可控震源地震采集质量监控介绍
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检测项目 Distortion CMRR Gain Error 检测标准 <-103 dB >100 dB <+ 1%
Phase Error
Noise
Distortion
1200 1100 1000 900
<+ 20 (us)
<1.0 (uV), 0 dB
CMRR
750
500 800
NO. of FDU
11
12
12
12
13
13
13
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3. 0
4. 0
5. 0
6. 0
7. 0
8. 0
9. 0
0. 0
1. 0
2. 0
3. 0
4. 0
5. 0
6. 0
7. 0
8. 0
9. 0
0. 0
0
CMRR Values /db
-1 0
-1 0
-1 0
-1 0
-1 0
-1 0
-1 0
-1 1
Use SMT-200 or SMT-300 to test geophone strings according to manufactory’s specifications;
Item Geophone type Temperature Natural Frequency (Hz) Damping with Shunt 1KΩResistor Sensitivity with Shunt Resistor (v/m/s) Harmonic Distortion (%) String Resistance (6 in series and 1 in parallel) String Resistance (6 in series and 2in parallel) Impedance Polarity 22º C 10±5% 0.7±5% 120.0±5% ≤0.15 1698<±5%Ω 849<±5%Ω 4057±5% SEG Geophone strings Manufactured specs JF-25DX, 10 hz 21º C 10.29 0.693 120.9 0.12 1678 Ω 841 Ω 4101 SEG Measured specs (new)
140 120 100 80 60 40 20 0
Strings
100 50 0
160
0.67 0.68 0.68 0.69 0.69 0.69 0.7
0.7 0.71 0.71 0.71 0.72 0.72 0.73 0.73 0.73 0.74 0.74 Damping %
115.3
116.3
117.3
3 Active Recording Spread Noise & Geophone Tests 4 Vibrator Tests
5 Decoder Tests
6 LVL(uphole) Instrument Tests
采集技术支持部内部技术交流材料
3 Active Recording Spread Noise & Geophone Tests 3.1 Line noise check 3.2 Leakage check for cables and geophones 3.3 Tilt test
3.4 Receiver group resistance test
3.5 Geophone pulse test 3.6 Geophone string tests
采集技术支持部内部技术交流材料
3.1 Line noise check
Sensor noise check on active recording spread with 25 micro-volt
3.2 Leakage check for cables and geophones
Sensor leakage check
Statistical result of active spread leakage check
采集技术支持部内部技术交流材料
3.3 Tilt test
Tilt tolerance 3 %
采集技术支持部内部技术交流材料
>5%
3.4 Receiver group resistance test
Temperature 270 C
采集技术支持部内部技术交流材料
3.5 Geophone pulse test
采集技术支持部内部技术交流材料
3.6 Geophone string tests
采集技术支持部内部技术交流材料
3.1 Line noise check
Recording in a wind-storm day
a) Noise allowance 25 mv
b) Noise allowance 50 mv
For 25 micro-volt up to 25% of the active channels. 采集技术支持部内部技术交流材料
118.3
119.3
120.3
121.3
122.3
123.3
124.3
125.3
126.3
Sensitivity V/m/s
采集技术支持部内部技术交流材料
Contents
1 Recording System Start-up Tests
2 Recording System Acceptance Tests
可控震源地震采集质量监控介绍
汇报人：王井富
东方地球物理公司采集技术支持部 2017-06-21
采集技术支持部内部技术交流材料
Contents
1 Recording System Start-up Tests
2 Recording System Acceptance Tests
3 Active Recording Spread Noise & Geophone Tests 4 Vibrator Tests
700 600 500
Failures
NO. of FDU
Failures
250
400 300 200 100 0 0
0
0
0 1. 00
4. 00
7. 00
0. 00
3. 00
6. 00
9. 00
2. 00
5. 00
8. 00
1. 00
4. 00
7. 00
0. 00
92
95
98
10
10
10
11
11
11
