Introducing the SpectraTM series of integrated high performance OIL Exploration and Production gamma detectors
Designed specifically to meet and exceed MWD, Wireline and Multi-Phase Flow Metering application specifications, the new series offers the performance of the best “lab type” detectors in an equivalent ruggedized package.
SPECTRATM SERIES
Detector assembly
 Major Features:
• 20% to 30% more light (than standard
ruggedized assemblies)
• Improved Pulse Height Resolution
• Reduced Power consumption
• Lower operating Voltage
• Reduced plateau start Voltage
• Improved plateau characteristics
• Higher signal to noise ratio
• Reduced overall weight
• Unified hermetic package
For MWD
Rated to 1000g shocks & 20grms vibration Designed to prevent counts under vibration. Rated up to +175°C.
For Wireline
Rated to 100g shocks & 5grms vibration Rated to +90°C or +175°C.
For Multi-Phase Flow Metering
Rated to 100g shocks & 5grms vibration Optimized for low energy measurements. Temperature ratings from +50°C to +175°C.
Performance Comparison
Pulse Height Resolution
at room temp.
|
Energy
|
SpectralineTM
|
standard wireline
|
lab grade detector
|
|
Ba-133
|
81keV
|
17.0%
|
23.0%
|
10.7%
|
|
356keV
|
9.3%
|
11.5%
|
8.7%
|
|
Cs-137
|
661.6keV
|
7.5%
|
9.7%
|
6.7%
|
Pulse Height Resolution
at +150C
|
Energy
|
SpectralineTM
|
standard wireline
|
lab grade detector
|
|
Cs-137
|
661.6keV
|
10.5%
|
14.0%
|
N/A
|
|
Pulse Height at +150°C, Cs-137
|
661.6keV
|
1451
|
1130
|
|
|
Operating Voltage
|
|
1250V
|
1500V
|
1000V
|
Ba-133 Spectra
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