CN114293978B - Drill bit with data monitoring function - Google Patents
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 33
- 238000009434 installation Methods 0.000 claims abstract description 42
- 230000006870 function Effects 0.000 claims description 29
- 210000002445 nipple Anatomy 0.000 claims description 17
- 210000004907 gland Anatomy 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims 1
- 238000005553 drilling Methods 0.000 abstract description 25
- 238000005259 measurement Methods 0.000 abstract description 22
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
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Abstract
本发明提出一种带有数据监测功能的钻头，涉及石油钻井过程中井下测量工具设备，该钻头包括钻头本体和钻头短节，钻头本体固定连接在钻头短节的一端，钻头短节的外壁上开设有安装槽，安装槽内设有测量装置。本发明提出的带有数据监测功能的钻头，能够有效测量近钻头处的工程参数。
The invention proposes a drill bit with a data monitoring function, which relates to downhole measurement tools and equipment in the process of oil drilling. The drill bit includes a drill bit body and a drill bit sub-section. The drill bit body is fixedly connected to one end of the drill bit sub-section, and is fixed on the outer wall of the drill bit sub-section. An installation slot is provided, and a measuring device is provided in the installation slot. The drill bit with data monitoring function proposed by the present invention can effectively measure engineering parameters near the drill bit.
Description
技术领域Technical field
本发明涉及石油钻井过程中井下测量工具设备，特别涉及一种带有数据监测功能的钻头。The invention relates to downhole measurement tools and equipment in the oil drilling process, and in particular to a drill bit with a data monitoring function.
背景技术Background technique
石油是重要能源，随着石油勘探的不断深入，地层结构也越来越复杂。在钻进过程中，井下的钻井工程参数的应用对井下故障诊断、地层分析、安全性预测和评价以及钻井技术的基础研究具有重要的工程价值。因此为了有效地防止井下工程事故发生，提高钻井效率与经济效益，钻井过程中对随钻测量仪器的要求越来越高。Petroleum is an important energy source. As oil exploration continues to deepen, the stratigraphic structure becomes more and more complex. During the drilling process, the application of downhole drilling engineering parameters has important engineering value for downhole fault diagnosis, formation analysis, safety prediction and evaluation, and basic research on drilling technology. Therefore, in order to effectively prevent underground engineering accidents and improve drilling efficiency and economic benefits, the requirements for measurement while drilling instruments are getting higher and higher during the drilling process.
日常钻井动态测量依赖于随钻测量工具获取数据，这些测量数据只提供随钻测量工具在底部钻具组合位置的数据，并不能提供井底作业钻头的数据，且测量位置距离钻头有一定的距离，钻头位置的振动信号会被严重衰减，造成记录数据的缺失或无效。Daily drilling dynamic measurement relies on data obtained by measurement while drilling tools. These measurement data only provide data on the position of the measurement while drilling tool at the bottom hole tool assembly, but cannot provide data on the bottom-hole operation drill bit, and the measurement position is a certain distance from the drill bit. , the vibration signal at the drill bit position will be severely attenuated, resulting in missing or invalid recorded data.
随着井深的增加，钻井事故以及复杂情况的故障发生率越来越高，会不同程度的发生卡钻、掉齿等钻井事故，这些事故的发生与近钻头处的工程参数密切相关。同时随着井下测量工具的发展，人们开始意识到近钻头工程参数包含了大量的反映井下钻头工作状态最有效的信息。As the well depth increases, the incidence of drilling accidents and complex failures becomes higher and higher. Drilling accidents such as stuck pipe and tooth loss will occur to varying degrees. The occurrence of these accidents is closely related to the engineering parameters near the drill bit. At the same time, with the development of downhole measurement tools, people have begun to realize that near-bit engineering parameters contain a large amount of the most effective information that reflects the working status of downhole bits.
