CN111667380A - Cutting visualization auxiliary device and method for oil and gas well emergency rescue - Google Patents
Cutting visualization auxiliary device and method for oil and gas well emergency rescue Download PDFInfo
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- 238000005520 cutting process Methods 0.000 title claims abstract description 59
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000012800 visualization Methods 0.000 title claims abstract description 20
- 238000012545 processing Methods 0.000 claims abstract description 25
- 238000012544 monitoring process Methods 0.000 claims abstract description 18
- 238000005259 measurement Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
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- 238000007794 visualization technique Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 2
- 238000005488 sandblasting Methods 0.000 claims description 2
- 229910052594 sapphire Inorganic materials 0.000 claims description 2
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- 230000003313 weakening effect Effects 0.000 claims description 2
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- 239000007788 liquid Substances 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 239000003595 mist Substances 0.000 description 4
- 238000005422 blasting Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
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- 230000007812 deficiency Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 239000003209 petroleum derivative Substances 0.000 description 1
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Abstract
The invention provides a cutting visualization auxiliary device and method for oil and gas well emergency rescue. The auxiliary device may include: the system comprises an image monitoring system, a gap measuring system and an image processing system, wherein the image monitoring system comprises an image acquisition unit and a dispersing unit, the image acquisition unit can acquire images of emergency sites, and the dispersing unit can disperse or weaken the interference phenomenon on image acquisition roads; the clearance measurement system can measure the distance between the cutting head and the wellhead; the image processing system can process the collected images and the measured distances and obtain clear images and wellhead geometric information. The method can comprise the visualization operation by adopting the auxiliary device. The beneficial effects of the invention can include: in the complex environment after the blowout is out of control, clear image images and wellhead measurement information can be provided, the cutting and obstacle clearing operation efficiency can be effectively improved, the residence time of commanders in dangerous areas is reduced, and the safety of emergency operation is further improved.
Description
Technical Field
The invention relates to the technical field of petroleum and natural gas exploration and development, in particular to a visual auxiliary cutting device and method in emergency operation of oil and gas wells.
Background
In the process of oil and gas field development, blowout out-of-control accidents can occur in the processes of well drilling, oil testing, gas testing and oil gas production, and after the blowout is out-of-control and on fire, because the pressure of oil gas in the well is high, the yield is high, the fire is violent, and a derrick, a drilling machine, a drilling tool, a wellhead device, a diesel engine, a drilling pump, a solid control device and the like are burnt out. The equipment, instruments and material equipment around the well head are burnt by big fire and deformed, and are accumulated in the well site, and the well head device loses the control capability of stratum oil gas. In order to effectively control the runaway fire of the blowout, the obstacle clearing and cutting must be carried out, the derrick, the drilling machine and other equipment around the wellhead are cleared, the burnt old wellhead device is removed, and a new wellhead device is installed again, so that the wellhead is controlled again. On one hand, because of the sight interference factors such as burning fire, dense smoke, water mist and the like existing at the position of the well mouth, the observation accuracy is not enough, and errors are easy to occur during cutting; on the other hand, dangerous factors such as wind direction change and wellhead puncture cause observers to face extremely high safety risks, and the observation duration is very limited. Therefore, the emergency cutting work is slow in progress and low in efficiency.
Disclosure of Invention
In view of the deficiencies in the prior art, it is an object of the present invention to address one or more of the problems in the prior art as set forth above. For example, one of the objectives of the present invention is to provide a cutting visualization aid and method for oil and gas well emergency to reduce the risk of emergency work.
The invention provides a visual auxiliary cutting device for oil and gas well emergency rescue.
The auxiliary device may include: the image monitoring system comprises an image acquisition unit and a dispersing unit, wherein the image acquisition unit can acquire images of an emergency site, and the dispersing unit can disperse or weaken the interference phenomenon on an image acquisition road of the image acquisition unit, wherein the images of the emergency site comprise images of cut objects, and the interference phenomenon comprises at least one of smoke, flame and water; the gap measuring system can measure the distance between the cutting head and the cut object; the image processing system can process the acquired image and the measured distance and obtain a clear image and geometric information of the cut object, wherein the geometric information of the cut object comprises at least one of geometric size, angle information and spatial distance of the cut object, and the spatial distance is the distance between the cutting head and the cut object.
