Methods to enhance the pneumatic handling characteristics of weighting agents

Details for Australian Patent Application No. 2007231724 (hide)

Owner M-I LLC

Inventors Matlock, Wayne; Burn, Andrew

Agent Pizzeys

Pub. Number AU-B-2007231724

Priority 60/864,243 03.11.06 US; 11/933,531 01.11.07 US

Filing date 2 November 2007

Wipo publication date 22 May 2008

Acceptance publication date 16 December 2010

International Classifications

E21B 43/22 (2006.01) Obtaining fluids from wells

C09K 8/05 (2006.01) Compositions for drilling of boreholes or wells

E21B 43/16 (2006.01) Obtaining fluids from wells - Enhanced recovery methods for obtaining hydrocarbons

E21B 43/28 (2006.01) Obtaining fluids from wells

E21B 43/29 (2006.01) Obtaining fluids from wells

Event Publications

22 November 2007 Complete Application Filed

  Priority application(s): 60/864,243 03.11.06 US; 11/933,531 01.11.07 US

7 February 2008 Amendment Made

  The nature of the amendment is: Amend the priority details to read 60/864,243 03 Nov 2006 US and 11/932,426 31 Oct 2007 US 2007237350 Nice SPA The nature of the amendment is: Amend the name of the co-inventor to read Furlanetto, Cristian

22 May 2008 Application Open to Public Inspection

  Published as AU-B-2007231724

16 December 2010 Application Accepted

  Published as AU-B-2007231724

14 April 2011 Standard Patent Sealed

Legal

The information provided by the Site not in the nature of legal or other professional advice. The information provided by the Site is derived from third parties and may contain errors. You must make your own enquiries and seek independent advice from the relevant industry professionals before acting or relying on any information contained herein. Check the above data against the Australian Patent Office AUSPAT database.

Next and Previous Patents/Applications

2007231725-Transfer of finely ground weight material

2007231723-Energy harvesting apparatus and method