CN201826828U - Automatic oil and gas drill throttle pressure monitoring system - Google Patents

Automatic oil and gas drill throttle pressure monitoring system Download PDF

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Publication number
CN201826828U
CN201826828U CN2010205907629U CN201020590762U CN201826828U CN 201826828 U CN201826828 U CN 201826828U CN 2010205907629 U CN2010205907629 U CN 2010205907629U CN 201020590762 U CN201020590762 U CN 201020590762U CN 201826828 U CN201826828 U CN 201826828U
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China
Prior art keywords
module
control module
control
circulating system
drilling well
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Expired - Fee Related
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CN2010205907629U
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Chinese (zh)
Inventor
曹式敬
刘刚
宋林松
薛锡月
李军伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Oilfield Services Ltd
China University of Petroleum East China
China National Offshore Oil Corp CNOOC
Original Assignee
China Oilfield Services Ltd
China University of Petroleum East China
China National Offshore Oil Corp CNOOC
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Priority to CN2010205907629U priority Critical patent/CN201826828U/en
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Publication of CN201826828U publication Critical patent/CN201826828U/en
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Abstract

The utility model provides an automatic oil and gas throttle pressure monitoring system which comprises an input module, a control module, a display module, a feedback module and a hydraulic adjustment module, wherein control parameters are input in the input module, and are then transmitted into the control module, the control module receives the information transmitted by the feedback module, converts the information into digital parameters, and transmits the digital parameters to the display module, control indicators are generated by the control module according to the control parameters and the digital parameters input by the input module, and then are transmitted to the hydraulic adjustment module by the control module, the display module receives the digital parameters transmitted by the control module and displays the digital parameters, the feedback module monitors the parameter changes of a drill circulating system, and transmits the changes to the display module, and the hydraulic adjustment module operates under the control of the control module, and controls the throttle pressure of the drill circulating system. The automatic oil and gas throttle pressure monitoring system can monitor the drill pressure system in real time, and adjusts and controls the throttle pressure of the drill circulating system according to the monitoring result, so that the throttle pressure of the drill circulating system can be controlled with high precision, the manpower can be saved, the control errors can be reduced, and data can be provided to the following analysis.

