Chapter 13 - Measurement While Drilling (MWD)

Question 1

How do you transmit data when you do MWD?

Answer 1

• through the mud column
• transmission system is know as mud pulse telemetry

Question 2

All MWD systems have what ?

Answer 2

• downhole system → consists of a powersource,sensors, transmitter and control system
• telemetry channel → (mud column) through which pulses are sent to surface
• surface system → which detects pulses, decodesthe signal and presents results (numerical display, geological log, etc.)