Description:
Sulfonated asphalt powder is used for oilfield drilling fluid, the appearance is flowing black powder, and the composition is sulfonated asphalt powder. Sulfonated asphalt powder is a kind of anionic polymer. Its molecular structure is - c - c -, - c - s - bond, and the bond energy is relatively strong, so it has high temperature resistance, sulfonic acid group, and strong hydration when it is adsorbed on the shale interface, It can stop the hydration and dispersion of shale particles to prevent collapse. At the same time, the part insoluble in water can fill the pore throat and fracture to play a role in plugging, and can cover the shale interface to improve the quality of mud cake; Sulfonated asphalt also is an organic drilling fluid treatment agent, which plays the role of lubrication and reducing high-temperature and high-pressure filtration in drilling fluid.
Sulfonated asphalt powder for oilfield drilling fluid is a multifunctional organic drilling fluid treatment agent for plugging, collapse prevention, lubrication, drag reduction and inhibition. It can be directly added into drilling fluid with good compatibility, and the recommended dosage is 1-6%. It can form a thin and tough mud cake to strengthen the borehole wall, control the high temperature shear strength of the mud, and control the high temperature water loss; Lubricate and reduce drag, reduce the lifting capacity of drilling tools and torque, extend the service life of the drill bit, prevent and remove sticking.
Application/function:
• Reduce HPHT fluid loss in water-based and oil-based mud
• Stabilize shale and prevent collapse
Advantages:
It is a multifunctional organic drilling fluid treatment agent for plugging, collapse prevention, lubrication, corrosion inhibition, etc.
• Thermal stability up to 350 °F.
• Form thin and tough mud cake to strengthen well wall and control high temperature water loss
• Plugging wellbore micro fractures
• Reduce the torque of rotating rod
Physical properties:
• Appearance: Dark brown to black free flowing powder.
• Use scenario drilling mud materials
Package:
• Asphalt powder for drilling fluid is packaged in 25kg sacks. The outside is a brown paper bag, and the inside is a moisture-proof plastic.
• The asphalt powder used for well transfer fluid is easy to absorb water, so it should be stored in a cool, dry and ventilated place, which should be protected from moisture and sun.
Safety precautions:
Avoid contact with eyes, skin and clothes, or wash with plenty of water.
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