-
-
-
-
-
-
Pantograph underreamer
-
Patent number 6,722,452
-
Issue date Apr 20, 2004
-
CDX Gas, LLC
-
Monty H. Rial
-
E21 - EARTH DRILLING MINING
-
Pantograph underreamer
-
Patent number 6,644,422
-
Issue date Nov 11, 2003
-
CDX Gas, L.L.C.
-
Monty H. Rial
-
E21 - EARTH DRILLING MINING
-
Single-blade underreamer
-
Patent number 6,595,301
-
Issue date Jul 22, 2003
-
CDX Gas, LLC
-
Lawrence W. Diamond
-
E21 - EARTH DRILLING MINING
-
Multi-blade underreamer
-
Patent number 6,595,302
-
Issue date Jul 22, 2003
-
CDX Gas, LLC
-
Lawrence W. Diamond
-
E21 - EARTH DRILLING MINING
-
-
Pantograph underreamer
-
Patent number 6,575,255
-
Issue date Jun 10, 2003
-
CDX Gas, LLC
-
Monty H. Rial
-
E21 - EARTH DRILLING MINING