For Sale: 3x Ensco 8500 Semi-Submersible Rigs (2010, 2011, 2012) | Deepwater Drilling

9th May 2025 -

THREE ENSCO 8500 SERIES SEMI-SUBMERSIBLE RIGS FOR SALE

Three High-Specification Ensco 8500 Series Semi-Submersible Drilling Rigs Available

SHER Worldwide is pleased to offer for sale three (3) distinct, high-quality Ensco 8500 Series Semi-Submersible Drilling Rigs. These modern, capable rigs were specifically built in 2010, 2011, and 2012 at the renowned KFELS Shipyard in Singapore. Each rig is a separate, valuable asset and is available for immediate inquiries through SHER Worldwide.

These versatile rigs are designed for demanding deepwater drilling operations, are classified by ABS, fly the Liberian flag, and are equipped with state-of-the-art NOV drilling systems and Hydril subsea systems. Below are the detailed specifications for each of the three rigs available:

Rig 1 Specifications (Built 2010):

Design: Ensco 8500 Series
Build Year: 2010
Shipyard: KFELS Singapore
Classification: ABS
Flag: Liberia
DP Class: DP-2
Subsea System: Hydril
Drilling Systems: NOV
Rated Max. Water Depth: 8,500 ft
Max. Drilling Depth: 37,500 ft
Variable Deck Load: 7,500 T
Accommodations: 150 persons
Pontoons: 310L x 56W x 24ft
Columns: (4) columns, 45ft x 50ft
Main Deck elevation above baseline: 97ft
Moonpool Opening: 30ft x 120ft
Emergency Power: 1,476 hp
Mooring Winches: (4) Broehl 460,000 lbs
Main Engines: (7) EMD 20-710-G7C 25,742 kW total
Thrusters: (8) Flowserve-Pleuger Azimuthing, 3,500 hp each
Derrick: 2,000,000 lbs
Top Drives: (1) NOV TDS-1000A
Rotary Table: (1) 60½ inch
Motion Compensator: CMC H-1000-25
Drawworks: (1) NOV ADS-300 6,000 hp
Iron Roughnecks: (1) NOV ST-120
Heliport: Sikorsky S61 or S92
Diesel Fuel Oil Capacity: 16,700 bbl
Drillwater Capacity: 14,000 bbl
Liquid Mud Capacity: 16,250 bbl
Bulk Storage (Barite): 382 m³
Bulk Storage (Cement): 382 m³
Fresh Water Capacity: 1,570 bbl
Base Oil Capacity: 1,704 bbl
Brine/Completion Fluid Capacity: 2,130 bbl
Mud Pumps: (4) Lewco W-2215, 2200 hp each
Mud System Pressure: 7,500 psi
Shale Shakers: (6) Derrick FLC-514, 900 gpm each
BOP Stack #1: 18¾ 15,000 psi (6) ram stack with (2) 18¾ 10,000 psi annulars
Control System: Hydril Mux
Diverter: 60 inch 500 psi
Choke Manifold: 15,000 psi with 2 adjustable chokes and 2 power chokes
Riser: 21 inch OD Dril Quip flanged riser, 75ft each
Riser Tensioning: (10) NOV Hydralift, 250,000 lbs each
Riser Length: 8500ft
Riser Handling: (1) NOV Riser Gantry Crane 2x27-75
Cranes: (2) Seatrax 160ft boom, 97 T
Tubular Handling: Catwalk, HTV, bridge racker, racking guide arm, and utilizes GC for deck handling
BOP Handling: (1) NOV BOP Carrier rated 400 MT for BOP & 750 MT for Riser Hangoff
Xmas Tree Handling: (1) NOV Xmas Tree carrier 150 MT
Additional Handling: (1) NOV Xmas Tree Skid
Lifeboats: (4) 75 person
Rescue Boat: (1) 160 hp

Rig 2 Specifications (Built 2011):

Design: Ensco 8500 Series
Build Year: 2011
Shipyard: KFELS Singapore
Classification: ABS
Flag: Liberia
DP Class: DP-2
Subsea System: Hydril
Drilling Systems: NOV
Rated Max. Water Depth: 8,500 ft
Max. Drilling Depth: 37,500 ft
Variable Deck Load: 7,500 T
Accommodations: 150 persons
Pontoons: 310L x 56W x 24ft
Columns: (4) columns, 45ft x 50ft
Main Deck elevation above baseline: 97ft
Moonpool Opening: 30ft x 120ft
Emergency Power: 1,476 hp
Mooring Winches: (4) Broehl 460,000 lbs
Main Engines: (7) EMD 20-710-G7C 25,742 kW total
Thrusters: (8) Flowserve-Pleuger Azimuthing, 3,500 hp each
Derrick: 2,000,000 lbs
Top Drives: (1) NOV TDS-1000A
Rotary Table: (1) 60½ inch
Motion Compensator: CMC H-1000-25
Drawworks: (1) NOV ADS-300 6,000 hp
Iron Roughnecks: (1) NOV ST-120
Heliport: Sikorsky S61 or S92
Diesel Fuel Oil Capacity: 16,700 bbl
Drillwater Capacity: 14,000 bbl
Liquid Mud Capacity: 16,250 bbl
Bulk Storage (Barite): 382 m³
Bulk Storage (Cement): 382 m³
Fresh Water Capacity: 1,570 bbl
Base Oil Capacity: 1,704 bbl
Brine/Completion Fluid Capacity: 2,130 bbl
Mud Pumps: (4) Lewco W-2215, 2200 hp each
Mud System Pressure: 7,500 psi
Shale Shakers: (6) Derrick FLC-514, 900 gpm each
BOP Stack #1: 18¾ 15,000 psi (6) ram stack with (2) 18¾ 10,000 psi annulars
Control System: Hydril Mux
Diverter: 60 inch 500 psi
Choke Manifold: 15,000 psi with 2 adjustable chokes and 2 power chokes
Riser: 21 inch OD Dril Quip flanged riser, 75ft each
Riser Tensioning: (10) NOV Hydralift, 250,000 lbs each
Riser Length: 8500ft
Riser Handling: (1) NOV Riser Gantry Crane 2x27-75
Cranes: (2) Seatrax 160ft boom, 97 T
Tubular Handling: Catwalk, HTV, bridge racker, racking guide arm, and utilizes GC for deck handling
BOP Handling: (1) NOV BOP Carrier rated 400 MT for BOP & 750 MT for Riser Hangoff
Xmas Tree Handling: (1) NOV Xmas Tree carrier 150 MT
Additional Handling: (1) NOV Xmas Tree Skid
Lifeboats: (4) 75 person
Rescue Boat: (1) 160 hp

