CA2400051A1 - Artificial lift apparatus with automated monitoring characteristics - Google Patents

Artificial lift apparatus with automated monitoring characteristics Download PDF

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Publication number
CA2400051A1
CA2400051A1 CA002400051A CA2400051A CA2400051A1 CA 2400051 A1 CA2400051 A1 CA 2400051A1 CA 002400051 A CA002400051 A CA 002400051A CA 2400051 A CA2400051 A CA 2400051A CA 2400051 A1 CA2400051 A1 CA 2400051A1
Authority
CA
Canada
Prior art keywords
wellbore
fluid
pressure
tubing string
information
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
CA002400051A
Other languages
French (fr)
Other versions
CA2400051C (en
Inventor
John Birckhead
Art Britton
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.)
Weatherford Technology Holdings LLC
Original Assignee
Weatherford/Lamb, Inc.
John Birckhead
Art Britton
Weatherford Technology Holdings, Llc
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, Inc., John Birckhead, Art Britton, Weatherford Technology Holdings, Llc filed Critical Weatherford/Lamb, Inc.
Publication of CA2400051A1 publication Critical patent/CA2400051A1/en
Application granted granted Critical
Publication of CA2400051C publication Critical patent/CA2400051C/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
    • 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
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/008—Monitoring of down-hole pump systems, e.g. for the detection of "pumped-off" conditions
    • 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
    • E21B47/00—Survey of boreholes or wells
    • E21B47/04—Measuring depth or liquid level
    • E21B47/047—Liquid level

Abstract

The present invention provides an artificial lift apparatus that monitors the conditions in and around a well and makes automated adjustments based upon those conditions. In one aspect, the invention includes a progressive cavity pump (PCP) (60) for disposal at a lower end of a tubing string in a cased wellbore. A pressure sensor (50a) in the wellbore adjacent the pump measures fluid pressure of fluid collecting in the wellbore. Another pressure sensor (37) disposed in the upper end of the wellbore measures pressure created by compressed gas above the fluid column and a controller (25) receives the information and calculates the true height of fluid in the wellbore. Another sensor (50b) disposed in the lower end the tubing string measures fluid pressure in the tubing string and transmits that information to the controller.
The controller compares the signals for the three sensors and makes adjustments based upon a relationship between the measurements and preprogrammed information about the wellbore and the formation pressure therearound.
CA002400051A 2000-02-22 2001-02-22 Artificial lift apparatus with automated monitoring characteristics Expired - Fee Related CA2400051C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18421000P 2000-02-22 2000-02-22
US60/184,210 2000-02-22
PCT/GB2001/000778 WO2001063091A1 (en) 2000-02-22 2001-02-22 Artificial lift apparatus with automated monitoring characteristics

Publications (2)

Publication Number Publication Date
CA2400051A1 true CA2400051A1 (en) 2001-08-30
CA2400051C CA2400051C (en) 2008-08-12

Family

ID=22675990

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002400051A Expired - Fee Related CA2400051C (en) 2000-02-22 2001-02-22 Artificial lift apparatus with automated monitoring characteristics

Country Status (6)

Country Link
US (1) US6536522B2 (en)
EP (1) EP1257728B1 (en)
AU (1) AU2001235767A1 (en)
BR (1) BR0108593A (en)
CA (1) CA2400051C (en)
WO (1) WO2001063091A1 (en)

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Publication number Priority date Publication date Assignee Title
CN114109367A (en) * 2021-11-25 2022-03-01 四川轻化工大学 Shaft annulus liquid level monitoring method and system

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Publication number Priority date Publication date Assignee Title
CN114109367A (en) * 2021-11-25 2022-03-01 四川轻化工大学 Shaft annulus liquid level monitoring method and system

Also Published As

Publication number Publication date
WO2001063091A1 (en) 2001-08-30
AU2001235767A1 (en) 2001-09-03
EP1257728A1 (en) 2002-11-20
BR0108593A (en) 2002-11-12
EP1257728B1 (en) 2012-04-11
US6536522B2 (en) 2003-03-25
CA2400051C (en) 2008-08-12
US20020074127A1 (en) 2002-06-20

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EEER Examination request
MKLA Lapsed

Effective date: 20200224