In another aspect, the invention provides a visualization method for oil and gas well emergency rescue.
The method may comprise the steps of: dispersing or weakening an interference phenomenon on a blowout runaway site to obtain a clean observation channel, wherein the interference phenomenon comprises at least one of smoke, flame and water; collecting an image of the cut object by using the clean observation channel; measuring a distance between the cutting head and the object to be cut; and processing the acquired image and the measured distance, and obtaining a clear image and geometric information of the cut object, wherein the geometric information of the cut object comprises at least one of the geometric size, the angle information and the spatial distance of the cut object, and the spatial distance is the distance between the cutting head and the cut object.
Compared with the prior art, the beneficial effects of the invention can include: the invention can provide basically clear image images and wellhead measurement information in the complex environment of high temperature, smog and water spraying at the wellhead after the blowout is out of control, can effectively improve the cutting and obstacle clearing operation efficiency, reduce the retention time of commanders in dangerous areas and further improve the safety of emergency operation.
Drawings
The above and other objects and features of the present invention will become more apparent from the following description taken in conjunction with the accompanying drawings, in which:
fig. 1 shows a schematic structural view of a cutting visualization aid for oil and gas well emergency of the present invention;
FIG. 2 shows another schematic structural view of the cutting visualization aid for oil and gas well emergency of the present invention;
description of the main reference numerals:
10-an image monitoring system, 11-a rain cover, 12-a high-pressure centrifugal fan unit, 13-a rotating mechanism, 14-a high-definition camera, 15-an azimuth platform, 16-a control cabinet and 17-an equipment fixing plate; 20-a clearance measurement system; 30-an image processing system; 40-cutting the liquid supply pipeline by hydraulic sand blasting; 50-object to be cut.
Detailed Description
Hereinafter, the cutting visualization assisting device and the visualization method for oil and gas well emergency will be described in detail with reference to the accompanying drawings and exemplary embodiments.
The invention provides a visual auxiliary cutting device for oil and gas well emergency rescue.
In one exemplary embodiment of the cutting visualization aid for oil and gas well emergency of the present invention, as shown in fig. 1, the device may comprise: an image monitoring system 10, a gap measurement system 20, and an image processing system 30.
The image monitoring system 10 may include an image acquisition unit and a scatter unit. Wherein, the dispersing unit can disperse or weaken the interference phenomenon on the image acquisition road, and the interference phenomenon can comprise at least one of smoke, flame and water, such as dense smoke, water mist, drenching water and the like. The image acquisition unit can acquire an image of the emergency site, and the image of the emergency site can include an image of a cut object, such as an image of a wellhead, which necessarily includes an image of wellhead equipment. For example, after the dispersion unit disperses the interference phenomenon, the image acquisition unit 11 can acquire a clearer image of the wellhead equipment.
The gap measuring system 20 is capable of measuring the distance between the cutting head and the object being cut. The cut object can comprise various wellhead device combinations and is made of metal. The object being cut may also be referred to as a well head, well head equipment or well head assembly.
The image processing system 30 is capable of processing the acquired images and the measured distances and obtaining clear images and well head geometry information. Wherein the geometric information of the wellhead may include at least one of a geometric dimension and a position parameter of the wellhead equipment, the position parameter including an angle parameter of the wellhead device and a distance parameter between the wellhead device and the cutting head.
In another exemplary embodiment of the cutting visualization aid for oil and gas well emergency of the present invention, fig. 2 shows a schematic view of the cutting visualization aid for oil and gas well emergency, wherein (a) illustrates a schematic view of the image monitoring system 10, (b) illustrates an installation schematic view of the clearance measurement system 20, (c) illustrates a schematic view of the object 50 to be cut, and (d) illustrates a schematic view of the image processing system 30.
As shown in fig. 2, the cutting visualization assistance device for oil and gas well emergency rescue may include:
an image monitoring system 10, a gap measurement system 20, and an image processing system 30.
