MWD in the Oil and Gas IndustryPowered by COBUILD (ɛm dʌbəlyu di) or measurement while drilling
(Extractive engineering: Field development, Operations) MWD is a system of takingmeasurements while drilling downhole. ⇒ MWD allows measurements to be sent to the surface continuously while the hole is being drilled. ⇒ MWD allows an operator almost immediate feedback on both the geometry of the hole being drilled and the characteristics of the formations being penetrated. ⇒ MWD is a system of taking measurements while drilling downhole.