High-speed multifunctional perforation fracturing monitor

Abstract

The utility model discloses a high-speed multifunctional perforation fracturing monitor which comprises a connector, an outer cylinder, a power supply assembly, a detection probe and a probe outer pipe, and a first sealing assembly, a second sealing assembly, a third sealing assembly, a fourth sealing assembly and a fifth sealing assembly are arranged among the outer cylinder, the connector and the probe outer pipe. The power supply assembly is arranged in a sealed cavity formed by the first sealing assembly, the second sealing assembly, the third sealing assembly, the fourth sealing assembly and the fifth sealing assembly at the two ends of the outer cylinder respectively so as to prevent erosion of water vapor. The first sealing assembly, the second sealing assembly, the third sealing assembly, the fourth sealing assembly and the fifth sealing assembly are arranged at the two ends of the outer cylinder correspondingly, multiple sealing structures are formed and located in the radial direction and the axis direction correspondingly, the multiple sealing effect is formed, and the problems that an existing single O-shaped sealing ring is poor in sealing effect, and the sealing effect is poor are solved. And thus, internal power supply parts are damaged.

Description

Technical Field

[0001] The utility model relates to the technical field of perforation detection, in particular to a high-speed multifunctional perforation fracturing monitor. Background Art

[0002] During conventional fracturing (or perforating) processes, it is necessary to accurately record high-speed changes in fracturing (or perforating) vibration, pressure, temperature, etc. Therefore, a monitor is needed to collect and record data during the fracturing (perforating) process.

[0003] A Chinese utility model patent with publication number CN202659228U discloses a perforating pressure gauge, a perforating pressure gauge dispenser, and a perforating pressure gauge salvage device, which mainly include a power supply component, a circuit casing, a pressure collection component, and a pressure transmission joint. In order to prevent the ingress of external liquid, an O-ring is provided between the battery tube and the circuit casing for sealing. However, after long-term use, the sealing effect of a single O-ring is often poor, which in turn causes damage to the internal power supply components. Utility Model Content

[0004] The purpose of the utility model is to make up for the deficiencies of the prior art and to provide a high-speed multifunctional perforation and fracturing monitor.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A high-speed multifunctional perforation and fracturing monitor comprises a connector, an outer tube, and a probe outer tube connected in sequence. A power supply assembly is provided inside the outer tube, and a detection probe for temperature and pressure detection is installed inside the probe outer tube.

[0007] The inner wall of the outer cylinder is threadedly connected to one end of the probe outer tube. A first sealing component is provided between the inner wall of the outer cylinder and the outer side wall of the probe outer tube. A second sealing component is provided between the end face of the outer cylinder and the probe outer tube. The first sealing component and the second sealing component form a multi-channel sealing structure to seal the connection portion between the outer cylinder and the probe outer tube.

[0008] The outer side wall of the other end of the outer tube is threadedly connected to the inner wall of the connector, a fifth sealing assembly is provided between the end face of the connector and the outer tube, a third sealing assembly is provided between the inner wall of the connector and the outer wall of the outer tube, a top block is provided in the outer tube, one end of the top block is threadedly connected to the outer tube, the other end of the top block is located inside the connector, a fourth sealing assembly is provided between the outer wall of the top block and the inner wall of the outer tube, the third sealing assembly, the fourth sealing assembly and the fifth sealing assembly form a multi-channel sealing structure to seal the connection part of the outer tube and the connector.

[0009] Furthermore, one end of the probe outer tube is a first stepped structure, and one of the step surfaces of the first stepped structure is threadedly connected to the outer tube, and a first groove is provided on the other step surface of the first stepped structure, and a first sealing assembly is installed inside the first groove.

[0010] Furthermore, one end of the outer cylinder is a second stepped structure, one of the stepped surfaces of the second stepped structure is threadedly connected to the connector, and the other stepped surface of the second stepped structure is provided with a second groove;

[0011] The third sealing component is located inside the second groove; the fifth sealing component is arranged at the intersection of two adjacent step surfaces of the second stepped structure.

[0012] Furthermore, the first sealing component and the third sealing component are both O-rings;

[0013] The fifth sealing assembly and the second sealing assembly are both C-shaped metal sealing rings;

[0014] The fourth sealing component is a conical sealing ring.

[0015] Furthermore, a pressure inlet cap is installed at one end of the probe outer tube away from the outer cylinder, a probe seat is installed inside the probe outer tube, and the detection probe is installed on the probe seat.

