ROLL-A-MATIC
Filed: July 12, 1982
Well Tool for Use in Oil Well Drilling-Namely, a Shock Absorber Placed in a Drill String to Control Vibrations
Owned by: DAILEY PETROLEUM SERVICES CORP.
Serial Number: 73374053
DAILEY
Filed: March 19, 1984
DOWNHOLE DRILLING TOOLS AND PARTS THEREFOR
Owned by: DAILEY PETROLEUM SERVICES CORP.
Serial Number: 73470787
DAILEY
Filed: March 26, 1984
DOWNHOLE DRILLING TOOLS AND PARTS THEREFOR
Owned by: DAILEY PETROLEUM SERVICES CORP.
Serial Number: 73472264
DAILEY DIRECTIONAL DAILEY PETROLEUM SERVICES CORP. WNES
Filed: September 19, 1991
oil and gas well drilling for others
Owned by: DAILEY PETROLEUM SERVICES CORP.
Serial Number: 74204778
COMPU-CURV
Filed: November 15, 1995
engineering services, namely planning, supervising, and analyzing directional drilling operations
Owned by: DAILEY PETROLEUM SERVICES CORP.
Serial Number: 75020393
CBC-THRUSTER
Filed: December 5, 1995
downhole drilling tools, namely, devices utilizing hydraulic pressure to maintain constant weight on a drill bit
Owned by: DAILEY PETROLEUM SERVICES CORP.
Serial Number: 75027943
