Application in drilling fluid
Calcium treated drilling fluid
Low viscosity polyanionic cellulose has good anti-calcium ability can prevent excessive flocculation of clay particles in the system caused by calcium ions, keep the drilling fluid in a good flocculation state, maintain the stable solid content and rheology of the drilling fluid, and ensure that the drilling fluid has good and stable performance. .
Salt water drilling fluid, seawater drilling fluid, saturated salt water drilling fluid
Low viscosity polyanionic cellulose has low sensitivity to salt and strong resistance to salt, calcium and magnesium. It is used as a rheology modifier to quickly adjust the rheology of drilling fluids under low dosage conditions. At the same time, it can quickly carry out drilling cuttings and keep the temperature low. The solid content is conducive to increasing the drilling speed. When used as a fluid loss reducer, it can form a dense mud cake. Since the filtrate filtered out through the filter cake is close to the native water of the formation, the filtrate will cause less damage to the oil and gas layer.
Potassium-based drilling fluid
Low viscosity polyanionic cellulose has low sensitivity to potash, calcium and magnesium salts, and can quickly and efficiently adjust the rheology of this type of drilling fluid. It has good filter loss reduction effects and has excellent ability to clean drill cuttings and drill bits. It is easy to use The effect of using in stuck formation is obvious.
Polymer drilling fluid
It has good compatibility with other polymers and strong suspension ability. It can clean drilling cuttings in a timely and efficient manner. It synergistically keeps the drilling fluid with low solid phase and low dispersion of clay. It is also an excellent fluid loss agent.
Low solids drilling fluid
It can quickly and efficiently adjust the rheology of drilling fluid, and has excellent suspension ability. It can remove drilling cuttings in a timely and efficient manner, keep the drilling fluid with a low solid content, increase drilling speed, stabilize the well wall, and have excellent fluid loss reduction effect.
Environmentally friendly drilling fluid
The product is green and environmentally friendly, non-toxic, harmless and odorless, biodegradable, not easy to perish during use, has low drilling fluid maintenance costs, and ensures the health and safety of construction workers. It is suitable for drilling needs in various complex geological conditions and is good for agriculture. Production is harmless.
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