Downhole Engineering Parameter Measurement Subsection and Method

Abstract

The present invention belongs to the technical field of oil and gas development, and discloses a downhole engineering parameter measurement sub and a method. The downhole engineering parameter measurement sub includes a sub body, a battery, a signal transceiver device, a first heat dissipation component and a parameter measurement component. A plurality of counterbores extending radially along the sub body are provided on the side wall of the sub body, and gland covers are provided on the counterbores. An installation groove is provided on the sub body, and an end cover is provided to cover the installation groove. The battery is arranged in the installation groove. The signal transceiver device is arranged in the installation groove and is electrically connected to the battery. The first heat dissipation component is arranged on the sub body and is used for dissipating heat from the signal transceiver device. The parameter measurement component includes a plurality of sensors, the sensors are arranged in the counterbores, and the sensors are arranged in one-to-one correspondence with the counterbores. Each sensor is electrically connected to the battery and is communicatively connected to the signal transceiver device.

Description

Technical Field

[0001] The present invention relates to the technical field of oil and gas development, and particularly relates to a downhole engineering parameter measurement sub and method. Background Art

[0002] During the process of drill bit drilling, it is necessary to transmit downhole parameters to surface equipment in real time, and at the same time cooperate with surface drilling parameters to predict complex situations and drilling accidents in real time and accurately, reduce the frequency of accidents, and save drilling time and funds. At present, a downhole engineering parameter measurement sub is generally used to measure downhole parameters. It includes a sub body. A spray hole is axially formed in the sub body. A plurality of counterbores distributed along the circumference are formed on the outer cylindrical surface of the sub body. Sensors are respectively arranged at the bottoms of the counterbores. A gland is fixedly arranged at the top port of each counterbore. The detection rod of the annulus pressure sensor penetrates through the gland and extends outside the sub body; a plurality of strip grooves distributed along the circumference are formed on the outer cylindrical surface of the sub body. Each strip groove corresponds to each counterbore respectively, and an end cover is fixedly arranged at the top port of each strip groove. A wire passing hole is formed between the strip groove and the counterbore. A wireless signal transceiver device and a battery are fixedly arranged at the bottom of each strip groove. The battery is connected to the wireless signal transceiver device. The wireless signal transceiver device is connected to the corresponding sensor through a signal line, and the signal line passes through the wire passing hole. Each sensor of the existing downhole engineering parameter measurement sub needs to be equipped with a wireless signal transceiver device and a battery, which greatly increases the cost of drilling parameter measurement. And after the drilling depth reaches a certain depth, a large amount of heat is generated on the wireless signal transceiver device, and a large amount of heat accumulates on it, which in turn causes the accuracy of the wireless signal transceiver device to transmit data to decrease, that is, accurate data cannot be sent to the surface wireless signal transceiver device, thus greatly reducing the measurement accuracy of downhole parameters. Summary of the Invention

[0003] The purpose of the present invention is to provide a downhole engineering parameter measurement sub and method, which reduce the cost of the downhole engineering parameter measurement sub and avoid heat accumulation on the signal transceiver device.

[0004] To achieve this purpose, the present invention adopts the following technical solutions:

[0005] A downhole engineering parameter measurement sub, comprising:

[0006] A sub body, on the side wall of which there are a plurality of counterbores extending radially along the sub body, and glands are arranged on the counterbores;

[0007] A battery, an installation groove is arranged on the sub body, the installation groove is covered with an end cover, and the battery is arranged in the installation groove;

[0008] A signal transceiver device, which is arranged in the installation groove and is electrically connected to the battery;

[0009] A first heat dissipation component, which is arranged on the short joint body, and the first heat dissipation component is used for dissipating heat from the signal transceiver device;

[0010] A parameter measurement component, which includes a plurality of sensors. The sensors are arranged in the counterbores, and the sensors are arranged in one-to-one correspondence with the counterbores. Each of the sensors is electrically connected to the battery and communicatively connected to the signal transceiver device.

[0011] Preferably, the plurality of counterbores are arranged at intervals along the circumferential direction of the short joint body. Adjacent two counterbores are communicated through a first communication hole. The plurality of counterbores include a first counterbore and a plurality of second counterbores. A second communication hole communicating the installation groove and the first counterbore is arranged on the short joint body. The sensors and the signal transceiver device are communicatively connected through signal lines. The signal line between the sensor in the first counterbore and the signal transceiver device extends from the first counterbore through the second communication hole to the installation groove. The signal lines between the sensors in each of the second counterbores and the signal transceiver device extend from the second counterbores through at least one of the first communication holes and the second communication hole to the installation groove.

