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18219965JournalofSouthwesternPetroleumInstituteVol.18No.2May1996()(),,;;;;TE765.3,,,,,,,,,,,(),,310Nm3öd,0122MPa(),,,,1:3104Nm3öd:0122MPa():40:N2CO2C1C2C3iC4nC4iC5nC5C6C7C8C9C10(mol%)0.546.3360.112.18.752.063.71.571.711.610.840.330.040.00419950925:(1):C3+C490%,C2+C510%311.0K,1.56MPa:C+595%,C45%(2)C3+C475%,C+590%2,,,:,::;;;(),110510104Nm3öd,0122MPa(),211,,,,1,C+3,,,,,C+3,1C+3--21.6MPa2,(110MPa),,(-50),,,,,C+385,116410MPa,-20-40811199632.2MPa243.0MPa25410MPa212,;;+68;;,,17,(),(C+3=9112:38159%,C3=9.19%),20%,,,81(MPa)()(kw)C3(%)(C3+C4)(%)C+3(%)C+5(%)1.24.02.2-46.0-35.099.6779.2868.539.1968.9578.7615.9078.6988.1538.5988.0697.3869.5797.27,,100KW,80KW,20KW,,-50,,,,,(-35)2:2(MPa)()1.6-35.081.462.2-35.079.234.0-35.075.83()()(kw)-28.7171.1754.8-33.0568.8558.90-34.3474.7966.64()()(kw)42.55140.172.541.19139.9375.2839.45139.8275.16(%)C3(C3+C4)C+3C+562.5774.2385.3097.0468.9578.7088.0697.2872.7781.7089.9397.47(kgöh)286.26303.91317.07(kgöh)259.38260.13260.76(1)2:212MPa410MPa,C33182%;(C3+C4)310%;C+302119961187%;0122MPa212MPa,;410MPa1(2)1.62.2MPa,116212MPa:C362157%68195%,6138%;(C3+C4)4147%;C32176%,212MPa,-35,3,,:,:(1)+,(2):;,(3),4(1),,,(2),,,;,(3),,1..,199062..,1988113JH()..,1990124..,198841212:StudyofTechnogicalSchemeofRecoveringLightHydrocarbonsfromSmallFlowandLowPressureGasesJiangHong(Dept.ofOilConstruction)ZhuChong(Dept.ofMechanicalEngineering)AbstractOnthebasisofanexampleofthetechnologicalschemedesignofrecoveringlighthy2drocarbons,astudyismadeontheschemeofrecoveringlighthydrocarbonsfromsmallflowandlowpressuregases.Arationalschemeofrecoveringlighthydrocarbonsisachievedthroughtechnologicalcalculation,parameteranalysisandschemecomparison.KeyWords:Recoveringlighthydrocarbons;Flow;Lowpressure;Associatedgases;Technologicalprocess199652021,,,50:()()()()();:()()()()()40,;,,,,,,,2211996