GB2446085B - Downhole apparatus - Google Patents

Downhole apparatus

Info

Publication number: GB2446085B
Authority: GB; United Kingdom
Prior art keywords: downhole apparatus; downhole
Prior art date: 2005-03-14
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

GB0808075A

Other versions

GB0808075D0 (en

GB2446085A (en

Inventor

Arthur Doacey Stewart

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.)

Stable Services Ltd

Original Assignee

Stable Services 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.)

2005-03-14

Filing date

2006-03-14

Publication date

2009-04-22

2005-03-14 Priority claimed from GB0505183A external-priority patent/GB0505183D0/en

2006-03-14 Application filed by Stable Services Ltd filed Critical Stable Services Ltd

2006-03-14 Priority to GB0808075A priority Critical patent/GB2446085B/en

2008-06-11 Publication of GB0808075D0 publication Critical patent/GB0808075D0/en

2008-07-30 Publication of GB2446085A publication Critical patent/GB2446085A/en

2009-04-22 Application granted granted Critical

2009-04-22 Publication of GB2446085B publication Critical patent/GB2446085B/en

Status Expired - Fee Related legal-status Critical Current

2026-03-14 Anticipated expiration legal-status Critical

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
- 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
- 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
- E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
- 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
- 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
- E21B17/1078—Stabilisers or centralisers for casing, tubing or drill pipes
- 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
- E21B17/14—Casing shoes for the protection of the bottom of the casing
- 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- 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
- E21B37/00—Methods or apparatus for cleaning boreholes or wells
- E21B37/02—Scrapers specially adapted therefor

Landscapes

Engineering & Computer Science (AREA)
Life Sciences & Earth Sciences (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)
Mechanical Engineering (AREA)
Earth Drilling (AREA)

GB0808075A 2005-03-14 2006-03-14 Downhole apparatus Expired - Fee Related GB2446085B (en)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
GB0808075A GB2446085B (en)	2005-03-14	2006-03-14	Downhole apparatus

Applications Claiming Priority (5)

Application Number	Priority Date	Filing Date	Title
US66155805P	2005-03-14	2005-03-14
GBGB0505163.6A GB0505163D0 (en)	2005-03-14	2005-03-14	Downhole apparatus
GB0505183A GB0505183D0 (en)	2005-03-14	2005-03-14	Furniture
GB0808075A GB2446085B (en)	2005-03-14	2006-03-14	Downhole apparatus
GB0605092A GB2424234B (en)	2005-03-14	2006-03-14	Downhole apparatus

Publications (3)

Publication Number	Publication Date
GB0808075D0 GB0808075D0 (en)	2008-06-11
GB2446085A GB2446085A (en)	2008-07-30
GB2446085B true GB2446085B (en)	2009-04-22

Family

ID=42173631

Family Applications (3)

Application Number	Title	Priority Date	Filing Date
GBGB0505163.6A Ceased GB0505163D0 (en)	2005-03-14	2005-03-14	Downhole apparatus
GB0605092A Expired - Fee Related GB2424234B (en)	2005-03-14	2006-03-14	Downhole apparatus
GB0808075A Expired - Fee Related GB2446085B (en)	2005-03-14	2006-03-14	Downhole apparatus

Family Applications Before (2)

Application Number	Title	Priority Date	Filing Date
GBGB0505163.6A Ceased GB0505163D0 (en)	2005-03-14	2005-03-14	Downhole apparatus
GB0605092A Expired - Fee Related GB2424234B (en)	2005-03-14	2006-03-14	Downhole apparatus

Country Status (2)

Country	Link
GB (3)	GB0505163D0 (en)
WO (1)	WO2006097706A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA2682630A1 (en) *	2009-10-14	2011-04-14	Norman Prokopchuk	Drill pipe with threaded extensions
HUE052867T2 (en) *	2015-09-14	2021-05-28	European Drilling Projects B V	Monolithic blade stabiliser tool for drill string
CN109236204B (en) *	2018-10-11	2020-11-24	合肥驰峰机械有限公司	Double-channel oil production pipe column

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB2361498A (en) *	1999-01-06	2001-10-24	Western Well Tool Inc	Drill pipe protector assembly
US6666267B1 (en) *	1997-11-15	2003-12-23	Brunel Oilfield Services (Uk) Limited	Downhole tools
EP1650400A1 (en) *	2004-10-20	2006-04-26	European Drilling Projects B.V.	Drill string stabiliser