[0016] Furthermore, the power supply assembly includes a mounting mechanism having a chamber disposed inside the outer cylinder, one end of the mounting mechanism contacts the end of the first stepped structure, and the other end of the mounting mechanism is connected to a Lemmer connector;

[0017] A battery pack is installed in the mounting mechanism, and a circuit skeleton is provided between the battery pack and the probe outer tube. Two ends of the circuit skeleton are in contact with the battery pack and the probe outer tube respectively, and one side of the circuit skeleton is fixedly connected to the inner wall of the mounting mechanism;

[0018] A buffer assembly is provided between the battery pack and the Lemo connector for supporting the battery pack and providing a buffer margin; the buffer assembly includes a battery back seat with an I-shaped cross-section and a spring, one end of the battery back seat is sleeved on one end of the battery pack, and the other end of the battery back seat is sleeved on one side of the spring, and the other side of the spring is in contact with one end of the Lemo connector.

[0019] Furthermore, the mounting mechanism includes a battery cartridge, one end of which is fixedly sleeved on one end of the probe outer tube, and the other end of which is fixedly sleeved on one end of the Lemo connector;

[0020] The side wall of the battery can is provided with an opening, and a battery cover is provided in the opening. One end of the battery cover is fixedly connected to the outer tube of the probe, and the other end of the battery cover is fixedly connected to the Lemo connector. The battery can and the battery cover form a cylindrical structure with two ends open.

[0021] The spring, the battery rear seat, the battery pack and the circuit skeleton are all arranged inside the cylindrical structure.

[0022] Furthermore, one end of the connector is threadedly connected to a protective cap for protecting the connector.

[0023] Compared with existing technologies, this high-speed multifunctional perforation and fracturing monitor has the following beneficial effects:

[0024] 1. The utility model forms a multi-channel sealing structure by respectively arranging a first sealing component, a second sealing component, a third sealing component, a fourth sealing component and a fifth sealing component at both ends of the outer cylinder. The multi-channel sealing structure is located in multiple radial and axial directions to form a multiple sealing effect, thereby solving the problem that the sealing effect of the existing single O-ring is often poor, which in turn causes damage to the internal power supply components.

[0025] 2. The utility model uses a threaded connection between the connector and the probe outer tube and the outer tube to facilitate disassembly of the outer tube and inspection and maintenance of the internal electrical components. At the same time, the pressure inlet cap and the probe outer tube are connected by a thread to facilitate replacement of different pressure inlet caps and adjustment of the direction of liquid inflow to adapt to different construction conditions. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0027] Figure 2 This is a partial exploded schematic diagram of the front section of the present invention;

[0028] Figure 3 This is a partial exploded schematic diagram of the middle section of the present invention;

[0029] Figure 4 This is a partial exploded schematic diagram of the rear section of the utility model;

[0030] Figure 5 This is a cross-sectional view of the outer cylinder of the utility model;

[0031] Figure 6 This is a cross-sectional view of the pressure inlet cap of the utility model;

[0032] Figure 7 It is a cross-sectional view of the protective cap in the present utility model.

[0033] In the figure: 1. Pressure inlet cap; 2. Probe outer tube; 3. Outer tube; 4. Connector; 5. Protective cap; 6. Probe base; 7. Detection probe; 8. Battery tube; 9. Battery cover; 10. Lemo connector; 11. Conical sealing ring; 12. Top block; 13. Circuit skeleton; 14. Battery pack; 15. Battery back seat; 16. Spring. DETAILED DESCRIPTION

[0034] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0035] like Figure 1-7 As shown, the utility model provides a technical solution: a high-speed multifunctional perforating and fracturing monitor, comprising a connector 4, an outer tube 3 and a probe outer tube 2 connected in sequence, a power supply component is provided inside the outer tube 3, and a detection probe 7 for temperature and pressure detection is installed in the probe outer tube 2; the inner wall of the outer tube 3 is threadedly connected to one end of the probe outer tube 2, a first sealing component is provided between the inner wall of the outer tube 3 and the outer wall of the probe outer tube 2, a second sealing component is provided between the end face of the outer tube 3 and the probe outer tube 2, the first sealing component and the second sealing component form a multi-channel sealing structure to seal the connection part of the outer tube 3 and the probe outer tube 2; the outer wall of the other end of the outer tube 3 is threadedly connected to the inner wall of the connector 4, and a There is a fifth sealing component, a third sealing component is arranged between the inner wall of the connector 4 and the outer wall of the outer tube 3, a top block 12 is arranged in the outer tube 3, one end of the top block 12 is threadedly connected to the outer tube 3, and the other end of the top block 12 is located inside the connector 4, and a fourth sealing component is arranged between the outer wall of the top block 12 and the inner wall of the outer tube 3. The third sealing component, the fourth sealing component and the fifth sealing component form a multi-channel sealing structure to seal the connection part of the outer tube 3 and the connector 4; wherein, the first sealing component, the second sealing component, the third sealing component, the fourth sealing component and the fifth sealing component are respectively used to seal the two ends of the outer tube 3 so that the interior of the outer tube 3 forms a sealed chamber, and the power supply component is arranged in the sealed chamber to prevent erosion by water vapor.

