CAJ | 학술논문

分别测量4种配方堵剂封堵不同渗透率人造岩芯模型后的突破压力，结合 QHD32-6油田油井的地层参数，作出不同配方堵剂的突破压力梯度与地层渗透率的关系曲线，进而得到封堵半径与堵水率的关系曲线。根据测量点距油井的距离与压降梯度变化关系曲线，设计3个段塞，在有效封堵的基础上减少药剂用量，得到堵水剂的最佳用量。
분별측량4충배방도제봉도불동삼투솔인조암심모형후적돌파압력，결합 QHD32-6유전유정적지층삼수，작출불동배방도제적돌파압력제도여지층삼투솔적관계곡선，진이득도봉도반경여도수솔적관계곡선。근거측량점거유정적거리여압강제도변화관계곡선，설계3개단새，재유효봉도적기출상감소약제용량，득도도수제적최가용량。
The breakthrough pressure of several different artificial core-models was measured after injecting 4 kinds of plugging agents,respectively.Combining with the stratum parameter of QHD32-6 oilfield,a relationship curve between the gradient of breakthrough pressure and the permeability of stratum was described under different formulas,and a relationship curve between plugging radius and water shutoff rate was obtained.Basing on this curve three slugs were designed in order to plug water effectively with less plugging agent according to the distance from measurement point to the oil well,and a best dosage was obtained finally.