[0012] Preferably, the first heat dissipation component includes:

[0013] A bearing seat, which is arranged in the installation groove, and the rotation axis of the bearing seat is coaxially arranged with the second communication hole;

[0014] A rotating shaft, which is rotatably arranged on the bearing seat and extends into the second communication hole. A wire passing hole is arranged on the rotating shaft, and the signal lines all pass through the wire passing hole;

[0015] Fan blades, which are fixedly arranged on the part of the rotating shaft located in the installation groove;

[0016] A driving member, which is arranged on the short joint body, and the driving member can drive the rotating shaft to rotate so as to drive the fan blades to rotate.

[0017] Preferably, a spray hole extending along the axial direction of the short joint body is arranged in the short joint body. The spray hole is coaxially arranged with the short joint body, and the spray hole is used for circulating drilling fluid.

[0018] Preferably, the first heat dissipation component further includes:

[0019] A transmission shaft, which is rotatably arranged on the short joint body. One end of the transmission shaft extends into the installation groove, and the other end is fixedly connected to the driving member;

[0020] The driving bevel gear is arranged at one end of the transmission shaft extending into the installation groove and is fixedly connected to the transmission shaft;

[0021] The driven bevel gear is arranged at one end of the rotating shaft extending into the installation groove and is fixedly connected to the rotating shaft. The driven bevel gear meshes with the driving bevel gear.

[0022] Preferably, the driving member is a water wheel. A blind groove is arranged on the hole wall of the spray hole. The transmission shaft extends into the blind groove. The water wheel is arranged at one end of the transmission shaft extending into the blind groove and is at least partially located in the spray hole. The drilling fluid flowing through the spray hole can drive the water wheel to rotate.

[0023] Preferably, a second heat dissipation component is further included. The second heat dissipation component includes:

[0024] A substrate fixedly arranged on one side of the end cover facing the installation groove;

[0025] A plurality of heat dissipation fins fixedly arranged at intervals on one side of the substrate facing the installation groove.

[0026] Preferably, among the plurality of sensors, a pressure sensor is included. The pressure sensor is arranged in the first counterbore. The parameter measurement component further includes a reciprocating electric cylinder electrically connected to the battery. The reciprocating electric cylinder is arranged at the bottom of the first counterbore. The pressure sensor is arranged on the piston rod of the reciprocating electric cylinder. A detection hole is arranged on the gland on the first counterbore. The reciprocating electric cylinder can drive the pressure sensor to move radially along the short joint body so that the detection rod of the pressure sensor extends out of or retracts into the detection hole. A first sealing ring is arranged on the hole wall of the detection hole, and the first sealing ring seals the gap between the detection rod and the hole wall of the detection hole.

[0027] Preferably, among the plurality of sensors, an axial vibration sensor, a radial vibration sensor, an axial strain sensor, a radial strain sensor, a rotational speed sensor, a bending moment sensor, and a temperature sensor are further included.

[0028] A downhole engineering parameter measurement method uses the downhole engineering parameter measurement short joint described in any one of the above to measure downhole parameters, including:

[0029] Connect the top end of the downhole engineering parameter measurement short joint to the bottom end of the drill pipe, and connect the drill bit to the bottom end of the downhole engineering parameter measurement short joint;

[0030] Lower the drill bit into the well drilling, inject drilling fluid into the inner cavity of the drill pipe, and start the drill floor to drive the drill pipe to perform well drilling operations;

[0031] Each sensor respectively collects various parameters of the short joint body, and sends each of the said parameters to the ground wireless signal transceiver through the signal transceiver device, and the first heat dissipation component dissipates heat from the signal transceiver device.

[0032] Advantages of the present invention:

[0033] For the downhole engineering parameter measurement short joint of the present invention, only one signal transceiver device is provided, and the measurement data of each sensor are all sent out through this signal transceiver device, reducing the number of signal transceiver devices and the number of batteries for powering them, thereby reducing the cost of the downhole engineering parameter measurement short joint. Moreover, by arranging the first heat dissipation component in the installation groove to dissipate heat from the signal transceiver device, heat accumulation on the signal transceiver device is avoided, thereby improving the data transmission accuracy of the signal transceiver device.

