After running the casing and before the cementing the well, a used drill bit is inserted into the well via a drillstring, and drilling fluid is then circulated for a certain amount of time to ...

After a well has been drilled, should the drilling fluids be removed ... is joined together to make a continuous hollow tube, casing is run into the well. The different levels of the well define ...

Tyson Seeliger, VP of Eastern Hemisphere Operations at Nabors, highlights the company’s recent successes, acquisitions, and ...