CN114293978A - Drill bit with data monitoring function - Google Patents
Drill bit with data monitoring function Download PDFInfo
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- CN114293978A CN114293978A CN202111629640.5A CN202111629640A CN114293978A CN 114293978 A CN114293978 A CN 114293978A CN 202111629640 A CN202111629640 A CN 202111629640A CN 114293978 A CN114293978 A CN 114293978A
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- drill bit
- mounting groove
- monitoring function
- data monitoring
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Abstract
The invention provides a drill bit with a data monitoring function, and relates to underground measuring tool equipment in the petroleum drilling process. The drill bit with the data monitoring function can effectively measure the engineering parameters close to the drill bit.
Description
Technical Field
The invention relates to underground measuring tool equipment in the petroleum drilling process, in particular to a drill bit with a data monitoring function.
Background
Petroleum is an important energy source, and with the continuous deepening of petroleum exploration, the stratum structure is more and more complex. In the drilling process, the application of underground drilling engineering parameters has important engineering value for underground fault diagnosis, formation analysis, safety prediction and evaluation and basic research of drilling technology. Therefore, in order to effectively prevent underground engineering accidents and improve the drilling efficiency and economic benefit, the requirement on measurement while drilling instruments is higher and higher in the drilling process.
The daily drilling dynamic measurement depends on a measurement-while-drilling tool to acquire data, the measurement data only provides data of the measurement-while-drilling tool at the position of a bottom hole assembly and cannot provide data of a drill bit for bottom hole operation, and the measurement position is away from the drill bit by a certain distance, so that a vibration signal at the position of the drill bit can be seriously attenuated, and the recorded data is lost or invalid.
With the increase of the well depth, the incidence rate of drilling accidents and complex conditions is higher and higher, drilling accidents such as drill sticking, tooth falling and the like can occur to different degrees, and the occurrence of the accidents is closely related to engineering parameters close to a drill bit. Meanwhile, with the development of downhole measurement tools, people are aware that near-bit engineering parameters contain a large amount of information which reflects the working state of the downhole bit most effectively.
The design of the near-bit measurement tool therefore has a better effect on a clearer understanding of downhole dynamics. In particular, the closer the measuring point is to the drill, the better, and in order to obtain an accurate drill motion state, the closer the measuring tool is to the drill. However, most of domestic measuring tools mainly increase drill collars, the measuring tools are arranged on the drill collars and are far away from a drill bit, and meanwhile, due to the limitation of dog-leg degree during drilling, the length of a short section of a near drill bit, which is arranged above the drill bit and is positioned below a drill rod, cannot be overlong generally. This will greatly limit the structural design of the near bit measurement nipple, resulting in the measured information not being able to effectively reflect the working state and performance of the bit during the drilling process
Therefore, the inventor provides the drill bit with the data monitoring function by virtue of experience and practice of related industries for many years so as to overcome the defects in the prior art.
Disclosure of Invention
The invention aims to provide a drill bit with a data monitoring function, which can effectively measure engineering parameters close to the drill bit.
In order to achieve the purpose, the invention provides a drill bit with a data monitoring function, wherein the drill bit comprises a drill bit body and a drill bit short section, the drill bit body is fixedly connected to one end of the drill bit short section, an installation groove is formed in the outer wall of the drill bit short section, and a measuring device is arranged in the installation groove.
As above drill bit with data monitoring function, wherein, measuring device includes circuit board and pressure sensor, seted up at least two on the outer wall of drill bit nipple joint the mounting groove, two the mounting groove is first mounting groove second mounting groove respectively, the circuit board with the pressure sensor electricity is connected and is located respectively first mounting groove with in the second mounting groove, the notch department lid of first mounting groove is equipped with and is used for sealing the first apron of first mounting groove, first apron with drill bit nipple joint can be connected with dismantling.
The drill bit with the data monitoring function is characterized in that the pressure sensor is a temperature and pressure integrated sensor.
The drill bit with the data monitoring function is characterized in that the drill bit short section is provided with a flow guide cavity which is axially communicated, the bottom surface of the second mounting groove is provided with a flow guide hole communicated with the flow guide cavity, and the pressure sensor can measure the pressure in the flow guide cavity and the pressure outside the drill bit short section simultaneously.
The drill bit with the data monitoring function comprises a first check ring, a sensor gland, a second check ring, a sensor pressing block, an external pressure sensor, a wire harness fixing ring and an internal pressure sensor, wherein the first check ring, the sensor gland, the second check ring, the sensor pressing block, the external pressure sensor, the wire harness fixing ring and the internal pressure sensor are sequentially arranged along the radial direction of the drill bit short section from outside to inside.
The drill bit with data monitoring function as described above, wherein the circuit board comprises a microprocessor, a temperature sensor, a vibration sensor, a rotation speed sensor and a memory.