[0034] In addition, by arranging a reciprocating electric cylinder in the first counterbore, a large amount of sludge is wrapped around the detection rod of the pressure sensor. Workers on the ground send a start signal to the signal transceiver device through the ground wireless signal transceiver device, the signal transceiver device sends a start signal to the reciprocating electric cylinder through the signal line, the piston rod of the reciprocating electric cylinder drives the lifting plate fixedly arranged at the top of the piston rod to reciprocate, the lifting plate drives the pressure sensor to make a reciprocating radial movement, and further enables the detection rod of the pressure sensor to reciprocate through the first sealing ring. When the detection rod passes through the first sealing ring, the first sealing ring scrapes off the sludge wrapped around the outside of the detection rod, thereby preventing sludge accumulation on the detection rod from reducing the detection accuracy of the pressure sensor. Description of the drawings

[0035] Figure 1 is a schematic structural diagram of the downhole engineering parameter measurement short joint provided by an embodiment of the present invention;

[0036] Figure 2 is Figure 1 the sectional view at A-A in

[0037] Figure 3 is of the present invention Figure 1 the sectional view at B-B in

[0038] Figure 4 is of the present invention Figure 3 the enlarged view at C in

[0039] Figure 5 is a sectional view of a part of the structure of the downhole engineering parameter measurement short joint provided by an embodiment of the present invention;

[0040] Figure 6 is a schematic diagram of a part of the structure of the downhole engineering parameter measurement short joint provided by an embodiment of the present invention.

[0041] In the figure:

[0042] 1. Short section body; 11. gland; 111. first sealing ring; 12. installation groove; 13. end cover; 14. first communication hole; 15. first counterbore; 16. second counterbore; 17. second communication hole; 18. blind groove; 19. external thread;

[0043] 2. Battery;

[0044] 3. Signal transceiver device;

[0045] 4. First heat dissipation component;

[0046] 41. Bearing seat; 42. rotating shaft; 421. wire passing hole; 43. fan blade; 44. driving part; 45. transmission shaft; 46. driving bevel gear; 47. driven bevel gear;

[0047] 5. Parameter measurement component; 51. pressure sensor; 511. detection rod; 52. reciprocating electric cylinder; 521. piston rod; 522. lifting plate; 53. axial vibration sensor; 54. radial vibration sensor; 55. axial strain sensor; 56. radial strain sensor; 57. rotational speed sensor; 58. bending moment sensor; 59. temperature sensor;

[0048] 6. Signal line;

[0049] 7. Second heat dissipation component; 71. substrate; 72. heat sink;

[0050] 10. Spray hole; 20. tapered hole; 30. connection hole. Detailed implementation manner

[0051] The present invention will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present invention, rather than limiting the present invention. Additionally, it should be noted that for the sake of description, only parts related to the present invention are shown in the drawings, rather than all structures.

[0052] In the description of the present invention, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0053] In the present invention, unless otherwise clearly specified and defined, the first feature being "on" or "under" the second feature may include direct contact between the first and second features, or may include the first and second features not being in direct contact but being in contact through additional features therebetween. Moreover, the first feature being "above", "over" and "on top of" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature. The first feature being "under", "beneath" and "underneath" the second feature includes the first feature being directly below and obliquely below the second feature, or merely indicating that the first feature has a lower horizontal height than the second feature.

[0054] In the description of this embodiment, the orientation or positional relationships such as "up", "down", "right", etc. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present invention. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.

[0055] As Figures 1-6 shown, this embodiment provides a downhole engineering parameter measurement sub-section, which includes a sub-section body 1, a battery 2, a signal transceiver 3, a first heat dissipation component 4 and a parameter measurement component 5. A plurality of counterbores extending radially along the sub-section body 1 are provided on the side wall of the sub-section body 1, and gland covers 11 are provided on the counterbores. An installation groove 12 is provided on the sub-section body 1, and an end cover 13 is covered on the installation groove 12, and the battery 2 is arranged in the installation groove 12. The signal transceiver 3 is arranged in the installation groove 12 and is electrically connected to the battery 2. The first heat dissipation component 4 is arranged on the sub-section body 1, and the first heat dissipation component 4 is used for dissipating heat from the signal transceiver 3. The parameter measurement component 5 includes a plurality of sensors, the sensors are arranged in the counterbores, and the sensors are arranged in one-to-one correspondence with the counterbores. Each sensor is electrically connected to the battery 2 and is communicatively connected to the signal transceiver 3.

