Controllable-Source (Pulsed Neutron) Compensated Neutron Porosity Logging
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Basic Information
| Model | Diameter (mm) | Length (mm) | Weight (kg) | Pressure Rating (MPa) | Operating Temp. (°C) |
| SA3191 | φ60 | 2000 | 15.0 | 60 | 0~125 |
Description
This product utilizes a neutron generator and neutron tube to emit neutrons into the formation for measuring rock porosity. Essentially, it measures the total hydrogen content within the rock formation.
The ratio of long-spacing to short-spacing detector counting rates largely compensates for the effects of formation absorption and borehole environment on the measured values.
The controlled neutron source has a service life of up to 500 hours; its activity is equivalent to 2 Ci; consistency <5%.
Specification
| Parameter Name | Measuring Range / Accuracy |
| Measuring Range | 0~85% |
| Measuring Accuracy | Porosity < 20 p.u., ±10% FSE (Full Scale Error) Porosity ≥ 20 p.u. ±5% FSE (Full Scale Error) |
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