Fracability evaluation model and application of hydraulic fracturing in natural gas hydrate reservoir

被引：0

作者：

Liu X. ^{[1
,2
,3
]}

Guo T. ^{[1
]}

Qu Z. ^{[1
]}

Sun Y. ^{[1
]}

Hou J. ^{[1
]}

Xu H. ^{[4
]}

He J. ^{[5
]}

机构：

[1] School of Petroleum Engineering, China University of Petroleum(East China), Qingdao

[2] School of Earth and Spacing Sciences, Peking University, Beijing

[3] Beijing International Center for Gas Hydrate, Peking University, Beijing

[4] CNPC Offshore Engineering Company Limited, Beijing

[5] SINOPEC Petroleum Exploration and Production Research Institute, Beijing

来源：

Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology) | 2022年 / 53卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Fracability evaluation; Fracability index; Hydraulic fracturing; Natural gas hydrate;

D O I：

10.11817/j.issn.1672-7207.2022.03.026

中图分类号：

学科分类号：

摘要：

Based on analytic hierarchy process and entropy value method, the fracability evaluation model of natural gas hydrate(NGH) reservoir was established. Combined with the hydraulic fracturing test results, the fracability of NGH reservoir was evaluated. The results show that the fracability index (IF), which is determined by the properties of NGH reservoir, plays a key role in the fracability. The NGH reservoirs with high IF is favorable for hydraulic fracturing. On the whole, the NGH reservoirs with fracability index less than 0.48 fail to form fractures even with high viscosity and high injection rate of fracturing fluid, and those NGH reservoirs are not suitable for hydraulic fracturing. The NGH reservoirs with fracability index between 0.48 and 0.60 have good fracability conditions, but the injection rate and viscosity of fracturing fluid need to be improved to reduce the fracturing fluid filtration. The NGH reservoirs with fracability index higher than 0.60 are basically suitable for hydraulic fracturing. Those NGH reservoirs are preferred reservoirs for hydraulic fracturing technology. But fracturing fluid with low viscosity (such as slickwater) is not suitable. It is recommended to use high viscosity fracturing fluid with anti-clay slime welling components to reduce the fracturing fluid filtration and inhibit clay slime. © 2022, Central South University Press. All right reserved.

引用

页码：1058 / 1068

页数：10

共 30 条

[1]

LU S M., RETRACTED: a global survey of gas hydrate development and reserves: specifically in the marine field, Renewable and Sustainable Energy Reviews, 41, pp. 884-900, (2015)

[2]

YE Jianliang, QIN Xuwen, XIE Wenwei, Et al., Main progress of the second gas hydrate trial production in the South China Sea, Geology in China, 47, 3, pp. 557-568, (2020)

[3]

WANG Shuling, SUN Zhangtao, Current status and future trends of exploration and pilot production of gas hydrate in the world, Marine Geology Frontiers, 34, 7, pp. 24-32, (2018)

[4]

WU Nengyou, LI Yanlong, WAN Yizhao, Et al., Prospect of marine natural gas hydrate stimulation theory and technology system, Natural Gas Industry, 40, 8, pp. 100-115, (2020)

[5]

YU Tao, GUAN Guoqing, ABUDULA A., Production performance and numerical investigation of the 2017 offshore methane hydrate production test in the Nankai Trough of Japan, Applied Energy, 251, (2019)

[6]

LIANG Yunpei, LIU Shu, WAN Qingcui, Et al., Comparison and optimization of methane hydrate production process using different methods in a single vertical well, Energies, 12, 1, (2019)

[7]

LI Shouding, SUN Yiming, CHEN Weichang, Et al., Analyses of gas production methods and offshore production tests of natural gas hydrates, Journal of Engineering Geology, 27, 1, pp. 55-68, (2019)

[8]

WANG M, WANG X, DENG C, Et al., Process modeling and energy efficiency analysis of natural gas hydrate production by CH4-CO2/H2 replacement coupling steam methane reforming, Computer Aided Chemical Engineering, 47, pp. 131-136, (2019)

[9]

KONNO Y, JIN Y, YONEDA J, Et al., Hydraulic fracturing in methane-hydrate-bearing sand, RSC Advances, 6, 77, pp. 73148-73155, (2016)

[10]

TOO J L, CHENG A, KHOO B C, Et al., Hydraulic fracturing in a penny-shaped crack. Part I: methodology and testing of frozen sand, Journal of Natural Gas Science and Engineering, 52, pp. 609-618, (2018)

← 1 2 3 →