Yan'an Chaozheng Drilling Fluid Co., Ltd.

was established in the beginning of 1999, integrating the production, sales, technical research and development and on-site technical service of drilling fluid materials, and is one of the large-scale drilling fluid material manufacturers in China.

Among them, the core technologies such as plugging technology for big leakage, lubrication and anti-suppression technology for 3D wells, filtration loss reduction technology,anti-collapse and collapse cure technology, anti-salt paste pollution technology brine mud technology and other core technologies are at an advantageous and advanced level in China. Now we has provided full-well mud materials and technologies for many natural gas directional wells and horizontal wells, shale oil horizontal wells, oil wells with large inclination and horizontal wells, rock salt horizontal wells, and coal bed methane horizontal wells. We have demonstrated amazing skills and strengths to many complex substrate, severely collapsed areas.