因此近钻头测量工具的设计对于更清晰的了解井下动态有着更好的效果。特别是对测量点距离钻头越近越好，为了获取准确的钻头运动状态，需要将测量工具尽量靠近钻头。然而目前国内的测量工具多以增加钻铤为主，测量工具布置在钻铤上距钻头距离远，同时由于受到钻井时狗腿度的限制，安装在钻头上方并且位于钻杆下方的近钻头短节的长度一般都不能过长。这将极大限制近钻头测量短节的结构设计，导致测量的信息不能有效的反应钻进过程中钻头的工作状态和工作性能Therefore, the design of near-bit measurement tools has a better effect on understanding downhole dynamics more clearly. In particular, the closer the measurement point is to the drill bit, the better. In order to obtain accurate drill bit motion status, the measuring tool needs to be as close to the drill bit as possible. However, most current domestic measurement tools are mainly based on adding drill collars. The measurement tools are arranged on the drill collar far away from the drill bit. At the same time, due to the limitation of dogleg during drilling, the distance near the drill bit installed above the drill bit and below the drill pipe is short. The length of the knots should generally not be too long. This will greatly limit the structural design of the near-bit measurement sub-section, resulting in the measurement information not being able to effectively reflect the working status and performance of the drill bit during the drilling process.
由此，本发明人凭借多年从事相关行业的经验与实践，提出一种带有数据监测功能的钻头，以克服现有技术的缺陷。Therefore, relying on many years of experience and practice in related industries, the inventor proposes a drill bit with a data monitoring function to overcome the shortcomings of the existing technology.
发明内容Contents of the invention
本发明的目的在于提出一种带有数据监测功能的钻头，能够有效测量近钻头处的工程参数。The purpose of the present invention is to propose a drill bit with a data monitoring function that can effectively measure engineering parameters near the drill bit.
为达到上述目的，本发明提出一种带有数据监测功能的钻头，其中，所述钻头包括钻头本体和钻头短节，所述钻头本体固定连接在所述钻头短节的一端，所述钻头短节的外壁上开设有安装槽，所述安装槽内设有测量装置。In order to achieve the above object, the present invention proposes a drill bit with a data monitoring function, wherein the drill bit includes a drill bit body and a drill bit nipple. The drill bit body is fixedly connected to one end of the drill bit nipple. The drill bit nipple An installation slot is provided on the outer wall of the section, and a measuring device is provided in the installation slot.
如上所述的带有数据监测功能的钻头，其中，所述测量装置包括电路板和压力传感器，所述钻头短节的外壁上开设有至少两个所述安装槽，两个所述安装槽分别为第一安装槽第二安装槽，所述电路板和所述压力传感器电连接并分别设于所述第一安装槽和所述第二安装槽内，所述第一安装槽的槽口处盖设有用于封闭所述第一安装槽的第一盖板，所述第一盖板与所述钻头短节能拆卸地连接。The drill bit with data monitoring function as mentioned above, wherein the measuring device includes a circuit board and a pressure sensor, and at least two mounting slots are provided on the outer wall of the drill bit sub-section, and the two mounting slots are respectively It is a first installation slot and a second installation slot. The circuit board and the pressure sensor are electrically connected and respectively installed in the first installation slot and the second installation slot. The notch of the first installation slot is The cover is provided with a first cover plate for closing the first installation slot, and the first cover plate is connected to the drill bit short in an energy-saving and detachable manner.
如上所述的带有数据监测功能的钻头，其中，所述压力传感器为温压一体传感器。The drill bit with data monitoring function as mentioned above, wherein the pressure sensor is a temperature-pressure integrated sensor.
如上所述的带有数据监测功能的钻头，其中，所述钻头短节具有轴向贯通的导流腔，所述第二安装槽的底面具有与所述导流腔相连通的导流孔，所述压力传感器能够同时测量所述导流腔内的压力和所述钻头短节外的压力。The drill bit with data monitoring function as described above, wherein the drill bit sub-section has an axially penetrating flow guide cavity, and the bottom surface of the second installation groove has a guide hole connected with the flow guide cavity, The pressure sensor can simultaneously measure the pressure in the flow guide chamber and the pressure outside the drill bit sub-section.
如上所述的带有数据监测功能的钻头，其中，所述压力传感器包括沿所述钻头短节的径向由外向内依次设置的第一挡圈、传感器压盖、第二挡圈、传感器压块、外压传感器、线束固定环和内压传感器。The drill bit with data monitoring function as described above, wherein the pressure sensor includes a first retaining ring, a sensor gland, a second retaining ring, a sensor pressure sensor, and a first retaining ring, a sensor gland, a second retaining ring, and a sensor pressure sensor arranged sequentially from outside to in along the radial direction of the drill bit sub. block, external pressure sensor, wire harness retaining ring and internal pressure sensor.
