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METHODS AND SYSTEMS FOR DETERMINING SUBTERRANEAN FRACTURE CLOSURE
METHODS AND SYSTEMS FOR DETERMINING SUBTERRANEAN FRACTURE CLOSURE
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机译：确定次断裂封闭性的方法和系统
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摘要
Methods and systems for determining subterranean fracture closure are disclosed herein. The methods can include electrically energizing a casing of a wellbore that extends from a surface of the earth into a subterranean formation having a fracture that is at least partially filled with an electrically conductive proppant and measuring a first electric field response at the surface or in an adjacent wellbore at a first time interval to provide a first field measurement. The methods can also include measuring a second electric field response at the surface or in the adjacent wellbore at a second time interval to provide a second field measurement and determining an increase in closure pressure on the electrically conductive proppant from a difference between the first and second field measurements.
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