CN211174080U - High-temperature underground vibration measuring device - Google Patents
High-temperature underground vibration measuring device Download PDFInfo
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- CN211174080U CN211174080U CN201921705342.8U CN201921705342U CN211174080U CN 211174080 U CN211174080 U CN 211174080U CN 201921705342 U CN201921705342 U CN 201921705342U CN 211174080 U CN211174080 U CN 211174080U
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Abstract
The utility model discloses a high-temperature underground vibration measuring device, which comprises a vibration acquisition module and an electronic packaging box, wherein the vibration acquisition module consists of an accelerometer, the vibration acquisition module comprises a cube-shaped accelerometer fixing frame and an accelerometer circuit board fixed on the fixing frame, the accelerometer fixing frame is rigidly connected and fixed with an underground instrument body, and the accelerometer circuit board is connected with the electronic packaging box through a signal line; a plurality of circuit boards are packaged in the electronic packaging box, the circuit boards are vertically overlapped and fixed at intervals through the supporting columns and packaged in a shell, insulating glue is filled in the inner cavity of the shell to wrap the whole circuit structure, and the electronic packaging box is rigidly fixed with the underground instrument body. The drilling string vibration drill data acquisition and storage device is simple in structure, convenient to manufacture and install, capable of achieving acquisition, storage and data transmission of drilling string vibration drill data in a high-temperature and high-pressure environment, simple and convenient to operate in site construction, low in instrument manufacturing and maintenance cost and high in reliability.
Description
Technical Field
The utility model belongs to oil and gas well drilling exploration and development field, concretely relates to be used for high temperature vibration measurement's in pit device.
Background
With the development of drilling and logging technologies, the vibration of the drill string is attracting more and more attention and attention of drilling and logging workers. Drill string vibration refers to the interaction of the drill bit with the formation during drilling that imparts axial, lateral, and torsional vibrations to the drill string. On the ground, it generally appears that: jump, drill string deflection, and tool stick-slip.
In the prior underground measurement instrument while drilling, a device capable of directly measuring vibration does not exist, and the vibration of the drill string is indirectly reflected through other underground mechanical parameters such as torque, pressure and the like, so that the vibration condition of the drill string is often unreliable when the vibration condition is reflected in the mode. In recent years, logging while drilling and logging while drilling technologies are continuously developed, novel sensors are continuously emerged, and underground measurement technologies are continuously updated. The updating of the measuring technology and the instruments can better acquire the vibration data of the underground drilling tool, can identify the working condition of the drilling tool and predict possible mechanical faults, and improves the reliability and the durability of the vibration measuring instrument. The vibration of the drill string contains a wealth of information that reflects the operating conditions of the drill string. The research on the vibration data of the drill stem not only can effectively prevent the drill stem from accidents caused by abnormal vibration, but also can improve the working efficiency of drilling. The importance of the drill string vibration problem puts a new demand on the development of a vibration-while-drilling measuring instrument in the measurement-while-drilling technology, namely the vibration-while-drilling measuring instrument is required to have the function of directly measuring the vibration parameters of the drill string, namely a vibration measuring system device module is required to be embedded in the underground parameter-while-drilling measuring instrument.
In recent years, an increasing number of high temperature High Pressure (HPHT) oilfield blocks worldwide have been explored. The reservoirs in these fields tend to have very high temperature pressure gradients (temperature pressure increases rapidly with increasing vertical depth). Most of vibration sensors and acquisition systems on the market at present are only suitable for conventional wells with the underground environment temperature within 85 ℃.
For the problem of drill string vibration under high-temperature and high-pressure environment, a practical and effective vibration measuring device is also lacked.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is, to the high temperature vibration operational environment that the drilling tool is located in the pit, provide a high temperature vibration measuring device in the pit, simple structure makes things convenient for preparation and installation, can realize collection, storage and the data transmission of drill string vibration drilling data under the high temperature high pressure environment, site operation is easy and simple to handle, instrument manufacturing maintenance cost is low, the reliability is high.
