f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf ·...
Transcript of f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf ·...
![Page 1: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/1.jpg)
地热资源开发数值模拟
CMG·中国—2019年油气开发数值模拟技术研讨会
吴晓云
中国 西安
![Page 2: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/2.jpg)
地热资源的定义
• 原生性—是地壳内可供开发利用的地热能、地热流体及其有用组分,
是一种清洁能源。
• 用途广—发电、供暖、农业、养殖、医疗、旅游等
• 资源大—与煤炭、石油和天然气等传统的化石能源相比,量巨大、可
再生、低碳,清洁、环保、就地取用等优势
• 稳定性强—与太阳能、风能等可再生能源相比,不受季节天气的影响
![Page 3: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/3.jpg)
‘清洁’能源,备受全球瞩目
ESMAP, 2012
• 世界地热资源分布:
• 环太平洋地热带
• 地中海、喜马拉雅地热带
• 大西洋中脊地热带
• 红海、亚丁湾、东非大裂谷地热带
• 其他地热区
![Page 4: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/4.jpg)
地热资源——可再生能源领域的未来“黑马”
![Page 5: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/5.jpg)
中国地热资源分布
我国已经基本形成以西藏羊八井为代表的地热发电、以天津和西安为代表
的地热供暖、以东南沿海为代表的疗养与旅游和以华北平原为代表的种植
和养殖的开发利用格局。
![Page 6: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/6.jpg)
地热储层分类
地热资源
水热型
蒸汽型
热水型
地压型
干热岩
岩浆型
![Page 7: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/7.jpg)
地热储层分类
• 水热型(蒸汽型和热水型):地下储有大量热能的蓄水层,目前开发
利用的主要地热资源
![Page 8: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/8.jpg)
地热储层分类
• 地压型:以高压水的形式储存于地表以下2000~3000米深的沉积盆
地中、并被不透水页岩所封闭,其除热能之外往往还贮存有甲烷之类
的化学能及高压所致的机械能,能量潜力巨大但尚未可知
![Page 9: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/9.jpg)
地热储层分类
• 干热岩:地下普遍存在的没有水或蒸汽的热
岩石,其温度介于150℃~650℃之间
• 岩浆型:蕴藏在熔融状和半熔状岩浆中的巨
大热能,埋藏部位最深,温度高达600℃~
1500℃。
![Page 10: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/10.jpg)
中国地热开发目标
![Page 11: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/11.jpg)
地热开发数值模拟考虑机理
![Page 12: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/12.jpg)
地热物理现象
热力学因素
– 热焓
热传递
– 传导:
– 对流:
流体流动
– 基质系统
– 天然裂缝系统
– 水力压裂系统
![Page 13: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/13.jpg)
地热建模考虑机理
热流动(热传导和热对流)
相态变化(蒸发和冷凝)
热损失(储层边界和井筒)
人工裂缝(平面裂缝/SRV)
单孔/双孔/双渗
敏感性分析、参数优化(产量大小、裂缝参数等)
![Page 14: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/14.jpg)
热损失——井筒
计算蒸汽流动过程中压力、温度、干度变化和热损失与压降
SAM:
仅用于管流计算Flexwell:
![Page 15: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/15.jpg)
人工裂缝——平面裂缝和SRV
• 可导入GOHFER、StimPlan、FracProPT、FracPredictor & FieldPro等第三方压裂软件结果
• STARS 自2015版起添加水力压裂向导
![Page 16: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/16.jpg)
人工裂缝——平面裂缝和SRV
复杂缝网
平面裂缝
![Page 17: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/17.jpg)
单孔/双孔/双渗
双孔模型 双渗模型
MINC 模型 Subdomain子域模型
![Page 18: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/18.jpg)
敏感性分析、参数优化——产量大小、裂缝参数等
• 热组分模拟
• 热传递
• 先进的井筒热损压降计算
• 矿物反应
• 水力压裂和SRV模拟
• 敏感性分析(裂缝参数)
• 优化方案(注采产量大小)
• 不确定性评估,识别地质上可能存在
的风险
• 鲁棒优化,选择最“稳健”的运营策
略
![Page 19: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/19.jpg)
敏感性分析、参数优化——产量大小、裂缝参数等
