OA11327A - Drill bit. - Google Patents

Drill bit. Download PDF

Info

Publication number: OA11327A
Authority: OA; OAPI
Prior art keywords: cutting; roller; drill bit; dise; borehole
Prior art date: 1997-08-28

Application number

OA1200000056A

Other languages

English (en)

Inventor

Djurre Hans Zijsling

Original Assignee

Shell Int Research

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.)

1997-08-28

Filing date

2000-02-28

Publication date

2003-12-09

2000-02-28 Application filed by Shell Int Research filed Critical Shell Int Research

2003-12-09 Publication of OA11327A publication Critical patent/OA11327A/en

Links

239000011435 rock Substances 0.000 claims abstract description 34
239000000463 material Substances 0.000 claims abstract description 25
238000010008 shearing Methods 0.000 claims abstract description 18
238000005553 drilling Methods 0.000 claims abstract description 13
230000015572 biosynthetic process Effects 0.000 claims abstract description 4
230000006641 stabilisation Effects 0.000 description 4
BRJXJOWXAFLRTE-OAQYLSRUSA-N bi-6901 Chemical compound CC1CCN(CC1)C(=O)[C@@H](CCN1C=CC=C1C#N)NS(=O)(=O)C1=C2C=CNC2=CC=C1 BRJXJOWXAFLRTE-OAQYLSRUSA-N 0.000 description 2
238000006073 displacement reaction Methods 0.000 description 2
241001209177 Akis Species 0.000 description 1
241000271935 Bitis Species 0.000 description 1
229910003460 diamond Inorganic materials 0.000 description 1
239000010432 diamond Substances 0.000 description 1
230000000149 penetrating effect Effects 0.000 description 1
238000007790 scraping Methods 0.000 description 1
UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 description 1

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
- E21B10/16—Roller bits characterised by tooth form or arrangement
- 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
- E21B10/12—Roller bits with discs cutters

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)
Holo Graphy (AREA)
Surgical Instruments (AREA)
Drilling Tools (AREA)

OA1200000056A 1997-08-28 2000-02-28 Drill bit. OA11327A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP97306602		1997-08-28

Publications (1)

Publication Number	Publication Date
OA11327A true OA11327A (en)	2003-12-09

Family

ID=8229483

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
OA1200000056A OA11327A (en)	1997-08-28	2000-02-28	Drill bit.

Country Status (12)

Country	Link
CN (1)	CN1098400C (id)
AR (1)	AR016883A1 (id)
AU (1)	AU727657B2 (id)
BR (1)	BR9811389A (id)
CA (1)	CA2300158A1 (id)
EG (1)	EG21701A (id)
GB (1)	GB2344842B (id)
ID (1)	ID24483A (id)
NO (1)	NO318151B1 (id)
OA (1)	OA11327A (id)
RU (1)	RU2206701C2 (id)
WO (1)	WO1999011900A1 (id)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GC0000369A (en) *	2000-09-08	2007-03-31	Shell Int Research	Drill bit
RU2334862C1 (ru) *	2007-01-19	2008-09-27	Николай Митрофанович Панин	Буровое шарошечное долото (варианты)
CN102747960A (zh) *	2012-07-11	2012-10-24	江汉石油钻头股份有限公司	一种混合钻头
CN112557092B (zh) *	2020-12-29	2022-08-09	中国原子能科学研究院	取样装置

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US511894A (en) *		1894-01-02		Display-case
BE639074A (id) *	1962-10-23
US3265139A (en) *	1963-12-09	1966-08-09	Continental Oil Co	Roller cone drill bit
JPS59122690A (ja) *	1982-12-28	1984-07-16	住友金属鉱山株式会社	地中穿孔ドリルビツト
RU2009306C1 (ru) *	1987-09-16	1994-03-15	Станислав Васильевич Синев	Шарошечное долото
US5111894A (en) *	1990-08-23	1992-05-12	Sybil J. Williams	Uninterrupted drill bit
RU2023855C1 (ru) *	1991-03-29	1994-11-30	Всероссийский научно-исследовательский институт буровой техники	Долото для реактивно-турбинного бурения
US5311958A (en) *	1992-09-23	1994-05-17	Baker Hughes Incorporated	Earth-boring bit with an advantageous cutting structure
US5394952A (en) *	1993-08-24	1995-03-07	Smith International, Inc.	Core cutting rock bit

1998
- 1998-08-26 AR ARP980104232 patent/AR016883A1/es active IP Right Grant
- 1998-08-27 EG EG102898A patent/EG21701A/xx active
- 1998-08-28 GB GB0003248A patent/GB2344842B/en not_active Expired - Fee Related
- 1998-08-28 RU RU2000107855A patent/RU2206701C2/ru not_active IP Right Cessation
- 1998-08-28 CA CA002300158A patent/CA2300158A1/en not_active Abandoned
- 1998-08-28 CN CN98808608A patent/CN1098400C/zh not_active Expired - Fee Related
- 1998-08-28 WO PCT/EP1998/005703 patent/WO1999011900A1/en not_active Ceased
- 1998-08-28 ID IDW20000365A patent/ID24483A/id unknown
- 1998-08-28 AU AU95378/98A patent/AU727657B2/en not_active Ceased
- 1998-08-28 BR BR9811389-5A patent/BR9811389A/pt not_active Application Discontinuation
2000
- 2000-02-25 NO NO20000938A patent/NO318151B1/no not_active IP Right Cessation
- 2000-02-28 OA OA1200000056A patent/OA11327A/en unknown

Also Published As

Publication number	Publication date
NO20000938D0 (no)	2000-02-25
ID24483A (id)	2000-07-20
WO1999011900A1 (en)	1999-03-11
RU2206701C2 (ru)	2003-06-20
AR016883A1 (es)	2001-08-01
EG21701A (en)	2002-02-27
BR9811389A (pt)	2000-08-29
CN1268991A (zh)	2000-10-04
NO20000938L (no)	2000-02-25
GB2344842A (en)	2000-06-21
CN1098400C (zh)	2003-01-08
AU727657B2 (en)	2000-12-21
GB2344842B (en)	2001-11-28
AU9537898A (en)	1999-03-22
CA2300158A1 (en)	1999-03-11
NO318151B1 (no)	2005-02-07
GB0003248D0 (en)	2000-04-05

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