[0056] For the downhole engineering parameter measurement sub-section of this embodiment, only one signal transceiver 3 is provided, and the measurement data of each sensor is sent out through this signal transceiver 3, reducing the number of signal transceivers 3 and the number of batteries 2 for powering them, thereby reducing the cost of the downhole engineering parameter measurement sub-section. And, by arranging the first heat dissipation component 4 in the installation groove 12 to dissipate heat from the signal transceiver 3, heat accumulation on the signal transceiver 3 is avoided, thereby improving the accuracy of data transmission of the signal transceiver 3.

[0057] Optionally, as Figure 3 shown, both the gland cover 11 and the end cover 13 are installed on the sub-section body 1 by screws.

[0058] Optionally, as Figure 2 shown, a plurality of counterbores are arranged at intervals along the circumferential direction of the nipple body 1, and adjacent two counterbores are communicated through the first communication hole 14. Among the plurality of counterbores, there is a first counterbore 15 and a plurality of second counterbores 16. A second communication hole 17 communicating the mounting groove 12 and the first counterbore 15 is arranged on the nipple body 1. The signal lines 6 between the sensors and the signal transceiver device 3 are all communicatively connected through signal lines 6. The signal line 6 between the sensor in the first counterbore 15 and the signal transceiver device 3 extends from the first counterbore 15 through the second communication hole 17 to the mounting groove 12. The signal lines 6 between the sensors in each of the second counterbores 16 and the signal transceiver device 3 extend from the second counterbores 16 through at least one first communication hole 14 and the second communication hole 17 to the mounting groove 12. By arranging the first communication hole 14 and the second communication hole 17 on the nipple body 1 to lay out the signal line 6, the communication connection between the sensors in each counterbore and the signal transceiver device 3 is realized.

[0059] Optionally, as Figure 3 shown, a spray hole 10 extending along the axial direction of the nipple body 1 is arranged in the nipple body 1. The spray hole 10 is coaxially arranged with the nipple body 1, and the spray hole 10 is used for circulating drilling fluid.

[0060] Optionally, as Figure 3 and Figure 4 shown, the first heat dissipation component 4 includes a bearing seat 41, a rotating shaft 42, a fan blade 43 and a driving member 44. The bearing seat 41 is arranged in the mounting groove 12, and the rotation axis of the bearing seat 41 is coaxially arranged with the second communication hole 17. The rotating shaft 42 is rotatably arranged on the bearing seat 41 and extends into the second communication hole 17. A wire passing hole 421 is arranged on the rotating shaft 42, and the signal lines 6 all pass through the wire passing hole 421. The fan blade 43 is fixedly arranged on the part of the rotating shaft 42 located in the mounting groove 12. The driving member 44 is arranged on the nipple body 1, and the driving member 44 can drive the rotating shaft 42 to rotate so as to drive the fan blade 43 to rotate. By driving the driving member 44 to drive the rotating shaft 42 arranged on the bearing seat 41 to rotate, the fan blade 43 on the rotating shaft 42 is driven to rotate so as to dissipate heat from the signal transceiver device 3. In this embodiment, the battery 2 supplies power to each sensor and the signal transceiver device through a wire. Among them, the wire between the battery 2 and each sensor also passes through the wire passing hole 421 on the rotating shaft 42, and the specific layout method is similar to that of the signal line 6 and will not be elaborated here.

[0061] Furthermore, as Figure 3 and Figure 4As shown, the first heat dissipation component 4 further includes a transmission shaft 45, a driving bevel gear 46, and a driven bevel gear 47. The transmission shaft 45 is rotatably arranged on the short joint body 1. One end of the transmission shaft 45 extends into the installation groove 12, and the other end is fixedly connected to the driving member 44. The driving bevel gear 46 is arranged at one end of the transmission shaft 45 extending into the installation groove 12 and is fixedly connected to the transmission shaft 45. The driven bevel gear 47 is arranged at one end of the rotating shaft 42 extending into the installation groove 12 and is fixedly connected to the rotating shaft 42. The driven bevel gear 47 meshes with the driving bevel gear 46. A transmission hole is provided on the short joint body 1, and the transmission shaft 45 is arranged through the transmission hole. A second sealing ring is arranged on the hole wall of the transmission hole for sealing the gap between the transmission shaft 45 and the hole wall of the transmission hole to prevent the drilling fluid in the spray hole 10 from entering the installation groove 12 through the gap between the transmission shaft 45 and the hole wall of the transmission hole.

