CN108643889A - overflow leakage monitoring method and monitoring system - Google Patents
overflow leakage monitoring method and monitoring system Download PDFInfo
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- CN108643889A CN108643889A CN201810593182.6A CN201810593182A CN108643889A CN 108643889 A CN108643889 A CN 108643889A CN 201810593182 A CN201810593182 A CN 201810593182A CN 108643889 A CN108643889 A CN 108643889A
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 23
- 241001074085 Scophthalmus aquosus Species 0.000 claims abstract description 27
- 238000005553 drilling Methods 0.000 claims abstract description 16
- 238000013480 data collection Methods 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 15
- 239000002002 slurry Substances 0.000 claims description 11
- 101100355582 Arabidopsis thaliana ARAC1 gene Proteins 0.000 claims description 4
- 101100355577 Arabidopsis thaliana ARAC11 gene Proteins 0.000 claims description 4
- 101100523500 Arabidopsis thaliana ARAC4 gene Proteins 0.000 claims description 4
- 101150085390 RPM1 gene Proteins 0.000 claims description 4
- 101100361283 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RPM2 gene Proteins 0.000 claims description 4
- 206010044565 Tremor Diseases 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 241000208340 Araliaceae Species 0.000 claims 3
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 3
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 3
- 235000008434 ginseng Nutrition 0.000 claims 3
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 101100190617 Arabidopsis thaliana PLC2 gene Proteins 0.000 description 2
- 101100408456 Arabidopsis thaliana PLC8 gene Proteins 0.000 description 2
- 101100464304 Caenorhabditis elegans plk-3 gene Proteins 0.000 description 2
- 101100093534 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) RPS1B gene Proteins 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
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- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/10—Locating fluid leaks, intrusions or movements
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- General Life Sciences & Earth Sciences (AREA)
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- Examining Or Testing Airtightness (AREA)
Abstract
A kind of overflow leakage monitoring method includes data collection steps：Data acquisition device acquires drilling parameter, data input device input parameter is stored in database；Parameter setting step：When setting bit pressure in alarm parameters setting, boring disk rotating speed, inlet flow rate, bore, standpipe pressure range, add up entrance amount difference；It calculates, compare, decision and level-one alarming step：Entrance amount difference is calculated, in the case where the bit pressure of setting, brill disk rotating speed, inlet flow rate are constant, is changed when such as boring, is carried out overflow or leakage is alarmed；Monitoring system includes data acquisition device：Acquire drilling parameter deposit database in real time including PLC；Data input device：Input parameter is directly stored in database；Industrial personal computer：The parameter for receiving input is stored in database, and parameter information is fed back to inside, and parameter information, which is fed back to warning device, by internal calculating comparison decision alarm executes alarm.The present invention can be achieved early warning and alarm without lag, provide safeguard for safety, quick drill completion.
Description
Technical field
The present invention relates to the overflow leakage loss monitoring technical field of oil and gas well drilling, espespecially a kind of overflow leakage loss monitoring side
Method and monitoring system.
Background technology
It is drilled in well production process in petroleum gas, the promptness and accuracy of the alarm of overflow leakage loss monitoring directly affect
It keeps the safety in production, be drilled well timeliness, environmental protection, personnel's injury and facilities and equipment loss, be to realize that the premise of safety in production is protected
Barrier.
The monitoring method of the leakage of overflow at present only has one kind, i.e., by installing liquid level sensor to each mud in slurry tank
Mud cubing in pond is monitored overflow and leakage, but existing overflow leakage monitoring method is asked there are following
Topic：
1, the big measurement accuracy of mud pit group liquid level is poor；
2, since stirring liquid fluctuating causes to measure inaccuracy in slurry tank；
3, due to mud contain chemical agent be easy to generate bubble and cause measurement error；
The reasons such as mud 4, is put, feeds, pours in down a chimney to cause to be unable to monitor；
5, since well head to slurry tank has certain distance, and cause to measure mud volume delay in slurry tank.
Therefore, how to design a kind of overflow leakage monitoring method that can be solved the above problems and monitoring system is the present invention
The project that people concentrates on studies.
Invention content
The purpose of the present invention is to provide a kind of overflow leakage monitoring method and monitoring systems, and early warning and nothing may be implemented
The overflow leakage alarm of lag, technical guarantee is provided to be safely and fast drilled well operations.
