Invention Grant
- Patent Title: Downlink based on pump noise
- Patent Title (中): 基于泵噪声的下行链路
-
Application No.: US11771075Application Date: 2007-06-29
-
Publication No.: US07877211B2Publication Date: 2011-01-25
- Inventor: Jean-Marc Follini , Remi Hutin
- Applicant: Jean-Marc Follini , Remi Hutin
- Applicant Address: US TX Sugar Land
- Assignee: Schlumberger Technology Corporation
- Current Assignee: Schlumberger Technology Corporation
- Current Assignee Address: US TX Sugar Land
- Agent Dave R. Hofman
- Main IPC: G01V1/40
- IPC: G01V1/40

Abstract:
A method for determining a drilling event includes measuring a first signal from a sensor over a first selected time interval, measuring a second signal from the sensor over a second time interval, determining if a noise is reduced in the second signal.
Public/Granted literature
- US20080068210A1 DOWNLINK BASED ON PUMP NOISE Public/Granted day:2008-03-20
Information query