氯化钾钻井液缓蚀剂的研究

张姣姣; 龚厚平; 陈李; 袁亮; 陈为; 陈东升; 周永璋

doi:10.3969/j.issn.1001-5620.2017.03.010

氯化钾钻井液缓蚀剂的研究

doi: 10.3969/j.issn.1001-5620.2017.03.010

1. 南京工业大学环境学院, 南京 210009;
2. 江苏石油工程有限公司钻井处, 江苏扬州 225261

基金项目:

江苏省自然科学基金青年基金项目"氯化钾钻井液体系钻具防腐技术"（BK2012429）。

详细信息

作者简介:
张姣姣,硕士,1992年生,现在从事钻井液腐蚀防护研究工作。电话18709402274;E-mail:1556143962@qq.com。

中图分类号: TE254.4
计量
- 文章访问数: 604
- HTML全文浏览量: 149
- PDF下载量: 125
- 被引次数: 0
出版历程
- 收稿日期: 2017-02-18
- 刊出日期: 2017-05-31

A Corrosion Inhibitor for Potassium Salt Drilling Fluids

1. School of Environmental Sciences and Engineering, Nanjing, Jiangsu 210009;
2. Drilling Department of Jiangsu Petroleum Engineering Co., Ltd., Yangzhou, Jiangsu 225261

摘要

摘要: 钻井液添加剂的成分比较复杂，会对井下钻具钢造成不可估计的腐蚀，甚至使钻具钢因腐蚀而报废。针对这一问题，笔者主要通过失重法、电化学实验及电镜扫描等途径，对氯化钾钻井液体系中缓蚀剂进行筛选，并对其腐蚀机理进行了研究。研究结果表明，0.7%含硅化合物+0.7%二乙烯三胺+0.1%三乙烯四胺复配时，缓蚀效果最好，缓蚀率达到90.36%；电化学实验和电镜扫描实验表明，该复配缓蚀剂产生的腐蚀电流较小，具有降低点蚀敏感性，抑制点蚀发生的效果。研究结果表明，该缓蚀剂可用于钾盐钻井液中钻具钢的防腐。
- 缓蚀剂 /
- 氯化钾钻井液 /
- 失重法 /
- 电化学实验 /
- 电镜扫描
Abstract: Drilling fluid additives have very complex composition which will cause corrosion to downhole drilling assembly, or even cause the drilling assembly to become unusable. To resolve this problem, corrosion inhibitors for use in KCl drilling fluids have been selected through weight loss method, electrochemistry experiment and SEM, and the mechanisms of corrosion caused by KCl drilling fluids have been studied. The best corrosion inhibition results were obtained with this drilling fluid composition:0.7% silicon compound + 0.7% diethylenetriamine + 0.1% triethylenetetramine, the rate of corrosion inhibition was 90.36%. Electrochemistry and SEM tests showed that the corrosion inhibitor selected for use in KCl drilling fluid had good corrosion inhibitive capacity and application prospect.
- Weigh loss method /
- Electrochemistry experiment /
- Scanning electron microscope /
- Corrosion inhibitor /

HTML全文

参考文献(17)

