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伽马测井仪指标

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CBG Corp. NGT-T Gamma Ray Tool: Click for larger image.
伽马测井仪指标 NGT-T
NGT-TX
不带外桶
NGT-T
带外桶
NGT-CS DGA
聚焦伽马
NGT-CN NGT-075
应用 地质导向
随钻测量
地质导向
随钻测量
地质导向
随钻测量
地质导向
随钻测量
地质导向
随钻测量
地质导向
随钻测量
机械
外径 1.36″(34.54mm) 1.88″(47.63mm) 1.05″(26.67mm) 1.36″(34.54mm) 1.36″(34.54mm) 0.95″(24.13mm)
长度(不包括尾段接头部分) 13.6″(345mm)
11.6″(295mm)(TX)
34.05″(865mm) 18.8″(478mm), 16.2″(412mm)(CSX) 13.6″(345mm) 13.6″(345mm) 13.75″(349mm)
重量 1.7 lb. (.771 kg) 15 lb. (6.80 kg) 1.5 lb.(.680 kg) 3.0 lb.(1.36 kg) 1.9 lb. (.863 kg) 8.5 oz.(.240 kg)
尾段接头 MDM 15-Pin 200 °C, 10-Pin GE MDM 15-Pin MDM 15-Pin MDM 15-Pin 7 Pin AirBorn
材料 铝合金 铍铜 铝合金 铝合金/钨 铝合金 铝合金
压力 NR 125000 kPa NR NR NR NR
性能
灵敏度 2.2 CPS/API 1.4 CPS/API 1.98 CPS/API 0.65 CPS/API 3.2 CPS/API 1.00 CPS/API
精度 +/-4% @ 300°F (150°C)
+/-8% @ 350°F (177°C)
+/-4% @ 300°F (150 °C)
+/-8% @ 350°F (177°C)
+/-4% @ 300°F (150°C)
+/-8% @ 350°F (177°C)
+/-2% @ 300°F (150°C)
+/-5% @ 350°F (177°C)
+/-2% @ 300°F (150°C)
+/-5% @ 350°F (177°C)
+/-5% @ 320°F (160°C)
+/-10%@350°F (177°C)
最大 API 范围
@ 5% 误差
5000 API 5000 API 5000 API 15000 API 2500 API 10000 API
薄层分辨率 (8″ hole diameter,
at 50% points)
6.8″ (173 mm) 6.8″ (173 mm) 8.8″ (224 mm) 8.8″ (224 mm) 10.3″ (262 mm) 6.8″ (173 mm)
环境
操作温度 -29 to +177°C -29 to +177°C -29 to +177°C -29 to +177°C -29 to +177°C -29 to +177°C
生存温度 -40 to +200°C -40 to +200°C -40 to +200°C -40 to +200°C -40 to +200°C -40 to +200°C
最大热/凉耗率 3°C./Minute 3°C./Minute 3°C./Minute 3°C./Minute 3°C./Minute 3°C./Minute
振动(3轴)
50-1000 Hz
随机谱
20G RMS 20G RMS 20G RMS 20G RMS 20G RMS 20G RMS
冲击(Z-轴) 500 G., 0.5 mS. 500 G., 0.5 mS. 500 G., 0.5 mS. 500 G., 0.5 mS. 500 G., 0.5 mS. 500 G., 0.5 mS.
冲击(X 或 Y-轴) 1000 G., 0.5mS. 1000 G., 0.5mS. 1000 G., 0.5mS. 1000 G., 0.5mS. 1000 G., 0.5mS. 1000 G., 0.5mS.
电源要求
输入电压 17-48 Volts 17-48 Volts 17-48 Volts 17-48 Volts 17-48 Volts 17-48 Volts
输入电流 11-8 mA (9 mA at 28 volts) 11-8 mA (9 mA at 28 volts) 11-8 mA (9 mA at 28 volts) 11-8 mA (9 mA at 28 volts) 11-8 mA (9 mA at 28 volts) 11-8 mA (9 mA at 28 volts)
最大电压 50 Volts 50 Volts 50 Volts 50 Volts 50 Volts 50 Volts
输出信号
负脉冲 +5V to GND
5 uS 固定脉宽
+5V to GND
5 uS 固定脉宽
+5V to GND
5 uS 固定脉宽
+5V to GND
5 uS 固定脉宽
+5V to GND
5 uS 固定脉宽
+5V to GND
5 uS 固定脉宽