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辽河油田兴隆台太古界古潜山储层评价标准研究
引用本文:李维祎,王博,桑转利.辽河油田兴隆台太古界古潜山储层评价标准研究[J].高校地质学报,2010,16(3):365-374.
作者姓名:李维祎  王博  桑转利
作者单位:南京大学 地球科学与工程学院,内生金属矿床成矿机制研究国家重点实验室 (南京大学),南京 210093; 2. 中石油辽河油田 兴隆台采油厂,盘锦 124010
摘    要:兴隆台古潜山是辽河坳陷中重要的深层潜山油藏,对提高辽河油田原油产量具有重要意义。兴隆台太古界潜山主要 储层由变质岩和岩浆岩组成,其中变质岩储层包括黑云斜长片麻岩、黑云母变粒岩、斜长角闪岩、角闪岩和混合岩。储集 空间以构造裂缝为主,储层渗透性好。在测井曲线对储层敏感因素分析的基础上,选用现有测井资料中带有裂缝信息的电 阻率、声波时差、密度、自然电位幅度差和双侧向等测井数据,应用测井交会图方法,结合试油工作的结果,寻找规律, 得出了针对兴隆台古潜山储层进行定量及定性识别和评价的标准,即:岩石密度<2.75 g/cm3 ,自然电位幅度差≥7 Ω·m, 双侧向幅度差20~1 500 Ω·m,深侧向电阻率20~2 000 Ω·m,声波时差170~230 μs/m。通过生产测井解释数据进行了验证, 证明上述储层评价标准基本适用,为兴隆台古潜山油井调层提供了理论基础。

关 键 词:古潜山  储层  评价标准  辽河油田  兴隆台  
收稿时间:2010-01-31

A Study on the Evaluation Criteria for the Reservoir of the Xinglongtai Paleo-Buried Hill,Liaohe Oil Field
LI Wei-yi,WANG Bo,SANG Zhuan-li.A Study on the Evaluation Criteria for the Reservoir of the Xinglongtai Paleo-Buried Hill,Liaohe Oil Field[J].Geological Journal of China Universities,2010,16(3):365-374.
Authors:LI Wei-yi  WANG Bo  SANG Zhuan-li
Institution: 1. State Key Laboratory for Mineral Deposits Research, School of Earth Sciences and Engineering, Nanjing University, Nanjing; 210093, China;  2. Xinglongtai Oil Refinery Factory, Liaohe Oil Field, CNPC, Panjin 124010, China
Abstract:Xinglongtai paleo-buried hill is one of the major deep-buried reservoirs in the Liaohe depression, and its exploitation is very  important  for  increasing production of crude oil  in  the Liaohe oil  field. The  reservoir of  the Xinglongtai buried hill  is mainly composed of magmatic and metamorphic  rocks, and  the  latter consists of biotite-plagioclase gneiss, biotite  leptynite, (plagioclase) amphibolite and migmatite. The reservoir space is mainly fractures with good permeability. On the basis of analysing the  response of well  logging  to  the  reservoir, using  log data  reflecting  fractures  (such as  resistivity  log, sonic  log, density  log, spontaneous potential  log and dual  laterolog) and combining with  the cross-plots of  log data and  the  results  from oil-production testing, we summarize in this paper the regularities of logging curves and parameters, and suggest several criteria for qualitative and quantitative identification and evaluation of reservoir in the Xinglongtai paleo-buried hill. These criteria include rock density of less than 2.75 g/cm3 , range difference of spontaneous potential of higher than 7 Ω·m, range difference of laterolog between 20 and 1 500 Ω·m, electrical resistivity  in deep  investigation between 20 and 2 000 Ω·m, and  interval  transit  time of 170-230 μs/m. These criteria are proved to be useful after a test with the production well logging, and provide theoretical basis for layer- adjusting of oil well in the Xinglongtai paleo-buried hill.
Keywords:paleo-buried hill  reservoir  evaluation criteria  Liaohe oil field  Xinglongtai  
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