CN112696189B - Near-bit rapid detection device and method - Google Patents
Near-bit rapid detection device and method Download PDFInfo
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- CN112696189B CN112696189B CN202011484867.0A CN202011484867A CN112696189B CN 112696189 B CN112696189 B CN 112696189B CN 202011484867 A CN202011484867 A CN 202011484867A CN 112696189 B CN112696189 B CN 112696189B
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- 238000001514 detection method Methods 0.000 title claims abstract description 47
- 238000000034 method Methods 0.000 title claims abstract description 8
- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims abstract description 28
- 210000002445 nipple Anatomy 0.000 claims abstract description 17
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 238000012545 processing Methods 0.000 claims description 60
- 239000003990 capacitor Substances 0.000 claims description 32
- 238000007599 discharging Methods 0.000 claims description 8
- 238000005259 measurement Methods 0.000 claims description 4
- 238000012031 short term test Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- Environmental & Geological Engineering (AREA)
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- General Life Sciences & Earth Sciences (AREA)
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Abstract
The invention discloses a near-bit rapid detection device and a method, and the device comprises a near-bit transmitting short section detection tool and a near-bit receiving short section detection tool, wherein the near-bit transmitting short section sends a group of data every 32s, and the near-bit transmitting short section detection tool is used for receiving the data; nearly drill bit receiving nipple joint detects frock is used for sending specific data, and nearly drill bit receiving nipple joint detects frock and sends a set of data every 32s, sends data transmission away through the bar magnet. The invention is convenient to operate, does not need to pull a distance test, and represents different communication distances by adjusting different gears; the received data does not need to be watched by a computer, and the data can be directly watched through a liquid crystal display screen on the detection tool.
Description
Technical Field
The invention relates to the technical field of near-bit rapid detection, in particular to a near-bit rapid detection device and a near-bit rapid detection method.
Background
The near-bit measuring system is developed for acquiring real parameters of a bit in an oil drilling system, and can shorten the drilling period and reduce the drilling cost. It is helpful to promote the exploitation of ultra-thin oil reservoir and various complex oil and gas reservoirs. The near-bit measuring system has smaller lag relative to the bit position, the collected well deviation data is more real-time and effective, and the measuring blind area is shortened to the maximum extent.
In order to ensure the reliability of a near-bit measuring system before entering a well and ensure the normal work of a near-bit, a quick detection device and an effective detection method are needed. The quick detection device of the near-bit measurement system comprises a near-bit transmitting short joint detection tool and a near-bit receiving short joint detection tool.
The existing detection method simultaneously uses a near-bit transmitting short section and a near-bit receiving short section, and the distance is pulled for testing communication, and meanwhile, whether the operation is normal can be known by using a computer to monitor data. The transmitting nipple and the receiving nipple are large in size, heavy in weight and inconvenient to move. The detection method of the pull distance cannot rapidly detect and intuitively explain, and is inconvenient for field workers to use.
Disclosure of Invention
The present invention is directed to a near-bit rapid detection device and method, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a near-bit rapid detection device comprises a near-bit transmitting short section detection tool and a near-bit receiving short section detection tool, wherein the near-bit transmitting short section detection tool comprises a first outer shell, and a first liquid crystal display, a first switch, a first charging interface, a first charging indicator lamp and a distance setting gear are mounted on the front end surface of the first outer shell; the first signal processing board is installed in an inner cavity of the first shell body, the first signal processing board is provided with a first MCU unit, a first signal processing unit, a receiving magnetic rod, a first 485 communication unit, a first battery and a first battery charging and discharging protection unit, the receiving magnetic rod is connected with the first MCU unit through the first signal processing unit, the first MCU unit is connected with a first liquid crystal display through a first 485 communication unit, the first MCU unit is connected with a first power supply processing unit, the first power supply processing unit is respectively connected with the first liquid crystal display, the first signal processing unit and the first 485 communication unit, and the first power supply processing unit is connected with the first battery charging and discharging protection unit through the first battery.
