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Salt-resistant cement slurry system
Summary：Salt-resistant cement slurry mainly adopts salt-resistant water loss reducer and salt-resistant retarder independently developed by our company, which can make the cement slurry achieve better comprehensive performance in saturated brine or semi-saturated brine system, with low free liquid, easy control of water loss, easy control of thickening time and rapid development of strength.
Salt-resistant cement slurry mainly adopts salt-resistant water loss reducer and salt-resistant retarder independently developed by our company, which can make the cement slurry achieve better comprehensive performance in saturated brine or semi-saturated brine system, with low free liquid, easy control of water loss, easy control of thickening time and rapid development of strength.
Since semi-saturated brine cement slurry was used in the 146.1mm liner suspension (4713.26-6217.27m) cementing of Well Jianshen 1 in Jiannan Structure of Jianghan Oilfield on July 15, 2008, salt-resistant cement slurry has been used for cementing 17 wells successively. The qualified rate was 100 %, and the excellent rate was 64.71%.
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