Rig: ENSCO 70

Name ENSCO 70
Owner Valaris PLC
Manager Valaris PLC
Rig Type Jackup
Sub Type Independent Leg Cantilever
Jackup Type Standard
Max Water Depth (ft) 250
Max Drill Depth (ft) 25000
Dimensions (ft) 230 x 250 x 23
Leg Length (ft) 388
Competitive Yes

Current Location

Country UK
Region NWECS

Drilling Equipment

Drawworks Type National Oilwell Varco 1625 UE
Drawworks HP 3000
Mud Pumps Type National Oilwell Varco 12-P-160 Triplex
Top Drive National Oilwell Varco TDS-4H
Hookload Capacity (lbs) 1500000

Rig Construction Details

Rig Design Hitachi Zosen
Rig Model K1032N
Year Built 1981
Country of Build Japan
Yard Name Ariake Shipyard
Group Yard Name Hitachi Zosen Corporation

Rig Contract Details

Operating Status Cold Stacked
Operator Maersk Oil & Gas

News

17 Feb 2015

Ensco stacks three jackups and announces contract cancellation for 'ENSCO 70'

Ensco Plc (“Ensco”) has announced that it is preparing to cold stack three US Gulf of Mexico (“GoM”) jackup rigs on the back of lower utilisation and oil price declines. In its fleet report update for February 2015, Ensco indicated that stacking operations have begun for the ENSCO 81, ENSCO 82 and ENSCO 99 jackup rigs. The cold stacking of the three units means that Ensco will now have a total of 10 units cold stacked including, four semisubs, one drillship and five jackups. Meanwhile the rig manager also announced that its Ensco 70 jackup had its future contract with Maersk Oil in Denmark cancelled due to delays associated with the unit’s previous contract with RWE Dea. The Ensco 70 is now ready stacked in the UK while Ensco market the unit for further work.

5 Feb 2015

RWE plugs Crosgan appraisal well

Sterling Resources Ltd (“Sterling”) has released an update on the Crosgan appraisal well 42/15b-3 in the UK Southern North Sea. The well has reached a total depth of 8,401 feet measured depth and has encountered gas bearing sands in the Carboniferous Yoredale Formation with 35 feet of pay in the targeted Whitby Sandstone and a further 26 feet of pay in various shallow sands within the overlying upper Carboniferous section. The well has encountered a gas-down-to (GDT) deeper than the gas-water contact observed in the offset 42/10b-2z well drilled in 1995. The Whitby formation, however, was encountered 265 feet deep to prognosis and the sand thickness is less than expected for the well. On completion of logging activities currently in progress, the well will be plugged and abandoned. Sterling Resources UK plc holds a 30% interest in the Crosgan Licence.

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