Description

A kind of oil/gas drilling choke pressure automatic monitored control system
Technical field
The utility model relates to a kind of oil/gas drilling choke pressure automatic monitored control system.
Background technology
Along with the increase of country to the petroleum resources demand, the career field of oil/gas drilling industry constantly enlarges, marine oil gas reservoir, deep water hydrocarbon Tibetan, HTHP oil-gas reservoir, particular oils gas reservoir, complex reservoir have become the main or major fields of present exploration and development; Along with the raising of wellbore construction to the new technology demand, oil/gas drilling wellbore pressure control technology is constantly development also, and under-balanced drilling technology, gas drilling technology, controlled pressure drilling technology constantly occur and be widely adopted.How to guarantee the well control safety in the drillng operation, how to improve the reliability of well control, secondary well control, reduce the risk that the well control operation brings stratum, well, equipment, personnel, improve the validity of wellbore pressure control, particularly the wellbore pressure system complex, when the pressure window is narrower, how accurately to control wellbore pressure, be the difficult problem of present drilling safety construction.
At present, when implementing underbalance, controlled pressure wellbore construction, the main method that throttle valve opening is realized choke pressure control of manually controlling that adopts.Common practices is to change casing pressure and standpipe pressure by the size that changes choke pressure, to keep the balance of borehole pressure system.But rely on manual change choke pressure control casing pressure and standpipe pressure to have following weakness:
(1) the signal source adopts the gas pressure change to send, the display simulation signal, and precision is lower, and the reading human error is bigger;
(2) general upright pressure, casing pressure, aperture, oil pressure four road signals of only showing of Chang Yong controlling box, information content is less, is difficult to satisfy under balance pressure drilling and the controlled pressure drilling needs to information;
(3) now all adopt artificial way on duty with the controlling box control mode.Observe pressure meter by the people, the surge aperture of choke valve of manual adjustments changes upright the pressure and the size of casing pressure, and this control mode precision is low, and operation inconvenience is slow in reacting, and controlled person's experience influence is big, be unsuitable for to bottom pressure continuously, accurately control;
(4) can't write down pressure change procedure and control procedure, be unfavorable for subsequent analysis;
(5) because the backwardness of method for supervising and control device can't realize the real-time monitoring to important well control parameter, the parameter that also just can't accurately grasp work progress changes, and makes the enforcement of working measure have blindness, has a big risk.
The utility model content
The technical problems to be solved in the utility model provides a kind of real-time online and controls automatically, and the control accuracy height, and the oil/gas drilling choke pressure automatic monitored control system of data analysis can be provided.
In order to address the above problem, the utility model provides a kind of oil/gas drilling choke pressure automatic monitored control system, comprising:
Input module is imported controlling parameter in the described input module, and this controlling parameter is sent to control module;
Control module, described control module connects described input module, display module, feedback module and hydraulic regulation module respectively, described control module receives the drilling well circulating system operation information that feedback module sends, and be that digital parameters sends to display module with this information translation, described control module generates control instruction according to the controlling parameter and the described digital parameters of described input module input, and this control instruction sent to the hydraulic regulation module, control described hydraulic regulation module action;
Display module, described display module receives the digital parameters that described control module is sent, and shows;
Feedback module, described feedback module are connected setting with the described drilling well circulating system and communication connects described control module, and described feedback module is monitored described drilling well circulating system running status, and described drilling well circulating system operation information is sent to described control module;
The hydraulic regulation module, described hydraulic regulation module connects on the standpipe and sleeve pipe choke valve that is arranged in the described drilling well circulating system, and be connected with described control module communication, the action under described control module control of described hydraulic regulation module is by regulating described standpipe and the described drilling well circulating system of sleeve pipe throttle valve control choke pressure.
Further, described control module comprises PLC, and described input module, control module and display module all are arranged in the Industrial Personal Computer (IPC).
Further, described feedback module comprises:
The standpipe pressure sensor, described standpipe pressure sensor is connected setting with described drilling well circulating system neutral tube and communication connects described control module, described standpipe pressure sensor detects the pressure state of described standpipe, and testing result is sent to described control module;
The casing pressure sensor, described casing pressure sensor is connected setting with described drilling well circulating system middle sleeve and communication connects described control module, described casing pressure sensor detects the pressure state of described sleeve pipe, and testing result is sent to described control module;
The separator pressure sensor, described separator pressure sensor is connected setting with eliminator in the described drilling well circulating system and communication connects described control module, described separator pressure sensor detects the pressure state of described eliminator, and testing result is sent to described control module;
Gas flow sensor, described gas flow sensor connect and are arranged in the described drilling well circulating system on the gas circuit and communication connects described control module, detect the flow status of gas in the described drilling well circulating system, and testing result is sent to described control module;
Liquid flow sensor, described liquid flow sensor connect and are arranged in the described drilling well circulating system on the liquid road and communication connects described control module, detect the flow status of liquid in the described drilling well circulating system, and testing result is sent to described control module;
The hydraulic operated valve jaw opening sensor, described hydraulic operated valve jaw opening sensor is arranged in the described drilling well circulating system and is connected on the hydraulic operated valve and with described control module communication, described hydraulic operated valve jaw opening sensor detects the aperture state of hydraulic operated valve, and testing result is sent to described control module;
Pump is towards sensor, and described pump connects on the pump that is arranged in the described drilling well circulating system towards sensor and communication connects described control module, and described pump towards state, and sends to described control module with testing result towards the sensor testing pump.
Further, described hydraulic regulation module comprises:
Gear pump, described gear pump connect motor and by described motor-driven, described gear pump oil-in connects fuel tank by pipeline, and oil-out connects hydraulic cylinder by pipeline;
Hydraulic cylinder, described hydraulic cylinder quantity is 2, connects the choke valve that surges respectively;
Control valve, described control valve are arranged on the pipeline between described gear pump and the hydraulic cylinder, regulate described hydraulic cylinder oil circuit direction under described control module control.
Further, described hydraulic regulation module also comprises with described control valve and is arranged in parallel hand-operated direction valve.
Further, described control valve comprises solenoid operated directional valve and the acceleration switching valve that pipeline connects.
The utlity model has following advantage:
1, the utility model adopts input module, control module, feedback module, hydraulic regulation module and display module to monitor in real time drilling well circulating system key parameter, and regulate and control drilling well circulating system choke pressure according to real-time monitoring result, thereby realize high accuracy control drilling well circulating system choke pressure, and saving manpower, reduce departure, and can be subsequent analysis data are provided, use display module to be convenient to people in addition and observe and analysis drilling well circulating system state, improve the man-machine interaction level.
