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Pressure and Temperature GaugesPressure and Temperature Gauges are deployed downhole for various applications including;
Reservoir capacity and production conditions can be determined by monitoring pressure and temperature trends over time. Nan Gall Energy Systems gauges have leading edge capability, both in terms of performance (for example, temperature rating, pressure rating, accuracy, resolution and drift) and features (sampling, memory size and diagnostics.) The company has invested significantly in new gauge designs as part of its overall product development programme with the objective of;
As a result, the Nan Gall Energy Systems gauge product range includes;
and features such as gauges with;
Nan Gall Energy Systems is one of the few companies in the world that has a proven successful track record with 200 degC products in the field today. Nan Gall Energy Systems products can be categorised in two main ways - by deployment method and by transducer type. The three main deployment methods are;
The two main transducer types are;
(* "drift" is an acknowledged term in the industry as a measure of ability to maintain calibration.) Quartz gauges have significant advantages over strain based gauges because of their superior accuracy and resolution performance and have particular benefits for long term deployment applications because of their "low drift" capability. Quartz gauges are however, significantly more expensive than strain based gauges. Gauges with "strain based" transducers have an important role in the "downhole" data acquisition business. They have a much lower purchase price than quartz gauges and are ideal for shorter term deployment applications. The performance of strain gauge transducers has improved considerably in recent years with the latest transducers on the market providing excellent accuracy and resolution capability and much improved drift performance - although not at quartz transducer levels. Nan Gall Energy Systems has recently performed an exhaustive comparison exercise regarding the latest strain gauge transducers on the market and has released a new low cost memory gauge with an outstanding performance specification. Typical specification sheets are attached for both Quartz and Strain gauges all of which come complete with the Accessories and Software necessary to gather all the data to a Personal Computer.
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