To achieve the goals above, technical solution of the invention is：A kind of overflow leakage monitoring method, including
Following steps：
(1) data collection steps：Drilling parameter that first data acquisition device is acquired in real time, data input device input
The database of each parameter deposit overflow leakage loss monitoring system, the drilling parameter of wherein data acquisition device acquisition includes standpipe pressure
When power, inlet flow rate, rate of discharge, bit pressure, brill, bore disk rotating speed；The parameter of data input device input includes mud slurry pump cylinder jacket
Diameter, length of stroke, the efficiency of pump and alarm parameters setting；
(2) parameter setting step：Bit pressure range, brill disk in alarm parameters setting under setting normal operating conditions
Range, standpipe pressure range, accumulative entrance amount difference when the range of speeds, inlet flow rate range, brill；
(3) it calculates, compare, decision and level-one alarming step：Utilize inlet flow rate, rate of discharge mathematic interpolation entrance amount
Difference, and carry out data and curvilinear figure is shown, in alarm parameters setting setting bit pressure, to bore disk rotating speed, inlet flow rate constant
In the case of, it changes when if boring, illustrates that formation lithology changes, overflow or leakage stratum may be pierced, overflow
Stream or leakage level-one alarm.
Overflow leakage monitoring method of the present invention, wherein in the step (3) inlet flow rate calculation formula=3 × 3.14 ×
D2/ 4 × L × V × Q, wherein D are mud slurry pump cylinder jacket diameter；L is length of stroke；V is pump speed；Q is the efficiency of pump.
Overflow leakage monitoring method of the present invention, wherein entrance flow difference=rate of discharge-entrance in the step (3)
Flow, wherein entrance difference in flow are that timing is overflow, are leakages when being negative.
Overflow leakage monitoring method of the present invention, wherein in the step (3)
It is spillway discharge to obtain positive value, and it is wastage to obtain negative value, and i is time point, in seconds, it is necessary to be more than 1, and be integer, n is the time
Section, and be integer.
Overflow leakage monitoring method of the present invention, wherein the bit pressure acquired in the step (3) uses the actual measurement at n time point
The average value of bit pressure=(WOB1+WOB2+WOB3+.....+WOBn)/n is arranged and stablizes bit pressure range, by the bit pressure of acquisition and institute
If stablizing bit pressure range to be compared, if without departing from the range, system assert that bit pressure is stablized, if exceeding the range, system
Assert that bit pressure is unstable, cannot function as judgment basis, i.e., alarms without decision；The brill disk rotating speed of acquisition is using n time point
Average value=(RPM1+RPM2+RPM3+.....+RPMn)/n of disk rotating speed is bored in actual measurement, is arranged to stablize and is bored disk rotating speed range, will adopt
The brill disk rotating speed of collection is compared with set stable disk rotating speed range of boring, if without departing from the range, disk rotating speed is bored in system identification
Stablize, if exceeding the range, disk rotating speed shakiness is bored in system identification, cannot function as judgment basis, i.e., alarms without decision；It adopts
The inlet flow rate of collection takes average value=(inlet flow rate 1+ inlet flow rate 2+ entrance streams of the actual measurement inlet flow rate at n time point
3+.....+ inlet flow rates n)/n is measured, is arranged and stablizes inlet flow rate range, if without departing from the range, system assert inlet flow rate
Stablize, if exceeding the range, system assert that inlet flow rate is unstable, cannot function as judgment basis, i.e., alarms without decision；It adopts
Average value=(ROP1+ROP2+ROP3+.....+ROPn)/n when being bored using the actual measurement at n time point when the brill of collection, setting are steady
Range when boring surely, if without departing from the range, system identification is stablized when boring, if exceeding the range, system identification is accelerated when boring
Or it is slack-off, new stratum may be pierced, indication is likely to occur overflow or leakage, and system carries out level-one alarm.
Overflow leakage monitoring method of the present invention, wherein further including secondary alarm step：It is set in alarm parameters setting
Surely accumulative entrance amount difference is as the critical value that overflow or leakage will occur, if the real-time entrance amount difference of acquisition reaches
To the setting value, overflow or leakage secondary alarm are carried out.
Overflow leakage monitoring method of the present invention, wherein further including three-level alarming step：It is set in alarm parameters setting
Surely accumulative entrance amount difference is as the critical value that overflow or leakage will occur, if the real-time entrance amount difference of acquisition reaches
To the setting value, confirm that overflow or leakage has occurred in underground, carries out overflow or leakage three-level alarm, drilling team carry out well control program.
