Method and apparatus for separating liquid from a multi-phase liquid/gas stream United States Patent 06860921

06860921 is referenced by 25 patents and cites 13 patents.

A tubular separation unit insertable into a caisson or tube for separating liquid from an upward flowing liquid/gas multi-phase stream, and including a centrifugal flow-induced liquid separator having a multi-phase gas/liquid inlet, a liquid outlet, and a gas stream outlet; a liquid transfer conduit connected to the liquid outlet of the flow separator; and a pump for pumping liquid, disposed below the separator and including a pump liquid inlet connected to the liquid transfer conduit and through which liquid separated in the separator is received, and a pumped liquid outlet through which separated liquid is, in use, caused to flow selectively.

Title
Method and apparatus for separating liquid from a multi-phase liquid/gas stream
Application Number
10/375482
Publication Number
6860921 (B2)
Application Date
February 27, 2003
Publication Date
March 1, 2005
Inventor
Hans P Hopper
Aberdeen
GB
Agent
Peter Bielinski
Michael P Hartmann
Assignee
Cooper Cameron Corporation
TX, US
IPC
B01D 019/00
B01D 017/038
View Original Source

Citations: 25 (view full list)

  1. Clifford Howard Campen, Jose Luis Matos, James Roncace: Subsea multiphase pumping systems. Curtiss Wright Electro Mechanical Corporation, Reed Smith, August 4, 2009: US07569097 (36 worldwide citation)
  2. Chengbao Wang: Multi-stage gas separator. Wood Group ESP, Crowe & Dunlevy P C, David M Sullivan, December 9, 2008: US07461692 (15 worldwide citation)
  3. Joseph A Zupanick: Flow control system having a downhole check valve selectively operable from a surface of a well. Pine Tree Gas, Sonnenschein Nath & Rosenthal, September 7, 2010: US07789158 (10 worldwide citation)
  4. Joseph A Zupanick: Flow control system having an isolation device for preventing gas interference during downhole liquid removal operations. Pine Tree Gas, Sonnenschein Nath & Rosenthal, July 13, 2010: US07753115 (9 worldwide citation)
  5. Joseph A Zupanick: System and method for controlling liquid removal operations in a gas-producing well. Pine Tree Gas, Sonnenschein Nath & Rosenthal, September 7, 2010: US07789157 (8 worldwide citation)
  6. Brown Lyle Wilson, Christopher K Shaw: Gas eduction tube for seabed caisson pump assembly. Baker Hughes Incorporated, Bracewell & Giuliani, February 8, 2011: US07882896 (8 worldwide citation)
  7. Chris Ketter, Raymond E Floyd, Chengbao Wang: Gas separator agitator assembly. Wood Group ESP, Crowe & Dunlevy P C, David M Sullivan, December 9, 2008: US07462225 (6 worldwide citation)
  8. Joseph A Zupanick: Flow control system having an isolation device for preventing gas interference during downhole liquid removal operations. Pine Tree Gas, SNR Denton US, July 5, 2011: US07971649 (4 worldwide citation)
  9. Marcel Obrejanu: Spiral gas separator. Star Oil Tools, Cohen Pontani Lieberman & Pavane, February 8, 2011: US07883570 (4 worldwide citation)
  10. Joseph A Zupanick: System and method for controlling liquid removal operations in a gas-producing well. Pine Tree Gas, SNR Denton US, April 24, 2012: US08162065 (3 worldwide citation)

References: 13 (view full list)

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  2. Lawrence C Lee, Mukul K Tyagi, Michael W Furnas, Francis T Traylor: Liquid-gas separator apparatus. TRW, Shapiro and Shapiro, November 6, 1984: US04481020 (61 worldwide citation)
  3. Christopher K Shaw, Peter A Thompson: Oil separation and pumping systems. Baker Hughes, Thomason Moser & Patterson L, July 4, 2000: US06082452 (49 worldwide citation)
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  6. Lawrence Lee, Jay S Mann: Downhole fluid separation system incorporating a drive-through separator and method for separating wellbore fluids. Camco International, Fletcher Yoder & Van Someren, March 7, 2000: US06033567 (33 worldwide citation)
  7. Carle Joseph T, Choate Charles L: Gas separator for a submersible oil pump. Oil Dynamics, November 30, 1971: US3624822 (21 worldwide citation)
  8. Richard A Cadle, Richard L Payne: Liquid carryover control for spiral gas liquid separator. Atlantic Richfield Company, Michael E Martin, December 16, 1997: US05698014 (19 worldwide citation)
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  10. Woon Yung Lee, Bobby D Evans: Downhole gas separator having multiple separation chambers. Camco International, Fletcher Yoder & Van Someren, December 5, 2000: US06155345 (12 worldwide citation)