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New Perspectives on Horizontal Wells for Assessment and Remediation

Wesley F. Wiley, Principal Geologist, EN Rx, Inc.

Tuesday, August 10, 2021, 11:45am-1pm

Davis Graham & Stubbs LLP with a Virtual Option

CEMS has received one (1) general CLE credit for this presentation

Chlorinated and fuel contaminant releases generally occur on developed properties where obstacles exist to prohibit proper and complete assessment and remediation. New horizontal well technologies have dramatically improved the quality, quantity, and density of data collection to complete conceptual site models in inaccessible areas and improve data density in other areas. The recent advancements in horizontal well technologies have made it possible for the well system to be utilized as a permanent, repeatable sampling tool followed by direct and accurate remedial treatment, all accomplished utilizing the same well system.

The specific development is a nested horizontal well system. The horizontal installation provides several benefits, including accessing inaccessible areas but also better performance than the vertical counter parts. The nested function of the well system allows discreteness that facilitates benefits in both the assessment and remedial phases. This presentation will provide the details of the new horizontal well technology, including the key benefits and perspectives that can change when the entire plume can be properly addressed. Case studies will be presented to demonstrate key benefits and illustrate the ability to tackle plumes more efficiently and effectively.

Wesley F. Wiley, P.G., is a Principal Geologist, providing a variety of design and implementation services for EN Rx, Inc. Mr. Wiley graduated from Missouri State University, Springfield, MO with a BS in Geology / Stratigraphy. Mr. Wiley has worked in the environmental industry since 1989 and is a registered professional geologist in Florida. Mr. Wiley has worked as a roustabout on an offshore oil exploration rig, an environmental consultant, a regulator and as a manager for an ISCO treatment company. His primary focus for nearly 29 years has been the characterization, remediation, and project management of impacted sites in a comprehensive effort to cost-effectively mitigate environmental liabilities. Contaminates assessed and treated include petroleum products, manufactured gas plant (MGP) waste, pesticides, herbicides, chlorinated solvents, metals, dioxin, and pentachlorophenol as well as associated daughter products. Mr. Wiley’s area of management expertise includes health and safety, financial management, business development, client, regulatory and employee relations. Key to Mr. Wiley’s success is his wide range of practical experience as a field geologist conducting environmental investigations and implementing remedial strategies. 

LOCATION: Davis Graham & Stubbs LLP located 1550 17th Street, Suite 500, Denver, CO 80202. When entering the building, proceed to the fifth floor to check in with the CEMS representative.  Davis Graham & Stubbs LLP does not validate parking.  All meetings at DGS follow state/county/city guidelines; attendees who are not fully vaccinated must be masked at all times and follow any applicable DGS rules in effect at the time of such meeting.

MEETING FORMAT: Members may either bring their own lunch and attend the meeting for no charge, or they may request that CEMS order a box lunch for them. The cost of the box lunch for members is $16.00; for non-members, $19.00, OR you may register for a virtual link that will be provided 24 hours in advance via email.

RESERVATIONS: PLEASE give your name, company name and phone number via email to admin@coems.org. PLEASE INDICATE IF YOU ARE RESERVING A BOX LUNCH OR BRINGING YOUR OWN FOR THE LIVE PRESENTATION, OR WHETHER YOU WILL ATTEND VIRTUALLY. Reservations must be received BEFORE Friday, August 6, 2021 at 5:00PM. Payment of $16.00 for members, $19.00 for non-members will be accepted at the door with prior reservation. Please cancel your reservation by Friday, August 6, 2021 if you are unable to attend. It is the policy of the Society to bill for meals reserved but unclaimed. You may also pay with credit card via PAYPAL by following this link:


Box Lunch
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NOTICE: CEMS would like to thank Davis Graham & Stubbs LLP for the use of meeting space and would like to emphasize that the use of Davis Graham & Stubbs LLP space does not constitute endorsement of CEMS, sponsors of CEMS functions, or the content of CEMS workshops or meetings.