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요약정보
钻井液用润滑剂与螺杆橡胶的配伍性 / Study on Compatibility of Drilling Fluid Lubricants and Screw Rubbers
Resource Type
Academic Journal
Authors
杨川
;
孟祥娟
;
赛亚尔·库西马克
;
李旭
;
田鸣
;
刘丰
;
黄倩
;
YANG Chuan
;
MENG Xiangjuan
;
KOXMAK Sayyara
;
LI Xu
;
TIAN Ming
;
LIU Feng
;
HUANG qian
Source
钻井液与完井液 / Drilling Fluid & Completion Fluid
. 40(1):60-66
Subject
螺杆橡胶
溶胀性能
钻井液
润滑剂
Language
Chinese
ISSN
1001-5620
Online Access
Scopus
Find it @ DONGA
초록
对钻井液用润滑剂与螺杆橡胶在高温深井条件下的配伍性开展了实验研究.在不同温度和钻井液处理剂浓度条件下,对比评价油田在用8款橡胶与钻井液处理剂接触后的体积增加率、质量增加率和拉伸强度变化情况.实验结果表明,橡胶样品在添加了润滑剂R-1和R-3的钻井液中变化较大(添加R-1的体积变化率分布在56%~175%,添加R-3的体积变化率分布在49%~148%),随着润滑剂浓度升高,2种类型的橡胶质量变化率和体积变化率随之升高,橡胶溶胀增大.说明润滑剂原料油为螺杆橡胶溶胀的关键影响因素.通过气质联用技术对其进行分析,发现原料油以中质芳香烃为主的润滑剂对橡胶溶胀影响相对较大;并结合润滑剂的应用性能优选出适用于高温深井的钻井液用润滑剂.在台盆区三开和目的层暂停使用中质不饱和烃含量高的润滑剂,螺杆脱胶现象得以明显改善.据统计,该区块每月平均脱胶次数由11井次/月降为0.5井次/月,显著减少了起下钻趟数,提高了生产效率.
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