Experimental study on drilling fluid additive JLX—B for inhibiting natural gas hydrate formation

doi:10.7623/syxb200803031

Editorial office of ACTA PETROLEI SINICA ›› 2008, Vol. 29 ›› Issue (3): 463-466.DOI: 10.7623/syxb200803031

• Petroleum Engineering • Previous Articles Next Articles

Experimental study on drilling fluid additive JLX—B for inhibiting natural gas hydrate formation

SUN Baojiang¹, MA Xinben², LIU Xiaolan¹, REN Shaoran¹

1. College of Petroleum Engineering, China University of Petroleum, Dongying 257061, China;
2. The second Oil Production Factory, Sinopec Jiangsu Oilfield Company, Jinhu 211600, China

Received:2007-11-02 Revised:2008-01-29 Online:2008-05-25 Published:2010-05-21

钻井液添加剂JLX—B抑制天然气水合物形成的实验研究

孙宝江¹, 马欣本², 刘晓兰¹, 任韶然¹

1. 中国石油大学石油工程学院山东东营 257061;
2. 中国石化江苏油田分公司试采二厂江苏金湖 211600

作者简介:孙宝江,男,1963年11月生,1999年获北京大学流体力学专业博士学位,现为中国石油大学(华东)石油工程学院教授、博士生导师,主要研究方向为油气井流体力学与工程、海洋石油工程等.E-mail:sunbj1128@126.com
基金资助:
国家高技术研究发展计划(863)重大项目(2006AA09A106)"深水钻完井关键技术"资助.

Abstract

Abstract:

A full suite of experimental facilities for simulating the conditions of deep-water borehole was used to analyze natural gas hydrate in pure water-methane system.A basic comparison system was established,and a series of laboratory experiments on inhibiting to natural gas hydrate formation by adding additive JLX-B into drilling fluid were carried out.The time-pressure curves of additive JLX-B under different additive concentration and same additive concentration at the different initial pressure were obtained.The experimental result showed that the drilling fluid could be added a certain additive JLX-B to delay the formation of natural gas hydrate in deep-water drilling process.If the amount of additive JLX-B is permitted,the more the amount of additive JLX-B is,the better the inhibition is.

Key words: drilling fluid, additives, polymeric alcohol, natural gas hydrate, experimental study

摘要：

利用模拟深水井筒条件的实验设备,对纯水-甲烷体系中的天然气水合物进行了实验,建立了基础对比体系,并对钻井泥浆添加剂JLX-B抑制天然气水合物形成的作用进行了室内实验,得到了聚合醇JLX-B在不同浓度和相同浓度不同初始压力下的温压曲线.实验结果表明,在深水钻井用的钻井液中加入一定质量分数的聚合醇类处理剂JLX-B,可以延迟天然气水合物的形成.在添加剂量允许的条件下,加入质量越多,抑制效果越明显.

关键词: 钻井液, 添加剂, 聚合醇, 天然气水合物, 实验研究

CLC Number:

TE311

SUN Baojiang, MA Xinben, LIU Xiaolan, REN Shaoran. Experimental study on drilling fluid additive JLX—B for inhibiting natural gas hydrate formation[J]. Editorial office of ACTA PETROLEI SINICA, 2008, 29(3): 463-466.

孙宝江, 马欣本, 刘晓兰, 任韶然. 钻井液添加剂JLX—B抑制天然气水合物形成的实验研究[J]. 石油学报, 2008, 29(3): 463-466.

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Experimental study on drilling fluid additive JLX—B for inhibiting natural gas hydrate formation

钻井液添加剂JLX—B抑制天然气水合物形成的实验研究

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