Inventor
PASTUSEK PAUL E
US43 patents
⚠️ This page may combine multiple inventors who share the name “PASTUSEK PAUL E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BAKER HUGHES INC
17 patentsUS5906245AMay 25, 1999
Mechanically locked drill bit components
BAKER HUGHES INC205 citations99
US5678645AOct 21, 1997
Mechanically locked cutters and nozzles
BAKER HUGHES INC161 citations99
US7604072B2Oct 20, 2009
Method and apparatus for collecting drill bit performance data
BAKER HUGHES INC53 citations97
US5495899AMar 5, 1996
Reamer wing with balanced cutting loads
BAKER HUGHES INC112 citations97
US7510026B2Mar 31, 2009
Method and apparatus for collecting drill bit performance data
BAKER HUGHES INC40 citations96
US7506695B2Mar 24, 2009
Method and apparatus for collecting drill bit performance data
BAKER HUGHES INC33 citations96
US7497276B2Mar 3, 2009
Method and apparatus for collecting drill bit performance data
BAKER HUGHES INC42 citations96
US5115873AMay 26, 1992
Method and appartus for directing drilling fluid to the cutting edge of a cutter
BAKER HUGHES INC51 citations96
US5979576ANov 9, 1999
Anti-whirl drill bit
BAKER HUGHES INC82 citations95
US5873422AFeb 23, 1999
Anti-whirl drill bit
BAKER HUGHES INC86 citations95
US5497842AMar 12, 1996
Reamer wing for enlarging a borehole below a smaller-diameter portion therof
BAKER HUGHES INC128 citations95
US7921937B2Apr 12, 2011
Drilling components and systems to dynamically control drilling dysfunctions and methods of drilling a well with same
BAKER HUGHES INC48 citations93
US5373908ADec 20, 1994
Chamfered cutting structure for downhole drilling
BAKER HUGHES INC39 citations93
US7849934B2Dec 14, 2010
Method and apparatus for collecting drill bit performance data
BAKER HUGHES INC24 citations92
USRE36817EAug 15, 2000
Method and apparatus for drilling and enlarging a borehole
BAKER HUGHES INC50 citations90
US7987925B2Aug 2, 2011
Method and apparatus for collecting drill bit performance data
BAKER HUGHES INC10 citations83
US7814998B2Oct 19, 2010
Superabrasive cutting elements with enhanced durability and increased wear life, and drilling apparatus so equipped
BAKER HUGHES INC16 citations80
REED ROCK BIT CO
6 patentsUS4444281AApr 24, 1984
Combination drag and roller cutter drill bit
REED ROCK BIT CO118 citations95
US4611673ASep 16, 1986
Drill bit having offset roller cutters and improved nozzles
REED ROCK BIT CO89 citations94
US4548280AOct 22, 1985
Drill bit having a failure indicator
REED ROCK BIT CO27 citations92
US4516642AMay 14, 1985
Drill bit having angled nozzles for improved bit and well bore cleaning
REED ROCK BIT CO52 citations91
US4381824AMay 3, 1983
Drill bit lubrication system
REED ROCK BIT CO20 citations82
US4558754ADec 17, 1985
Drill bit having angled nozzles
REED ROCK BIT CO23 citations81
REED TOOL CO
5 patentsUS4848476AJul 18, 1989
Drill bit having offset roller cutters and improved nozzles
REED TOOL CO92 citations96
US4741406AMay 3, 1988
Drill bit having offset roller cutters and improved nozzles
REED TOOL CO31 citations92
US4610313ASep 9, 1986
Drill bit having a failure indicator
REED TOOL CO26 citations92
US4546837AOct 15, 1985
Drill bit having angled nozzles for improved bit and well bore cleaning
REED TOOL CO32 citations91
US4688647AAug 25, 1987
Drill bit having a failure indicator
REED TOOL CO15 citations74
ERTAS MEHMET DENIZ
3 patentsUS8798978B2Aug 5, 2014
Methods to estimate downhole drilling vibration indices from surface measurement
ERTAS MEHMET DENIZ54 citations96
US8977523B2Mar 10, 2015
Methods to estimate downhole drilling vibration amplitude from surface measurement
ERTAS MEHMET DENIZ40 citations92
US10590759B2Mar 17, 2020
Zonal isolation devices including sensing and wireless telemetry and methods of utilizing the same
ERTAS MEHMET DENIZ1 citations62