Wellbore fluids may contain alkyl amine and cyclic organic acid complexes capable of controlling hydration in swellable formations such as shale- and clay-containing formations. Further, methods of drilling may utilize wellbore fluids containing a base fluid and a complex of alkyl amine and a cyclic organic acid.
井筒流体可能含有烷基胺和环状有机酸复合物,能够控制页岩和含粘土地层等易膨胀地层中的
水化作用。此外,钻井方法可以使用含有基础液和烷基胺与环状有机酸复合物的井筒液。