CA2443010A1 - Rod pump control system including parameter estimator - Google Patents

Rod pump control system including parameter estimator Download PDF

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Publication number
CA2443010A1
CA2443010A1 CA002443010A CA2443010A CA2443010A1 CA 2443010 A1 CA2443010 A1 CA 2443010A1 CA 002443010 A CA002443010 A CA 002443010A CA 2443010 A CA2443010 A CA 2443010A CA 2443010 A1 CA2443010 A1 CA 2443010A1
Authority
CA
Canada
Prior art keywords
pump
rod
sensors
load
control system
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
CA002443010A
Other languages
French (fr)
Other versions
CA2443010C (en
Inventor
Thomas L. Beck
Ronald G. Peterson
Mark E. Garlow
Theresa Smigura
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.)
Unico LLC
Original Assignee
Unico 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 Unico LLC filed Critical Unico LLC
Priority to CA2614817A priority Critical patent/CA2614817C/en
Publication of CA2443010A1 publication Critical patent/CA2443010A1/en
Application granted granted Critical
Publication of CA2443010C publication Critical patent/CA2443010C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D13/00—Pumping installations or systems
    • F04D13/02—Units comprising pumps and their driving means
    • F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
    • F04D13/08—Units comprising pumps and their driving means the pump being electrically driven for submerged use
    • F04D13/10—Units comprising pumps and their driving means the pump being electrically driven for submerged use adapted for use in mining bore holes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B47/00—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps
    • F04B47/02—Pumps or pumping installations specially adapted for raising fluids from great depths, e.g. well pumps the driving mechanisms being situated at ground level
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0066—Control, e.g. regulation, of pumps, pumping installations or systems by changing the speed, e.g. of the driving engine
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D15/00—Control, e.g. regulation, of pumps, pumping installations or systems
    • F04D15/0088—Testing machines
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2203/00—Motor parameters
    • F04B2203/02—Motor parameters of rotating electric motors
    • F04B2203/0201—Current
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2203/00—Motor parameters
    • F04B2203/02—Motor parameters of rotating electric motors
    • F04B2203/0202—Voltage
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2203/00—Motor parameters
    • F04B2203/02—Motor parameters of rotating electric motors
    • F04B2203/0207—Torque
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2203/00—Motor parameters
    • F04B2203/02—Motor parameters of rotating electric motors
    • F04B2203/0208—Power
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2205/00—Fluid parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B2205/00—Fluid parameters
    • F04B2205/05—Pressure after the pump outlet

Abstract

A rod pump control system includes a parameter estimator that determines from motor data parameters relating to operation of the rod pump and/or downhole dynamometer card without the need for external instrumentation, such as down hole sensors, rod load sensors, flow sensors, acoustic fluid level sensors, etc. In one embodiment, instantaneous motor current and voltage together with pump parameters are used in determining rod position and load. The rod position and load are used to control the operation of the rod pump to optimize the operation of the pump. Also disclosed in a pump stroke amplifier that is capable of increasing pump stroke without changing the overall pumping speed, or in the alternative, maintaining the well output with decreased overall pumping speed.
CA002443010A 2002-09-27 2003-09-26 Rod pump control system including parameter estimator Expired - Lifetime CA2443010C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA2614817A CA2614817C (en) 2002-09-27 2003-09-26 Rod pump control system including parameter estimator

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US41419702P 2002-09-27 2002-09-27
US60/414,197 2002-09-27
US42915802P 2002-11-26 2002-11-26
US60/429,158 2002-11-26
US10/655,777 2003-09-05
US10/655,777 US7168924B2 (en) 2002-09-27 2003-09-05 Rod pump control system including parameter estimator

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CA2614817A Division CA2614817C (en) 2002-09-27 2003-09-26 Rod pump control system including parameter estimator

Publications (2)

Publication Number Publication Date
CA2443010A1 true CA2443010A1 (en) 2004-03-27
CA2443010C CA2443010C (en) 2008-02-26

Family

ID=32233406

Family Applications (4)

Application Number Title Priority Date Filing Date
CA002443175A Expired - Lifetime CA2443175C (en) 2002-09-27 2003-09-26 Control system for progressing cavity pumps
CA002443010A Expired - Lifetime CA2443010C (en) 2002-09-27 2003-09-26 Rod pump control system including parameter estimator
CA2644149A Expired - Lifetime CA2644149C (en) 2002-09-27 2003-09-26 Control system for centrifugal pumps
CA002442973A Expired - Lifetime CA2442973C (en) 2002-09-27 2003-09-26 Control system for centrifugal pumps

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CA002443175A Expired - Lifetime CA2443175C (en) 2002-09-27 2003-09-26 Control system for progressing cavity pumps

Family Applications After (2)

Application Number Title Priority Date Filing Date
CA2644149A Expired - Lifetime CA2644149C (en) 2002-09-27 2003-09-26 Control system for centrifugal pumps
CA002442973A Expired - Lifetime CA2442973C (en) 2002-09-27 2003-09-26 Control system for centrifugal pumps

Country Status (2)

Country Link
US (5) US7117120B2 (en)
CA (4) CA2443175C (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10428629B2 (en) 2014-12-30 2019-10-01 Yueli Electric (Jiangsu) Co., Ltd. Methods and systems for directly driving a beam pumping unit by a rotating motor

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CA2443010C (en) 2008-02-26
CA2644149C (en) 2011-05-03
US7168924B2 (en) 2007-01-30
CA2644149A1 (en) 2004-03-27
US8444393B2 (en) 2013-05-21
US7117120B2 (en) 2006-10-03
CA2442973C (en) 2009-01-27
CA2443175A1 (en) 2004-03-27
US20040062657A1 (en) 2004-04-01
US7558699B2 (en) 2009-07-07
CA2443175C (en) 2009-12-29
US20040062658A1 (en) 2004-04-01
CA2442973A1 (en) 2004-03-27
US20060251525A1 (en) 2006-11-09
US20040064292A1 (en) 2004-04-01

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