The utility model discloses a solve the technical scheme that above-mentioned technical problem adopted and be:
a high temperature is vibration measuring device in pit which characterized in that: the vibration collection module comprises a cube-shaped accelerometer fixing frame and an accelerometer circuit board fixed on the fixing frame, the accelerometer fixing frame is rigidly connected and fixed with the underground instrument body, and the accelerometer circuit board is connected with the electronic packaging box through a signal line; a plurality of circuit boards are packaged in the electronic packaging box, the circuit boards are vertically overlapped and fixed at intervals through the supporting columns and packaged in a shell, insulating glue is filled in the inner cavity of the shell to wrap the whole circuit structure, and the electronic packaging box is rigidly fixed with the underground instrument body.
Furthermore, the vibration acquisition module, and the circuit board and the components in the electronic packaging box can bear the high temperature of 150 ℃.
Furthermore, the accelerometer fixing frame consists of a cubic bracket body and an external fixing cover plate; the cubic bracket body is provided with a fixed mounting hole for fixing the bracket on the underground instrument body; the accelerometer circuit board is fixed on the cubic bracket body by the external fixing cover plate, and the external cover plate is fixedly connected with the cubic bracket body through the stud.
Further, an accelerometer circuit board is fixed on one surface of the cubic support body, and the accelerometer is a triaxial accelerometer chip; or an accelerometer circuit board welded with a single-axis accelerometer is respectively arranged on three surfaces of the cubic bracket body corresponding to the measuring direction of the X, Y, Z axis.
Furthermore, at least one electronic cabin is arranged inwards along the radial direction of the outer wall of the underground instrument body, the electronic cabin is provided with a plane fixing surface which is parallel to or along the axial direction of the drill body, and the accelerometer fixing frame and the electronic packaging box are fixed on the plane fixing surface.
Furthermore, the center of the top surface of the cubic bracket body is provided with the fixed mounting hole which is a step-shaped hole and is vertical to the plane fixed surface of the underground instrument body.
Furthermore, the accelerometer fixing frame and the electronic packaging box are installed in the same electronic cabin or different electronic cabins.
Furthermore, a plurality of circuit boards including a main control module, a communication module, a storage module and a power management module are packaged in the electronic packaging box, namely the main control module, the communication module, the storage module and the power management module are respectively integrated on respective PCB circuit boards, the circuit boards are overlapped at intervals up and down and are integrated together through a signal line and a power line to form an electronic integrated system, a space between the power management module and the storage module is used for installing a built-in high-temperature-resistant battery, the electronic integrated system is integrally fixed on an aluminum alloy bottom plate, and an aluminum alloy cubic shell covers the whole electronic integrated system and is connected with the bottom plate in a sealing way; the top of the shell is provided with a filling hole and an overflow hole so as to facilitate glue filling operation, the side surface of the shell is provided with a USB interface for data transmission, and the side surface of the shell opposite to the USB interface is also provided with a multi-core interface for system parameter configuration and an external power supply.
Furthermore, the main control module consists of a single chip microcomputer and a peripheral circuit of a single chip microcomputer system and mainly controls the whole device; the communication module consists of an RS232 interface chip, a USB interface chip and a communication module peripheral circuit; the storage module consists of a NAND Flash storage chip and a storage module peripheral circuit; the power management module is composed of a power management chip outputting different voltage values and a power management chip peripheral circuit.
Through the technical scheme, the utility model discloses a measurement of vibration value that drilling tool bore under high temperature environment in pit, the metal support that will install the accelerometer passes through the double-screw bolt to be fixed in drilling tool or the instrument in the pit that needs measurement vibration, opens an electron cabin on drilling tool or instrument, and the metal support is fixed within the electron cabin, and the signal passing signal line that comes out by the accelerometer is connected to the good electronic module of encapsulation in, and vibration signal passes through signal processing back storage is in storage module's NANDFlash granule, the rethread USB interface reads data.
