CN108678725A - Underground frictional resistance and torque Real Time Monitoring method - Google Patents
Underground frictional resistance and torque Real Time Monitoring method Download PDFInfo
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- CN108678725A CN108678725A CN201810391403.1A CN201810391403A CN108678725A CN 108678725 A CN108678725 A CN 108678725A CN 201810391403 A CN201810391403 A CN 201810391403A CN 108678725 A CN108678725 A CN 108678725A
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B44/00—Automatic control systems specially adapted for drilling operations, i.e. self-operating systems which function to carry out or modify a drilling operation without intervention of a human operator, e.g. computer-controlled drilling systems; Systems specially adapted for monitoring a plurality of drilling variables or conditions
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Abstract
The invention discloses a kind of underground frictional resistances and torque Real Time Monitoring method, it is driven using top or the data foundation analyzed in real time as underground frictional resistance and torque of real time data of turntable hook load, torque, well depth, by different coefficients of friction and drillng operation operating mode, the prediction well head hook load and torque curve of dynamic well depth are generated respectively；The real-time tendency line of hook load and torque is generated by real time data, selectes underground friction coefficient and Trendline and prediction well head hook load and torque curve comparison diagram；The dynamic well depth and friction coefficient of the frictional resistance or torque exception in comparison diagram are chosen, generates the drilling tool force analysis figure of static well depth, underground frictional resistance and torque distribution map respectively.The present invention utilizes well head real time data, in conjunction with the tubular buckling analysis of dynamic and static well depth, realizes the dynamic monitoring and static analysis to underground frictional resistance, torque under different operating modes, and providing timely and effectively underground complexity for site operation analyzes and determines foundation.
Description
Technical field
The present invention relates to a kind of underground frictional resistances and torque Real Time Monitoring method, belong to oil and gas mud logging techniques
Field.
Background technology
With the development of current oil-gas exploration and development, straight well and common directional well cannot adapt to the oil gas of Holes of Complicated Wells completely
Probing needs, and therefore, the application of the special wells such as horizontal well, extended reach well is more and more extensive, and horizontal well, extended reach well are deposited
Long horizontal displacement, high deviation angle and the long open hole steady tilted section the features such as, underground frictional resistance and torque are all universal larger, are easy to draw
Drilling tool eccentric wear is sent out, orientation drags a series of underground complexity for influencing drilling safety and rate of penetration such as pressure, if not finding in time, it will
Even more serious underground failure even accident is induced, drilling well timeliness and cost are increased.
The variation of underground frictional resistance and torque can directly or indirectly reflect wellbore environment, borehole wall stability and down-hole equipment
The problems such as state, especially horizontal well, extended reach well etc. special wells, the anomalous variation of frictional resistance, torque under timely monitoring well,
It calculates analysis and continues whether operation can destroy wellbore integrity, downhole pipeline is damaged, and then take and timely subtract torsion drop
Rub measure, is the key that safe, quick, the smooth finishing drilling of a well.However, the drag and torque analytical model of current country's mainstream is all
It is biased to ex ante forecasting and ex-post analysis, lacks the monitoring to real-time drilling work progress, lacks timeliness, therefore, it is necessary to grind
Study carefully and a kind of the underground frictional resistance and torque Real Time Monitoring method and system of combination real time data.
Invention content
It is an object of the invention to overcome the above problem of the existing technology, a kind of underground frictional resistance is provided and torque is real-time
Method for monitoring and analyzing.The present invention utilizes well head real time data, in conjunction with the tubular buckling analysis of dynamic and static well depth, realizes to not
With the dynamic monitoring and static analysis of underground frictional resistance, torque under operating mode, it is complicated to provide timely and effectively underground for site operation
Analyze and determine foundation.
To achieve the above object, the technical solution adopted by the present invention is as follows：
A kind of underground frictional resistance and torque Real Time Monitoring method, it is characterised in that：Using top drive or turntable hook load, turn round
The data foundation analyzed in real time as underground frictional resistance and torque of real time data of square, well depth, is made by different coefficients of friction and drilling well
Industry operating mode generates the prediction well head hook load and torque curve of dynamic well depth respectively；Hook load is generated by real time data
With the real-time tendency line of torque, underground friction coefficient and Trendline and prediction well head hook load and torque curve pair are selected
Than figure；The dynamic well depth and friction coefficient of the frictional resistance or torque exception in comparison diagram are chosen, generates the drilling tool of static well depth respectively
Force analysis figure, underground frictional resistance and torque distribution map.