Preferably, the near-bit receiving short section detection tool comprises a second outer shell, and a second liquid crystal display screen, a second switch, a second charging interface and a second charging indicator lamp are mounted on the front end face of the second outer shell; the second signal processing board is installed in an inner cavity of the second outer shell, a second MCU unit, a second signal processing unit, a transmitting magnetic bar, a second 485 communication unit, a second battery and a second battery charging and discharging protection unit are installed on the second signal processing board, the transmitting magnetic bar is connected with the second MCU unit through the second signal processing unit, the second MCU unit is connected with the second liquid crystal display through a second 485 communication unit, the second MCU unit is connected with a second power supply processing unit, the second power supply processing unit is respectively connected with the second liquid crystal display, the second signal processing unit and the second 485 communication unit, and the second power supply processing unit is connected with the second battery charging and discharging protection unit through the second battery.
Preferably, the first signal processing unit includes a first operational amplifier U1, a second operational amplifier U2, a third operational amplifier U3, a fourth operational amplifier U4 and a fifth operational amplifier U5, a positive input end of the first operational amplifier U1 is connected to one end of a first resistor R1, a negative input end of the first operational amplifier U1 is connected to one end of a second resistor R2 and one end of a fifth resistor R5 respectively, the other end of the second resistor R2 is grounded, an output end of the first operational amplifier U1 is connected to the other end of the fifth resistor R5, the other end of the first resistor R1 is connected to one end of a fourth operational amplifier U4 and one end of a twelfth resistor R12 respectively, the other end of the twelfth resistor R12 is connected to a positive input end of the fifth operational amplifier U5, a negative input end of the fifth operational amplifier U5 is connected to one end of a seventeenth resistor R17 and one end of an eighteenth resistor R18 respectively, the other end of the seventeenth resistor R17 is grounded, and the other end of the eighteenth resistor R18 is connected to the output end of the fifth operational amplifier U5.
Preferably, the positive input end of the fourth operational amplifier U4 is connected to one end of an eleventh resistor R11 and one end of an eighth capacitor C8 respectively, the other end of the eighth capacitor C8 is grounded, the negative input end of the fourth operational amplifier U4 is connected to the output end, the other end of the eleventh resistor R11 is connected to one end of a tenth resistor R10, the other end of the tenth resistor R10 is connected to one end of a first capacitor C1 and one end of a ninth resistor R9 respectively, and the other end of the first capacitor C1 is connected to the output end of the fourth operational amplifier U4.
Preferably, the positive electrode input end of the third operational amplifier U3 is connected to one end of a sixth capacitor C6 and one end of a thirteenth resistor R13, the negative electrode input end is connected to the output end, the other end of the thirteenth resistor R13 is grounded through a sixteenth resistor R16, the other end of the sixth capacitor C6 is connected to one end of a fifth capacitor C5 and one end of a third resistor R3, and the other end of the third resistor R3 is connected to the output end of the third operational amplifier U3 through a fourth resistor R4.
Preferably, the positive input end of the second operational amplifier U2 is connected to one end of a seventh resistor R7, the other end of the seventh resistor R7 is connected to one end of the second capacitor C2, one end of the third capacitor C3, one end of the fourth capacitor C4, and one end of the seventh capacitor C7, respectively, the negative input end is connected to one end of an eighth resistor R8 and one end of a fifteenth resistor R15, respectively, and the other end of the eighth resistor R8 is connected to the other end of the fourth capacitor C4 and the other end of the seventh capacitor C7, respectively, and is grounded.
Preferably, the using method comprises the following steps:
A. when the transmitting short section detection tool receives data, a receiving magnetic rod senses a signal, the signal is amplified, high-pass filtered, low-pass filtered and amplified again by the signal processing unit, the signal is sent to the MCU unit and is restored into received measurement data, the data is sent to the liquid crystal display screen through the 485 communication unit, the data set is displayed through the liquid crystal display screen, and meanwhile, the signal intensity is displayed;
B. the second MCU unit is provided with a certain interval for sending specific data, the data is sent out to the near-bit receiving short section through the transmitting magnetic bar, and meanwhile, the specific data is displayed and the data is displayed and sent out through the 485 communication unit. After receiving the nipple joint and receiving data, can send out through wireless transmission nipple joint automatically, use nearly drill bit transmission nipple joint detection frock in wireless transmission nipple joint department, can show received data and signal strength.
Compared with the prior art, the invention has the beneficial effects that: the invention is convenient to operate, does not need to pull a distance test, and represents different communication distances by adjusting different gears; the received data does not need to be watched by a computer, and the data can be directly observed through a liquid crystal display screen on the detection tool.
