GB713998A - Improvements in or relating to drill bits - Google Patents

Improvements in or relating to drill bits

Info

Publication number
GB713998A
GB713998A GB9941/52A GB994152A GB713998A GB 713998 A GB713998 A GB 713998A GB 9941/52 A GB9941/52 A GB 9941/52A GB 994152 A GB994152 A GB 994152A GB 713998 A GB713998 A GB 713998A
Authority
GB
United Kingdom
Prior art keywords
drill bits
bit
roller
relating
drillings
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
GB9941/52A
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.)
Reed Roller Bit Co
Original Assignee
Reed Roller Bit Co
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 Reed Roller Bit Co filed Critical Reed Roller Bit Co
Publication of GB713998A publication Critical patent/GB713998A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/08—Roller bits
    • E21B10/18—Roller bits characterised by conduits or nozzles for drilling fluids

Abstract

713,998. Well-drill bits. REED ROLLER BIT CO. April 21, 1952 [Nov. 13, 1951], No. 9941/52. Class 85 In a drill bit of the roller type, drillings are prevented from accumulating in the space formed in the bit head above the roller or rollers 26, 27, 28 mounted thereon by providing one ,or more passageways 33, 34, 35 extending from said space to the exterior of the head so that some of the drilling fluid discharged on to the rollers from nozzles 30, 31, 32 can escape through the said passageway or passageways and carry the drillings away.
GB9941/52A 1951-11-13 1952-04-21 Improvements in or relating to drill bits Expired GB713998A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US713998XA 1951-11-13 1951-11-13

Publications (1)

Publication Number Publication Date
GB713998A true GB713998A (en) 1954-08-18

Family

ID=22101054

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9941/52A Expired GB713998A (en) 1951-11-13 1952-04-21 Improvements in or relating to drill bits

Country Status (1)

Country Link
GB (1) GB713998A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2294070A (en) * 1994-10-15 1996-04-17 Camco Drilling Group Ltd Rotary drill bit with enclosed fluid passage
US5671818A (en) * 1994-10-15 1997-09-30 Camco Drilling Group Limited Rotary drill bits
US5904213A (en) * 1995-10-10 1999-05-18 Camco International (Uk) Limited Rotary drill bits

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2294070A (en) * 1994-10-15 1996-04-17 Camco Drilling Group Ltd Rotary drill bit with enclosed fluid passage
US5671818A (en) * 1994-10-15 1997-09-30 Camco Drilling Group Limited Rotary drill bits
GB2294070B (en) * 1994-10-15 1998-04-22 Camco Drilling Group Ltd Improvements in or relating to rotary drill bits
US5819860A (en) * 1994-10-15 1998-10-13 Camco International Inc. Rotary drill bits
US5904213A (en) * 1995-10-10 1999-05-18 Camco International (Uk) Limited Rotary drill bits
US5967246A (en) * 1995-10-10 1999-10-19 Camco International (Uk) Limited Rotary drill bits
US5992547A (en) * 1995-10-10 1999-11-30 Camco International (Uk) Limited Rotary drill bits
US6092613A (en) * 1995-10-10 2000-07-25 Camco International (Uk) Limited Rotary drill bits

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