GB2532669A - Electric submersible pump with reduced vibration - Google Patents

Electric submersible pump with reduced vibration Download PDF

Info

Publication number
GB2532669A
GB2532669A GB1603441.5A GB201603441A GB2532669A GB 2532669 A GB2532669 A GB 2532669A GB 201603441 A GB201603441 A GB 201603441A GB 2532669 A GB2532669 A GB 2532669A
Authority
GB
United Kingdom
Prior art keywords
reduced vibration
implementation
waves
bearings
excitation frequencies
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.)
Withdrawn
Application number
GB1603441.5A
Other versions
GB201603441D0 (en
Inventor
Lam Hao
I Watson Arthur
Orban Jacques
Milton Eslinger David
De Camargo Lauro
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.)
Schlumberger Holdings Ltd
Original Assignee
Schlumberger Holdings Ltd
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 Schlumberger Holdings Ltd filed Critical Schlumberger Holdings Ltd
Priority claimed from PCT/US2014/055595 external-priority patent/WO2015039008A1/en
Publication of GB201603441D0 publication Critical patent/GB201603441D0/en
Publication of GB2532669A publication Critical patent/GB2532669A/en
Withdrawn legal-status Critical Current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
    • 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
    • F04D13/0606—Canned motor pumps
    • F04D13/0633—Details of the bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/04—Shafts or bearings, or assemblies thereof
    • F04D29/046—Bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
    • F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
    • F04D29/666—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps by means of rotor construction or layout, e.g. unequal distribution of blades or vanes

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

An electric submersible pump (ESP) with reduced vibration is provided. In an implementation, an ESP section has radial bearings placed at shaft locations of reduced vibration to reduce wear. The locations of reduced vibration are selected to avoid areas of high vibration and vibrational waves that reinforce each other due to structure resonance and natural excitation frequencies. In an implementation, a radial bearing is positioned at a node of reduced vibration of a standing vibrational wave. In an implementation, a succession of multiple radial bearings are spaced at different intervals from each other to avoid conventional even spacing of the bearings that causes standing waves, resonance waves, and vibrational waves at natural excitation frequencies. In an implementation, a span between adjacent radial bearings is selected to spare other adjacent bearings at different spans the effects of vibrations that may extend over a range of excitation frequencies in the ESP section.
GB1603441.5A 2013-09-15 2014-09-15 Electric submersible pump with reduced vibration Withdrawn GB2532669A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201361877988P 2013-09-15 2013-09-15
PCT/US2014/055595 WO2015039008A1 (en) 2013-09-15 2014-09-15 Electric submersible pump with reduced vibration

Publications (2)

Publication Number Publication Date
GB201603441D0 GB201603441D0 (en) 2016-04-13
GB2532669A true GB2532669A (en) 2016-05-25

Family

ID=55807034

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1603441.5A Withdrawn GB2532669A (en) 2013-09-15 2014-09-15 Electric submersible pump with reduced vibration

Country Status (1)

Country Link
GB (1) GB2532669A (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350911A (en) * 1979-06-04 1982-09-21 Oil Dynamics, Inc. Tandem connected submersible oil well pump motors
JP2004286045A (en) * 2003-03-19 2004-10-14 Boc Edwards Kk Magnetic bearing device, and pump unit mounting the same magnetic bearing device
EP1574719A2 (en) * 2004-02-19 2005-09-14 The Boc Group, Inc. Method and apparatus to reduce vibrations in a pumping arrangement
US8162596B1 (en) * 2007-04-20 2012-04-24 Ebara International Corp. Support device for high pressure pumps usable in or on the deck of a marine vessel
US20130058797A1 (en) * 2011-09-02 2013-03-07 Baker Hughes Incorporated System and method for attenuation of esp motor vibration

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4350911A (en) * 1979-06-04 1982-09-21 Oil Dynamics, Inc. Tandem connected submersible oil well pump motors
JP2004286045A (en) * 2003-03-19 2004-10-14 Boc Edwards Kk Magnetic bearing device, and pump unit mounting the same magnetic bearing device
EP1574719A2 (en) * 2004-02-19 2005-09-14 The Boc Group, Inc. Method and apparatus to reduce vibrations in a pumping arrangement
US8162596B1 (en) * 2007-04-20 2012-04-24 Ebara International Corp. Support device for high pressure pumps usable in or on the deck of a marine vessel
US20130058797A1 (en) * 2011-09-02 2013-03-07 Baker Hughes Incorporated System and method for attenuation of esp motor vibration

Also Published As

Publication number Publication date
GB201603441D0 (en) 2016-04-13

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)