GB8627439D0 - Rotary drill bits - Google Patents

Rotary drill bits

Info

Publication number: GB8627439D0
Authority: GB; United Kingdom
Prior art keywords: drill bits; rotary drill; rotary; bits; drill
Prior art date: 1985-11-23
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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

GB868627439A

Other versions

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.)

1985-11-23

Filing date

1986-11-17

Publication date

1986-12-17

1986-11-17 Application filed by NL Petroleum Products Ltd filed Critical NL Petroleum Products Ltd

1986-12-17 Publication of GB8627439D0 publication Critical patent/GB8627439D0/en

1987-06-10 Publication of GB2183694A publication Critical patent/GB2183694A/en

Status Withdrawn legal-status Critical Current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
- E21B10/62—Drill bits characterised by parts, e.g. cutting elements, which are detachable or adjustable
- 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
- E21B10/14—Roller bits combined with non-rolling cutters other than of leading-portion type

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)

GB08627439A 1985-11-23 1986-11-17 Improvements in or relating to rotary drill bits Withdrawn GB2183694A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB858528894A GB8528894D0 (en)	1985-11-23	1985-11-23	Rotary drill bits

Publications (2)

Publication Number	Publication Date
GB8627439D0 true GB8627439D0 (en)	1986-12-17
GB2183694A GB2183694A (en)	1987-06-10

Family

ID=10588676

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
GB858528894A Pending GB8528894D0 (en)	1985-11-23	1985-11-23	Rotary drill bits
GB08627439A Withdrawn GB2183694A (en)	1985-11-23	1986-11-17	Improvements in or relating to rotary drill bits

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
GB858528894A Pending GB8528894D0 (en)	1985-11-23	1985-11-23	Rotary drill bits

Country Status (3)

Country	Link
EP (1)	EP0225101A3 (en)
AU (1)	AU6538886A (en)
GB (2)	GB8528894D0 (en)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9708428D0 (en) *	1997-04-26	1997-06-18	Camco Int Uk Ltd	Improvements in or relating to rotary drill bits
US6338390B1 (en) *	1999-01-12	2002-01-15	Baker Hughes Incorporated	Method and apparatus for drilling a subterranean formation employing drill bit oscillation
WO2001034935A1 (en)	1999-11-10	2001-05-17	Schlumberger Holdings Limited	Control method for use with a steerable drilling system
US8082134B2 (en) *	2000-03-13	2011-12-20	Smith International, Inc.	Techniques for modeling/simulating, designing optimizing, and displaying hybrid drill bits
US7841426B2 (en) *	2007-04-05	2010-11-30	Baker Hughes Incorporated	Hybrid drill bit with fixed cutters as the sole cutting elements in the axial center of the drill bit
US20100025119A1 (en)	2007-04-05	2010-02-04	Baker Hughes Incorporated	Hybrid drill bit and method of using tsp or mosaic cutters on a hybrid bit
US7845435B2 (en) *	2007-04-05	2010-12-07	Baker Hughes Incorporated	Hybrid drill bit and method of drilling
WO2009064969A1 (en)	2007-11-16	2009-05-22	Baker Hughes Incorporated	Hybrid drill bit and design method
US8678111B2 (en)	2007-11-16	2014-03-25	Baker Hughes Incorporated	Hybrid drill bit and design method
US20090272582A1 (en)	2008-05-02	2009-11-05	Baker Hughes Incorporated	Modular hybrid drill bit
US7819208B2 (en)	2008-07-25	2010-10-26	Baker Hughes Incorporated	Dynamically stable hybrid drill bit
US9439277B2 (en)	2008-10-23	2016-09-06	Baker Hughes Incorporated	Robotically applied hardfacing with pre-heat
US8450637B2 (en)	2008-10-23	2013-05-28	Baker Hughes Incorporated	Apparatus for automated application of hardfacing material to drill bits
WO2010053710A2 (en)	2008-10-29	2010-05-14	Baker Hughes Incorporated	Method and apparatus for robotic welding of drill bits
US8047307B2 (en)	2008-12-19	2011-11-01	Baker Hughes Incorporated	Hybrid drill bit with secondary backup cutters positioned with high side rake angles
BRPI0923809A2 (en)	2008-12-31	2015-07-14	Baker Hughes Inc	Method and apparatus for automated application of hard coating material to hybrid type earth drill bit rolling cutters, hybrid drills comprising such hard coated steel tooth cutting elements, and methods of use thereof
US8141664B2 (en)	2009-03-03	2012-03-27	Baker Hughes Incorporated	Hybrid drill bit with high bearing pin angles
US8056651B2 (en)	2009-04-28	2011-11-15	Baker Hughes Incorporated	Adaptive control concept for hybrid PDC/roller cone bits
US8459378B2 (en)	2009-05-13	2013-06-11	Baker Hughes Incorporated	Hybrid drill bit
US8157026B2 (en)	2009-06-18	2012-04-17	Baker Hughes Incorporated	Hybrid bit with variable exposure
WO2011035051A2 (en)	2009-09-16	2011-03-24	Baker Hughes Incorporated	External, divorced pdc bearing assemblies for hybrid drill bits
US20110079442A1 (en)	2009-10-06	2011-04-07	Baker Hughes Incorporated	Hole opener with hybrid reaming section
US8448724B2 (en)	2009-10-06	2013-05-28	Baker Hughes Incorporated	Hole opener with hybrid reaming section
WO2012006182A1 (en)	2010-06-29	2012-01-12	Baker Hughes Incorporated	Drill bits with anti-tracking features
US8978786B2 (en)	2010-11-04	2015-03-17	Baker Hughes Incorporated	System and method for adjusting roller cone profile on hybrid bit
PL2673451T3 (en)	2011-02-11	2015-11-30	Baker Hughes Inc	System and method for leg retention on hybrid bits
US9782857B2 (en)	2011-02-11	2017-10-10	Baker Hughes Incorporated	Hybrid drill bit having increased service life
CA2855947C (en)	2011-11-15	2016-12-20	Baker Hughes Incorporated	Hybrid drill bits having increased drilling efficiency
WO2015179792A2 (en)	2014-05-23	2015-11-26	Baker Hughes Incorporated	Hybrid bit with mechanically attached rolling cutter assembly
US11428050B2 (en)	2014-10-20	2022-08-30	Baker Hughes Holdings Llc	Reverse circulation hybrid bit
CN107709693A (en)	2015-07-17	2018-02-16	哈里伯顿能源服务公司	Center has the Mixed drilling bit for reversely rotating cutter
US11795763B2 (en)	2020-06-11	2023-10-24	Schlumberger Technology Corporation	Downhole tools having radially extendable elements