[0036] One end of the connector 4 is threadedly connected to a protective cap 5 for protecting the connector 4; one end of the probe outer tube 2 is a first step structure, and one of the step surfaces of the first step structure is threadedly connected to the outer tube 3, and a first groove is provided on the other step surface of the first step structure, and a first sealing assembly is installed inside the first groove; when in use, the end of the probe outer tube 2 located inside the outer tube 3 is a first end face, and the edge of the first end face is connected to the first step vertical face, the edge of the first step vertical face is connected to the first step horizontal face, and the edge of the first step horizontal face is connected to the second step vertical face, and so on, wherein the horizontal face is perpendicular to the axis of the probe outer tube 2, the thread on the probe outer tube 2 is arranged on the second step vertical face, the first groove is arranged on the third step vertical face, and the second sealing assembly is arranged on the third step horizontal face, so that the first sealing assembly and the second sealing assembly can seal the connection in different directions to improve the sealing effect.

[0037] One end of the outer cylinder 3 is a second step structure, one of the step surfaces of the second step structure is threadedly connected to the connector 4, and the other step surface of the second step structure is provided with a second groove; the third sealing assembly is located inside the second groove; the fifth sealing assembly is arranged at the intersection of two adjacent step surfaces of the second step structure; when in use, the end of the outer cylinder 3 located inside the connector 4 is the second end surface, the edge of the second end surface is connected to the first step surface, the edge of the first step surface is connected to the second step surface, the edge of the second step surface is connected to the third step surface, and so on, and the odd-numbered step surfaces are vertical surfaces, the even-numbered step surfaces are horizontal surfaces, and the horizontal surface is perpendicular to the axis, a thread is provided on the first step surface, and it is adapted to the thread of the connector 4, the second groove is provided on the third step surface, and the fifth sealing assembly is located on the fourth step surface, which is used to form multiple seals in different directions to improve the sealing effect.

[0038] The first sealing assembly and the third sealing assembly are both O-rings; the fifth sealing assembly and the second sealing assembly are both C-type metal sealing rings; the fourth sealing assembly is a tapered sealing ring 11; when in use, the O-ring, C-type metal sealing ring and the tapered sealing ring 11 are used to seal at different positions to form multiple seals and improve the sealing effect; first, the first sealing assembly, the third sealing assembly and the fifth sealing assembly, the second sealing assembly and the fourth sealing assembly are respectively located at different positions, along the axial direction of the entire device and along the radial direction, and the tapered sealing ring 11 that takes into account both the axial and radial directions, to form multiple different sealing structures in multiple axial and radial directions to improve the overall sealing effect, while at the same time, the characteristics of the sealing ring improve the overall vibration resistance of the device, while the sealing effect of rubber and metal multiple materials is used to further improve the sealing effect, at the same time, the connection points of the outer cylinder 3 are all threaded connections, and the self-locking characteristics of the threads, as well as the high friction and tightness between the threads, further enhance the vibration resistance and sealing effect of the device.

[0039] A pressure inlet cap 1 is installed at the end of the probe outer tube 2 away from the outer cylinder 3, a probe seat 6 is installed inside the probe outer tube 2, and the detection probe 7 is installed on the probe seat 6; when in use, the pressure inlet cap 1 and the probe outer tube 2 are threadedly connected to facilitate replacement and cleaning of the pressure inlet cap 1, and a sealing ring is provided between the probe seat 6 and the probe outer tube 2 to improve the sealing effect between the probe seat 6 and the probe outer tube 2.