如上所述的带有数据监测功能的钻头，其中，所述电路板包括微处理器、温度传感器、振动传感器、转速传感器和存储器。As mentioned above, the drill bit with data monitoring function, wherein the circuit board includes a microprocessor, a temperature sensor, a vibration sensor, a rotational speed sensor and a memory.
如上所述的带有数据监测功能的钻头，其中，所述电路板外套设有电路板盒。The drill bit with data monitoring function as mentioned above, wherein the circuit board outer cover is provided with a circuit board box.
如上所述的带有数据监测功能的钻头，其中，所述测量装置还包括至少一个电池，所述钻头短节的外壁上还设有用于安装所述电池的两个第三安装槽，各所述电池对应设于所述第三安装槽内并与所述电路板和所述压力传感器电连接，各所述第三安装槽的槽口处盖设有用于封闭所述第三安装槽的第三盖板，各所述第三盖板与所述钻头短节能拆卸地连接。The drill bit with data monitoring function as described above, wherein the measuring device further includes at least one battery, and the outer wall of the drill bit sub-section is also provided with two third installation slots for installing the battery, each of which The battery is correspondingly installed in the third installation slot and is electrically connected to the circuit board and the pressure sensor. The slot opening of each third installation slot is covered with a third hole for closing the third installation slot. Three cover plates, each of the third cover plates is connected to the drill bit in an energy-saving and detachable manner.
如上所述的带有数据监测功能的钻头，其中，所述电池外套设有电池盒。The drill bit with data monitoring function as mentioned above, wherein the battery jacket is provided with a battery box.
如上所述的带有数据监测功能的钻头，其中，The drill bit with data monitoring function as mentioned above, wherein,
所述测量装置还包括至少三个应变片组，所述应变片组分别设于所述第一安装槽和两个所述第三安装槽内并与所述电路板电连接。The measuring device further includes at least three strain gauge groups, the strain gauge groups are respectively provided in the first mounting slot and the two third mounting slots and are electrically connected to the circuit board.
与现有技术相比，本发明具有如下特点和优点：Compared with the existing technology, the present invention has the following characteristics and advantages:
本发明提出的带有数据监测功能的钻头，钻头短节的侧壁内设有测量装置，而钻头短节固定焊接在钻头本体上，有效缩减测量工具距离钻头的距离，使得测量装置更加接近钻头本体，以测得钻头工作中更有效的工程参数，进而更准确的反应钻进过程中钻头的工作状态和工作性能。In the drill bit with data monitoring function proposed by the present invention, a measuring device is provided in the side wall of the drill bit sub-section, and the drill bit sub-section is fixedly welded to the drill bit body, effectively reducing the distance between the measuring tool and the drill bit, and making the measuring device closer to the drill bit. The main body can measure more effective engineering parameters during drill bit operation, thereby more accurately reflecting the working status and performance of the drill bit during the drilling process.
附图说明Description of the drawings
在此描述的附图仅用于解释目的，而不意图以任何方式来限制本发明公开的范围。另外，图中的各部件的形状和比例尺寸等仅为示意性的，用于帮助对本发明的理解，并不是具体限定本发明各部件的形状和比例尺寸。本领域的技术人员在本发明的教导下，可以根据具体情况选择各种可能的形状和比例尺寸来实施本发明。The drawings described herein are for illustrative purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes and proportional dimensions of each component in the figures are only schematic and are used to help the understanding of the present invention, and are not intended to specifically limit the shapes and proportional dimensions of each component of the present invention. Under the teaching of the present invention, those skilled in the art can select various possible shapes and proportional sizes according to specific circumstances to implement the present invention.
图1为本发明提出的带有数据监测功能的钻头的示意图。Figure 1 is a schematic diagram of a drill bit with a data monitoring function proposed by the present invention.
图2为本发明中钻头短节的示意图。Figure 2 is a schematic diagram of the drill bit nipple in the present invention.
图3为本发明中钻头短节的剖面图。Figure 3 is a cross-sectional view of the drill bit nipple of the present invention.
图4为本发明中电路板盒的分解图。Figure 4 is an exploded view of the circuit board box of the present invention.
图5为本发明实施例中电池盒的分解图。Figure 5 is an exploded view of the battery box in the embodiment of the present invention.
图6为本发明中压力传感器的分解图。Figure 6 is an exploded view of the pressure sensor in the present invention.