A kind of overflow leakage loss monitoring system, including：
Data acquisition device：Including PLC, the PLC acquires drilling parameter in real time, and the parameter of acquisition is stored in industrial personal computer
Database；
Data input device：It is set to the control system of industrial personal computer, the parameter of input is directly stored in the database；
Industrial personal computer：The parameter of the parameter, data input device input that receive data acquisition device acquisition is stored in database, and
All parameter informations that the database receives are fed back into internal number display, graphical display and calculate comparison decision report
It is alert, it is alarmed by calculating comparison decision and parameter information is fed back into warning device；
Warning device：It receives the instruction that industrial personal computer is sent out and executes alarm.
Overflow leakage loss monitoring system of the present invention, wherein the data acquisition device, data input device pass through cable respectively
It is connect with the database of industrial personal computer, the calculating comparison decision alarm is connect with the warning device by cable, the industry control
The database of machine is connected with the number display of industrial personal computer, graphical display and calculating comparison decision alarm respectively by data line.
Overflow leakage loss monitoring system of the present invention, wherein the parameter of data acquisition device acquisition includes standpipe pressure, enters
When mouth flow, rate of discharge, bit pressure, brill, bore disk rotating speed.
Overflow leakage loss monitoring system of the present invention, wherein the parameter of data input device input includes that mud slurry pump cylinder jacket is straight
Diameter, length of stroke, the efficiency of pump and alarm parameters setting.
After adopting the above scheme, no lag may be implemented by above-mentioned overflow leakage monitoring method and monitoring system in the present invention
, the accurate measurement and alarm of the accurate overflow found to be drilled during well or leakage, reduction well control risk, reservoir pollution and
Nonproductive time saves drilling period to improve drilling efficiency.
Description of the drawings
Fig. 1 is the structural schematic diagram of overflow leakage loss monitoring system of the present invention.
Specific implementation mode
As shown in Figure 1, overflow leakage loss monitoring alarm system of the present invention, including：
Data acquisition device 1：Drilling parameter is acquired in real time including PLC2, PLC2, and the drilling parameter of acquisition includes by vertical pressure
It is passed when the standpipe pressure of the measurement of sensor 3, the inlet flow rate measured by flowmeter 4, rate of discharge, bit pressure, brill, by brill disk rotating speed
The brill disk rotating speed that sensor 5 measures, and the parameter of acquisition is stored in the database 7 of industrial personal computer 6；
Data input device 8：It is set to the control system of industrial personal computer 6, the parameter of input is directly stored in the database 7
In, the parameter of input includes mud slurry pump cylinder jacket diameter, length of stroke, the efficiency of pump and alarm parameters setting；
Industrial personal computer 6：It receives parameter, the parameter of the input of data input device 8 that data acquisition device 1 acquires and is stored in database
In 7, and all parameter informations that database 7 receives are fed back to internal number display 9, graphical display 10 and calculated and are compared certainly
Parameter information is fed back to warning device 12 by plan alarm 11 by calculating comparison decision alarm 11；
Warning device 12：It receives the instruction that industrial personal computer 6 is sent out and executes alarm.
Data acquisition device 1, data input device 8 are connect by cable with the database 7 of industrial personal computer 6 respectively, calculating ratio
11 connect by cable with warning device 12 compared with decision alarm, the database 7 of industrial personal computer 6 by data line respectively with industrial personal computer 6
Number display 9, graphical display 10 and calculate comparison decision alarm 11 connection.