[0062] Further, as Figure 3 and Figure 4 shown, the driving member 44 is a water wheel. A blind groove 18 is provided on the hole wall of the spray hole 10. The transmission shaft 45 extends into the blind groove 18. The water wheel is arranged at one end of the transmission shaft 45 extending into the blind groove 18 and is at least partially located in the spray hole 10. The drilling fluid flowing through the spray hole 10 can drive the water wheel to rotate. In this embodiment, the transmission shaft 45 extends along the radial direction of the short joint body 1. Driving the water wheel to rotate by water flow as a power source is an existing technology that has been widely used, and the specific structure and principle of the water wheel will not be elaborated here.

[0063] Optionally, as Figure 3 and Figure 4 shown, the installation groove 12 is a strip-shaped groove extending along the axial direction of the short joint body 1. The battery 2 is arranged on the side of the signal transceiver device 3 away from the fan blade 43, that is to say, the battery 2, the signal transceiver device 3, and the fan blade 43 are arranged at intervals along the axial direction of the short joint body 1.

[0064] Optionally, as Figure 3 、 Figure 4 and Figure 6 shown, the downhole engineering parameter measurement short joint provided in this embodiment further includes a second heat dissipation component 7. The second heat dissipation component 7 includes a substrate 71 and a plurality of heat dissipation fins 72. The substrate 71 is fixedly arranged on the side of the end cover 13 facing the installation groove 12. A plurality of heat dissipation fins 72 are fixedly arranged at intervals on the side of the substrate 71 facing the installation groove 12. In this embodiment, a plurality of heat dissipation fins 72 are arranged at intervals along the axial direction of the short joint body 1, and the heat dissipation fins 72 extend into the installation groove 12. The second heat dissipation component 7 is installed on the substrate 71 in the area corresponding to the signal transceiver device 3 and the battery 2 to improve the heat dissipation effect of the second heat dissipation component 7 on the signal transceiver device 3, and at the same time, it can also play a certain heat dissipation effect on the battery 2.

[0065] Optionally, as Figures 2-4As shown in the figure, among the multiple sensors, there is a pressure sensor 51. The pressure sensor 51 is arranged in the first counterbore 15. The parameter measurement assembly 5 further includes a reciprocating electric cylinder 52 electrically connected to the battery 2. The reciprocating electric cylinder 52 is arranged at the bottom of the first counterbore 15. The pressure sensor 51 is arranged on the piston rod 521 of the reciprocating electric cylinder 52. A detection hole is provided on the gland 11 on the first counterbore 15. The reciprocating electric cylinder 52 can drive the pressure sensor 51 to move radially along the short joint body 1, so that the detection rod 511 of the pressure sensor 51 extends out or retracts into the detection hole. A first sealing ring 111 is arranged on the hole wall of the detection hole. The first sealing ring 111 seals the gap between the detection rod 511 and the hole wall of the detection hole. When the drill pipe is performing drilling operations, the drilling fluid sequentially passes through the inner cavity of the drill pipe and the spray hole 10 of the short joint body 1, and finally reaches the drill bit. The drill bit drills the formation, and the generated return fluid flows towards the ground along the annulus area between the wellbore wall and the outer wall of the short joint body 1. The detection rod 511 of the pressure sensor 51 senses the pressure of the return fluid. The pressure sensor 51 converts the pressure signal into an electrical signal and transmits the electrical signal to the signal transceiver 3 through the signal line 6. The signal transceiver 3 sends the data to the ground wireless signal transceiver by means of electromagnetic waves. Since the detection rod 511 of the pressure sensor 51 is outside the short joint body 1, during the process of the return fluid flowing towards the ground along the annulus area formed by the wellbore wall and the outer wall of the short joint body 1, the mud entrained in the return fluid wraps the detection rod 511, and the detection rod 511 cannot accurately detect the annulus pressure, reducing the detection accuracy of the pressure sensor 51. In this embodiment, when the drilling reaches a certain depth, a large amount of sludge will wrap around the outside of the detection rod 511 of the pressure sensor 51. At this time, the worker on the ground sends a start signal to the signal transceiver 3 through the ground wireless signal transceiver. The signal transceiver 3 sends a start signal to the reciprocating electric cylinder 52 through the signal line 6. The piston rod 521 of the reciprocating electric cylinder 52 drives the lifting plate 522 fixedly arranged at the top of the piston rod 521 to reciprocate. The lifting plate 522 drives the pressure sensor 51 to perform reciprocating radial movement, so that the detection rod 511 of the pressure sensor 51 reciprocates through the first sealing ring 111. When the detection rod 511 passes through the first sealing ring 111, the first sealing ring 111 scrapes off the sludge wrapped around the outside of the detection rod 511, thus preventing the sludge accumulation on the detection rod 511 from reducing the detection accuracy of the pressure sensor 51. In this embodiment, the battery 2 supplies power to the reciprocating electric cylinder 52 through a wire. The wire between the battery 2 and the reciprocating electric cylinder 52 passes through the wire passing hole 421 on the rotating shaft 42. The specific layout method is similar to that of the signal line 6 and will not be elaborated here.