The drill bit with the data monitoring function is characterized in that a circuit board box is sleeved outside the circuit board.
The drill bit with the data monitoring function further comprises at least one battery, two third mounting grooves for mounting the battery are further formed in the outer wall of the drill bit short section, each battery is correspondingly arranged in the third mounting groove and electrically connected with the circuit board and the pressure sensor, a third cover plate for sealing the third mounting groove is arranged at the notch of each third mounting groove in a covering mode, and each third cover plate is detachably connected with the drill bit short section.
The drill bit with the data monitoring function is characterized in that the battery case is provided with a battery box.
The drill bit with data monitoring function as described above, wherein,
the measuring device further comprises at least three strain gauge groups, wherein the strain gauge groups are respectively arranged in the first mounting groove and the two third mounting grooves and are electrically connected with the circuit board.
Compared with the prior art, the invention has the following characteristics and advantages:
according to the drill bit with the data monitoring function, the measuring device is arranged in the side wall of the drill bit short section, the drill bit short section is fixedly welded on the drill bit body, the distance from a measuring tool to the drill bit is effectively reduced, the measuring device is enabled to be closer to the drill bit body, so that more effective engineering parameters of the drill bit during working can be measured, and the working state and the working performance of the drill bit during the drilling process can be more accurately reflected.
Drawings
The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the invention as a matter of case.
Fig. 1 is a schematic view of a drill bit with data monitoring function according to the present invention.
FIG. 2 is a schematic view of a drill bit sub of the present invention.
FIG. 3 is a cross-sectional view of a drill bit sub of the present invention.
Fig. 4 is an exploded view of the circuit board case of the present invention.
Fig. 5 is an exploded view of a battery case according to an embodiment of the present invention.
Fig. 6 is an exploded view of the pressure sensor of the present invention.
Description of reference numerals:
100. a drill bit; 10. A drill bit body;
20. a drill bit nipple; 21. A flow guide cavity;
31. a first mounting groove; 32. A second mounting groove;
33. a third mounting groove; 41. A first cover plate;
43. a third cover plate;
51. a circuit board; 52. A pressure sensor;
521. a first retainer ring; 522. A sensor gland;
523. a second retainer ring; 524. Pressing a sensor block;
525. an external pressure sensor; 526. A harness fixing ring;
527. an internal pressure sensor; 53. A battery;
54. a battery case; 541. A battery case;
542. a battery positioning support; 543. A battery securing cover;
544. a plug securing cover; 55. A circuit board box;
56. plug retaining ring.
Detailed Description
The details of the present invention can be more clearly understood in conjunction with the accompanying drawings and the description of the embodiments of the present invention. However, the specific embodiments of the present invention described herein are for the purpose of illustration only and are not to be construed as limiting the invention in any way. Any possible variations based on the present invention may be conceived by the skilled person in the light of the teachings of the present invention, and these should be considered to fall within the scope of the present invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may be present.
The invention provides a drill bit 100 with a data monitoring function, as shown in fig. 1 to 6, the drill bit 100 comprises a drill bit body 10 and a drill bit short section 20, the drill bit body 10 is fixedly connected to one end of the drill bit short section 20, an installation groove is formed in the outer wall of the drill bit short section 20, and a measuring device is arranged in the installation groove.
According to the drill bit 100 with the data monitoring function, the measuring device is arranged in the side wall of the drill bit short section 20 and used for measuring various engineering parameters, and the drill bit short section 20 is fixedly welded on the drill bit body 10, so that the measuring device is closer to the drill bit body 10 to measure more effective engineering parameters during the operation of the drill bit, and the working state and the working performance of the drill bit during the drilling process are more accurately reflected.
According to the drill bit 100 with the data monitoring function, the drill bit nipple 20 with the measuring device is directly welded on the drill bit body 10 by utilizing the replaceability of the original joint part above the drill bit body 10, and the measuring device is installed on the outer wall of the drill bit nipple 20 in a groove forming mode, so that the drill bit 100 is more stable and firm.
According to the drill bit 100 with the data monitoring function, the measuring device can effectively obtain the engineering parameters close to the drill bit, and is low in power consumption and long in service life.
The drill bit 100 with the data monitoring function provided by the invention can achieve the design of an optimized drilling scheme by monitoring various underground engineering parameters, and improve the drilling efficiency.
In an alternative embodiment of the present invention, the measuring device includes a circuit board 51 and a pressure sensor 52, at least two mounting grooves are opened on an outer wall of the drill short section 20, the two mounting grooves are a first mounting groove 31 and a second mounting groove 32, the circuit board 51 and the pressure sensor 52 are electrically connected and disposed in the first mounting groove 31 and the second mounting groove 32, respectively, a first cover plate 41 for closing the first mounting groove is covered at a notch of the first mounting groove 31, and the first cover plate 41 is detachably connected to the drill short section 20.
