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Temperature Evolution of Circulated Well Fluid Temperatures

While working for Mobil Oil, I was involved with research projects where temperatures in circulated wells and inactive wells were measured and subesequently attempts were made to match measurements using the thermal modeling finite element software. I have developed educational models using the Abaqus FEM software and have also developed algorithms to produce analytical solutions for circulated and injection well fluid temperatures based on selected published works.

{1} Ramey, H. J. Jr., "Wellbore Heat Transmission," J. Pet. Tech., (April 1962): pp. 427-435.

{2} Holmes, Charles S. and Swift, Samuel C., "Calculation of Circulating Mud Temperatures", J. Pet. Tech., (June 1970), 670-674.

{3} Arnold, F. C., 1990, "Temperature Variation in a Circulating Wellbore Fluid," J. Pet. Tech., Vol. 112, pp. 79-83.

Drilled Stratigraphy of an Idealized Well.

Arlington, Texas 12/12/2009

Well Fluid Temperatures Returning to the Equilibrium Geothermal Gradient after 6 Months of Circulation.

Well Temperatures Returning to the Equilibrium Geothermal Gradient after the Empty Well is Instantaneously Filled with Water.

Well Fluid Temperatures as a Function of Injection Rate using the Ramey{1} formulation.

Conduit and Annulus Temperatures in a Well Circulated for 150 days, at a rate of 3000lbs/hr., using the Arnold {3} and Holmes & Swift {2} formulations.

Arlington, Texas 12/12/2009

Conduit and Annulus Temperatures in a Well Circulated for 150 days, at a rate of 6000lbs/hr., using the Arnold {3} and Holmes & Swift {2} formulations.