附图标记说明：Explanation of reference symbols:
100、钻头； 10、钻头本体；100. Drill bit; 10. Drill bit body;
20、钻头短节； 21、导流腔；20. Drill bit nipple; 21. Diversion chamber;
31、第一安装槽； 32、第二安装槽；31. The first installation slot; 32. The second installation slot;
33、第三安装槽； 41、第一盖板；33. The third installation slot; 41. The first cover;
43、第三盖板；43. The third cover;
51、电路板； 52、压力传感器；51. Circuit board; 52. Pressure sensor;
521、第一挡圈； 522、传感器压盖；521. First retaining ring; 522. Sensor gland;
523、第二挡圈； 524、传感器压块；523. Second retaining ring; 524. Sensor pressure block;
525、外压传感器； 526、线束固定环；525. External pressure sensor; 526. Wire harness fixing ring;
527、内压传感器； 53、电池；527. Internal pressure sensor; 53. Battery;
54、电池盒； 541、电池盒体；54. Battery box; 541. Battery box body;
542、电池定位托； 543、电池固定盖；542. Battery positioning bracket; 543. Battery fixing cover;
544、插头固定盖； 55、电路板盒；544. Plug fixing cover; 55. Circuit board box;
56、插头固定环。56. Plug fixing ring.
具体实施方式Detailed ways
结合附图和本发明具体实施方式的描述，能够更加清楚地了解本发明的细节。但是，在此描述的本发明的具体实施方式，仅用于解释本发明的目的，而不能以任何方式理解成是对本发明的限制。在本发明的教导下，技术人员可以构想基于本发明的任意可能的变形，这些都应被视为属于本发明的范围。The details of the present invention can be understood more clearly with reference to the accompanying drawings and the description of specific embodiments of the present invention. However, the specific embodiments of the present invention described here are only for the purpose of explaining the present invention and should not be construed as limiting the present invention in any way. Under the teachings of the present invention, skilled persons can conceive any possible modifications based on the present invention, and these should be regarded as belonging to the scope of the present invention.
需要说明的是，当元件被称为“固定于”或“设置于”另一个元件，它可以直接在另一个元件上或者可能存在居中元件。当一个元件被称为是“连接于”另一个元件，它可以是直接连接到另一个元件或者可能存在居中元件。It should be noted that when an element is referred to as being "fixed" or "disposed to" another element, it can be directly on the other element or intervening elements may be present. When an element is said to be "connected to" another element, it can be directly connected to the other element or intervening elements may be present.
本发明提出一种带有数据监测功能的钻头100，如图1至图6所示，钻头100包括钻头本体10和钻头短节20，钻头本体10固定连接在钻头短节20一端，钻头短节20的外壁上开设有安装槽，安装槽内设有测量装置。The present invention proposes a drill bit 100 with a data monitoring function. As shown in Figures 1 to 6, the drill bit 100 includes a drill bit body 10 and a drill bit sub-joint 20. The drill bit body 10 is fixedly connected to one end of the drill bit sub-joint 20. The drill bit sub-joint 20 An installation slot is provided on the outer wall of 20, and a measuring device is provided in the installation slot.
本发明提出的带有数据监测功能的钻头100，钻头短节20的侧壁内设有测量装置，测量装置用于测量多种工程参数，而钻头短节20固定焊接在钻头本体10上，使得测量装置更加接近钻头本体10，以测得钻头工作中更有效的工程参数，进而更准确的反应钻进过程中钻头的工作状态和工作性能。In the drill bit 100 with data monitoring function proposed by the present invention, a measuring device is provided in the side wall of the drill bit sub 20. The measuring device is used to measure various engineering parameters, and the drill bit sub 20 is fixedly welded to 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 drill bit operation, thereby more accurately reflecting the working status and performance of the drill bit during the drilling process.
本发明提出的带有数据监测功能的钻头100，利用钻头本体10上方原接头部分的可替换性，将具有测装置的钻头短节20直接焊接在钻头本体10上，钻头短节20的外壁上开槽安装测量装置，更加稳定牢固。The drill bit 100 with data monitoring function proposed by the present invention takes advantage of the replaceability of the original joint part above the drill bit body 10, and directly welds the drill bit sub 20 with the measuring device to the drill bit body 10, and on the outer wall of the drill bit sub 20 The measuring device is installed in a slot, which is more stable and firm.
本发明提出的带有数据监测功能的钻头100，测量装置可有效的获得近钻头的工程参数，且功耗低，寿命长。In the drill bit 100 with data monitoring function proposed by the present invention, the measuring device can effectively obtain engineering parameters near the drill bit, and has low power consumption and long service life.
