Geothermal well rehabilitation at Brooklyn Children’s Museum in New YorkClick here to enlarge imageImpulse generation technology has been extremely successful in a wide variety of well types, including water supply, geothermal and dewatering, as well as injection wells and soil vapor extraction (SVE) well systems in Canada, Europe and the United States. Hydropuls impulse technology can be used in wells up to 6,000-ft deep and within a variety of well types, including vertical and horizontal screened wells, perforated or slotted steel casing, open rock boreholes, and PVC-lined wells with diameters from 2 inches to over 24 inches.
Scaling & biofouling aid
The city of Parksville, British Columbia, Canada, chose to rehabilitate two wells after observing declining pumping water levels and mineral and biologic encrustations coating the pumps and pump column pipe. Via a video inspection of the Parksville wells, personnel from engineering and project management firm Kleinfelder, observed clogging of the screen with biofoul and encrustations, along with fine sand at the bottom of each well. The video assessment confirmed a need for well rehabilitation in both wells. Utilizing well performance data and the video recordings, a rehabilitation process was developed for each well, consisting of the following methods:
- Impulse generation
- Isolation pumping
- Sand bailing each well