CN114646282A - Rotary steering underground distance measuring device and method - Google Patents
Rotary steering underground distance measuring device and method Download PDFInfo
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- CN114646282A CN114646282A CN202210256167.9A CN202210256167A CN114646282A CN 114646282 A CN114646282 A CN 114646282A CN 202210256167 A CN202210256167 A CN 202210256167A CN 114646282 A CN114646282 A CN 114646282A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/02—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring length, width, or thickness
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B21/00—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant
- G01B21/22—Measuring arrangements or details thereof, where the measuring technique is not covered by the other groups of this subclass, unspecified or not relevant for measuring angles or tapers; for testing the alignment of axes
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Abstract
The invention provides a rotary steering underground distance measuring device and method. The invention comprises the following steps: the device comprises a shell, a control module, a measurement module, a communication module and a power supply for supplying power to the control module, the measurement module and the communication module; the shell is connected with a supporting leg of the rotary guiding tool; the control module, the communication module and the power supply are fixedly connected inside the shell; the measuring module is positioned outside the shell and fixedly connected with the shell; a measurement module comprising: measuring rollers and angular displacement sensors; the rotation angle of the roller is measured by an angular displacement sensor; the control module carries out filtering processing and judgment analysis on the rotation angle of the measuring roller and converts the rotation angle into drilling footage information through an algorithm; and the communication module transmits the drilling footage information to a rotary steering tool, and the rotary steering tool performs steering drilling according to the drilling footage information. The technical problem that in the prior art, the guide drilling efficiency is influenced by interference factors such as delay of transmission of control signals to the underground and the like is solved.
Description
Technical Field
The invention relates to an underground measuring technology, in particular to a rotary steering underground distance measuring device and method, and belongs to the technical field of rotary steering drilling.
Background
The rotary steerable drilling technology began to be studied internationally in the early 90 s of the 20 th century, and 8 major companies in 5 countries such as the united states, the united kingdom, germany, italy, japan, etc. had mastered the engineering application and commercial technology service markets by the mid 90 s of the 20 th century. However, the technology is still rapidly developed on the whole, and the international competition is very fierce. Its advancement, superiority and directionality are enough to show that it is a great revolution of the drilling technology in the world today. Various rotary steerable drilling systems have been proposed abroad, of which the Baker HughesautoTrak system, Powerdrive system of Schlumberger, and Geo-Plot system of SperrySun are the most representative. At present, no mature rotary steering drilling tool enters industrial application at home.
A Rotary Steering Drilling System belongs to the international advanced automatic Drilling technology and is an effective solution for Drilling high-difficulty wells such as ultra-deep wells, high-difficulty directional wells, extended reach wells, horizontal wells and the like. The rotary steering drilling technology is an important mark for advancing to automatic and intelligent drilling and is a high-end technology suitable for severe working environments. The three-dimensional borehole trajectory control drilling technology taking the underground closed-loop rotary steering drilling system as the core represents the leading level of the current petroleum drilling engineering. The rotary steering drilling technology is popularized and applied in horizontal wells, extended reach wells, highly deviated wells and three-dimensional multi-target wells abroad, so that the drilling speed is improved, the accidents are reduced, and the drilling cost is also reduced. The rotary steering closed-loop drilling technology is a development direction of future well track control technology. The continuous rotation of the drill string reduces friction resistance, can have longer horizontal displacement and has larger extension capacity; cleaning the well hole and reducing the risk of drill sticking; the tool surface is not required to be adjusted when the drill bit is pulled out, so that the drilling efficiency is improved; the control precision is improved by timely adjusting operation; the optimal bit pressure value can be used during guiding, the mechanical drilling speed is improved, and the optimal efficiency of the drill bit is exerted.
The rotary steering drilling system is relative to the sliding steering drilling technology, and means that a drill string controls the track of a drill bit under the condition of full rotation, so that the well deviation and the direction can be adjusted. The system is matched with a measurement while drilling technology and an underground control technology, and carries out real-time feedback on underground measurement information through an underground closed loop and a ground closed loop and a two-way communication technology, so that the guiding capacity of a tool is automatically adjusted underground, and the closed loop of guiding drilling is realized. Compared with a sliding guide mode, the mode is more flexible in well deviation and direction adjustment and very high in track control precision. In addition, as the rotating friction resistance is smaller than the sliding friction resistance, the drilling speed and the drilling safety are also improved, thereby improving the drilling efficiency and the development benefit.
