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PolyanionicCellulose (PAC) Oilfield Grade
Our PAcproducts including high viscosity (HV) and low viscosity (LV) are developed by our company and the National Key Lab of Polymerization Engineering in Zhejiang University. PAcproducts are special ionicethers with high purityhigh DS.The application results from China National Petroleum Corp.(CNPC)China National Offshore Oil Corp.(CNOOC)Daqing OilfieldShengli Oilfiledseveral oil drilling leading companies in USand other oil drilling service companies of the world show that PAchas excellent performance and stable quality.PAcis a semi-natural polymer and used as additivethickener and reducing water loss agent.Both PAC-HV and PAC-LV is the key ingredient in the fresh water mud and seawater mud.
PAC-HV/LV is white or light yellow free flowing powder or granulewhose aqueous solution is clear and sticky.As a water solvable polymerthe properties of PAcas followings:
Be dissolved in the cold or hot water quickly
Act as thickenerrheology control agentbinderstabilizerprotective colloidsuspending aid and water retention agent.
PAC-HV/LV products are good mud treatment agents for well drilling and can be used as the material for well-completion liquid.It has high rate of slurry-making and shows excellent raising viscosity performance and a good resistance to temperature (150C).It is suitable to making well-completion liquid with fresh watersea water or saturated water.When adding the different amount of CaCl2the well-completion liquid has a certain viscosity and lower fluid loss.
PAC-HV/LV products are in compliance with the standards of OCMA and API.