Geothermal wellbore heat transmission: Stabilization times for “static” and “transient” wellbore temperature profiles

Satman, Abdurrahman; Türeyen, Ömer İnanç

doi:10.1016/j.geothermics.2016.07.003

Cited by 14 publications

(11 citation statements)

References 8 publications

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“…The results are shown in Table 2. heat conduction model (10) to calculate the reservoir temperature at 100 and 150, respectively. The results are shown in Figure 3.…”

Section: The Transient Temperature Of Fracturing Fluidmentioning

confidence: 99%

“…He held the point that the friction heat generated on the fracturing fluid temperature could not be ignored. Satman et al 10 conducted an in-depth discussion of the wellbore heat transfer theory and clarified the essence of static and transient heat transfer. You et al 11 established a fully implicit algorithm for the wellbore to gain the unsteady temperature field of surrounding rock.…”

Section: Introductionmentioning

confidence: 99%

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The influence on casing stress for shale gas fracturing wells considering thermo-pressure coupling effect

Guo¹,

Li²,

Liu³

et al. 2018

IPCSE

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During the hydraulic fracturing process for shale gas wells, the fracturing fluid is injected into the wellbore with large pump rate. The bottom-hole temperature will decrease sharply, which increasing the risk of casing failure. Based on the actual data of shale gas wells, the influence of rheological parameters of fracturing fluid on heat transfer coefficient is analyzed. A transient thermo-pressure coupling model of casingcement sheath-formation combination is established. Sensitivity analysis is conducted for different pump rates, pressures and injection temperatures. The results indicate that: i. The rheological parameters of fracturing fluid can affect the heat transfer coefficient between the fluid and borehole wall, which in turn affects the temperature distribution at the bottom of the wellbore. ii. The increasing of pump rate will drastically reduce the bottom-hole temperature, then thermal stress generating on the casing. iii. The higher the original reservoir temperature, the greater the influence of the temperature. iv. The casing stress decreases then increases with the increasing of fracturing pressure. Therefore, the rheological parameters of fracturing fluid should be chosen reasonably to reduce the heat transfer coefficient. What is more, it is crucial to choose the appropriate fracturing pump rate, fracturing pressure and injection temperature, as far as possible to reduce the bottom-hole temperature difference, which avoiding excessive casing stress to enhance the casing safety for fracturing shale gas wells.

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“…The results are shown in Table 2. heat conduction model (10) to calculate the reservoir temperature at 100 and 150, respectively. The results are shown in Figure 3.…”

Section: The Transient Temperature Of Fracturing Fluidmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

The influence on casing stress for shale gas fracturing wells considering thermo-pressure coupling effect

Guo¹,

Li²,

Liu³

et al. 2018

IPCSE

View full text Add to dashboard Cite

show abstract

“…which is based on a best curve fit of the data provided by Ramey, (1962), Ramey, (1964), and Ramey, (1981). According to Satman and Tureyen, (2016) it is accurate within 1% for the relevant time scales. In equation 4.11 t D is a dimensionless time defined by…”

Section: Heat Distribution In a Geothermal Wellmentioning

confidence: 97%

“…Following Satman and Tureyen, (2016) the temperature in an injection well into which a single phase fluid is injected is given by…”

Section: Heat Distribution In a Geothermal Wellmentioning

confidence: 99%

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Modeling heat and fluid flow in discrete fracture networks: application to fluid-driven seismicity and engineered geothermal systems

Jansen¹

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Finally, I present a simple and efficient algorithm to generate hexahedral meshes from a geological model to be used in numerical simulation tools. Using binary space partitioning of the input geometry and octree refinement on the grid, a successive increase in accuracy of the mesh is achieved. The algorithm provides a new method for hexahedral mesh generation in geological settings. It generates high accuracy discretizations with cell counts suitable for state-of-the-art subsurface simulators.

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A novel cyclical wellbore-fluid circulation strategy for extracting geothermal energy

Saedi

Sharma

Kabir

2021

Energy

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Geothermal wellbore heat transmission: Stabilization times for “static” and “transient” wellbore temperature profiles

Cited by 14 publications

References 8 publications

The influence on casing stress for shale gas fracturing wells considering thermo-pressure coupling effect

The influence on casing stress for shale gas fracturing wells considering thermo-pressure coupling effect

Modeling heat and fluid flow in discrete fracture networks: application to fluid-driven seismicity and engineered geothermal systems

A novel cyclical wellbore-fluid circulation strategy for extracting geothermal energy

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