Inventor · disambiguated record
Mark W. Dykstra
Also filed as: DYKSTRA MARK W · DYKSTRA MARK WILLIAM
27 granted patents·1 pending application·1,700 citations·filing 1997–2018
98Inventor score
Top patents by PatentIndex Score
28 records- 0198US7096978B2Drill bits with reduced exposure of cuttersBAKER HUGHES INC·Filed 2005·Granted Aug 29, 2006·109 cites·20 claims
- 0297US7395882B2Casing and liner drilling bitsBAKER HUGHES INC·Filed 2004·Granted Jul 8, 2008·154 cites·86 claims
- 0396US6460631B2Drill bits with reduced exposure of cuttersBAKER HUGHES INC·Filed 2000·Granted Oct 8, 2002·161 cites·83 claims
- 0496US6408958B1Superabrasive cutting assemblies including cutters of varying orientations and drill bits so equippedBAKER HUGHES INC·Filed 2000·Granted Jun 25, 2002·212 cites·40 claims
- 0595US6779613B2Drill bits with controlled exposure of cuttersBAKER HUGHES INC·Filed 2002·Granted Aug 24, 2004·118 cites·41 claims
- 0694US6298930B1Drill bits with controlled cutter loading and depth of cutBAKER HUGHES INC·Filed 1999·Granted Oct 9, 2001·200 cites·59 claims
- 0791US8172008B2Drilling apparatus with reduced exposure of cutters and methods of drillingDYKSTRA MARK W·Filed 2011·Granted May 8, 2012·11 cites·21 claims
- 0891US6883623B2Earth boring apparatus and method offering improved gage trimmer protectionBAKER HUGHES INC·Filed 2002·Granted Apr 26, 2005·132 cites·51 claims
- 0990US8006785B2Casing and liner drilling bits and reamersBAKER HUGHES INC·Filed 2008·Granted Aug 30, 2011·24 cites·69 claims
- 1090US6935441B2Drill bits with reduced exposure of cuttersBAKER HUGHES INC·Filed 2004·Granted Aug 30, 2005·65 cites·24 claims
- 1190US6173797B1Rotary drill bits for directional drilling employing movable cutters and tandem gage pad arrangement with active cutting elements and having up-drill capabilityBAKER HUGHES INC·Filed 1998·Granted Jan 16, 2001·142 cites·29 claims
- 1289US8167059B2Casing and liner drilling shoes having spiral blade configurations, and related methodsOLDHAM JACK T·Filed 2011·Granted May 1, 2012·8 cites·20 claims
- 1385US7814990B2Drilling apparatus with reduced exposure of cutters and methods of drillingBAKER HUGHES INC·Filed 2006·Granted Oct 19, 2010·16 cites·46 claims
- 1483US10577914B2Optimizing performance of a drilling assemblySHELL OIL CO·Filed 2018·Granted Mar 3, 2020·3 cites·16 claims
- 1582US9938816B2Optimizing performance of a drilling assemblySHELL OIL CO·Filed 2013·Granted Apr 10, 2018·9 cites·25 claims
- 1682US8066084B2Drilling apparatus with reduced exposure of cutters and methods of drillingDYKSTRA MARK W·Filed 2010·Granted Nov 29, 2011·5 cites·24 claims
- 1782US6321862B1Rotary drill bits for directional drilling employing tandem gage pad arrangement with cutting elements and up-drill capabilityBAKER HUGHES INC·Filed 1998·Granted Nov 27, 2001·84 cites·63 claims
- 1881US8225887B2Casing and liner drilling shoes with portions configured to fail responsive to pressure, and related methodsOLDHAM JACK T·Filed 2011·Granted Jul 24, 2012·4 cites·21 claims
- 1981US8205693B2Casing and liner drilling shoes having selected profile geometries, and related methodsOLDHAM JACK T·Filed 2011·Granted Jun 26, 2012·4 cites·21 claims
- 2077US7000715B2Rotary drill bits exhibiting cutting element placement for optimizing bit torque and cutter lifeBAKER HUGHES INC·Filed 2002·Granted Feb 21, 2006·50 cites·99 claims
- 2176US8225888B2Casing shoes having drillable and non-drillable cutting elements in different regions and related methodsOLDHAM JACK T·Filed 2011·Granted Jul 24, 2012·3 cites·21 claims
- 2275US6397958B1Reaming apparatus and method with ability to drill out cement and float equipment in casingBAKER HUGHES INC·Filed 2000·Granted Jun 4, 2002·51 cites·79 claims
- 2374US6230828B1Rotary drilling bits for directional drilling exhibiting variable weight-on-bit dependent cutting characteristicsBAKER HUGHES INC·Filed 1997·Granted May 15, 2001·58 cites·53 claims
- 2471US6443249B2Rotary drill bits for directional drilling exhibiting variable weight-on-bit dependent cutting characteristicsBAKER HUGHES INC·Filed 2001·Granted Sep 3, 2002·33 cites·14 claims
- 2567US8296114B2System, program product, and related methods for bit design optimization and selectionPRASAD UMESH·Filed 2009·Granted Oct 23, 2012·11 cites·12 claims
- 2666US8297380B2Casing and liner drilling shoes having integrated operational components, and related methodsOLDHAM JACK T·Filed 2011·Granted Oct 30, 2012·1 cites·17 claims
- 2754US6006845ARotary drill bits for directional drilling employing tandem gage pad arrangement with reaming capabilityBAKER HUGHES INC·Filed 1997·Granted Dec 28, 1999·32 cites·24 claims
- 2839US2016230523A9Mechanized slot drillingSHELL OIL CO·Filed 2014·Application pending·0 cites
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