CN110857622A - Directional drill back-dragging pore passage foreign matter alarm device - Google Patents
Directional drill back-dragging pore passage foreign matter alarm device Download PDFInfo
- Publication number
- CN110857622A CN110857622A CN201810937779.8A CN201810937779A CN110857622A CN 110857622 A CN110857622 A CN 110857622A CN 201810937779 A CN201810937779 A CN 201810937779A CN 110857622 A CN110857622 A CN 110857622A
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- China
- Prior art keywords
- detector
- monitoring terminal
- foreign matter
- dragging
- middle shaft
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Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP 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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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/09—Locating or determining the position of objects in boreholes or wells, e.g. the position of an extending arm; Identifying the free or blocked portions of pipes
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- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/12—Means for transmitting measuring-signals or control signals from the well to the surface, or from the surface to the well, e.g. for logging while drilling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
Abstract
The invention provides a directional drill back-dragging hole passage foreign matter alarm device, which comprises a front centralizer, a multifunctional detector, a middle shaft and a monitoring terminal, wherein a miniature metal detector is embedded in the front centralizer, a detected electromagnetic signal is converted into an electric signal, the multifunctional detector is internally provided with an ultrasonic detector, a microphone and a gravity sensor, the ultrasonic detector transmits an ultrasonic signal to a hole wall and converts a received reflected wave signal into the electric signal, the microphone collects sound signals around the multifunctional detector in real time and converts the sound signals into the electric signal, the gravity sensor senses the vibration condition of the multifunctional detector in real time and converts the vibration into the electric signal, the communication device transmits the signals to the monitoring terminal, and the monitoring terminal processes and displays data. The directional drilling back-dragging hole passage foreign matter alarm device comprehensively analyzes and identifies foreign matters threatening back-dragging operation in a hole passage, and provides reference basis for next operation.
Description
Technical Field
The invention relates to the technical field of oil field drilling, in particular to a directional drilling back-dragging pore passage foreign matter alarm device.
Background
In the process of directional drilling, hard stones or foreign matters made of other materials are sometimes encountered, and sometimes the foreign matters cannot touch the drill bit but hinder back dragging; sometimes the drill bit can change direction a little and continue to advance after striking the foreign matter, and when rig power was great, this striking process was hardly surveyed by ground operating personnel, nevertheless in the pipeline back-dragging process, because the foreign matter self is harder, light then destroys the anticorrosive coating, heavy then causes the pipeline to warp, leads to the fact the ball to fail. In the chinese patent application with the application number CN201410838154.8, a directional drilling hole measuring device and a directional drilling hole section measuring and detecting system and method in the application are both related to the detection of the hole during the drilling process, and because the diameter of the drill bit itself is smaller than the diameter of the back dragging hole, sometimes the foreign matter is not in the hole range of the drill bit, but in the hole range after the hole expansion, the back dragging is hindered, and the occurrence of the situation can not be avoided by the directional drilling hole measuring device and the directional drilling hole section measuring and detecting system. There is no forewarning capability for high density objects or metal-containing products (such as reinforced concrete piles) distributed outside the borehole and within the back-haul tunnel, which may pose a significant threat to the pipeline back-haul operation. Therefore, a novel directional drill back-dragging pore passage foreign matter alarm device is invented, and the technical problems are solved.
Disclosure of Invention
The invention aims to provide a foreign matter alarm device for a directional drill back-dragging pore passage, which improves the accuracy of foreign matter detection and judgment, avoids pipeline damage and saves the construction period.
The object of the invention can be achieved by the following technical measures: the directional drill back-dragging hole passage foreign matter alarm device comprises a preposed centralizer, a multifunctional detector, a middle shaft and a monitoring terminal, wherein the front end of the middle shaft is connected with a reamer, the rear end of the middle shaft is connected with a drill rod, a communication device is arranged in the middle shaft, the preposed centralizer is fixed on the middle shaft, a micro metal detector is embedded in the edge of the middle shaft and connected with the communication device, detected electromagnetic signals are converted into electric signals to be transmitted to the communication device, the multifunctional detector is fixed on the middle shaft, an ultrasonic detector, a microphone and a gravity sensor are arranged in the middle shaft, the ultrasonic detector is connected with the communication device, transmits ultrasonic signals to the hole wall, converts received reflected wave signals into electric signals to be transmitted to the communication device, the microphone is connected with the communication device, and collects sound signals around the multifunctional detector in real time, convert it into the signal of telecommunication to give this communication device, this gravity inductor connects in this communication device, and the vibration condition of real-time response multi-functional detector to convert the vibration into the signal of telecommunication and give this communication device, this communication device connects in this monitor terminal, with above-mentioned each signal of telecommunication transmission to this monitor terminal, carry out the processing and the demonstration of data by this monitor terminal.
