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US 2006/0232438 A1Published application
Method and apparatus for telemetry
AssigneeHalliburton Energy Services, Inc.
InventorsChristopher Golla, Laban Marsh, Paul Rodney, Cili Sun, Bipin Pillai, Paul Beene
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Abstract
A method and related apparatus for telemetry between downhole devices and surface devices. In particular, the methods and related apparatus may send a first datum of a first parameter in an uncompressed form, and send a second datum of the first parameter in compressed form.
Claims21
A method comprising:
- sending a first datum of a first parameter in uncompressed form from a surface unit to a downhole unit;
- and
- sending a second datum of the first parameter in compressed form from the surface unit to the downhole unit within the mud column.
A method of transferring data values in a telemetry system, comprising:
- sending a predetermined value;
- sending a plurality of compressed values;
- and
- calculating the uncompressed values of the compressed values using the predetermined value.
1 more element
A system, comprising:
- a surface unit;
- and
- a downhole assembly communicatively coupled to the surface unit;
- wherein the surface unit transmits a group of compressed datums to the downhole assembly;
- wherein the downhole assembly determines uncompressed values of the compressed datums using a predetermined value.
2 more elements
Dependencies are inferred from the claim text.