2, the hydraulic regulation modular structure is simple in the utility model, can realize regulating the choke valve that surges under control module, realizes electric liquid automation, controls simple and reliable.
3, the utility model principle is simple, simple in structure understands, reduces the artificial error that causes that gets involved in the real work, also is convenient to the operator and monitors drilling well circulating system running status, and the utility model making and running cost are cheap, are convenient to promote the use of.
Description of drawings
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
Fig. 1 shows a kind of oil/gas drilling choke pressure of the utility model automatic monitored control system structural representation;
Fig. 2 shows hydraulic regulation module hydraulic principle schematic diagram in a kind of oil/gas drilling choke pressure of the utility model automatic monitored control system.
The specific embodiment
As shown in Figure 1, the utility model comprises input module 1, control module 2, display module 3, feedback module 4 and hydraulic regulation module 5.Wherein:
According to concerning between each parameter, artificial presetting imported controlling parameter in the input module 1.Input module 1 sends to control module 2 by interface with this controlling parameter.
Control module 2 connects input module 1, display module 3, feedback module 4 and hydraulic regulation module 5 respectively.Control module 2 receives the drilling well circulating system 6 operation informations that feedback module 4 sends, and be the required digital parameters of computing with this information translation, and the parameter that will need to show sends to display module 3.Control module 2 generates control instruction according to the controlling parameter of input module 1 input and the digital parameters that the information translation that feedback module 4 sends is become, and this control instruction is sent to hydraulic regulation module 5,5 actions of control hydraulic regulation module.
Display module 3 receives the digital parameters that control module 2 is sent, and shows.
Feedback module 4 is connected setting and communication link control module 2 with the drilling well circulating system 6, feedback module 4 is monitored the drilling well circulating systems 6 running statuses, and the drilling well circulating system 6 operation informations are sent to control module 2.
Hydraulic regulation module 5 connects on the standpipe 61 and sleeve pipe 62 choke valves that is arranged in the drilling well circulating system 6, and be connected with control module 2 communications, hydraulic regulation module 5 action under control module 2 controls is by regulating standpipe 61 and the sleeve pipe 62 throttle valve control drilling well circulating systems 6 choke pressures.
The utility model adopts input module 1, control module 2, feedback module 4, hydraulic regulation module 5 and display module 3 to monitor in real time the drilling well circulating system 6, and regulate and control the drilling well circulating system 6 choke pressures according to real-time monitoring result, thereby realize the high accuracy control drilling well circulating system 6 choke pressures, and saving manpower, reduce departure, and can be subsequent analysis data are provided, use display module 3 to be convenient to people in addition and observe and the analysis drilling well circulating system 6 states, improve the man-machine interaction level.
In the utility model, control module 2 comprises PLC, uses PLC control simple, can conveniently buy finished product, reduces the research and development expense.In addition, input module 1, control module 2 and display module 3 all are arranged in the Industrial Personal Computer (IPC) 7, are convenient to operation.
In the utility model, feedback module 4 comprises that standpipe pressure sensor 41, casing pressure sensor 42, separator pressure sensor 43, gas flow sensor 44, liquid flow sensor 45, hydraulic operated valve jaw opening sensor 46 and pump are towards sensor 47.Wherein:
Standpipe pressure sensor 41 is connected setting and communication link control module 2 with the drilling well circulating system 6 neutral tubes 61, standpipe pressure sensor 41 detects the pressure state of standpipes 61, and testing result is sent to control module 2.
Casing pressure sensor 42 is connected setting and communication link control module 2 with the drilling well circulating system 6 middle sleeves 62, casing pressure sensor 42 detects the pressure state of sleeve pipes 62, and testing result is sent to control module 2.
Separator pressure sensor 43 is connected setting and communication link control module 2 with eliminator 63 in the drilling well circulating system 6, separator pressure sensor 43 detects the pressure state of eliminators 63, and testing result is sent to control module 2.
Gas flow sensor 44 connects and is arranged in the drilling well circulating system 6 on the gas vent 64 and communication link control module 2, detects the flow status of gas in the drilling well circulating system 6, and testing result is sent to control module 2.
Liquid flow sensor 45 connects and is arranged in the drilling well circulating system 6 on the liquid outlet 65 and communication link control module 2, detects the flow status of liquid in the drilling well circulating system 6, and testing result is sent to control module 2.
Hydraulic operated valve jaw opening sensor 46 is arranged in the drilling well circulating system 6 and is connected on the hydraulic operated valve 66 and with control module 2 communications, and hydraulic operated valve jaw opening sensor 46 detects the aperture state of hydraulic operated valve 66, and testing result is sent to control module 2.
Pump connects on the pump 67 that is arranged in the drilling well circulating system 6 and communication link control module 2 towards sensor 47, pump towards state, and sends to control module 2 with testing result towards sensor 47 testing pumps.
As shown in Figure 2, in the utility model, hydraulic regulation module 5 comprises gear pump 51, hydraulic cylinder 52 and control valve 53.In the hydraulic regulation module, also comprise elements such as fuel tank 54, motor 55, strainer 56, accumulator 57, one way valve 58, safety valve 59 and air filter.Wherein:
Gear pump 51 connects motor 55 and is driven by motor 55, and gear pump 51 oil-ins connect fuel tank 54 by pipeline, and oil-out connects hydraulic cylinder 52 by pipeline.Gear pump 51 is pumped into fluid in the fuel tank 54 in the hydraulic cylinder 52 under motor 55 drives, directionally controlled system valve 53 controls of pumping.
Hydraulic cylinder 52 quantity are 2, connect the choke valve that surges respectively.Hydraulic cylinder 52 action under fluid drives, thus drive the choke valve action of surging, and hydraulic cylinder 52 rectilinear motion states can directly be controlled 61 choke valves and 62 throttle valve opening sizes, thereby realize choke pressure size in the control drilling well circulating system 6.
Control valve 53 is arranged on the pipeline between gear pump 51 and the hydraulic cylinder 52, regulates hydraulic cylinder 52 oil circuit directions under control module 2 controls.Control valve 53 except that can control hydraulic cylinder 52 on the both direction of the left and right sides, move realize advancing with retreat, also can realize controlling hydraulic cylinder 52 and remain on certain and determine that the position is motionless.
In the utility model, hydraulic regulation module 5 also comprises with control valve 53 and is arranged in parallel hand-operated direction valve 50.The setting of this hand-operated direction valve 50 can conveniently be used as ensureing when control is broken down automatically, also can manually get involved according to actual needs.
In the utility model, control valve 53 comprises the solenoid operated directional valve 531 and acceleration switching valve 532 that pipeline connects.Every group of hydraulic cylinder 52 cooperates one group of control valve 53, every group of control valve 53 comprises two solenoid operated directional valves 531 and an acceleration switching valve 532, acceleration switching valve 532 is connected in series with solenoid operated directional valve 531, is connected in hydraulic cylinder 52 different hydraulic fluid ports between two solenoid operated directional valves 531 in parallel.Solenoid operated directional valve 531 is simple in structure with acceleration switching valve 532, reliable in action, and controllability is strong, and with low cost.
Hydraulic regulation module 5 is simple in structure in the utility model, can realize regulating standpipe 61 choke valves and sleeve pipe 62 choke valves control module 2 times, realizes electric liquid automation, controls simple and reliable.
The utility model principle is simple, simple in structure to be understood, reduces the artificial error that causes that gets involved in the real work, also is convenient to the operator and monitors the drilling well circulating system 6 running statuses, and the utility model making and running cost are cheap, are convenient to promote the use of.
In sum; it below only is preferred embodiment of the present utility model; be not to be used to limit protection domain of the present utility model; therefore; all any modifications of within spirit of the present utility model and principle, being done, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (6)

