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文章导航 > 钻探工程 > 2023 > 50(4): 149-154

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李洪达, 周宏, 赵鹏飞, 张吉昌, 陈炫沂, 郭光正, 武少堃. 2023. 集中式砂岩型热储地热资源开采井网优化与实践. 钻探工程, 50(4): 149-154. doi: 10.12143/j.ztgc.2023.04.020
引用本文: 李洪达, 周宏, 赵鹏飞, 张吉昌, 陈炫沂, 郭光正, 武少堃. 2023. 集中式砂岩型热储地热资源开采井网优化与实践. 钻探工程, 50(4): 149-154. doi: 10.12143/j.ztgc.2023.04.020
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LI Hongda, ZHOU Hong, ZHAO Pengfei, ZHANG Jichang, CHEN Xuanyi, GUO Guangzheng and WU Shaokun, . 2023. Optimization and practice of well pattern for exploitation of geothermal resources in centralized sandstone thermal reservoir. DRILLING ENGINEERING, 50(4): 149-154. doi: 10.12143/j.ztgc.2023.04.020
Citation: LI Hongda, ZHOU Hong, ZHAO Pengfei, ZHANG Jichang, CHEN Xuanyi, GUO Guangzheng and WU Shaokun, . 2023. Optimization and practice of well pattern for exploitation of geothermal resources in centralized sandstone thermal reservoir. DRILLING ENGINEERING, 50(4): 149-154. doi: 10.12143/j.ztgc.2023.04.020
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集中式砂岩型热储地热资源开采井网优化与实践

  • 1.冀东油田地热项目部，河北 唐山 063004,

  • 2.辽河油田环境工程公司，辽宁 盘锦 124010,

  • 3.中煤西安设计工程有限责任公司，陕西 西安 710000

  • 4.吉林大学新能源与环境学院，吉林 长春 130012,

  • 5.唐山冀东地热能开发有限公司，河北 唐山 063004

  • 基金项目:

    中国石油天然气股份有限公司重大科技攻关项目“地热资源开发利用关键技术研究”（编号：2021DJ5502）

详细信息
    作者简介: 李洪达，男，汉族，1982年生，工程师，地质工程专业，主要从事地热开发工作，河北省唐山市路北区新华西道冀东油田第二科研办公区，jd_lhd@petrochina.com.cn。

Optimization and practice of well pattern for exploitation of geothermal resources in centralized sandstone thermal reservoir

  • 1.Geothermal Project Department of Jidong Oilfield, Tangshan Hebei 063004, China,

  • 2.Environmental Engineering Company of Liaohe Oilfield, Panjin Liaoning 124010, China,

  • 3.China Coal Xi’an Design Engineering Co., Ltd, Xi’an Shaanxi 710054, China；

  • 4.College of New Energy and Environment， JiLin University, Changchun Jilin 130012, China,

  • 5.Tangshan Jidong Geothermal Energy Development Co., Ltd, Tangshan Hebei 063004, China

    摘要
  • 近年来人们对中深层砂岩型地热资源开发越来越重视，集中开采逐步成为常态。在集中式砂岩型地热井井群部署过程中，井距、井网不仅决定地热井多年后温度和水位变化，也影响着地热项目的寿命及经济性。文章以冀东曹妃甸新城2.3×106 m2地热供暖项目为例，研究了集中式砂岩型地热开采井网优化。在研究区地热勘查的基础上，利用采灌试验确定地热井开采量为100 m3/h、回灌量为80 m3/h。采用数值建模优化地热采灌井井距为450 m，地热采灌井井网按交错式排状部署。采用多井先导试验验证地热井开采量、回灌量的合理性，并制定地热井采灌运维制度，实现100%自然回灌。利用井群多年采灌生产数据建模，预测热储渗流场水位与温度变化。为规模化地热资源开发提供技术支持。
    In recent years， people have paid more and more attention to the development of medium-deep sandstone geothermal resources， and centralized exploitation has gradually become the norm. In the deployment process of centralized sandstone geothermal wells， well spacing and well pattern not only determine the temperature and water level changes of geothermal wells after many years， but also affect the life and economy of geothermal projects. This paper takes the geothermal heating project with an area of 2.3×106m2 in Jidong Caofeidian Newtown as an example， the optimization of centralized sandstone geothermal exploitation well pattern is studied. On the basis of geothermal exploration in the study area， the exploitation volume of geothermal wells is 100m3/h and the reinjection volume is 80m3/h. Numerical modeling is used to optimize the well spacing of geothermal production and irrigation wells to 450m， and the well pattern of geothermal production and irrigation wells is arranged in staggered rows. Multi-well pilot test is used to verify the rationality of the production and reinjection volumn of the geothermal well， and the geothermal well production and irrigation operation and maintenance system is formulated to achieve 100% natural reinjection. The water level and temperature changes for many years of the thermal reservoir seepage field are predicted by modeling the production data of the well group. It can provide technical support for large-scale geothermal resource development.
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收稿日期:  2023-04-13
修回日期:  2023-06-23

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