CN103277089A - Well-drilling early overflow loss ground monitoring device - Google Patents
Well-drilling early overflow loss ground monitoring device Download PDFInfo
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- CN103277089A CN103277089A CN2013102591406A CN201310259140A CN103277089A CN 103277089 A CN103277089 A CN 103277089A CN 2013102591406 A CN2013102591406 A CN 2013102591406A CN 201310259140 A CN201310259140 A CN 201310259140A CN 103277089 A CN103277089 A CN 103277089A
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Abstract
The invention relates to a well-drilling early overflow loss ground monitoring device. The well-drilling early overflow loss ground monitoring device comprises a data acquiring device, a data processor and a drill floor displayer connected with the data processor, wherein the data acquiring device is respectively connected with inlet and outlet flow sensors, a bit pressure sensor, a drill disc rotating speed sensor, a drill disc torque sensor, a mud pit liquid level sensor, a sleeve pressure sensor and a vertical pipe pressure sensor and is connected with the drill floor displayer through the data processor. The well-drilling early overflow loss ground monitoring device adopts a structure mode recognition method, automatically adjusts sensitivity, recognizes the type of well kick media, adopts pictorial chart outputting, achieves intelligentized monitoring, is high in monitoring accuracy, greatly shortens time for finding well kick, facilitates timely adoption of a well control measure, avoids safety accidents, is suitable for various well drilling working conditions, makes up the limitations of traditional monitoring methods, is simple in system structure, simple and convenient to maintain, low in monitoring cost and wide in application range and facilitates large-scale popularization.
Description
Technical field
The present invention relates to the early stage overflow leakage of a kind of drilling well ground monitoring device, particularly a kind of drilling well ground monitoring device.
Background technology
At present, overflow and leakage are common phenomena in the drilling process, if can not in time find, may cause down hole problems such as well slough, blowout, gently then influence drilling efficiency and benefit, and be heavy then accidents caused.Deep-well ultradeep well number increased in recent years, and for the deep-well ultradeep well, because bottom pressure is big, when entering the interior a small amount of gas migration of well to well head, will expand into a large amount of gas.Calculate with bottom pressure 100MPa, when spillway discharge is 1m
3The time, just become about 1000m to well head
3And because a large amount of uncertain factor and conditions, elimination overflow leakage possibly can't realize fully.Therefore, the early monitoring of micro-overflow leakage, very great for well control safety economy benefit and social influence meaning.Find through investigation, be to utilize drilling fluid flowing indicator and mud pit level monitoring using maximum monitoring methods aspect the overflow leakage ground monitoring both at home and abroad at present, also have by the drilling geology comprehensive logging instrument and monitor, but owing to the reason that produces well kick is varied, the factor of influence monitoring is numerous, the drilling well activity is complicated and changeable, the traditional monitoring method can not successfully manage the transient effect under the unsteady state, monitoring accuracy is not high, therefore can not be applicable to various drilling conditions, there is shortcoming in traditional early stage overflow leakage ground monitoring system.
Summary of the invention
In order to overcome the deficiency of existing drilling well ground monitoring device, the invention provides the early stage overflow leakage of a kind of drilling well ground monitoring device.
The technical solution adopted for the present invention to solve the technical problems is:
The early stage overflow leakage of drilling well ground monitoring device, comprise the access flow transmitter, bit weight sensor, brill dish speed probe, brill dish torque sensor, the mud pit liquid level sensor, the casing pressure sensor, the standpipe pressure sensor, it is characterized in that, also comprise data acquisition unit, data processor and the rig floor display that connects with it, described data acquisition unit respectively with the access flow transmitter, bit weight sensor, brill dish speed probe, brill dish torque sensor, the mud pit liquid level sensor, the casing pressure sensor, the standpipe pressure sensor connects, data acquisition unit connects the rig floor display by data processor, is provided with in the described rig floor display to declare to know module and acousto-optic alarm module.
This device is built data collecting system based on the Rs-485 bus structures, and data acquisition unit is from the practical measurement signals of each sensor; This set of systems becomes: successively drilling fluid access flow transmitter is installed on the circulation of drilling fluid pipeline.The mud pit liquid level sensor is installed on the mud pit; Bit weight sensor is installed on the hoisting system of rig; Brill is coiled speed probe, and brill dish torque sensor is installed on the brill dish device; Casing pressure sensor and standpipe pressure sensor are installed in annular space exit and standpipe manifold place respectively.
The rig floor display adopts the light-emitting diode display demonstration to declare the knowledge result, adopts alarm lamp and the alarm buzzer of RS-232 control acousto-optic alarm module.
Further, set up database, comprise each sensor parameters database, well kick and various drilling failure model collection database, the calibration parameter database, syntactic analysis and inference rule database, the Model Matching probability database is declared the knowledge result database.