Rig 3 Specifications (Built 2012):

Design: Ensco 8500 Series
Build Year: 2012
Shipyard: KFELS Singapore
Classification: ABS
Flag: Liberia
DP Class: DP-2
Subsea System: Hydril
Drilling Systems: NOV
Rated Max. Water Depth: 8,500 ft
Max. Drilling Depth: 37,500 ft
Variable Deck Load: 7,500 T
Accommodations: 150 persons
Pontoons: 310L x 56W x 24ft
Columns: (4) columns, 45ft x 50ft
Main Deck elevation above baseline: 97ft
Moonpool Opening: 30ft x 120ft
Emergency Power: 1,476 hp
Mooring Winches: (4) Broehl 460,000 lbs
Main Engines: (7) EMD 20-710-G7C 25,742 kW total
Thrusters: (8) Flowserve-Pleuger Azimuthing, 3,500 hp each
Derrick: 2,000,000 lbs
Top Drives: (1) NOV TDS-1000A
Rotary Table: (1) 60½ inch
Motion Compensator: CMC H-1000-25
Drawworks: (1) NOV ADS-300 6,000 hp
Iron Roughnecks: (1) NOV ST-120
Heliport: Sikorsky S61 or S92
Diesel Fuel Oil Capacity: 16,700 bbl
Drillwater Capacity: 14,000 bbl
Liquid Mud Capacity: 16,250 bbl
Bulk Storage (Barite): 382 m³
Bulk Storage (Cement): 382 m³
Fresh Water Capacity: 1,570 bbl
Base Oil Capacity: 1,704 bbl
Brine/Completion Fluid Capacity: 2,130 bbl
Mud Pumps: (4) Lewco W-2215, 2200 hp each
Mud System Pressure: 7,500 psi
Shale Shakers: (6) Derrick FLC-514, 900 gpm each
BOP Stack #1: 18¾ 15,000 psi (6) ram stack with (2) 18¾ 10,000 psi annulars
Control System: Hydril Mux
Diverter: 60 inch 500 psi
Choke Manifold: 15,000 psi with 2 adjustable chokes and 2 power chokes
Riser: 21 inch OD Dril Quip flanged riser, 75ft each
Riser Tensioning: (10) NOV Hydralift, 250,000 lbs each
Riser Length: 8500ft
Riser Handling: (1) NOV Riser Gantry Crane 2x27-75
Cranes: (2) Seatrax 160ft boom, 97 T
Tubular Handling: Catwalk, HTV, bridge racker, racking guide arm, and utilizes GC for deck handling
BOP Handling: (1) NOV BOP Carrier rated 400 MT for BOP & 750 MT for Riser Hangoff
Xmas Tree Handling: (1) NOV Xmas Tree carrier 150 MT
Additional Handling: (1) NOV Xmas Tree Skid
Lifeboats: (4) 75 person
Rescue Boat: (1) 160 hp

Your Questions Answered:

Q: How many Ensco 8500 Series rigs are available? A: We have three (3) individual Ensco 8500 Series Semi-Submersible Drilling Rigs available for sale.

Q: What are their build years? A: The rigs were built in 2010, 2011, and 2012.

Q: Where were they built? A: All three were built at the renowned KFELS Shipyard in Singapore.

Q: Where can I find the specifications for each rig? A: Detailed specifications for the 2010, 2011, and 2012 built rigs are listed separately above.

Q: What is their classification and DP status? A: All three rigs are classified by ABS and are rated as DP-2 class vessels.

Q: What is the asking price for these rigs? A: The asking price will be revealed to very serious & committed buyers only upon full business & background disclosure.

Q: What is required from interested buyers? A: Please see the "COMMITMENT REQUIRED" section below.

COMMITMENT REQUIRED: To ensure mutual respect for time and resources, we require:

Clear Budget Levels: Aligned with international market rates.
End Buyer Background Disclosure: Serious named buyers only.

EMail: "Mr.Sher (VESSELS) Singapore - Malaysia - S&P" <sw@sher-worldwide.com>

/ "Mr.Sher (VESSELS) Singapore - Malaysia - S&P"<sherworldwidetrading@gmail.com>

T&Cs apply as per website. Details believed correct at the time of advertising. Vessels/items offered “as is where is,” subject to prior sale or withdrawal. SW not liable for errors or omissions and reserves the right to amend contents without notice.

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