[0066] Optionally, as Figure 2As shown, among the multiple sensors, there are also an axial vibration sensor 53, a radial vibration sensor 54, an axial strain sensor 55, a radial strain sensor 56, a rotational speed sensor 57, a bending moment sensor 58, and a temperature sensor 59. The axial vibration sensor 53 is used to collect the axial vibration data of the sub-section body 1, the radial vibration sensor 54 is used to collect the radial vibration data of the sub-section body 1, the axial strain sensor 55 is used to collect the axial deformation data of the sub-section body 1, the radial strain sensor 56 is used to collect the radial deformation data of the sub-section body 1, the rotational speed sensor 57 is used to collect the rotational speed of the sub-section body 1, the bending moment sensor 58 is used to collect the bending moment of the sub-section body 1, and the temperature sensor 59 is used to collect the temperature of the sub-section body 1. The monitoring data of the axial vibration sensor 53, the radial vibration sensor 54, the axial strain sensor 55, the radial strain sensor 56, the rotational speed sensor 57, the bending moment sensor 58, and the temperature sensor 59 are also sent to the ground wireless signal transceiver through the signal transceiver device 3.

[0067] Optionally, as Figure 3 and Figure 5 shown, a conical hole 20 and a connection hole 30 are provided at the top of the sub-section body 1. The connection hole 30 and the conical hole 20 are coaxially arranged with the spray hole 10, and the conical hole 20 is arranged above the spray hole 10, and the connection hole 30 is arranged above the conical hole 20. Internal threads are provided on the inner wall of the connection hole 30 for connecting the drill pipe, and external threads 19 are provided on the outer wall of the bottom end of the sub-section body 1 for screwing with the drill bit.

[0068] A downhole measurement method for engineering parameters while drilling uses the above-mentioned downhole engineering parameter measurement sub-section to measure downhole parameters, including:

[0069] Connect the top end of the downhole engineering parameter measurement sub-section to the bottom end of the drill pipe, and connect the drill bit to the bottom end of the downhole engineering parameter measurement sub-section. Specifically, connect the drill pipe in the conical hole 20 of the sub-section body 1, and connect the drill bit to the external threads 19 at the bottom end of the sub-section body 1.

