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Product Description
Classification: Chemical Auxiliary Agent Purity: 99% Place of Origin: China (Mainland) Type: oil field drilling Usage: Petroleum Additives Brand Name: JInjia. Product Specification/Models
A. Brief introduction
PAC is white or yellowish powder, which is non-toxic, odorless, and solvable in water, with stable resistance to heat, salt and bacteria. PAC is kind of high quality, low-viscosity cellulose polymer with low molecular weight. Mud fluid with this PAC can reduce fluid loss, with high inhibition and weather resistance. It is popularly applied to oil drilling especially brine well
B. The characteristics of PAC
(1) suitable for any mud fluid of from freshwater to the saturated brine. (2) low-viscosity PAC can effectively reduce fluid loss, without remarkably causing increase in system mucus, especially high solid content system. (3) high-viscosity PAC can make high volume of grout and can significantly reduce fluid loss, particularly applicable to low solid mud and solid-free saline mud. (4) fluid mud made with PAC can inhibit dispersion and expansion of clay and shale in high-salt media so that sidewall pollution of drill can be controlled. (5) excellent drilling mud and workover fluid mud are also efficient fracturing fluids.
C. The application of PAC
1, PAC's application in drilling fluid
PAC used as inhibitor and filtration reducer is very good, and fluid mud made with PAC can inhibit dispersion and expansion of clay and shale in high-salt media so that sidewall pollution of drill can be controlled. Compared with CMC, PAC has better uniformity of response, with higher degree of substitution, better transparency and excellent resistance to salt and heat. It can create high-volume mud and cause low-volume loss, according to the test of OCMA. 2, PAC's application in workover fluid. Workover fluid made with PAC is of low solid so that the infiltration capacity of productive zone can be avoided being blocked
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Polyanionic cellulose PAC
