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泥岩涂抹长度定量计算及应用
时丕同¹,王秀红²,陈涛²,应忠才仁³
(1.中国石油大学地球资源与信息学院，山东东营257061;2.中石化胜利油田地质科学研究院，山东东营257015;3.中石油青海油田边远油田开发公司，青海海西州816400)

摘要:

通过对济阳坳陷7个油田60多个油气藏几十条断层的研究,提出泥岩涂抹长度计算方法,对断层封闭性的计算公式进行修正,并用新修正的公式对营子街地区断层封闭性进行研究。结果表明:济阳坳陷断层封闭的泥岩涂抹界限值是5;纵向上沙三上亚段HI砂组中下部、IV砂组、V砂组断层封闭性好,平面上街202、街204、街201等井区断层封闭性好,与油气富集层位非常吻合。

关键词: 断层封闭性泥岩涂抹长度济阳坳陷营子街地区

DOI：

分类号:

基金项目:中国石化股份公司科技攻关项目(P07002)

Quantitative calculation and application of shale smear length

SHI Pi-tong¹,WANG Xiu-hong²,CHEN Tao²,YINGZHONG Cai-ren³

(1.College of Geo-Resources and Information in China University of Petroleum，Dongying 257061，China;2. Geological Scientific Research Institute of Shengli Oilfield, SINOPECf Dongying 251015,China;3. Outling Oilfield Developing Company of Qinghai Oilfield, PetroChina, Haixizfwu 816400, China)

Abstract:

By studying tens of faults in over sixty hydrocarbon reservoirs of seven oilfields in Jiyang depression，a calculation method of shale smear length was presented，the calculation formula for fault sealing was modified and then the fault sealing in Yingzijie area was analyzed. The results show that the effective mudstone thickness in the ranges of shale smear length must be determined in order to reflect the fault sealing correctly. The boundaiy value of the fault sealing is 5 in Jiyang depression. The fault sealing in Yingzijie area is good in the middle-lower part of the third sand bodies，the fourth and the fifth sand bodies of the upper Es3 formation, and so is the area near the well Jie 202,well Jie 204 and well Jie 201，which agree well with oil and gas rich layer.

Key words: fault sealing shale smear length Jiyang depression Yingzijie area