本发明提出的带有数据监测功能的钻头100，可通过监测井下多种工程参数来达到优化钻井方案的设计，提高钻井效率。The drill bit 100 with data monitoring function proposed by the present invention can optimize the design of drilling plans and improve drilling efficiency by monitoring various engineering parameters downhole.
在本发明一个可选的实施方式中，测量装置包括电路板51和压力传感器52，钻头短节20的外壁上开设有至少两个安装槽，两个安装槽分别为第一安装槽31和第二安装槽32，电路板51和压力传感器52电连接并分别设于第一安装槽31和第二安装槽32内，第一安装槽31的槽口处盖设有用于封闭第一安装槽的第一盖板41，第一盖板41与钻头短节20能拆卸地连接。In an optional embodiment of the present invention, the measuring device includes a circuit board 51 and a pressure sensor 52. The outer wall of the drill bit sub 20 is provided with at least two mounting slots, and the two mounting slots are the first mounting slot 31 and the third mounting slot respectively. The two mounting slots 32, the circuit board 51 and the pressure sensor 52 are electrically connected and are respectively located in the first mounting slot 31 and the second mounting slot 32. The slot opening of the first mounting slot 31 is covered with a seal for closing the first mounting slot. The first cover plate 41 is detachably connected to the drill bit sub 20 .
在本发明一个可选的实施方式中，压力传感器52为温压一体传感器，既能测量压力又能同时测量温度，有效节省传感器布置空间。In an optional embodiment of the present invention, the pressure sensor 52 is a temperature-pressure integrated sensor, which can measure both pressure and temperature simultaneously, effectively saving sensor arrangement space.
在该实施方式一个可选的例子中，钻头短节20具有轴向贯通的导流腔21，第二安装槽32的底面设有与导流腔21相连通的导流孔，采用上述结构，压力传感器52能够同时测量导流腔21内和钻头短节20外的压力(即钻头内部压力和环空压力)。利用内外压差可以校正钻压，使得钻压测量更加准确，同时内外压力变化可以监测钻头水眼堵塞现象。In an optional example of this embodiment, the drill bit sub 20 has an axially penetrating flow guide cavity 21, and the bottom surface of the second mounting groove 32 is provided with a flow guide hole connected with the flow guide cavity 21. Using the above structure, The pressure sensor 52 can simultaneously measure the pressure inside the flow guide chamber 21 and outside the drill bit sub-joint 20 (ie, the drill bit internal pressure and the annulus pressure). The pressure difference between the inside and outside can be used to correct the weight on bit, making the weight on bit measurement more accurate. At the same time, changes in internal and external pressure can monitor the clogging of the drill bit's water hole.
在本发明一个可选的实施方式中，压力传感器52包括沿钻头短节20的径向由外向内依次设置的第一挡圈521、传感器压盖522、第二挡圈523、传感器压块524、外压传感器525、线束固定环526和内压传感器527。具体的，内压传感器527安置在第二安装槽32的底部，外压传感器525安装在内压传感器527上方，利用线束固定环526来固定内压传感器527与外压传感器525的数据连接线。外压传感器525顶部用传感器压块524与第二挡圈523固定，使外压传感器525固定不可旋转。第二安装槽顶部用传感器压盖522通过第一挡圈521压紧密封，传感器压盖522上有一连通孔径，用于外压传感器525测量环控压力，第一挡圈521用于固定整个的压力传感器。上述稳固的传感器安装结构，以及特殊的传感器结构，使得钻头短节20在井下能测量准确有效的内外压力与温度参数，并以此来校正钻压，提高钻压测量准确性，同时可以监测钻头水眼堵塞现象。In an optional embodiment of the present invention, the pressure sensor 52 includes a first retaining ring 521 , a sensor gland 522 , a second retaining ring 523 , and a sensor pressure block 524 that are arranged sequentially from outside to inside along the radial direction of the drill bit sub 20 . , external pressure sensor 525, wire harness fixing ring 526 and internal pressure sensor 527. Specifically, the internal pressure sensor 527 is installed at the bottom of the second installation groove 32 , and the external pressure sensor 525 is installed above the internal pressure sensor 527 . The wire harness fixing ring 526 is used to fix the data connection line between the internal pressure sensor 527 and the external pressure sensor 525 . The top of the external pressure sensor 525 is fixed with the sensor pressure block 524 and the second retaining ring 523, so that the external pressure sensor 525 is fixed and cannot rotate. The top of the second installation groove is tightly sealed with the sensor gland 522 through the first retaining ring 521. The sensor gland 522 has a communicating aperture for the external pressure sensor 525 to measure the environmental control pressure. The first retaining ring 521 is used to fix the entire Pressure Sensor. The above-mentioned stable sensor installation structure and the special sensor structure enable the drill bit sub 20 to measure accurate and effective internal and external pressure and temperature parameters downhole, and use this to correct the weight on bit, improve the accuracy of the weight on bit measurement, and monitor the drill bit at the same time Blockage of water eyes.
