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the first water
at pumping condition
sand invasion

3/4" (OD) x10"(L) Video Camera passed pump intake (600' bgs.) and lowered to 900'. Camera went down inside the production well 16" Casing ID to find sand invasion zone. Top of the photo is the first water table inside the well (164' bgs.). The second (middle) snapshot is blank casing around 450' bgs. The bottom of view is the zone where produces sand from screen interval bleached.

 

 

 

Dynamic Video Survey Without Pump Removal

BESST provides dynamic video survey without pump removal for municipal, industrial, agricultural, groundwater remediation and monitoring wells. 3/4" (OD) video camera survey with pumping condition reveals the condition of wells. Purpose of the miniature camera survey pinpoints where sand invasion comes from screen intervals bleached, finds cavitation of the screens and can be used to profile the entire zones for the maintenance or prior to rehabilitation of the wells.

Several Steps to Profile Your Wells

• Monitoring or water supply wells from with boreholes from 1.0”-25” can be surveyed with the small ¾” X 10” camera.

• Camera can be lowered through an access tube as small as 2” or straight into a borehole through an access port.
--Larger cameras cannot gain access without the costly procedure of removing the pump column.



• Can be used to find sand producing zones, blocked or damaged screen intervals, and damaged well casing which affect production capabilities.

• Viewing the inside of the well under pumping conditions, can be used to determine not only where a damaged section of casing or screen is, but how it acts at different pumping rates.

For Project Manager: Please download the requirements (chain survey tool)) prior to miniature video camera service.

Printable Format (PDF)

Miniature Video Survey Summary: Production Well
Video Survey Log With Field Notes: Production Well


Synopsis of Video Survey For Monitoring Well

Video Sample (mpg: 2:17, 24mb)



Sample Camera View : Click here to open mpeg file  (25mb)