[0070] S2. Lower a drill bit into the wellbore and introduce drilling fluid into the inner cavity of the drill pipe. The derrick lowers the drill bit into the well and introduces drilling fluid into the inner cavity of the drill pipe. The drilling fluid sequentially passes through the inner cavity of the drill pipe, the spray holes 10 of the short joint body 1, and finally reaches the drill bit. Start the drill floor to drive the drill pipe for drilling operations. The drill bit rotates and drills the formation. Each sensor respectively collects various parameters of the short joint body 1, and sends the collected data to the ground wireless signal transceiver through the signal transceiver device 3. Specifically, the return fluid generated during the drilling process flows towards the ground along the annular area formed by the wellbore wall and the outer wall of the short joint body 1. The detection rod 511 of the pressure sensor 51 senses the pressure of the return fluid. The pressure sensor 51 converts the annular pressure signal into an electrical signal and transmits the electrical signal to the signal transceiver device 3 through the signal line 6. The signal transceiver device 3 sends the collected annular pressure data to the ground wireless signal receiving device by means of electromagnetic waves. At the same time, the axial vibration sensor 53, the radial vibration sensor 54, the axial strain sensor 55, the radial strain sensor 56, the rotational speed sensor 57, the bending moment sensor 58, and the temperature sensor 59 respectively collect the axial vibration data, radial vibration data, axial deformation data, radial deformation data, rotational speed, bending moment, and temperature signals of the short joint body 1, and respectively transmit them to the signal transceiver device 3 through their respective signal lines 6. The signal transceiver device 3 sends the collected data to the ground wireless signal transceiver by means of electromagnetic waves. At this time, the workers on the ground can monitor the torsional vibration risk of the drill string, analyze the collapse of the wellbore wall, give early warnings of gas invasion and leakage risks, and give early warnings of sticking risks according to the real-time feedback data, and establish a drilling risk knowledge base and a sample of drilling optimization parameters. The first heat dissipation component 4 dissipates heat from the signal transceiver device 3. Specifically, when the drilling fluid flowing through the spray holes 10 reaches the driving member 44, the driving member 44 is driven to rotate by the flowing drilling fluid. The driving member 44 drives the transmission shaft 45 to rotate. The transmission shaft 45 drives the driving bevel gear 46 to rotate. The driving bevel gear 46 drives the driven bevel gear 47 to rotate. The driven bevel gear 47 drives the rotating shaft 42 to rotate. The rotating shaft 42 drives the fan blade 43 to rotate. The fan blade 43 generates wind and blows towards the signal transceiver device 3 to cool the signal transceiver device 3. At the same time, the heat generated on the signal transceiver device 3 is transferred to the heat sink 72. The heat sink 72 then transfers the heat to the substrate 71. The substrate 71 transfers the heat to the end cap 13. The end cap 13 transfers the heat to the annular area, thus realizing the two-way cooling of the signal transceiver device 3;

[0071] S3. When the drilling reaches a certain depth, the worker on the ground sends a start signal to the signal transceiver 3 through the ground wireless signal transceiver device. The signal transceiver 3 sends a start signal to the reciprocating electric cylinder 52 through the signal line 6. The piston rod 521 of the reciprocating electric cylinder 52 drives the lifting plate 522 fixedly arranged at the top of the piston rod 521 to reciprocate. The lifting plate 522 drives the pressure sensor 51 to make a reciprocating radial movement, so that the detection rod 511 of the pressure sensor 51 reciprocates through the first sealing ring 111. When the detection rod 511 passes through the first sealing ring 111, the first sealing ring 111 scrapes off the sludge wrapped around the outside of the detection rod 511.

[0072] Obviously, the above embodiments of the present invention are merely examples for clearly illustrating the present invention, rather than limitations on the implementation manners of the present invention. For those of ordinary skill in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. Downhole engineering parameter measurement sub-section, characterized in that, Comprising: A short joint body (1), on the side wall of which there are provided a plurality of counterbores extending radially along the short joint body (1), and gland covers (11) are provided on each of the counterbores; A battery (2), an installation groove (12) is provided on the short joint body (1), an end cover (13) is covered on the installation groove (12), and the battery (2) is arranged in the installation groove (12); A signal transceiver device (3), which is arranged in the installation groove (12) and is electrically connected to the battery (2); A first heat dissipation component (4), which is arranged on the short joint body (1), and the first heat dissipation component (4) is used for dissipating heat from the signal transceiver device (3); A parameter measurement component (5), which includes a plurality of sensors, the sensors are arranged in the counterbores, and the sensors are arranged in one-to-one correspondence with the counterbores, each of the sensors is electrically connected to the battery (2) and is communicatively connected to the signal transceiver device (3); The plurality of counterbores are arranged at intervals along the circumferential direction of the short joint body (1), and adjacent two counterbores are communicated through a first communication hole (14). The plurality of counterbores include a first counterbore (15) and a plurality of second counterbores (16). A second communication hole (17) communicating the installation groove (12) and the first counterbore (15) is provided on the short joint body (1). The sensors and the signal transceiver device (3) are communicatively connected through signal lines (6). The signal line (6) between the sensor in the first counterbore (15) and the signal transceiver device (3) extends from the first counterbore (15) through the second communication hole (17) to the installation groove (12). The signal lines (6) between the sensors in each of the second counterbores (16) and the signal transceiver device (3) extend from the second counterbores (16) through at least one of the first communication holes (14) and the second communication hole (17) to the installation groove (12); The first heat dissipation component (4) includes: A bearing seat (41), which is arranged in the installation groove (12), and the rotation axis of the bearing seat (41) is coaxially arranged with the second communication hole (17); A rotating shaft (42), which is rotatably arranged on the bearing seat (41) and extends into the second communication hole (17). A wire passing hole (421) is provided on the rotating shaft (42), and the signal lines (6) all pass through the wire passing hole (421); A fan blade (43), which is fixedly arranged on the part of the rotating shaft (42) located in the installation groove (12); A driving member (44), which is arranged on the short joint body (1), and the driving member (44) can drive the rotating shaft (42) to rotate so as to drive the fan blade (43) to rotate.

