GB1316790A - Drilling tools - Google Patents

Drilling tools

Info

Publication number
GB1316790A
GB1316790A GB3145070A GB3145070A GB1316790A GB 1316790 A GB1316790 A GB 1316790A GB 3145070 A GB3145070 A GB 3145070A GB 3145070 A GB3145070 A GB 3145070A GB 1316790 A GB1316790 A GB 1316790A
Authority
GB
United Kingdom
Prior art keywords
protuberance
steps
protuberances extending
drilling tools
sept
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
GB3145070A
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.)
Total Compagnie Francaise des Petroles SA
Original Assignee
Compagnie Francaise des Petroles SA
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 Compagnie Francaise des Petroles SA filed Critical Compagnie Francaise des Petroles SA
Publication of GB1316790A publication Critical patent/GB1316790A/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

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)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
  • Polishing Bodies And Polishing Tools (AREA)

Abstract

1316790 Boring earth COMPAGNIE FRANCAISE DES PETROLES SA 29 June 1970 [29 Sept 1969] 31450/70 Heading E1F A drill bit has a bottom formed by a surface of revolution interrupted by grooves and recesses 9-24 with diamond set protuberances extending from the surface, each protuberance having an edge 32 facing the intended direction of rotation 34. Each protuberance may be formed by a prismatic block or a truncated cone. The bottom surface comprises a plurality of steps with the protuberances extending from the edges 25 of the steps.
GB3145070A 1969-09-29 1970-06-29 Drilling tools Expired GB1316790A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6933081A FR2058822A5 (en) 1969-09-29 1969-09-29

Publications (1)

Publication Number Publication Date
GB1316790A true GB1316790A (en) 1973-05-16

Family

ID=9040725

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3145070A Expired GB1316790A (en) 1969-09-29 1970-06-29 Drilling tools

Country Status (5)

Country Link
US (1) US3693735A (en)
CA (1) CA924293A (en)
CH (1) CH540423A (en)
FR (1) FR2058822A5 (en)
GB (1) GB1316790A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2752162A1 (en) * 1976-11-26 1978-06-01 Christensen Inc DEEP DRILLING CHISEL

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3805901A (en) * 1972-08-10 1974-04-23 Ingersoll Rand Co Earth cutter assembly
US3938599A (en) * 1974-03-27 1976-02-17 Hycalog, Inc. Rotary drill bit
US4244432A (en) * 1978-06-08 1981-01-13 Christensen, Inc. Earth-boring drill bits
US4253533A (en) * 1979-11-05 1981-03-03 Smith International, Inc. Variable wear pad for crossflow drag bit
US4429755A (en) 1981-02-25 1984-02-07 Williamson Kirk E Drill with polycrystalline diamond drill blanks for soft, medium-hard and hard formations
US4440247A (en) * 1982-04-29 1984-04-03 Sartor Raymond W Rotary earth drilling bit
US4602691A (en) * 1984-06-07 1986-07-29 Hughes Tool Company Diamond drill bit with varied cutting elements
US5794725A (en) * 1996-04-12 1998-08-18 Baker Hughes Incorporated Drill bits with enhanced hydraulic flow characteristics
US6648068B2 (en) * 1996-05-03 2003-11-18 Smith International, Inc. One-trip milling system
US20210363831A1 (en) * 2020-05-07 2021-11-25 Kenneth Layton STARR System and Method for A Drill Bit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2371490A (en) * 1944-04-10 1945-03-13 Jr Edward B Williams Step-cut drill bit
US2817885A (en) * 1953-11-10 1957-12-31 Albert E Long Means for orienting diamonds in hard vector directions in diamond bits and tools
US2966949A (en) * 1958-07-16 1961-01-03 Jersey Prod Res Co Full hole permanent drill bit
US3027952A (en) * 1958-07-30 1962-04-03 Socony Mobil Oil Co Inc Drill bit
FR1261950A (en) * 1960-04-12 1961-05-26 Christensen Diamond Prod Co Improvements to drilling tools
US3135341A (en) * 1960-10-04 1964-06-02 Christensen Diamond Prod Co Diamond drill bits
FR1508961A (en) * 1966-03-31 1968-01-12 Aquitaine Petrole Further training in very hard rock drilling tools

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2752162A1 (en) * 1976-11-26 1978-06-01 Christensen Inc DEEP DRILLING CHISEL

Also Published As

Publication number Publication date
US3693735A (en) 1972-09-26
FR2058822A5 (en) 1971-05-28
CH540423A (en) 1973-08-15
CA924293A (en) 1973-04-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years