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高温耐高压滑剂的合成和性能评估,用于水性钻井液凝系统

Shengming Huang^1,2, Tengfei Dong^2,3,4, Guancheng Jiang^1,2,3

¹College of Petroleum Engineering, Ministry of Education (MOE) Key Laboratory of Petroleum Engineering, China University of Petroleum (Beijing), Beijing 102249, China.

Gels (Basel, Switzerland)

|August 28, 2024

概括

一种新型滑剂,OAG (油酸和甘油),显著降低了高温,高盐度钻井液中的摩擦. 这提高了钻井效率和在具有挑战性的井条件下的稳定性.

科学领域:

石油工程是石油工程中的一个.
材料科学材料科学材料科学
部落学 (tribology) 是一个学科.

背景情况:

在高位移,水平和定向井的钻井操作面临着重大的摩擦和扭矩挑战.
现有的滑剂在高温和盐度的极端条件下经常失效.

研究的目的:

合成和评估一种新的钻井液滑剂,OAG,用于高温和高盐度环境.
评估OAG在减少摩擦和扭矩方面的性能和滑机制.

主要方法:

从油酸和糖醇合成OAG.
使用富里埃变换红外光谱 (FTIR) 和热重力测量分析 (TGA) 进行了表征.
在各种条件下 (温度,盐度,剂量) 通过粘附和滑系数评估滑性能.

主要成果:

OAG表现出极好的滑性能,滑系数降低了高达94.1%的滑率.
高热稳定性 (在200°C后16小时降解率为93.6%) 和盐度耐受性 (在35%NaCl下降解率为80.3%).
OAG增强了N80钢表面的疏水性,并形成了极端压力滑膜,减少了摩擦.

结论:

OAG是用于高温和高盐度钻井液的高效滑剂.
它保持了钻井液的质性质,并减少了过损失.
OAG为开发用于挑战性井的先进钻井流体系统提供了有价值的指导.

关键词:

极端压力滑油的使用情况耐高温的耐高温的材料.滑机制的滑机制滑保持性能滑保持性能基于水的钻井流体凝系统

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