Static and dynamic simulation tests and field tests indicate that YK drill-in fluid possesses the advantage of low formation damage . good flow behavior, simple formulation and easy maintenance.

• 室内静、动态模拟损害评价试验及现场应用表明,YK型钻开油层完井液可防止地层损害、流动性好、现场配制简单、性能易于维护。