In an alternative embodiment of the present invention, the pressure sensor 52 is a temperature and pressure integrated sensor, which can measure both pressure and temperature, and effectively saves the sensor arrangement space.
In an alternative example of this embodiment, the bit sub 20 has a diversion cavity 21 that penetrates axially, and the bottom surface of the second installation groove 32 is provided with a diversion hole that communicates with the diversion cavity 21, and with the above structure, the pressure sensor 52 can measure the pressures inside the diversion cavity 21 and outside the bit sub 20 (i.e., the bit internal pressure and the annulus pressure) at the same time. The bit pressure can be corrected by utilizing the internal and external pressure difference, so that the bit pressure measurement is more accurate, and the phenomenon of drill bit water hole blockage can be monitored by the internal and external pressure change.
In an alternative embodiment of the present invention, the pressure sensor 52 includes a first retaining ring 521, a sensor gland 522, a second retaining ring 523, a sensor pressing block 524, an external pressure sensor 525, a harness fixing ring 526, and an internal pressure sensor 527, which are sequentially arranged from outside to inside in a radial direction of the drill sub 20. Specifically, the internal pressure sensor 527 is disposed at the bottom of the second mounting groove 32, the external pressure sensor 525 is mounted above the internal pressure sensor 527, and a data connection line of the internal pressure sensor 527 and the external pressure sensor 525 is fixed by a wire harness fixing ring 526. The top of the external pressure sensor 525 is fixed with the second retainer 523 by a sensor pressing block 524, so that the external pressure sensor 525 is fixed and can not rotate. The top of the second mounting groove is pressed and sealed by a sensor gland 522 through a first retainer ring 521, the sensor gland 522 is provided with a communicating aperture for measuring the ring control pressure of an external pressure sensor 525, and the first retainer ring 521 is used for fixing the whole pressure sensor. Above-mentioned firm sensor mounting structure to and special sensor structure for drill bit nipple joint 20 can measure accurate effectual internal and external pressure and temperature parameter in the pit, and rectify the weight of a bit with this, improve the weight of a bit measurement accuracy, can monitor drill bit water hole blocking phenomenon simultaneously.
In an alternative embodiment of the present invention, the circuit board 51 includes a microprocessor, a temperature sensor, a vibration sensor, a rotational speed sensor, and a memory. The microprocessor may be configured to different sampling modes and process and store signals from the temperature sensor, vibration sensor, rotational speed sensor, and at least one of weight-on-bit, torque, internal and external temperature pressure as a function of time to enable the drill bit 100 to extract recorded data containing time stamps after tripping.
In an alternative example of this embodiment, the microprocessor may implement the measurement and storage of the various sensor parameters by a high sampling rate.
In an alternative example of this embodiment, a circuit board case 55 is provided outside the circuit board 51. The circuit board box 55 is used for mounting and fixing the circuit board 51, so that the mounting structure of the circuit board 51 is more stable, thereby being more beneficial to protecting the circuit board and measuring more effective engineering parameters. The circuit board 51 is further provided with a plug fixing ring 56 for fixing the plug switch.
In an alternative embodiment of the present invention, the measuring device further includes at least two batteries 53, two third mounting grooves 33 for mounting the batteries 53 are further provided on the outer wall of the drill short section 20, the two batteries 53 are respectively and correspondingly provided in the two third mounting grooves 33, a third cover plate 43 for closing the third mounting grooves 33 is covered at the notch of each third mounting groove 33, each third cover plate 43 is detachably connected to the drill short section 20, and each battery 53 is respectively and electrically connected to the circuit board 51 and the pressure sensor 52 to provide longer working time for the measuring device.
In an alternative example of this embodiment, a battery compartment 54 is provided around the battery 53.
In an alternative example, the battery case 54 includes a battery case 541, a battery positioning tray 542, a battery fixing cover 543, and a plug fixing cover 544. The battery compartment 54 is for carrying batteries; the battery positioning bracket 542 is arranged in the battery case 541 and used for fixing the installation position of the battery 53; the battery fixing cover 543 is used for fixing the battery 53 in the battery box 541 to prevent the battery 53 from falling off, slipping and short-circuiting; the plug fixing cover 544 is used to fix the battery lead plug and the circuit board lead plug, and this design is convenient for replacing the battery 53. The battery case 54 is integrally fixed in the third mounting groove 33 and sealed by the third cover plate 43.
In an alternative embodiment of the present invention, the measuring device further includes at least three strain gauge sets (not shown in the drawings), which are respectively disposed in the first mounting groove 31 and the two third mounting grooves 33 and are respectively electrically connected to the circuit board 51. The three strain gauge groups form a set of electric bridge for measuring parameters such as bit pressure, torque load and the like in the drilling process. In addition, as the strain gauge group is arranged in the first mounting groove 31 or the third mounting groove 33, additional grooving is not needed, and the space is fully utilized.
