627A GB0309627A GB2384266B GB 2384266 B GB2384266 B GB 2384266B GB 0309627 A GB0309627 A GB 0309627A GB 0309627 A GB0309627 A GB 0309627A GB 2384266 B GB2384266 B GB 2384266B
Authority
GB
United Kingdom
Prior art keywords
drill bit
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 - Fee Related
Application number
GB0309627A
Other versions
GB2384266A (en
Inventor
Steven Wilford Peterson
Chris E Cawthorne
Quan Van Nguyen
Michael Allen Siracki
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.)
Smith International Inc
Original Assignee
Smith International Inc
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 Smith International Inc filed Critical Smith International Inc
Priority claimed from GB0002397A external-priority patent/GB2347701B/en
Publication of GB2384266A publication Critical patent/GB2384266A/en
Application granted granted Critical
Publication of GB2384266B publication Critical patent/GB2384266B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B10/08—Roller bits
    • E21B10/22—Roller bits characterised by bearing, lubrication or sealing details
    • E21B10/25—Roller bits characterised by bearing, lubrication or sealing details characterised by sealing details

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)
  • Sealing Devices (AREA)
  • Earth Drilling (AREA)
GB0309627A 1999-02-02 2000-02-02 Drill bit Expired - Fee Related GB2384266B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11823999P 1999-02-02 1999-02-02
GB0002397A GB2347701B (en) 1999-02-02 2000-02-02 Drill bit

Publications (2)

Publication Number Publication Date
GB2384266A GB2384266A (en) 2003-07-23
GB2384266B true GB2384266B (en) 2003-10-01

Family

ID=26243549

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0309627A Expired - Fee Related GB2384266B (en) 1999-02-02 2000-02-02 Drill bit

Country Status (1)

Country Link
GB (1) GB2384266B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109469446A (en) * 2019-01-25 2019-03-15 沧州格锐特钻头有限公司 A kind of rock bit with chip removal structure
CN110984864B (en) * 2019-12-25 2022-03-15 西南石油大学 Roller bit seal structure

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB949857A (en) * 1961-01-03 1964-02-19 Hughes Tool Co Seal
GB1210874A (en) * 1967-03-23 1970-11-04 Smith Ind International Inc Shaft seal
GB2119036A (en) * 1982-04-20 1983-11-09 Reed Rock Bit Co Dynamic seal for rolling cutter drill bit
GB2316110A (en) * 1996-08-06 1998-02-18 Baker Hughes Inc Metal face seal for earth boring bits

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB949857A (en) * 1961-01-03 1964-02-19 Hughes Tool Co Seal
GB1210874A (en) * 1967-03-23 1970-11-04 Smith Ind International Inc Shaft seal
GB2119036A (en) * 1982-04-20 1983-11-09 Reed Rock Bit Co Dynamic seal for rolling cutter drill bit
GB2316110A (en) * 1996-08-06 1998-02-18 Baker Hughes Inc Metal face seal for earth boring bits

Also Published As

Publication number Publication date
GB2384266A (en) 2003-07-23

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Legal Events

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

Effective date: 20160202