The directional drill back-dragging hole foreign matter alarm device also comprises a rear centralizer, the diameter of the rear centralizer and the diameter of the reamer are the same, the rear centralizer and the reamer are two cylinders with conical bottoms and are fixed on the middle shaft, the installation position is positioned behind the multifunctional detector and in front of the drill rod, and the rear centralizer and the front centralizer are matched to keep the position of the multifunctional detector on the hole middle axis.
The central shaft adopts a hollow tube structure, the prepositive centralizer, the multifunctional detector and the postpositive centralizer are sequentially fixed, the prepositive centralizer is two cylinders with conical bottom surfaces, holes are formed in the tube wall of the central shaft at the joint part of the central shaft, the prepositive centralizer and the multifunctional detector, cables and signal wires of the communication device in the central shaft are connected with the miniature metal detector in the prepositive centralizer, the ultrasonic detector in the multifunctional detector, the microphone and the gravity sensor through the holes in the tube wall of the central shaft, and power is supplied to the detectors.
The communication device is connected with the monitoring terminal on the ground in a wired or wireless communication mode.
The monitoring terminal processes the received electric signal containing the reflected wave information to generate an ultrasonic image, and the ultrasonic image is displayed on a display of the monitoring terminal.
The monitoring terminal restores the received electric signals containing the sound wave information into sound to be played for monitoring personnel.
The monitoring terminal carries out data processing on the electric signals containing the sound wave information to generate a time-amplitude sound wave curve which is displayed on a display of the monitoring terminal so as to be further checked and analyzed by monitoring personnel.
The monitoring terminal carries out data processing on the electric signal containing the vibration information to generate a time-vibration curve, and the time-vibration curve is displayed on a display of the monitoring terminal.
The monitoring terminal carries out data processing on the electric signal containing the electromagnetic information to generate a time-intensity curve graph which is displayed on a display of the monitoring terminal in real time.
When the intensity reaches a set threshold value, the monitoring terminal sends out an acousto-optic alarm signal to remind monitoring personnel to pay attention.
According to the directional drilling back-dragging hole passage foreign matter alarm device, the metal detector, the ultrasonic detector, the microphone and the gravity sensor are comprehensively applied together, so that the accuracy of foreign matter detection and judgment is improved; the method has the advantages that the hole channel is detected after the hole expansion, the hole channel is the hole channel through which the back-dragging pipeline passes, if the foreign matter is detected, the back-dragging pipeline is determined to be damaged after analysis, the operation can be directly interrupted, the subsequent flow is entered, and the construction period is saved while the pipeline is prevented from being damaged. The device has the following advantages:
1. the method directly detects the expanded pore canals, and eliminates the uncertainty of the back dragging operation caused by the detection blind area of the drill pore canal detection system.
2. The reamer can be hung behind the reamer and is synchronously operated with reaming operation, and the influence on the construction period is small.
3. The collected information is rich in types, identification is facilitated, and decision making is facilitated.
Drawings
FIG. 1 is a front view of an embodiment of the directional drill back-dragging tunnel foreign matter alarm device of the present invention;
FIG. 2 is a left side view of an embodiment of the directional drilling back-dragging tunnel foreign matter alarm device of the present invention;
fig. 3 is a top view of an embodiment of the directional back-drilled tunnel foreign matter alarm device of the present invention.
Detailed Description
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Fig. 1 to 3 show the structure of the directional drill back dragging hole foreign matter alarm device of the invention. The directional drill back-dragging hole passage foreign matter alarm device is composed of a front centralizer 2, a multifunctional detector 3, a middle shaft 1, a rear centralizer 4 and a monitoring terminal 5.
The multifunctional detector 3, the front centralizer 2 and the rear centralizer 4 are fixed together by the middle shaft 1. The front end is connected with a reamer, and the rear end is connected with a drill rod. Adopts a hollow tube structure, and is internally provided with a communication device. The communication device is provided with a cable and a signal wire. Holes are arranged on the wall of the middle shaft pipe at the joint of the middle shaft 1 and the front centralizer 2 and the multifunctional detector 3, and cables and signal wires of a communication device in the middle shaft 1 are connected with the miniature metal detector arranged in the front centralizer 2 and the ultrasonic detector, the microphone and the gravity sensor arranged in the multifunctional detector 3 through the holes on the wall of the middle shaft 1 to supply power to the detectors, collect signals acquired by the detectors and transmit the signals to a monitoring terminal 5 positioned on the ground through the communication device. The communication device can select wired or wireless communication modes according to actual conditions of a construction site. When a wired communication mode is adopted, the communication device is connected with the monitoring terminal 5 positioned on the ground through a cable and a signal wire, and the cable and the signal wire penetrate through the inner space of the drill rod and the middle shaft to connect the detectors with the monitoring terminal 5; when the wireless communication mode is adopted, the communication device converts the signals obtained by each detector into wireless signals through the wireless signal transmitter to be transmitted, and then the wireless signals are received by the wireless signal receiver connected with the monitoring terminal 5 and transmitted to the monitoring terminal 5.
