摘要
基于变质岩类主要造岩矿物及元素组成的特殊性,对近年来发展起来的一系列利用测井资料识别变质岩潜山的岩性和储层裂缝的技术进行了系统调研、分析和总结。结果表明,常规测井中核测井系列(密度、自然伽马和中子测井)对变质岩岩性的识别更为有效,另外可以采用元素俘获测井(ECS)等新的测井技术识别变质岩岩性。由于变质岩岩性复杂多样,对变质岩储层的识别需要在岩性识别的基础上建立其相应的储层识别标准。可用于识别变质岩储层裂缝的常规测井主要有双侧向、声波时差、双侧向—微球型聚焦、井径及自然伽马能谱等测井方法。另外,声波—电阻率成像测井、多极子阵列声波测井、交叉偶极子声波测井等新技术因其独特优势被越来越多地用于变质岩储层裂缝识别。目前不存在普遍适用于各研究区的变质岩岩性和储层测井识别标准,针对具体地区需要考虑其特定的变质岩储层发育特征及实际测井资料,研究其相应测井识别与评价技术。
Based on the specialty of major rock-forming minerals and elementary composition of metamorphite,the detailed and systematical literature review,analysis and summary are completed for a series of lithology and reservoir fracture identification technologies with logging that are developed in recent years. Research shows that nuclear logging series in conventional logging are more favorable to identify the metamorphic lithology. In addition,ECS( elemental capturespectroscopy) and other new logging technologies can be applied to identify metamorphic lithology. Due to the complex and diverse metamorphic lithologies,the corresponding reservoir identification standard should be established for metamorphic reservoir identification based on lithology identification. The applicable conventional logging methods for metamorphic reservoir fracture identification mainly include dual lateral logging,acoustic logging,dual lateral logging-microspherical focus,borehole diameter logging,natural gamma ray spectrology logging,etc. In addition,acoustic-resistivity imaging logging,multipolar array acoustic logging,cross dipole acoustic logging and other new logging technologies with unique advantages are increasingly applied for metamorphic reservoir fracture identification. Currently,there are no generally applicable standards for logging identification of metamorphic lithology and reservoir fracture. The specific metamorphic reservoir development and field actual logging data in specific areas should be considered to study the logging identification and evaluation.
出处
《特种油气藏》
CAS
CSCD
北大核心
2016年第4期1-6,151,共6页
Special Oil & Gas Reservoirs
基金
国家自然科学基金面上项目"渤海湾盆地济阳坳陷中生界火山岩储层宏观裂缝充填作用及其对次生孔隙发育的影响"(41472106)
中央高校基本科研业务费专项资金"济阳坳陷孤西潜山带储层形成机理"(13CX02043A)
关键词
变质岩
岩性识别
裂缝识别
测井
研究进展
metamorphite
lithology identification
fracture identification
logging
advance