The drillng operation operating mode includes monitoring operating mode and in real time analysis operating mode in real time, and it includes making a trip to monitor operating mode in real time
Operating mode and setting of casing operating mode, it includes rotary drilling, slipping drilling and reaming to analyze operating mode in real time.
The operating mode that makes a trip above carries hook load using what well head measured, transfers hook load, is carried from bottom idle running hook
Lotus and from bottom idling torque, setting of casing operating mode above carries hook load using what well head measured, transfers hook load.
Using make a trip or the well head hook load of setting of casing monitoring of working condition and torque comparative analysis prediction well head hook carry
Lotus and torque determine underground friction coefficient, and underground frictional resistance or torque the abnormity point position are marked on comparison diagram, generate drilling tool stress
Analysis chart simultaneously marks down-hole equipment the abnormity point position.
The real-time analysis operating mode uses the dynamic well depth of well head Real-time Monitoring Data exception and the friction coefficient of determination,
Drilling tool force analysis figure, underground frictional resistance and torque distribution map are generated respectively, and down-hole equipment the abnormity point position is marked in distribution map.
In the method, hook load sensor is measured by well head, torque sensor or rotary table torque sensor are driven in top
And the real time data that rotary depth sensor measures, the analog signal measured is sent to industrial personal computer, then by data acquisition module
Real time data is intercepted from industrial personal computer.
Torque sensor is driven on the top or rotary table torque sensor is mounted on top drive or turntable power cable position；Hook carries
Lotus sensor is mounted on the big rope position of drilling well on dead line anchor top；Rotary depth sensor is mounted on winch drum shaft position.
Real time data is sent to terminal applies computer by the data acquisition module, is provided on terminal applies computer
The real-time monitoring modular of drag and torque, dynamic well depth frictional resistance and torsional analysis module and static well depth frictional resistance and torsional analysis mould
Block.
The terminal applies computer first passes through dynamic well depth frictional resistance and torsional analysis module, according to actual well drilled parameter,
By different coefficients of friction and working condition, the prediction frictional resistance and torque curve comparison diagram for generating dynamic well depth are calculated, is then passed through
Frictional resistance and the real-time monitoring modular of torque generate the real-time tendency line of real time data, select friction coefficient and real-time tendency line with
It predicts the comparison diagram of well head hook load and torque curve, chooses the abnormal point pair of Trendline and theoretical prediction curve in comparison diagram
The dynamic well depth and friction coefficient answered, finally by static well depth frictional resistance and torsional analysis module, according to currently practical operating mode, meter
The selected dynamic well depth of point counting analysis is corresponding along the torque distribution of down-hole equipment, hook load distribution, lateral force distribution, buckling shape
State, possible fatigue failure point generate drilling tool force analysis figure, underground frictional resistance and torque distribution map, and underground is marked in distribution map
Drilling tool the abnormity point position.
Advantage using the present invention is：
1, the present invention drives the well heads real time datas such as torque using hook load, turntable or top, in conjunction with dynamic and the pipe of static well depth
Column mechanical analysis is realized dynamic monitoring and static analysis to underground frictional resistance, torque under different operating modes, is provided for site operation
Timely and effectively underground complexity analyzes and determines foundation.
2, the present invention integrates drilling well real-time data acquisition, monitoring, analysis, suitable for being monitored drilling process
And early warning, it can be used for the monitoring and analysis of straight well, conventional directional well, horizontal well and extended reach well drilling process, have to routine
Drilling well, under balance pressure drilling and controlled pressure drilling carry out the ability of underground frictional resistance, torque monitoring and analysis.
3, whether Real Time Monitoring wellbore environment of the present invention deteriorates, and frictional resistance is with torque with the presence or absence of abnormal, down-hole equipment
Whether locking or failure are occurred, and prompt in time, which is taken to subtract to turn round, drops the measure that rubs, and solves caused by underground frictional resistance or torque are excessive
Underground complex accident can improve drillng operation efficiency, reduce wellbore construction cost, ensure drilling well production safety.