Drawings
FIG. 1 is a schematic structural view of a near-bit launch pup joint detection tool of the invention;
FIG. 2 is a block diagram of a first signal processing board control scheme according to the present invention;
FIG. 3 is a schematic structural view of a near-bit receiving short section detection tool of the present invention;
FIG. 4 is a block diagram of a second signal processing board control scheme according to the present invention;
fig. 5 is a control schematic block diagram of the first signal processing unit according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be configured in a specific orientation, and operate, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides a technical solution: a near-bit rapid detection device comprises a near-bit transmitting short section detection tool and a near-bit receiving short section detection tool, wherein the near-bit transmitting short section detection tool comprises a first outer shell 1, and a first liquid crystal display 2, a first switch 3, a first charging interface 4, a first charging indicator lamp 5 and a distance setting gear 6 are installed on the front end surface of the first outer shell 1; the first signal processing board 7 of 1 inner chamber installation of first shell body, install first MCU unit 8, first signal processing unit 9, receive bar magnet 10, first 485 communication unit 11, first battery 12 and first battery charge-discharge protection unit 13 on the first signal processing board 7, receive bar magnet 10 and connect first MCU unit 8 through first signal processing unit 9, first liquid crystal display 2 is connected through first 485 communication unit 11 to first MCU unit 8, first power processing unit 26 is connected to first MCU unit 8, first liquid crystal display 2, first signal processing unit 9, first 485 communication unit 11 are connected respectively to first power processing unit 26, first battery charge-discharge protection unit 13 is connected through first battery 12 to first power processing unit 26.
The near-bit receiving short section detection tool comprises a second outer shell 14, wherein a second liquid crystal display screen 15, a second switch 16, a second charging interface 17 and a second charging indicator lamp 18 are arranged on the front end face of the second outer shell 14; the second signal processing board 19 is installed in the inner cavity of the second housing 14, the second signal processing board 19 is provided with a second MCU unit 20, a second signal processing unit 21, a transmitting magnetic rod 22, a second 485 communication unit 23, a second battery 24 and a second battery charging and discharging protection unit 25, the transmitting magnetic rod 22 is connected with the second MCU unit 20 through the second signal processing unit 21, the second MCU unit 20 is connected with the second liquid crystal display screen 15 through the second 485 communication unit 23, the second MCU unit 20 is connected with a second power supply processing unit 27, the second power supply processing unit 27 is respectively connected with the second liquid crystal display screen 15, the second signal processing unit 21 and the second 485 communication unit 23, and the second power supply processing unit 27 is connected with the second battery charging and discharging protection unit 25 through a second battery (24).
According to the invention, a first signal processing unit comprises a first operational amplifier U1, a second operational amplifier U2, a third operational amplifier U3, a fourth operational amplifier U4 and a fifth operational amplifier U5, wherein the positive electrode input end of the first operational amplifier U1 is connected with one end of a first resistor R1, the negative electrode input end of the first operational amplifier U1 is respectively connected with one end of a second resistor R2 and one end of a fifth resistor R5, the other end of the second resistor R2 is grounded, the output end of the first operational amplifier U1 is connected with the other end of the fifth resistor R5, the other end of the first resistor R1 is respectively connected with the output end of the fourth operational amplifier U4 and one end of a twelfth resistor R12, the other end of the twelfth resistor R12 is connected with the positive electrode input end of the fifth operational amplifier U5, the negative electrode input end of the fifth operational amplifier U5 is respectively connected with one end of a seventeenth resistor R17 and one end of an eighteenth resistor R18, the other end of the seventeenth resistor R17 is grounded, and the other end of the eighteenth resistor R18 is connected with the output end of the fifth operational amplifier U5; the positive input end of a fourth operational amplifier U4 is respectively connected with one end of an eleventh resistor R11 and one end of an eighth capacitor C8, the other end of the eighth capacitor C8 is grounded, the negative input end of the fourth operational amplifier U4 is connected with the output end, the other end of the eleventh resistor R11 is connected with one end of a tenth resistor R10, the other end of the tenth resistor R10 is respectively connected with one end of a first capacitor C1 and one end of a ninth resistor R9, and the other end of the first capacitor C1 is connected with the output end of the fourth operational amplifier U4; the positive electrode input end of a third operational amplifier U3 is respectively connected with one end of a sixth capacitor C6 and one end of a thirteenth resistor R13, the negative electrode input end is connected with the output end, the other end of the thirteenth resistor R13 is grounded through a sixteenth resistor R16, the other end of the sixth capacitor C6 is respectively connected with one end of a fifth capacitor C5 and one end of a third resistor R3, and the other end of the third resistor R3 is connected with the output end of the third operational amplifier U3 through a fourth resistor R4; the positive input end of the second operational amplifier U2 is connected with one end of a seventh resistor R7, the other end of the seventh resistor R7 is respectively connected with one end of a second capacitor C2, one end of a third capacitor C3, one end of a fourth capacitor C4 and one end of the seventh capacitor C7, the negative input end of the second operational amplifier U2 is respectively connected with one end of an eighth resistor R8 and one end of a fifteenth resistor R15, and the other end of the eighth resistor R8 is respectively connected with the other end of the fourth capacitor C4 and the other end of the seventh capacitor C7 and grounded. Wherein, the second signal processing unit is different from the first signal processing unit in that: the second signal processing unit is not provided with an operational amplifier and is not used for amplifying the signal.