1. an oil/gas drilling choke pressure automatic monitored control system is characterized in that, comprising:
Input module is imported controlling parameter in the described input module, and this controlling parameter is sent to control module;
Control module, described control module connects described input module, display module, feedback module and hydraulic regulation module respectively, described control module receives the drilling well circulating system operation information that feedback module sends, and be that digital parameters sends to display module with this information translation, described control module generates control instruction according to the controlling parameter and the described digital parameters of described input module input, and this control instruction sent to the hydraulic regulation module, control described hydraulic regulation module action;
Display module, described display module receives the digital parameters that described control module is sent, and shows;
Feedback module, described feedback module are connected setting with the described drilling well circulating system and communication connects described control module, and described feedback module is monitored described drilling well circulating system running status, and described drilling well circulating system operation information is sent to described control module;
The hydraulic regulation module, described hydraulic regulation module connection is arranged on the choke valve of the choke manifold in the described drilling well circulating system, and be connected with described control module communication, the action under described control module control of described hydraulic regulation module is by regulating the described drilling pressure of described choke manifold throttle valve control system choke pressure.
2. oil/gas drilling choke pressure automatic monitored control system as claimed in claim 1, it is characterized in that: described control module comprises PLC, described input module, control module and display module all are arranged in the Industrial Personal Computer (IPC).
3. oil/gas drilling choke pressure automatic monitored control system as claimed in claim 1, it is characterized in that: described feedback module comprises:
The standpipe pressure sensor, described standpipe pressure sensor is connected setting with described drilling well circulating system neutral tube and communication connects described control module, described standpipe pressure sensor detects the pressure state of described standpipe, and testing result is sent to described control module;
The casing pressure sensor, described casing pressure sensor is connected setting with described drilling well circulating system middle sleeve and communication connects described control module, described casing pressure sensor detects the pressure state of described sleeve pipe, and testing result is sent to described control module;
The separator pressure sensor, described separator pressure sensor is connected setting with eliminator in the described drilling well circulating system and communication connects described control module, described separator pressure sensor detects the pressure state of described eliminator, and testing result is sent to described control module;
Gas flow sensor, described gas flow sensor connect and are arranged in the described drilling well circulating system on the gas circuit and communication connects described control module, detect the flow status of gas in the described drilling well circulating system, and testing result is sent to described control module;
Liquid flow sensor, described liquid flow sensor connect and are arranged in the described drilling well circulating system on the liquid road and communication connects described control module, detect the flow status of liquid in the described drilling well circulating system, and testing result is sent to described control module;
The hydraulic operated valve jaw opening sensor, described hydraulic operated valve jaw opening sensor is arranged in the described drilling well circulating system and is connected on the hydraulic operated valve and with described control module communication, described hydraulic operated valve jaw opening sensor detects the aperture state of hydraulic operated valve, and testing result is sent to described control module;
Pump is towards sensor, and described pump connects on the pump that is arranged in the described drilling well circulating system towards sensor and communication connects described control module, and described pump towards state, and sends to described control module with testing result towards the sensor testing pump.
4. oil/gas drilling choke pressure automatic monitored control system as claimed in claim 1 is characterized in that: described hydraulic regulation module comprises:
Gear pump, described gear pump connect motor and by described motor-driven, described gear pump oil-in connects fuel tank by pipeline, and oil-out connects hydraulic cylinder by pipeline;
Hydraulic cylinder, described hydraulic cylinder quantity is 2, connects the choke valve that surges respectively;
Control valve, described control valve are arranged on the pipeline between described gear pump and the hydraulic cylinder, regulate described hydraulic cylinder oil circuit direction under described control module control.
5. oil/gas drilling choke pressure automatic monitored control system as claimed in claim 4 is characterized in that: described hydraulic regulation module also comprises with described control valve and is arranged in parallel hand-operated direction valve.
6. oil/gas drilling choke pressure automatic monitored control system as claimed in claim 4 is characterized in that: described control valve comprises solenoid operated directional valve and the acceleration switching valve that pipeline connects.
CN2010205907629U 2010-11-03 2010-11-03 Automatic oil and gas drill throttle pressure monitoring system Expired - Fee Related CN201826828U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010205907629U CN201826828U (en) 2010-11-03 2010-11-03 Automatic oil and gas drill throttle pressure monitoring system

