NO20061123L - Fremgangsmate for dynamisk reguleringer av apenbronntrykk i en bronn ved bruk av bronnhodetrykkregulering - Google Patents

Fremgangsmate for dynamisk reguleringer av apenbronntrykk i en bronn ved bruk av bronnhodetrykkregulering

Info

Publication number
NO20061123L
NO20061123L NO20061123A NO20061123A NO20061123L NO 20061123 L NO20061123 L NO 20061123L NO 20061123 A NO20061123 A NO 20061123A NO 20061123 A NO20061123 A NO 20061123A NO 20061123 L NO20061123 L NO 20061123L
Authority
NO
Norway
Prior art keywords
annulus
pressure
well
control
fluid
Prior art date
Application number
NO20061123A
Other languages
English (en)
Other versions
NO339904B1 (no
Inventor
Joe Kinder
Robert Graham
Original Assignee
Weatherford Canada Partnership
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 Weatherford Canada Partnership filed Critical Weatherford Canada Partnership
Publication of NO20061123L publication Critical patent/NO20061123L/no
Publication of NO339904B1 publication Critical patent/NO339904B1/no

Links

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
    • E21B21/00—Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor
    • E21B21/08—Controlling or monitoring pressure or flow of drilling fluid, e.g. automatic filling of boreholes, automatic control of bottom pressure
    • 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
    • E21B21/10—Valve arrangements in drilling-fluid circulation systems
    • E21B21/106—Valve arrangements outside the borehole, e.g. kelly valves
    • 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mining & Mineral Resources (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Paper (AREA)
  • Control Of Fluid Pressure (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)

Abstract

Det er tilveiebrakt en fremgangsmåte for dynamisk regulering av åpenhulltrykk i en brønn med en borestreng (25) anbrakt deri. Fremgangsmåten innbefatter trinnene å pumpe et fluid ned gjennom borestrengen (25), inn i et ringrom (27) dannet av borestrengen (25) og brønnveggen, og så deretter opp gjennom ringrommet (27) og til jordoverflaten; selektivt påføre brønnhodetrykk til ringrommet (27) ved selektivt å pumpe en ytterligere mengde av fluidet eller en mengde av et sekundært fluid over ringrommet (27); og regulere påføringen av brønnhodetrykk påført ringrommet (27) ved å regulere den ene, eller begge, av (a) operasjonen av en brønnhodetrykk-reguleringsstruper (10), og (b) strømningsraten til den ytterligere mengde fluid eller det sekundære fluidet pumpet over ringrommet (27), for dermed å bibeholde åpenhulltrykk innenfor et ønsket område.
NO20061123A 2005-03-16 2006-03-08 Fremgangsmåte for dynamisk reguleringer av åpenbrønntrykk i en brønn ved bruk av brønnhodetrykkregulering NO339904B1 (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US11/080,663 US7407019B2 (en) 2005-03-16 2005-03-16 Method of dynamically controlling open hole pressure in a wellbore using wellhead pressure control

Publications (2)

Publication Number Publication Date
NO20061123L true NO20061123L (no) 2006-09-18
NO339904B1 NO339904B1 (no) 2017-02-13

Family

ID=36142087

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20061123A NO339904B1 (no) 2005-03-16 2006-03-08 Fremgangsmåte for dynamisk reguleringer av åpenbrønntrykk i en brønn ved bruk av brønnhodetrykkregulering

Country Status (4)

Country Link
US (1) US7407019B2 (no)
CA (1) CA2503308C (no)
GB (1) GB2426017B (no)
NO (1) NO339904B1 (no)

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Also Published As

Publication number Publication date
GB2426017B (en) 2011-04-06
GB0603297D0 (en) 2006-03-29
CA2503308A1 (en) 2006-09-16
GB2426017A (en) 2006-11-15
CA2503308C (en) 2011-06-07
US7407019B2 (en) 2008-08-05
NO339904B1 (no) 2017-02-13
US20060207795A1 (en) 2006-09-21

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Legal Events

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CREP Change of representative

Representative=s name: HAMSOE PATENTBYRA AS, POSTBOKS 171, 4301 SANDNES

CHAD Change of the owner's name or address (par. 44 patent law, par. patentforskriften)

Owner name: WEATHERFORD CANADA LTD., CA

PLED Pledge agreement as registered by the authority (distraint, execution lien)

Effective date: 20200525