The metal support provided with the accelerometer and the packaged electronic module can be arranged in the same electronic cabin of a downhole drilling tool or an instrument or different electronic cabins, and then the two systems are connected through a signal wire which provides signal transmission and power supply of the accelerometer.
Compare current vibration measurement system in pit, the utility model discloses following beneficial effect has:
the utility model discloses simple structure, the electron box of encapsulation sets up with accelerometer support components of a whole that can function independently, low in production cost and site operation installation and test all compare convenient and fast.
The accelerometer support adopts two kinds of designs, can be applicable to the data acquisition requirement of different occasions and demand.
The accelerometer bracket and the packaging electronic box adopt heat dissipation and stable operation, and components capable of resisting high temperature of 150 ℃ are selected; the steadiness and life-span are better.
And simultaneously, adopt the utility model discloses site operation installation is easy and simple to handle, the reliability is high, the instrument manufacturing maintenance cost is low, is particularly useful for the instrument vibration parameter measurement in the pit under high temperature, the big vibration environment.
Drawings
FIG. 1 is a perspective view of the present invention illustrating a high temperature downhole vibration measurement device;
fig. 2 is a schematic structural view of an electronic module enclosure included in the present invention.
Fig. 3 is a schematic structural view of an accelerometer fixing frame included in the present invention;
FIG. 4 is a schematic view of the installation of the present invention on a downhole drilling tool body;
fig. 5 is a schematic structural diagram of an embodiment of the present invention using a single triaxial accelerometer;
fig. 6 is a schematic structural diagram of an embodiment of the present invention using three single-axis accelerometers.
Fig. 7 is a circuit layout diagram of an embodiment of the present invention employing a single triaxial accelerometer;
fig. 8 is a circuit diagram of an embodiment of the present invention using three single-axis accelerometers.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
A high temperature downhole vibration measuring device as shown in fig. 1, comprising an accelerometer holder 110 (not shown with a cover plate 9) and an electronic module enclosure 22 interconnected by a power line and a data line 32.
Fig. 2 (a) shows the packaging structure of the electronic module packaging box 22 of the present invention, the main control module, the communication module circuit board, the storage module and the power management module are packaged in a cubic housing, and the internal cavity is filled with an insulating glue, so that the whole circuit structure is wrapped by the glue. The communication module circuit board 3, the main control module circuit board 4, the storage module circuit board 5 and the power management module circuit board 6 are stacked from bottom to top, are rigidly and fixedly connected through a stud 7 and are encapsulated in the shell 2; the communication module circuit board 3 consists of a 232 interface chip, a USB interface chip and a peripheral circuit thereof, is arranged at the lowest layer and is connected with the aluminum alloy bottom plate 1 at the bottom of the shell 2; the main control module circuit board 4 is integrated on a PCB board, and is composed of an MCU singlechip system, a singlechip peripheral circuit, a filter circuit, an operational amplifier circuit and an analog-to-digital conversion circuit, mainly used for controlling the whole device and processing data, and is arranged on a second layer from bottom to top; the storage module circuit board 5 consists of an NAND Flash storage chip and a peripheral circuit and is arranged on the third layer; the power management module circuit board 6 is composed of power management chips outputting different voltage values and peripheral circuits thereof and is arranged on the topmost layer; the space between the power management module circuit board 6 and the storage module circuit board 5 is used for installing a built-in high temperature resistant battery, the shell 2 is hermetically connected with the bottom plate 1, as shown in a front side perspective view of fig. 2 (b), a USB interface 81 is arranged at the position, corresponding to the communication module circuit board 3, on the front side of the shell 2 for data transmission with the outside, as shown in a rear side perspective view of fig. 2 (c), and a multi-core interface 82 is arranged on the rear side of the shell 2 for system configuration and external power supply. Insulating silica gel is filled in the shell 2, so that the functions of buffering, fixing and heat dissipation are achieved.
