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164

Sand Content and Gas Shows: Alberta Water Well Database Analysis

AB

RPCL

TEQG

March 2005

Play(s):
N/A
Fluid(s):
Water
N/A
Area:
AB
N/A

The most recent Alberta Environment Water well Database provided by the Province includes data up to August 2003. This file was acquired and loaded into a SQL database within which the following analytical steps were taken: Ran initial queries to determine table structure and well counts, created a list of all sand descriptions from lithology column, flagged all wells that met our sand criteria, flagged wells that had a gas present indicator or gas in the comment table, ran queries on flags to acquire well counts, calculated the total sand thickness for each well, broke all wells down to 50m depth intervals, calculated the sand thickness within each interval, and flagged and omitted all Gas & Oil wells. The data distribution and the sand content for each layer were then mapped and contoured to show the variations between each layer.