Drill Rig Commissioned At Bethlehem-Beaumont
Bethlehem Steel Corporation's Beaumont, Texas, shipyard and Houston Offshore International, Inc., recently commissioned the second offshore drilling rig built by Bethlehem for this Houstonbased drilling contractor. The rig is the Sabine I I ; Mrs. David W. Kent, wife of Houston Offshore's vice president-operations, was the sponsor. Upon delivery, the rig will work in the Gulf of Mexico for Shell Oil Company.
During the commissioning, Houston Offshore president Jerry E. Chiles stated that his company had earlier signed a contract calling for construction of a duplicate of the Sabine II to be delivered in June 1981. That rig was designed by the Beaumont yard and will be built by Bethlehem's yard at Sparrows Point, Md. In addition, Mr. Chiles announced that Houston Offshore has signed a letter of intent for construction of another duplicate of Sabine II. This one will be built at Bethlehem's Singapore yard, also for delivery in June 1981.
The Sabine II is a mat-supported, jackup rig that features a cantilevered substructure. It offers the capability of being able to position its drill floor over existing offshore production platforms in order to drill developmental wells or to rework existing wells.
The rig consists of a platform measuring 157 feet by 132 feet supported by three 11-foot-diameter columns fixed to a large stabilizing mat that is 220 feet by 185 feet. Outfitted with deep-well drilling equipment, the rig will operate in waters up to 200 feet deep. It is capable of withstanding hurricane forces r e s u l t i ng from 100-knot winds and 60-foot seas. The Sabine II has onboard, air-conditioned living accommodations for 50 persons, complete with sleeping quarters, galley, r e c r e a t i o n area, and laundry rooms. It was built to comply with U.S. Coast Guard and American Bureau of Shipping standards for mobile offshore drilling units.
On location, the Sabine II will have a total variable load capacity of 4.5 million pounds, and will handle hook or rotary plus setback loads of one million pounds on wells as far as 35 feet aft of the platform deck. At a maximum outreach of 45 feet aft of the platform, the drill-floor load can be as high as 750,000 pounds.