Cable anti-overflow device for oil-water well test

Abstract

The utility model relates to a cable anti-overflow device for oil-water well testing, which comprises an overflow pipe, a connecting seat fixedly mounted on one side of the overflow pipe, a vertical rod inserted into the connecting seat, a cable inserted into the vertical rod, a baffle fixedly mounted in the overflow pipe, a water drain pipe fixedly mounted on one side of the baffle, and a moving assembly arranged in the overflow pipe. The moving assembly comprises a sliding groove, a supporting rod, a sliding block, an annular fixing block, an upper electrode plate, a lower electrode plate, a foam plate, an annular block, a storage battery and an alarm, through the arranged moving assembly, when liquid in the oil-water well rises, the lower electrode plate can be driven to move through the foam plate, an alarm is triggered at the joint of the upper electrode plate and the lower electrode plate, workers are reminded, and the working efficiency is improved. When the liquid in the oil-water well exceeds the safety line, the waterproof motor can be started through the control module by arranging the pressure sensor, the circular baffle on the rotating rod is driven to rotate, and the liquid in the oil-water well is prevented from flowing out.

Description

Technical Field

[0001] The utility model relates to the technical field of oil and water well testing, in particular to a cable overflow prevention device used for oil and water well testing. Background Art

[0002] Oil and water well testing refers to the process of geological exploration, capacity evaluation and production monitoring of oil fields or water wells. When testing oil and water wells, a cable overflow prevention device is required. The cable overflow prevention device is a device used for oil and water well testing. Its function is to prevent overflow accidents during oil and water well testing. This device is usually composed of overflow prevention valves, pressure relief valves, overflow pipes and control systems.

[0003] After searching, the Chinese patent with the announcement number of CN108533207A discloses a wellhead sealing device for armored cable testing, including a blowout box mechanism, a choke tube mechanism and a pulley mechanism, wherein the pulley mechanism is connected to the lower part of the choke tube mechanism, a blowout box mechanism is arranged on the upper part of the choke tube mechanism, and a sealing ring flow tube is arranged in the choke tube mechanism. The device of the present invention allows the cable to move up and down (testing process) in the sealing grease all the time, ensuring the safety and fastness of the test, reducing human resources and labor intensity, and reducing the use of cranes. Overflow waste liquid can be introduced into the waste liquid recovery container to protect the environment. When the sealing grease injected from the quick connector is squeezed into the gap between the cable and the choke tube mechanism, a pressure difference is formed, forcing the pressure of the injected sealing grease to be balanced with the wellhead pressure. In this way, coupled with the effect of the blowout box mechanism, no leakage at the wellhead is achieved.

[0004] When this patent is actually used, there are the following defects:

[0005] In this patent, the cable is moved up and down (testing process) in the sealing grease all the time, which ensures the safety and speed of the test and reduces human resources and labor intensity. However, when testing oil and water wells, since the pressure at the wellhead cannot be detected in real time, the liquid in the oil and water wells may overflow, causing safety accidents and environmental pollution. Utility Model Content

[0006] In view of the technical problem in the existing patents that when testing oil and water wells, the pressure at the wellhead cannot be detected in real time, which may cause liquid in the oil and water wells to overflow, resulting in safety accidents and environmental pollution, the utility model provides a cable overflow prevention device for oil and water well testing.

[0007] The technical solution adopted by the utility model is: a cable overflow prevention device for oil and water well testing, including an overflow pipe, a connecting seat is fixedly installed on one side of the overflow pipe, a vertical rod is inserted in the connecting seat, a cable is inserted in the vertical rod, a baffle is fixedly installed in the overflow pipe, a drain pipe is fixedly installed on one side of the baffle, a movable component is arranged in the overflow pipe, the movable component includes a slide groove, a support rod, a sliding block, an annular fixed block, an upper electrode sheet, a lower electrode sheet, a foam plate, an annular block, a battery and an alarm, and a slide groove is opened on the outer side of the vertical rod.

[0008] Furthermore, the annular fixing block is fixedly mounted on the vertical rod, and one end of the vertical rod is fixedly mounted on the annular fixing block, the upper electrode sheet is fixedly mounted on the bottom of the annular fixing block, the annular block is sleeved on the vertical rod, the sliding block is slidably connected in the sliding groove, and the support rod is inserted in the sliding block, and can move along the sliding groove through the set sliding block.

[0009] Furthermore, the other end of the support rod is fixedly installed in the slide groove, the lower electrode sheet and the foam plate are respectively fixedly installed on the annular block, the two ends of the alarm are respectively connected to the upper electrode sheet and the battery through wires, and the other end of the battery is connected to the lower electrode sheet through wires. The set alarm can remind the staff that the liquid in the oil and water well exceeds the safety line.

