CN213928342U - Detection device for logging sidewall contact device - Google Patents
Detection device for logging sidewall contact device Download PDFInfo
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- CN213928342U CN213928342U CN202022865723.1U CN202022865723U CN213928342U CN 213928342 U CN213928342 U CN 213928342U CN 202022865723 U CN202022865723 U CN 202022865723U CN 213928342 U CN213928342 U CN 213928342U
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Abstract
The utility model provides a detection device for logging sidewall contact device, this detection device for logging sidewall contact device includes optic fibre camera part and optic fibre laser illumination part, this optic fibre camera part includes image transmission optic fibre, camera device and imaging lens, connect through this image transmission optic fibre between this camera device and this imaging lens, this optic fibre laser illumination part includes the laser instrument, laser transmission optic fibre and laser emission camera lens, connect through this laser transmission optic fibre between this laser instrument and this laser emission camera lens, this image transmission optic fibre and this laser transmission optic fibre's length equals. The detection device for the logging sidewall contact device.
Description
Technical Field
The utility model relates to an oil gas field well logging technical field especially involves a detection device for logging sidewall contact device.
Background
During petroleum drilling, logging is required after the well is drilled to the designed depth, namely well completion electrical logging, so as to obtain various petroleum geology and engineering technical data as the original data for well completion and oil field development. Two series of logs, conventionally referred to as production logs or development logs, are made after the well is cased. VSP (vertical Seismic profiling), namely a vertical Seismic profile, is a Seismic observation method. Which corresponds to a seismic profile observed on a typical surface. The vertical seismic profiling method is to excite seismic waves at some points near the surface of the earth and to observe at some multistage multicomponent geophone points located at different depths along the borehole. In a vertical seismic section, a three-component detector in a logging instrument is arranged in a stratum through a well hole, so that not only can an uplink longitudinal wave and an uplink converted wave which are transmitted from bottom to top be received, but also a downlink longitudinal wave and a downlink converted wave which are transmitted from top to bottom can be received, and even a transverse wave can be received. This is one of the most important features of a vertical seismic section compared to a surface seismic section.
In prior art logging, devices such as rams are often required to press the downhole tool against the borehole wall. The conventional commonly used pusher can cause the failure of well logging when being seriously stuck during pushing. The commonly used sidewall contact device only can realize the function of assisting eccentricity, the underground environment is severe, the underground environment can not be observed by the personnel on the ground in real time, and the operation range of the sidewall contact device is limited to a great extent.
In the application No.: CN201910282816.0 relates to a visual detection device and method in a coal mine underground borehole. The method comprises the following steps: the device comprises a cable drill rod, a camera bit, monitoring display equipment and a detection instrument; the detection instrument is sent to a specified position in the hole through the cable-passing drill rod and the camera bit, the cable-passing drill rod is used as a communication carrier to upload detection data, information such as images, natural gamma and resistivity can be observed on orifice monitoring equipment at the same time, and the situation in the hole is identified through comprehensive evaluation of the information such as the images, the gamma and the resistivity, so that the accuracy of judgment of complex situations in the hole by field technicians is improved, and a foundation is laid for further construction or accident handling and the like. The patent integrates various detection elements, and the image pick-up part of the detection element does not show how to illuminate, and the detection element needs to illuminate in dark spaces such as underground.
In the application No.: chinese patent application No. cn201510263280.x relates to an optical imaging device for downhole detection, characterized in that: the device comprises a transparent protection window, a front storage lens group, an image sensor, a video driving unit of the image sensor, a video processing and storing unit, a battery pack, an adapter plate, interfaces thereof and a cylinder tail sealing cover which are sequentially arranged in a tubular shell along the axis direction; the transparent protection window is tightly pressed to a mounting hole on the front end face of the tubular shell through an elastic pad, and a barrel tail sealing cover is provided with a threaded connecting part so as to facilitate the fixation of the optical imaging device and a drill rod; the periphery of the front part of the front storage lens group is provided with a plurality of laser illuminating lamps, a circuit connecting plate is transversely arranged between the video driving unit and the video processing and storing unit, and the image sensor adopts a USB camera shooting device module with a focusing function and transmits a video image to the video processing and storing unit through a USB on the circuit connecting plate after the video image is digitized; each interface at least comprises a USB data interface and a charging port; the transparent protective window is a convergent lens; the video processing and storage unit is divided into a video coding compression module and a high-speed SD card, wherein the video coding compression module adopts an ARM processor and can meet the requirements of MPEG-2 and H.264 video coding compression; the digital image compressed by the video coding compression module is stored to a high-speed SD card through a high-speed GPIO interface arranged inside; the battery pack adopts a rechargeable battery which does not need to be disassembled; the adapter plate is used as a leading-out plate for controlling and outputting signals, and realizes work indicator light indication, charging indication, USB data input and output and program downloading; the system is set to delay startup. All optical imaging and storage devices of the underground detection device are arranged in the detector, and the volume of the detector is greatly occupied. Other detection equipment cannot be additionally arranged in the detector.