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3024855A (en) *	1959-07-06	1962-03-13	Jersey Prod Res Co	Extensible drill bit
US3765493A (en) *	1971-12-01	1973-10-16	E Rosar	Dual bit drilling tool
US4076087A (en) *	1976-06-14	1978-02-28	Vladimir Yakovlevich Chuply	Hole reamer
US4478296A (en) *	1981-12-14	1984-10-23	Richman Jr Charles D	Drill bit having multiple drill rod impact members

1985
- 1985-11-23 GB GB858528894A patent/GB8528894D0/en active Pending
1986
- 1986-11-17 GB GB08627439A patent/GB2183694A/en not_active Withdrawn
- 1986-11-17 EP EP86308956A patent/EP0225101A3/en not_active Withdrawn
- 1986-11-19 AU AU65388/86A patent/AU6538886A/en not_active Abandoned

Also Published As

Publication number	Publication date
EP0225101A3 (en)	1988-09-21
GB2183694A (en)	1987-06-10
EP0225101A2 (en)	1987-06-10
AU6538886A (en)	1987-05-28
GB8528894D0 (en)	1986-01-02

Publication	Publication Date	Title
GB8501702D0 (en)	1985-02-27	Rotary drill bits
GB8508621D0 (en)	1985-05-09	Rotary drill bits
GB8528894D0 (en)	1986-01-02	Rotary drill bits
GB8524146D0 (en)	1985-11-06	Rotary drill bits
GB2188354B (en)	1989-11-22	Rotary drill bit
GB8517276D0 (en)	1985-08-14	Rotary drill bits
GB8626919D0 (en)	1986-12-10	Rotary drill bits
GB8612012D0 (en)	1986-06-25	Rotary drill bits
GB8607701D0 (en)	1986-04-30	Rotary drill bit
GB8628168D0 (en)	1986-12-31	Rotary drill bits
GB8405267D0 (en)	1984-04-04	Rotary drill bit
GB8611448D0 (en)	1986-06-18	Rotary drill bits
GB8503463D0 (en)	1985-03-13	Rotary drill bits
GB8711255D0 (en)	1987-06-17	Rotary drill bits
GB8510494D0 (en)	1985-05-30	Rotary drill bits
ZA853605B (en)	1985-12-24	Rotary drill bit
GB8517277D0 (en)	1985-08-14	Rotary drill bits
GB2152557B (en)	1986-07-09	Rotary drill bit
DE3567054D1 (en)	1989-02-02	Rotary drill bit
GB8528299D0 (en)	1985-12-18	Rotary drill bits
GB8505244D0 (en)	1985-04-03	Rotary drill bits
GB8516776D0 (en)	1985-08-07	Rotary drill bits
EP0187971A3 (en)	1987-08-19	Drill bit
GB8611449D0 (en)	1986-06-18	Rotary drill bits
GB8618457D0 (en)	1986-09-03	Drill bit

Legal Events

Date	Code	Title	Description
1988-07-06	WAP	Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)