陇东环县油区M井区长8储集层特征及单井产能预测

doi:10.11743/ogg20130517

石油与天然气地质 ›› 2013, Vol. 34 ›› Issue (5): 694-699.doi: 10.11743/ogg20130517

陇东环县油区M井区长8储集层特征及单井产能预测

赵军龙¹, 闫博¹, 赵靖舟¹, 王轶平², 许登才³, 高秀丽¹

1. 西安石油大学地球科学与工程学院, 陕西西安 710065;
2. 中国石油长庆油田分公司第二采油厂, 甘肃庆阳 745100;
3. 贵州省水城县煤炭局, 贵州水城 553000

收稿日期:2013-06-29 修回日期:2013-07-29 出版日期:2013-10-08 发布日期:2013-10-08
作者简介:赵军龙(1970—),男,博士、教授,地球物理测井、测井地质。E-mail:zjl1970@163.com。
基金资助:
陕西省教育厅科研计划项目(11JK0781)。

Reservoir characteristics of Chang 8 and single-well productivity prediction of M wellblock in Huanxian oil district,Longdong area

Zhao Junlong¹, Yan Bo¹, Zhao Jingzhou¹, Wang Yiping², Xu Dengcai³, Gao Xiuli¹

1. School of Earth Sciences and Engineering, Xi'an Shiyou University, Xi'an, Shaanxi 710065, China;
2. No. 2 Production Plant, PetroChina Changqing Oilfield Company, Qingyang, Gansu 745100, China;
3. Coal Bureau of Shuicheng County of Guizhou Province, Shuicheng, Guizhou 553000, China

Received:2013-06-29 Revised:2013-07-29 Online:2013-10-08 Published:2013-10-08

摘要/Abstract

摘要：

为了制定陇东环县油区M井区长8储集层合理的单井生产方案、确保M井区产能最优化,将岩性、物性和含油性等储集层静态地质特征与渗流规律、生产状况等动态特征研究相结合,基于M井区的地质资料、岩心资料、相渗分析资料和测井资料等开展了储集层特征、剩余油分布规律及单井产能预测,预测了M井区合理的单井产量。研究表明:M井区长8储集层具备典型的超低渗透储集层特征,测井响应特征较为显著,储集层呈现对油水的双重润湿性;M井区油藏为构造岩性油藏,油水分布受到岩性控制作用,沿着河道方向,物性好、含油性好、在构造相对高部位含油性好;M井区产量主要来自于M井区中-东南部,目前剩余油在平面上主要分布在M井区北部、中南部局部区域;物性参数法、试油资料折算法和试采法适合于M井区的单井产能预测。M井区长8储层合理的单井产量为3.5~4.0 t/d。研究成果为M井区长8储集层进一步开发奠定了重要的资料基础。

关键词: 储集层特征, 单井产能预测, M井区, 环县油区, 陇东地区

Abstract:

For the purpose of making rational single-well production programs for Chang 8 reservoir of M wellblock in Huanxian oil district area,Longdong and optimizing productivity of M wellblock,we performed a comprehensive study through integrating static geologic features of the reservoir such as lithologies,physical properties,oil-bearing properties with dynamic features like seepage flow patternss and production performance.Based on the geological data,core data,logging data and phase permeability data of the M wellblock,we carried out the research on reservoir characteristics,residual oil distribution and single-well productivity,and predicted the reasonable single-well production of this area.Chang 8 reservoir of M wellblock shows typical ultra-low permeability,significant logging response features and double wettability to oil and water.The reservoirs in M wellblock are structural-lithological reservoirs and the oil-water distribution is controlled by lithology.Oil-bearing properties are good in reservoirs with good poroperm characteristics along the main channel and in reservoirs on relative structural highs.Current production of M wellblock is mainly from southeastern-central part of M wellblock,with residual oil mainly occurring in the northern part and local southern-central part.The physical parameter method,test data conversion method and production test method are suitable for the prediction of single-well production in the study area.The rational single-well production is 3.5~4.0 t/d.These results provide important data-base for the further development of Chang 8 reservoir.

Key words: reservoir characteristics, single-well productivity prediction, M wellblock, Huanxian oil district, Longdong area

中图分类号:

TE122.2

赵军龙,闫博,赵靖舟,等. 陇东环县油区M井区长8储集层特征及单井产能预测[J]. 石油与天然气地质, 2013, 34(5): 694-699. doi: 10.11743/ogg20130517 Zhao Junlong,Yan Bo,Zhao Jingzhou,et al. Reservoir characteristics of Chang 8 and single-well productivity prediction of M wellblock in Huanxian oil district,Longdong area[J]. Oil & Gas Geology, 2013, 34(5): 694-699. doi: 10.11743/ogg20130517

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陇东环县油区M井区长8储集层特征及单井产能预测

Reservoir characteristics of Chang 8 and single-well productivity prediction of M wellblock in Huanxian oil district,Longdong area

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