裂缝性储层岩心制作方法及评价研究  

FRACTURED RESERVOIR CORES MAKING METHOD AND EVALUATION

作　　者：唐军 吴正良 蒲俊余 欧翔 谢盛 李巍 石朝敏 TANG Jun;WU Zhengliang;PU Junyu;OU Xiang;XIE Sheng;LI Wei;SHI Chaomin(CCDC Drilling&Production Engineering Technology Research Institute,Guanghan,Sichuan 618300,China;Sichuan Key Laboratory of Applied Chemistry of Oil and Gas Fields,Guanghan,Sichuan 618300,China;Exploration Division of PetroChina Southwest Oil and Gas Field Company,Chengdu,Sichuan,China)

机构地区：[1]中国石油川庆钻探工程有限公司钻采工程技术研究院 [2]油气田应用化学四川省重点实验室,四川省广汉市618300 [3]中国石油西南油气分公司勘探事业部

出　　处：《钻采工艺》2019年第6期105-109,I0007,共6页Drilling & Production Technology

基　　金：中国石油天然气集团公司科技项目“高温高压高酸性介质油气井完井技术集成与应用”(编号:2016D-4202)

摘　　要：文章介绍了一种采用钻取储层岩心制作单一裂缝的实验岩心及其缝宽调控的方法与技术。通过对影响实验缝宽及其渗透率测定的主要因素分析,提出了能够满足储层流体流动理论应用条件的裂缝性实验岩心的制作及其缝宽控制的关键技术,以利于应用储层基础理论解决缝宽测量不准与裂缝渗透率测量失真等问题;同时,简化了实验操作程序与复杂计算,提高了实验缝宽及其渗透率测定的准确性、真实性与实用性。以便用其客观地揭示储层裂缝渗透率的变化规律、研究裂缝性储层的伤害机理、评价工作液对这类储层的伤害程度以及储层保护剂的使用效果。In this paper a method and technique making cores for single fracture experiments and fracture width regulating is described.By analyzing the main influencing factors of fracture width and the permeability measurement,the key techniques are proposed which meet the conditions of basic reservoir fluid flow theory.It is beneficial to solve such problems as inaccurate fracture width measurement and fracture permeability measurement distortion.Meanwhile the experimental procedures and calculation have been simplified,and the accuracy,practicability improved.The experimental method and evaluation can be used to reveal the variation law of reservoir fracture permeability,the damage mechanism of fractured reservoir,the damage degree of working fluid to such reservoirs and the protective effects of the reservoir protective agents.

关 键 词：裂缝性 储层岩心 制作方法 评价研究 裂缝宽度 渗透率 

分 类 号：TU7[建筑科学—建筑技术科学]