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BOREHOLE VIDEO INSPECTION SYSTEMS
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Back to Rentals
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A borehole video camera is a simple optical instrument used for identifying well conditions in air or fluid
filled, cased and open hole situations. Applications include water well completion, environmental monitor
well evaluation, hydrogeological studies, mining applications, and engineering parameters. These portable
systems are not suited for high fluid temperature conditions and are limited by the degree of turbidity
(cloudiness) of the borehole medium.
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GEOVISION™ & GEOVISION MICRO™
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The GEOVISION™ and GEOVISION MICRO™ video systems are lightweight, portable, and easy to operate.
These systems are designed around a tripod based winch assembly with Kevlar reinforced coaxial cable.
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- 1.125” OD x 13” Stainless Steel Color Camera (Micro)
- 2.5” OD x 10” Stainless Steel Color Camera (GeoVISION)
- Portable Hand Cranked Winch/Tripod Assembly (750’ Standard)
- 8mm VCR with 4” LCD Color Display
- Total System with Shipping Case Weighs 80 lbs (36 kg)
- Shipping Dimensions 25” x 25” x 19” (64cm x 64cm x 42cm)
- Runs off a 12VDC to AC Inverter
- Numerous Light Head Attachments for Side Viewing, Orientation, Etc.
- Suitable for Well Diameters Ranging from 1.5” (Micro) or 2.75” (GeoVISION) to over 20”
- On Screen Display of Depth Readout
- Optional 250’ Cable Extension
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GEOVISION JR™
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The GEOVISION JR™ System is a small, portable, tilt-head camera that uses PVC rods for orientation. This
system offers the least expensive video rental option..
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- 1.625” OD x 2.75” Underwater B&W Camera
- Tilting Camera Head to View Horizontally
- 200’ Standard Depth Capacity (500’ Available)
- PVC Support Rods for Mechanical Positioning of Camera
- 7” B&W Monitor
- Optional 8mm or VHS VCR
- Hand Operated Cable Storage Reel
- Suitable for Well Diameters from 2” to over 20”
- 12 VDC, 120 VAC or Battery Powered
- Basic System Shipping Weight of 34 lbs (15 kg)
- Shipping Case Dimensions for Basic Unit 26” x 15” x 13” (66cm x 38cm x 33cm)
- Weight of 100’ PVC Rod per Case 22 lbs (10kg)
- Shipping Dimensions for PVC Rod Case(s) 65” x 13” x 3” (165cm x 33cm x 8cm)
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ALT OBI 40 OPTICAL TELEVIEWER
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The optical televiewer is fully downhole digital and can be run on any standard winches (mono, 4 conductors,
7 conductors). It is directly compatible with the ALT acquisition system using acquisition and processing
software (ALTlogger and WellCAD). Resolution is user definable (up to 0.5mm Vertical resolution and 720
pixels Azimuthal resolution)
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- Hole Diameter: 45 mm to 300 mm maximum
- Logging Speed: up to 2m/min (MSLog) depending on resolutions
- Logging mode: depth or time sampled
- Tool max OD: 40 mm
- Tool lenght: approx. 200 mm
- Electronic section housing: stainless steel
- Pressure rating: Maxumum 200 bars
- Temperature rating: 50 C
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Layne Christensen Co. – Colog Division
810 Quail Street, Suite E
Lakewood, Colorado 80215
Tel: 303.279.0171 Cell: 303.517.8709
Fax: 303.278.0135
E-mail: colog@colog.com
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