Desc:Previously, drilling fluid was a multi-phase colloidal suspension containing chemical additives, sewage and sewage oil. After the completion of the well in the past, the waste is passed. In terms of ecological environmental protection, drilling fluids are mainly treated by open centralized recovery, curing, exposure, landfilling, etc., which pollute the soil, water and air. At present, in order to reduce atmospheric pollution and improve the environment for oil field drilling, the widely used is potassium formate oil drilling fluid, which not only has the advantages of strong suppression, good compatibility, etc., but also non-toxic and non-corrosive.
MORE