钻井完井液用H_2S祛除剂研究  

STUDY OF H_2S SCAVENGERS USED FOR DRILLING AND COMPLETION FLUIDS

作　　者：叶艳[1] 王书琪[2] 卢虎[2] 邹盛礼[2] 吴晓花[2] 

机构地区：[1]中国石油大学(北京)石油工程学院塔里木油田博士后工作站 [2]塔里木油田分公司

出　　处：《钻采工艺》2010年第5期108-110,142,共3页Drilling & Production Technology

摘　　要：分析了常用H2S祛除剂的优缺点,室内评价结果表明,无固相弱凝胶钻井液有一定的H2S吸收能力,但在H2S含量过高时效果不佳。新型液态络合物H2S祛除剂反应速度和祛除H2S效果均优于海绵铁等固体H2S祛除剂,除硫效率高,同时该剂与钻井完井液配伍性好,是国内钻完井液用H2S祛除剂的发展方向之一。Some advantages and disadvantages of regular H2S scavengers were analyzed,the absorbability of solid-free drilling fluid with weak acid gel to H2S was evaluated,the effect of liquid complex H2S scavengers was also introduced.The results showed that the solid-free drilling fluid with weak acid gel had certain absorbability to H2S,but when H2S content was high,the absorption effect was poor.Compared with solid H2S scavengers,liquid ferrous iron chelated scavenger had many advantages,such as fast reaction velocity,high sulphur removal efficacy,and good compatibleness with drilling & completion fluid.

关 键 词：钻井完井液 H2S祛除剂 亚铁络合物 无固相弱凝胶 

分 类 号：TE254[石油与天然气工程—油气井工程]