This device is conducive to the driller and in time takes the well control measure, monitoring accuracy improves, and has shifted to an earlier date the time that well kick is found greatly, has revised the pressure variation that normal drilling well activity causes, thereby make system be applicable to various drilling conditions, avoided the limitation of traditional monitoring method; Adopt the method for picto-diagram output that accuracy is strengthened greatly, rate of false alarm descends, and the output visual result is easy to the driller to be understood, and conveniently controls, and the scope of application is more extensive, is conducive to large-scale promotion and uses.Because adopt the tactic pattern recognition methods, system can regulate sensitivity automatically, the identification well is invaded media type, realizes intelligent monitoring.
The invention has the beneficial effects as follows: adopt the tactic pattern recognition methods, regulate sensitivity automatically, the identification well is invaded media type, adopt the method for picto-diagram output that accuracy is strengthened greatly, rate of false alarm is low, and the output visual result is easy to driller's understanding and controls, and realizes intelligent monitoring; Its monitoring accuracy height has shifted to an earlier date the time that well kick is found greatly, is conducive to the driller and in time takes the well control measure, effectively avoids the generation of security incident, is applicable to various drilling conditions, has remedied the limitation of traditional monitoring method; System architecture is simple, easy maintenance, and the monitoring cost is low, and the scope of application is extensive, is conducive to large-scale promotion.
Description of drawings
Fig. 1 is structural representation of the present invention;
Fig. 2 is the on-the-spot schematic diagrames of embodiments of the invention;
Fig. 3 is that database of the present invention is formed the frame construction schematic diagram;
Fig. 4 is system frame structure schematic diagram of the present invention.
The specific embodiment
The present invention is further described below in conjunction with drawings and Examples.
As Fig. 1～shown in Figure 2, the early stage overflow leakage of drilling well ground monitoring device, comprise the access flow transmitter, bit weight sensor, brill dish speed probe, brill dish torque sensor, the mud pit liquid level sensor, the casing pressure sensor, the standpipe pressure sensor, it is characterized in that, also comprise data acquisition unit, data processor and the rig floor display that connects with it, described data acquisition unit respectively with the access flow transmitter, bit weight sensor, brill dish speed probe, brill dish torque sensor, the mud pit liquid level sensor, the casing pressure sensor, the standpipe pressure sensor connects, data acquisition unit connects the rig floor display by data processor, is provided with in the described rig floor display to declare to know module and acousto-optic alarm module.
This device is built data collecting system based on the Rs-485 bus structures, and the data acquisition unit collection is from the practical measurement signals of each sensor; Drilling fluid access flow transmitter is installed on the drilling fluid entrance surface line circulating line, the drilling fluids outlet flow sensor is installed on the annular space outlet reflux pipeline, the mud pit liquid level sensor is installed on the mud pit; With bit weight sensor be installed on the hoisting system of rig, brill dish speed probe, brill dish torque sensor be installed on the brill dish device; Casing pressure sensor and standpipe pressure sensor are installed in respectively on sleeve pipe and the standpipe device.
The rig floor display adopts the light-emitting diode display demonstration to declare the knowledge result, adopts alarm lamp and the alarm buzzer of RS-232 control acousto-optic alarm module.
Further, as shown in Figure 3, set up the database of well kick leakage loss monitoring system, comprise each sensor parameters database, well kick leakage model database, real-time data base, calibration parameter database, syntactic analysis and inference rule database, Model Matching probability database, declare and know result database, alarm logging database and various drilling failure model collection database; Data processor is handled the data of each sensor, shows by the rig floor display that adopts LED and declares the knowledge result, declares and knows module by alarm lamp and the alarm buzzer of RS-232 control acousto-optic alarm module; The declaring to know of rig floor display stores each sensor parameters database, well kick and various drilling well motility model collection database, calibration parameter database in the module, syntactic analysis and reason DB, Model Matching probability database, declare the knowledge result database.
As shown in Figure 4, system frame structure schematic diagram of the present invention, acquired original data and noise transmission by the contrast of event model and well kick model, by probability calculation, normalization, summation, judge that it is well kick probability or other events to comparator.
The user logs on the early stage overflow leakage of drilling well ground monitoring device by the rig floor display, by entering corresponding interface.Three tab corresponding well kick are respectively monitored main interface, are declared and know interface and historical record interface as a result, acquiescence demonstration well kick is monitored main interface, well kick is monitored main interface and is comprised that various sensor real time data curves show, as access flow, mud pit liquid level, the pressure of the drill, rotary speed, TORQ, standpipe pressure, casing pressure, well kick probability and normal drilling well probability of happening real-time curve.Declaring the knowledge result that declares who knows module comprises: well kick time, intrusion media type, LED alarm content and sound and light alarm.Wherein LED alarm content acquiescence display system is declared the knowledge result automatically, but user's manual modification alarm content.The mode of lighting picto-diagram is adopted in the warning of sound and light alarm module, is lighted when system judges when being the drilling failure of the sort of type corresponding picto-diagram; The user can obtain warning information by checking software interface, LED content and acousto-optic alarm module; The historical record interface is used for checking that historical information, user click different options and can check sensor historical data, time of fire alarming, accident pattern, warning reason and the measure of taking.