2. The downhole engineering parameter measurement sub-section according to claim 1, characterized in that, A spray hole (10) extending along the axial direction of the short joint body (1) is arranged in the short joint body (1), the spray hole (10) is coaxially arranged with the short joint body (1), and the spray hole (10) is used for circulating drilling fluid.

3. The downhole engineering parameter measurement sub-section according to claim 2, characterized in that, The first heat dissipation component (4) further includes: A transmission shaft (45) is rotatably arranged on the short joint body (1). One end of the transmission shaft (45) extends into the installation groove (12), and the other end is fixedly connected to the driving part (44). A driving bevel gear (46) is arranged at one end of the transmission shaft (45) extending into the installation groove (12) and is fixedly connected to the transmission shaft (45). A driven bevel gear (47) is arranged at one end of the rotating shaft (42) extending into the installation groove (12) and is fixedly connected to the rotating shaft (42). The driven bevel gear (47) meshes with the driving bevel gear (46).

4. The downhole engineering parameter measurement sub-section according to claim 3, characterized in that, The driving part (44) is a water wheel. A blind groove (18) is arranged on the hole wall of the spray hole (10). The transmission shaft (45) extends into the blind groove (18). The water wheel is arranged at one end of the transmission shaft (45) extending into the blind groove (18) and is at least partially located in the spray hole (10). The drilling fluid flowing through the spray hole (10) can drive the water wheel to rotate.

5. The downhole engineering parameter measurement nipple according to claim 1, characterized in that, It further includes a second heat dissipation assembly (7). The second heat dissipation assembly (7) includes: A substrate (71) is fixedly arranged on one side of the end cover (13) facing the installation groove (12). A plurality of heat dissipation fins (72) are fixedly arranged at intervals on one side of the substrate (71) facing the installation groove (12).

6. The downhole engineering parameter measurement sub - section according to claim 1, characterized in that, Among the plurality of sensors, there is a pressure sensor (51). The pressure sensor (51) is arranged in the first counterbore (15). The parameter measurement assembly (5) further includes a reciprocating electric cylinder (52) electrically connected to the battery (2). The reciprocating electric cylinder (52) is arranged at the bottom of the first counterbore (15). The pressure sensor (51) is arranged on the piston rod (521) of the reciprocating electric cylinder (52). A detection hole is arranged on the gland (11) of the first counterbore (15). The reciprocating electric cylinder (52) can drive the pressure sensor (51) to move radially along the short joint body (1) so that the detection rod (511) of the pressure sensor (51) extends out of or retracts into the detection hole. A first sealing ring (111) is arranged on the hole wall of the detection hole. The first sealing ring (111) seals the gap between the detection rod (511) and the hole wall of the detection hole.

7. The downhole engineering parameter measurement sub-joint according to claim 6, characterized in that, Among the plurality of sensors, there are also an axial vibration sensor (53), a radial vibration sensor (54), an axial strain sensor (55), a radial strain sensor (56), a rotational speed sensor (57), a bending moment sensor (58), and a temperature sensor (59).

8. A method for measuring downhole engineering parameters, characterized in that, Using the downhole engineering parameter measurement sub-joint according to any one of claims 1-7 for downhole parameter measurement, includes: Connecting the top end of the downhole engineering parameter measurement sub-joint to the bottom end of the drill pipe, and connecting the drill bit to the bottom end of the downhole engineering parameter measurement sub-joint. Lowering the drill bit into the well drilling, injecting drilling fluid into the inner cavity of the drill pipe, and starting the drill floor to drive the drill pipe for well drilling operations. Each sensor separately collects various parameters of the nipple body (1), and sends the collected data to the ground wireless signal transceiver through the signal transceiver device (3). The first heat dissipation component (4) dissipates heat from the signal transceiver device (3).

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