在本发明一个可选的实施方式中，电路板51包括微处理器、温度传感器、振动传感器、转速传感器和存储器。微处理器可配置为不同的采样模式并根据时间来处理与储存来自温度传感器、振动传感器、转速传感器，以及钻压、扭矩、内外温压中的至少一个的信号，以使钻头100能在起钻后提取包含时间戳的记录数据。In an optional 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 can be configured to different sampling modes and process and store signals from the temperature sensor, vibration sensor, rotation speed sensor, and at least one of the drilling pressure, torque, and internal and external temperature and pressure according to time, so that the drill bit 100 can start. Extract record data containing timestamps after drilling.
在该实施方式一个可选的例子中，微处理器可通过高采样率实现对各传感器参数的测量与储存。In an optional example of this implementation, the microprocessor can measure and store each sensor parameter through a high sampling rate.
在该实施方式一个可选的例子中，电路板51外设有电路板盒55。电路板盒55用于安装和固定电路板51，以使电路板51的安装结构更为稳固，进而更有利于保护电路板以及测量更有效地工程参数。电路板51上还设有插头固定环56，用以固定插头开关。In an optional example of this implementation, a circuit board box 55 is provided outside the circuit board 51 . The circuit board box 55 is used to install and fix the circuit board 51 to make the installation structure of the circuit board 51 more stable, which is more conducive to protecting the circuit board and measuring more effective engineering parameters. The circuit board 51 is also provided with a plug fixing ring 56 for fixing the plug switch.
在本发明一个可选的实施方式中，测量装置还包括至少两个电池53，钻头短节20的外壁上还设有用于安装电池53的两个第三安装槽33，两个电池53分别对应设于两个第三安装槽33内，各第三安装槽33的槽口处盖设有用于封闭第三安装槽33的第三盖板43，各第三盖板43与钻头短节20能拆卸地连接，且各电池53分别与电路板51和压力传感器52电连接，以供应测量装置更长时间的工作。In an optional embodiment of the present invention, the measuring device further includes at least two batteries 53. The outer wall of the drill bit sub 20 is also provided with two third installation slots 33 for installing the batteries 53. The two batteries 53 correspond to It is provided in two third installation slots 33. The slot opening of each third installation slot 33 is covered with a third cover plate 43 for closing the third installation slot 33. Each third cover plate 43 can interact with the drill bit nipple 20. The batteries 53 are detachably connected, and each battery 53 is electrically connected to the circuit board 51 and the pressure sensor 52 respectively, so as to supply the measuring device with a longer working time.
在该实施方式一个可选的例子中，电池53外套设有电池盒54。In an optional example of this implementation, a battery box 54 is provided around the battery 53 .
在一个可选的例子中，电池盒54包括电池盒体541、电池定位托542、电池固定盖543和插头固定盖544。电池盒54用于承载电池；电池定位托542设于电池盒体541内并用于固定电池53的安装位置；电池固定盖543用于将电池53固定与电池盒体541内，以防止电池53脱落、滑移、短路；插头固定盖544用来固定电池引线插头与电路板引线插头，此设计方便更换电池53使用。电池盒54整体固定在第三安装槽33内，并利用第三盖板43来密封。In an optional example, the battery box 54 includes a battery box body 541 , a battery positioning bracket 542 , a battery fixing cover 543 and a plug fixing cover 544 . The battery box 54 is used to carry the battery; the battery positioning bracket 542 is provided in the battery box 541 and is used to fix the installation position of the battery 53; the battery fixing cover 543 is used to fix the battery 53 in the battery box 541 to prevent the battery 53 from falling off , slippage, short circuit; the plug fixing cover 544 is used to fix the battery lead plug and the circuit board lead plug. This design is convenient for replacing the battery 53. The battery box 54 is integrally fixed in the third installation groove 33 and sealed by the third cover 43 .
