<https://drillingcontractor.org/offline-operations-in-the-eagle-ford-help-marathon-oil-to-reduce-flat-time-on-critical-path-of-drilling-rig-46586#primaryimage>
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"Adrian Binnion advised that strict consistency is necessary to maintain the economic benefit of offline surface casing running, due to the extra equipment costs incurred and the small margins associated with the operation. Marathon Oil also has field-tested offline production casing cementing on five wells in the Eagle Ford, which has also proven to be a technical success."
<https://drillingcontractor.org/offline-operations-in-the-eagle-ford-help-marathon-oil-to-reduce-flat-time-on-critical-path-of-drilling-rig-46586>