| Istiglal |  |
Fleet Specifications
| Istiglal |
|
Semi - Submersible Drilling Rig |
General Description
| Design | Corall, Shelf Series Design |  |
|
| Built/Yard | 1991 / Astrakhan, Russia | ||
| Rebuilt/Yard | 1998 / CSC, Baku, Azerbaijan | ||
| Upgraded/Yard | 2016 / CSC, Baku, Azerbaijan | ||
| Dimensions | 301 ft. x 210 ft. | ||
| Normal operating draft | 47 ft. | ||
| Towing Draft | 19 ft. | ||
| Maximum variable load (drilling) | 2,999 mt | ||
| Quarters capacity | 145 persons | ||
| Operating water depth (as outfitted) | 1,558 ft. | ||
| Operating water depth (design) | 2,297 ft. |
Drilling Equipment
| Derrick | 177 ft. x 40 ft., x 18 ft Pyramid with static hook load capacity of 1,500,000 lbs. 26,600 ft. Drill Pipe capacity |
| Drawworks | Wirth GH2500-EG, directly driven by two GE 752 Hi-Torque motors, 2500 horsepower, regenerative braking system & Baylor 7040 electric brake |
| Rotary table | Wirth RTSS 49.5 in. with hydraulic drive. Capable of Max. continuos 25,832 ft/lb torque @ 20 rpm , Static load 800,000 lbs |
| Top Drive | MH DDM-650L-DC, 650 short ton, with GE 752 Hi-Torque DC motor. Rated at 50,400 ft./lbs. @ 120 rpm in low gear -17,687 ft./lbs. @ 237 rpm in high gear. Maritime Hydraulics Pipehandler |
| Pipe handling | MH 1862-10 Upper & Lower Racking Arms & Fingerboard |
| Motion compensator | Crown Mounted MH 270 - 25, rated at 600,000 lbs. |
| Mud Pumps | 3x Continental Emsco FC1600, 1600 hp. |
| Solids Control | Four Axiom AX-1 shale shakers Two Derrick FLS -200-28/258 scalpers |
Storage Capacities
| Liquid Mud | 2,575 bbl. (above deck tanks) |
| Base oil | 2,645 bbl. |
| Brine or Mud | 1,794 bbl. |
| Bulk Mud | 170 cubic meters |
| Bulk Cement | 146 cubic meters |
Power Equipment
| DC | 10 ABB, DCS800-A02-1500-07 maximum continuous power 10 x 1126kW, 750v |
| AC | Four Wartsila 6L32E engines each developing 4730hp at 750rpm, driving ABB/AMG 0710MR08LAE , 2646kW at 750rpm |
Subsea Equipment
| Riser | 1600 ft. Vetco MR6D 21 in. OD. 750 ft. equipped with Emerson-Cuming Ecco-Float Buoyancy Modules |
| Tensioners | Four Dual Maritime Hydraulics MH 3459-04 riser tensioners with 50 ft. stroke - rated at 240,000 lbs. each, six 16,000 lb. guideline pod line tensioners with 40 ft. stroke |
BOP Equipment
| Diverter System | Hydril FS 21-500, 49.5 in. with two 16 in. discharge lines & single remotely operated deflector valve |
| 18-3/4 in. BOP | TWO NOV/Shafer SL 10000psi annular preventer. One each triple NOV/Shafer NXT and double NOV/Shafer NXT 15000psi ram preventors, 5000psi accumulator system |
| Cranes | Three Dreco 72DNS-120, all with 120 ft. booms, Dynamically rated at 45 metric tons for the main block and 10.5 for the whip line |
| Mooring System | Mooring system change in text the anchor type and wire size Stevpris Mk6 12mt , on 86m wire |
| The Drilling History of "Istiglal" | |||
| Block | Well(s) | Client | Date of completion |
| Shakh Deniz | SDX-1 | BP Shakh Deniz | May 1, 1999 |
| Shakh Deniz | SDX-2 | BP Shakh Deniz | April 19, 2000 |
