IC 040. US 100 103 106. G & S: Oil field development and production services, namely, oil well fracturing, oil processing
IC 042. US 100 101. G & S: Underwater and subsea exploration services; engineering; analysis for oilfield exploitation; geological research; geological surveys; geological prospecting; oil prospecting; oilfield surveys; oil-well testing; Oil field development and production services, namely, oil field exploration, oil well testing; oil and gas well intervention services, namely, performing well diagnostics
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