玻璃微珠支撑剂在复杂煤层中不同排量下的运移规律研究

doi:10.19286/j.cnki.cci.2025.10.021

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摘要

水力压裂支撑剂是在储层压裂改造中用来支撑水力裂缝的一种关键材料。具备优异形状的支撑剂可以提高支撑剂的运输效率，本文探讨了玻璃微珠支撑剂在复杂煤层中不同排量下的运移规律，采用控制变量法，以输送排量为变量，在压裂支撑剂输送及铺砂模拟装置中进行了运移实验。结果表明，小排量有利于玻璃微珠支撑剂填充近入口裂缝，大排量有利于填充较远较深层的裂缝。主裂缝中大排量实验组沙堤能更快达到平衡，随排量的增加，1.2 L/min排量组分别比2.1、3.0、4.3 L/min排量组填充率多34.5%、38％、69%，排量越大，主裂缝的沙堤填充率越小。

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	郝军1
	张乾2
	马思聪3
	尹献龙3

关键词 ：玻璃微珠, 支撑剂, 运移规律, 输送排量, 煤层裂缝, 流动性

Abstract：

Hydraulic fracturing proppant is a key material used to support hydraulic fractures in reservoir fracturing modification. A proppant with excellent shape can improve the proppant transport efficiency, so this paper investigates the use of glass beads as proppant. In order to explore the transport law of glass beads proppant under different displacements in complex coal seams, this paper adopts the control variable method, and takes the transport displacement as the variable, and conducts the transport experiments in the fracturing proppant transport and sand spreading simulation device. The results show that small displacement is favourable for glass beads proppant to fill near-entry fractures, and large displacement is favourable for filling fractures in more distant and deeper layers. In the main fracture, the sandbank of the large-displacement experimental group can reach equilibrium faster compared with that of the small-displacement experimental group, and with the increase of the displacement, the filling rate of the 1.2L/min displacement group is 34.5%, 38%, and 69% more than that of the 2.1L/min, 3.0L/min, and 4.3L/min displacement groups, respectively, and the larger the discharge, the smaller the filling rate of the sand embankment of the main crack.

Key words： glass beads proppant transportation law conveying discharge coal seam cracks shifting

通讯作者: 马思聪（ 1999— ），男，回族，宁夏吴忠人，研究生在读。

作者简介: 郝军（ 1981— ），男，山西长治人，高级工程师。

引用本文:

郝军1，张乾2，马思聪3，尹献龙3. 玻璃微珠支撑剂在复杂煤层中不同排量下的运移规律研究[J]. 煤炭与化工, 2025, 48(10): 104-108. Hao Jun1, Zhang Qian2, Ma Sicong3, Yin Xianlong3. Study on the transportation law of glass bead proppant in complex coal seams with different discharges. CCI, 2025, 48(10): 104-108.

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http://www.mtyhg.com.cn/CN/10.19286/j.cnki.cci.2025.10.021 或 http://www.mtyhg.com.cn/CN/Y2025/V48/I10/104

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