-
Wellbore seal device
-
Patent number 7,036,581
-
Issue date May 2, 2006
-
Allamon Interests
-
Kevin O. Trahan
-
E21 - EARTH DRILLING MINING
-
Drop ball catcher apparatus
-
Patent number 6,920,930
-
Issue date Jul 26, 2005
-
Allamon Interests
-
Jerry P. Allamon
-
E21 - EARTH DRILLING MINING
-
-
Float collar
-
Patent number 6,712,145
-
Issue date Mar 30, 2004
-
Allamon Interests
-
Jerry P. Allamon
-
E21 - EARTH DRILLING MINING
-
-
Float collar
-
Patent number 6,684,957
-
Issue date Feb 3, 2004
-
Allamon Interests
-
Jerry P. Allamon
-
E21 - EARTH DRILLING MINING
-