Loss of drilling fluid commonly known as mud loss is considered as one of the critical issues during the drilling operation as it can cause severe formation damage. To minimize fluid loss, researchers introduced numerous additives but did not get the expected result. Recently, the use of nanoparticles (NPs) in drilling fluid gives a new hope to control the fluid loss. A basic KCl–Glycol–PHPA polymer-based mud is made, and six different concentrations of 0.1, 0.5, 1.0, 1.5, 2.0, 3.0 wt% iron (III) oxide or Hematite (Fe₂O₃) NPs are mixed with the basic mud. The experimental observations reveal that fluid loss of basic mud is 5.9 ml after 30 min and prepared nano-based drilling mud results in a less fluid loss at all concentrations. Nanoparticles with a concentration of 0.5 wt% result in a 5.1 ml fluid loss at the API LTLP filter press test. On the other hand, nanoparticles with a concentration of 3.0 wt% enhance the plastic viscosity, yield point, and 10 s gel strength by 15.0, 3.0, and 12.5%, respectively. The optimum concentration of hematite NPs is found to be 0.5 wt% which reduces the API LPLT filtrate volume and filter cake thickness by 13.6 and 40%, respectively, as well as an improvement of plastic viscosity by 10%.

钻井液的流失（通常称为泥浆流失）被认为是钻井作业期间的关键问题之一，因为它可能导致严重的地层损坏。为了最大程度地减少流体损失，研究人员引入了许多添加剂，但未获得预期的结果。最近，在钻井液中使用纳米颗粒（NPs）带来了控制流体损失的新希望。制备了一种基本的KCl-乙二醇-PHPA聚合物基泥浆，并制成了六种不同浓度的0.1、0.5、1.0、1.5、2.0、3.0 wt％的氧化铁（III）或赤铁矿（Fe ₂ O ₃NP与基本泥浆混合。实验观察表明，在30分钟后，基本泥浆的失水量为5.9 ml，制备的纳米基钻井液在所有浓度下的失水量均较小。浓度为0.5 wt％的纳米颗粒在API LTLP压滤试验中导致5.1 ml液体损失。另一方面，浓度为3.0 wt％的纳米颗粒分别将塑性粘度，屈服点和10 s凝胶强度提高了15.0、3.0和12.5％。发现赤铁矿NP的最佳浓度为0.5 wt％，这分别将API LPLT滤液体积和滤饼厚度减少了13.6和40％，并将塑料粘度提高了10％。