Inventor · disambiguated record
Donald G. Reitsma
Also filed as: REITSMA DONALD G · REITSMA DONALD GORDON
10 granted patents·5 pending applications·306 citations·filing 2004–2016
91Inventor score
Technology areasE21B
Top patents by PatentIndex Score
15 records- 0195US7395878B2Drilling system and methodAT BALANCE AMERICAS LLC·Filed 2006·Granted Jul 8, 2008·93 cites·19 claims
- 0294US7562723B2Method for determining formation fluid entry into or drilling fluid loss from a borehole using a dynamic annular pressure control systemAT BALANCE AMERICAS LLC·Filed 2007·Granted Jul 21, 2009·74 cites·3 claims
- 0391US8567525B2Method for determining fluid control events in a borehole using a dynamic annular pressure control systemREITSMA DONALD G·Filed 2010·Granted Oct 29, 2013·19 cites·8 claims
- 0486US7350597B2Drilling system and methodAT BALANCE AMERICAS LLC·Filed 2004·Granted Apr 1, 2008·75 cites·20 claims
- 0585US9429007B2Managed pressure drilling with rig heave compensationREITSMA DONALD G·Filed 2012·Granted Aug 30, 2016·10 cites·19 claims
- 0682US8844633B2Method for maintaining wellbore pressureREITSMA DONALD G·Filed 2011·Granted Sep 30, 2014·8 cites·19 claims
- 0781US8757272B2Method and apparatus for precise control of wellbore fluid flowCOUTURIER YAWAN·Filed 2010·Granted Jun 24, 2014·11 cites·19 claims
- 0872US7828081B2Method of drilling a lossy formationAT BALANCE AMERICAS LLC·Filed 2005·Granted Nov 9, 2010·14 cites·18 claims
- 0962US9284799B2Method for drilling through nuisance hydrocarbon bearing formationsREITSMA DONALD G·Filed 2011·Granted Mar 15, 2016·2 cites·15 claims
- 1053US10132129B2Managed pressure drilling with rig heave compensationSMITH INTERNATIONAL·Filed 2016·Granted Nov 20, 2018·0 cites·18 claims
- 1143US2014158239A1Continuous circulation valveMI LLC·Filed 2013·Application pending·0 cites
- 1237US2007246263A1Pressure Safety System for Use With a Dynamic Annular Pressure Control SystemREITSMA DONALD G·Filed 2007·Application pending·0 cites
- 1337US2007227774A1Method for Controlling Fluid Pressure in a Borehole Using a Dynamic Annular Pressure Control SystemREITSMA DONALD G·Filed 2007·Application pending·0 cites
- 1436US2010186960A1Wellbore annular pressure control system and method using accumulator to maintain back pressure in annulusREITSMA DONALD G·Filed 2010·Application pending·0 cites
- 1534US2018073314A1Mud lift drilling system using ejector assembly in mud return lineREITSMA DONALD G·Filed 2015·Application pending·0 cites
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