Electrothermal lifting by wellbore Kelvineffect is the best support technique for heavy oil recovery at present.
井筒集肤效应电热举升工艺技术是目前稠油开采中最佳的配套技术。
2
The action of the support in preserving stability of surrounding rock masses is analyzed and its effect is proved being remarkable with using Kelvin-Voigt model and viscoelastic theory.