#6591. Characteristic law of borehole deformation induced by the temperature change in the surrounding rock of deep coalbed methane well

January 2027publication date
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Energy (all);
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Abstract:
The borehole stability of the coalbed methane (CBM) well has always been vital in deep CBM exploration and development. The borehole instability of the deep CBM well is due to many complicated reasons. The change in the surrounding rock temperature is an important and easily overlooked factor among many reasons. In this research, we used methods that include experiment and numerical simulation to study the characteristic law of the borehole deformation induced by the changes in the surrounding rock temperature of deep CBM well.
Keywords:
deep CBM well; deformation; experiment; numerical simulation; petroleum engineering; petroleum wells-drilling/production/construction; surrounding rock temperature; unconventional petroleum

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