The working principle is as follows: the using method of the invention comprises the following steps:
A. after the transmitting short section detection tool receives data, a receiving magnetic rod senses a signal, the signal is amplified, high-pass filtered, low-pass filtered and amplified again by the signal processing unit and then sent to the MCU unit, the MCU unit restores the signal into received measurement data, the data is sent to the liquid crystal display screen through the 485 communication unit, the data of the group is displayed through the liquid crystal display screen, and meanwhile, the signal intensity is displayed;
B. the second MCU unit sets up certain interval and sends specific data, and this data sends out for nearly drill bit receiving nipple joint through the transmission bar magnet, simultaneously through 485 communication unit for liquid crystal display, demonstrate this specific data to the display data has been sent. After receiving the nipple joint and receiving data, can send out through wireless transmission nipple joint automatically, use nearly drill bit transmission nipple joint detection frock in wireless transmission nipple joint department, can show received data and signal strength.
In conclusion, the invention is convenient to operate, does not need to pull a distance test, and represents different communication distances by adjusting different gears; the received data does not need to be watched by a computer, and the data can be directly watched through a liquid crystal display screen on the detection tool.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a nearly drill bit short-term test device which characterized in that: the device comprises a near-bit transmitting short section detection tool and a near-bit receiving short section detection tool, wherein the near-bit transmitting short section detection tool comprises a first outer shell (1), a first liquid crystal display (2), a first switch (3), a first charging interface (4), a first charging indicator lamp (5) and a distance setting gear (6) are installed on the front end face of the first outer shell (1); a first signal processing board (7) is installed in an inner cavity of the first outer shell (1), a first MCU unit (8), a first signal processing unit (9), a receiving magnetic rod (10), a first 485 communication unit (11), a first battery (12) and a first battery charging and discharging protection unit (13) are installed on the first signal processing board (7), the receiving magnetic rod (10) is connected with the first MCU unit (8) through the first signal processing unit (9), the first MCU unit (8) is connected with the first liquid crystal display screen (2) through the first 485 communication unit (11), the first MCU unit (8) is connected with a first power supply processing unit (26), the first power supply processing unit (26) is respectively connected with the first liquid crystal display screen (2), the first signal processing unit (9) and the first 485 communication unit (11), and the first power supply processing unit (26) is connected with the first battery charging and discharging protection unit (13) through the first battery (12);
the near-bit receiving short section detection tool comprises a second outer shell (14), wherein a second liquid crystal display screen (15), a second switch (16), a second charging interface (17) and a second charging indicator lamp (18) are mounted on the front end face of the second outer shell (14); second signal processing board (19) is installed to second casing (14) inner chamber, install second MCU unit (20), second signal processing unit (21), transmission bar magnet (22), second 485 communication unit (23), second battery (24) and second battery charge and discharge protection unit (25) on second signal processing board (19), second MCU unit (20) is connected through second signal processing unit (21) transmission bar magnet (22), second liquid crystal display (15) is connected through second 485 communication unit (23) second MCU unit (20), second power processing unit (27) is connected in second MCU unit (20), second liquid crystal display (15), second signal processing unit (21), second 485 communication unit (23) are connected respectively in second power processing unit (27), second battery charge and discharge protection unit (25) are connected through second battery (24) in second power processing unit (27).
