考虑裂缝干扰的气藏压裂水平井产能预测模型OA北大核心CSTPCD
基于压裂水平井井身结构复杂,需要建立考虑裂缝参数变化且符合水平井渗流特征的产能预测模型.为准确预测压裂水平井产能,通过保角变换和势的叠加原理,建立新模型,不仅考虑裂缝长度、裂缝间距、裂缝夹角的变化对压裂水平井产能的影响,还考虑裂缝间的相互干扰.结果表明:压裂水平井产能随着裂缝条数、长度和裂缝夹角的增加而增大.模型通过现场验证,计算单井无阻流量与试采结果对比,相对误差为8.3％,计算结果较为准确.
Because the horizontal well fracturing technique can increase drainage area of the single well, and effectively connect the reservoir, it has become an important means to improve gas well flow rate in low-permeability gas reservoirs. During its application, it is difficult to build a productivity predicting model of fracturing horizontal well which takes the changes of reservoir characteristics and fracture parameters into account. Aiming at this problem, th…查看全部>>
王树平;史云清;严谨;郑荣臣
中石化石油勘探开发研究院,北京100083中石化石油勘探开发研究院,北京100083中石化石油勘探开发研究院,北京100083中石化石油勘探开发研究院,北京100083
石油、天然气工程
压裂水平井产能预测计算模型裂缝干扰低渗气藏
fracturing horizontal well productivity prediction calculation model mutual interference of fractures low-permeability gas reservoir
《大庆石油学院学报》 2012 (3)
67-71,5
中石化科技攻关项目(G5800-10-ZS-YK004-2)
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