Endoscopic detection equipment for corrosion defects of inner wall of oil field well casing
By designing an oilfield well pipe endoscopic inspection device with a supporting box and an electrically extended pipe, the problem of existing equipment being large and inconvenient has been solved, achieving efficient and convenient well pipe inner wall inspection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-26
- Publication Date
- 2026-03-20
AI Technical Summary
Existing oilfield well pipe inspection equipment is large and inconvenient, resulting in low inspection efficiency, and the manual extension pipe structure leads to fatigue.
An endoscopic inspection device for corrosion defects on the inner wall of oilfield well pipes was designed. It consists of a support box, handle, sealing door, flip plate, and electric extension tube. The extension tube is driven by a motor to be efficiently inserted into the well pipe, and endoscopic inspection is performed in conjunction with a monitoring head.
It enables convenient inspection of the inner wall of the well casing, improves inspection efficiency, reduces operator fatigue, and allows for efficient monitoring inside the well casing.
Smart Images
Figure CN224019682U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oilfield well pipe technical field, concretely is oilfield well pipe inner wall corrosion defect endoscopic detection equipment. BACKGROUND
[0002] Oilfield well pipe refers to the pipeline system used in the exploitation process of oil or natural gas field, mainly used for controlling the oil production, gas production and water injection operation of wellhead. These pipeline systems are usually made of steel, which has the characteristics of being strong and corrosion-resistant.
[0003] For the detection of the oilfield well pipe, a large endoscopic device is needed to detect the inner wall of the pipe body, which is not convenient for detection and affects the detection efficiency. In addition, the manual extension pipe structure causes fatigue when plugging frequently. SUMMARY
[0004] The utility model discloses an oilfield well pipe inner wall corrosion defect endoscopic detection equipment to solve the problem of the prior art that the oilfield well pipe needs to be detected by a large endoscopic device, which is not convenient for detection and affects the detection efficiency, and causes fatigue when plugging frequently under the manual extension pipe structure.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] The oilfield well pipe inner wall corrosion defect endoscopic detection equipment comprises a support box body, the bottom surface of the support box body is symmetrically connected with bottom pads through screw threads, the top surface of the support box body is horizontally provided with a top groove, the inner side of the top groove is horizontally connected with a handle rod, one side of the support box body is provided with a side groove, the inner side of the side groove is symmetrically connected with sealing door plates, one side of the support box body is horizontally provided with a side storage groove, the inner side of the side storage groove is horizontally connected with a turnover plate body, the top surface of the turnover plate body is fixedly connected with a display panel, the top surface of the side storage groove is provided with a turnover groove, one side of the turnover plate body is connected with a turnover clamping block, the inner side wall of the support box body is fixedly connected with an internal power supply, the inner side wall of the support box body is fixedly provided with a main control box, the inner side of the main control box is fixedly connected with a monitoring mainboard, the inner side of the main control box is fixedly connected with a control mainboard, the inner side wall of the support box body is horizontally provided with a winding groove, the inner side of the winding groove is horizontally inserted with a winding shaft, the inner side of the side groove is fixedly inserted with a guide pipe body, one end of the winding groove is fixedly provided with a transmission motor, the outer side of the winding shaft is wound with an extension pipe body, one end of the extension pipe body is fixedly connected with a fixed end, one end of the fixed end is uniformly connected with a monitoring head.
[0007] As a preferred embodiment of the utility model: the number of bottom pad is four, and the top surface screw of four bottom pad is all correspondingly fixedly connected with screw thread and arranged at the bottom surface of support box body near the screw hole position of four corners, and the top groove is horizontally arranged at the center position of the top surface of support box body.
[0008] As a preferred embodiment of the utility model: the handle rod is connected and arranged at the inner side of top groove through the shaft rod of both ends, the sealing door plate is symmetrically connected and arranged at the inner side opening end position of side groove, the side storage groove is horizontally arranged at the side edge of support box body near the center position, and the display panel and control main board are electrically connected with each other.
