Controlled downhole chemical injection

Details for Australian Patent Application No. 2001243413 (hide)

Owner Shell Internationale Research Maatschappij B.V.

Inventors Burnett, Robert Rex; Vinegar, Harold J.; Stegemeier, George Leo; Hirsch, John Michele; Carl, Frederick Gordon Jr.; Savage, William Mountjoy

Agent Spruson & Ferguson

Pub. Number AU-B-2001243413

PCT Pub. Number WO01/65055

Priority 60/186,381 02.03.00 US

Filing date 2 March 2001

Wipo publication date 12 September 2001

Acceptance publication date 7 October 2004

International Classifications

E21B 017/00 Drilling rods or pipes

E21B 043/25 Obtaining fluids from wells - Methods for stimulating production

E21B 034/06 Valve arrangements for boreholes or wells

Event Publications

7 October 2004 Application Accepted

  Published as AU-B-2001243413

3 February 2005 Standard Patent Sealed

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