Derrel Gurley

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New Orleans, LA, US

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Patents Grantslast 30 patents

Information Patent Grant
Gravel packer and service tool
- Patent number 5,069,280
- Issue date Dec 3, 1991
- Dowell Schlumberger Incorporated
- L. Michael McKee
- E21 - EARTH DRILLING MINING
Information Patent Grant
Matched particle/liquid density well packing technique
- Patent number 4,850,430
- Issue date Jul 25, 1989
- Dowell Schlumberger Incorporated
- Claude T. Copeland
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and tool for controlling fluid flow from a tubing string int...
- Patent number 4,260,020
- Issue date Apr 7, 1981
- The Dow Chemical Company
- Wayne F. Nelson
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic releasing tool with plug
- Patent number 4,089,548
- Issue date May 16, 1978
- The Dow Chemical Company
- Derrel G. Gurley
- E21 - EARTH DRILLING MINING