[0009] As a preferred embodiment of the utility model: the turnover groove is arranged at the top surface center position of side storage groove, one end of turnover clamping block is connected and arranged at the side edge center hole of turnover plate body, and the other end is connected and arranged at the inner side of turnover groove through the shaft rod, and the inner power supply is horizontally fixedly arranged at the inner side of support box body near the bottom surface position.
[0010] As a preferred embodiment of the utility model: the monitoring main board and control main board are electrically connected with each other, the winding groove is horizontally arranged at the side edge position near side groove, the winding shaft rod is horizontally inserted and connected at the inner side of winding groove, and one end is horizontally extended and fixedly connected at the output end of transmission motor.
[0011] As a preferred embodiment of the utility model: one end of guide pipe body is fixedly inserted and connected at the inner side center position of side groove, the insertion end of guide pipe body is connected with the inside of winding groove, the extension pipe body is made of hard rubber pipe material, and the extension pipe body is inserted and connected at the inner side of guide pipe body in a penetrating mode, and a plurality of monitoring heads are electrically connected with each other with monitoring main board.
[0012] Compared with the prior art, the utility model has the advantages of:
[0013] The utility model discloses a support box can be carried to the top opening designated position of well pipe and place after the handle of the handle bar of top surface is held, and the sealing door plate of side edge is turned over and opened, and the turning -over plate body is turned over from the inside of side storage groove, and the turning -over card block is turned over to the specified angle in the inside of turning -over groove, thereby setting control operation is carried out to display panel, and the control mainboard controls transmission motor rotation operation, and the output end drives the winding shaft rod rotation processing, makes the fixed end of one end extend outward under the extruding effect of rotation of the extension pipe body that the outside winds, and under the guidance of the guide pipe body, the extension pipe body can extend outward efficiently, and the fixed end of extension end is inserted to the inside edge of well pipe, and after continuously inserting to the specified depth, the monitoring mainboard and monitoring head cooperate each other and monitor the inside wall of well pipe, and the picture of monitoring is transmitted to display panel and is displayed to observe and record processing, and under the adoption of integrated structure, convenient carrying detection is used, and under the electric extension structure, the deep position of well pipe can be extended and endoscopic detection is operated. BRIEF DESCRIPTION OF DRAWINGS
[0014] Other features, objects, and advantages of the utility model will become more apparent from the following detailed description of non-limiting embodiments, which are read in conjunction with the accompanying drawings:
[0015] Figure 1 It is the three-dimensional structure schematic diagram of oil field well pipe inner wall corrosion defect endoscopic detection equipment;
[0016] Figure 2 It is the three-dimensional installation connection detail structure schematic diagram of oil field well pipe inner wall corrosion defect endoscopic detection equipment;
[0017] Figure 3 It is the support box three-dimensional section connection detail structure schematic diagram of oil field well pipe inner wall corrosion defect endoscopic detection equipment;
[0018] Figure 4 It is the winding groove three-dimensional section connection detail structure schematic diagram of oil field well pipe inner wall corrosion defect endoscopic detection equipment.