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2247564A (en) *	1938-07-18	1941-07-01	Percy R Turner	Coupling protector
US4467879A (en) *	1982-03-29	1984-08-28	Richard D. Hawn, Jr.	Well bore tools
NO844544L (en) *	1984-09-13	1986-03-14	Metal X Corp Of Texas	DRILLING STRING STABILIZER.
EP0240490A1 (en) *	1985-10-08	1987-10-14	Shell Offshore Inc.	Turbulence cementing sub
US4984633A (en) *	1989-10-20	1991-01-15	Weatherford U.S., Inc.	Nozzle effect protectors, centralizers, and stabilizers and related methods
US6739415B2 (en) *	1999-01-06	2004-05-25	Western Well Tool, Inc.	Drill pipe protector
GB9929000D0 (en) *	1999-12-09	2000-02-02	Bbl Downhole Tools Ltd	Reamer shoe

2005
- 2005-03-14 GB GBGB0505163.6A patent/GB0505163D0/en not_active Ceased
2006
- 2006-03-14 GB GB0605092A patent/GB2424234B/en not_active Expired - Fee Related
- 2006-03-14 WO PCT/GB2006/000899 patent/WO2006097706A1/en not_active Application Discontinuation
- 2006-03-14 GB GB0808075A patent/GB2446085B/en not_active Expired - Fee Related

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US6666267B1 (en) *	1997-11-15	2003-12-23	Brunel Oilfield Services (Uk) Limited	Downhole tools
GB2361498A (en) *	1999-01-06	2001-10-24	Western Well Tool Inc	Drill pipe protector assembly
EP1650400A1 (en) *	2004-10-20	2006-04-26	European Drilling Projects B.V.	Drill string stabiliser

Also Published As

Publication number	Publication date
GB0808075D0 (en)	2008-06-11
GB2424234A (en)	2006-09-20
GB0505163D0 (en)	2005-04-20
GB2424234B (en)	2008-10-15
GB2446085A (en)	2008-07-30
WO2006097706A1 (en)	2006-09-21
GB0605092D0 (en)	2006-04-26

Publication	Publication Date	Title
EP1888872A4 (en)	2011-06-22	Pipe-handling apparatus
TWI365630B (en)	2012-06-01	Intermediate apparatus
ZA200802399B (en)	2009-02-25	Apparatus
GB2428762B (en)	2007-11-28	Nutmount Apparatus
GB2431424B (en)	2010-09-22	Overdrilling apparatus
GB0417732D0 (en)	2004-09-08	Downhole apparatus
EP1935326A4 (en)	2010-01-27	Biodiagnostic apparatus
GB0509800D0 (en)	2005-06-22	Apparatus
GB0500480D0 (en)	2005-02-16	Apparatus
GB0519753D0 (en)	2005-11-09	Apparatus
GB2426369B (en)	2009-09-23	Coin-dispensing apparatus
GB0514660D0 (en)	2005-08-24	Apparatus
GB0505173D0 (en)	2005-04-20	Apparatus
GB2430020B (en)	2007-08-22	Wellbore traction apparatus
GB0515068D0 (en)	2005-08-31	Downhole trigger apparatus
GB0507408D0 (en)	2005-05-18	Apparatus
GB2424234B (en)	2008-10-15	Downhole apparatus
GB0501246D0 (en)	2005-03-02	Assembly apparatus
GB0507984D0 (en)	2005-05-25	Headware apparatus
TWM291811U (en)	2006-06-11	Bacteria-killer apparatus
GB0518950D0 (en)	2005-10-26	Apparatus
GB0522332D0 (en)	2005-12-07	Apparatus
GB0503902D0 (en)	2005-04-06	Apparatus
GB0503606D0 (en)	2005-03-30	Apparatus
GB0521646D0 (en)	2005-11-30	Apparatus

Legal Events

Date	Code	Title	Description
2010-03-17	732E	Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)	Free format text: REGISTERED BETWEEN 20100218 AND 20100224
2011-11-23	PCNP	Patent ceased through non-payment of renewal fee	Effective date: 20110314