EP0225082A3 - Trépan de forage rotatif - Google Patents

Trépan de forage rotatif

Info

Publication number
EP0225082A3
EP0225082A3 EP86308791A EP86308791A EP0225082A3 EP 0225082 A3 EP0225082 A3 EP 0225082A3 EP 86308791 A EP86308791 A EP 86308791A EP 86308791 A EP86308791 A EP 86308791A EP 0225082 A3 EP0225082 A3 EP 0225082A3
Authority
EP
European Patent Office
Prior art keywords
bit
nozzles
nozzle
bit body
drilling fluid
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.)
Withdrawn
Application number
EP86308791A
Other languages
German (de)
English (en)
Other versions
EP0225082A2 (fr
Inventor
John Fuller
Peter John Comber
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.)
NL Petroleum Products Ltd
Original Assignee
NL Petroleum Products Ltd
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 NL Petroleum Products Ltd filed Critical NL Petroleum Products Ltd
Publication of EP0225082A2 publication Critical patent/EP0225082A2/fr
Publication of EP0225082A3 publication Critical patent/EP0225082A3/fr
Withdrawn legal-status Critical Current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
    • E21B10/60—Drill bits characterised by conduits or nozzles for drilling fluids
    • E21B10/61—Drill bits characterised by conduits or nozzles for drilling fluids characterised by the nozzle structure
    • 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)
EP86308791A 1985-11-16 1986-11-12 Trépan de forage rotatif Withdrawn EP0225082A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB858528299A GB8528299D0 (en) 1985-11-16 1985-11-16 Rotary drill bits
GB8528299 1985-11-16

Publications (2)

Publication Number Publication Date
EP0225082A2 EP0225082A2 (fr) 1987-06-10
EP0225082A3 true EP0225082A3 (fr) 1988-07-27

Family

ID=10588345

Family Applications (1)

Application Number Title Priority Date Filing Date
EP86308791A Withdrawn EP0225082A3 (fr) 1985-11-16 1986-11-12 Trépan de forage rotatif

Country Status (2)

Country Link
EP (1) EP0225082A3 (fr)
GB (2) GB8528299D0 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4981184A (en) * 1988-11-21 1991-01-01 Smith International, Inc. Diamond drag bit for soft formations
US5314033A (en) * 1992-02-18 1994-05-24 Baker Hughes Incorporated Drill bit having combined positive and negative or neutral rake cutters
US5363932A (en) * 1993-05-10 1994-11-15 Smith International, Inc. PDC drag bit with improved hydraulics
US5794725A (en) * 1996-04-12 1998-08-18 Baker Hughes Incorporated Drill bits with enhanced hydraulic flow characteristics
FR2756002B1 (fr) * 1996-11-20 1999-04-02 Total Sa Outil de forage a lames avec taillants de reserve et canaux d'evacuation des deblais generes par les taillants
US6302223B1 (en) 1999-10-06 2001-10-16 Baker Hughes Incorporated Rotary drag bit with enhanced hydraulic and stabilization characteristics
AU2011318230A1 (en) * 2010-10-19 2013-05-23 Drilling Tools Australia Pty Ltd A drill bit
CN112696155A (zh) * 2019-10-22 2021-04-23 西南石油大学 一种具有后排齿水孔的pdc钻头
CN113404439A (zh) * 2021-06-11 2021-09-17 东北石油大学 一种粒子冲击钻头
CN117046890B (zh) * 2023-09-11 2024-02-13 滨州市生态环境服务中心 一种用于磷污染土壤原位修复的方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112803A (en) * 1962-01-02 1963-12-03 Jersey Prod Res Co Diamond drill bit
EP0043609A1 (fr) * 1980-07-04 1982-01-13 Shell Internationale Researchmaatschappij B.V. Trépan de forage rotatif avec buses à jets
US4499958A (en) * 1983-04-29 1985-02-19 Strata Bit Corporation Drag blade bit with diamond cutting elements
EP0140676A2 (fr) * 1983-10-29 1985-05-08 Reed Tool Company Limited Trépans de forage
EP0146252A2 (fr) * 1983-11-08 1985-06-26 Flow Industries Inc. Montage d'une buse de coupe à jet de fluide, à haute pression et grande vitesse, sans fuite

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4098363A (en) * 1977-04-25 1978-07-04 Christensen, Inc. Diamond drilling bit for soft and medium hard formations
FR2566833B1 (fr) * 1984-06-27 1986-11-14 Inst Francais Du Petrole Methode et perfectionnement aux outils de forage comportant des passages d'eau permettant une grande efficacite du nettoyage du front de taille
GB8418481D0 (en) * 1984-07-19 1984-08-22 Nl Petroleum Prod Rotary drill bits

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3112803A (en) * 1962-01-02 1963-12-03 Jersey Prod Res Co Diamond drill bit
EP0043609A1 (fr) * 1980-07-04 1982-01-13 Shell Internationale Researchmaatschappij B.V. Trépan de forage rotatif avec buses à jets
US4499958A (en) * 1983-04-29 1985-02-19 Strata Bit Corporation Drag blade bit with diamond cutting elements
EP0140676A2 (fr) * 1983-10-29 1985-05-08 Reed Tool Company Limited Trépans de forage
EP0146252A2 (fr) * 1983-11-08 1985-06-26 Flow Industries Inc. Montage d'une buse de coupe à jet de fluide, à haute pression et grande vitesse, sans fuite

Also Published As

Publication number Publication date
EP0225082A2 (fr) 1987-06-10
GB2183693A (en) 1987-06-10
GB8627050D0 (en) 1986-12-10
GB8528299D0 (en) 1985-12-18

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Legal Events

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18D Application deemed to be withdrawn

Effective date: 19890128

RIN1 Information on inventor provided before grant (corrected)

Inventor name: FULLER, JOHN

Inventor name: COMBER, PETER JOHN