[0019] In the drawing: 1, support box;2, bottom pad;3, top groove;4, handle bar;5, side groove;6, sealing door plate;7, side storage groove;8, turning -over plate body;9, display panel;10, turning -over groove;11, turning -over card block;12, internal power supply;13, main control box;14, monitoring mainboard;15, control mainboard;16, winding groove;17, winding shaft rod;18, guide pipe body;19, transmission motor;20, extension pipe body;21, fixed end;22, monitoring head. DETAILED DESCRIPTION
[0020] Please refer to Figure 1The utility model discloses an oil field well pipe inner wall corrosion defect endoscopic detection equipment, including support box body 1, the bottom surface symmetry screw fixed connection of support box body 1 has bottom cushion block 2, the top surface horizontal of support box body 1 is provided with top groove 3, the number of bottom cushion block 2 is four, and the top surface screw of four bottom cushion block 2 all one -to -one threaded fixed connection is set in the bottom surface near four edge angle screw hole position of support box body 1, and top groove 3 horizontal is provided in the top surface center position of support box body 1, and the inboard of top groove 3 horizontal clamping has handle bar 4, and one side of support box body 1 is provided with side groove 5, and the inboard of side groove 5 symmetry clamping has sealing door plate 6, and one side of support box body 1 horizontal is provided with side storage groove 7, and the inboard of side storage groove 7 horizontal clamping has overturning plate body 8, and the top surface horizontal fixed clamping of overturning plate body 8 has display panel 9, and handle bar 4 is connected through the axle rod of both ends and is set in the inboard of top groove 3, and sealing door plate 6 symmetry clamping is set in the inboard opening end position of side groove 5, and side storage groove 7 horizontal is provided in one side of support box body 1 near the center position, and display panel 9 and control mainboard 15 keep electrical connection between each other;
[0021] Please refer to Figures 2-4The utility model discloses an oilfield well pipe inner wall corrosion defect endoscopic detection equipment, wherein the top surface of the side storage groove 7 is provided with a turnover groove 10, a turnover plate body 8 is provided with a turnover clamping block 11 on one side, an inner power supply 12 is horizontally fixedly connected on the inner side wall of the support box body 1, the turnover groove 10 is arranged at the top surface center position of the side storage groove 7, one end of the turnover clamping block 11 is arranged in the side edge center hole of the turnover plate body 8, and the other end is connected to the inner side edge of the turnover groove 10 through a shaft rod, the inner power supply 12 is horizontally fixedly arranged on the inner side of the support box body 1 close to the bottom surface, the inner side wall of the support box body 1 is fixedly provided with a main control box 13, the inner side edge of the main control box 13 is fixedly connected with a monitoring main board 14, the inner side edge of the main control box 13 is fixedly connected with a control main board 15, the inner side wall of the support box body 1 is horizontally provided with a winding groove 16, the inner side edge of the winding groove 16 is horizontally inserted with a winding shaft rod 17, the monitoring main board 14 and the control main board 15 are electrically connected with each other, the winding groove 16 is horizontally arranged at the side edge position close to the side groove 5, the winding shaft rod 17 is horizontally inserted and arranged at the inner side edge center line position of the winding groove 16, and one end is horizontally extended and fixedly connected to the output end of a transmission motor 19, the inner side edge of the side groove 5 is horizontally fixedly inserted with a guide pipe body 18, one end of the winding groove 16 is fixedly provided with the transmission motor 19, the outer side edge of the winding shaft rod 17 is wound with an extension pipe body 20, one end of the extension pipe body 20 is fixedly connected with a fixed end 21, and one end of the fixed end 21 is uniformly connected with a monitoring head 22, one end of the guide pipe body 18 is fixedly inserted and arranged at the inner side center position of the side groove 5, the inserted end of the guide pipe body 18 is connected with the inside of the winding groove 16, the extension pipe body 20 is made of hard rubber pipe material, and the extension pipe body 20 is inserted and arranged at the inner side edge of the guide pipe body 18 in a penetrating mode, and the plurality of monitoring heads 22 are electrically connected with each other.
[0022] The working principle of the utility model is:
[0023] After holding the top handle bar 4, the support box 1 can be lifted and carried to the top opening of the well pipe, and placed at the designated position. After the sealing door plate 6 on the side is turned open, the turning plate body 8 is turned out from the inside of the side storage groove 7, the turning block 11 is turned to the designated angle in the turning groove 10, the display panel 9 is set and controlled, the control mainboard 15 controls the transmission motor 19 to rotate, the output end drives the winding shaft 17 to rotate, the outer winding extension pipe body 20 is extended outward under the extrusion of the rotating extension pipe body 20, the fixed end head 21 at one end is extended outward, the extension pipe body 20 is efficiently extended outward under the guidance of the guide pipe body 18, the fixed end head 21 at the extension end is inserted into the inner side of the well pipe, and the inner wall of the well pipe is monitored under the cooperation of the monitoring head 22 and the monitoring mainboard 14. The picture is transmitted to the display panel 9 for display, observation and recording.
