GB0223575D0 - Downhole multiplexer and related methods - Google Patents

Downhole multiplexer and related methods

Info

Publication number
GB0223575D0
GB0223575D0 GBGB0223575.2A GB0223575A GB0223575D0 GB 0223575 D0 GB0223575 D0 GB 0223575D0 GB 0223575 A GB0223575 A GB 0223575A GB 0223575 D0 GB0223575 D0 GB 0223575D0
Authority
GB
United Kingdom
Prior art keywords
related methods
downhole
multiplexer
downhole multiplexer
methods
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
GBGB0223575.2A
Other versions
GB2377721A (en
GB2377721B (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.)
Camco International Inc
Original Assignee
Camco 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
Priority claimed from US09/115,038 external-priority patent/US6247536B1/en
Application filed by Camco International Inc filed Critical Camco International Inc
Publication of GB0223575D0 publication Critical patent/GB0223575D0/en
Publication of GB2377721A publication Critical patent/GB2377721A/en
Application granted granted Critical
Publication of GB2377721B publication Critical patent/GB2377721B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E21B23/00—Apparatus for displacing, setting, locking, releasing, or removing tools, packers or the like in the boreholes or wells
    • E21B23/004—Indexing systems for guiding relative movement between telescoping parts of downhole tools
    • E21B23/006—"J-slot" systems, i.e. lug and slot indexing mechanisms
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/066—Valve arrangements for boreholes or wells in wells electrically actuated
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/06—Valve arrangements for boreholes or wells in wells
    • E21B34/10—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole
    • 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
    • E21B34/00—Valve arrangements for boreholes or wells
    • E21B34/16—Control means therefor being outside the borehole
    • 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
    • E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
    • E21B41/02—Equipment or details not covered by groups E21B15/00 - E21B40/00 in situ inhibition of corrosion in boreholes or wells
    • 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
    • E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
    • E21B44/005—Below-ground automatic control systems
GB0223575A 1998-07-14 1999-07-09 Well completion equipment Expired - Fee Related GB2377721B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/115,038 US6247536B1 (en) 1998-07-14 1998-07-14 Downhole multiplexer and related methods
GB0100426A GB2355748B (en) 1998-07-14 1999-07-09 Downhole multiplexor valve and related methods

Publications (3)

Publication Number Publication Date
GB0223575D0 true GB0223575D0 (en) 2002-11-20
GB2377721A GB2377721A (en) 2003-01-22
GB2377721B GB2377721B (en) 2003-03-12

Family

ID=26245536

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0223574A Expired - Fee Related GB2377720B (en) 1998-07-14 1999-07-09 Downhole multiplexer valve
GB0223575A Expired - Fee Related GB2377721B (en) 1998-07-14 1999-07-09 Well completion equipment

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0223574A Expired - Fee Related GB2377720B (en) 1998-07-14 1999-07-09 Downhole multiplexer valve

Country Status (1)

Country Link
GB (2) GB2377720B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8757193B2 (en) * 2006-08-07 2014-06-24 Baker Hughes Incorporated Control line reducing hydraulic control system and control valve therefor
US8157017B2 (en) 2009-09-24 2012-04-17 Baker Hughes Incorporated Method and apparatus for injecting fluid in a wellbore
GB2545944B (en) * 2015-08-31 2021-03-31 Schlumberger Technology Bv Indexer controlled directional valve system
US20230082366A1 (en) * 2021-09-14 2023-03-16 Alex Miller Windshield Fluid Refill Device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4019592A (en) * 1975-12-31 1977-04-26 Engineering Enterprises, Inc. By-pass tool

Also Published As

Publication number Publication date
GB0223574D0 (en) 2002-11-20
GB2377720B (en) 2003-03-12
GB2377720A (en) 2003-01-22
GB2377721A (en) 2003-01-22
GB2377721B (en) 2003-03-12

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Legal Events

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

Effective date: 20110709