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Sinopec News Network reported on April 19 that the biomass synthetic resin fluid loss control agent independently developed by the Drilling Engineering Technology Research Institute of Zhongyuan Petroleum Engineering Company was applied in the 4-1H well of the No.
Filtrate reducer is the core treatment agent to maintain the stability of drilling fluid.
In recent years, as Sinopec’s exploration and development of oil and gas resources continue to develop into deep formations, filtrate control agents, as the "protective umbrella" of water-based drilling fluids, are facing severe tests of high temperature and salt-calcium invasion.
Researchers carefully analyzed the chemical composition and structure of phenolic resin fluid loss additives, and finally focused on using biomass lignin with high phenol content and easily broken chains as raw materials, and innovatively developed a "three-step degradation process" for lignin to produce the main The synthetic raw materials and molecular structure design for the final synthesis use requirements, performance and phenolic resin filtrate reducer, and can meet the requirements of environmental protection biomass synthetic resin filtrate reducer.
According to statistics, the biomass synthetic resin fluid loss control agent has been applied in more than 20 wells in Xinjiang, Southwest, Central Plains and other industrial areas.
(Xu Ying Du Jia)