Description of the drawings
Fig. 1 is inventive sensor schematic view of the mounting position；
Fig. 2 is present system theory structure schematic block diagram；
In figure label for：1. the big rope of drilling well, 2. tourist buses, 3. winches, 4. turntables, 5. tops are driven, 6. down-hole equipments, 7. pit shafts, 8. bore
Head, 9. industrial personal computers, 10. rotary depth sensors, 11. rotary table torque sensors, 12. top drive torque sensors, 13. dead line anchors,
14. hook load sensor, 15. servocomputers, 16. terminal applies computers, 17. data acquisition modules, 18. frictional resistances and torsion
The real-time monitoring modular of square, 19. dynamic well depth frictional resistances and torsional analysis module, 20. static well depth frictional resistances and torsional analysis module,
21. peripheral hardware display screen, 22. input equipments.
Specific implementation mode
Embodiment 1
A kind of underground frictional resistance and torque Real Time Monitoring method, including：Driven using real-time top or turntable hook load, torque,
The data foundation that the real time data of well depth is analyzed in real time as underground frictional resistance and torque, by different coefficients of friction and drillng operation work
Condition generates the prediction well head hook load and torque curve of dynamic well depth respectively；It generates hook load by real time data and turns round
The real-time tendency line of square selectes underground friction coefficient and Trendline and prediction well head hook load and torque curve comparison diagram；
The dynamic well depth and friction coefficient of the frictional resistance or torque exception in comparison diagram are chosen, generates the drilling tool stress point of static well depth respectively
Analysis figure, underground frictional resistance and torque distribution map.
The drillng operation operating mode includes monitoring operating mode and in real time analysis operating mode in real time, and it includes making a trip to monitor operating mode in real time
Operating mode and setting of casing operating mode, it includes rotary drilling, slipping drilling and reaming to analyze operating mode in real time.
The operating mode that makes a trip above carries hook load using what well head measured, transfers hook load, is carried from bottom idle running hook
Lotus and from bottom idling torque, setting of casing operating mode above carries hook load using what well head measured, transfers hook load.
Using make a trip or the well head hook load of setting of casing monitoring of working condition and torque comparative analysis prediction well head hook carry
Lotus and torque determine underground friction coefficient, and underground frictional resistance or torque the abnormity point position are marked on comparison diagram, generate drilling tool stress
Analysis chart simultaneously marks down-hole equipment the abnormity point position.
The real-time analysis operating mode uses the dynamic well depth of well head Real-time Monitoring Data exception and the friction coefficient of determination,
Drilling tool force analysis figure, underground frictional resistance and torque distribution map are generated respectively, and down-hole equipment the abnormity point position is marked in distribution map.
In the method, hook load sensor is measured by well head, torque sensor or rotary table torque sensor are driven in top
And the real time data that rotary depth sensor measures, the analog signal measured is sent to industrial personal computer, then by data acquisition module
Real time data is intercepted from industrial personal computer.
Torque sensor is driven on the top or rotary table torque sensor is mounted on top drive or turntable power cable position；Hook carries
Lotus sensor is mounted on the big rope position of drilling well on dead line anchor top；Rotary depth sensor is mounted on winch drum shaft position.
Real time data is sent to terminal applies computer by the data acquisition module, is provided on terminal applies computer
The real-time monitoring modular of drag and torque, dynamic well depth frictional resistance and torsional analysis module and static well depth frictional resistance and torsional analysis mould
Block.
The terminal applies computer first passes through dynamic well depth frictional resistance and torsional analysis module, according to actual well drilled parameter,
By different coefficients of friction and working condition, the prediction frictional resistance and torque curve comparison diagram for generating dynamic well depth are calculated, is then passed through
Frictional resistance and the real-time monitoring modular of torque generate the real-time tendency line of real time data, select friction coefficient and real-time tendency line with
It predicts the comparison diagram of well head hook load and torque curve, chooses the abnormal point pair of Trendline and theoretical prediction curve in comparison diagram
The dynamic well depth and friction coefficient answered, finally by static well depth frictional resistance and torsional analysis module, according to currently practical operating mode, meter
The selected dynamic well depth of point counting analysis is corresponding along the torque distribution of down-hole equipment, hook load distribution, lateral force distribution, buckling shape
State, possible fatigue failure point generate drilling tool force analysis figure, underground frictional resistance and torque distribution map, and underground is marked in distribution map
Drilling tool the abnormity point position.
Embodiment 2
The present invention will be further described for the present embodiment combination attached drawing.
