Update on UKCS field development projects.pdf
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1、 Update on UKCS field development projects April 2009 A BRITBOSS Supplement Published by Noroil Publications www.noroil- NB Underlining denotes new information. 1 Approved projects 2 new approved projects (marked *). Field Auk North/Auk Redevelopment Area Central North Sea Operator Talisman Developm
2、ent concept Subsea Transport concept 11km pipeline to Fulmar Start-up 2011 Comments: Auk North project approved Jan 2009. Talisman plans to develop reserves at Auk North, on which it drilled a successful appraisal well in 2007, with three subsea production wells. In parallel, however, the company is
3、 seeking to sell the Auk and Fulmar assets, according to industry sources. Two of the wells will be drilled before start-up, which is now scheduled for 2011. In Jan semisub Ocean Princess began batch-drilling top-holes. The wells will be tied into a manifold which will be connected by an 8in reeled
4、pipeline to Fulmar, where the wellstream will go over the AD wellhead platform to the A platform for processing. Pipelay bids are under review. A riser caisson will be installed on AD, which will also house risers for a 6in electro-hydraulic umbilical and a 7in power cable which will supply 2.5MW of
5、 power to run downhole electric submersible pumps in the wells. The pipeline and cables will be separately trenched. Oil will be exported through Fulmars connection to Norpipe, while gas will be flared. Fabricom will perform topsides modifications. In parallel Talisman is planning to redevelop the m
6、ain Auk field, installing a new drilling rig, accommodation and power generation facilities and drilling up to nine new wells. Start-up is scheduled for 2011. This project has not yet been approved. Field Babbage Area Southern North Sea Operator E.ON Ruhrgas Development concept Platform Transport co
7、ncept 28km pipeline to West Sole Start-up Q4 2009 Comments: Approved Jan 2009. There will be up to five wells housed on a platform, three to be drilled prior to platform installation and up to two afterwards. All wells will be hydraulically fractured. Development drilling has been contracted to Tran
8、socean jackup Labrador work started in Apr and platform fabrication to SLP. The topsides will weigh 1,265t and the jacket 2,000t. Platform installation is understood to have been awarded to Heerema. Production will be exported via a 12in pipeline to BPs West Sole B platform Technip will perform pipe
9、lay around mid year. The platform will be manned for the drilling phase; once this is completed, the temporary living quarters, which will have about 30 beds, will be removed. A 2006 appraisal well will be recompleted as a producer. Reserves are estimated at 182 bcf and capex will be 200m. Field Dum
10、barton II Area Central North Sea Operator Maersk Development concept Subsea Transport concept 2km in-field pipeline to FPSO Start-up Oct 2009 Comments: Approved Aug 2008. Maersk is implementing a second phase of development of Dumbarton, whose official name according to DECC remains Donan. This call
11、s for a second drilling centre, located close to the first, which will consist of a subsea manifold with up to three subsea producers clustered around it, and a fourth remote producer tied back to it by a 4km, 8in flowline. All the producers will be gas-lifted. There will also be a produced water re
12、injection well, the third. The 70t, eight-slot manifold will be supplied by Framo. The manifold will be connected to the Dumbarton FPSO, Global Producer III, by a 14in pipeline. The drilling start has been delayed semisub Borgsten Dolphin drilled one well in Feb-Mar and has now switched to Lochranza
13、, a satellite field which will be tied back to the Dumbarton phase two manifold (see separate entry). Pipelay/subsea construction has been awarded to Acergy; the work will be performed between July and October. Vetco Gray will supply subsea trees and Duco the umbilical. An extension of the subsea co
14、ntrol system installed in phase one will be supplied by Aker Solutions. Award of a pipelay contract was imminent in late Mar. Maersk expects recovery of an estimated 72m bbl in phase II. Field Jacky Area Central North Sea Operator Ithaca Development concept Platform Transport concept 10km pipeline t
15、o Beatrice A Start-up Apr 2009 Comments: Approved Nov 2008 and came on stream in April 2009. Jacky, which holds an estimated 5m bbl and is located in part-block 12/21c on the outskirts of Beatrice, has been developed with a single production well housed in an unmanned wellhead platform. The well, a
16、recompleted appraisal from 2007, was tied in by jackup Energy Enhancer which began work in Mar, replacing jackup Ensco 92 which had been detained elsewhere. It is fitted with a downhole submersible pump supplied by Baker Centrilift. The platform, consisting of a 500t topsides and 900t jacket fabrica
17、ted by Dutch yard HSM, was installed by Heerema crane- barge Hermod in early Jan, after adverse weather defeated installation attempts by Bonn the work will be performed between July and October. Vetco Gray will supply subsea trees, Duco the umbilical and Aker Solutions the subsea controls. The well
18、s are being drilled by semisub Borgsten Dolphin, which started work in Apr. Field Ormonde Area Morecambe Bay Operator Eclipse Development concept 2 fixed platforms + jackup power generation platform Transport concept - Start-up Q4 2012 Comments: Approved Feb 2007. Eclipses novel project involves the
19、 development of gas reserves as part of an offshore wind energy scheme. Power generation capacity from gas will be 100MW and from wind 150MW increased from an original 108MW through an incremental project approved in Sept 2008. Start-up will be phased, with the 30-turbine wind farm due on stream in
20、Q4 2011 followed by gas production about a year later. Eclipse is now completely owned by Swedish energy company Vattenfall, which has approved funding for the wind farm project - letters of intent for equipment and services are continuing to be issued. Work on the substructures is already under way
21、 by Burntisland Fabrication. The tendering process is being managed by ODE. Turbines will be supplied by German company Repower Systems. Tendering for the gas development will start once Vattenfalls approval has been given this is expected shortly. Earliest start-up will be late 2012. Initially gas
22、will be produced from two wells drilled on Ormonde South and housed on a fixed wellhead platform; electricity will be generated by a gas turbine housed on a jackup platform. A subsea cable will transmit the power to an offshore sub-station and from there, together with power from the wind farm, to s
23、hore. When the first field is depleted, two wells on a wellhead platform on Ormonde North will be brought on stream. The same four-legged jacket structure will be used for the wellhead platforms as for the wind turbines. Field *Seven Seas Area Southern North Sea Operator Centrica Development concept
24、 Subsea Transport concept 8.2km pipeline to Newsham Start-up Q3 2009 Comments: Approved March 2008. Centrica is to develop Seven Seas, a small gas field discovered in 2007, with a single subsea well. This will be 48/7c-13y, a sidetrack in the discovery well, which will be recompleted for production
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