超深井高密度抗高温钻井液研究与应用

Research and application of High-density and High-temperature resistant drilling fluid for ultra deep wells

随着勘探和生产向更深的地层推进,钻探超深井面临着极大的挑战,常规钻井液在超深井中可能无法有效发挥作用,导致井眼稳定性差和漏失循环等操作问题。针对上述问题,提出了一种高密度抗高温钻井液,首先对其配方进行研究,并对其综合性能进行合理的评价,最后开展超深井高密度抗高温钻井液应用评价,为保证超深井钻井作业的安全高效进行奠定基础。

With the advancement of exploration and production towards deeper geological layers,drilling ultra deep wells faces great challenges.conventional drilling fluids may not be effective in ultra deep wells,resulting in poor wellbore stability and operational problems such as leakage and circulation.This study proposes a High-density and High-temperature resistant drilling fluid.Firstly,its formula is studied,and its comprehensive performance is reasonably evaluated.Finally,the application evaluation of High-density and High-temperature resistant drilling fluid for ultra deep wells is carried out,laying the foundation for ensuring the safe and efficient operation of ultra deep well drilling operations.