0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 0.12 0.13 0.14 0.15 Distortion %
Resistance - Ohm
SENSITIVITY
DAMPING
260 240
250
200
220 200 180
150
Strings
2.5 Recording system polarity test
2.6 Cable Tests
采集技术支持部内部技术交流材料
2.1 Recording system impulsive test
Impulse test real time QC in the recorder
Impulse test QC in paper monitor
2 Recording System Acceptance Tests
3 Active Recording Spread Noise & Geophone Tests 4 Vibrator Tests
5 Decoder Tests
6 LVL(uphole0 Instrument Tests
采集技术支持部内部技术交流材料
100
0
0
16 1 16 9 2 16 5 3 16 1 3 16 7 4 16 3 4 16 9 5 16 5 6 16 1 6 16 7 7 16 3 7 16 9 8 16 5 9 16 1 9 17 7 0 17 3 0 17 9 1 17 5 2 17 1 2 17 7 3 17 3 3 17 9 4 17 5 5 17 1 5 17 7 6 17 3 6 17 9 7 17 5 81
Vibrator stack, diversity type test real time QC in the recorder
Vibrator stack, diversity type test QC in paper monitor
采集技术支持部内部技术交流材料
2.4 Vibrate-stack & zeroing type test
3 Active Recording Spread Noise & Geophone Tests 4 Vibrator Tests
5 Decoder Tests
6 LVL(uphole) Instrument Tests
采集技术支持部内部技术交流材料
4 Vibrator Tests
4.1 Vibrator Accelerometer Tap Test 4.2 Vibrator shaking status check 4.3 Vibrator system polarity check 4.4 Vibrator Radio Delay Tests 4.5 Vibrator DGPS system check
采集技术支持部内部技术交流材料
2.2 Recording system correlation, zeroing-type test
Real time QC in the recorder
QC in paper monitor
采集技术支持部内部技术交流材料
2.3 Vibrate-stack & diversity test
采集技术支持部内部技术交流材料
3.6 Geophone string tests
1) Geophone string tests by SMT
采集技术支持部内部技术交流材料
3.6 Geophone string tests
2) Water immersion test
采集技术支持部内部技术交流材料
3.6 Geophone string tests
Geophone string tests by SMT
RESISTANCE
152.0295
DISTORTION
700
600
121.6236
500
91.2177
Strings
Strings
400
300
Failures
60.8118
200
30.4059
2 Recording System Acceptance Tests 2.1 Recording system impulse test 2.2 Recording system correlation, zeroing-type test 2.3 Vibrate-stack & diversity test 2.4 Vibrate-stack & zeroing type test
3.3 Tilt test
20-Mar 17-Mar 14-Mar
11-Mar 8-Mar 5-Mar 2-Mar 28-Feb 25-Feb
Sensor tilt test
>7%
22-Feb 19-Feb 16-Feb 13-Feb 10-Feb 7-Feb 4-Feb 1-Feb
20.00% 15.00% 10.00% 5.00% 0.00%
5 Decoder Tests
6 LVL(uphole) Instrument Tests
采集技术支持部内部技术交流材料
1 Recording System Start-up Tests
FDU( Field Digital Unit) Test with 2ms sample rate LINK test( 2FDU,3FDU,4FDU)
-1 1
-1 1
-1 1
-1 1
-1 1
-1 1
-1 1
-1 1
ቤተ መጻሕፍቲ ባይዱ
-1 1
Distortion in dB
采集技术支持部内部技术交流材料
-1 2
14
3. 00
.0
.0
.0
1 Recording System Start-up Tests
采集技术支持部内部技术交流材料
Contents
1 Recording System Start-up Tests
采集技术支持部内部技术交流材料
2.5 Recording system polarity test
采集技术支持部内部技术交流材料
2.6 Cable Tests
不适用于408和428
采集技术支持部内部技术交流材料
Contents
1 Recording System Start-up Tests
2 Recording System Acceptance Tests
Tilt tolerance 5%
采集技术支持部内部技术交流材料
3.3 Tilt test
Tilt allowance parameter is 8%
采集技术支持部内部技术交流材料
