Bottomhole pressure in a static geothermal well

Input(s)

ρ\rho: Density (lb/ft3)\left(\mathrm{lb} / \mathrm{ft}^{3}\right)

D: Vertical Depth (ft)

gg: Acceleration of Gravity (m/s2)\left(\mathrm{m} / \mathrm{s}^{2}\right)

gcg_{c}: Units Conversion Factor (m/s2)\left(\mathrm{m} / \mathrm{s}^{2}\right)

Output(s)

dpdD\frac{d p}{d D}: Bottomhole Pressure in a Static Well (psi/ft)(\mathrm{psi} / \mathrm{ft})

Formula(s)

dpdD=ρ144ggc\frac{\mathrm{dp}}{\mathrm{dD}}=\frac{\rho}{144} \cdot \frac{\mathrm{g}}{\mathrm{g}_{\mathrm{c}}}

Reference(s)

Ramey Jr, H. J. (1981). Reservoir Engineering Assessment of Geothermal, Systems. Department of Petroleum Engineering, Stanford University. Page: 7.4.


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