[0026] The present invention will be further described below in conjunction with the drawings.
[0027] figure 1 Schematically shows the fish fishing measurement cable logging tool based on magnetic signals and ultrasonic principles according to an embodiment of the present invention. According to the invention, the fish-dropping measurement cable logging tool based on the principle of magnetic signal and ultrasonic wave can not only measure the position of the fish-dropping, but also measure the shape of the fish-dropping, which provides accurate data for fish-dropping operations.
[0028] Such as figure 1 As shown, the fish fishing measurement cable logging tool based on the principle of magnetic signals and ultrasonic waves in this embodiment includes a housing 1. The shell 1 includes several sections, and the upper part of the shell 1 is connected with a drill pipe or other logging instruments. The casing 1 is lowered downhole with the drill pipe. The housing 1 is provided with the sonic borehole probe 6 configured to detect the borehole diameter information of the position of the fish through sound waves, and obtain a perimeter imaging map of the position of the fish. Wherein, the position information includes position information, depth information, environmental information, and so on. The housing 1 is also provided with a measuring electrode 2 configured to be able to detect the depth information of the top of the fish downhole through a magnetic signal. The measurement electrode 2 cooperates with the position detection information to detect the position information of the falling fish more accurately. The fish fishing measurement cable logging tool based on the principle of magnetic signal and ultrasonic described in this embodiment further includes a circuit board 3, and the circuit board 3 is arranged in the housing 1. The circuit board 3 is connected to and controls the sonic borehole probe 6 and the measuring electrode 2 respectively. A rotating device 8 is provided in the housing, and the rotating device is connected to the sonic borehole probe 6 and rotates the sonic borehole probe 6
[0029] In the fish fishing measurement cable logging tool based on the principle of magnetic signal and ultrasonic wave according to this embodiment, the information of the fish falling in the well is detected by ultrasonic and magnetic signals, and the position and shape of the fish can be accurately detected. It fills the gaps in these tools, provides accurate data for fishing operations, improves the accuracy of fishing operations, and can greatly save time in fishing operations.
[0030] In one embodiment, the shell 1 is a cylindrical shell, and the shell 1 is divided into several sections. The circuit board 3 is provided in a section of the upper part of the housing 1. In this embodiment, a cavity is provided in the casing, a circuit protection cylinder 4 is formed in the cavity, and the circuit board 3 is fixedly arranged in the circuit protection cylinder 4.
[0031] In the fish fishing measurement cable logging tool based on the principle of magnetic signal and ultrasonic according to this embodiment, the circuit protection cylinder 4 can protect the circuit board 3 and prevent the circuit board 3 from being damaged by collision or immersion in drilling fluid, thereby Ensure the safety and normal operation of the device.
[0032] In one embodiment, the wireline logging tool includes an orientation sensor 5 which is arranged on the upper part of the housing 1. Preferably, the orientation sensor 5 is arranged on a section of the upper part of the housing 1 and above the circuit board 3. The orientation sensor 5 is configured to be able to measure the orientation information of the position of the fish.
[0033] In the fish fishing measurement cable logging tool based on the magnetic signal and ultrasonic principles according to the present embodiment, the cable logging tool includes an orientation sensor 5 capable of detecting the location of the fish falling in the downhole. The orientation sensor 5 can be designed to form a straight line along the middle of the housing 1, or it can have a certain angle. By setting the azimuth sensor 5, the position of the fish in the well can be determined.
[0034] In a preferred embodiment, the rotating device 8 is a motor, the motor is connected to the circuit board 3 through a wire and is controlled by the circuit board 3 to rotate; the shaft of the motor is connected to the sonic borehole probe 6.
[0035] In the fish fishing measurement cable logging tool based on the principle of magnetic signal and ultrasonic wave according to this embodiment, the sonic caliper probe 6 can scan and measure the borehole wall using ultrasonic waves. The sonic borehole probe 6 can obtain the borehole diameter information near the top of the fish by means of ultrasonic scanning, and can produce images, which can be clear.
[0036] In an embodiment, the sonic borehole probe 6 is arranged at the bottom of the housing 1. In this embodiment, the sonic caliper probe 6 is arranged along the radial direction of the housing 1, and the end of the sonic caliper probe 6 is aligned with the borehole wall along the radial direction of the housing 1. The sonic borehole probe 6 changes its detection angle as the motor rotates.
[0037] In the fish fishing measurement cable logging tool based on the magnetic signal and ultrasonic principles according to this embodiment, the sonic borehole probe 6 can follow the rotating device 8 when scanning the borehole wall by ultrasound (in this embodiment Rotate for the rotation of the motor, so that a full scan can be performed. This ensures that the detection position is more comprehensive and the detection result is more accurate.
[0038] In one embodiment, the upper end of the housing 1 is provided with a connector, the upper end of the connector is connected to a logging cable, and the lower end of the connector is connected to the circuit board 3. Through the joint, the logging cable in the drill pipe can be connected to the circuit board 3 to supply power to the circuit, the azimuth sensor 5, the sonic caliper probe 6, and the measuring electrode 2.
[0039] In a preferred embodiment, the circuit board 3 includes a data processing and control circuit, and the data processing and control circuit respectively connects the orientation sensor 5 and the sonic borehole probe 6 through a data preprocessing circuit. The data processing and control circuit can process the position information data detected by the azimuth sensor 5 and the sonic caliper probe 6 and can control the working state of the azimuth sensor 5 and the sonic caliper probe 6. The circuit board 3 can transmit communication, data pre-processing, and position self-positioning.
[0040] In one embodiment, the measuring electrode 2 is a magnetic signal measuring electrode, and the magnetic signal measuring electrode is arranged in the middle of the housing 1, below the circuit board 3 and above the sonic borehole probe 6. .
[0041] In a preferred embodiment, the housing 1 is selectively connected to other logging tools or logging horse faucets. In this embodiment, different connectors can be provided on the housing 1 for connecting different equipment, and other logging instruments or logging horses can be connected as required.
[0042] In a preferred embodiment, such as figure 2 As shown, the outer wall of the housing 1 is selectively provided with a stable arc plate 7. The stabilizing arc plate 7 is evenly arranged on the outer wall of the casing 1, so that a certain support is formed between the casing 1 and the shaft wall, and collisions and other problems are avoided.
[0043] Although the present invention has been described with reference to the preferred embodiments, without departing from the scope of the present invention, various modifications can be made thereto and the components therein can be replaced with equivalents. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any manner. The present invention is not limited to the specific embodiments disclosed in the text, but includes all technical solutions falling within the scope of the claims.
