Specially Customized System for Cementing Glass Reinforced Epoxy GRE Casings - Development and Field Trials in a Geothermal Project

Lummer, Nils Recalde; Block, Robert M.; Yadigarov, Y..

doi:10.2118/184597-ms

Cited by 1 publication

(1 citation statement)

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“…Li [4] presented experimental investigations on thermo-responsive cement to achieve good insulation of high temperature wells. Lummer et al [5] discussed a customized system for cementing geothermal wells, including the thermal properties of the cement, insisting on the importance of measuring these properties. Jimenez et al [6] discussed the thermal conductivity and thermal expansion of neat, foamed, and elastic oil-well cements, also showing the importance of data to allow for risk reduction and production maximization.…”

Section: Introductionmentioning

confidence: 99%

Estimation of Cement Thermal Properties through the Three-Phase Model with Application to Geothermal Wells

2018

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Geothermal energy has been used by mankind since ancient times. Given the limited geographical distribution of the most favorable resources, exploration efforts have more recently focused on unconventional geothermal systems targeting greater depths to reach sufficient temperatures. In these systems, geothermal well performance relies on efficient heat transfer between the working fluid, which is pumped from surface, and the underground rock. Most of the wells designed for such environments require that the casing strings used throughout the well construction process be cemented in place. The overall heat transfer around the wellbore may be optimized through accurate selection of cement recipes. This paper presents the application of a three-phase analytical model to estimate the cement thermal properties. The results show that cement recipes can be designed to enhance or minimize heat transfer around wellbore, extending the application of geothermal exploitation.

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Section: Introductionmentioning

confidence: 99%