地热资源开发潜力及应用前景评价——以开封祥符区为例

doi:10.13809/j.cnki.cn32-1825/te.2024.06.003

油气藏评价与开发 ›› 2024, Vol. 14 ›› Issue (6): 842-848.doi: 10.13809/j.cnki.cn32-1825/te.2024.06.003

地热资源开发潜力及应用前景评价——以开封祥符区为例

孙冠宇¹(), 柏宗宪¹(), 李洪达¹, 王宇飞¹, 柏宗翰², 高慧杰¹, 祝志敏¹, 黄政¹, 马英亮¹, 王亮亮³

1.中国石油冀东油田公司新能源事业部，河北唐山 063000
2.中国石油冀东油田公司南堡作业区，河北唐山 063000
3.中国石油大学（华东）石油工程学院，山东青岛 266580

收稿日期:2024-04-26 发布日期:2024-12-10 出版日期:2024-12-26
通讯作者: 柏宗宪 E-mail:sunguanyu@petrochina.com.cn;baizongxian77@163.com
作者简介:孙冠宇（1983—），男，本科，高级工程师，主要从事地热资源、地热能开发等研究。地址：河北省唐山市路北区新华西道101号，邮政编码：063000。E-mail：sunguanyu@petrochina.com.cn
基金资助:
中国石油科学研究与技术开发项目课题“地热资源开发利用关键技术研究”(2021DJ5502(CF))

Evaluation of development potential and application prospect of geothermal resources: A case study of Xiangfu District in Kaifeng

SUN Guanyu¹(), BAI Zongxian¹(), LI Hongda¹, WANG Yufei¹, BAI Zonghan², GAO Huijie¹, ZHU Zhimin¹, HUANG Zheng¹, MA Yingliang¹, WANG Liangliang³

1. New Energy Division, PetroChina Jidong Oilfield Company, Tangshan, Hebei 063000, China
2. Operation Area of Nanpu Oilfield, PetroChina Jidong Oilfield Company, Tangshan, Hebei 063000, China
3. Department of Petroleum Engineering, China University of Petroleum（East China）, Qingdao, Shandong 266580, China

Received:2024-04-26 Online:2024-12-10 Published:2024-12-26
Contact: BAI Zongxian E-mail:sunguanyu@petrochina.com.cn;baizongxian77@163.com

摘要/Abstract

摘要：

随着全球对清洁能源需求的增加，地热资源作为可再生能源受到广泛关注。该研究以开封市祥符区为例，评价了该地区地热资源的开发潜力及应用前景。研究表明：祥符区热储层的垂向温度场可分为变温带、恒温带和增温带，深度影响显著。地温梯度在500 m以深随深度增加而增大，500 m以浅逐渐降低。地热流体的化学成分分析显示，不同深度热储层间水化学类型差异明显，各热储层之间无显著水力联系。根据最大允许降深法和可采水量换算法，估算无回灌条件下地热流体可开采总量为9 390×10⁴ m³；在完全回灌条件下，地热流体可开采总量为360.7×10⁸ m³，开发潜力巨大。研究成果为祥符区地热资源的高效开发利用提供了科学依据和指导。

关键词: 地热资源, 地温梯度, 温度场, 回灌潜力, 开发潜力

Abstract:

With the growing global demand for clean energy, geothermal resources as a renewable energy source have attracted widespread attention. This study evaluated the geothermal resource development potential and application prospects in the Xiangfu District of Kaifeng City. The results showed that the vertical temperature field of the thermal reservoir in the Xiangfu District could be divided into varying temperature zones, constant temperature zones, and increasing temperature zones, with depth significantly influencing the temperature distribution. The geothermal gradient increased with depth above 500 m and gradually decreased below 500 m. Chemical analysis of geothermal fluids showed significant differences in the water chemistry types between thermal reservoirs at different depths, with no significant hydraulic connection between the reservoirs. Based on the maximum allowable depth reduction method and the extracted water volume method, the total exploitable geothermal fluid without reinjection was estimated to be 9,390×10⁴ m³. Under complete reinjection conditions, the total exploitable geothermal fluid was estimated to be 360.7×10⁸ m³, indicating substantial development potential. These research findings provide a scientific basis and guidance for the efficient development and utilization of geothermal resources in the Xiangfu District.

Key words: geothermal resources, geothermal gradient, temperature field, reinjection potential, development potential

中图分类号:

TE09

孙冠宇,柏宗宪,李洪达等. 地热资源开发潜力及应用前景评价——以开封祥符区为例[J]. 油气藏评价与开发, 2024, 14(6): 842-848.