At present, the rotary steering drilling distance is mainly controlled by a ground command, and because of interference factors such as delay of transmission of a control signal to the underground, the working difficulty of an operator on the ground is greatly increased, and the steering drilling efficiency is influenced.
Disclosure of Invention
The invention aims to solve the technical problems that the working difficulty of an operator on the well is greatly increased and the guiding drilling efficiency is influenced due to the fact that the rotary guiding drilling distance is controlled through a ground instruction and interference factors such as delay of transmission of a control signal to the underground are caused.
In order to achieve the purpose, the invention adopts the technical scheme that:
a rotary steerable downhole ranging device, comprising: the device comprises a shell, a control module, a measurement module, a communication module and a power supply for supplying power to the control module, the measurement module and the communication module; the shell is connected with a supporting leg of the rotary guiding tool; the control module, the communication module and the power supply are fixedly connected inside the shell; the measuring module is positioned outside the shell and fixedly connected with the shell; the measurement module includes: measuring rollers and angular displacement sensors; the angular displacement sensor and the measuring roller are assembled concentrically; the rotation angle of the measuring roller is measured by the angular displacement sensor; the control module is used for carrying out filtering processing and judgment analysis on the rotation angle of the measuring roller, calculating through an algorithm burnt into the control module, finally converting the rotation angle into drilling footage information, and sending the drilling footage information to the communication module; the communication module is used for receiving a control signal sent by the rotary guiding tool and transmitting the control signal to the control module; and the rotary steering tool is used for transmitting the drilling footage information to the rotary steering tool, and the rotary steering tool conducts steering drilling according to the drilling footage information.
Further, the control module includes: a control circuit board and a control chip; the control chip adopts a DSP chip; and the filter circuit and the anti-interference circuit of the control circuit board are designed in a targeted manner.
Furthermore, a CAN bus communication mode is adopted among the control module, the measurement module and the communication module; the communication module transmits the drilling footage information to the rotary guiding tool in a Zigbee wireless communication mode.
Furthermore, the angular displacement sensor adopts a self-developed sensor, so that the vibration influence in the drilling engineering can be effectively controlled, and the stick-slip of the test roller can be accurately distinguished.
Further, the measuring roller is machined into a fixed tooth number and a tooth shape in an external measuring machine; when the tooth part of the measuring roller is contacted with the well wall, certain friction force is formed between the tooth part of the measuring roller and the well wall.
A rotary steerable downhole ranging method based on the device of claim 1, comprising:
the device is arranged underground, and the measuring roller is in contact with the well wall;
the rotary guiding tool sends a control signal to a communication module, and the communication module feeds the control signal back to the control module; the control module sends the control signal to a measurement module;
the measurement module includes: measuring rollers and angular displacement sensors; the control signal controls the measuring roller to rotate, the angle displacement sensor collects the rotation angle of the measuring roller and sends the measured rotation angle to the control module;
the control module carries out filtering processing and judgment analysis on the rotation angle, calculates the rotation angle through an algorithm burnt into the control module, finally converts the rotation angle into drilling footage information and sends the drilling footage information to the communication module;
and the communication module transmits the drilling footage information to the rotary steering tool, and the rotary steering tool conducts steering drilling according to the drilling footage information.
Compared with the prior art, the rotary steering underground distance measuring device and the method have the following advantages that:
1) the invention can realize the measurement of the underground drilling footage in the rotary steering drilling process, realize the information interaction of the measured footage in the rotary steering tool, realize the closed-loop control of the underground drilling with the rotary steering tool, and overcome the problem of the prior delay of the closed-loop control on the rotary steering well.
2) The invention has compact structure and is convenient to carry, install and disassemble.
Drawings
FIG. 1 is a schematic view of a rotary steerable downhole ranging device of the present invention;
FIG. 2 is a schematic view of a connection structure of a rotary steerable downhole ranging device and a rotary steerable tool according to the present invention;
FIG. 3 is a flow chart of a rotary steerable downhole ranging method of the present invention.