In the application No.: chinese patent application CN201610254501.1 relates to an underground mineral detector with a video acquisition unit, which is characterized in that: the detector comprises a cylindrical detector body (1), wherein a circuit layer (2) and a power supply layer (3) are arranged in the detector body (1); the detection circuit is arranged in the circuit layer (2); the detection circuit comprises: the radio-frequency detection device comprises a central processing unit, a Hall sensor (6), a radioactive isotope detector (7), an ultrasonic sensor (8) and a communication device, wherein the Hall sensor, the radioactive isotope detector and the ultrasonic sensor are respectively in signal connection with the central processing unit, and the communication device is in signal connection with the central processing unit and is used for wirelessly transmitting detected information; a power supply module is arranged in the power supply layer (3) and supplies power to the detection circuit; the top of the detector body (1) is provided with a wire ear (4); the communication device comprises a communication chip and a communication antenna (5) in signal connection with the communication chip, wherein the communication antenna (5) is arranged at the top of the detector body (1); the Hall sensor (6), the radioactive isotope detector (7) and the ultrasonic sensor (8) are all arranged at the bottom of the detector body (1); the detection circuit further comprises a video acquisition unit (10), the video acquisition unit (10) is a camera, the video acquisition unit (10) is in signal connection with the central processing unit, and the video acquisition unit (10) is arranged at the bottom of the detector body (1). All optical imaging devices of the underground detection device are arranged in the detector, occupy the volume of the detector and affect the installation of other detection equipment.
Therefore, a new detection device for the logging sidewall contact device is invented, and the technical problems are solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a detection device for logging sidewall contact device.
The purpose of the utility model can be realized by the following technical measures: the detection device for the logging sidewall contact device comprises an optical fiber camera shooting part and an optical fiber laser lighting part, wherein the optical fiber camera shooting part comprises an image transmission optical fiber, a camera shooting device and an imaging lens, the camera shooting device is connected with the imaging lens through the image transmission optical fiber, the optical fiber laser lighting part comprises a laser, a laser transmission optical fiber and a laser shaping lens, the laser is connected with the laser emission lens through the laser transmission optical fiber, and the lengths of the image transmission optical fiber and the laser transmission optical fiber are equal.
The purpose of the utility model can be realized by the following technical measures:
the detection device for the logging sidewall contact device further comprises a power supply unit, and the power supply unit is connected with the camera device and the laser and supplies power to the camera device and the laser.
The detection device for the logging sidewall contact device further comprises an image display unit, and the image display unit is connected to the camera device to display image information collected by the camera device.
The fiber image pickup section and the fiber laser illumination section are located on the front end face to be pushed against.
The imaging apparatus employs a black-and-white camera having 100 ten thousand pixels.
The length of the image transmission fiber and the laser transmission fiber is more than 1000 meters.
The laser used a 2 watt semiconductor laser.
The front window of the imaging lens and the front window of the laser emission lens are sealed by light-transmitting sapphire glass.
The utility model provides a detection device for logging sidewall contact device only places the optic fibre light path in the sidewall contact device, and camera and laser instrument pass through optical fiber connection and place the well head, and the well head is also placed to power supply and display device, and it is very few that camera shooting and lighting device occupy the volume of sidewall contact device, can install other detection device additional in the sidewall contact device. The detection device for the logging sidewall contact device has the function of placing a logging sensor into the detection device for downhole detection through a downhole of a well hole. The utility model discloses an installed laser illumination and laser image device additional for the sidewall contact device, better realization is gone into the well. In order to occupy the space in the push ram as little as possible, the push ram can be provided with more built-in logging sensors, the laser illuminator and the imaging system are both of optical fiber structures, and the laser, the power supply system and the camera thereof can be placed outside the push ram through optical fiber connection without occupying the space in the push ram, so that the volume of the push ram is reduced, and the well descending is better realized.
Drawings
FIG. 1 is a block diagram of one embodiment of a sonde for a logging sidewall contact system according to the present invention;
fig. 2 is a side view of a sonde for a logging sidewall contact device in an embodiment of the present invention.
In the figure, 1 is a downhole pushing device, 2 is a camera device, 3 is an image transmission optical fiber, 4 is an imaging lens, 5 is an optical fiber coupling semiconductor laser, 6 is a laser transmission optical fiber, 7 is a laser shaping lens, 8 is a laser lighting window, 9 is a camera shooting window, 10 is a power supply unit, and 11 is an image display unit.
Detailed Description
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of the stated features, steps, operations, and/or combinations thereof, unless the context clearly indicates otherwise.
The utility model discloses a video detection device in pit for logging is pushed away and is pushed away, including optic fibre camera part and optic fibre laser illumination part, be located the both sides that push away the front end centre bore, optic fibre camera part includes optic fibre light path and 100 ten thousand pixels's black and white camera, is connected with imaging lens through optic fibre, and image transmission optical fiber length is greater than 1000 meters. The optical fiber laser lighting part comprises a semiconductor laser with the power of 2 watts, a laser transmission optical fiber and a laser output head, and the length of the optical fiber is equal to that of the optical fiber of the camera shooting part. The front window of the imaging lens and the front window of the laser shaping lens are sealed by light-transmitting sapphire glass, and the laser shaping lens can resist high temperature and high pressure. The laser and the camera device are electrically connected with the power supply unit for supplying power, and an image signal of the camera device is transmitted to the image display unit through the transmission cable for real-time image display.
