摘要
鄂尔多斯盆地陇东地区长6X、长7Y储层纵向连续性差、横向上变化快,给水平井测井解释带来了一定难度。为了准确计算水平井储层参数,提高油层钻遇率,以研究区储层特征、测井资料为基础,围绕着水平井井眼轨迹与地层关系分析,给出了鄂尔尔多斯盆地致密油水平井储层划分建议,提出了储层各向异性分析步骤及计算方法,建立了水平井段分段分级评价方法,给出了水平井自然伽马、电阻率测井围岩校正方法,研究提高了水平井孔隙度、渗透率和含油饱和度等储层参数的计算精度,为水平井射孔段优化、提高水平井产能奠定了基础。
Longitudinal continuity of Chang6X,Chang7Y reservoir is poor,and the lateral change quickly in Longdong area Erdos basin.Thus brings difficulties in horizontal well logging interpretation.In order to calculate the reservoir parameters of horizontal well accurately and improve the drilling rate of oil reservoir,the article based on reservoir characteristics,logging data in study area,the article analyzes relationship between horizontal well trajectory and formation.Suggestions for reservoir division of tight oil reservoir in Ordos Basin,Steps and calculation methods of reservoir anisotropy analysis,evaluation of reservoir in horizontal section,correction of natural gamma,resistivity logging for surrounded rock are presented in this paper.The study would improve calculation precision of reservoir porosity,permeability and saturation,optimize the zone of horizontal well perforating and improve production of horizontal well.
作者
刘行军
杨新宏
何小菊
吴建华
孟庆夺
LIU Xingjun;YANG Xinhong;HE Xiaoju;WU Jianhua;MENG Qingduo(Changqing Division, China Petroleum Well Logging Limited Company, Xi′ an, Shaanxi 710201, China)
出处
《西南石油大学学报（自然科学版）》
CAS
CSCD
北大核心
2017年第5期51-60,共10页
Journal of Southwest Petroleum University(Science & Technology Edition)
关键词
水平井
井眼轨迹与地层关系
陇东地区
各向异性
分段分级
horizontal well
relationship between horizontal well trajectory and formation
Longdong area
anisotropy
evaluation of reservoir in horizontal section