Detailed Description
The invention is further illustrated by the following examples:
example 1
As shown in fig. 1, the present embodiment discloses a rotary steerable downhole ranging apparatus, comprising: the device comprises a shell, a control module, a measurement module, a communication module and a power supply for supplying power to the control module, the measurement module and the communication module; as shown in fig. 2, the housing is connected to a support leg of the rotary steerable tool; the control module, the communication module and the power supply are fixedly connected inside the shell; the measuring module is positioned outside the shell and fixedly connected with the shell; a measurement module comprising: measuring rollers and angular displacement sensors; the angular displacement sensor and the measuring roller are assembled concentrically; the rotation angle of the roller is measured by an angular displacement sensor; the control module is used for carrying out filtering processing and judgment analysis on the rotation angle of the measuring roller, calculating through an algorithm burnt into the control module, finally converting the rotation angle into drilling footage information, and sending the drilling footage information to the communication module; the communication module is used for receiving a control signal sent by the rotary guiding tool and transmitting the control signal to the control module; and the rotary steering tool is used for transmitting the drilling footage information to the rotary steering tool, and the rotary steering tool conducts steering drilling according to the drilling footage information.
Specifically, the device mainly comprises a shell, a control module, a measuring module, a communication module and a power supply. The housing is connected to the support leg of the rotary steerable tool by a screw. The control module, the communication module and the power supply are packaged in the shell, and the measuring module is positioned outside the shell and connected with the shell of the device through screws. The control module is composed of a control circuit board and a control chip, the control chip adopts a DSP, the system response speed is high, the operation is reliable, and meanwhile, the underground high temperature and the impact vibration are resisted. The control module carries out targeted design on the filter circuit and the anti-interference circuit, and can accurately process the measurement data of the angular displacement sensor in the measurement module through self algorithm. The communication module is composed of a signal receiving and transmitting circuit, and a CAN bus communication mode is adopted among the device control module, the measurement module and the communication module. The information interaction between the device and the rotary guiding tool is realized by depending on the communication module, and the communication between the communication module and the rotary guiding tool is realized in a Zigbee wireless mode. The measuring module is composed of a measuring roller and an angle displacement sensor, the angle displacement sensor and the measuring roller are assembled concentrically and connected through screws, the rotating angle of the measuring roller is measured by the angle displacement sensor, the angle displacement sensor adopts a self-designed research and development sensor, the vibration influence in drilling engineering can be effectively controlled, and the accurate discrimination is realized on the stick slip of the measuring roller. The outer measurement machining of measurement gyro wheel becomes fixed number of teeth and profile of tooth shape, and when the contact of gyro wheel outside tooth and the wall of a well, the gyro wheel can effectively form certain frictional force with the wall of a well, guarantees that the measuring result accuracy degree is in the required range. The power supply is powered by a battery.
The control module, the communication module and the power supply are connected with the inside of the shell through screws. The measuring module is connected with the outside of the shell through screws. The control module, the measuring module and the communication module are electrified by a power supply to work and are connected by a lead. The control module, the measuring module and the communication module are connected with each other through leads.
Example 2
As shown in fig. 3, the present embodiment discloses a rotary steerable downhole distance measurement method, including:
101. the device is arranged underground, and the measuring roller is in contact with the well wall;
102. the rotary guiding tool sends a control signal to the communication module, and the communication module feeds the control signal back to the control module; the control module sends the control signal to the measurement module;
103. the measurement module includes: measuring rollers and angular displacement sensors; the control signal controls the measuring roller to rotate, and the angular displacement sensor acquires the rotating angle of the measuring roller and sends the measured rotating angle to the control module;
104. the control module carries out filtering processing and judgment analysis on the rotation angle, calculates the rotation angle through an algorithm burnt into the control module, finally converts the rotation angle into drilling footage information and sends the drilling footage information to the communication module;
105. and the communication module transmits the drilling footage information to the rotary steering tool, and the rotary steering tool conducts steering drilling according to the drilling footage information.