The present invention measures hook load sensor 14 by installing Special wellhead additional, and torque sensor 12 or turntable torque are driven in top
The analog signal measured is sent to special IPC 15, then, is acquired by data by sensor 11 and rotary depth sensor 3
Software 17 intercepts real time data from industrial personal computer 9, and real time data is sent to be equipped with and be turned round including frictional resistance by the acquisition software 17
The real-time monitoring modular 18 of square, dynamic well depth frictional resistance and torsional analysis module 19 and static well depth frictional resistance and torsional analysis module 20
Software systems terminal computer 17.Software systems 17 first must by dynamic well depth frictional resistance and torsional analysis module 19,
According to actual well drilled parameter, by different coefficients of friction and working condition, wherein working condition is including monitoring operating mode in real time and in real time
Operating mode is analyzed, operating mode is monitored in real time and is divided into make a trip operating mode and setting of casing operating mode, it includes rotary drilling, sliding to analyze operating mode in real time
Drilling and reaming, it is described make a trip or setting of casing regime mode under（The operating mode that makes a trip above puies forward hook load using what well head measured
Lotus transfers hook load, and from bottom idle running hook load and from bottom idling torque, setting of casing operating mode is above carried greatly using what well head measured
Hook load transfers hook load）, calculate a series of prediction frictional resistance for generating dynamic well depths（Reflected by hook load）With torque song
Then line chart by frictional resistance and the real-time monitoring modular 18 of torque, generates the Trendline of the real time data, select friction coefficient,
And the comparison diagram of the Trendline and prediction well head hook load and torque curve, it is pre- to choose Trendline and theory in comparison diagram
The corresponding dynamic well depth of abnormal point and friction coefficient of curve are surveyed, finally, by static well depth frictional resistance and torsional analysis module 20,
According to currently practical operating mode, it is corresponding along the torque distribution of down-hole equipment 6, hook load point to calculate the selected dynamic well depth of analysis
Cloth, lateral force distribution, flexion, possible fatigue failure point etc. generate drilling tool force analysis figure, underground frictional resistance（By hook
Load reflects）With torque distribution map, 6 the abnormity point position of down-hole equipment is marked in the distribution map.
In Fig. 1,1 is the big rope of drilling well, and 2 be tourist bus, and 3 be winch, and 4 be turntable, and 5 drive for top, and 6 be down-hole equipment, and 7 be well
Cylinder, 8 be drill bit, and 9 be industrial personal computer, and 10 be rotary depth sensor, and 11 be rotary table torque sensor, and 12 drive torque sensor to push up, 13
It is hook load sensor for dead line anchor, 14,15 be servocomputer, and 16 be terminal applies computer.In 4 power of turntable
Cable position installs rotary table torque sensor 11 or top drives 5 power cable positions installation top and drives torque sensor 12, measures turntable
Or torque is driven on top；In 1 position of the big rope of 13 top drilling well of dead line anchor, installation hook load sensor 14, measures hook load；
Rotary depth sensor 10 is installed in 3 roller shaft position of winch, measures well depth；The sensor is connected to industrial personal computer 9 by signal wire,
Industrial personal computer converts analog signals into digital signal；Industrial personal computer 9 is connected to servocomputer 15 by signal wire or wireless signal,
Digital signal is sent to the servocomputer 15 for being equipped with data acquisition software, data acquisition software real-time decoding stores data；
Servocomputer 15 is connected to terminal applies computer 16 by signal wire, sends real time data to being equipped with underground frictional resistance and torsion
The terminal applies computer 16 of square Real Time Monitoring software systems.
In fig. 2, torque sensor 12 is driven on rotary depth sensor 10, rotary table torque sensor 11 or top and hook load passes
The analog signal measured is sent to industrial personal computer 9 by sensor 14, and industrial personal computer 9 converts analog signals into digital signal and sends
To the servocomputer 15 for being equipped with real-time data acquisition software 17, storage Data Concurrent is sent to that be equipped with Real Time Monitoring soft
The terminal applies computer 16 of part system shows and handles real time data by peripheral hardware display screen 21 and input equipment 22.
Claims (9)
1. a kind of underground frictional resistance and torque Real Time Monitoring method, it is characterised in that：Using top drive or turntable hook load, turn round
The data foundation analyzed in real time as underground frictional resistance and torque of real time data of square, well depth, is made by different coefficients of friction and drilling well
Industry operating mode generates the prediction well head hook load and torque curve of dynamic well depth respectively；Hook load is generated by real time data
With the real-time tendency line of torque, underground friction coefficient and Trendline and prediction well head hook load and torque curve pair are selected
Than figure；The dynamic well depth and friction coefficient of the frictional resistance or torque exception in comparison diagram are chosen, generates the drilling tool of static well depth respectively
Force analysis figure, underground frictional resistance and torque distribution map.
