一种抗温耐盐降滤失剂的研究与性能评价  

Research and performance evaluation of an anti-temperature and salt-tolerant fluid loss additive

作　　者：全红平[1] 明显森[2] 黄志宇[1] 张太亮[1] 钟尚伦[3] 刘大海 段春兰 

机构地区：[1]西南石油大学化学化工学院,四川成都610500 [2]川庆钻探工程有限公司钻采工程技术研究院,四川广汉618300 [3]青海油田采油二厂,青海海西州816400 [4]四川仁智油田技术服务股份有限公司,四川绵阳621000

出　　处：《应用化工》2013年第8期1476-1479,1484,共5页Applied Chemical Industry

摘　　要：采用丙烯酰胺、2-丙烯酰胺基-2-甲基丙磺酸和烯丙醇聚氧乙烯醚为原料,合成出聚合物降滤失剂,评价了该聚合物的抗温性能和抗盐钙能力。结果表明,该聚合物的防膨性能较好,2.0%该聚合物溶液的防膨率达到了89.9%;在200℃中仍具有较好的抗温能力,在NaCl浓度为30%和CaCl2浓度为10%的盐水泥浆中,钻井液的滤失量分别为5.5 mL和6.2 mL,抗盐钙性能较好。The polymer fluid loss additive was synthesized by acrylamide,2-acrylamido-2-methyl-propane sulfonic acid and allyl alcohol polyoxyethylene ether.The temperature resistance and salt tolerance of this polymer has been investigated by a large amount of fundamental evaluation.The result showed that the polymer swelling performance is better,anti-swelling rate of the polymer solution in 2.0% to 89.9%.This kind of polymer shows a good temperature resistance（200 ℃）,in the presence of a concentration of NaCl of 30% and CaCl2 of 10% for the salt water mud,the filtration of drilling fluid was 5.5 mL and 6.2 mL and it illustrated that this polymer have a good performance in the resistance of the salt and calcium.

关 键 词：降滤失剂 滤失量 抗温 抗盐 性能评价 

分 类 号：TE254.4[石油与天然气工程—油气井工程]