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Application Number Priority Date Filing Date Title
CN2010205907629U CN201826828U (en) 2010-11-03 2010-11-03 Automatic oil and gas drill throttle pressure monitoring system

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Publication Number Publication Date
CN201826828U true CN201826828U (en) 2011-05-11

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103132982A (en) * 2013-03-22 2013-06-05 广州东塑石油钻采专用设备有限公司 Well shutdown system by one key
CN105569591A (en) * 2014-10-10 2016-05-11 上海励谙电子技术有限公司 Automatic control device of choke manifold
CN109580087A (en) * 2018-12-12 2019-04-05 中国海洋石油集团有限公司 A kind of test macro and method of standpipe pressure sensor
CN113236183A (en) * 2021-06-22 2021-08-10 中海石油(中国)有限公司湛江分公司 Throttle valve automatic control device and well bottom pressure regulating system under drilling working condition

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103132982A (en) * 2013-03-22 2013-06-05 广州东塑石油钻采专用设备有限公司 Well shutdown system by one key
CN105569591A (en) * 2014-10-10 2016-05-11 上海励谙电子技术有限公司 Automatic control device of choke manifold
CN109580087A (en) * 2018-12-12 2019-04-05 中国海洋石油集团有限公司 A kind of test macro and method of standpipe pressure sensor
CN109580087B (en) * 2018-12-12 2021-02-05 中国海洋石油集团有限公司 Testing system and method for riser pressure sensor
CN113236183A (en) * 2021-06-22 2021-08-10 中海石油(中国)有限公司湛江分公司 Throttle valve automatic control device and well bottom pressure regulating system under drilling working condition

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GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110511

Termination date: 20181103