one think that surprises me is that the biggest tube is 17.5 inch down to 5+ inch... for discovery is ok. What size tube do they need for production? how do they pump 10s of thousands of barrel per day from a 17.5 inch tube? Do they use multiple tubes? or put a new set of "pipes" in?
Consider this is coming from a person that know practically NOTHING about oil drilling, it almost seem magical! LOL.
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