Included the following steps with the measurement method of overflow leakage loss monitoring system of the present invention：
(1) data collection steps：First drilling parameter that data acquisition device 1 acquires in real time, data input device 8 are inputted
Each parameter deposit overflow leakage loss monitoring system database 7 in；
(2) parameter setting step：Bit pressure range, brill disk rotating speed in alarm parameters setting under setting normal operating conditions
Range, standpipe pressure range, accumulative entrance amount difference when range, inlet flow rate range, brill；
(3) it calculates, compare, decision and level-one alarming step：Utilize inlet flow rate, rate of discharge mathematic interpolation entrance amount
Difference, and carry out data and curvilinear figure is shown, in alarm parameters setting setting bit pressure, to bore disk rotating speed, inlet flow rate constant
In the case of, it changes when if boring, illustrates that formation lithology changes, overflow or leakage stratum may be pierced, overflow
Stream or leakage level-one alarm.Wherein calculation formula=3 × 3.14 of inlet flow rate × D2/ 4 × L × V × Q, wherein D are mud pumping cylinder
Cover diameter；L is length of stroke；V is pump speed；Q is the efficiency of pump；Entrance flow difference=rate of discharge-inlet flow rate, wherein coming in and going out
It is overflow that mouth difference in flow, which is timing, is leakage when being negative； Obtaining positive value is
Spillway discharge, it is wastage to obtain negative value, and i is time point, in seconds, it is necessary to be more than 1, and be integer, n is the period, and is
Integer；The bit pressure of acquisition using n time point average value=(WOB1+WOB2+WOB3+.....+WOBn) for surveying bit pressure/
N is arranged and stablizes bit pressure range, the bit pressure of acquisition is compared with set stable bit pressure range, if without departing from the range, is
System assert that bit pressure is stablized, if exceeding the range, system assert that bit pressure is unstable, cannot function as judgment basis, i.e., without decision
Alarm；The brill disk rotating speed of acquisition bores average value=(RPM1+RPM2+RPM3+..... of disk rotating speed using the actual measurement at n time point
+ RPMn)/n, it is arranged to stablize and bores disk rotating speed range, the brill disk rotating speed of acquisition is compared with set stable disk rotating speed range of boring,
If without departing from the range, system identification is bored disk rotating speed and is stablized, if exceeding the range, disk rotating speed shakiness is bored in system identification, no
It can be used as judgment basis, i.e., alarmed without decision；The inlet flow rate of acquisition takes the flat of the actual measurement inlet flow rate at n time point
Mean value=(inlet flow rate 1+ inlet flow rate 2+ inlet flow rate 3+.....+ inlet flow rates n)/n is arranged and stablizes inlet flow rate range,
If without departing from the range, system assert that inlet flow rate is stablized, if exceeding the range, system assert that inlet flow rate is unstable, no
It can be used as judgment basis, i.e., alarmed without decision；Average value when being bored using the actual measurement at n time point when the brill of acquisition=
(ROP1+ROP2+ROP3+.....+ROPn)/n is arranged and stablizes range when boring, if without departing from the range, when system identification is bored
Stablize, accelerate if exceeding the range, when system identification is bored or slack-off, new stratum may be pierced, indication is likely to occur excessive
Stream or leakage, system carry out level-one alarm；
(4) further include secondary alarm step：Accumulative entrance amount difference conduct will be set in alarm parameters setting to go out
The critical value of existing overflow or leakage carries out overflow or leakage two if the real-time entrance amount difference of acquisition reaches the setting value
Grade alarm；
(5) further include three-level alarming step：Accumulative entrance amount difference conduct will be set in alarm parameters setting to go out
It is excessive to confirm that underground has occurred if the real-time entrance amount difference of acquisition reaches the setting value for the critical value of existing overflow or leakage
Stream or leakage, carry out overflow or leakage three-level alarm, drilling team carry out well control program.
Embodiment 1：
Above-mentioned n takes 6, by above-mentioned component n times measure 2.5 tons of bit pressure, 2.6 tons, 2.45 tons, 2.3 tons, 3.5 tons, 1.2 tons, put down
Equal bit pressure=(WOB1+WOB2+WOB3+.....+WOBn)/n=(2.5+2.6+2.45+2.3+1.3+3.5)/6=2.44 tons；
2 to 3 tons of weight on bit settings value range judges that bit pressure is stablized by comparing；
N takes 6, is measured by above-mentioned component n times and bores disk rotating speed 60rpm, 60rpm, 59rpm, 60rpm, 61rpm, 60rpm, puts down
Bore disk rotating speed=(RPM1+RPM2+RPM3+.....+RPMn)/n=(60+60+59+60+61+60)/6=60rpm；Bore disk
Range of speeds value 59 is judged to 61rpm by comparing, and is bored disk rotating speed and is stablized；
N takes 6, by above-mentioned component n times measure 8 liter/second of pump speed, 7.95 liters/second, 8 liters/second, 8.02 liters/second, 7.98 liters/
Second, 8 liters/second, average pump speeds=(inlet flow rate 1+ inlet flow rate 2+ inlet flow rate 3+.....+ inlet flow rates n)/n (8+7.95+
8+8.02+7.98+8)/6=7.99 liters/second；7.95 to 8.05 liters/seconds of disk rotating speed value range is bored, is judged by comparing, pump speed is steady
It is fixed；
N takes 6,6 ms/h when measuring brill by above-mentioned component n times, 6.7 ms/h, 5.4 ms/h, 6.7 ms/h,
5.2 ms/h, 5.4 ms/h, when averagely boring=(ROP1+ROP2+ROP3+.....+ROPn)/n=(6+6.7+5.4+6.7
+ 5.2+5.4)/6=5.9 ms/h；3 ms/hour to 5 ms/h of value range when brill judge that when brill accelerates, explanation by comparing
Pierce new stratum, it may occur however that overflow or leakage, system carry out level-one alarm.