As shown in fig. 2 (a), the image monitoring system 10 may include: the device comprises a rain cover 11, a high-pressure centrifugal fan set 12, a rotating mechanism 13, a high-definition camera 14, an azimuth platform 15, a control cabinet 16 and an equipment fixing plate 17.
As shown in fig. 2 (b), the clearance measuring system 20 may be fixed to a hydraulic blasting cutting liquid supply line 40 at the rear end of the cutting head to accurately measure the distance between the cutting head and the wellhead, the hydraulic blasting cutting liquid supply line 40 is usually a metal pipe, the front end is connected with a nozzle, and cutting is performed after the hydraulic blasting cutting liquid supply line is injected with high-pressure liquid and abrasive from the front end nozzle. The gap measurement system 20 may include several laser rangefinders and transmission modules. The laser range finder may use a red visible laser to measure the distance between the cutting head and the object 50 to be cut (illustrated in fig. 2 (c)), and the object 50 to be cut may be various wellhead combinations made of metal; the transmission module may transmit the measured distance to the image processing system 30.
The image processing system 30 can receive the signals transmitted by the image monitoring system 10 and the gap measuring system 20, and process the signals to obtain clear image images and wellhead geometric measurement information.
In this embodiment, the rain cover 11 can prevent the damage of the sprayed water to the equipment, and protect the image monitoring system 10. As shown in fig. 2 (a), the rain cover 11 may be disposed above the high-pressure centrifugal fan unit 12, and the rain cover 11 may also be disposed at an outlet of the high-pressure centrifugal fan unit 12.
In this embodiment, the high-pressure centrifugal fan unit 12 can reduce interference such as smoke, flame, and water spray. The high-pressure centrifugal fan set 12 may be composed of a plurality of fans, for example, 2 to 8 fans, and further, for example, 4 fans shown in fig. 2 (a). Under the condition that the number of the fans is greater than 1, a plurality of fans can be symmetrically distributed around the high-definition camera 14, for example, the high-pressure centrifugal fan set 12 is composed of four identical fans, and the high-definition camera is symmetrically distributed and located among the four fans. The fan may comprise an explosion-proof high temperature resistant axial fan. The high-pressure centrifugal fan set 12 can provide a clean observation channel, and reduce interference of dense smoke, flame, water spraying and the like.
In the present embodiment, as shown in fig. 2 (a), the side of the high-pressure centrifugal fan set 12 may be connected to the rotating mechanism 13 through a connecting rod, and the rotating mechanism 13 may be a worm gear. The rotating mechanism 13 can adjust the position of the system arbitrarily to acquire images at different angles.
In this embodiment, the rotating mechanism 13 may adopt "a motor + a worm gear reducer" to realize rotation of the high-pressure centrifugal fan unit 12, so as to realize a change of the wind direction, such as rotation in any one of the up-down direction, the left-right direction, and then, for example, a pitching motion. The rotating mechanism 13 may also have a mechanical self-locking capability with an electrical limiting device.
In the present embodiment, in the case that the number of the fans is plural, the high definition camera 14 may be installed at a central position of the plural fans to avoid shaking of the camera (i.e., the high definition camera 14) caused by strong wind. A protective cover with a high-temperature-resistant sapphire window can be further mounted on the high-definition camera 14 to prevent water mist and high temperature from affecting the camera.
In this embodiment, the rain shield 11, the high pressure centrifugal fan unit 12, the rotating mechanism 13, and the high definition camera 14 may all be located on the azimuth platform 15. The azimuth platform 15 can adopt a worm gear and a worm, further, can adopt a motor and a worm gear speed reducer to realize the rotation motion of a target, and further, can also have mechanical self-locking capability.
In this embodiment, the control box 16 may be located below the orientation platform 15, and the control box 16 may include a wireless transmission module for transmitting and receiving commands to control the actions of the above mechanisms.
In this embodiment, the control box 16 may be mounted on the device fixing plate 17. The equipment fixing plate 17 can also be used for connecting a movable base to carry out integral migration of the equipment. For example, the image monitoring system 10 may be secured to a mast of a crane by an equipment securing plate 17.
