摘要
本文介绍了抗高温抗盐阳离子降滤失剂CHSP-Ⅰ的合成方法，评价了CHSP-Ⅰ的抑制性能、抗高温抗盐降滤失性能，简介了CHSP-Ⅰ在塔里木、南海、渤海等油田应用的实例。该降滤失剂能耐200℃以上高温，抗钙能力强，可抗盐至饱和，具有良好的抑制性能和降滤失作用，与其它处理剂配伍性良好，适用于各种水基钻井液体系。
The laboratory preparation of the titled filtrate loss reducer,CHSP-Ⅰ,from sodium sulfomethylhumate,sodium salt of hydrolyzed polyacrylonitrile, phenol and formaldehyde is described. The results of a comprehensive comparative laboratory evaluation show that: CHSP-Ⅰmakes the filter cake of clay mud more compact and stronger is tolerent to 0. 7% CaCl_2 and to NaCl up to saturation concentration, has good inhibitory capacity against shale desintegration and is heat resistant up t0 >200℃ (as to maintain HTHP filtrate losses of the mud) ; the cationic polymer muds treated by CHSP-Ⅰin 1 -3% have excellent overall inhibitory effects. CHSP-Ⅰhas put into field use in drillig more than 70 wells of various types. Two examples of using CHSP-Ⅰ are presented: in a MMH sea water mud for drilling a horizontal well in Bohai offshore; in a new antisloughing cationic polymer mud for drilling a deep well with some 15 high pressure zones of high salinity barine.
出处
《油田化学》
CAS
CSCD
北大核心
1996年第1期21-24,共4页
Oilfield Chemistry
关键词
阳离子
降滤失剂
钻井液处理剂
抑制性
抗高温性
Cationic Filtrate Loss Reducer, Drilling Fluid Addtive, Research and Development of Chemical Agent,Inhibitory Ability, Tolerency to Salt and Calcium, High Temperature Resistance
