Rig: Valaris 8504

Name Valaris 8504
Owner Valaris PLC
Manager Valaris PLC
Rig Type Semisub
Sub Type Ultradeep Water
Jackup Type --
Max Water Depth (ft) 8500
Max Drill Depth (ft) 35000
Dimensions (ft) 255 x 240 x 45
Leg Length (ft) --
Competitive Yes

Current Location

Country --
Region --

Drilling Equipment

Drawworks Type National Oilwell Varco ADS 30Q
Drawworks HP 6000
Mud Pumps Type Lewco W-2215 Triplex
Top Drive National Oilwell Varco TDS-1000
Hookload Capacity (lbs) 2000000

Rig Construction Details

Rig Design ENSCO
Rig Model 8500
Year Built 2011
Country of Build Singapore
Yard Name Pioneer Yard I
Group Yard Name Keppel Offshore & Marine Ltd.

Rig Contract Details

Operating Status Retired


16 Jun 2011

Keppel to deliver fifth ENSCO 8500 Series® ultra-deepwater rig

Keppel FELS Limited (Keppel FELS) is on track to deliver ENSCO 8504, the fifth of seven ENSCO 8500 Series® ultra-deepwater semisubmersible drilling rigs being built exclusively for Ensco plc (NYSE: ESV). Keppel FELS expects to deliver the rig on time, within budget and with no lost time incidents. ENSCO 8504 has been contracted to TOTAL E&P Deep Offshore Borneo B.V. for deployment in Brunei.

6 May 2008

Keppel FELS secures order for a US$512 million rig from ENSCO

Keppel FELS Limited (Keppel FELS), a wholly-owned subsidiary of Keppel Offshore & Marine Limited (Keppel O&M), has secured a contract to build a US$512 million ultra-deepwater semisubmersible (semi) drilling rig from a subsidiary of ENSCO International Incorporated (ENSCO). To be delivered in the second half of 2011, the ENSCO 8504 will be the fifth consecutive semi that Keppel FELS is constructing for ENSCO. Mr Daniel W. Rabun, Chairman, President and CEO of ENSCO said, “We see the deepwater market as a significant catalyst for our future growth, and we are expanding our deepwater fleet to meet the sustained market demand. “We are very pleased that all five of our new ENSCO 8500 Series® semisubmersible rigs are being built by Keppel FELS. Having constructed all our recent newbuild jackups, Keppel FELS has been the largest contributor in helping us create our premier rig fleet.”

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