Fig. 1 and 3 are the structural schematic diagram of the accelerometer fixing frame 110 of the present invention, the accelerometer adopts a high temperature acceleration measuring chip, and the accelerometer can bear 150 ℃ high temperature, and is welded on the circuit board, and then the circuit board is fixed on the accelerometer fixing frame 10. The main body of the accelerometer holder 10 is a rectangular (preferably square) hexahedral metal support 11.
The three surfaces of the bracket 11 corresponding to the X, Y, Z axis measuring direction are respectively provided with a PCB circuit board welded with the single-axis accelerometer, namely the three single-axis accelerometers are fixed on the three different surfaces of the metal bracket; or a PCB circuit board with a triaxial accelerometer welded on one surface is arranged on the other surface; the PCB is preferably fixed on the above-mentioned surfaces of the metal bracket 11 through the mounting groove 111, as shown in the side view of fig. 3 (a), and then the PCB is fixedly packaged on the hexahedral metal bracket 11 from the outside through the cover plate 9, and the cover plate 9 and the metal bracket 11 are fastened and connected through the stud 10, as shown in the top view of fig. 3 (b); a mounting hole 12 is arranged in the center of the top surface of the metal support 11, and the metal support 11 and the downhole drilling tool instrument body 40 can be fixed by arranging a stud in the mounting hole 12; meanwhile, referring to another side sectional view of fig. 3 (c), the metal bracket 11 is provided with a positioning pin 13, and the positioning pin 13 is arranged in a direction parallel to the mounting hole and is respectively arranged at two sides of the mounting hole, so that the positioning function is mainly performed, and the X, Y, Z axis measuring direction of the accelerometer is kept fixed.
Fig. 4 is a schematic view of the installation of the high-temperature downhole vibration measuring device of the present invention on the downhole drilling tool or instrument 40, at least one electronic cabin is opened on the drilling body of the downhole drilling tool or instrument 40, the electronic cabin is preferably located on the outer wall of the cylindrical drilling body and has a plane fixing surface along the axial direction of the drilling body, and the accelerometer fixing frame 110 and the electronic module packaging box 22 are both fixed on the plane fixing surface.
The accelerometer holder 110 and electronics module enclosure 22 may be mounted in the same electronics bay of the downhole drilling tool or instrument 40 or in different electronics bays, and the two systems are then connected by signal lines 32, the signal lines 32 providing signal transmission and power supply to the accelerometer.
The accelerometer fixing frame 110 is fixed in the electronic cabin, signals from the accelerometer are transmitted into the electronic module packaging box 22 through signal lines, vibration signals are stored into a NAND Flash storage unit of the storage module circuit board after signal processing, and data are read out through a USB interface. The high-temperature underground vibration measuring device and the upper computer can be communicated and data transmitted through a USB interface or an RS232 interface.
Fig. 5 is a schematic structural diagram of an embodiment of the present invention using a single triaxial accelerometer. A PCB board with three axes of accelerometer is fixed to the accelerometer holder 110, and the accelerometer holder 110 is connected to the downhole tool body 40, so that vibration data of the tool X, Y, Z in three axes can be measured simultaneously. Fig. 5 is a hardware circuit block diagram of the embodiment.
The triaxial accelerometer 1101 is connected with the MCU singlechip system 221 in the electronic module packaging box 22 through an SPI bus, and an I/O bus of the MCU singlechip system 221 is connected with the NAND Flash memory chip 222; an internal RTC clock system 223 is also arranged in the peripheral circuit of the MCU singlechip system 221 through SPI bus connection to synchronously transmit clock calendar information to the MCU singlechip system 221, a power management module of a power management module circuit board 6 or a power management system 224 provides 5V and 3.3V voltage output, and provides power supply for electronic components of the whole device including a communication module 226 and a USB interface 227; the electronic module enclosure 22 contains a rechargeable battery 225 for supplying power to the RTC clock system, and a scheme of drawing a power line to supply power to an external battery can be adopted, so that the internal time is not reset due to power failure.