Hofmann et al., 2014敏感性分析结果(阿尔伯塔HDR项目)
![Page 20: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/20.jpg)
印尼地热案例
![Page 21: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/21.jpg)
案例介绍
• 与印尼一家运营商合作,使用STARS模拟地热项目
• 该公司工程师使用了多种地热软件:
• CHEARS
• TOUGH2+ Tecplot
• STARS地热模拟与传统软件结果匹配,且性能更好
• 客户之后使用STARS进行全区地热模拟
![Page 22: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/22.jpg)
Benchmarking概况
软件测试的三个阶段:
• 单孔模型(斯坦福大学)
• 双重孔隙度模型(客户)
• 矿场模型(客户)
![Page 23: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/23.jpg)
印尼地热案例:一维单孔模型
• 一维径向稳态模型
• 单相流体中非稳态热传输
• 目的是测试单相区域的热传导
和对流。
![Page 24: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/24.jpg)
印尼地热案例:一维单孔模型
![Page 25: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/25.jpg)
印尼地热案例:一维单孔模型
![Page 26: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/26.jpg)
Rantau Dedap案例
![Page 27: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/27.jpg)
Rantau Dedap:机理模型
![Page 28: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/28.jpg)
Rantau Dedap 模型参数:
• 模型范围:沿东北-西南方向12公里,沿西
北-东南方向14公里
• 深度:3200 m
• 网格尺寸: 250m x 250m x 50m
• 网格数: 154261
• 单孔模型,带有高渗透断层
• 上边界:大气条件
• 下边界:23kg/s @ 1300 kJ/kg热流量
Rantau Dedap:创建3D模型
![Page 29: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/29.jpg)
Model-1: Single Heat Source – Free Convective
Model-2: Multiple Heat Source – Free Convective
Model-3: Multiple Heat Source – Force Convective
模拟结果:温度升高
![Page 30: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/30.jpg)
- 3,200 m-asl
- 100 m-asl
Model-3: Multiple Heat Source – Force ConvectiveModel-1: Single Heat Source – Free Convective Model-2: Multiple Heat Source – Free Convective
模拟结果
![Page 31: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/31.jpg)
Model-1: Single Heat Source – Free Convective
Model-2: Multiple Heat Source – Free Convective
Model-3: Multiple Heat Source – Force Convective
模拟结果
![Page 32: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/32.jpg)
热损失计算
![Page 33: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/33.jpg)
在流出和中间上升流的位置,计
算的热损失远远低于测量的热损
失
热损失计算
![Page 34: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/34.jpg)
计算温度剖面小于实测温度
温度剖面显示了机理模型中温度场的连续性
模拟结果与实测温度对比
![Page 35: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/35.jpg)
确认Rantau Dedap概念模型
测得的地面热损失太小,无法重建地下温度
模拟结果表明,该地热系统是一个相当复杂的分布
式热源系统
小结
![Page 36: f'#Cz$Æ 6 ¦ r W - Learn CMGlearncmg.cn/wp-content/uploads/2019/10/CMG2019Xian-11.pdf · 2019-10-25 · f'#.J0¬ p º+^ Ä f'# W Title: Microsoft PowerPoint - 11. å °ç èµ æº](https://reader033.fdocuments.net/reader033/viewer/2022050405/5f82de2b7ae71908f6606059/html5/thumbnails/36.jpg)
总结
• STARS可模拟地热项目所需的所有物理特征
• 复杂的传热计算
• 先进井筒模型,用于模拟井筒的热损失
• 平面裂缝和SRV模拟
• 矿物沉淀/溶解反应化学
• CMOST轻松进行敏感性分析和优化
• STARS已被多个地热研究机构用于地热模拟