The front centralizer 2 and the reamer have the same diameter, two cylinders with conical bottom surfaces are fixed on the middle shaft 1, and the mounting position is behind the reamer and in front of the multifunctional detector 3. The edge embedded miniature metal detector is connected with the communication device in the middle shaft 1, the acquired signal is transmitted to the monitoring terminal 5 through the communication device in the middle shaft 1, the signal is processed into a time-intensity curve diagram by the monitoring terminal 5 and is displayed on a display of the monitoring terminal 5 in real time, and when the intensity reaches a set threshold value, the monitoring terminal 5 sends out an acousto-optic alarm signal to remind monitoring personnel of paying attention.
The multifunctional detector 3 is internally provided with an ultrasonic detector, a microphone and a gravity sensor. The ultrasonic detector transmits ultrasonic signals to the hole wall by using an ultrasonic imaging principle, received reflected wave signals are converted into electric signals, the electric signals are transmitted to the monitoring terminal 5 through the communication device in the middle shaft 1, the electric signals are processed into ultrasonic images by the monitoring terminal 5, and the ultrasonic images are displayed on a display of the monitoring terminal 5. The microphone collects sound signals around the multifunctional detector 3 in real time, converts the sound signals into electric signals, transmits the signals to the monitoring terminal 5 through the communication device in the middle shaft 1, and the monitoring terminal 5 restores the electric signals into sound to be played for monitoring personnel; meanwhile, the sound signal is processed into a time-amplitude sound wave curve by the monitoring terminal 5 and displayed on a display of the monitoring terminal 5 for further viewing and analysis by monitoring personnel. The gravity sensor senses the vibration condition of the multifunctional detector in real time, transmits signals to the monitoring terminal 5 through the communication device in the middle shaft 1, and the signals are processed into a time-vibration curve by the monitoring terminal 5 and displayed on a display of the monitoring terminal 5.
The rear centralizer 4 and the reamer have the same diameter, two cylinders with conical bottom surfaces are fixed on the middle shaft 1, and the mounting position is behind the multifunctional detector 3 and in front of the drill stem. The rear centralizer 4 and the front centralizer 2 can be matched to keep the position of the multifunctional detector 3 on the central axis of the hole.
The monitoring terminal 5 is a signal receiving and transmitting, information processing and real-time monitoring system arranged on the earth surface.
When the directional drill back-dragging hole foreign matter alarm device operates, the directional drill back-dragging hole foreign matter alarm device is arranged behind the reamer and moves forward along with the reamer. The multifunctional detector is arranged behind the front centralizer and moves forward along with the reamer, and the multifunctional detector detects the back-dragging pore passage by using ultrasonic waves in the moving forward process. And sound information in the reaming process is acquired by using the microphone, and the running condition of underground equipment and foreign matter impact events can be monitored after noise is filtered. And the gravity sensor is used for recording the displacement information of the detector to assist in identifying the foreign matter impact event. The detection data are transmitted back to the monitoring terminal in real time by the aid of the communication device and are automatically analyzed to form an ultrasonic image, a sound wave waveform curve and a gravity sensing curve, when an anomaly is found, an alarm is automatically sent out, the size and the density of the foreign matter are calculated according to ultrasonic detection data, the combination fastening degree of the foreign matter and the periphery is judged according to the dynamic characteristics of the foreign matter when the centralizer passes through, the influence of the foreign matter on the back dragging is comprehensively evaluated, and then the next step measure is determined, so that when the damage of the back dragging on the pipeline is avoided, the unnecessary construction period loss can be avoided.
The directional drilling back-dragging hole passage foreign matter alarm device comprehensively uses a metal detector, an ultrasonic detector, a microphone and a gravity sensor to detect a hole passage after directional drilling and reaming (the metal detector is used to detect the hole passage after directional drilling and reaming and detect whether metal matters exist or not, the ultrasonic detector is used to obtain an ultrasonic image of the hole passage, the microphone is used to monitor sound in an underground hole passage in the detection process and obtain a sound wave waveform curve, the gravity sensor is used to dynamically monitor the displacement of the multifunctional detector), foreign matters threatening back-dragging operation in the hole passage are comprehensively analyzed and identified, and reference basis is provided for next operation.
