Petroleum casing pipe with detection function

Abstract

The utility model provides a petroleum casing pipe with a detection function, which comprises a pipe body, a detection box arranged on the outer side of the pipe body, a sliding sleeve arranged at the bottom end in the detection box, a sliding cylinder arranged between the sliding sleeve and the pipe body in a sliding manner, a detection head arranged at the bottom end of the sliding cylinder, and a support plate arranged on the upper side in the detection box, a rotating shaft is rotationally arranged between the supporting plate and the detection box, and an adjusting screw rod is arranged at the bottom end of the rotating shaft and is in threaded connection with the sliding cylinder. According to the petroleum casing pipe with the detection function, in the using process, the detection module is driven to move in the petroleum casing pipe to detect oil and gas transmission data of different depths, the pressure bearing capacity and safety of the petroleum casing pipe can be better judged, and use is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of petroleum casing, especially relates to a petroleum casing with detection function. BACKGROUND

[0002] The petroleum casing is an important steel pipe assembly for reinforcing the well wall and protecting the well structure in the oil and gas drilling engineering, belongs to the "skeleton" of the oil and gas well, is the core material for guaranteeing the safety of drilling and realizing efficient exploitation, and the design selection directly influences the service life and exploitation cost of the oil and gas well.

[0003] The existing petroleum casing with detection function is integrated with a sensor or a detection system in the traditional petroleum casing, real-time acquisition of downhole data is realized through a pressure sensor, a temperature sensor, an acoustic wave sensor and the like, the downhole environment, the casing state and the oil and gas reservoir dynamic are monitored in real time, and therefore the safety, efficiency and intelligent level of the oil and gas well are improved, but in the actual use process, the water pressure detected by the pressure sensor is different with the depth position of the pressure sensor in the petroleum casing, since the integrated sensor or detection system is fixed in the interior of the petroleum casing, only the data at the setting position can be detected, the water pressure and temperature at different positions cannot be detected in real time, and therefore the judgment of the pressure bearing capacity and safety of the petroleum casing may have errors, and the use of the petroleum casing is affected. SUMMARY

[0004] Therefore, the utility model provides a petroleum casing with detection function, which can detect oil and gas transmission data at different depths by driving the detection module to move in the petroleum casing during use, better judge the pressure bearing capacity and safety of the petroleum casing, and be convenient to use.

[0005] To solve the above technical problems, the utility model adopts the technical scheme of a petroleum casing with detection function, which comprises a pipe body, a detection box is arranged on the outer side of the pipe body, a sliding sleeve is arranged at the inner bottom end of the detection box, a sliding cylinder is slidingly arranged between the sliding sleeve and the pipe body, a detection head is arranged at the bottom end of the sliding cylinder, a supporting plate is arranged at the inner upper side of the detection box, a rotating shaft is rotatably arranged between the supporting plate and the detection box, an adjusting screw rod is arranged at the bottom end of the rotating shaft, and the adjusting screw rod is threadedly connected with the sliding cylinder.

[0006] As a further improvement of the utility model, flange plates are arranged at both ends of the pipe body, an insertion slot is formed in the middle of the flange plate on one side, and an insertion block corresponding to the insertion slot is arranged in the middle of the flange plate on the other side.

[0007] As a further improvement of the utility model, the outer side of the pipe body is provided with uniformly distributed protective rings, and the adjacent protective rings are all provided with uniformly distributed reinforcing ribs; the inner wall and the outer wall of the pipe body are all provided with waterproof and corrosion-resistant coating.

[0008] As a further improvement of the utility model, the side wall of the detection box is provided with a control box, and the detection head and the motor are all electrically connected with the control box.

[0009] Compared with the prior art, the utility model has the beneficial effects as follows:

[0010] Firstly, the plug of the flange plate of one pipe body is inserted into the slot of the flange plate of another pipe body, and the cooperation of the slot and the plug facilitates the pre-positioning during installation.

[0011] Secondly, the sensors such as the pressure sensor, the temperature sensor and the acoustic sensor arranged on the detection head transmit information to the control box, and then the control box transmits the real-time information to the external receiving device.

[0012] Thirdly, the output shaft of the motor drives the bevel gear two connected therewith to rotate, the sliding movement between the sliding cylinder and the sliding sleeve is driven by adjusting the threaded relationship between the lead screw and the sliding cylinder, and then the sliding cylinder drives the detection head to move in the pipe body, the depth position of the detection head is adjusted, and then the oil and gas transmission data at different positions can be detected, which is convenient to use.

[0013] Fourthly, the waterproof and corrosion-resistant coating arranged on the inner wall and the outer wall of the pipe body effectively prevents the damage of the pipe body due to long-time use during use, and effectively prolongs the use time of the pipe body. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0015] Figure 1 It is the structural schematic diagram of the utility model;

[0016] Figure 2 It is the internal sectional structure schematic diagram of the utility model;

[0017] Figure 3 It is the enlarged structure schematic diagram of A of the utility model;

[0018] Figure 4 It is the plane structure schematic diagram of the utility model.

[0019] In the figure: 101, pipe body; 102, protective ring; 103, reinforcing rib; 104, flange plate; 105, insertion slot; 106, insertion block; 201, detection box; 202, sliding sleeve; 203, sliding cylinder; 204, detection head; 205, rotating shaft; 206, adjusting screw; 207, support; 208, bevel gear one; 209, bevel gear two; 210, motor; 211, closed door; 301, control box. DETAILED DESCRIPTION

[0020] In order to better understand the present application, the content of the present application will be further clearly described below in conjunction with examples, but the protection content of the present application is not limited to the following examples only. In the following description, a large number of specific details are given in order to provide a more complete understanding of the present application. However, it is obvious to those skilled in the art that the present application can be implemented without one or more of these details.

