海水水泥浆用分散型降失水剂的制备及性能  

Synthesis and performances of fluid loss additive available in sea water-based cement slurry system

作　　者：郭春[1] 郭锦棠[1] 陈頔[1] 于永金 刘硕琼 Guo Chun Guo Jintang Chen Di Yu Yongjin Liu Shuoqion(Sehool of Chemieal Engineering and Technology, TianjinUniversity, Tianjin300350, China Drilling Research Institute ofCNPC, Beijing 100089, China)

机构地区：[1]天津大学化工学院,天津300350 [2]中国石油集团钻井工程技术研究院,北京100089

出　　处：《石油化工》2017年第5期608-613,共6页Petrochemical Technology

基　　金：国家科技重大专项项目(2016ZX05020-004)

摘　　要：以2-丙烯酰胺基-2-甲基丙磺酸(AMPS)、马来酸酐(MA)、N,N-二甲基丙烯酰胺(DMAM)、烯丙基聚乙二醇(APEG)为单体合成了一种四元共聚物降失水剂AMDA,采用FTIR、失水仪等手段对其进行表征,考察了降失水剂AMDA配制的海水水泥浆的性能,并与降失水剂ADM(AMPS/DMAM/MA)的性能进行对比,探讨了降失水剂AMDA的吸附机理。表征结果显示,所制备的产物即为目标产物,在高温条件下具有良好的热稳定性。实验结果表明,降失水剂AMDA加量为3%(w)时,API失水量为44 m L,流动度达250 mm,明显优于降失水剂ADM(60 m L,220 mm);降失水剂AMDA通过吸附机理作用达到控失水目的,在海水水泥浆体系中应用前景良好。A new quadric-polymer fluid loss additive, namely AMDA, was synthesized from 2-acrylamide-2-methyl propanesulfonic acid（AMPS）, maleic anhydride（MA）, N,N-dimethyl acrylamide（DMAM） and allyl alcohol polyoxyethylene ether（APEG）. The fluid loss additive was characterized by means of FTIR and filter press. The performances of sea water cement slurry with AMDA were investigated and compared with the performances of ADM（AMPS/DMAM/MA）. The adsorption mechanism of AMDA was discussed. The characterizations showed that, the prepared product was the target product and had good stability at high temperature. It was indicated that when the AMDA content was at 3%（w）, the fluid loss of API（American Petroleum Institute） was 44 mL and the fluidity was 250 mm, which was better than those of ADM（60 mL, 220 mm）. AMDA had filtration control effect through the adsorption mechanism.

关 键 词：降失水剂 分散性 海水 流动度 失水量 

分 类 号：TE256[石油与天然气工程—油气井工程]