| 词条 | Douglas Complex |
| 释义 |
| name = Douglas Field | region = East Irish Sea Basin | country = United Kingdom | coordinates = {{Coord|53.5380|-3.5768|display=title|region:GB_scale:100000}} | locblock = UK Block 110/13 | offonshore = offshore | operator = Eni | partners = | image = | caption = | discovery = 1990 | startofproduction = February 1996 | est_oil_bbl = 225 | producingformations = Triassic Helsby Sandstone Formation }} The Douglas Complex is a {{convert|54|m|ft|adj=on}} high system of three linked platforms in the Irish Sea, {{convert|24|km}}[1] off the North Wales coast. The Douglas oil field was discovered in 1990, and production commenced in 1996. Now operated by Eni, the complex consists of the wellhead platform, which drills into the seabed, a processing platform, which separates oil, gas and water, and thirdly an accommodation platform, which is composed of living quarters for the crew. This accommodation module was formerly the Morecambe Flame jack-up drilling rig. The Douglas Complex is also the control hub for other platforms in the area, and provides power for all platforms. It also offers recreational, catering and medical facilities for up to 80 personnel.[2] Oil from the Lennox, Hamilton, and Hamilton North unmanned satellite platforms is received and blended at the complex.[3] Fluids from the Lennox installation via the gas pipeline are treated on the Douglas installation in the 3-phase (oil, gas and produced water) Lennox Production Separator.[4] Following separation, gas flows to the Offgas Compressor suction manifold. Oil is directed to the Oil Stripper where the liquid is stripped of sour gas using a counter-current flow of stripping gas. Produced water from the separator is directed to the Produced Water Hydrocyclones where hydrocarbon liquids are removed prior to overboard disposal. Well fluids from the Douglas Wellhead tower are treated in the 3-phase Douglas Production Separator. Gas flows to the Offgas Compressor suction manifold and hydrocarbon liquids are directed to the Oil Stripper, and water to hydrocyclones as described above. Oil from the Oil Stripper is pumped by the Oil Transfer Pumps via Fiscal metering to the Main Oil Transfer Pumps to tanker loading. Gas from the Oil Stripper is compressed and sent to the Offgas Compressor.[4] Gas is sent through a pipeline {{convert|33.5|km|adj=on}} long to a processing plant at Point of Ayr, in Flintshire, North Wales. After processing, almost the entire output is sold to E.ON to fire the combined cycle gas turbine power station at Connah's Quay, on Deeside, in Flintshire. Oil produced in Liverpool Bay is sent through another pipeline, 17 km long, to the Offshore Storage Installation, a permanently anchored barge which acts as a floating oil terminal, capable of holding {{bbl to t|870|mlt=k}} of oil. From the floating terminal oil is transferred to tankers approximately once every month.[2] See also{{Portal|Energy}}
References1. ^{{cite web| url=http://www.offshore-technology.com/projects/bhp/bhp1.html| title=Offshore Liverpool Bay Development| work=Offshore Technology| accessdate=2007-12-03}} 2. ^1 {{cite web| url=http://www.prestatyn.org.uk/offshore.industry/| title=Offshore Industry| work=Virtual Prestatyn| accessdate=2007-12-03| archiveurl = https://web.archive.org/web/20071024180755/http://www.prestatyn.org.uk/offshore.industry/| archivedate = October 24, 2007}} 3. ^{{cite news| url= http://www.engineeringtalk.com/news/avt/avt113.html| archiveurl= https://web.archive.org/web/20110522043202/http://www.engineeringtalk.com/news/avt/avt113.html| archivedate= 2011-05-22| title= Hazardous area instrumentation is all at sea | work= Engineering Talk | date=2006-05-09 | accessdate=2007-12-12}} 4. ^1 PFD Separation and Stripping, undated External links
3 : Oil platforms|Oil fields of the United Kingdom|Irish Sea |
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