Non-metallic Modular Oven
APS Technology offers a unique Non-metallic Oven, designed to test downhole sensors at temperature and in a manner that allows them to operate in an environment conducive to their calibration. All of the metallic components are at the extreme ends of the oven, leaving the test area free of conductive material. The test piece is supported 3' above the floor and any conductive rebar, etc. The modular oven is constructed from 6' fiberglass sections, which allows its length to be adjusted to fit the size of the tool to be tested. The top sections are light and easily removable to allow access to any part of the tool under test.
A combination of internal and external heater-blowers allows the temperature to be kept uniform during heating and avoid unwanted gradients. A typical MWD/LWD sub can be brought to 347°F (175°C) in less than four hours.
Programmable electronic controllers for each heater allow the temperature and the rate of heating or cooling to be closely regulated. Wire access is provided to allow the item under test to be powered and operating during the heating.
The structure is capable of supporting test pieces weighing up to 4,500 lbs.
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