Inventor
ANGMAN PER G
CA34 patents
⚠️ This page may combine multiple inventors who share the name “ANGMAN PER G”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TESCO CORP
31 patentsUS7044241B2May 16, 2006
Method for drilling with casing
TESCO CORP87 citations98
US7013992B2Mar 21, 2006
Borehole stabilization while drilling
TESCO CORP63 citations98
US7909109B2Mar 22, 2011
Anchoring device for a wellbore tool
TESCO CORP45 citations97
US7878237B2Feb 1, 2011
Actuation system for an oilfield tubular handling system
TESCO CORP43 citations94
US7090004B2Aug 15, 2006
Cement float
TESCO CORP20 citations93
US7694730B2Apr 13, 2010
Spear type blow out preventer
TESCO CORP45 citations92
US7673675B2Mar 9, 2010
Pipe handling device and safety mechanism
TESCO CORP22 citations92
US7287584B2Oct 30, 2007
Anchoring device for a wellbore tool
TESCO CORP25 citations92
US7219727B2May 22, 2007
Wear resistant tubular connection
TESCO CORP29 citations92
US7140455B2Nov 28, 2006
Valve method for drilling with casing using pressurized drilling fluid
TESCO CORP30 citations92
US6585052B2Jul 1, 2003
Casing centralizer
TESCO CORP30 citations92
US6513223B1Feb 4, 2003
Method for installing a centralizer retaining collar and outer sleeve
TESCO CORP37 citations92
US7640984B2Jan 5, 2010
Method for drilling and casing a wellbore with a pump down cement float
TESCO CORP21 citations91
US7428927B2Sep 30, 2008
Cement float and method for drilling and casing a wellbore with a pump down cement float
TESCO CORP16 citations91
US7475742B2Jan 13, 2009
Method for drilling with casing
TESCO CORP18 citations89
US5755289AMay 26, 1998
Drilling rig elevator with replaceable clamping inserts and method for installation
TESCO CORP57 citations89
US7942199B2May 17, 2011
Method for installing wellbore string devices
TESCO CORP13 citations84
US7814972B2Oct 19, 2010
Wireline entry sub
TESCO CORP8 citations84
US7654313B2Feb 2, 2010
Method and assembly for casing handling using a kelly rig
TESCO CORP11 citations84
US7021382B2Apr 4, 2006
Downhole axial force generating tool
TESCO CORP18 citations84
US7784551B2Aug 31, 2010
Tubular handling device
TESCO CORP15 citations83
US7757764B2Jul 20, 2010
Method for drilling and casing a wellbore with a pump down cement float
TESCO CORP10 citations82
US7484559B2Feb 3, 2009
Method for drilling and casing a wellbore with a pump down cement float
TESCO CORP10 citations82
US7624820B2Dec 1, 2009
Method for drilling with casing
TESCO CORP13 citations80
US7237607B2Jul 3, 2007
Tubular stabbing protector and method
TESCO CORP13 citations79
US7472763B2Jan 6, 2009
Wear resistant tubular connection
TESCO CORP6 citations74
US7770635B2Aug 10, 2010
Wellbore tubular handling torque multiplier
TESCO CORP5 citations63
US7721798B2May 25, 2010
Wireline entry sub
TESCO CORP4 citations63
US7637330B2Dec 29, 2009
Casing bottom hole assembly retrieval process
TESCO CORP5 citations63
US7575061B2Aug 18, 2009
Wireline entry sub and method of using
TESCO CORP5 citations63
US8037932B2Oct 18, 2011
Pipe handling device and safety mechanism
TESCO CORP0 citations51