History and key technological progress of natural gas development in the Sichuan Basin

被引：0

作者：

Zhang L. ^{[1
]}

Hu Y. ^{[2
]}

Li X. ^{[1
]}

Peng X. ^{[1
]}

Lu Y. ^{[3
]}

Liu Y. ^{[1
]}

Ge F. ^{[2
]}

Liu Q. ^{[1
]}

Zhang Z. ^{[1
]}

Liu P. ^{[1
]}

Zeng Y. ^{[4
]}

Zhang R. ^{[1
]}

Zhao Y. ^{[1
]}

Peng X. ^{[1
]}

Mei Q. ^{[2
]}

Wang Z. ^{[1
]}

机构：

[1] State Key Laboratory of Oil & Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu

[2] PetroChina Southwest Oil & Gasfield Company, Chengdu

[3] Sichuan Shale Gas Exploration and Development Com., Ltd., Chengdu

[4] Sinopec Southwest Oil & Gas Company, Chengdu

来源：

Natural Gas Industry | 2021年 / 41卷 / 12期

关键词：

100 billion cubic meters; History; Key technologies; Natural gas; Production base; Prospect; Sichuan Basin;

D O I：

10.3787/j.issn.1000-0976.2021.12.007

中图分类号：

学科分类号：

摘要：

According to the national plan, a natural gas production base of 100 billion cu m will be built in the Sichuan Basin. In order to promote and ensure the smooth construction of this base, the natural gas development history in the Sichuan Basin and the characteristics of each development stage are discussed, along with the progress in basic theories and key technologies in the field of natural gas developmen, while the development direction of the key development technologies was predicted. Results revealed that the modern natural gas industry in the Sichuan Basin experiences four stages, namely, initial exploration period, slow reserve and production increase period, rapid growth period and multi-source booming period. Great progress has been made in terms of drilling and reservoir stimulation technologies, gas reservoir engineering, drainage and gas recovery technologies and safe production of high-sulfur gas reservoirs. The main progress in drilling and reservoir stimulation technologies include drilling of deep and ultra-deep wells, staged multi-cluster dense fracturing of horizontal wells and volumetric acid fracturing of carbonate rocks; the progress in gas reservoir engineering is mainly reflected in the characterization of carbonate seepage models, fluid phase behavior analysis of complex gas reservoirs, numerical simulation of fracturing-production integration, and gas well test of complex gas reservoirs. The progresses in drainage and gas recovery technologies include diagnosis of wellbore liquid loading laws and the combined production technology. The main progresses in the safe production of high-sulfur gas reservoirs are reflected in the safe and efficient construction technology of deep and ultra-deep wells and the corrosion control technology of downhole and surface facilities. In the future, the development shall focus on carbonate gas, tight sandstone gas, shale gas and coalbed methane, and it is necessary to enhance theoretical research on complex multi-medium mass transfer and strive to improve the informatization and intellectualization level of key technologies such as well drilling and completion, reservoir stimulation and drainage and gas recovery.

引用

页码：60 / 72

页数：12

共 44 条

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