CA2228416A1 - Enhanced lift method and apparatus for the production of hydrocarbons - Google Patents

Enhanced lift method and apparatus for the production of hydrocarbons

Info

Publication number
CA2228416A1
CA2228416A1 CA002228416A CA2228416A CA2228416A1 CA 2228416 A1 CA2228416 A1 CA 2228416A1 CA 002228416 A CA002228416 A CA 002228416A CA 2228416 A CA2228416 A CA 2228416A CA 2228416 A1 CA2228416 A1 CA 2228416A1
Authority
CA
Canada
Prior art keywords
annulus
conduit
outlet
fluid
wellhead
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
CA002228416A
Other languages
French (fr)
Other versions
CA2228416C (en
Inventor
Kenneth E. Kisman
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.)
RANGEWEST TECHNOLOGIES Ltd
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2228416A1 publication Critical patent/CA2228416A1/en
Application granted granted Critical
Publication of CA2228416C publication Critical patent/CA2228416C/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
    • E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
    • E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
    • E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
    • E21B43/2406—Steam assisted gravity drainage [SAGD]
    • 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
    • E21B43/121—Lifting well fluids
    • E21B43/122—Gas lift
    • 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
    • E21B43/34—Arrangements for separating materials produced by the well
    • E21B43/38—Arrangements for separating materials produced by the well in the well

Abstract

Apparatus and method are provided for producing fluid from a wellbore extending into a hot subterranean hydrocarbon-bearing formation containing water at greater than 100 °C. The wellbore is divided into three co-extensive passageways; an annulus, and first and second conduits. The annulus is formed within the wellbore between a block at its bottom above the completion intervals and an outlet at the wellhead. The first conduit extends from the formation, through the bottom of the annulus and to an outlet at an elevation intermediate up the annulus. The first conduit is insulated between the bottom of the annulus and its outlet. A second conduit extends between the bottom of the annulus and an outlet at the wellhead. In operation, by producing fluid from the annulus and the second conduit outlets at the wellhead, formation fluid is induced to rise up the first conduit. While the fluid rises, contained water flashes providing steam-enhanced lift. The now-cooled fluid flows out of the first conduit's outlet and into the annulus, separating into substantially gas-phase and liquid phase fluids which flow up and down the annulus respectively. The gas phase fluid is produced from the top of the annulus. Liquid-phase fluid pools in the bottom of the annulus may be artificially lifted through the second conduit using gas-lift or pumps for production at the wellhead outlet.
CA002228416A 1997-02-20 1998-01-30 Enhanced lift method and apparatus for the production of hydrocarbons Expired - Lifetime CA2228416C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US3811397P 1997-02-20 1997-02-20
US60/038,113 1997-02-20

Publications (2)

Publication Number Publication Date
CA2228416A1 true CA2228416A1 (en) 1998-08-19
CA2228416C CA2228416C (en) 2002-03-12

Family

ID=21898159

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002228416A Expired - Lifetime CA2228416C (en) 1997-02-20 1998-01-30 Enhanced lift method and apparatus for the production of hydrocarbons

Country Status (4)

Country Link
US (1) US6039121A (en)
AU (1) AU6201198A (en)
CA (1) CA2228416C (en)
WO (1) WO1998037306A1 (en)

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Also Published As

Publication number Publication date
AU6201198A (en) 1998-09-09
US6039121A (en) 2000-03-21
WO1998037306A1 (en) 1998-08-27
CA2228416C (en) 2002-03-12

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