The vibration parameters measured by the triaxial accelerometer 1101 are transmitted to the MCU singlechip system 221 through the SPI bus; the RTC clock system 223 synchronously transmits clock calendar information to the MCU singlechip system 221 through the SPI bus, synchronously integrates time information and vibration information, and the MCU singlechip system 221 transmits vibration data with time information to the NAND Flash storage unit through the parallel interface communication I/O bus for storage; the power management system 224 provides 5V and 3.3V voltage outputs to provide power supply for the electronic components of the overall system.
Fig. 6 is a schematic structural diagram of an embodiment of the present invention using three single-axis accelerometers.
Three single axis accelerometers 1102 are affixed to different three faces of the accelerometer holder 110, and by attaching the accelerometer holder 110 to the downhole tool body 40, vibration data can be measured in three axes of the tool X, Y, Z.
The three single-axis accelerometers 1102 are respectively connected with the MCU singlechip system 221 in the electronic module packaging box 22 through respective signal lines, the transmitted signals are analog quantity signals, and the analog quantity signals entering the electronic module are subjected to signal processing and analog-to-digital conversion and then transmit the acquired vibration data to the MCU singlechip system 221; the rest is the same as the embodiment of fig. 5, for example, the I/O bus of the MCU monolithic computer system 221 is connected to the NAND Flash memory chip 222; an internal RTC clock system 223 is further arranged in a peripheral circuit of the MCU singlechip system 221 for synchronously transmitting clock calendar information to the MCU singlechip system 221, a power management module of a power management module circuit board 6 or a power management system 224 provides 5V and 3.3V voltage output, and power supply is provided for electronic components of the whole device including a communication module 226 and a USB interface 227; the electronic module enclosure 22 contains a rechargeable battery 225 for supplying power to the RTC clock system, and a scheme of drawing a power line to supply power to an external battery can be adopted, so that the internal time is not reset due to power failure.
The utility model discloses high temperature is vibration measuring device in pit can communicate and data transmission through USB interface or RS232 interface under two kinds of circumstances and between the host computer.
The MCU singlechip system 221 selects an ST/Italian singlechip chip STM 32L 496ZGT 3.
FIG. 7 is a circuit diagram of an embodiment of the present invention using a single three-axis accelerometer, in which pins 6, 17, 32, 33, 39, 52, 62, 72, 84, 95, 106, 108, 121, 131, 144 of a single chip computer chip STM 32L ZGT3 are grounded, pins 6, 17, 30, 31, 38, 51, 61, 71, 83, 94, 107, 120, 130, 143 of the single chip computer chip are grounded, the grounded pins and the pins connected to 3.3V supply power to the single chip computer chip, pins 8, 9 are connected to a clock crystal oscillator chip to enable the single chip computer to time, pins 23 are connected to an external high frequency crystal oscillator chip to provide a reference clock for the single chip computer, pins 25, 105, 109 are connected to a debugging interface for debugging and programming, pins 34, 35 are connected to a serial interface for serial communication, pins 40, 41, 42, 43 are connected to a three-axis acceleration sensor with a serial interface for measuring and reading three-axis acceleration values, pins 58, 59, 60, 80, 81, 85, 86, 114, 115, 117, 123, 122, 125, 124, 104, and 104, and 100, 104, and.
Fig. 8 is the utility model discloses a three single-axis accelerometer's embodiment circuit design picture, with the different of first embodiment circuit design do not use 41, 42, 43 pins, but be connected to the triaxial acceleration value of three single-axis acceleration sensor measurement Z, Y, X respectively with 44, 45, 46 pins, the acceleration measured value is converted into the digital quantity through the built-in analog-to-digital converter of singlechip and is obtained. The other pins are the same as in fig. 7.
