Apparatus for changing wellbore fluid temperature

Details for Australian Patent Application No. 2005213284 (hide)

Owner Halliburton Energy Services, Inc.

Inventors Naquin, Carey John; Rios-Aleman, David; Estep, James W.; Song, Haoshi; Hardin, John R. Jr.; Maranuk, Christopher A.

Agent Pizzeys

Pub. Number AU-B-2005213284 (Modified Examination)

PCT Pub. Number WO2005/076803

Priority 10/775,840 10.02.04 US

Filing date 21 January 2005

Wipo publication date 25 August 2005

Acceptance publication date 22 April 2010

International Classifications

E21B 34/10 (2006.01) Valve arrangements for boreholes or wells

E21B 21/10 (2006.01) Methods or apparatus for flushing boreholes, e.g. by use of exhaust air from motor

E21B 34/06 (2006.01) Valve arrangements for boreholes or wells

E21B 43/00 (2006.01) Obtaining fluids from wells

E21B 47/06 (2006.01) Survey of boreholes or wells - Measuring temperature or pressure

Event Publications

24 August 2006 PCT application entered the National Phase

  PCT publication WO2005/076803 Priority application(s): WO2005/076803

22 April 2010 Application Accepted

  Published as AU-B-2005213284 (Modified Examination)

19 August 2010 Standard Patent Sealed

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