Method and apparatus for mud pulse telemetry

Details Method and apparatus for mud pulse telemetry Method and apparatus for mud pulse telemetry

G - Physics

01

V

G01V 3/00 (2006.01)

Patent

CA 2532115

A method and related apparatus for telemetry between downhole devices and surface devices generate a signal as shown in figure 3. The apparatus may send a first datum of a first parameter in an uncompressed form (35) and send a second datum of the first parameter in compressed form (38). Delta value compression is the preferred method.

Cette invention concerne un procédé et un dispositif connexe de télémétrie par émission d'un signal entre des dispositifs à fond de trou et des dispositifs en surface. Le dispositif peut envoyer une première donnée d'un premier paramètre sous une forme non compressée (35) et une seconde donnée de ce premier paramètre sous une forme compressée (38). Le procédé préféré repose sur la compression d'une valeur delta.

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