The formation plugging effect caused by in situ waxcrystallization and oil solidification were considered.
模型中考虑了地层中的析蜡过程和原油凝固及由此导致的地层堵塞。
2
The characteristic groups of polymeric pour point depressant(PPD)were analyzed by FT-IR and NMR techniques. The crystallization properties of various types of wax and PPD were measured by XRD.
Sodium acrylate grafted polypropylene wax was synthesized by solution technique, and its thermal stability and crystallization behavior were characterized.