Self-Assembling Low-Viscosity-Increment Zwitterionic Polymer for Rheological Control in High-Temperature and High-Salinity Water-Based Drilling Fluids
Under harsh high-temperature and high-salinity (HTHS) conditions, water-based drilling fluids (WBDFs) face a critical technical bottleneck in rheological control: the difficulty in simultaneously achieving yield point (YP) and gel strength enhancement without excessive viscosity increase while preventing the deterior...