Sampler type, depth, penetration, and recovery. The depths of the various generalized soil and rock strata encountered. Identification of the subsoils and bedrock including density, consistency, color, moisture, structure, geologic origin. An accurate record of any deviation in the planned boring locations. Topographic survey data including boring location and surface elevation, and benchmark location and datum, if available. Typical boring log, core boring log and test pit log forms endorsed by the ASCE Soil Mechanics & Foundations Engineering Committee. The specific forms to be used for a given type of boring will depend on local practice. All appropriate portions of the logs should be completed in the field prior to completion of the field exploration.Ī wide variety of drilling forms are used by various agencies. The field log should be written or printed legibly and should be kept as clean as is practical. The HeaderURI for a particular borehole (well for simple wells) is the cross-referencing link (foreign key) used to associate the header record, well log metadata, temperature measurements, and other information from a particular borehole.The boring log is the basic record of almost every geotechnical exploration and provides a detailed record of the work performed and the findings of the investigation. For logs that are scanned or digitized and availble as online resources, metadata records will be created. Each row in the WellLogInformation sheet in this workbook will correspond to an individual log from a borehole thus there may be multiple rows per well. Typically maximum temperatures are recorded from log headers, and reported as 'bottom hole temperature' using the borehole temperature observation service. Basic information from the header is used to create Well Header features used to index borehole locations with the information associated with the borehole. Information compiled in this workbook can be used to populate the Well Header data delivery template, Borehole Temperature template and to populate Metadata records for well log documents. This workbook is designed as a guideline for compiling information from well log headers. WELL LOG DATA FOR SERVICE NEEDS TO GO INTO THE WELL LOG CONTENT MODEL (see ).
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