[0010] Furthermore, a pressure sensor is fixedly installed on the lower surface of the baffle, a control module is fixedly installed on one side of the connecting seat, and a base plate is fixedly installed on one side of the connecting seat. Through the control module, the waterproof motor can be designated to start the waterproof motor.

[0011] Furthermore, a waterproof motor is fixedly mounted on the upper surface of the base plate, a rotating rod is inserted into the drain pipe, a circular baffle is fixedly mounted on the rotating rod, and the circular baffle fits the inner wall of the drain pipe, and the output end of the waterproof motor is fixedly mounted on the rotating rod. The liquid in the oil and water well can be blocked by the arranged circular baffle.

[0012] The beneficial effects of the utility model are:

[0013] 1. Through the mobile components, when the liquid in the oil and water wells rises, the foam board can drive the lower electrode sheet to move, so that the upper electrode sheet and the lower electrode sheet are connected, and then the alarm is triggered to remind the staff that the liquid in the oil and water wells exceeds the safety line and stop it in time.

[0014] 2. Through the set pressure sensor, when the liquid in the oil and water wells rushes out instantly and contacts the pressure sensor, the control module can be used to start the waterproof motor, driving the circular baffle on the rotating rod to rotate, thereby blocking the liquid in the oil and water wells from flowing out, and preventing the workers from being unable to react in time when the liquid in the oil and water wells flows out instantly, causing safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the connecting seat of the utility model;

[0017] Figure 3 This is a schematic diagram of the internal structure of the connecting seat and the overflow pipe of the utility model;

[0018] Figure 4 It is a schematic diagram of the structure of the mobile component in the utility model;

[0019] Figure 5 It is an enlarged structural schematic diagram of point A in the utility model.

[0020] Figure 6 It is a schematic diagram of the connection structure of the circular baffle and the rotating rod in the utility model.

[0021] The markings in the figure are:

[0022] 1. Overflow pipe; 2. Connecting seat; 3. Vertical rod; 4. Cable; 5. Baffle; 6. Drain pipe;

[0023] 7. Moving assembly; 701. Slide; 702. Support rod; 703. Sliding block; 704. Ring-shaped fixed block; 705. Upper electrode sheet; 706. Lower electrode sheet; 707. Foam board; 708. Ring block; 709. Battery; 70010. Alarm;

[0024] 8. Pressure sensor; 9. Control module; 10. Bottom plate; 11. Waterproof motor; 12. Rotating rod; 13. Circular baffle. DETAILED DESCRIPTION

[0025] In the description of the present invention, it should be noted that the terms "front", "up", "down", "left", "right", "vertical", "horizontal", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The following is combined with Figure 1-6 The utility model is further described.

[0028] In order to solve the problems existing in the background technology, the present application proposes the following technical solution: a cable overflow prevention device for oil and water well testing.

[0029] The specific technical solution includes an overflow pipe 1, a connecting seat 2 is fixedly installed on one side of the overflow pipe 1, a vertical rod 3 is inserted into the connecting seat 2, a cable 4 is inserted into the vertical rod 3, a baffle 5 is fixedly installed in the overflow pipe 1, a drain pipe 6 is fixedly installed on one side of the baffle 5, a movable component 7 is arranged in the overflow pipe 1, the movable component 7 includes a slide groove 701, a support rod 702, a sliding block 703, an annular fixed block 704, an upper electrode sheet 705, a lower electrode sheet 706, a foam board 707, an annular block 708, a battery 709 and an alarm 70010, and a slide groove 701 is opened on the outer side of the vertical rod 3.

[0030] The annular fixing block 704 is fixedly mounted on the vertical rod 3, and one end of the vertical rod 3 is fixedly mounted on the annular fixing block 704, the upper electrode sheet 705 is fixedly mounted on the bottom of the annular fixing block 704, the annular block 708 is sleeved on the vertical rod 3, the sliding block 703 is slidably connected in the slide groove 701, and the support rod 702 is inserted in the sliding block 703, the other end of the support rod 702 is fixedly mounted in the slide groove 701, the lower electrode sheet 706 and the foam board 707 are respectively fixedly mounted on the annular block 708, and the two ends of the alarm 70010 are respectively connected to the upper electrode sheet 705 and the battery 709 through wires, and the other end of the battery 709 is connected to the lower electrode sheet 706 through wires. Through the set alarm 70010, an alarm can be sounded to warn the staff.

