Stephen A. Cromar

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Aberdeen, GB

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Patents Grantslast 30 patents

Information Patent Grant
Logging with selective solidification of annular material
- Patent number 10,989,041
- Issue date Apr 27, 2021
- ConocoPhillips Company
- Stephen Cromar
- G01 - MEASURING TESTING
Information Patent Grant
Well abandonment using vibration to assist cement placement
- Patent number 10,883,336
- Issue date Jan 5, 2021
- ConocoPhillips Company
- Jean-Marie Prieur
- E21 - EARTH DRILLING MINING
Information Patent Grant
Casing tension retainer
- Patent number 5,240,076
- Issue date Aug 31, 1993
- ABB Vetco Gray Inc.
- Stephen A. Cromar
- E21 - EARTH DRILLING MINING
Information Patent Grant
Casing tensioning mechanism for a casing hanger
- Patent number 5,002,131
- Issue date Mar 26, 1991
- Vetco Gray Inc.
- Stephen A. Cromar
- E21 - EARTH DRILLING MINING
Information Patent Grant
Release apparatus and method for threaded conductor pipe
- Patent number 4,986,359
- Issue date Jan 22, 1991
- Vetco Gray Inc.
- Stephen A. Cromar
- E21 - EARTH DRILLING MINING
Information Patent Grant
Conductor tieback connector
- Patent number 4,819,967
- Issue date Apr 11, 1989
- Vetco Gray Inc.
- Ian D. Calder
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
LOGGING WITH SELECTIVE SOLIDIFICATION OF ANNULAR MATERIAL
- Publication number 20180313201
- Publication date Nov 1, 2018
- ConocoPhillips Company
- Stephen CROMAR
- E21 - EARTH DRILLING MINING
Information Patent Application
WELL ABANDONMENT USING VIBRATION TO ASSIST CEMENT PLACEMENT
- Publication number 20170016305
- Publication date Jan 19, 2017
- ConocoPhillips Company
- Jean-Marie PRIEUR
- E21 - EARTH DRILLING MINING