[1]	林海,陈磊,郭康,等.长北气田钻具腐蚀控制技术[J].钻井液与完井液,2013,30(4):37-40. LIN Hai,CHEN Lei,GUO Kang,et al.Drilling tool corrosion control technology in Changbei field[J].Drilling Fluid&Completion Fluid,2013,30(4):37-40.
[2]	郭康,胡恒,俞浩杰.钻井液与钻具腐蚀控制探究[J].中国石油和化工标准与质量,2011,31(11):122-122. GUO Kang,HU Heng,YU Haojie.Research on drilling fluid and drilling tool corrosion control[J].China Petroleum and Chemical Standard and Quality,2011,31(11):122-122.
[3]	高玉庆.空气钻井钻具腐蚀研究[J].化工管理,2014(14):185-185.GAO Yuqing.Corrosion of drilling tools in air drilling[J].Chemical Enterprise Management,2014 (14):185-185.
[4]	贺林,李茂国.试论影响钻具腐蚀的因素及策略研究[J].中国石油和化工标准与质量,2011,31(2):157-157. HE Lin,LI Maoguo.Study on the factors affecting drilling tool corrosion and its strategy[J].China Petroleum and Chemical Standard and Quality,2011,31(2):157-157.
[5]	夏天果,丁志敏,何银坤,等.湿H2S环境下钻具腐蚀断裂机理及预防措施[J].石油化工腐蚀与防护,2015(3):17-21.XIA Tianguo,DING Zhimin,HE Yinkun,et al.Mechanism of corrosion and fracture of drilling tool under wet H 2 S condition and preventive measures[D].Corrosion&Protection in Petrochemical Industry,2015(3):17-21.
[6]	段梦宇,荣继光,潘一,等.钻井液对钻具的腐蚀性规律研究[J].当代化工,2016,45(3):573-575. DUAN Mengyu,RONG Jiguang,PAN Yi,et al.Study on corrosion regularity of drilling fluid to drilling tools[J].Contemporary Chemical Industry,2016,45(3):573-575.
[7]	豆刚锋,张利威,雷志永.关于高温模拟海洋钻井液中的复合缓蚀剂实验探究[J].化工管理,2014(32):16-16.DOU Gangfeng,ZHANG Liwei,LEI Zhiyong.Experimental investigation on compound inhibitors in high temperature simulated marine drilling fluid[J].Chemical Enterprise Management,2014 (32):16-16.
[8]	D E M A D I S K D,S T A T H O U L O P O U L O U A.Multifunctional,environmentally friendly additives for control of inorganic foulants in industrial water and process applications[J].Materials Performance,2006,45(1):40-44.
[9]	杨向同,肖伟伟,刘洪涛,等.甲酸盐对套管/油管腐蚀速率评价方法与影响因素[J].钻井液与完井液,2016,33(6):51-57. YANG Xiangtong,XIAO Weiwei,LIU Hongtao,et al.Evaluation method and influence factors of corrosion rate of casing/tubing by formate[J].Drilling Fluid&Completion Fluid,2016,33(6):51-57.
[10]	ODEWUNMI N A,UMOREN S A,GASEM Z M.Watermelon waste products as green corrosion inhibitors for mild steel in HCl solution[J].Journal of Environmental Chemical Engineering,2015,03(01):286-296.
[11]	郭辛阳,步玉环,郭胜来,等.耐CO₂ 腐蚀磷铝酸盐固井水泥浆的研制[J].钻井液与完井液,2014,31(5):67-70. GUO Xinyang,BU Yuhuan,GUO Shenglai,et al.Preparation of CO₂ corrosion resistant sulphoaluminate cement slurry[J].Drilling Fluid&Completion Fluid,2014,31(5):67-70.
[12]	潘兵,刘秀军,黄伟,等.含二氧化碳地层钻井液的复合缓蚀剂研究[J].钻井液与完井液,2008,25(2):19-21. PAN Bing,LIU Xiujun,HUANG Wei,et al.Study on composite inhibitors of drilling fluid containing carbon dioxide formation[J].Drilling Fluid&Completion Fluid,2008,25(2):19-21.
[13]	王志龙,罗跃,杨龙龙,等.水基钻井液腐蚀性评价的失重法与电化学法的方法比较[J].化学工程师,2013,27(11):50-52. WANG Zhilong,LUO Yue,YANG Longlong,et al.Comparison of weight-loss methods and electrochemical methods for evaluating corrosion of water based drilling fluids[J].Chemical Engineer,2013,27(11):50-52.
[14]	刘波,薛然明,王海宝.低Cl-环保钻井液技术研究[J].化工管理,2016(8):148-148.LIU Bo,XUE Ranming,WANG Haibao.Research on environmental protection drilling fluid technology with lowCl-[J].Chemical Enterprise Management,2016 (8):148-148.
[15]	张文哲,郑力会,李伟,等.绒囊钻井液腐蚀性主要影响因素研究[J].当代化工,2015(5):1106-1108.ZHANG Wenzhe,ZHENG Lihui,LI Wen,et al.Study on main influencing factors of corrosion of bursa drilling fluid[J].Contemporary Chemical Industry,2015 (5):1106-1108.
[16]	张艳娜,孙金声,王倩,等.国内外钻井液技术新进展[J].钻井工程,2011,31(7):47-62. ZHANG Yanna,SUN Jinsheng,WANG Qian,et al.New development of drilling fluid technology at home and abroad[J].Drilling Engineering,2011,31(7):47-62.
[17]	NATARAJAN S,Babu S P K.Corrosion and its inhibition in SA213-T22 TIG weldments used in power plants under neutral and alkaline environments[J].Materials Science and Engineering,2006,432(1):47-51.