冀东裂缝性火山岩气藏复杂缝网构建的可行性研究  

Feasibility study on construction of complex fracture networks of fractured volcanic rock gas reservoir in Jidong oilfield

作　　者：吴均[1] 刘彝[1] 罗成[1] 张智勇 张雯 谭建勇 WU Jun;LIU Yi;LUO Cheng;ZHANG Zhiyong;ZHANG Wen;TAN Jianyong(Drilling and Production Technology Research Institute,Jidong Oilfield Company,Tangshan 063002,China;Beijing Stimlab Oil&Gas Technology Co.,Ltd.,Beijing 100176,China)

机构地区：[1]中国石油冀东油田公司钻采工艺研究院,河北唐山063002 [2]北京斯迪莱铂油气技术有限公司,北京100176

出　　处：《中国矿业》2018年第B10期238-240,共3页China Mining Magazine

摘　　要：通过对冀东油田南堡五号构造裂缝性火山岩储层开展岩石力学特性、岩石脆性、水平应力差、天然裂缝发育情况等分析,明确了复杂裂缝网络构建的关键因素,同时确定了施工排量、施工规模、缝内净压力、液体黏度等工程因素对构建复杂裂缝网络的影响,提出混合水注入、酸蚀多缝改造等配套工艺,明确了冀东裂缝性火山岩气藏压裂实现复杂缝网的可行性。Through the analysis of rock mechanics parameters,rock brittleness,horizontal stress difference and natural fracture development in the fractured volcanic reservoir of Jidong oilfield,the key factors for the construction of complex fracture networks are identified.Clarify the influence of engineering factors such as injection rate,fracturing scale,net pressure in the fracture and liquid viscosity on the construction of complex fracture networks.Proposed mixed water injection technique and acid etching multi fractures technique.The feasibility of complex fracture networks construction in the fractured volcanic gas reservoirs in Jidong oilfield,is clarified.

关 键 词：火山岩 体积压裂 复杂缝网 裂缝发育 因素分析 

分 类 号：P618.13[天文地球—矿床学]