NO20064774L - Non-elastomeric cement through tubing retrievable safety valve - Google Patents

Non-elastomeric cement through tubing retrievable safety valve

Info

Publication number
NO20064774L
NO20064774L NO20064774A NO20064774A NO20064774L NO 20064774 L NO20064774 L NO 20064774L NO 20064774 A NO20064774 A NO 20064774A NO 20064774 A NO20064774 A NO 20064774A NO 20064774 L NO20064774 L NO 20064774L
Authority
NO
Norway
Prior art keywords
valve
safety valve
flow tube
flow
barrel
Prior art date
Application number
NO20064774A
Other languages
English (en)
Inventor
Roddie R Smith
Nathaniel H Wagner
George C Duncan
Original Assignee
Weatherford Lamb
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 Lamb filed Critical Weatherford Lamb
Publication of NO20064774L publication Critical patent/NO20064774L/no

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
    • 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
    • E21B34/101—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for equalizing fluid pressure above and below the valve
    • 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
    • E21B34/06—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
    • E21B34/102—Valve arrangements for boreholes or wells in wells operated by control fluid supplied from outside the borehole with means for locking the closing element in open or closed position
    • 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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/12—Methods or apparatus for controlling the flow of the obtained fluid to or in 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
    • E21B2200/00—Special features related to earth drilling for obtaining oil, gas or water
    • E21B2200/05—Flapper valves

Abstract

Den foreliggende oppfinnelse vedrører generelt en sikkerhetsventil (200) tilbakeførbar gjennom rørledning (145) og innrettet til gjennomstrømning av ikke-elastomerisk sement, konfigurert for å kontrollere fluidstrømning gjennom en produksjonsrørstreng (120). I ett aspekt er en ventil (200) for anvendelse i en brønn (100) tilveiebrakt. Ventilen (200) omfatter en rørformet hoveddel (255). Ventilen (200) innbefatter videre et strømningsrør (225) med et løp (260) derigjennom, idet strømningsrøret (225) er anbrakt i den rørformede hoveddel (255) for å tildanne et ringromområde (240) derimellom. Ventilen (200) innbefatter videre en klaff (220) bevegelig mellom en åpen stilling og en lukket stilling i respons til bevegelsen av strømningsrøret (225). I tillegg innbefatter ventilen (200) et tetningssystem (300) konstruert og arrangert for i det vesentlige å isolere ringromområdet (240) fra løpet (260) og derved i det vesentlige å eliminere muligheten for forurensinger i utboringen (260) å trenge inn i ringromområdet (240). I et annet aspekt blir det tilveiebrakt en fremgangsmåte for å kontrollere fluid i en brønn (100).
NO20064774A 2003-09-24 2006-10-19 Non-elastomeric cement through tubing retrievable safety valve NO20064774L (no)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US50551503P 2003-09-24 2003-09-24
US10/853,568 US7314091B2 (en) 2003-09-24 2004-05-25 Cement-through, tubing retrievable safety valve
US11/255,349 US7543651B2 (en) 2003-09-24 2005-10-21 Non-elastomer cement through tubing retrievable safety valve

Publications (1)

Publication Number Publication Date
NO20064774L true NO20064774L (no) 2007-04-23

Family

ID=44674957

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20064774A NO20064774L (no) 2003-09-24 2006-10-19 Non-elastomeric cement through tubing retrievable safety valve

Country Status (5)

Country Link
US (2) US7314091B2 (no)
EP (1) EP1519005B1 (no)
CA (2) CA2482290C (no)
GB (1) GB2431423A (no)
NO (1) NO20064774L (no)

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Also Published As

Publication number Publication date
CA2482290C (en) 2008-08-05
GB2431423A (en) 2007-04-25
US20060124320A1 (en) 2006-06-15
US20050061519A1 (en) 2005-03-24
CA2564579A1 (en) 2007-04-21
US7543651B2 (en) 2009-06-09
GB0620770D0 (en) 2006-11-29
EP1519005A1 (en) 2005-03-30
CA2482290A1 (en) 2005-03-24
US7314091B2 (en) 2008-01-01
EP1519005B1 (en) 2007-06-06

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application