一种用于正电胶钻井液的抗高温抗盐降滤失剂

Filtrate reducer with temperature and salt resistance used in MMH drilling fluid

介绍了一种与正电胶钻井液配伍的降滤失剂,分析了它的反应机理,并对该产品的性能进行了评价。结果表明,该产品对正电胶钻井液的流变性影响很小;抗盐性能好(抗15％盐),并具有一定的抗高温分散和抗热解能力。

The properties of filtrate reducer used in MMH drilling fluid are evaluated. Function mechanism is analyzed. Tests indicate that this filtrate reducer possesses good thermal stability and salt resistance. MMH drilling fluid containing this filtrate reducer still possesses good rheological property.