The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A high temperature is vibration measuring device in pit which characterized in that: the vibration collection module comprises a cube-shaped accelerometer fixing frame and an accelerometer circuit board fixed on the fixing frame, the accelerometer fixing frame is rigidly connected and fixed with the underground instrument body, and the accelerometer circuit board is connected with the electronic packaging box through a signal line; a plurality of circuit boards are packaged in the electronic packaging box, the circuit boards are vertically overlapped and fixed at intervals through the supporting columns and packaged in a shell, insulating glue is filled in the inner cavity of the shell to wrap the whole circuit structure, and the electronic packaging box is rigidly fixed with the underground instrument body.
2. A high temperature downhole vibration measuring device as defined in claim 1, wherein: the vibration acquisition module, and the circuit board and the components in the electronic packaging box can bear the high temperature of 150 ℃.
3. A high temperature downhole vibration measuring device as defined in claim 1, wherein: the accelerometer fixing frame consists of a cubic bracket body and an external fixing cover plate; the cubic bracket body is provided with a fixed mounting hole for fixing the bracket on the underground instrument body; the accelerometer circuit board is fixed on the cubic bracket body by the external fixing cover plate, and the external cover plate is fixedly connected with the cubic bracket body through the stud.
4. A high temperature downhole vibration measuring device as defined in claim 3, wherein: an accelerometer circuit board is fixed on one surface of the cubic bracket body, and the accelerometer is a triaxial accelerometer chip; or an accelerometer circuit board welded with a single-axis accelerometer is respectively arranged on three surfaces of the cubic bracket body corresponding to the measuring direction of the X, Y, Z axis.
5. A high temperature downhole vibration measuring device as defined in claim 3, wherein: at least one electronic cabin is arranged inwards along the radial direction of the outer wall of the underground instrument body, the electronic cabin is provided with a plane fixing surface which is parallel to the axial direction of the drill body or the axial direction, and the accelerometer fixing frame and the electronic packaging box are fixed on the plane fixing surface.
6. A high temperature downhole vibration measuring device as defined in claim 3, wherein: the fixed mounting hole is arranged in the center of the top surface of the cubic support body, is a step-shaped hole and is perpendicular to the plane fixing surface of the underground instrument body.
7. A high temperature downhole vibration measuring device as defined in claim 5, wherein: the accelerometer fixing frame and the electronic packaging box are arranged in the same electronic cabin or different electronic cabins.
8. A high temperature downhole vibration measuring device as defined in claim 1, wherein: the electronic packaging box is internally packaged with a plurality of circuit boards including a main control module, a communication module, a storage module and a power management module, wherein the main control module, the communication module, the storage module and the power management module are respectively integrated on respective PCB circuit boards; the top of the shell is provided with a filling hole and an overflow hole so as to facilitate glue filling operation, the side surface of the shell is provided with a USB interface for data transmission, and the side surface of the shell opposite to the USB interface is also provided with a multi-core interface for system parameter configuration and an external power supply.
9. A high temperature downhole vibration measuring device as defined in claim 8, wherein: the main control module consists of a single chip microcomputer and a peripheral circuit of a single chip microcomputer system and mainly completes control of the whole device; the communication module consists of an RS232 interface chip, a USB interface chip and a communication module peripheral circuit; the storage module consists of a NAND Flash storage chip and a storage module peripheral circuit; the power management module is composed of a power management chip outputting different voltage values and a power management chip peripheral circuit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921705342.8U CN211174080U (en) | 2019-10-12 | 2019-10-12 | High-temperature underground vibration measuring device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201921705342.8U CN211174080U (en) | 2019-10-12 | 2019-10-12 | High-temperature underground vibration measuring device |
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| CN211174080U true CN211174080U (en) | 2020-08-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115127611A (en) * | 2022-06-20 | 2022-09-30 | 中国石油天然气集团有限公司 | Multi-physical field measurer for shaft |
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2019
- 2019-10-12 CN CN201921705342.8U patent/CN211174080U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115127611A (en) * | 2022-06-20 | 2022-09-30 | 中国石油天然气集团有限公司 | Multi-physical field measurer for shaft |
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