[0021] As shown in Figure 1 , 4 , it comprises a pipe body 101, the outer side of the pipe body 101 is provided with a detection box 201, the inner bottom end of the detection box 201 is provided with a sliding sleeve 202, the sliding sleeve 202 and the pipe body 101 are slidingly provided with a sliding cylinder 203, the bottom end of the sliding cylinder 203 is provided with a detection head 204, the inner upper side of the detection box 201 is provided with a support plate, the support plate and the detection box 201 are rotationally provided with a rotating shaft 205, the bottom end of the rotating shaft 205 is provided with an adjusting screw 206, the adjusting screw 206 is threadedly connected with the sliding cylinder 203; both ends of the pipe body 101 are provided with flange plates 104; the middle part of the flange plate 104 on one side is provided with an insertion slot 105, and the middle part of the flange plate 104 on the other side is provided with an insertion block 106 corresponding to the insertion slot 105.

[0022] As shown in Figure 1 , 2 , the outer side of the pipe body 101 is provided with uniformly distributed protective rings 102, and the adjacent protective rings 102 are provided with uniformly distributed reinforcing ribs 103.

[0023] As shown in Figure 2 , 3 , the outer arc surface of the rotating shaft 205 is fixedly provided with a bevel gear one 208, the upper surface of the support plate is provided with a support 207, the support 207 and the support plate are provided with a motor 210, the output shaft of the motor 210 is fixedly provided with a bevel gear two 209, and the bevel gear two 209 is meshingly connected with the bevel gear one 208.

[0024] As shown in Figure 4 , the side wall of the detection box 201 is provided with a control box 301, and the detection head 204 and the motor 210 are electrically connected with the control box 301.

[0025] In the installation, the plug 106 of the flange plate 104 of one pipe body 101 is inserted into the slot 105 of the flange plate 104 of another pipe body 101, then the flange plate 104 is installed with the flange plate 104 by the external tool screwing the bolt, the cooperation of the slot 105 and the plug 106 facilitates the pre-positioning in the installation; while in the process of use, the control box 301 controls the detection head 204 and the motor 210 to run, so that the sensors such as the pressure sensor, the temperature sensor and the acoustic sensor arranged on the detection head 204 transmit information to the control box 301, then the control box 301 transmits the real-time information to the external receiving equipment, the output shaft of the motor 210 drives the bevel gear two 209 connected with it to rotate, through the meshing relationship between the bevel gear two 209 and the bevel gear one 208, the bevel gear one 208 drives the rotating shaft 205 to rotate, so that the rotating shaft 205 drives the adjusting lead screw 206 at the bottom end to rotate, through the threaded relationship between the adjusting lead screw 206 and the sliding cylinder 203, the sliding cylinder 203 and the sliding sleeve 202 slide, and then the sliding cylinder 203 drives the detection head 204 to move in the pipe body 101, the depth position of the detection head 204 is adjusted, and then the oil and gas transmission data at different positions can be detected, which is convenient to use.

[0026] According to another embodiment of the present application, as shown in Figure 2 The inner wall and the outer wall of the pipe body 101 are provided with waterproof and corrosion-resistant coatings.

[0027] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and not to limit it, and other modifications or equivalent replacements to the technical solutions of the present application made by those skilled in the art should be covered in the scope of the claims of the present application, as long as they do not deviate from the spirit and scope of the technical solutions of the present application.

Claims

1. An oil casing with a detection function, comprising a pipe body (101), characterized in that: The outer side of the pipe body (101) is provided with a detection box (201), the inner bottom end of the detection box (201) is provided with a sliding sleeve (202), the sliding sleeve (202) and the pipe body (101) are slidably provided with a sliding cylinder (203), the bottom end of the sliding cylinder (203) is provided with a detection head (204), the inner upper side of the detection box (201) is provided with a supporting plate, the supporting plate and the detection box (201) are rotatably provided with a rotating shaft (205), the bottom end of the rotating shaft (205) is provided with an adjusting screw rod (206), and the adjusting screw rod (206) is in threaded connection with the sliding cylinder (203).

2. The oil casing with a detection function according to claim 1, characterized in that: Both ends of the pipe body (101) are provided with flanges (104).

3. The oil casing with a detection function according to claim 2, characterized in that: The middle part of the flange (104) on one side is provided with a slot (105), and the middle part of the flange (104) on the other side is provided with a plug (106) corresponding to the slot (105).

4. The oil casing with a detection function according to claim 1, characterized in that: The outer side of the pipe body (101) is provided with uniformly distributed protective rings (102), and adjacent protective rings (102) are provided with uniformly distributed reinforcing ribs (103).

5. The oil casing with a detection function according to claim 1, characterized in that: The outer arc surface of the rotating shaft (205) is fixedly provided with a bevel gear one (208), the upper surface of the supporting plate is provided with a support (207), the support (207) and the supporting plate are provided with a motor (210), the output shaft of the motor (210) is fixedly provided with a bevel gear two (209), and the bevel gear two (209) is in meshing connection with the bevel gear one (208).

6. The oil casing with a detection function according to claim 5, characterized in that: The side wall of the detection box (201) is provided with a control box (301), and the detection head (204) and the motor (210) are electrically connected with the control box (301).

7. The oil casing with a detection function according to claim 1, characterized in that: The inner wall and the outer wall of the pipe body (101) are provided with a waterproof and corrosion-resistant coating.

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