GB0720317D0 - Milling system and method of milling - Google Patents

Milling system and method of milling

Info

Publication number
GB0720317D0
GB0720317D0 GBGB0720317.7A GB0720317A GB0720317D0 GB 0720317 D0 GB0720317 D0 GB 0720317D0 GB 0720317 A GB0720317 A GB 0720317A GB 0720317 D0 GB0720317 D0 GB 0720317D0
Authority
GB
United Kingdom
Prior art keywords
milling
milling system
Prior art date
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.)
Granted
Application number
GBGB0720317.7A
Other versions
GB2443081B (en
GB2443081A (en
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.)
Filing date
Publication date
Application filed by Smith International Inc filed Critical Smith International Inc
Publication of GB0720317D0 publication Critical patent/GB0720317D0/en
Publication of GB2443081A publication Critical patent/GB2443081A/en
Priority to GB0905358A priority Critical patent/GB2457826B/en
Application granted granted Critical
Publication of GB2443081B publication Critical patent/GB2443081B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B29/00—Cutting or destroying pipes, packers, plugs, or wire lines, located in boreholes or wells, e.g. cutting of damaged pipes, of windows; Deforming of pipes in boreholes or wells; Reconditioning of well casings while in the ground
    • E21B29/06—Cutting windows, e.g. directional window cutters for whipstock operations
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP 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
    • E21B7/064—Deflecting the direction of boreholes specially adapted drill bits therefor
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH DRILLING; MINING
    • E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B10/00—Drill bits
    • E21B10/46—Drill bits characterised by wear resisting parts, e.g. diamond inserts
    • E21B10/56—Button-type inserts
    • E21B10/567—Button-type inserts with preformed cutting elements mounted on a distinct support, e.g. polycrystalline inserts
GB0720317A 2006-10-20 2007-10-17 Milling system and method of milling Expired - Fee Related GB2443081B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB0905358A GB2457826B (en) 2006-10-20 2009-03-27 Milling system and method of milling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/584,454 US20080093076A1 (en) 2006-10-20 2006-10-20 Milling system and method of milling

Publications (3)

Publication Number Publication Date
GB0720317D0 true GB0720317D0 (en) 2007-11-28
GB2443081A GB2443081A (en) 2008-04-23
GB2443081B GB2443081B (en) 2010-01-13

Family

ID=38813993

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0720317A Expired - Fee Related GB2443081B (en) 2006-10-20 2007-10-17 Milling system and method of milling

Country Status (4)

Country Link
US (1) US20080093076A1 (en)
CA (1) CA2606907A1 (en)
GB (1) GB2443081B (en)
NO (1) NO20075349L (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120138369A1 (en) * 2010-12-06 2012-06-07 Smith International, Inc. Methods to manufacture downhole tools with finished features as an integral cage
US8607900B1 (en) * 2012-08-27 2013-12-17 LB Enterprises, LLC Downhole tool engaging a tubing string between a drill bit and tubular for reaming a wellbore
RU2627801C2 (en) * 2013-03-05 2017-08-11 Халлибертон Энерджи Сервисез, Инк. System and method of cutting the window
WO2015047408A2 (en) * 2013-09-30 2015-04-02 Halliburton Energy Services, Inc. Clad hardfacing application on downhole cutting tools
US9416612B2 (en) * 2013-12-04 2016-08-16 Baker Hughes Incorporated Lower mill spaced cutting ring structure
US10316595B2 (en) 2014-11-13 2019-06-11 Z Drilling Holdings, Inc. Method and apparatus for reaming and/or stabilizing boreholes in drilling operations
GB2541017B (en) * 2015-08-06 2018-06-06 Schlumberger Holdings Downhole cutting tool
USD786645S1 (en) 2015-11-03 2017-05-16 Z Drilling Holdings, Inc. Reamer
US10648266B2 (en) * 2016-09-30 2020-05-12 Wellbore Integrity Solutions Llc Downhole milling cutting structures
US20200011134A1 (en) * 2018-07-03 2020-01-09 Wildcat Oil Tools, Inc. Bi-mill for milling an opening through a wellbore casing and in a preplanned lateral drilling path in departure from the wellbore axis
US10689930B2 (en) 2018-04-03 2020-06-23 Wildcat Oil Tools, LLC Dual-action hydraulically operable anchor and methods of operation and manufacture for wellbore exit milling
US10704329B2 (en) 2018-04-03 2020-07-07 Wildcat Oil Tools, LLC Cementing whipstock assembly and running tool with releasably engaged cement tube for minimizing downhole trips during lateral drill sidetracking operations

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4266621A (en) * 1977-06-22 1981-05-12 Christensen, Inc. Well casing window mill
US5657820A (en) * 1995-12-14 1997-08-19 Smith International, Inc. Two trip window cutting system
US5771972A (en) * 1996-05-03 1998-06-30 Smith International, Inc., One trip milling system
US5816324A (en) * 1996-05-03 1998-10-06 Smith International, Inc. Whipstock accelerator ramp
US6648068B2 (en) * 1996-05-03 2003-11-18 Smith International, Inc. One-trip milling system
CA2261495A1 (en) * 1998-03-13 1999-09-13 Praful C. Desai Method for milling casing and drilling formation
US6450271B1 (en) * 2000-07-21 2002-09-17 Baker Hughes Incorporated Surface modifications for rotary drill bits
US6668945B2 (en) * 2001-11-13 2003-12-30 Schlumberger Technology Corp. Method and apparatus for milling a window in a well casing or liner
US7070011B2 (en) * 2003-11-17 2006-07-04 Baker Hughes Incorporated Steel body rotary drill bits including support elements affixed to the bit body at least partially defining cutter pocket recesses
US7370702B2 (en) * 2004-01-08 2008-05-13 Baker Hughes Incorporated Single mill casing window cutting tool and method
US8267624B2 (en) * 2005-06-27 2012-09-18 The Gleason Works Full point width cutting blades
US7503405B2 (en) * 2005-11-21 2009-03-17 Hall David R Rotary valve for steering a drill string
US7575049B2 (en) * 2006-05-15 2009-08-18 Baker Hughes Incorporated Exit window milling assembly with improved restraining force

Also Published As

Publication number Publication date
US20080093076A1 (en) 2008-04-24
NO20075349L (en) 2008-04-22
GB2443081B (en) 2010-01-13
CA2606907A1 (en) 2008-04-20
GB2443081A (en) 2008-04-23

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20111017