In using the utility model discloses a specific embodiment, as shown in fig. 1 and fig. 2, a video detection device in pit for logging is pushed away by, including camera shooting part and illumination part, be located the both sides that the well is pushed away 1 front end centre bore in the pit, camera shooting part includes camera device 2, is connected with imaging lens 4 through image transmission optic fibre 3, and image transmission optic fibre 3 length is greater than 1000 meters. The illumination part comprises an optical fiber coupling semiconductor laser 5 with the power of 2 watts, the optical fiber coupling semiconductor laser is connected with a laser shaping lens 7 through a laser transmission optical fiber 6, and the length of the optical fiber is equal to that of the optical fiber of the image pick-up part. The laser lighting window 8 in front of the imaging lens 4 and the camera shooting window 9 in front of the laser shaping lens 7 are sealed by adopting transparent sapphire glass, and can resist high temperature and high pressure. The laser 5 and the camera device 2 are both electrically connected with the power supply unit 10 for supplying power, and the image signal of the camera device is transmitted to the image display unit 11 through the signal transmission line for real-time image display.
Laser is emitted through the laser lighting window 8, and the camera lens collects light through the camera window 9 to form images.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
In addition to the technical features described in the specification, the technology is known to those skilled in the art.
Claims (8)
1. The detection device for the logging sidewall contact device is characterized by comprising an optical fiber camera part and an optical fiber laser illumination part, wherein the optical fiber camera part comprises an image transmission optical fiber, a camera device and an imaging lens, the camera device is connected with the imaging lens through the image transmission optical fiber, the optical fiber laser illumination part comprises a laser, a laser transmission optical fiber and a laser shaping lens, the laser and the laser emission lens are connected through the laser transmission optical fiber, and the length of the image transmission optical fiber is equal to that of the laser transmission optical fiber.
2. The detecting device for the logging sidewall contact device as recited in claim 1, further comprising a power supply unit, wherein the power supply unit is connected to and supplies power to the camera and the laser.
3. The detecting device for the logging sidewall contact device as recited in claim 1, further comprising an image display unit connected to the camera device for displaying image information collected by the camera device.
4. The apparatus of claim 1, wherein the fiber optic imaging portion and the fiber optic laser illuminating portion are located on the front face to be pushed against.
5. The detecting device for the sidewall log sucker of claim 1, wherein the camera device is a black and white camera with 100 ten thousand pixels.
6. The apparatus of claim 1, wherein the length of the image transmission fiber and the laser transmission fiber is greater than 1000 meters.
7. The apparatus of claim 1, wherein the laser is a 2 watt fiber coupled semiconductor laser.
8. The detecting device for the logging sidewall contact device as claimed in claim 1, wherein the front window of the imaging lens and the front window of the laser emission lens are sealed by transparent sapphire glass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022865723.1U CN213928342U (en) | 2020-12-02 | 2020-12-02 | Detection device for logging sidewall contact device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022865723.1U CN213928342U (en) | 2020-12-02 | 2020-12-02 | Detection device for logging sidewall contact device |
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| CN213928342U true CN213928342U (en) | 2021-08-10 |
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| CN202022865723.1U Active CN213928342U (en) | 2020-12-02 | 2020-12-02 | Detection device for logging sidewall contact device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118008282A (en) * | 2024-04-09 | 2024-05-10 | 伟卓石油科技(北京)有限公司 | A gamma-ray probe tube and logging instrument while drilling |
-
2020
- 2020-12-02 CN CN202022865723.1U patent/CN213928342U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118008282A (en) * | 2024-04-09 | 2024-05-10 | 伟卓石油科技(北京)有限公司 | A gamma-ray probe tube and logging instrument while drilling |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20250827 Address after: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee after: SINOPEC Group Country or region after: China Patentee after: Sinopec Petroleum Engineering Technology Service Co.,Ltd. Patentee after: SINOPEC PETROLEUM ENGINEERING GEOPHYSICS Co.,Ltd. Patentee after: SHENGLI BRANCH OF SINOPEC PETROLEUM ENGINEERING GEOPHYSICS Co.,Ltd. Address before: 100728 Beijing, Chaoyangmen, North Street, No. 22, No. Patentee before: SINOPEC Group Country or region before: China Patentee before: SINOPEC OILFIELD SERVICE Corp. Patentee before: SINOPEC PETROLEUM ENGINEERING GEOPHYSICS Co.,Ltd. Patentee before: SHENGLI BRANCH OF SINOPEC PETROLEUM ENGINEERING GEOPHYSICS Co.,Ltd. |
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| TR01 | Transfer of patent right |