松辽盆地徐深气田火山岩储层裂缝测井识别与评价
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摘要
目前研究裂缝的方法多采用单一方法,对裂缝宏观预测和微观刻画方面都有一定的局限性。应用岩心描述、CT图像分析、常规测井、特殊测井等综合方法对徐深气田营城组火山岩储层裂缝发育特征进行了描述,包括定性与定量识别裂缝、计算裂缝孔隙度、裂缝密度等参数、确定裂缝方向,形成一套有效储层裂缝评价标准。本区块火山岩Ⅰ类储层裂缝主要为高角度缝,裂缝的有效性好;Ⅱ类储层则以微裂缝为主,裂缝的有效性较好;裂缝方向主要为北北西向、北东向,具有多期性、条带性。火山岩储层以裂缝-孔隙型为主,孔隙型次之,孔隙-裂缝型最少,大缝大洞型储层不发育。
At present, most of the methods to study fractures almost adopt a single method, which has some limitations on the macro-prediction and micro-characterization of fractures. By using core descriptions, CT image analysis, conventional logging, logging and other special integrated methods, the fracture development features of volcanic reservoirs in Yingcheng formation of Xushen gas field were described, which included qualitative and quantitative identification of cracks, calculated fracture porosity, fracture density and other parameters, determination the crack direction, and then the effective reservoir fracture evaluation criteria were established. The fractures of type I volcanic reservoir are high-angle fracture with good validation, and fractures of type Ⅱ reservoir are mainly of micro cracks with good validation.The fracture direction is mainly north-north-west, north-east direction, with multi-phase and banding. The volcanic rock reservoir is mainly fracture-pore type, followed by porosity type, with the least pore-fracture type and no development of large-slot and large-hole type.
At present, most of the methods to study fractures almost adopt a single method, which has some limitations on the macro-prediction and micro-characterization of fractures. By using core descriptions, CT image analysis, conventional logging, logging and other special integrated methods, the fracture development features of volcanic reservoirs in Yingcheng formation of Xushen gas field were described, which included qualitative and quantitative identification of cracks, calculated fracture porosity, fracture density and other parameters, determination the crack direction, and then the effective reservoir fracture evaluation criteria were established. The fractures of type I volcanic reservoir are high-angle fracture with good validation, and fractures of type Ⅱ reservoir are mainly of micro cracks with good validation.The fracture direction is mainly north-north-west, north-east direction, with multi-phase and banding. The volcanic rock reservoir is mainly fracture-pore type, followed by porosity type, with the least pore-fracture type and no development of large-slot and large-hole type.
引文
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[22]邓瑞,郭海敏,戴家才,等.裂缝性储层的常规测井识别方法[J].勘探地球物理进展,2007,30(2):8–11.
[23]许风光,邓少贵,范宜仁,等.火成岩储层测井评价进展综述[J].勘探地球物理进展,2006,29(4):239–243.
[24]高兴军,冉启全,肖毓祥,等.火成岩双重介质油藏测井参数评价技术[J].特种油气藏,2006,13(1):32–
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[26]牛虎林,田作基,胡欣,等.成像测井解释模式在基岩油气藏裂缝性储层的应用研究[J].地球物理学进展,2008,23(5):1 545–1 547.
[2]WANG P J,Xie X A,MATTERN FRANK,et al.The Cretaceous Songliao basin:volcanogenic succession,sedimentary sequence and tectonic evolution,NE China[J].Acta Geologica Sinica,2007,81(6):801–811(SCI).
[3]王璞珺,迟元林,刘万洙,等.松辽盆地火山岩相:类型、特征和储层意义[J].吉林大学学报(地球科学版),2003,33(4):317–325.
[4]郭振华,王璞珺,印长海,等.松辽盆地北部火山岩岩相与测井相关系研究[J].吉林大学学报(地球科学版),2006,36(2):207–214.
[5]巫芙蓉,李亚林,王玉雪,等.储层裂缝发育带的地震综合预测[J].天然气工业,2006,26(11):49–51.
[6]杨唐斌.用斯通利波评价裂缝的有效性[J].测井技术,1998,22(2):132–136.
[7]匡朝阳,高锐,史海英,等.长岭地区东北部拗陷层油气成藏特征及储层预测[J].地球物理学进展,2008,23(3):809–811.
[8]潘保芝,薛林福,李舟波,等.裂缝性火成岩储层测井评价方法与应用[M].北京:石油工业出版社,2003:50–
[9]邓攀,魏国齐,杨泳.储层构造裂缝定量预测中地质数学模型的建立与应用研究[J].天然气地球科学,2006,17(4):482–484.
[10]陈佳梁,兰素清,王昌杰.裂缝性储层的预测方法及应用[J].勘探地球物理进展,2004,27(1):35–40.
[11]曲立才.徐深气田火山岩储层单井裂缝描述与评价[J].大庆石油学院学报,2010,34(2):43–44.
[12]章凤奇,宋吉水,沈忠悦,等.松辽盆地北部深层火山岩剩磁特征与裂缝定向研究[J].地球物理学报,2007,50(4):1 167–1 173.
[13]吴文圣,陈钢花,雍世和.利用双侧向测井方法判别裂缝的有效性[J].石油大学学报(自然科学版),2001,25(1):87–89.
[14]董小魏.兴城地区火山岩裂缝测井响应特征[J].新疆石油天然气,2008,4(4):33–34.
[15]刘之的,刘红歧,代诗华,等.火山岩储层裂缝测井定量识别方法[J].大庆石油地质与开发,2008,27(5):132–134.
[16]舒萍,曲延明,王国军,等.松辽盆地火山岩储层裂缝地质与地球物理识别[J].吉林大学学报,2007,37(4):727–729.
[17]舒萍,纪学雁,丁日新,等.徐深气田火山岩储层裂缝特征研究[J].大庆石油地质与开发,2008,27(1):13–16.
[18]潘保芝,张丽华,单刚义,等.裂缝和孔洞型储层孔隙模型的理论进展[J].地球物理学进展,2006,21(4):1 232–1 235.
[19]姜传金,冯尚宇,詹怡杰,等.松辽盆地北部徐家围子断陷火山岩气藏勘探新技术[J].大庆石油地质与开发,2007,26(4):133–137.
[20]雍世和,张超谟.测井数据处理与综合分析[M].北京:石油大学出版社,1996:43–46.
[21]杨立英,李瑞磊,张江涛,等.松辽盆地南部十屋断陷构造特征研究[J].地球物理学进展,2005,20(3):775–779.
[22]邓瑞,郭海敏,戴家才,等.裂缝性储层的常规测井识别方法[J].勘探地球物理进展,2007,30(2):8–11.
[23]许风光,邓少贵,范宜仁,等.火成岩储层测井评价进展综述[J].勘探地球物理进展,2006,29(4):239–243.
[24]高兴军,冉启全,肖毓祥,等.火成岩双重介质油藏测井参数评价技术[J].特种油气藏,2006,13(1):32–
[25]雍世和,洪有密.测井资料综合解释与数字处理[M].北京:石油工业出版社,1982:247–250.
[26]牛虎林,田作基,胡欣,等.成像测井解释模式在基岩油气藏裂缝性储层的应用研究[J].地球物理学进展,2008,23(5):1 545–1 547.