19-Apr 16-Apr 13-Apr 10-Apr 7-Apr 4-Apr 1-Apr
>3%
29-Mar 26-Mar 23-Mar
Phase Error
Noise
Distortion
1200 1100 1000 900
<+ 20 (us)
<1.0 (uV), 0 dB
CMRR
750
500 800
NO. of FDU
11
12
12
12
13
13
13
14
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
3. 0
4. 0
5. 0
6. 0
7. 0
8. 0
9. 0
0. 0
1. 0
2. 0
3. 0
4. 0
5. 0
6. 0
7. 0
8. 0
9. 0
0. 0
0
CMRR Values /db
-1 0
-1 0
-1 0
-1 0
-1 0
-1 0
-1 0
-1 1
Use SMT-200 or SMT-300 to test geophone strings according to manufactory’s specifications;
Item Geophone type Temperature Natural Frequency (Hz) Damping with Shunt 1KΩResistor Sensitivity with Shunt Resistor (v/m/s) Harmonic Distortion (%) String Resistance (6 in series and 1 in parallel) String Resistance (6 in series and 2in parallel) Impedance Polarity 22º C 10±5% 0.7±5% 120.0±5% ≤0.15 1698<±5%Ω 849<±5%Ω 4057±5% SEG Geophone strings Manufactured specs JF-25DX, 10 hz 21º C 10.29 0.693 120.9 0.12 1678 Ω 841 Ω 4101 SEG Measured specs (new)
140 120 100 80 60 40 20 0
Strings
100 50 0
160
0.67 0.68 0.68 0.69 0.69 0.69 0.7
0.7 0.71 0.71 0.71 0.72 0.72 0.73 0.73 0.73 0.74 0.74 Damping %
115.3
116.3
117.3
3 Active Recording Spread Noise & Geophone Tests 4 Vibrator Tests
5 Decoder Tests
6 LVL(uphole) Instrument Tests
采集技术支持部内部技术交流材料
3 Active Recording Spread Noise & Geophone Tests 3.1 Line noise check 3.2 Leakage check for cables and geophones 3.3 Tilt test
3.4 Receiver group resistance test
3.5 Geophone pulse test 3.6 Geophone string tests
采集技术支持部内部技术交流材料
3.1 Line noise check
Sensor noise check on active recording spread with 25 micro-volt
3.2 Leakage check for cables and geophones
Sensor leakage check
Statistical result of active spread leakage check
采集技术支持部内部技术交流材料
3.3 Tilt test
Tilt tolerance 3 %
采集技术支持部内部技术交流材料
>5%
3.4 Receiver group resistance test
Temperature 270 C
采集技术支持部内部技术交流材料
3.5 Geophone pulse test
采集技术支持部内部技术交流材料
3.6 Geophone string tests
采集技术支持部内部技术交流材料
3.1 Line noise check
Recording in a wind-storm day
a) Noise allowance 25 mv
b) Noise allowance 50 mv
For 25 micro-volt up to 25% of the active channels. 采集技术支持部内部技术交流材料
118.3
119.3
120.3
121.3
122.3
123.3
124.3
125.3
126.3
Sensitivity V/m/s
采集技术支持部内部技术交流材料
Contents
1 Recording System Start-up Tests
2 Recording System Acceptance Tests
可控震源地震采集质量监控介绍
汇报人：王井富
东方地球物理公司采集技术支持部 2017-06-21
采集技术支持部内部技术交流材料
Contents
1 Recording System Start-up Tests
2 Recording System Acceptance Tests
3 Active Recording Spread Noise & Geophone Tests 4 Vibrator Tests
700 600 500
Failures
NO. of FDU
Failures
250
400 300 200 100 0 0
0
0
0 1. 00
4. 00
7. 00
0. 00
3. 00
6. 00
9. 00
2. 00
5. 00
8. 00
1. 00
4. 00
7. 00
0. 00
92
95
98
10
10
10
11
11
11
0.01 0.02 0.03 0.04 0.05 0.06 0.07 0.08 0.09 0.1 0.11 0.12 0.13 0.14 0.15 Distortion %
Resistance - Ohm
