Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.1029/2018WR024029 |
Harmonic Pulse Testing for Well Monitoring: Application to a Fractured Geothermal Reservoir | |
Borello, E. Salina1; Fokker, P. A.1,2; Viberti, D.1; Verga, F.1; Hofmann, H.3; Meier, P.4; Min, K. -B.5; Yoon, K.6; Zimmermann, G.3 | |
2019-06-01 | |
发表期刊 | WATER RESOURCES RESEARCH |
ISSN | 0043-1397 |
EISSN | 1944-7973 |
出版年 | 2019 |
卷号 | 55期号:6页码:4727-4744 |
文章类型 | Article |
语种 | 英语 |
国家 | Italy; Netherlands; Germany; Switzerland; South Korea |
英文摘要 | Harmonic Pulse Testing (HPT) has been developed as a type of well testing applicable during ongoing field operations because a pulsed signal is superimposed on background pressure trend. Its purpose is to determine well and formation parameters such as wellbore storage, skin, permeability, and boundaries within the investigated volume. Compared to conventional well testing, HPT requires more time to investigate the same reservoir volume. The advantage is that it does not require the interruption of well and reservoir injection/production before and/or during the test because it allows the extraction of an interpretable periodic signal from measured pressure potentially affected by interference. This makes it an ideal monitoring tool. Interpretation is streamlined through diagnostic plots mimicking conventional well test interpretation methods. To this end, analytical solutions in the frequency domain are available. The methodology was applied to monitor stimulation operations performed at an Enhanced Geothermal System site in Pohang, Korea. The activities were divided into two steps: first, a preliminary sequence of tests, injection/fall-off, and two HPTs, characterized by low injection rates and dedicated to estimate permeability prior to stimulation operations, and then stimulation sequence characterized by a higher injection rate. During the stimulation operations other HPT were performed to monitor formation properties behavior. The interpretation of HPT data through the derivative approach implemented in the frequency domain provided reliable results in agreement with the injection test. Moreover, it provided an estimation of hydraulic properties without cessation of stimulation operations, thus confirming the effectiveness of HPT application for monitoring purposes. |
英文关键词 | well testing periodic hydraulic testing injection testing hydraulic properties monitoring Enhanced Geothermal Systems |
领域 | 资源环境 |
收录类别 | SCI-E |
WOS记录号 | WOS:000477616900013 |
WOS关键词 | PERIODIC PUMPING TESTS ; STIMULATION ; DESIGN |
WOS类目 | Environmental Sciences ; Limnology ; Water Resources |
WOS研究方向 | Environmental Sciences & Ecology ; Marine & Freshwater Biology ; Water Resources |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/183967 |
专题 | 资源环境科学 |
作者单位 | 1.Politecn Torino, Turin, Italy; 2.TNO Appl Geosci, Utrecht, Netherlands; 3.GFZ German Res Ctr Geosci, Potsdam, Germany; 4.Geoenergie Suisse AG, Zurich, Switzerland; 5.Seoul Natl Univ, Dept Energy Resources Engn, Seoul, South Korea; 6.Nexgeo, Seoul, South Korea |
推荐引用方式 GB/T 7714 | Borello, E. Salina,Fokker, P. A.,Viberti, D.,et al. Harmonic Pulse Testing for Well Monitoring: Application to a Fractured Geothermal Reservoir[J]. WATER RESOURCES RESEARCH,2019,55(6):4727-4744. |
APA | Borello, E. Salina.,Fokker, P. A..,Viberti, D..,Verga, F..,Hofmann, H..,...&Zimmermann, G..(2019).Harmonic Pulse Testing for Well Monitoring: Application to a Fractured Geothermal Reservoir.WATER RESOURCES RESEARCH,55(6),4727-4744. |
MLA | Borello, E. Salina,et al."Harmonic Pulse Testing for Well Monitoring: Application to a Fractured Geothermal Reservoir".WATER RESOURCES RESEARCH 55.6(2019):4727-4744. |
条目包含的文件 | 条目无相关文件。 |
除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。
修改评论