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Virtual: Maximize well efficiencies in both screen wells and open hole (Bedrock wells) with proper well development techniques (60 mins.)

  • May 18, 2021
  • 1:00 PM - 2:00 PM
  • Webinar
  • 175



Maximize well efficiencies in both screen wells and open hole (Bedrock wells) with proper well development techniques


Roger E. Renner

President, E. H. Renner & Sons, Inc.

Chairman, Mn Department of Health Advisory Council on Wells and Borings




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PCPG will circulate a PDH certificate documenting registrant’s participation time, not to exceed 60 minutes, within 72 hours of the conclusion of the webinar.

Level: General to Intermediate

Who should attend:  Anyone in the geologic and allied science community who is involved in or oversees the drilling, installation, and development of municipal and industrial wells.  This webinar should interest practicing geologists, hydrologists, engineers, project managers, municipal and site managers, consultants, regulatory managers and technical support staff.  

Webinar Overview:  Well development is critical in the large diameter high flow municipal and industrial wells.  This webinar will discuss ways to maximize well development to provide the best "wire to water" cost per 1000 gallons pumped (sold).  Development techniques should change depending on the type of well drilled, i.e. screened vs. open hole wells.  For screened wells, techniques will be explored to design build a screen to fit the geology, sieve analysis, and flow rate desired.  The webinar will also address naturally developed vs gravel pack and muni-pack screen options. Specific techniques discussed for open holes include decompressing/releasing techniques, airlifting/raw hiding, sandstone removal, blasting and bailing methods. 

About our Presenter

Roger E. Renner, MGWC, is president of E.H. Renner & Sons Inc. He is the fourth of five generations of this family-owned business located in Elk River, Minnesota. Aside from the overall operation of this business, he is specifically responsible for the municipal, large well sealing, and monitoring markets. Renner is a 41-year member of NGWA. He successfully completed the Master Ground Water Contractor examination of the NGWA Voluntary Certification Program and is therefore entitled to use MGWC after his name. He is one of 70 contractors in this NGWA program qualified to take this special exam. He is also a past president of NGWA, Past president of the Mn Water Well Association and 26-year member & current Chair of the Minnesota Dept. of Health Advisory Council on Wells and Borings.



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