Present-day temperature-pressure field and its implications for the geothermal resources development in the Baxian area, Jizhong Depression of the Bohai Bay Basin

被引：6
|
作者：
Zhang Y. [1 ]
Chang J. [2 ,3 ]
Liu N. [2 ,3 ]
Liu J. [1 ]
Ma X. [1 ]
Zhao S. [1 ]
Shen F. [4 ]
Zhou Y. [5 ]
机构：
[1] PetroChina Huabei Oilfield Company, Renqiu, 062552, Hebei
[2] State Key Laboratory of Petroleum Resources and Prospecting, China University of Petroleum, Beijing
[3] College of Geosciences, China University of Petroleum, Beijing
[4] Institute of Oceanology, Chinese Academy of Sciences, Qingdao, 266071, Shandong
[5] Great Wall College, China University of Geosciences, Baoding, 071000, Hebei
来源：
| 2017年 / Natural Gas Industry Journal Agency卷 / 37期
关键词：
Abnormally high temperature area; Baxian area; Bohai Bay Basin; Geothermal gradient; Geothermal resources; Jizhong Depression; Overpressure; Pressure; Temperature;
D O I：
10.3787/j.issn.1000-0976.2017.10.016
中图分类号：
学科分类号：
摘要：
Current geothermal gradient and the horizontal distribution characteristics of the temperature and pressure at different depths in the Baxian area were studied based on massive measured temperature and pressure data of the boreholes, and then the relationship was also discussed between the temperature–pressure field and the geothermal resources. Results showed that the current geothermal gradient of the Baxian area is within the range of 21.8–73.5 ℃/km, averaging 33.5 ℃/km, its strata temperature increases as the depth increases. The horizontal variations of the geothermal gradient and strata temperature correspond to the basement relief very well. As the abnormally high temperature areas, the northern Niutuozhen Uplift, the Central Baxian Depression and the central East Langgu Depression possess huge geothermal resources and will be the most favorable exploration targets, and the formation pressure of the Baxian area is characterized by normal pressure and weak overpressure, and its horizontal distribution varies at different depths.
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页码：118 / 126
页数：8
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