A wellbore cement sheath damage prediction model with the integration of acoustic wellbore measurements
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DOI: 10.1016/j.geothermics.2019.03.007
Abstract: Abstract This paper presents an analytical method of predicting cement sheath integrity with incorporation of wire-line acoustic measurements on an example of a deep, high-temperature geothermal well, located in central part of the Los Humeros… read more here.
Keywords: sheath damage; sheath; prediction model; damage prediction ... See more keywords
Novel ductile wellbore cementitious composite for geologic CO2 storage
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DOI: 10.1016/j.ijggc.2019.102896
Abstract: Abstract CO2 leakage through damaged wellbore cement sheaths is a major risk of geologic CO2 storage (GCS), as conventional wellbore cement is brittle and can be damaged due to acid attack and downhole stresses during… read more here.
Keywords: wellbore; co2; co2 storage; conventional wellbore ... See more keywords
Saline Brine Reaction with Fractured Wellbore Cement and Changes in Hardness and Hydraulic Properties
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DOI: 10.1089/ees.2020.0093
Abstract: The integrity of cemented wellbores is fundamental to the containment of subsurface greenhouse gases and hydrocarbons, while minimizing migration of deep subsurface brines. These brines contain sal... read more here.
Keywords: cement changes; brine reaction; fractured wellbore; saline brine ... See more keywords