Technology

How our MWD telemetry works

Pulse encoding, noise rejection, throughput and difficult hole conditions. Every figure comes with its test conditions, and every limit is stated.

There is no cable across the thousands of metres between the tool and the rig floor: every bit…

In what the surface pressure transducer records, the downhole data is usually far smaller than…

On a channel whose bandwidth is fixed by physics, there are two ways to move more information:…

The lab and the rig are not the same place: lost-circulation material, heavy mud, gasified…