Embodiment 2：
Secondary alarm is arranged 200 liters, by above-mentioned component measures inlet flow rate in every 60 seconds, rate of discharge is respectively：8 liters/second
With 8.2 liters/second, 8 liters/second and 8.9 liters/second, 8 liters/second and 9.8 liters/second, 8 liters/second and 10.3 liters/second, 8 liters/second and 10.8 liters/
Second, 8 liters/second and 11.5 liters/second, More than secondary alarm setting 200
It rises, system carries out secondary alarm.
Example 3：
500 liters of three-level alarm setting, by above-mentioned component measures inlet flow rate in every 60 seconds, rate of discharge is respectively：8 liters/second
With 8.3 liters/second, 8 liters/second and 8.9 liters/second, 8 liters/second and 9.6 liters/second, 8 liters/second and 10 liters/second, 8 liters/second and 10.7 liters/
Second, 8 liters/second and 11.5 liters/second, 8 liters/second and 12.3 liters/second, 8 liters/second and 13 liters/second, More than 500 liters of three-level alarm setting, system carries out three-level alarm.
Embodiment described above is only that the preferred embodiment of the present invention is described, not to the scope of the present invention
It is defined, under the premise of not departing from design spirit of the present invention, technology of this field ordinary engineering and technical personnel to the present invention
The various modifications and improvement that scheme is made should all be fallen into the protection domain of claims of the present invention determination.
Claims (11)
1. a kind of overflow leakage monitoring method, which is characterized in that include the following steps：
(1) data collection steps：Each ginseng of drilling parameter, data input device input that first data acquisition device is acquired in real time
The database of number deposit overflow leakage loss monitoring system, the drilling parameter of wherein data acquisition device acquisition include standpipe pressure, enter
When mouth flow, rate of discharge, bit pressure, brill, bore disk rotating speed；Data input device input parameter include mud slurry pump cylinder jacket diameter,
Length of stroke, the efficiency of pump and alarm parameters setting；
(2) parameter setting step：Bit pressure range, brill disk rotating speed in alarm parameters setting under setting normal operating conditions
Range, standpipe pressure range, accumulative entrance amount difference when range, inlet flow rate range, brill；
(3) it calculates, compare, decision and level-one alarming step：It is poor using inlet flow rate, rate of discharge mathematic interpolation entrance amount
Value, and carry out data and curvilinear figure show, setting bit pressure, brill disk rotating speed, inlet flow rate are constant in alarm parameters setting
In the case of, it changes when if boring, illustrates that formation lithology changes, overflow or leakage stratum may be pierced, carry out overflow
Or leakage level-one alarm.
2. overflow leakage monitoring method as described in claim 1, which is characterized in that the meter of inlet flow rate in the step (3)
Calculate formula=3 × 3.14 × D2/ 4 × L × V × Q, wherein D are mud slurry pump cylinder jacket diameter；L is length of stroke；V is pump speed；Q is
The efficiency of pump.
3. overflow leakage monitoring method as described in claim 1, which is characterized in that entrance difference in flow in the step (3)
Value=rate of discharge-inlet flow rate, wherein entrance difference in flow are that timing is overflow, are leakages when being negative.
4. overflow leakage monitoring method as described in claim 1, which is characterized in that in the step (3) It is spillway discharge to obtain positive value, and it is wastage to obtain negative value, and i is time point, in seconds, it is necessary to
More than 1, and it is integer, n is the period, and is integer.
