A POWER TRANSMISSION UNIT OF AN IMPACTOR, A HYDRAULIC JET IMPACTOR AND THE APPLICATION THEREOF

Details for Australian Patent Application No. 2003207096 (hide)

Owner CHINA PETROLEUM AND CHEMICAL CORPORATION EXPLORATION AND PRODUCTION RESEARCH INSTITUTE, SINOPEC

Inventors XU, Guoqiang; ZENG, Yijin; HOU, Xutian; TAO, Xinghua

Pub. Number AU-A-2003207096

PCT Number PCT/CN03/00027

PCT Pub. Number WO2003/058023

Priority 02200716.4 14.01.02 CN; 02200714.8 14.01.02 CN

Filing date 14 January 2003

Wipo publication date 24 July 2003

International Classifications

E21B 001/00 Methods or apparatus for drilling

E21B 001/24 Methods or apparatus for drilling

Event Publications

17 July 2003 Complete Application Filed

  Priority application(s): 02200716.4 14.01.02 CN; 02200714.8 14.01.02 CN

4 September 2003 Application Open to Public Inspection

  Published as AU-A-2003207096

30 September 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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