In an optional example of this embodiment, each strain gauge group includes a plurality of strain gauges, specifically, four strain gauges are provided on the bottom surface of the first mounting groove 31 for torque load measurement; 4 strain gauges are also evenly distributed on the side wall of the first mounting groove 31 for weight on bit measurement.
In an alternative example, the structure and arrangement of the strain gage assemblies in the third mounting groove 33 are the same as those in the first mounting groove 31. By adopting the structure, three groups of strain gauges are arranged in the first mounting groove 31 and the two third mounting grooves 33, and the three groups of strain gauges form two sets of electric bridges for measuring the bit pressure and the torque load respectively.
According to the drill bit 100 with the data monitoring function, on one hand, the drill bit short section 20 with the measuring device is welded and fixed above the drill bit body 10 to replace an original joint of the drill bit, so that the measuring device is closer to the drill bit, the build-up rate in the drilling process is not influenced, and the engineering parameters of the drill bit can be effectively obtained to reflect the working state and the working performance of the drill bit in the drilling process. On the other hand, the measuring device comprises various sensors, so that the whole measuring system can measure more engineering parameters. On the other hand, the arrangement mode of the circuit board 51 on the drill short section 20 and the arrangement mode of the battery 53 also enable the measurement process to be more stable and accurate, and the working time is long and the service life is long.
The present invention is not limited to the above embodiments, and in particular, various features described in different embodiments can be arbitrarily combined with each other to form other embodiments, and the features are understood to be applicable to any embodiment except the explicitly opposite descriptions, and are not limited to the described embodiments.
Claims (10)
1. The utility model provides a drill bit with data monitoring function, its characterized in that, the drill bit includes drill bit body and drill bit nipple joint, drill bit body fixed connection be in the one end of drill bit nipple joint, the mounting groove has been seted up on the outer wall of drill bit nipple joint, be equipped with measuring device in the mounting groove.
2. The drill bit with the data monitoring function according to claim 1, wherein the measuring device comprises a circuit board and a pressure sensor, at least two mounting grooves are formed in the outer wall of the drill bit sub, the two mounting grooves are respectively a first mounting groove and a second mounting groove, the circuit board and the pressure sensor are electrically connected and respectively arranged in the first mounting groove and the second mounting groove, a first cover plate for closing the first mounting groove is arranged at a notch of the first mounting groove in a covering manner, and the first cover plate is detachably connected with the drill bit sub.
3. The drill bit with data monitoring function according to claim 2, wherein the pressure sensor is a temperature and pressure integrated sensor.
4. The drill bit with the data monitoring function as claimed in claim 3, wherein the drill bit sub has a flow guide cavity running through axially, the bottom surface of the second mounting groove has a flow guide hole communicated with the flow guide cavity, and the pressure sensor can simultaneously measure the pressure in the flow guide cavity and the pressure outside the drill bit sub.
5. The drill bit with the data monitoring function as claimed in claim 4, wherein the pressure sensor comprises a first retaining ring, a sensor gland, a second retaining ring, a sensor pressing block, an external pressure sensor, a wire harness fixing ring and an internal pressure sensor which are arranged in sequence from outside to inside along the radial direction of the drill bit short section.
6. The drill bit with data monitoring function of claim 2, wherein the circuit board comprises a microprocessor, a temperature sensor, a vibration sensor, a rotational speed sensor and a memory.
7. The drill bit with data monitoring function as claimed in claim 6, wherein a circuit board box is sleeved outside the circuit board.
8. The drill bit with the data monitoring function as claimed in claim 2, wherein the measuring device further comprises at least two batteries, two third mounting grooves for mounting the batteries are further provided on the outer wall of the drill bit sub, each battery is correspondingly disposed in the third mounting groove and electrically connected to the circuit board and the pressure sensor, a third cover plate for closing the third mounting groove is provided at a notch of each third mounting groove, and each third cover plate is detachably connected to the drill bit sub.
9. The drill bit with data monitoring function as claimed in claim 8, wherein the battery case is provided with a battery box.
10. The drill bit with data monitoring function according to claim 9, wherein the measuring device further comprises at least three strain gauge sets, and the three strain gauge sets are respectively disposed in the first mounting groove and the two third mounting grooves and electrically connected to the circuit board.
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| CN202111629640.5A CN114293978B (en) | 2021-12-28 | 2021-12-28 | Drill bit with data monitoring function |
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| CN202111629640.5A CN114293978B (en) | 2021-12-28 | 2021-12-28 | Drill bit with data monitoring function |
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| CN114293978B CN114293978B (en) | 2023-09-15 |
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|---|---|
| CN114293978B (en) | 2023-09-15 |
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