在本发明一个可选的实施方式中，测量装置还包括至少三个应变片组(未在图中示出)，三个应变片组分别设于第一安装槽31和两个第三安装槽33内并分别与电路板51电连接。，三个应变片组构成一套电桥，用来测量钻井过程中的钻压，扭矩载荷等参数。并且，由于应变片组安装于第一安装槽31或第三安装槽33内，无需额外开槽，充分利用了空间。In an optional embodiment of the present invention, the measuring device further includes at least three strain gauge groups (not shown in the figure), and the three strain gauge groups are respectively provided in the first installation slot 31 and the two third installation slots. 33 and are electrically connected to the circuit board 51 respectively. , three strain gauge groups form a set of electric bridges, which are used to measure parameters such as weight on bit and torque load during drilling. Moreover, since the strain gauge group is installed in the first installation groove 31 or the third installation groove 33, no additional grooves are needed, making full use of the space.
在该实施方式一个可选的例子中，各应变片组分别包括多个应变片，具体的，第一安装槽31的底面上设有四个应变片，以用于扭矩载荷测量；第一安装槽31的侧壁上也均匀分布的4个应变片，以用于钻压测量。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 of the first installation slot 31 for torque load measurement; the first installation Four strain gauges are also evenly distributed on the side wall of the groove 31 for weight-on-bit measurement.
在一个可选的例子中，第三安装槽33内应变片组的结构和布置方式都与第一安装槽31内的应变片组一样。采用上述结构，第一安装槽31和两个第三安装槽33内共安装三组应变片，三组应变片构成两套电桥分别用于测量钻压、扭矩载荷。In an optional example, the structure and arrangement of the strain gauge group in the third installation slot 33 are the same as the strain gauge group in the first installation slot 31 . Using the above structure, a total of three sets of strain gauges are installed in the first installation slot 31 and the two third installation slots 33. The three sets of strain gauges form two sets of electric bridges for measuring the drilling weight and torque load respectively.
本发明提出的带有数据监测功能的钻头100，一方面将具有测量装置的钻头短节20焊接固定在钻头本体10上方，替代钻头原始接头，从而使测量装置更加接近钻头，既不影响钻井过程中的造斜率，也能有效的获取钻头的工程参数以反应钻进过程中钻头的工作状态和工作性能。另一方面测量装置包括多种传感器，使得整个测量系统能测得更多工程参数。再一方面钻头短节20上的电路板51的布置方式与电池53的布置方式，也使得测量过程更加稳定准确，且工作时间长，寿命长。The drill bit 100 with the data monitoring function proposed by the present invention, on the one hand, welds and fixes the drill bit sub-joint 20 with the measuring device above the drill bit body 10, replacing the original joint of the drill bit, thereby bringing the measuring device closer to the drill bit without affecting the drilling process. The build-up rate in the drill bit can also effectively obtain the engineering parameters of the drill bit to reflect the working status and performance of the drill bit during the drilling process. On the other hand, the measurement device includes a variety of sensors, allowing the entire measurement system to measure more engineering parameters. On the other hand, the arrangement of the circuit board 51 on the drill bit sub 20 and the arrangement of the battery 53 also make the measurement process more stable and accurate, with long working time and long life.
针对上述各实施方式的详细解释，其目的仅在于对本发明进行解释，以便于能够更好地理解本发明，但是，这些描述不能以任何理由解释成是对本发明的限制，特别是，在不同的实施方式中描述的各个特征也可以相互任意组合，从而组成其他实施方式，除了有明确相反的描述，这些特征应被理解为能够应用于任何一个实施方式中，而并不仅局限于所描述的实施方式。The detailed explanation of each of the above embodiments is only intended to explain the present invention so that the present invention can be better understood. However, these descriptions cannot be interpreted as limiting the present invention for any reason. In particular, in different Various features described in the embodiments can also be arbitrarily combined with each other to form other embodiments. Unless there is an explicit description to the contrary, these features should be understood to be applicable to any embodiment and are not limited to the described implementation. Way.
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| CN120819348B (en) * | 2025-09-18 | 2025-11-18 | 中国石油大学(北京)克拉玛依校区 | Measurement-while-drilling nipple |
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