Patent Assignment
Reel/Frame 020325/0209
Release of Security Interest
Recorded: 2008-01-07
Received: 2008-01-07
Pages: 10
Assignor
LEHMAN COMMERCIAL PAPER, INC.
Executed: 2007-11-28
Assignee
KEY ENERGY SERVICES, INC.
1301 MCKINNEY STREET, SUITE 1800, HOUSTON, TX, 77010, UNITED STATES
Covered Properties
(23)
Apparatus and methodology of hydrostatically testing of oil field tubing and casing
Application:
11/087,366 →
Safemode Operating System for a Drilling or Service Rig
Application:
11/066,576 →
Activity Data Capture System for a Well Service Vehicle
Application:
10/957,309 →
Multiple Sensor for Preventing a Crown-Block Incursion on an Oil Well Rig
Application:
10/942,730 →
System for Assuring Engagement of a Hydromatic Brake on a Drilling or Well Service Rig
Application:
10/925,813 →
Ergonomics Safety Warning Device and Method to Prevent Clutch Burning
Application:
10/778,835 →
Warning Device and Method to Prevent Clutch Burning
Application:
10/778,846 →
Inventory Counter for Oil and Gas Wells
Application:
10/760,650 →
Crown out-floor out device for a well service rig
Application:
10/720,594 →
Method of Monitoring Service Operations of a Service Vehicle at a Well Site
Application:
10/440,633 →
Portable memory device for mobile workover rig
Application:
10/437,673 →
Method of Determining the Normal Evaporation Rate (Ner) and Vacuum Quality of a Cryogenic Liquid Container
Application:
10/397,796 →
Engine Speed Limiter for a Hoist
Application:
10/263,630 →
Servicing System for Wells
Application:
10/113,609 →
Tongs Monitor with Learning Mode
Application:
10/046,688 →
Method of Allocating Access Rights to a Telecommuications Channel to Subscriber Stations of a Telecommunications Network and Subscriber Station
Application:
09/914,967 →
Method of Monitoring Pumping Operations of a Service Vehicle at a Well Site
Application:
09/945,924 →
Method of managing workers at a well site
Application:
09/839,411 →
Method of Managing a Well File Record at a Well Site
Application:
09/839,444 →
Method of Monitoring Operations of Multiple Service Vehicles at a Well Site
Application:
09/838,857 →
Method of managing work orders at a well site
Application:
09/839,080 →
Method of managing billing information at a well site
Application:
09/839,103 →
Sucker Rod Tool
Application:
09/768,551 →