2. The near-bit rapid detection device according to claim 1, wherein: the first signal processing unit comprises a first operational amplifier (U1), a second operational amplifier (U2), a third operational amplifier (U3), a fourth operational amplifier (U4) and a fifth operational amplifier (U5), wherein the positive electrode input end of the first operational amplifier (U1) is connected with one end of a first resistor (R1), the negative electrode input end of the first operational amplifier (U1) is connected with one end of a second resistor (R2) and one end of a fifth resistor (R5) respectively, the other end of the second resistor (R2) is grounded, the output end of the first operational amplifier (U1) is connected with the other end of the fifth resistor (R5), the other end of the first resistor (R1) is connected with the output end of the fourth operational amplifier (U4) and one end of a twelfth resistor (R12), the other end of the twelfth resistor (R12) is connected with the positive electrode input end of the fifth operational amplifier (U5), the negative electrode input end of the fifth operational amplifier (U5) is connected with one end of a seventeenth resistor (R17) and one end of an eighteenth resistor (R18) respectively, the other end of the seventeenth operational amplifier (R17) is grounded, and the other end of the eighteenth resistor (R18) is connected with the output end of the eighteenth operational amplifier (U5).
3. The near-bit rapid detection device according to claim 2, wherein: fourth operational amplifier (U4) positive input end connects eleventh resistance (R11) one end and eighth electric capacity (C8) one end respectively, eighth electric capacity (C8) other end ground connection, fourth operational amplifier (U4) negative pole input end connection output, tenth resistance (R10) one end is connected to the eleventh resistance (R11) other end, and first electric capacity (C1) one end and ninth resistance (R9) one end are connected respectively to the tenth resistance (R10) other end, and fourth operational amplifier (U4) output is connected to the first electric capacity (C1) other end.
4. The near-bit rapid detection device according to claim 2, wherein: sixth electric capacity (C6) one end and thirteenth resistance (R13) one end are connected respectively to third operational amplifier (U3) positive input end, and the negative pole input is connected with the output, thirteenth resistance (R13) other end is through sixteenth resistance (R16) ground connection, fifth electric capacity (C5) one end and third resistance (R3) one end are connected respectively to the sixth electric capacity (C6) other end, and third operational amplifier (U3) output is connected through fourth resistance (R4) to the third resistance (R3) other end.
5. The near-bit rapid detection device according to claim 2, wherein: the positive electrode input end of the second operational amplifier (U2) is connected with one end of a seventh resistor (R7), the other end of the seventh resistor (R7) is connected with one end of a second capacitor (C2), one end of a third capacitor (C3), one end of a fourth capacitor (C4) and one end of a seventh capacitor (C7) respectively, the negative electrode input end of the second operational amplifier is connected with one end of an eighth resistor (R8) and one end of a fifteenth resistor (R15) respectively, and the other end of the eighth resistor (R8) is connected with the other end of the fourth capacitor (C4) and the other end of the seventh capacitor (C7) respectively and is grounded.
6. The use method for realizing the near-bit rapid detection device of claim 1 is characterized in that: the using method comprises the following steps:
A. after the transmitting short section detection tool receives data, a receiving magnetic rod senses a signal, the signal is amplified, high-pass filtered, low-pass filtered and amplified again by the signal processing unit and then sent to the MCU unit, the MCU unit restores the signal into received measurement data, the data is sent to the liquid crystal display screen through the 485 communication unit, the data of the group is displayed through the liquid crystal display screen, and meanwhile, the signal intensity is displayed;
B. the second MCU unit is arranged at a certain interval to send specific data, the data are sent out to the near bit receiving short section through the transmitting magnetic bar, and meanwhile, the specific data are displayed and the data are sent out through the 485 communication unit to the liquid crystal display screen; after receiving the nipple joint and receiving data, can send out through wireless transmission nipple joint automatically, use nearly drill bit transmission nipple joint detection frock in wireless transmission nipple joint department, can show received data and signal strength.
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| "MWD通信***模拟与检测";张伟强;《中国优秀硕士论文全文库工程科技I辑》;20130215(第2期);全文 * |
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