| Kurdashi | AD-1X | Agip / Azerbaijan | July 13, 2000 |
| Shakh Deniz | SDX-3 | BP Shakh Deniz | December 19, 2000 |
| Absheron | Absheron 1 | Chevron Overseas Pet. | July 18, 2001 |
| Inam | INX-1 | BP Inam | August 19, 2001 |
| Nakhchivan | Nakhchivan-1 | EAOC | February 20, 2002 |
| Shakh Deniz | Shakh Deniz Pilot hole and conductor trials | BP Shakh Deniz | April 24, 2002 |
| Shakh Deniz | Shakh Deniz Pilot hole | BP Shakh Deniz | March 9, 2007 |
| Shakh Deniz | SDA-1 template | BP Shakh Deniz | August 10, 2005 |
| Shakh Deniz | SDX-4 | BP Shakh Deniz | November 4, 2007 |
| Inam | INX-2 | BP Inam | May 12, 2008 |
| Shakh Deniz | SDX-5 | BP Shakh Deniz | July, 2009 |
| COP | J-01 | AIOC | June,3, 2010 (top hole) |
| Deep Water Guneshli | G-04 | AIOC | July 17, 2010 |
| Shakh Deniz | SDX-6 | BP Shakh Deniz | March 3, 2011 |
| Shakh Deniz | SDX-7 | BP Shakh Deniz | May 4, 2011 (abandoned) |
| Shakh Deniz | SDCP01 | BP Shakh Deniz | November 10, 2012 |
| Shakh Deniz | SDD02 | BP Shakh Deniz | February 12, 2013 |
| Shakh Deniz | SDCK01 | BP Shakh Deniz | August 26, 2013 |
| Shakh Deniz | SDX-7AZ | BP Shakh Deniz | September 14, 2013 |
| Shakh Deniz | SDX-6 | BP Shakh Deniz | November 20, 2013 |
| Shakh Deniz | SDX-7Ay | BP Shakh Deniz | January 21, 2014 |
| Shakh Deniz | SDX-7 | BP Shakh Deniz | May 26, 2014 |
| Shakh Deniz | SDC-03 | BP Shakh Deniz | February 22, 2015 |
| Shakh Deniz | SDC04z | BP Shakh Deniz | April 18, 2015 |
| Shakh Deniz | SDX-7A | BP Shakh Deniz | May 4, 2015 |
| Shakh Deniz | SDC-02 /SDC-03 | BP Shakh Deniz | May 5, 2015 |
| Shakh Deniz | SLOT 04 SDC 4 | BP Shakh Deniz | February 17, 2016 |
| Shakh Deniz | SDG02 (ES2) | BP Shakh Deniz | February 27, 2016 |
| Shakh Deniz | SDC 04z | BP Shakh Deniz | November 2016 |
| Shakh Deniz | SDC 03z | BP Shakh Deniz | February 2017 |
| Shakh Deniz | SDC 02z | BP Shakh Deniz | March 2017 |
| Shakh Deniz | SDD 01 | BP Shakh Deniz | September 2017 |
| Shakh Deniz | SDD 02 | BP Shakh Deniz | November 2017 |
| Shakh Deniz | SDD 03 | BP Shakh Deniz | January 2018 |
| Shakh Deniz | SDD 04 | BP Shakh Deniz | July 2018 |
| Shakh Deniz | SDG 02 | BP Shakh Deniz | September 2018 |
| Shakh Deniz | SDG 03 | BP Shakh Deniz | November 2018 |
| Shakh Deniz | SDG 01 | BP Shakh Deniz | February 2019 |
| Shakh Deniz | CDF 02 | BP Shakh Deniz | April 2019 |
| Shakh Deniz | CDF 02 | BP Shakh Deniz | June 2019 |
| Shakh Deniz | CDH 02z | BP Shakh Deniz | August 2019 |
| Shakh Deniz | CDH 01 | BP Shakh Deniz | October 2019 |
| Shakh Deniz | SDH 03 | BP Shakh Deniz | Dekabr 2019 |
| Shakh Deniz | CSDC 05 | BP Shakh Deniz | June 2020 |
| Shakh Deniz | SDF 03z | BP Shakh Deniz | February 2020 |
| Shakh Deniz | SDF 04 | BP Shakh Deniz | April 2020 |
| Shakh Deniz | ACE DGBH | BP Shakh Deniz | July 2021 |
| Shakh Deniz | SDF 03 | BP Shakh Deniz | August 2023 |
| Shakh Deniz | SDF 05 | BP Shakh Deniz | October 2023 |
| Shakh Deniz | SDH 03 | BP Shakh Deniz | January 2024 |
| Shakh Deniz | SDH 01 | BP Shakh Deniz | June 2024 |
| Shakh Deniz | SDH 02 | BP Shakh Deniz | September 2024 |
