GB2324110B - Starter mill - Google Patents

Starter mill

Info

Publication number
GB2324110B
GB2324110B GB9814678A GB9814678A GB2324110B GB 2324110 B GB2324110 B GB 2324110B GB 9814678 A GB9814678 A GB 9814678A GB 9814678 A GB9814678 A GB 9814678A GB 2324110 B GB2324110 B GB 2324110B
Authority
GB
United Kingdom
Prior art keywords
starter mill
starter
mill
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.)
Expired - Lifetime
Application number
GB9814678A
Other versions
GB9814678D0 (en
GB2324110A (en
Inventor
Britt Oliver Braddick
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.)
TIW Corp
Original Assignee
TIW Corp
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
Priority claimed from US08/409,879 external-priority patent/US5551509A/en
Application filed by TIW Corp filed Critical TIW Corp
Publication of GB9814678D0 publication Critical patent/GB9814678D0/en
Publication of GB2324110A publication Critical patent/GB2324110A/en
Application granted granted Critical
Publication of GB2324110B publication Critical patent/GB2324110B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • E21B7/061—Deflecting the direction of boreholes the tool shaft advancing relative to a guide, e.g. a curved tube or a whipstock
GB9814678A 1995-03-24 1995-12-04 Starter mill Expired - Lifetime GB2324110B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/409,879 US5551509A (en) 1995-03-24 1995-03-24 Whipstock and starter mill
GB9524769A GB2299106B (en) 1995-03-24 1995-12-04 Whipstock and starter mill

Publications (3)

Publication Number Publication Date
GB9814678D0 GB9814678D0 (en) 1998-09-02
GB2324110A GB2324110A (en) 1998-10-14
GB2324110B true GB2324110B (en) 1999-04-21

Family

ID=26308223

Family Applications (2)

Application Number Title Priority Date Filing Date
GB9825270A Expired - Lifetime GB2328968B (en) 1995-03-24 1995-12-04 Whipstock and starter mill
GB9814678A Expired - Lifetime GB2324110B (en) 1995-03-24 1995-12-04 Starter mill

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB9825270A Expired - Lifetime GB2328968B (en) 1995-03-24 1995-12-04 Whipstock and starter mill

Country Status (1)

Country Link
GB (2) GB2328968B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2348664B (en) * 1996-05-03 2000-12-13 Smith International One trip milling system
GB9907116D0 (en) 1999-03-26 1999-05-19 Smith International Whipstock casing milling system
US11512581B2 (en) 2020-01-31 2022-11-29 Halliburton Energy Services, Inc. Fiber optic sensing of wellbore leaks during cement curing using a cement plug deployment system
US11566487B2 (en) 2020-01-31 2023-01-31 Halliburton Energy Services, Inc. Systems and methods for sealing casing to a wellbore via light activation
US11692435B2 (en) 2020-01-31 2023-07-04 Halliburton Energy Services, Inc. Tracking cementing plug position during cementing operations
US11512584B2 (en) 2020-01-31 2022-11-29 Halliburton Energy Services, Inc. Fiber optic distributed temperature sensing of annular cement curing using a cement plug deployment system
US11661838B2 (en) 2020-01-31 2023-05-30 Halliburton Energy Services, Inc. Using active actuation for downhole fluid identification and cement barrier quality assessment
US11920464B2 (en) 2020-01-31 2024-03-05 Halliburton Energy Services, Inc. Thermal analysis of temperature data collected from a distributed temperature sensor system for estimating thermal properties of a wellbore
US11846174B2 (en) 2020-02-01 2023-12-19 Halliburton Energy Services, Inc. Loss circulation detection during cementing operations

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4397355A (en) * 1981-05-29 1983-08-09 Masco Corporation Whipstock setting method and apparatus
US4765404A (en) * 1987-04-13 1988-08-23 Drilex Systems, Inc. Whipstock packer assembly
US5431220A (en) * 1994-03-24 1995-07-11 Smith International, Inc. Whipstock starter mill assembly
GB2299105A (en) * 1995-03-23 1996-09-25 Tiw Corp Retrievable through tubing tool

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5035292A (en) * 1989-01-11 1991-07-30 Masx Energy Service Group, Inc. Whipstock starter mill with pressure drop tattletale

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4397355A (en) * 1981-05-29 1983-08-09 Masco Corporation Whipstock setting method and apparatus
US4765404A (en) * 1987-04-13 1988-08-23 Drilex Systems, Inc. Whipstock packer assembly
US5431220A (en) * 1994-03-24 1995-07-11 Smith International, Inc. Whipstock starter mill assembly
GB2299105A (en) * 1995-03-23 1996-09-25 Tiw Corp Retrievable through tubing tool

Also Published As

Publication number Publication date
GB2328968B (en) 1999-04-21
GB9825270D0 (en) 1999-01-13
GB9814678D0 (en) 1998-09-02
GB2328968A (en) 1999-03-10
GB2324110A (en) 1998-10-14

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20151203