CAJ | 학술논문

中国石油化工股份有限公司中原油田分公司文东油田油藏比较复杂,油井使用普通缓蚀剂防腐效果不佳,相同配方药剂在不同断块应用效果差异比较大。为解决这些问题,进行了大量实验和研究,优选出了适合文东油田不同区块特性的系列缓蚀剂,而且缓蚀剂的配伍性、稳定性等指标均符合要求。对加药方式、加药浓度与腐蚀速率的关系也分别进行了实验,总结出了适合文东油田的最佳加药方式和加药浓度。结合室内试验和现场应用研究,在文东油田应用了点滴连续加药技术。点滴连续加药所用装置由立式可调柱塞泵、电动机、储药箱、计量加药系统、液位控制系统、加热系统及电路控制系统7部分组成,其中电加热控温系统,能保证药液在冬天不被结冻。点滴连续加药技术相对传统人工定期加药,不仅能降低劳动强度、延长检泵周期,还能节省药剂、提高缓蚀率。
중국석유화공고빈유한공사중원유전분공사문동유전유장비교복잡,유정사용보통완식제방부효과불가,상동배방약제재불동단괴응용효과차이비교대。위해결저사문제,진행료대량실험화연구,우선출료괄합문동유전불동구괴특성적계렬완식제,이차완식제적배오성、은정성등지표균부합요구。대가약방식、가약농도여부식속솔적관계야분별진행료실험,총결출료괄합문동유전적최가가약방식화가약농도。결합실내시험화현장응용연구,재문동유전응용료점적련속가약기술。점적련속가약소용장치유입식가조주새빙、전동궤、저약상、계량가약계통、액위공제계통、가열계통급전로공제계통7부분조성,기중전가열공온계통,능보증약액재동천불피결동。점적련속가약기술상대전통인공정기가약,불부능강저노동강도、연장검빙주기,환능절성약제、제고완식솔。
The oil deposit of Wendong Oil Field of SINOPEC Zhongyuan Oil Field Company is very complicated.The application of common corrosion inhibitors could not provide a good corrosion protection.Whereas,the same corrosion inhibitor formulations had different corrosion prevention results in different sections of oil well.To solve these problems,a large number of tests and research activities were performed.Corrosion inhibitors good for the specific characteristics of different blocks of Wendong Oil Field were optimally selected,and the compatibility,stability,etc of the inhibitor met the requirements.The relation between inhibitor injection and dosages with corrosion rate was studied by the tests,and the optimal inhibitor injection and dosages for Wendong Oil Field were worked out.A continuous dripping chemical injection system was developed,which included vertical adjustable plunger pump,electric motor,chemical box,chemical dosage system,level control system,heating system and electric control system.The electric heating system could ensure that the chemicals would not be frozen in winter.As compared with manual chemical injection,the continuous dripping chemical injection has reduced the work load,extended the operating cycle of pumps,saved chemicals and improved corrosion protection.