伽马测井仪规格

CBG Corp. NGT-T Gamma Ray Tool: Click for larger image.

伽马测井仪规格	NGT-T NGT-TX without barrel	NGT-T with barrel	NGT-CS	DGA Focussed Gamma	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(O.D.)	1.36″(34.54mm)	1.88″(47.63mm)	1.05″(26.67mm)	1.30″(33.0mm)	1.36″(34.54mm)	0.95″(24.13mm)
长度(make up)	13.6″(345mm) 11.6″(295mm)(TX)	34.05″(865mm)	18.83″(478mm)	13.6″(345mm)	13.6″(345mm)	14.5″(368mm)
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)
结束连接	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	BeCu	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	3.9 CPS/API	1.00 CPS/API
精度	+/-4% @ 300°F (150°C) +/-8% @ 350°F (175°C)	+/-4% @ 300°F (150 °C) +/-8% @ 350°F (175°C)	+/-4% @ 300°F (150°C) +/-8% @ 350°F (175°C)	+/-2% @ 300°F (150°C) +/-5% @ 350°F (175°C)	+/-2% @ 300°F (150°C) +/-5% @ 350°F (175°C)	+/-2% @ 300°F (150°C) +/-5% @ 350°F (175°C)
Maximum API Range @ 5% error	5000 API	5000 API	5000 API	15000 API	2500 API	10000 API
薄层决议 (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	-55 to 175°C	-55 to 175°C	-55 to 175°C	-55 to 175°C	-55 to 175°C	-55 to 175°C
生存温度	200°C	200°C	200°C	200°C	200°C	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	20 G.	20 G.	20 G.	20 G.	20 G.	20 G.
休克(Z-axis)	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.
休克(X or Y-axis)	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 fixed width	+5V to GND 5 uS fixed width	+5V to GND 5 uS fixed width	+5V to GND 5 uS fixed width	+5V to GND 5 uS fixed width	+5V to GND 5 uS fixed width