Well logging system and method

Details Well logging system and method Well logging system and method

G - Physics

01

V

340/102, 354/21,

G01V 11/00 (2006.01)

Patent

CA 1147825

IMPROVED WELL LOGGING SYSTEM AND METHOD ABSTRACT OF THE DISCLOSURE An improved well logging system and technique is pro- vided for correlating historically derived measurements with new measurements being derived at correlative depths as the well is logged. A logging sonde generates and de- livers to the surface digital logging data in realtime as A function of preselected depth intervals. This data is merged with compatible digital data which is historical in character and derived at correlative depths. The realtime and historical measurements derived at the same borehole elevations are correlatively matched for realtime record- ing, display and processing of the matched data. A con- verging technique is provided for accomplishing the initial merger independent of the direction of logging, the relative starting elevation of the sonde and historical data, and whether the realtime logging has begun prior to the merging process. Provision is made for transmitting from one or more remote observation and control sites the historical data employed in the merger, for transmitting the merged data to a remote location, and for transmitting from the remote location to the well site control signals in response to the merged data received by the remote site.

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