As a leading supplier of Lost Circulation Materials (LCM) to CNPC, Sinopec, and CNOOC, GRANDOIL brings over a decade of dedicated research, development, and manufacturing expertise to the oil and gas industry. Through thousands of rigorous laboratory tests and extensive field applications, we have continuously optimized our LCM formulations. By precisely engineering particle shapes, size distributions, and base materials, GRANDOIL delivers superior, field-proven performance in the most challenging drilling environments.

Mechanism of Neotor^® LCM

Mechanism of Mudplug^® LCM