SUN Guanyu,BAI Zongxian,LI Hongda, et al. Evaluation of development potential and application prospect of geothermal resources: A case study of Xiangfu District in Kaifeng[J]. Petroleum Reservoir Evaluation and Development, 2024, 14(6): 842-848.

图/表 8

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热储层埋深/m	砂岩层比/%	热导率/[W/（m·K）]
300~450	40.17	1.679
450~600	38.43	1.685
600~800	38.47	1.685
800~1 000	46.35	1.761
1 000~1 300	37.87	1.786
1 300~1 600	45.33	1.764

井位	类别	δD/‰	δ¹⁸O/‰	TU	地热流体年龄/a
尉氏	降水	-9.6	-11.9	—	—
开封市	降水	-58.8	-7.9	15.47	—
郑州西尖岗水库	地表	-57.9	-7.7	19.75	—
郑州西南山区	降水	-37.6	-5.7	37.09	—
磷肥厂（开封市东郊）	地热流体	-75.5	-10.5	—	15 630±310
开封市节水办西郊浅井	地热流体	-72.2	-10.1	<0.50	17 460±230
开封市自来水厂	地热流体	-70.3	-10.3	<0.50	—
开封市646厂	地热流体	-74.8	-10.7	—	—
隆氏公司（开封市西郊）	地热流体	-71.0	-9.8	<0.50	18 910±270
供电局（开封市中部）	地热流体	-72.0	-9.5	—	21 140±430
通许宾馆	地热流体	-70.8	-10.9	—	—
开封市节水办西郊深井	地热流体	-78.2	-10.4	—	22 090±260
汴京饭店（开封市中部）	地热流体	-75.2	-9.5	<0.50	23 040±280
开封市节水办东郊深井	地热流体	-73.1	-9.4	<0.50	24 120±430
通信公司（开封市中部）	地热流体	-68.8	-8.6	<0.50	24 970±330
开封市运管处	地热流体	-78.0	-10.6	0.47	23 130±240
天泉宾馆	地热流体	-64.0	-8.5	0.45	24 400±320
开封风雅颂置业有限公司	地热流体	-76.0	-10.1	0.29	24 170±290
武警指挥学院（中牟县）	地热流体	-73.0	-9.9	0.26	12 610±200
中牟东湖度假村浅井	地热流体	-72.0	-9.6	0.36	13 520±210
兰考蓬莱温泉酒店	地热流体	-77.0	-10.1	0.47	19 420±340
原阳原华温泉	地热流体	-77.0	-10.6	0.27	19 290±260
中牟东湖度假村深井	地热流体	-74.0	-9.7	0.31	13 580±220
郑州黄河迎宾馆园内	地热流体	-70.0	-9.7	0.44	12 210±400
郑州黄河渔场	地热流体	-75.0	-10.1	0.38	12 170±290

热储层	计算分区	可开采量/ （m³/d）	可开采总量/ 10⁹m³	可利用热量/ 10¹⁸J	折合标准煤/ 10⁴t
温水储层	Ⅰ	8 837	3.23	3.53	1.20
温水储层	Ⅱ	10 016	3.66	3.03	1.04
温热水储层	Ⅰ	2 683	0.98	1.74	0.59
温热水储层	Ⅱ	2 968	1.08	1.48	0.51
热水储层	Ⅰ	631	0.23	0.66	0.23
热水储层	Ⅱ	568	0.21	0.52	0.18
合计		25 703	9.39	10.96	3.75

热储层	计算分区	可开采量/ （m³/d）	可开采总量/ 10⁹ m³	可利用热量/ 10¹⁸ J	折合标准煤/ 10⁴ t
温水储层	Ⅰ	333 134	12.16	1.17	3 990
温水储层	Ⅱ	269 122	9.82	0.92	3 140
温热水储层	Ⅰ	104 575	3.82	0.61	2 080
温热水储层	Ⅱ	140 040	5.11	0.77	2 630
热水储层	Ⅰ	92 789	3.39	0.98	3 340
热水储层	Ⅱ	48 626	1.77	0.44	1 500
合计		988 286	36.07	4.89	16 680

地热资源开发潜力及应用前景评价——以开封祥符区为例

Evaluation of development potential and application prospect of geothermal resources: A case study of Xiangfu District in Kaifeng

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