Siems; Don

Patent Applications and Registrations

Patent applications and USPTO patent grants for Siems; Don.The latest application filed is for "method of formulating and using a drilling mud with fragile gels".

Company Profile

0.9.9

Siems; Don - Houston TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Diesel oil-based invert emulsion drilling fluids and methods of drilling boreholes Grant 7,696,131 - Oyler , et al. April 13, 2	2010-04-13
Method of drilling using invert emulsion drilling fluids Grant 7,645,723 - Kirsner , et al. January 12, 2	2010-01-12
Invert drilling fluids and methods of drilling boreholes Grant 7,547,663 - Kirsner , et al. June 16, 2	2009-06-16
Invert drilling fluids and methods of drilling boreholes Grant 7,534,743 - Kirsner , et al. May 19, 2	2009-05-19
Invert drilling fluids for use in drilling in subterranean formations Grant 7,488,704 - Kirsner , et al. February 10, 2	2009-02-10
Flat rheology drilling fluids Grant 7,462,580 - Kirsner , et al. December 9, 2	2008-12-09
Methods of drilling using flat rheology drilling fluids Grant 7,456,135 - Kirsner , et al. November 25, 2	2008-11-25
Method of formulating and using a drilling mud with fragile gels App 20080032900 - Kirsner; Jeff ; et al.	2008-02-07
Diesel oil-based invert emulsion drilling fluids and methods of drilling boreholes App 20080015118 - Oyler; Kenneth W. ; et al.	2008-01-17
Method of formulating and using a drilling mud with fragile gels Grant 7,278,485 - Kirsner , et al. October 9, 2	2007-10-09
Invert drilling fluids and methods of drilling boreholes App 20070082822 - Kirsner; Jeff ; et al.	2007-04-12
Invert drilling fluids and methods of drilling boreholes App 20070078062 - Kirsner; Jeff ; et al.	2007-04-05
Invert drilling fluids and methods of drilling boreholes App 20070078060 - Kirsner; Jeff ; et al.	2007-04-05
Invert drilling fluids and methods of drilling boreholes App 20070078061 - Kirsner; Jeff ; et al.	2007-04-05
Method of formulating and using a drilling mud with fragile gels Grant 6,887,832 - Kirsner , et al. May 3, 2	2005-05-03
Method of formulating and using a drilling mud with fragile gels App 20050032652 - Kirsner, Jeff ; et al.	2005-02-10
Invert drilling fluids and methods of drilling boreholes App 20030144153 - Kirsner, Jeff ; et al.	2003-07-31
Method of formulating and using a drilling mud with fragile gels App 20030064897 - Kirsner, Jeff ; et al.	2003-04-03

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