Welldone, you will just be blowing my head with lots of terms that are strange to me. At first when i saw Derrick as a principal part of drilling rig, i began to wonder until i read down. So now i can boldly tell somebody when SPE was founded and when the first commercial oil well was drilled. Very soon i will be lecturing students on this😀😀😀. Keep soaring dear
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Thank you very much @gnomicrules. Glad to know that you've learnt from this article. Keep steeming.