In this embodiment, the number of the laser distance measuring devices may be multiple, so as to avoid the stop of the gap measuring system caused by the failure of 1 or a part of the stations, that is, under the condition that 1 distance measuring device is damaged, the operation can be continued, and the continuity of cutting can be maintained. For example, the number of the laser range finders can be two, two cutting heads can be respectively installed on the metal pipe, one cutting head works, the other cutting head is standby, and the two laser range finders can also be used simultaneously.
In the present embodiment, the diagram (d) in fig. 2 shows a schematic diagram of the image processing system 30, and the image processing system 30 may be a general-purpose image processing platform that is secondarily developed.
In this embodiment, the image processing system 30 may process the acquired real-time image mainly using vision software, and acquire relevant size and angle information using the transmitted distance data and feature recognition technology. The image processing system 30 is also capable of displaying substantially sharp image imagery and wellhead geometry measurement information on a screen.
In this embodiment, the image processing system 30 may use stereoscopic vision software for oil and gas well emergency, that is, a filtering algorithm may be used to process the image of the blowout field to obtain an image with higher definition, a three-dimensional image of the wellhead is constructed by a three-dimensional reconstruction algorithm, and the accurate distance of the three-dimensional space is obtained by combining laser ranging.
In the present embodiment, the gap measurement system 20 and the image monitoring system 10 may both adopt explosion-proof treatment, such as at least one of high temperature resistance, water mist resistance, and explosion-proof treatment.
In this embodiment, the image monitoring system 10 and the gap measuring system 20 may be designed to have a modular structure, and are convenient and fast to assemble and disassemble, and have safe and reliable performance.
In another aspect, the invention provides a visualization method for oil and gas well emergency rescue.
In one exemplary embodiment of the visualization method for oil and gas well emergency of the present invention, the method may comprise: the visual cutting auxiliary device for oil and gas well emergency rescue is utilized to realize visualization of operation.
In another exemplary embodiment of the visualization method for oil and gas well emergency of the present invention, the method may comprise:
the image monitoring system acquires a clear wellhead image, and the clearance measuring system is used for accurately measuring the distance between the cutting head and wellhead equipment.
And transmitting data (namely the image and the distance acquired in the previous step) to the image processing system in real time, using visual software to carry out sharpening processing on the acquired real-time image, extracting key facility features (a cutting head and a wellhead), and acquiring related dimension and angle information by using a feature identification technology so as to finish the process of cutting visualization.
In summary, the cutting visualization auxiliary device and method for oil and gas well emergency rescue of the invention have the advantages that:
(1) the device is convenient and quick to mount and dismount, and has safe and reliable performance.
(2) The device has high stability and good operability, and can meet the requirements of well mouth cutting visualization on a blowout and fire scene.
(3) The device and the method can guide emergency cutting construction operation, reduce emergency operation risks and improve operation efficiency.
(4) The method is simple, convenient, safe and high in efficiency.
Although the present invention has been described above in connection with exemplary embodiments, it will be apparent to those skilled in the art that various modifications and changes may be made to the exemplary embodiments of the present invention without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A visual auxiliary device of cutting for oil and gas well speedily carries out rescue work, its characterized in that, auxiliary device includes: an image monitoring system, a gap measuring system and an image processing system, wherein,
the image monitoring system comprises an image acquisition unit and a dispersing unit, wherein the image acquisition unit can acquire images of an emergency scene, and the dispersing unit can disperse or weaken the interference phenomenon on an image acquisition road of the image acquisition unit, wherein the images of the emergency scene comprise images of cut objects, and the interference phenomenon comprises at least one of smoke, flame and water;
the gap measuring system can measure the distance between the cutting head and the cut object;
the image processing system can process the acquired image and the measured distance and obtain a clear image and geometric information of the cut object, wherein the geometric information of the cut object comprises at least one of geometric size, angle information and spatial distance of the cut object, and the spatial distance is the distance between the cutting head and the cut object.
2. The visual auxiliary device of cutting for oil and gas well emergency treatment according to claim 1, characterized in that the dissipating unit comprises a high pressure centrifugal fan set.
