37 5 2018 9 GeologicalScienceandTechnologyInformation Vol.37 No.5 Sep. 2018 doi:10.19509/j.cnki.dzkq.2018.0506. [J].,2018,37(5):49-53. ( ) 300459) : PL 10 30% : ; ; ; :P618.13 :A :1000-7849(2018)05-0049-05 910~1400 m 30% [1-3] [7-9] L54 >90% 100 0.6 200 10-3 ~2800 10-3 μm 2 1150 10-3 μm 2 2 (1) [4-6] PL 4~9 m 1500 10-3 μm 2 3 (2), 1 2 PL PL :2018-03-10 : 3~7 m 1150 10-3 μm 2 3 : (2016ZX05058001) : (1975 ) E-mail:hudy.hehe@163.com
50 2018 1.5m 18%; A16 (1) 0.4PV,A23 ( ) 2 A23ST2 L102 PL 4.6m 46%( 1) (3) ( 1) (2) ( 1) ;, A16 A16 0.05PV A23 L102 1 (GR API;RDEP Ω m;k 10-3 μm 2 ) Fig.1 Schematicdiagramofbotom waterfloodingandgrowthofwaterfloodedthicknessinfluvialfaciessandstone 1 Table1 Comparisonoftheactualvalueandthecalculated valueofwaterfloodedthicknesscoeficient /% 3.1 1 A18ST2 L62 2 16 4 PL 2 A18ST1 L102 2 58 58 3 A12ST2 L102 2 74 68 C12 L50 4 A18ST2 L54 4 50 48 10m 5 A12ST2 L62 4 67 53 1000 10-3 μm 2 ( 8 6 A18ST2 L102 9 55 55 1 ) 300 m 0.36km 2 7 A18ST2 L70 10 45 44 20 m 0.5m 30 30 20=18000 3 10 1,3,5,10 4 [10-11], 20%
5 : 51 3.2 3.3 1 7 5,2 ; ( 2) 2 Fig.2 Curvesoftherelationshipbetweeninjectionporevolumemultipleandwaterfloodedthicknesscoeficient 4 4.1 (3) ( 2) ( ) ; (4) [12-15] (1) ( 3) (2) 3 :1 ;2 ;3 4.2 ; PL 1 2012
52 2018 ( 3) 2013 10-10 ( ) 30% Fig.3 3 L54 WaterfloodedthicknesscontourmapofL54smallayer 5 (1)PL [J].,2002,27(7):203-204. ( ) [J],2012,24(4):51-55. [8]. [M].,1997:158-169. (2) [9]. [J].,2009,21(2):121-125. (3) [10] [M].,2009:246-267. [11] [J].,2009,21(2):19-23. : [1]. (2):7-11. [J].,2004,11(4):7-11. [3]. [J].,2010,32(6):127-130. [4]. [J]. 118.,2007,3(3):37-41. [5]. 36. [6]. [7]. L : -. :. [12]. [J].,2008,20(4):59-64. [13]. [J].,2009,21 [14]. 90. [15]. [J].,2010,22(1):33- [2]. [J]. [J].,2011,30(2):85-,2006,25(4):42-45. 2 [J].,2013,32(1):114-
5 : 53 ANew MethodofQuantitativePredictionofRemainingOilinFluvial FaciesSandstoneatMedium-High WaterCutStage ShenChunsheng,HuZhihua,LiLing,KangKai,LiangShihao (TianjingCompanyofCNOOCLtd,Tianjing300459,China) ploitationofoilfieldinlaterperiod.basedonthereservoirandwaterfloodedcharacteristicsofploilfield comprisedoffluvialsandbodies,thequantitativerelationshipbetweenfloodedthicknesscoeficient(ftc) dictionisgeneralylessthan30%,whichmeanshighcoincidence. Abstract:Theremainingoildistributionofofshorefluvialoilfieldduringhigh watercutstageisrather complicated,andaccuratepredictionofremainingoildistributionisthusfundamentalforhigheficientex- andinjectionporevolume multipleandpermeabilityratioisdeterminedbythesimulationresearch.the floodedthicknesscoeficientandfloodedthicknessofsinglewelcanthenbepredictedbyusingthisquanti- tativerelationship.furthermore,contourlinescanbegainedaccordingtothepredictionresultsofflooded thicknessforwels,whichcanassistinpredictionofremainingoildistributioninlayersbothinhorizontal andvertical.basedonthedatafrom10newadjustmentwels,thedeviationofremainingoilthicknesspre- Keywords:medium-highwatercutstage;fluvialfaciessandstone;waterfloodedthicknesscoeficient;wa- terfloodedthicknesscontourmap;remainingoilprediction