CAJ | 학술논문

致密气藏常具有较为显著的应力敏感性，评价应力敏感指标对于准确反演储层及裂缝参数具有十分重要的意义。在传统研究过程中，应力敏感指标的确定主要依赖室内实验，但该方法时间周期较长，成本较高，难以满足低成本开发的要求。针对以上问题，本文在流动阶段分析的基础上，改进了相应的关系式，充分考虑了应力敏感对于动态反演结果的影响，建立了一种应力敏感指标及气井单井控制储量确定的新方法，并运用于苏14井区的实例分析。
치밀기장상구유교위현저적응력민감성，평개응력민감지표대우준학반연저층급렬봉삼수구유십분중요적의의。재전통연구과정중，응력민감지표적학정주요의뢰실내실험，단해방법시간주기교장，성본교고，난이만족저성본개발적요구。침대이상문제，본문재류동계단분석적기출상，개진료상응적관계식，충분고필료응력민감대우동태반연결과적영향，건립료일충응력민감지표급기정단정공제저량학정적신방법，병운용우소14정구적실례분석。
It is widely acknowledged that some tight gas reservoir is stress‐sensitive .There‐fore ,the stress‐sensitivity coefficient is very important to obtain formation and fracture pa‐rameters .T raditionally ,this coefficient is determined by laboratory experiments ,w hich is high‐cost and time‐consuming .To solve these problems ,this paper modified the mathematic model based on the flow‐regime analysis method ,and proposed a new method to determine the stress‐sensitivity coefficient as well as reserve .Finally ,this method is applied to Su 14 w ell zone .