SENSITIVITY
DAMPING
260 240
250
200
220 200 180
150
Strings
2.5 Recording system polarity test
2.6 Cable Tests
采集技术支持部内部技术交流材料
2.1 Recording system impulsive test
Impulse test real time QC in the recorder
Impulse test QC in paper monitor
2 Recording System Acceptance Tests
3 Active Recording Spread Noise & Geophone Tests 4 Vibrator Tests
5 Decoder Tests
6 LVL(uphole0 Instrument Tests
采集技术支持部内部技术交流材料
100
0
0
16 1 16 9 2 16 5 3 16 1 3 16 7 4 16 3 4 16 9 5 16 5 6 16 1 6 16 7 7 16 3 7 16 9 8 16 5 9 16 1 9 17 7 0 17 3 0 17 9 1 17 5 2 17 1 2 17 7 3 17 3 3 17 9 4 17 5 5 17 1 5 17 7 6 17 3 6 17 9 7 17 5 81
Vibrator stack, diversity type test real time QC in the recorder
Vibrator stack, diversity type test QC in paper monitor
采集技术支持部内部技术交流材料
2.4 Vibrate-stack & zeroing type test
3 Active Recording Spread Noise & Geophone Tests 4 Vibrator Tests
5 Decoder Tests
6 LVL(uphole) Instrument Tests
采集技术支持部内部技术交流材料
4 Vibrator Tests
4.1 Vibrator Accelerometer Tap Test 4.2 Vibrator shaking status check 4.3 Vibrator system polarity check 4.4 Vibrator Radio Delay Tests 4.5 Vibrator DGPS system check
采集技术支持部内部技术交流材料
2.2 Recording system correlation, zeroing-type test
Real time QC in the recorder
QC in paper monitor
采集技术支持部内部技术交流材料
2.3 Vibrate-stack & diversity test
采集技术支持部内部技术交流材料
3.6 Geophone string tests
1) Geophone string tests by SMT
采集技术支持部内部技术交流材料
3.6 Geophone string tests
2) Water immersion test
采集技术支持部内部技术交流材料
3.6 Geophone string tests
Geophone string tests by SMT
RESISTANCE
152.0295
DISTORTION
700
600
121.6236
500
91.2177
Strings
Strings
400
300
Failures
60.8118
200
30.4059
2 Recording System Acceptance Tests 2.1 Recording system impulse test 2.2 Recording system correlation, zeroing-type test 2.3 Vibrate-stack & diversity test 2.4 Vibrate-stack & zeroing type test
3.3 Tilt test
20-Mar 17-Mar 14-Mar
11-Mar 8-Mar 5-Mar 2-Mar 28-Feb 25-Feb
Sensor tilt test
>7%
22-Feb 19-Feb 16-Feb 13-Feb 10-Feb 7-Feb 4-Feb 1-Feb
20.00% 15.00% 10.00% 5.00% 0.00%
5 Decoder Tests
6 LVL(uphole) Instrument Tests
采集技术支持部内部技术交流材料
1 Recording System Start-up Tests
FDU( Field Digital Unit) Test with 2ms sample rate LINK test( 2FDU,3FDU,4FDU)
-1 1
-1 1
-1 1
-1 1
-1 1
-1 1
-1 1
-1 1
ቤተ መጻሕፍቲ ባይዱ
-1 1
Distortion in dB
采集技术支持部内部技术交流材料
-1 2
14
3. 00
.0
.0
.0
1 Recording System Start-up Tests
采集技术支持部内部技术交流材料
Contents
1 Recording System Start-up Tests
采集技术支持部内部技术交流材料
2.5 Recording system polarity test
采集技术支持部内部技术交流材料
2.6 Cable Tests
不适用于408和428
采集技术支持部内部技术交流材料
Contents
1 Recording System Start-up Tests
2 Recording System Acceptance Tests
Tilt tolerance 5%
采集技术支持部内部技术交流材料
3.3 Tilt test
Tilt allowance parameter is 8%
采集技术支持部内部技术交流材料
19-Apr 16-Apr 13-Apr 10-Apr 7-Apr 4-Apr 1-Apr
>3%
29-Mar 26-Mar 23-Mar