The present invention adopts the method for picto-diagram output that accuracy is strengthened greatly, and rate of false alarm descends, and the output visual result is easy to the driller to be understood, and conveniently controls, and the scope of application is more extensive, is conducive to large-scale promotion and uses; Owing to adopt the tactic pattern recognition methods, system can regulate sensitivity automatically, the identification well is invaded media type, be conducive to the driller and in time take the well control measure, monitoring accuracy improves, and has shifted to an earlier date the time that well kick is found greatly, has revised the pressure variation that normal drilling well activity causes, thereby make system be applicable to various drilling conditions, avoided the limitation of traditional monitoring method; Realize intelligent monitoring.
Claims (1)
1. the ground monitoring device is missed in the early stage overflow of drilling well, comprise the access flow transmitter, bit weight sensor, brill dish speed probe, brill dish torque sensor, the mud pit liquid level sensor, the casing pressure sensor, the standpipe pressure sensor, it is characterized in that, also comprise data acquisition unit, data processor and the rig floor display that connects with it, described data acquisition unit respectively with the access flow transmitter, bit weight sensor, brill dish speed probe, brill dish torque sensor, the mud pit liquid level sensor, the casing pressure sensor, the standpipe pressure sensor connects, data acquisition unit connects the rig floor display by data processor, is provided with in the described rig floor display to declare to know module and acousto-optic alarm module.
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104453842A (en) * | 2014-11-07 | 2015-03-25 | 常州大学 | Oil gas well down-hole fault diagnosis system and method |
| CN104632198A (en) * | 2014-12-29 | 2015-05-20 | 中国石油大学(华东) | Shaft overflow early-stage monitoring device and method |
| CN105952436A (en) * | 2016-04-27 | 2016-09-21 | 西南石油大学 | Real time monitor method for early stage well kick overflow based on transient flow |
| CN108625805A (en) * | 2018-06-11 | 2018-10-09 | 西南石油大学 | A kind of under-well bi-directional flow electromagnetic measuring device and measuring method |
| CN108643889A (en) * | 2018-06-08 | 2018-10-12 | 新疆格瑞迪斯石油技术股份有限公司 | overflow leakage monitoring method and monitoring system |
| CN108729868A (en) * | 2018-05-25 | 2018-11-02 | 中国海洋石油集团有限公司 | A kind of deep sea drilling overflow and leakage monitoring method |
| CN109403894A (en) * | 2018-11-16 | 2019-03-01 | 中国石油集团川庆钻探工程有限公司 | A kind of drilling well early stage overflow and leakage loss monitoring system |
| 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 |
| CN114541991A (en) * | 2020-11-24 | 2022-05-27 | 中国石油天然气股份有限公司 | Drilling overflow experiment simulation device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104453842A (en) * | 2014-11-07 | 2015-03-25 | 常州大学 | Oil gas well down-hole fault diagnosis system and method |
| CN104453842B (en) * | 2014-11-07 | 2017-04-26 | 常州大学 | Oil gas well down-hole fault diagnosis system and method |
| CN104632198A (en) * | 2014-12-29 | 2015-05-20 | 中国石油大学(华东) | Shaft overflow early-stage monitoring device and method |
| CN105952436A (en) * | 2016-04-27 | 2016-09-21 | 西南石油大学 | Real time monitor method for early stage well kick overflow based on transient flow |
| CN105952436B (en) * | 2016-04-27 | 2019-08-20 | 西南石油大学 | A method of early stage well kick overflow real-time monitoring is carried out based on instantaneous flow |
| CN108729868A (en) * | 2018-05-25 | 2018-11-02 | 中国海洋石油集团有限公司 | A kind of deep sea drilling overflow and leakage monitoring method |
| CN108643889A (en) * | 2018-06-08 | 2018-10-12 | 新疆格瑞迪斯石油技术股份有限公司 | overflow leakage monitoring method and monitoring system |
| CN108625805A (en) * | 2018-06-11 | 2018-10-09 | 西南石油大学 | A kind of under-well bi-directional flow electromagnetic measuring device and measuring method |
| CN108625805B (en) * | 2018-06-11 | 2021-01-15 | 西南石油大学 | Underground bidirectional flow electromagnetic measuring device and measuring method |
| CN109403894A (en) * | 2018-11-16 | 2019-03-01 | 中国石油集团川庆钻探工程有限公司 | A kind of drilling well early stage overflow and leakage loss monitoring system |
| CN109403894B (en) * | 2018-11-16 | 2021-02-02 | 中国石油集团川庆钻探工程有限公司 | Early overflow and leakage monitoring system for well drilling |
| 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 |
| CN110485991B (en) * | 2019-09-05 | 2024-04-19 | 新疆格瑞迪斯石油技术股份有限公司 | Overflow leakage monitoring alarm system with control sled |
| CN114541991A (en) * | 2020-11-24 | 2022-05-27 | 中国石油天然气股份有限公司 | Drilling overflow experiment simulation device |
| CN114541991B (en) * | 2020-11-24 | 2023-12-26 | 中国石油天然气股份有限公司 | Drilling overflow experiment simulation device |
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Application publication date: 20130904 |