4 -26-2008 4 -26-2008 Mohamed Khalaf Mohamed Khalaf 1 1 Oil Flow Oil Flow Diagram Diagram Primary separation on platform ( Primary separation on platform ( off shore). off shore). Oil come from platform separator Oil come from platform separator through 12 through 12 ” ” pipeline to onshore pipeline to onshore (4bar & 42°c) with length 4300m. (4bar & 42°c) with length 4300m. Oil pass through heat exchanger Oil pass through heat exchanger (E1)to give output temp.( 56°c). (E1)to give output temp.( 56°c).
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Primary separation on platform ( off Primary separation on platform ( off shore).shore).
Oil come from platform separator Oil come from platform separator through 12through 12”” pipeline to onshore (4bar pipeline to onshore (4bar & 42°c) with length 4300m.& 42°c) with length 4300m.
Oil pass through heat exchanger Oil pass through heat exchanger (E1)to give output temp.( 56°c).(E1)to give output temp.( 56°c).
Oil enter onshore separator(3bar) to Oil enter onshore separator(3bar) to separate liquid from gas.separate liquid from gas.
Gas from top goes to gas lift stream.Gas from top goes to gas lift stream. Liquid pass to flow tank to perform Liquid pass to flow tank to perform better separation(1bar).better separation(1bar). Gas exit from the top of the flow tank Gas exit from the top of the flow tank
to low flare.to low flare. Oil exit to 3 feed pumps (only one Oil exit to 3 feed pumps (only one
Oilywater from flow tank pass Oilywater from flow tank pass through pump (output 4bar)to through pump (output 4bar)to W.W.T.P.W.W.T.P.
Oil exit from pump pass through heat Oil exit from pump pass through heat exchanger(E2)but itexchanger(E2)but it’’s out of service.s out of service.
Oil enter the heater with (58°c & Oil enter the heater with (58°c & 20bar) to raise it20bar) to raise it’’s temp. to (90°c s temp. to (90°c &19bar). &19bar).
11st st desalter (90°c &18bar).desalter (90°c &18bar). 22nd nd desalter (80°c&17bar).desalter (80°c&17bar). Oil exit from the 2Oil exit from the 2nd nd desalter from itdesalter from it’’s s
top with(80°c&10bar).top with(80°c&10bar). 0il then pass again to heat 0il then pass again to heat
exchanger (E2)but itexchanger (E2)but it’’s out of service.s out of service. Oil pass through heat exchanger Oil pass through heat exchanger
(E1)to cool oil coming from off shore.(E1)to cool oil coming from off shore.
Sea water intake through pump Sea water intake through pump (24°c & 11bar)(24°c & 11bar)
The sea water go to electro The sea water go to electro chlorination to remove bacteria, then chlorination to remove bacteria, then pump it (3bar) to 3 filters to filter pump it (3bar) to 3 filters to filter water from impurities.water from impurities.
Two filters work & the other under Two filters work & the other under back washing every 8 hrs.back washing every 8 hrs.
Water Injection Plant (Cont.)Water Injection Plant (Cont.)
Inject biocide (anti bacteria).Inject biocide (anti bacteria). Inject polymer electrolyte to Inject polymer electrolyte to
coalescence the impurities & settle it coalescence the impurities & settle it down.down.
Water out from the bottom of filters.Water out from the bottom of filters. Antifoam is injected to sea water line Antifoam is injected to sea water line
before water entrance to vacuum before water entrance to vacuum tower. tower.