DG

Donald Getzlaf

NM Ncs Multistage: 14 patents #6 of 44Top 15%
HS Halliburton Energy Services: 5 patents #1,206 of 4,711Top 30%
Overall (All Time): #161,856 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
11697968 Casing float tool Marty Stromquist, John Ravensbergen, David Devlin, Douglas Braden, Travis Harris 2023-07-11
11180958 Casing float tool Marty Stromquist, John Ravensbergen, David Devlin, Douglas Braden, Travis Harris 2021-11-23
10883314 Casing float tool Marty Stromquist, John Ravensbergen, David Devlin, Douglas Braden, Travis Harris 2021-01-05
10883315 Casing float tool Marty Stromquist, John Ravensbergen, David Devlin, Douglas Braden, Travis Harris 2021-01-05
10487626 Fracturing valve and fracturing tool string John Ravensbergen, Douglas James Brunskill, Shawn Leggett 2019-11-26
10465445 Casing float tool Marty Stromquist, John Ravensbergen, David Devlin, Douglas Braden, Travis Harris 2019-11-05
10344561 Tools and methods for use in completion of a wellbore Marty Stromquist, Robert Nipper, Timothy H. Willems 2019-07-09
10227845 Tools and methods for use in completion of a wellbore Marty Stromquist, Robert Nipper, Timothy H. Willems 2019-03-12
9903182 Fracturing valve and fracturing tool string John Ravensbergen, Douglas James Brunskill, Shawn Leggett 2018-02-27
9745826 Tools and methods for use in completion of a wellbore Marty Stromquist, Robert Nipper, Timothy H. Willems 2017-08-29
9593542 Casing float tool Marty Stromquist, John Ravensbergen, David Devlin, Doulgas Braden, Travis Harris 2017-03-14
9334714 Downhole assembly with debris relief, and method for using same Marty Stromquist, Robert Nipper 2016-05-10
9303486 Tool assembly including an equalization valve Marty Stromquist 2016-04-05
9234412 Tools and methods for use in completion of a wellbore Marty Stromquist, Robert Nipper, Timothy H. Willems 2016-01-12
9140098 Downhole isolation and depressurization tool Marty Stromquist, John Ravensbergen, Lyle Laun, Eric Schmelzl 2015-09-22
8931559 Downhole isolation and depressurization tool Marty Stromquist, John Ravensbergen, Lyle Laun, Eric Schmelzl 2015-01-13
8794331 Tools and methods for use in completion of a wellbore Marty Stromquist, Robert Nipper, Timothy H. Willems 2014-08-05
8490702 Downhole tool assembly with debris relief, and method for using same Marty Stromquist, Robert Nipper 2013-07-23
8201631 Multi-functional isolation tool and method of use Marty Stromquist 2012-06-19
8163679 Method for applying remedial cement to a wellbore Marty Stromquist 2012-04-24
7285166 Zeolite-containing cement composition Karen Luke, B. Raghava Reddy, Russell M. Fitzgerald, Frank Zamora, Glen C. Fyten +3 more 2007-10-23
7147067 Zeolite-containing drilling fluids Karen Luke, Russell M. Fitzgerald 2006-12-12
7059409 Methods of cementing and cement compositions containing a polymeric cement cohesion additive Glen C. Fyten 2006-06-13
6989057 Zeolite-containing cement composition Karen Luke, Keith A. Rispler, Russell M. Fitzgerald, Glen C. Fyten 2006-01-24
6964302 Zeolite-containing cement composition Karen Luke, B. Raghava Reddy, Russell M. Fitzgerald, Frank Zamora, Glen C. Fyten +3 more 2005-11-15