Use of tracers and temperature to estimate fracture surface area for EGS reservoirs

Shook, G. Michael; Suzuki, Anna

doi:10.1016/j.geothermics.2016.12.006

Cited by 26 publications

(21 citation statements)

References 10 publications

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“…Shook and Suzuki (2017) [16] developed a simple estimation method for fracture surface areas based on tracer response and short-term temperature decline curve. In their model, flow rates and pore volumes in flow paths were estimated from tracer responses, and the surface area of the flow paths were estimated by fitting temperature curves.…”

Section: Methodsmentioning

confidence: 99%

“…Based on the flow path model, Shook and Suzuki (2017) [16] proposed a method to determine flow properties for several flow paths uniquely, by using tracer and short-term thermal response data between a pair of an injection and a production wells. Their method removed the fracture aperture by combining mass and heat transfer equations and allows to estimate effective heat transfer areas for multi-channel flow.…”

Section: Introductionmentioning

confidence: 99%

“…In this paper, we summarized a series of estimation of heat transfer area and future prediction using tracer and short-term temperature decline curves based on the method from Shook and Suzuki (2017) [16]. Although the method was already proposed [16], they did not apply to real field data. In addition, in their model, flow rates and pore volumes in flow paths were estimated from tracer responses, and the surface area of the flow paths were estimated by fitting temperature curves.…”

Section: Introductionmentioning

confidence: 99%

“…where K R is the thermal conductivity. From Equations (14) and (15) and the following boundary condition (16), an analytical solution (17) can be written in the following form.…”

mentioning

confidence: 99%

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Estimations of Fracture Surface Area Using Tracer and Temperature Data in Geothermal Fields

et al. 2019

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Reinjection is crucial for sustainable geothermal developments. In order to predict thermal performances due to cold-water injection, a method was developed to estimate effective fracture surface areas (i.e., heat transfer areas). Tracer response curves at production wells are analyzed to determine flow rates and pore volumes, and the fracture surface areas are optimized by short-term thermal response curves. Because the method erases fracture apertures from the equation by combining mass and heat transfer equations, the fracture surfaces can be analyzed without assuming that the fracture shape is a parallel plate. The estimation method was applied to two geothermal field datasets: One involved an artificially created reservoir, and the other involved a naturally occurring reservoir. The estimated heat transfer areas are reasonable in the field geometries. Once the fracture surface area is estimated, the future temperature change and power generation can be predicted. This can provide a simple and quick method to design reinjection strategies.

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Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

“…where K R is the thermal conductivity. From Equations (14) and (15) and the following boundary condition (16), an analytical solution (17) can be written in the following form.…”

mentioning

confidence: 99%

See 2 more Smart Citations

Estimations of Fracture Surface Area Using Tracer and Temperature Data in Geothermal Fields

et al. 2019

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“…However, parameters in the flow path model are not unique for multi-channel flow. Based on the flow path model, Shook and Suzuki (2017) proposed a method to determine flow properties for several flow paths uniquely, by using tracer and thermal response data between a pair of an injection and a production wells. Their method allows estimation of effective heat transfer areas for multi-channel flow.…”

Section: Introductionmentioning

confidence: 99%

122 Development of Numerical Methods for Estimating Fluid Flow Path in Fractured Geothermal Reservoir

Ikhwanda

Suzuki

Willis-Richards

et al. 2018

The Proceedings of Conference of Tohoku Branch

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Reinjection is crucial for sustainable geothermal developments. In order to predict thermal performances due to cold water injection, a method has been developed to estimate effective heat transfer areas. Tracer response curves at production wells are analyzed to determine flow rate and pore volume at each flow path, and effective heat transfer areas are optimized by short-term thermal response curves from the same production wells. This study accounted for water leakage from the flow path into surrounding rocks in the estimation method. The estimation method was validated by comparing with numerical simulation results. The estimation results show good accuracies of the effective heat transfer areas in the numerical simulation. This method was applied to data from the Balcova geothermal field. The estimated heat transfer areas were reasonable.

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Technologies for Deep Geothermal Energy

Fink

Heim

2022

SpringerBriefs in Earth System Sciences

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Use of tracers and temperature to estimate fracture surface area for EGS reservoirs

Cited by 26 publications

References 10 publications

Estimations of Fracture Surface Area Using Tracer and Temperature Data in Geothermal Fields

Estimations of Fracture Surface Area Using Tracer and Temperature Data in Geothermal Fields

122 Development of Numerical Methods for Estimating Fluid Flow Path in Fractured Geothermal Reservoir

Technologies for Deep Geothermal Energy

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