NO20100950L - System og fremgangsmate for snubbing under trykk - Google Patents

System og fremgangsmate for snubbing under trykk

Info

Publication number
NO20100950L
NO20100950L NO20100950A NO20100950A NO20100950L NO 20100950 L NO20100950 L NO 20100950L NO 20100950 A NO20100950 A NO 20100950A NO 20100950 A NO20100950 A NO 20100950A NO 20100950 L NO20100950 L NO 20100950L
Authority
NO
Norway
Prior art keywords
valve
piston
fluid flow
plug
flow paths
Prior art date
Application number
NO20100950A
Other languages
English (en)
Inventor
Dennis P Nguyen
Original Assignee
Cameron Int 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
Application filed by Cameron Int Corp filed Critical Cameron Int Corp
Publication of NO20100950L publication Critical patent/NO20100950L/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
    • E21B33/00—Sealing or packing boreholes or wells
    • E21B33/10—Sealing or packing boreholes or wells in the borehole
    • E21B33/12—Packers; Plugs
    • E21B33/129—Packers; Plugs with mechanical slips for hooking into the casing
    • E21B33/1294—Packers; Plugs with mechanical slips for hooking into the casing characterised by a valve, e.g. a by-pass valve

Landscapes

  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Earth Drilling (AREA)
  • Actuator (AREA)
  • Details Of Valves (AREA)

Abstract

En snubbeplugg er innrettet for å muliggjøre trykkutlikning over og under pluggen før den fjernes fra en mineralutvinningsbrønn. Trykket kan bli utliknet ved hjelp av fluidstrømningsveier gjennom snubbepluggen. Mens snubbeoperasjonene pågår er fluidstrømningsveiene lukket og forseglet av en ventil. Når snubbeoperasjonene er ferdig, blir ventilen åpnet for å muliggjøre strømning av fluid gjennom strømningsveiene. Ventilen omfatter et stempel anordnet inne i legemet til snubbepluggen. Stempelet kan være koblet til tapper plassert i L-slisser i legemet. Mens ventilen er lukket, befinner tappene seg i en horisontal del av L-slissen, og sperrer med det for vertikal bevegelse av stempelet. For å åpne ventilen blir stempelet rotert inntil tappene kommer til en vertikal andel av L-slissen, hvoretter en fjær presser stempelet oppover for å åpne fluidstrømningsveiene.
NO20100950A 2007-12-20 2010-06-30 System og fremgangsmate for snubbing under trykk NO20100950L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1557407P 2007-12-20 2007-12-20
PCT/US2008/087046 WO2009085780A2 (en) 2007-12-20 2008-12-16 System and method for snubbing under pressure

Publications (1)

Publication Number Publication Date
NO20100950L true NO20100950L (no) 2010-07-12

Family

ID=40821640

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20100950A NO20100950L (no) 2007-12-20 2010-06-30 System og fremgangsmate for snubbing under trykk

Country Status (5)

Country Link
US (1) US8939216B2 (no)
BR (1) BRPI0821391B1 (no)
GB (1) GB2469216B (no)
NO (1) NO20100950L (no)
WO (1) WO2009085780A2 (no)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IN2012DN01271A (no) 2009-08-12 2015-05-15 Ge Oil & Gas Pressure Control Lp
CN102061899B (zh) * 2009-11-13 2013-02-13 江苏省金峰石油机械制造有限公司 液压式不压井修井机
US9745804B2 (en) 2015-03-02 2017-08-29 Full Flow Technologies, Llc Cylinder assembly for snubbing and drilling applications
US11313192B2 (en) 2017-11-08 2022-04-26 Petrochina Company Ltd. Method for lowering oil pipe in gas well without well-killing, soluble bridge plug and material preparation method thereof
US11053769B2 (en) 2019-02-02 2021-07-06 Northern Oil Solutions Back pressure valve plug

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Also Published As

Publication number Publication date
WO2009085780A3 (en) 2009-09-17
WO2009085780A2 (en) 2009-07-09
GB201008931D0 (en) 2010-07-14
GB2469216B (en) 2011-07-13
US20100243268A1 (en) 2010-09-30
US8939216B2 (en) 2015-01-27
BRPI0821391A2 (pt) 2015-06-16
GB2469216A (en) 2010-10-06
BRPI0821391B1 (pt) 2019-02-12

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Legal Events

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