Jasper Explorer Services
The JASPER EXPLORER is an Enhanced Pelican Class DP2 Drillship capable of operating in 5,000 ft. of water, drilling depths of up to 25,000 ft. and has accommodations for 139 personnel. The unit is equipped with Cyberbase Drilling Cabin, Varco TDS4H Top Drive and three (3) mud pumps National 12P160. The BOP stack is an 18 ¾” 10,000 psi which includes four (4) rams and two (2) annulars controlled by Cameron MUX III system.
Majority of the top side equipment including the Derrick, Crown Mounted Motion Compensator and Riser Tensioning System were replaced during the upgrading project in 2009. Rig Floor utilities were fitted with new Pipe Handling, Iron Roughneck, Manipulator Arms and Cherry Pickers for upgraded safety and performance capabilities.
General and Main Dimension |
Type |
DP2 Drillship |
Registry |
Singapore |
Upgraded |
2009 |
Design |
Upgraded Pelican Class |
Class |
DNV – DYNPOS AUTR |
Length o.a. |
165.30m |
Beam, Main |
Deck 29.75m |
Hull Depth |
12.50 m |
Summer Draft |
7.50 m (Excluding Thrusters) 11.40 m (Including Thrusters) |
Displacement, Summer |
20,141 mt |
Displacement, Lightship |
11,787 mt |
Variable Load |
8,354 mt |
Water Depth |
5,000 ft. |
Drilling Depth |
25,000 ft. |
Transit Speed |
9 knots |
Estimated Fuel Cons: |
Transit: 25 m3/ day DP mode: 45 m3/ day |
Helideck |
Suitable for Sikorsky S-92 or Similar; CAP 437 |
Accommodation |
Fully air-conditioned for 139 persons with galley, messes recreation rooms, offices and hospital |
Storage Capacity |
Riser Storage |
90 Joints of 50’ length (900 mt equivalent) |
Tubular Storage in holds |
1,140 mt |
Liquid Active |
105 m3 |
Liquid Reserve |
443 m3 |
Bulk Cement |
255 m3 |
Bulk Mud |
255 m3 |
Pipe Racks |
380 mt |
Sacks |
10,000 sacks |
Fuel |
3,325 m3 (90%) |
Drill Water |
2,297 m3 |
Potable Water |
487 m3 |
Brine: |
513 m3 |
Base Oil: |
476 m3 |
Drilling Equipment |
Derrick |
AKMH-Pyramid, height 180’ Base 52’ x 52’. Gross loading capacity 1,5m lbs |
Crown Block |
Aker-Kvaerner design 8 x 60” dia sheaves. Grooved for 1 ½ line. |
Travelling Block |
National 60” with 1 ½ line sheaves |
Heave Compensator |
Aker-Kvaerner Drill String Compensator Type 270/25 with 25’ Stroke and 1,300 kips load capacity |
Top Drive |
Varco TDS 4H |
Rotary Table |
National 49 ½” |
Drawworks |
National 1625 fitted with disk Brake DBS-3000 |
Hydraulic Roughneck 1 |
Aker Kvaerner MH-1899, make up torque 135Nm. Break up torque 169Nm (Rotary Center) |
Hydraulic Roughneck 2 |
NOV ST-120, make up torque 135Nm. Break up torque 162Nm (Offline Stand Building & Rotary Center) |
Hydraulic Cathead |
Aker Kvaerner, pneumatic controlled MK-1. Operating pull 140N, lug pull force 140N |
Pipe Handling System |
Patriot Knuckle Boom Crane, model PKM 1300T Max outreach 25 meters |
Drill Floor Manipulated Arm |
Patriot design with 4.5m of telescopic reach. Pipe sizes, 3 ½” to 50” |
Riser Tensioners |
NOV 4 x Dual 200 kips ea. total 1600 kips |
Stand Pipe Manifold |
5" x 3 1/16" Fill up/bleed-offline outlet; 2ea Outlet (Total), 5,000 psi WP |
Cementing Manifold |
3” ID, 10,000 psi WP |
Mud Pumps |
Three National 12-P-160. 5,000 psi WP fluid end. |
Shale Shakers |
4 x BEM MI-Swaco Shakers |
Desander |
16 cones and 3 cones |
Mud/Gas Separator |
Swaco Poor Boy |
Degasser |
Swaco CD-1400 |
Riser and Well Control Equipment |
BOP Stack |
x Cameron “U” 18 3/4” 10,000 psi double ram preventers, H2S trimmed |
Wellhead Connector |
Drill quip DX 15 Wellhead connector |
Riser Connector |
Cameron Model 70 Collet Connector. |
LMRP |
2 x Hydril 5,000 psi annular H2S trimmed |
Diverter |
Regan Type KFDS, nominal dia. 24" |
Slip Joint |
Cameron Dual Packer 55' stroke |
Marine Riser |
3500’ Vetco MR6-C plus 2000’ Vetco HMF-E Riser |
Ball Joint |
Regan DR1 |
BOP Control |
Cameron BOP Mux Control system. Mark 3 Pods |
Choke & Kill Manifold |
3 1/16” Manifold 10,000 psi W.P. with 2 Auto chokes & 1 manual adjustable choke |
Cranes |
Riser Gantry Crane |
Patriot, capacity 30T |
Port Crane |
1 x 110 tons capacity |
Stbd Crane |
1 x 40 tons capacity |
Aft Crane |
1 x 25 tons capacity |
Pipe Handling System |
Patriot Knuckle Boom Crane, model PKM 1300T Max outreach 25 meters |
Power Plant and Station Keeping |
Power Plant |
Five Wärtsilä W12 V32 engines ea. 5,100 kw at 720 rpm. Five Siemens alternators 4,600 kW ea. with 60 Hz and 6000V |
SCR System |
4 Siemens SCR’s at 1,250 AMP and 750 V DC 6 Siemens SCR’s at 1,050 AMP and 750 V DC |
Propulsion System |
Four AC motors connected to two Lips FPP delivering total 7,000 hp continuous |
Thrusters and Heading |
Five Lips tunnel thrusters (2 aft and 3 forward) ea. 1,350 kW Two Azimuth Thrusters (1 Stbd Forward and 1 Port aft) |
DP Control System |
Kongsberg-Simrad system for DP-2 operations, and CJoy |
DP Ref. System |
Dual redundant DGPS or equivalent; dual HiPAP system |