Claims (10)
1. The directional drill back-dragging hole passage foreign matter alarm device is characterized by comprising a preposed centralizer, a multifunctional detector, a middle shaft and a monitoring terminal, wherein the front end of the middle shaft is connected with a reamer, the rear end of the middle shaft is connected with a drill rod, a communication device is arranged in the middle shaft, the preposed centralizer is fixed on the middle shaft, a micro metal detector is embedded in the edge of the middle shaft and connected with the communication device, detected electromagnetic signals are converted into electric signals to be transmitted to the communication device, the multifunctional detector is fixed on the middle shaft, an ultrasonic detector, a microphone and a gravity sensor are arranged in the middle shaft, the ultrasonic detector is connected with the communication device, transmits ultrasonic signals to the hole wall, converts received reflected wave signals into electric signals to be transmitted to the communication device, the microphone is connected with the communication device, and collects sound signals around the multifunctional detector in real time, convert it into the signal of telecommunication to give this communication device, this gravity inductor connects in this communication device, and the vibration condition of real-time response multi-functional detector to convert the vibration into the signal of telecommunication and give this communication device, this communication device connects in this monitor terminal, with above-mentioned each signal of telecommunication transmission to this monitor terminal, carry out the processing and the demonstration of data by this monitor terminal.
2. The directional drilling back-dragging tunnel foreign matter alarm device according to claim 1, further comprising a rear centralizer, wherein the rear centralizer has the same diameter as the reamer, is two cylinders with conical bottoms and is fixed on the central shaft, and is installed behind the multifunctional detector and in front of the drill stem, and the rear centralizer is matched with the front centralizer to keep the position of the multifunctional detector on the tunnel central axis.
3. The directional drill back-dragging hole passage foreign matter alarm device according to claim 2, wherein the middle shaft adopts a hollow tube structure, the front centralizer, the multifunctional detector and the rear centralizer are sequentially fixed, the front centralizer is two cylinders with conical bottom surfaces, holes are formed in the tube wall of the middle shaft at the joint of the middle shaft and the front centralizer as well as the multifunctional detector, and cables and signal wires of the communication device in the middle shaft tube are connected with the miniature metal detector and the ultrasonic detector, the microphone and the gravity sensor which are arranged in the front centralizer and the multifunctional detector through the holes in the tube wall of the middle shaft to supply power to the detectors.
4. The directional drill back-dragging hole foreign matter alarm device according to claim 1, wherein the communication device is connected with the monitoring terminal on the ground through two communication modes, namely wired communication and wireless communication.
5. The directional drill back-dragging tunnel foreign matter alarm device according to claim 1, wherein the monitoring terminal processes the received electrical signal containing the reflected wave information to generate an ultrasonic image, and the ultrasonic image is displayed on a display of the monitoring terminal.
6. The directional drill back-dragging tunnel foreign matter alarm device according to claim 1, wherein the monitoring terminal restores the received electric signal containing the sound wave information into sound for being played for monitoring personnel.
7. The directional drill back-dragging hole foreign matter alarm device according to claim 1, wherein the monitoring terminal performs data processing on an electric signal containing sound wave information to generate a time-amplitude sound wave curve, and the time-amplitude sound wave curve is displayed on a display of the monitoring terminal for further viewing and analysis by monitoring personnel.
8. The directional drill back-dragging hole foreign matter alarm device according to claim 1, wherein the monitoring terminal performs data processing on an electric signal containing vibration information to generate a time-vibration curve, and the time-vibration curve is displayed on a display of the monitoring terminal.
9. The directional drilling back-dragging hole foreign matter alarm device according to claim 1, wherein the monitoring terminal performs data processing on an electric signal containing electromagnetic information to generate a time-intensity curve graph, and the time-intensity curve graph is displayed on a display of the monitoring terminal in real time.
10. The directional drill back-dragging tunnel foreign matter alarm device according to claim 9, wherein when the intensity reaches a set threshold value, the monitoring terminal sends out an audible and visual alarm signal to remind monitoring personnel to pay attention.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810937779.8A CN110857622B (en) | 2018-08-16 | 2018-08-16 | Alarm device for foreign matter in back dragging hole of directional drilling |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810937779.8A CN110857622B (en) | 2018-08-16 | 2018-08-16 | Alarm device for foreign matter in back dragging hole of directional drilling |
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| CN110857622A true CN110857622A (en) | 2020-03-03 |
| CN110857622B CN110857622B (en) | 2023-06-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113060099A (en) * | 2021-04-06 | 2021-07-02 | 湖南汽车工程职业学院 | Intelligent induction type automobile gap cleaning system and computer storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113060099A (en) * | 2021-04-06 | 2021-07-02 | 湖南汽车工程职业学院 | Intelligent induction type automobile gap cleaning system and computer storage medium |
| CN113060099B (en) * | 2021-04-06 | 2022-08-09 | 湖南汽车工程职业学院 | Intelligent induction type automobile gap cleaning system and computer storage medium |
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| CN110857622B (en) | 2023-06-23 |
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