2. underground frictional resistance according to claim 1 and torque Real Time Monitoring method, it is characterised in that：The drilling well is made
Industry operating mode includes monitoring operating mode and analysis operating mode in real time in real time, and monitoring operating mode includes make a trip operating mode and setting of casing operating mode in real time,
Analysis operating mode includes rotary drilling, slipping drilling and reaming in real time.
3. underground frictional resistance according to claim 2 and torque Real Time Monitoring method, it is characterised in that：It is described to make a trip
Operating mode above carries hook load using what well head measured, transfers hook load, dallies hook load and from bottom idling torque the bottom of from, under
Casing operating mode above carries hook load using what well head measured, transfers hook load.
4. underground frictional resistance according to claim 3 and torque Real Time Monitoring method, it is characterised in that：Using making a trip
Or the well head hook load and torque comparative analysis prediction well head hook load and torque of setting of casing monitoring of working condition, determine that underground is rubbed
Coefficient is wiped, underground frictional resistance or torque the abnormity point position are marked on comparison diagram, generate drilling tool force analysis figure and underground is marked to bore
Has the abnormity point position.
5. underground frictional resistance according to claim 4 and torque Real Time Monitoring method, it is characterised in that：It is described to divide in real time
Operating mode is analysed using the dynamic well depth of well head Real-time Monitoring Data exception and the friction coefficient of determination, generates drilling tool stress point respectively
Analysis figure, underground frictional resistance and torque distribution map mark down-hole equipment the abnormity point position in distribution map.
6. underground frictional resistance according to claim 5 and torque Real Time Monitoring method, it is characterised in that：The method
In, hook load sensor is measured by well head, torque sensor or rotary table torque sensor are driven in top and rotary depth sensor is surveyed
The analog signal measured is sent to industrial personal computer, then is intercepted in fact from industrial personal computer by data acquisition module by the real time data of amount
When data.
7. underground frictional resistance according to claim 6 and torque Real Time Monitoring method, it is characterised in that：The top, which is driven, to be turned round
Square sensor or rotary table torque sensor are mounted on top drive or turntable power cable position；Hook load sensor is mounted on dead line
The big rope position of drilling well on fixator top；Rotary depth sensor is mounted on winch drum shaft position.
8. underground frictional resistance according to claim 7 and torque Real Time Monitoring method, it is characterised in that：The data are adopted
Real time data is sent to terminal applies computer by collection module, and be provided with drag and torque on terminal applies computer monitors mould in real time
Block, dynamic well depth frictional resistance and torsional analysis module and static well depth frictional resistance and torsional analysis module.
9. underground frictional resistance according to claim 8 and torque Real Time Monitoring method, it is characterised in that：The terminal is answered
Dynamic well depth frictional resistance and torsional analysis module are first passed through with computer, according to actual well drilled parameter, by different coefficients of friction and work
Industry operating mode calculates the prediction frictional resistance and torque curve comparison diagram for generating dynamic well depth, is then monitored in real time by frictional resistance and torque
Module generates the real-time tendency line of real time data, select friction coefficient and real-time tendency line and prediction well head hook load and
The comparison diagram of torque curve chooses Trendline dynamic well depth corresponding with the abnormal point of theoretical prediction curve and friction in comparison diagram
Coefficient calculates the selected dynamic well depth of analysis finally by static well depth frictional resistance and torsional analysis module according to currently practical operating mode
It is corresponding along the torque distribution of down-hole equipment, hook load distribution, lateral force distribution, flexion, possible fatigue failure point,
Drilling tool force analysis figure, underground frictional resistance and torque distribution map are generated, down-hole equipment the abnormity point position is marked in distribution map.
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| CN201810391403.1A CN108678725A (en) | 2018-04-27 | 2018-04-27 | Underground frictional resistance and torque Real Time Monitoring method |
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| CN113530525A (en) * | 2021-07-20 | 2021-10-22 | 北京蓝海智信能源技术有限公司 | Method and device for analyzing well cleaning condition and computer storage medium |
| CN113392483A (en) * | 2021-08-16 | 2021-09-14 | 中国石油集团川庆钻探工程有限公司 | Method and device for determining friction coefficient of shaft and method and device for determining friction resistance of shaft |
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