Assignment of Assignor's Interest

Recorded: 2008-05-30 Received: 2008-05-30 Pages: 9

Assignor

NOBLE DRILLING SERVICES INC.

Executed: 2008-04-09

Assignee

SLIDER LIMITED LIABILITY COMPANY

2000 W. SAM HOUSTON PKWY S., SUITE 500, HOUSTON, TX, 77042, UNITED STATES

Covered Properties (4)

Method of and Apparatus for Directional Drilling

Application: 10/613,519 →

Continuous on-Bottom Directional Drilling Method and System

Application: 10/612,277 →

Post Mounting System and Method

Application: 10/426,442 →

Method of and Apparatus for Directional Drilling

Application: 10/325,639 →