[0031] In order for those skilled in the art to fully understand the technical solution, this application makes the following overall summary:

[0032] The overflow pipe 1 is placed in the oil well, and then when the liquid in the oil and water well slowly rises, it can contact the foam plate 707 on the vertical rod 3, so that the foam plate 707 drives the annular block 708 to move upward, and the sliding block 703 set on one side of the annular block 708 moves upward along the slide groove 701, and then the lower electrode sheet 706 set on one side of the annular block 708 slowly contacts the upper electrode sheet 705 on the lower surface of the annular fixed block 704, so that the upper electrode sheet 705 and the lower electrode sheet 706 are connected, and then the alarm can be triggered to make the alarm 70010 sound an alarm, because the annular fixed block 704 is set at the safety line position in the oil well, when the liquid in the oil and water well breaks through the safety line, an alarm will be triggered to remind the staff to deal with the liquid in the oil and water well in time.

[0033] A pressure sensor 8 is fixedly installed on the lower surface of the baffle 5, a control module 9 is fixedly installed on one side of the connecting seat 2, a base plate 10 is fixedly installed on one side of the connecting seat 2, a waterproof motor 11 is fixedly installed on the upper surface of the base plate 10, a rotating rod 12 is inserted into the drain pipe 6, a circular baffle 13 is fixedly installed on the rotating rod 12, and the circular baffle 13 is attached to the inner wall of the drain pipe 6, and the output end of the waterproof motor 11 is fixedly installed on the rotating rod 12.

[0034] When the liquid pressure in the oil and water well is too high and rushes out instantly, although the alarm 70010 can remind the staff, it cannot block the liquid in the oil and water well from flowing out in time. At this time, the pressure sensor 8 set at the bottom of the baffle 5 can be used to block the liquid in the oil and water well that rushes out instantly. When the pressure value is exceeded, the value can be transmitted to the control module 9, and then the control module 9 issues an instruction to the waterproof motor 11 to start the waterproof motor 11, so that the waterproof motor 11 drives the rotating rod 12 to rotate, and drives the circular baffle 13 to rotate, so that the circular baffle 13 blocks the outlet position of the drain pipe 6, thereby preventing the liquid in the oil and water well from being discharged from the drain pipe 6, causing safety accidents and environmental pollution.

[0035] The standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description in the specification and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the prior art. The machinery, parts and equipment all adopt the conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0036] Although the embodiments of the present invention have been shown and described, it will be apparent to those skilled in the art that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cable overflow prevention device for oil and water well testing, characterized in that: The invention comprises an overflow pipe (1), a connection seat (2) is fixedly installed on one side of the overflow pipe (1), a vertical rod (3) is inserted into the connection seat (2), a cable (4) is inserted into the vertical rod (3), a baffle (5) is fixedly installed in the overflow pipe (1), a drain pipe (6) is fixedly installed on one side of the baffle (5), a movable assembly (7) is arranged in the overflow pipe (1), and the movable assembly (7) comprises a slide groove (701), a support rod (702), a sliding block (703), an annular fixed block (704), an upper electrode sheet (705), a lower electrode sheet (706), a foam plate (707), an annular block (708), a battery (709) and an alarm (70010), and a slide groove (701) is provided on the outer side of the vertical rod (3).

2. A cable overflow prevention device for oil and water well testing according to claim 1, characterized in that: The annular fixing block (704) is fixedly mounted on the vertical rod (3), and one end of the vertical rod (3) is fixedly mounted on the annular fixing block (704), and the upper electrode sheet (705) is fixedly mounted on the bottom of the annular fixing block (704).

3. The cable overflow prevention device for oil and water well testing according to claim 1, characterized in that: The annular block (708) is sleeved on the vertical rod (3), the sliding block (703) is slidably connected in the sliding groove (701), and the supporting rod (702) is inserted into the sliding block (703).

4. A cable overflow prevention device for oil and water well testing according to claim 1, characterized in that: The other end of the support rod (702) is fixedly mounted in the slide groove (701), and the lower electrode sheet (706) and the foam plate (707) are respectively fixedly mounted on the annular block (708).

5. The cable overflow prevention device for oil and water well testing according to claim 1, characterized in that: Two ends of the alarm (70010) are connected to the upper electrode sheet (705) and the storage battery (709) respectively through wires, and the other end of the storage battery (709) is connected to the lower electrode sheet (706) through wires.

6. A cable overflow prevention device for oil and water well testing according to claim 1, characterized in that: A pressure sensor (8) is fixedly mounted on the lower surface of the baffle (5), a control module (9) is fixedly mounted on one side of the connection base (2), and a base plate (10) is fixedly mounted on one side of the connection base (2).

7. A cable overflow prevention device for oil and water well testing according to claim 6, characterized in that: A waterproof motor (11) is fixedly mounted on the upper surface of the bottom plate (10); a rotating rod (12) is inserted into the drain pipe (6); a circular baffle (13) is fixedly mounted on the rotating rod (12); and the circular baffle (13) is attached to the inner wall of the drain pipe (6); and an output end of the waterproof motor (11) is fixedly mounted on the rotating rod (12).

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