[0024] The above is only a preferred embodiment of the present application, but the protection scope of the present application is not limited thereto. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered by the protection scope of the present application.
Claims
1. An endoscopic inspection device for corrosion defects on the inner wall of oilfield well pipes, comprising a support box (1), characterized in that, The bottom surface of the support box (1) is symmetrically threaded and fixedly connected to a bottom pad (2). The top surface of the support box (1) is horizontally provided with a top groove (3). The inner side of the top groove (3) is horizontally snapped with a handle (4). The side side of the support box (1) is provided with a side groove (5). The inner side of the side groove (5) is symmetrically snapped with a sealing door panel (6). The side side of the support box (1) is horizontally provided with a side storage groove (7). The inner side of the side storage groove (7) is horizontally snapped with a flip plate (8). The top surface of the flip plate (8) is horizontally fixed and snapped with a display panel (9). The top surface of the side storage groove (7) is provided with a flip groove (10). The side side of the flip plate (8) is snapped with a flip block (11). The inner wall of the support box (1) is horizontally fixed and snapped with an internal power supply (). 12) A main control box (13) is fixedly installed on the inner side wall of the support box (1). A monitoring motherboard (14) is fixedly snapped onto the inner side of the main control box (13). A control motherboard (15) is fixedly snapped onto the inner side of the main control box (13). A winding groove (16) is horizontally opened on the inner side wall of the support box (1). A winding shaft rod (17) is horizontally inserted into the inner side of the winding groove (16). A guide tube (18) is horizontally fixedly inserted into the inner side of the side groove (5). A transmission motor (19) is fixedly installed at one end of the winding groove (16). An extension tube (20) is wound around the outer side of the winding shaft rod (17). A fixed end (21) is fixedly connected to one end of the extension tube (20). A monitoring head (22) is evenly snapped onto one end of the fixed end (21).
2. The endoscopic inspection device for detecting corrosion defects on the inner wall of oilfield well pipes according to claim 1, characterized in that, The number of the bottom pads (2) is four, and the top screws of the four bottom pads (2) are all threadedly fixedly connected to the bottom surface of the support box (1) near the four corner screw holes. The top channel (3) is horizontally opened at the center of the top surface of the support box (1).
3. The endoscopic inspection device for detecting corrosion defects on the inner wall of oilfield well pipes according to claim 1, characterized in that, The handle (4) is connected to the inner side of the top channel (3) by the shafts at both ends. The sealing door panel (6) is symmetrically snapped into the inner opening of the side channel (5). The side storage slot (7) is horizontally opened on one side of the supporting box (1) near the center. The display panel (9) and the control main board (15) are electrically connected to each other.
4. The endoscopic inspection device for detecting corrosion defects on the inner wall of oilfield well pipes according to claim 1, characterized in that, The flip groove (10) is located at the center of the top surface of the side storage groove (7). One end of the flip block (11) is snapped into the center hole on the side of the flip plate (8), and the other end is connected to the inner side of the flip groove (10) via a shaft. The internal power supply (12) is horizontally fixed on the inner side of the support box (1) near the bottom surface.
5. The endoscopic inspection device for detecting corrosion defects on the inner wall of oilfield well pipes according to claim 1, characterized in that, The monitoring motherboard (14) and the control motherboard (15) are electrically connected to each other. The take-up channel (16) is horizontally opened on the side near the side channel (5). The take-up shaft (17) is horizontally inserted into the center axis of the inner side of the take-up channel (16), and one end is horizontally extended and fixedly connected to the output end of the transmission motor (19).
6. The endoscopic inspection device for detecting corrosion defects on the inner wall of oilfield well pipes according to claim 1, characterized in that, One end of the guide tube (18) is fixedly inserted into the center of the inner side of the side channel (5), and the insertion end of the guide tube (18) is connected to the inside of the winding channel (16). The extension tube (20) is made of hard rubber tube material and is inserted through the inner side of the guide tube (18). Multiple monitoring heads (22) and the monitoring motherboard (14) are electrically connected to each other.