Specifically, when the device works, whether bolt connection of each module is reliable or not is firstly checked, whether battery power is sufficient or not is simultaneously checked, and after the modules work normally, the device and the rotary guide support palm are fixedly connected through screws. When the device starts to work, the rotary guiding tool supports the palm to extend out, the measuring roller fixed on the supporting palm is in contact with the well wall at the moment, the roller teeth bite into the well wall, the rotary guiding tool sends out control signals to the communication module of the device, the communication module feeds back the signals to the control module of the device, the control module sends the measuring signals to the measuring module, the angular displacement sensor in the measuring module starts to measure the rotation angle of the roller, and the measuring angle result is sent to the control module. The control module carries out filtering processing and judgment analysis on the roller rotation angle value measured in the measuring module, the roller rotation angle value is finally converted into a drilling footage through algorithm calculation burnt into the control module, and the drilling footage information is sent to the communication module. The communication module transmits the received drilling footage value to the rotary steering tool in a wireless communication mode. When the rotary guiding tool supports the palm to be retracted, the measuring roller fixed on the supporting palm is separated from the well wall at the moment, the communication module receives a control signal of the rotary guiding tool and transmits the signal to the control module, the control module does not process angle data measured by the measuring module and sends a measurement stopping instruction to the measuring module, and the device is in a low-power consumption standby state.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (6)
1. A rotary steerable downhole ranging device, comprising:
the device comprises a shell, a control module, a measurement module, a communication module and a power supply for supplying power to the control module, the measurement module and the communication module;
the shell is connected with a supporting leg of the rotary guiding tool; the control module, the communication module and the power supply are fixedly connected inside the shell; the measuring module is positioned outside the shell and fixedly connected with the shell;
the measurement module includes: measuring rollers and angular displacement sensors; the angular displacement sensor and the measuring roller are assembled concentrically; the rotation angle of the measuring roller is measured by the angular displacement sensor;
the control module is used for carrying out filtering processing and judgment analysis on the rotation angle of the measuring roller, calculating through an algorithm burnt into the control module, finally converting the rotation angle into drilling footage information, and sending the drilling footage information to the communication module;
the communication module is used for receiving a control signal sent by the rotary guiding tool and transmitting the control signal to the control module; and the rotary steering tool is used for transmitting the drilling footage information to the rotary steering tool, and the rotary steering tool conducts steering drilling according to the drilling footage information.
2. The rotary steerable downhole ranging device of claim 1, wherein the control module comprises: a control circuit board and a control chip; the control chip adopts a DSP chip; and the filter circuit and the anti-interference circuit of the control circuit board are designed in a targeted manner.
3. The rotary steerable downhole ranging device of claim 1, wherein the control module, the measurement module, and the communication module communicate with one another via a CAN bus; the communication module transmits the drilling footage information to the rotary guiding tool in a Zigbee wireless communication mode.
4. The rotary steerable downhole ranging device of claim 1, wherein the angular displacement sensor is an autonomously developed sensor that effectively controls the effects of vibration in drilling operations and accurately resolves stick-slip on the test rollers.
5. The rotary steerable downhole ranging device of claim 1, wherein the outside of the measuring roller is machined to a fixed number of teeth and profile shape; when the tooth part of the measuring roller is contacted with the well wall, certain friction force is formed between the tooth part of the measuring roller and the well wall.
6. A rotary steerable downhole ranging method based on the device of claim 1, comprising:
the device is arranged underground, and the measuring roller is in contact with the well wall;
the rotary guiding tool sends a control signal to a communication module, and the communication module feeds the control signal back to the control module; the control module sends the control signal to a measurement module;
the measurement module includes: measuring rollers and angular displacement sensors; the control signal controls the measuring roller to rotate, the angle displacement sensor collects the rotation angle of the measuring roller and sends the measured rotation angle to the control module;
the control module carries out filtering processing and judgment analysis on the rotation angle, calculates the rotation angle through an algorithm burnt into the control module, finally converts the rotation angle into drilling footage information and sends the drilling footage information to the communication module;
and the communication module transmits the drilling footage information to the rotary steering tool, and the rotary steering tool conducts steering drilling according to the drilling footage information.
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| CN202210256167.9A CN114646282B (en) | 2022-03-16 | 2022-03-16 | Rotary guide underground ranging device and method |
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| CN202210256167.9A CN114646282B (en) | 2022-03-16 | 2022-03-16 | Rotary guide underground ranging device and method |
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| CN114646282A true CN114646282A (en) | 2022-06-21 |
| CN114646282B CN114646282B (en) | 2023-06-27 |
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