3. The cutting visualization aid device for oil and gas well emergency according to claim 1, wherein the image acquisition unit comprises a high definition camera.
4. The visual auxiliary device of cutting for oil and gas well emergency rescue of claim 3, characterized in that the high definition camera is installed with a protective cover with a high temperature resistant sapphire window.
5. A cutting visualization aid device as claimed in claim 3 wherein said image capturing unit further comprises a wireless transmitter to transmit said captured images to said image processing unit.
6. The visual auxiliary device of cutting for oil and gas well emergency rescue of claim 2, characterized in that the dispelling unit comprises a high-pressure centrifugal fan set, the image acquisition unit comprises a high-definition camera, and the high-definition camera is located at the center of the high-pressure centrifugal fan set.
7. The cutting visualization assisting device for oil and gas well emergency according to claim 1, wherein the image monitoring system further comprises a rotation unit, and the rotation unit can adjust the angle of the image acquisition unit and the dispersing unit.
8. A visual auxiliary device of cutting for oil and gas well emergency rescue according to claim 1, characterized in that the clearance measurement unit includes a plurality of laser rangefinders mounted on a sandblasting cutting head.
9. Cutting visualization aid device for oil and gas well emergency according to claim 1, characterized in that said gap measurement unit further comprises a transmission module to transmit said measured distance to said image processing unit.
10. A visualization method for emergency of oil and gas wells, characterized in that it comprises the following steps:
dispersing or weakening an interference phenomenon on a blowout runaway site to obtain a clean observation channel, wherein the interference phenomenon comprises at least one of smoke, flame and water;
collecting an image of the cut object by using the clean observation channel; measuring a distance between the cutting head and the object to be cut;
and processing the acquired image and the measured distance, and obtaining a clear image and geometric information of the cut object, wherein the geometric information of the cut object comprises at least one of the geometric size, the angle information and the spatial distance of the cut object, and the spatial distance is the distance between the cutting head and the cut object.
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| CN202010507303.8A CN111667380A (en) | 2020-06-05 | 2020-06-05 | Cutting visualization auxiliary device and method for oil and gas well emergency rescue |
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| CN202010507303.8A CN111667380A (en) | 2020-06-05 | 2020-06-05 | Cutting visualization auxiliary device and method for oil and gas well emergency rescue |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030202091A1 (en) * | 2002-04-18 | 2003-10-30 | Jaime Garcia | Modular assisted visualization system |
| CN1978004A (en) * | 2005-11-30 | 2007-06-13 | 中国科学院自动化研究所 | Fire-disaster emergency robot system and method |
| CN204231512U (en) * | 2014-12-09 | 2015-03-25 | 中国石油集团川庆钻探工程有限公司 | Image acquisition equipment applied to blowout site of oil and gas well |
| CN106951889A (en) * | 2017-05-23 | 2017-07-14 | 煤炭科学技术研究院有限公司 | Underground high risk zone moving target monitoring and management system |
| CN210237447U (en) * | 2019-05-29 | 2020-04-03 | 东莞市鑫品自动化科技有限公司 | Glass machine vision positioning system |
-
2020
- 2020-06-05 CN CN202010507303.8A patent/CN111667380A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030202091A1 (en) * | 2002-04-18 | 2003-10-30 | Jaime Garcia | Modular assisted visualization system |
| CN1978004A (en) * | 2005-11-30 | 2007-06-13 | 中国科学院自动化研究所 | Fire-disaster emergency robot system and method |
| CN204231512U (en) * | 2014-12-09 | 2015-03-25 | 中国石油集团川庆钻探工程有限公司 | Image acquisition equipment applied to blowout site of oil and gas well |
| CN106951889A (en) * | 2017-05-23 | 2017-07-14 | 煤炭科学技术研究院有限公司 | Underground high risk zone moving target monitoring and management system |
| CN210237447U (en) * | 2019-05-29 | 2020-04-03 | 东莞市鑫品自动化科技有限公司 | Glass machine vision positioning system |
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Application publication date: 20200915 |