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New Well Report (Well Log) Form. Mike Wei, P. Eng., WLAP Diana Allen, P. Geo., SFU Tammy Blair, WLAP BCGWA AGM Penticton, March 4, 2005. Outline. Purpose for a new well form Overview of form Next steps
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New Well Report (Well Log) Form Mike Wei, P. Eng., WLAP Diana Allen, P. Geo., SFU Tammy Blair, WLAP BCGWA AGM Penticton, March 4, 2005
Outline • Purpose for a new well form • Overview of form • Next steps • Example of information in well construction reports to assist in regional mapping of the aquifer at Grand Forks
Why change the current well log form? • Update existing form with new terms in the Ground Water Protection Regulation (GWPR); e.g., class of well
Elements of the new form • Primarily designed for water wells • Record of work of: • Well construction, • Significant alteration, • Well closure • Incorporates new terms and requirements in the GWPR • Promotes standardization of well reporting, with particular focus on lithologic description • Facilitates more efficient analysis of well data
How was the form developed? • Based largely on the existing well log form • Incorporates GWPR reporting requirements for well construction, alteration or closure work • Review / input from the Ground Water Advisory Board (GWAB) and select water well drillers
Two options for the form • Two options for the form are available: • “free” form • “Ontario” form • Both promote the use of standard lithological terms; difference in the form is how lithology is entered by the driller; • Everything else on the form is the same
Overview of form - top part • Well owner and mailing address • Well location (critical for processing into WELLS) • Address, Legal or PID and • GPS (UTM or LAT LONG) • Type of work • Method of drilling • Type of well (refer to class and sub-class on back of form)
Overview of form - lithology • Refer to standard lithologic descriptions on the back of the form • What are standard lithologic descriptions? • Lithology type • Hardness • Colour
Overview of form – lithology(Ontario form) • Requires a “shift in thinking” on how lithology is filled out “by numbers” • Benefit: standardized lithology provides a common basis for describing, processing and eventual interpretation of data • Electronic well report can be printed out with lithologic terms as word descriptions, not numbers
Example of Ontario Litho Entry 1 = most dominant; 2 = second most dominant; 3 = minor; 4 = trace
Overview of form – development, yield, water quality, summary, (closure)
Overview of form – footer • Disclaimer • Form number • Additional sheets, if necessary • Copies
Overview of form – back • Class, sub-class of wells • FOI statement • Guidance on how to fill out the lithologic table • Guidance on how to fill out the well closure table • Information on who is responsible for the work • Abbreviations
How does the form relate to the WELLS database? • Database is now being formatted to accommodate this new form • 8 ½” X 14” forms (hard copy “pads”) will need to be entered into WELLS by WLAP staff • A driller will be able to enter the data directly on-line using a new web-based well entry form (under development). For on-line submission, the report may be formatted to print on an 8 ½” X 11” sheet
Next steps • Indication of interest from drillers in trying out one or both versions of the form in the field • WLAP to print up well form “pads” • Get feedback from drillers for improvement of structure of the form • Revise and finalize version of form by Nov. 1, 2005
Well records are critical to ouroverall understanding of aquifers • Recent aquifer assessment studies: • Grand Forks, Abbotsford, Gulf Islands • Okanagan Basin • All aquifer classification mapping and vulnerability studies • Contaminated site assessments
Grand Forks valley Grand Forks city Kettle River
Bedrock surface model (bottom of valley sediment fill)
Clay / Till (deep, mostly unknown sediments)
Silt / silty sands (lacustrine deposits, with fluvial sediments)
Sands (“aquifer”) (fluvial & glaciofluvial sediments)
Gravels (“aquifer”) (most recent fluvial sediments)
Thank you! Questions?