GB2334734B - Borehole sidetracking apparatus - Google Patents

Borehole sidetracking apparatus

Info

Publication number: GB2334734B
Authority: GB; United Kingdom
Prior art keywords: borehole; sidetracking apparatus; sidetracking; borehole sidetracking
Prior art date: 1996-01-31
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 - Fee Related

Application number

GB9913851A

Other versions

GB9913851D0 (en

GB2334734A (en

Inventor

Joseph V Hebert

John E Campbell

Thomas F Bailey

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.)

Smith International Inc

Original Assignee

Smith International Inc

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.)

1996-01-31

Filing date

1997-01-31

Publication date

2000-03-08

1996-01-31 Priority claimed from US08/594,492 external-priority patent/US5829531A/en

1997-01-31 Application filed by Smith International Inc filed Critical Smith International Inc

1999-08-11 Publication of GB9913851D0 publication Critical patent/GB9913851D0/en

1999-09-01 Publication of GB2334734A publication Critical patent/GB2334734A/en

2000-03-08 Application granted granted Critical

2000-03-08 Publication of GB2334734B publication Critical patent/GB2334734B/en

2017-01-31 Anticipated expiration legal-status Critical

Status Expired - Fee Related 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
- E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
- E21B23/01—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells for anchoring the tools or the like
- 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
- E21B7/00—Special methods or apparatus for drilling
- E21B7/04—Directional drilling
- E21B7/06—Deflecting the direction of boreholes
- E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Geology (AREA)
Mining & Mineral Resources (AREA)
Physics & Mathematics (AREA)
Environmental & Geological Engineering (AREA)
Fluid Mechanics (AREA)
General Life Sciences & Earth Sciences (AREA)
Geochemistry & Mineralogy (AREA)
Earth Drilling (AREA)

GB9913851A 1996-01-31 1997-01-31 Borehole sidetracking apparatus Expired - Fee Related GB2334734B (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US08/594,492 US5829531A (en)	1996-01-31	1996-01-31	Mechanical set anchor with slips pocket
GB9702094A GB2309721B (en)	1996-01-31	1997-01-31	Mechanical set anchor

Publications (3)

Publication Number	Publication Date
GB9913851D0 GB9913851D0 (en)	1999-08-11
GB2334734A GB2334734A (en)	1999-09-01
GB2334734B true GB2334734B (en)	2000-03-08

Family

ID=26310913

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB9913851A Expired - Fee Related GB2334734B (en)	1996-01-31	1997-01-31	Borehole sidetracking apparatus

Country Status (1)

Country	Link
GB (1)	GB2334734B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5909770A (en) *	1996-11-18	1999-06-08	Baker Hughes Incorporated	Retrievable whipstock
GB2340519B (en) *	1998-08-03	2002-06-12	Smith International	Deflector tool
NO20000281L (en) *	1999-01-21	2000-07-24	Baker Hughes Inc	Single trip window milling device and method with measurement during drilling
GB2360538B (en) *	1999-01-21	2002-02-27	Baker Hughes Inc	One-trip window milling apparatus and method with measurement-while-drilling
US6401821B1 (en) *	1999-12-23	2002-06-11	Re-Entry Technologies, Inc.	Method and apparatus involving an integrated or otherwise combined exit guide and section mill for sidetracking or directional drilling from existing wellbores
US6715567B2 (en) *	2001-05-02	2004-04-06	Weatherford/Lamb, Inc.	Apparatus and method for forming a pilot hole in a formation
US7124827B2 (en) *	2004-08-17	2006-10-24	Tiw Corporation	Expandable whipstock anchor assembly
CN114412402B (en) *	2022-01-11	2025-02-07	锦州清华机械有限公司	Recoverable integrated self-sealing well window sidetracking tool

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2227038A (en) *	1989-01-11	1990-07-18	Drilex Syst Inc	Whipstock starter mill with pressure drop tattletale
US5431220A (en) *	1994-03-24	1995-07-11	Smith International, Inc.	Whipstock starter mill assembly
GB2291448A (en) *	1994-07-22	1996-01-24	Smith International	Apparatus and method for orienting and setting a hydraulically actuated tool in a borehole

1997
- 1997-01-31 GB GB9913851A patent/GB2334734B/en not_active Expired - Fee Related

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2227038A (en) *	1989-01-11	1990-07-18	Drilex Syst Inc	Whipstock starter mill with pressure drop tattletale
US5431220A (en) *	1994-03-24	1995-07-11	Smith International, Inc.	Whipstock starter mill assembly
GB2291448A (en) *	1994-07-22	1996-01-24	Smith International	Apparatus and method for orienting and setting a hydraulically actuated tool in a borehole

Also Published As

Publication number	Publication date
GB9913851D0 (en)	1999-08-11
GB2334734A (en)	1999-09-01

Publication	Publication Date	Title
GB2331115B (en)	2001-01-10	Downhole apparatus
GB2309723B (en)	2000-01-19	Improved downhole apparatus
GB9603677D0 (en)	1996-04-17	Downhole apparatus
GB2348910B (en)	2001-10-10	Downhole apparatus
GB2303722B (en)	1997-10-01	Wellbore apparatus
AU2904697A (en)	1997-12-09	Downhole apparatus
GB9612524D0 (en)	1996-08-14	Drilling apparatus
GB2296208B (en)	1999-03-10	Drill apparatus
GB9524109D0 (en)	1996-01-24	Downhole apparatus
GB2304132B (en)	2000-02-23	Downhole apparatus
GB2320095B (en)	1999-03-10	Borehole apparatus
GB2315082B (en)	2000-12-06	Downhole apparatus
GB2334734B (en)	2000-03-08	Borehole sidetracking apparatus
ZA954312B (en)	1996-01-24	Drilling apparatus
GB9704213D0 (en)	1997-04-16	Drilling apparatus
GB9500398D0 (en)	1995-03-01	Drilling apparatus
GB9817269D0 (en)	1998-10-07	Downhole apparatus
GB2288020B (en)	1998-05-13	Drilling apparatus
GB9516114D0 (en)	1995-10-04	Improved downhole apparatus
GB9610382D0 (en)	1996-07-24	Drilling apparatus
GB2304758B (en)	1998-12-16	Drilling apparatus
GB9625096D0 (en)	1997-01-22	Downhole apparatus
GB9602211D0 (en)	1996-04-03	Improved downhole apparatus
GB9614101D0 (en)	1996-09-04	Improved downhole apparatus
EP0791661A3 (en)	1997-12-10	Tophole drill apparatus

Legal Events

Date	Code	Title	Description
2014-09-24	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20140131