5. overflow leakage monitoring method as described in claim 1, which is characterized in that the bit pressure acquired in the step (3) is adopted
With average value=(WOB1+WOB2+WOB3+.....+WOBn)/n of the actual measurement bit pressure at n time point, it is arranged and stablizes bit pressure model
It encloses, the bit pressure of acquisition is compared with set stable bit pressure range, if without departing from the range, system assert that bit pressure is stablized,
If exceeding the range, system assert that bit pressure is unstable, cannot function as judgment basis, i.e., alarms without decision；The brill disk of acquisition
Rotating speed bores average value=(RPM1+RPM2+RPM3+.....+RPMn)/n of disk rotating speed using the actual measurement at n time point, and setting is steady
Surely disk rotating speed range is bored, the brill disk rotating speed of acquisition is compared with set stable disk rotating speed range of boring, if without departing from the model
It encloses, system identification is bored disk rotating speed and is stablized, if exceeding the range, disk rotating speed shakiness is bored in system identification, cannot function as judgment basis,
Alarm without decision；The inlet flow rate of acquisition takes average value=(inlet flow rate of the actual measurement inlet flow rate at n time point
1+ inlet flow rate 2+ inlet flow rate 3+.....+ inlet flow rates n)/n is arranged and stablizes inlet flow rate range, if without departing from the model
It encloses, system assert that inlet flow rate is stablized, if exceeding the range, system assert that inlet flow rate is unstable, cannot function as judgment basis,
Alarm without decision；Average value=(ROP1+ROP2+ROP3 when being bored using the actual measurement at n time point when the brill of acquisition
+ ... ..+ROPn)/n, it is arranged and stablizes range when boring, if without departing from the range, system identification is stablized when boring, if beyond should
Range is accelerated or slack-off when system identification is bored, may pierce new stratum, and indication is likely to occur overflow or leakage, system into
Row level-one is alarmed.
6. overflow leakage monitoring method as described in claim 1, which is characterized in that further include secondary alarm step：Described
It is set in alarm parameters setting and adds up entrance amount difference as the critical value that overflow or leakage will occur, if the reality of acquisition
When entrance amount difference reach the setting value, carry out overflow or leakage secondary alarm.
7. overflow leakage monitoring method as claimed in claim 6, which is characterized in that further include three-level alarming step：Described
It is set in alarm parameters setting and adds up entrance amount difference as the critical value that overflow or leakage will occur, if the reality of acquisition
When entrance amount difference reach the setting value, confirm that overflow or leakage has occurred in underground, carry out overflow or leakage three-level alarm, well
Team carries out well control program.
8. a kind of overflow leakage loss monitoring system, it is characterised in that：Including：
Data acquisition device：Including PLC, the PLC acquires drilling parameter in real time, and the parameter of acquisition is stored in the number of industrial personal computer
According to library；
Data input device：It is set to the control system of industrial personal computer, the parameter of input is directly stored in the database；
Industrial personal computer：The parameter of the parameter, data input device input that receive data acquisition device acquisition is stored in database, and by institute
All parameter informations for stating database reception feed back to internal number display, graphical display and calculate comparison decision alarm, by
It calculates comparison decision alarm and parameter information is fed back into warning device；
Warning device：It receives the instruction that industrial personal computer is sent out and executes alarm.
9. overflow leakage loss monitoring system as claimed in claim 8, it is characterised in that：The data acquisition device, data input
Device is connected by the database of cable and industrial personal computer respectively, and the calculating comparison decision alarm passes through net with the warning device
Line connects, and the database of the industrial personal computer is shown by data line with the number of industrial personal computer, respectively compared with graphical display and calculating
Decision alarm connection.
10. overflow leakage loss monitoring system as claimed in claim 8, it is characterised in that：The ginseng of the data acquisition device acquisition
When number includes standpipe pressure, inlet flow rate, rate of discharge, bit pressure, brill, bore disk rotating speed.
11. overflow leakage loss monitoring system as claimed in claim 8, it is characterised in that：The ginseng of the data input device input
Number includes mud slurry pump cylinder jacket diameter, length of stroke, the efficiency of pump and alarm parameters setting.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109339768A (en) * | 2018-10-23 | 2019-02-15 | 西南石油大学 | A kind of micro- overflow monitoring while drilling method of drilling well |
| CN109707368A (en) * | 2018-12-28 | 2019-05-03 | 四川永盛祥科技有限公司 | A method of overflow, which is carried out, in drilling well trip-out operation and in drilling well tripping operation misses early warning trend analysis |
| CN109751045A (en) * | 2018-11-23 | 2019-05-14 | 中国石油集团长城钻探工程有限公司录井公司 | A kind of overflow leakage monitoring method and device |
| CN110485991A (en) * | 2019-09-05 | 2019-11-22 | 新疆格瑞迪斯石油技术股份有限公司 | A kind of overflow leakage loss monitoring alarm system with control sled |
| CN112502695A (en) * | 2021-02-05 | 2021-03-16 | 西安海联石化科技有限公司 | Drilling liquid level and leakage monitoring method |
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