EP0058061A3 - Outil de forage pour formation souterraine - Google Patents

Outil de forage pour formation souterraine Download PDF

Info

Publication number: EP0058061A3
Authority: EP; European Patent Office
Prior art keywords: tools; underground formations; tool; face; elements
Prior art date: 1981-02-07
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

EP82300578A

Other languages

German (de)

English (en)

Other versions

EP0058061A2 (fr

Inventor

John Michael Fuller

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.)

Drilling and Service UK Ltd

Original Assignee

Drilling and Service UK 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.)

1981-02-07

Filing date

1982-02-05

Publication date

1982-09-01

1982-02-05 Application filed by Drilling and Service UK Ltd filed Critical Drilling and Service UK Ltd

1982-08-18 Publication of EP0058061A2 publication Critical patent/EP0058061A2/fr

1982-09-01 Publication of EP0058061A3 publication Critical patent/EP0058061A3/fr

Status Withdrawn legal-status Critical Current

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
- E21B10/42—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits
- E21B10/43—Rotary drag type drill bits with teeth, blades or like cutting elements, e.g. fork-type bits, fish tail bits characterised by the arrangement of teeth or other cutting elements
- 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
- E21B10/26—Drill bits with leading portion, i.e. drill bits with a pilot cutter; Drill bits for enlarging the borehole, e.g. reamers
- E21B10/265—Bi-center drill bits, i.e. an integral bit and eccentric reamer used to simultaneously drill and underream the hole
- 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
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1092—Gauge section of drill bits

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)

EP82300578A 1981-02-07 1982-02-05 Outil de forage pour formation souterraine Withdrawn EP0058061A3 (fr)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
GB8103820		1981-02-07
GB8103820		1981-02-07
GB8104537		1981-02-13
GB8104537		1981-02-13

Publications (2)

Publication Number	Publication Date
EP0058061A2 EP0058061A2 (fr)	1982-08-18
EP0058061A3 true EP0058061A3 (fr)	1982-09-01

Family

ID=26278364

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP82300578A Withdrawn EP0058061A3 (fr)	1981-02-07	1982-02-05	Outil de forage pour formation souterraine

Country Status (2)

Country	Link
EP (1)	EP0058061A3 (fr)
NO (1)	NO820347L (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3414206C1 (de) *	1984-04-14	1985-02-21	Norton Christensen, Inc., Salt Lake City, Utah	Drehbohrmeissel fuer Tiefbohrungen
US4717290A (en) *	1986-12-17	1988-01-05	Homco International, Inc.	Milling tool
FR2678678A1 (fr) *	1991-07-04	1993-01-08	Smf Int	Dispositif de reglage de l'azimut de la trajectoire d'un outil de forage en mode rotary.
GB9422022D0 (en) *	1994-10-31	1994-12-21	Red Baron Oil Tools Rental	Two stage underreamer
US5992548A (en) *	1995-08-15	1999-11-30	Diamond Products International, Inc.	Bi-center bit with oppositely disposed cutting surfaces
US5904213A (en) *	1995-10-10	1999-05-18	Camco International (Uk) Limited	Rotary drill bits
US5765653A (en) *	1996-10-09	1998-06-16	Baker Hughes Incorporated	Reaming apparatus and method with enhanced stability and transition from pilot hole to enlarged bore diameter
EP1039095B1 (fr) *	1999-03-19	2005-05-18	Diamond Products International, Inc.	Trépan de forage
US6269893B1 (en)	1999-06-30	2001-08-07	Smith International, Inc.	Bi-centered drill bit having improved drilling stability mud hydraulics and resistance to cutter damage
US6386302B1 (en)	1999-09-09	2002-05-14	Smith International, Inc.	Polycrystaline diamond compact insert reaming tool
US6394200B1 (en)	1999-10-28	2002-05-28	Camco International (U.K.) Limited	Drillout bi-center bit
US6622803B2 (en)	2000-03-22	2003-09-23	Rotary Drilling Technology, Llc	Stabilizer for use in a drill string
US6926099B2 (en)	2003-03-26	2005-08-09	Varel International, L.P.	Drill out bi-center bit and method for using same
GB0820063D0 (en)	2008-11-03	2008-12-10	Reedhycalog Uk Ltd	Drilling tool
CN106285512B (zh) *	2016-10-10	2018-10-30	贵州高峰石油机械股份有限公司	一种偏心扶正器及其使用方法
CN114151017A (zh) *	2021-11-23	2022-03-08	中海石油(中国)有限公司	仿生偏心聚晶金刚石复合片

Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE115257C (fr) *
BE513754A (fr) *
US2074951A (en) *	1935-12-14	1937-03-23	John A Zublin	Bit for drilling a hole larger than the bit
FR1307849A (fr) *	1961-12-12	1962-10-26	Atlantic Refining Co	Procédé et appareil pour forer des trous de sonde
US3237705A (en) *	1963-11-13	1966-03-01	Williams Joseph W	Reamer for enlarging and straightening bore holes
US3851719A (en) *	1973-03-22	1974-12-03	American Coldset Corp	Stabilized under-drilling apparatus
US3871488A (en) *	1974-02-13	1975-03-18	Daniel R Sabre	Rock drilling
US4098363A (en) *	1977-04-25	1978-07-04	Christensen, Inc.	Diamond drilling bit for soft and medium hard formations

1982
- 1982-02-05 NO NO820347A patent/NO820347L/no unknown
- 1982-02-05 EP EP82300578A patent/EP0058061A3/fr not_active Withdrawn

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE115257C (fr) *
BE513754A (fr) *
US2074951A (en) *	1935-12-14	1937-03-23	John A Zublin	Bit for drilling a hole larger than the bit
FR1307849A (fr) *	1961-12-12	1962-10-26	Atlantic Refining Co	Procédé et appareil pour forer des trous de sonde
US3237705A (en) *	1963-11-13	1966-03-01	Williams Joseph W	Reamer for enlarging and straightening bore holes
US3851719A (en) *	1973-03-22	1974-12-03	American Coldset Corp	Stabilized under-drilling apparatus
US3871488A (en) *	1974-02-13	1975-03-18	Daniel R Sabre	Rock drilling
US4098363A (en) *	1977-04-25	1978-07-04	Christensen, Inc.	Diamond drilling bit for soft and medium hard formations

Also Published As

Publication number	Publication date
EP0058061A2 (fr)	1982-08-18
NO820347L (no)	1982-08-09

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Legal Events

Date	Code	Title	Description
1982-06-18	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1982-06-28	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1982-08-18	AK	Designated contracting states	Designated state(s): BE CH DE FR GB LI NL
1982-09-01	AK	Designated contracting states	Designated state(s): BE CH DE FR GB LI NL
1983-04-27	17P	Request for examination filed	Effective date: 19830214
1983-11-02	RAP1	Party data changed (applicant data changed or rights of an application transferred)	Owner name: DRILLING & SERVICE U.K. LIMITED
1984-12-05	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1985-02-06	18D	Application deemed to be withdrawn	Effective date: 19840727
2007-08-08	RIN1	Information on inventor provided before grant (corrected)	Inventor name: FULLER, JOHN MICHAEL