[0040] The power supply assembly includes a mounting mechanism with a chamber arranged inside the outer tube 3, one end of the mounting mechanism is in contact with the end of the first step structure, and the other end of the mounting mechanism is connected to the Ramer connector 10; a battery pack 14 is installed in the mounting mechanism, and a circuit skeleton 13 is arranged between the battery pack 14 and the probe outer tube 2, the two ends of the circuit skeleton 13 are in contact with the battery pack 14 and the probe outer tube 2 respectively, and one side of the circuit skeleton 13 is fixedly connected to the inner wall of the mounting mechanism by screws; a buffer assembly is provided between the battery pack 14 and the Ramer connector 10, for supporting the battery pack 14 and providing a buffer margin; the buffer assembly includes a battery back seat 15 with an I-shaped cross section and a spring 16, one end of the battery back seat 15 is sleeved on the battery pack 1 4, and the other end of the battery back seat 15 is sleeved on one side of the spring 16, and the other side of the spring 16 is in contact with one end of the Leimer connector 10; when in use, the spring 16 is made of metal conductive material, the cross-section of the battery back seat 15 is H-shaped, the outer side of the battery back seat 15 is in contact with the inner wall of the outer cylinder 3, the diameter of the spring 16 is smaller than the inner diameter of the battery back seat 15, and the battery back seat 15 is pushed to move by the spring 16 to squeeze and position the battery pack 14 to prevent the battery pack 14 from shaking and improve its stability; both ends of the probe outer tube 2 are open, which is convenient for the detection probe 7 and the battery pack 14 to be connected, and is used to power the detection probe 7 for temperature and pressure detection, and is sealed by a sealing ring or the like after the cable is connected.

[0041] The mounting mechanism includes a battery barrel 8, one end of the battery barrel 8 is sleeved on one end of the probe outer tube 2, and the battery barrel 8 and the probe outer tube 2 are connected by screws, and the other end of the battery barrel 8 is sleeved on one end of the Remer connector 10, and the battery barrel 8 and the Remer connector 10 are connected by screws; an opening is provided on the outside of the battery barrel 8, and a battery cover 9 is provided in the opening, one end of the battery cover 9 is connected to the probe outer tube 2 by screws, and the other end of the battery cover 9 is connected to the Remer connector 10 by screws, and the battery barrel 8 and the battery cover 9 form a cylindrical structure with two ends open; The spring 16, battery back seat 15, battery pack 14 and circuit skeleton 13 are all arranged inside the cylindrical structure; when in use, the side surfaces of the battery tube 8 and the battery cover 9 that are in contact with the probe outer tube 2 are both smooth surfaces and in close contact. The sealing effect can also be further improved by means of sealing gaskets, and the battery tube 8 and the battery cover 9 are in close contact. A sealing gasket can also be set at the contact position to further improve the sealing effect. Both ends of the battery tube 8 are annular, which are respectively put on the ends of the Lemo connector 10 and the probe outer tube 2, and then fixed by means of screws, etc.

Claims

1. A high-speed multifunctional perforation and fracturing monitoring instrument, comprising a connector (4), an outer tube (3), and a probe outer tube (2) connected in sequence, wherein a power supply component is provided inside the outer tube (3), and a detection probe (7) for temperature and pressure detection is installed inside the probe outer tube (2); characterized in that: The inner wall of the outer cylinder (3) is threadedly connected to one end of the probe outer tube (2); a first sealing component is provided between the inner wall of the outer cylinder (3) and the outer side wall of the probe outer tube (2); a second sealing component is provided between the end face of the outer cylinder (3) and the probe outer tube (2); the first sealing component and the second sealing component form a multi-channel sealing structure to seal the connection portion between the outer cylinder (3) and the probe outer tube (2); The outer wall of the other end of the outer cylinder (3) is threadedly connected to the inner wall of the connector (4), a fifth sealing component is provided between the end face of the connector (4) and the outer cylinder (3), a third sealing component is provided between the inner wall of the connector (4) and the outer wall of the outer cylinder (3), a top block (12) is provided in the outer cylinder (3), one end of the top block (12) is threadedly connected to the outer cylinder (3), the other end of the top block (12) is located inside the connector (4), a fourth sealing component is provided between the outer wall of the top block (12) and the inner wall of the outer cylinder (3), the third sealing component, the fourth sealing component and the fifth sealing component form a multi-channel sealing structure to seal the connection portion between the outer cylinder (3) and the connector (4).

2. The high-speed multifunctional perforation and fracturing monitoring instrument according to claim 1, characterized in that: One end of the probe outer tube (2) is a first stepped structure, and one of the stepped surfaces of the first stepped structure is threadedly connected to the outer cylinder (3), and a first groove is formed on the other stepped surface of the first stepped structure, and a first sealing assembly is installed inside the first groove.

3. The high-speed multifunctional perforation and fracturing monitoring instrument according to claim 2, characterized in that: One end of the outer cylinder (3) is a second stepped structure, one of the stepped surfaces of the second stepped structure is threadedly connected to the connector (4), and the other stepped surface of the second stepped structure is provided with a second groove; The third sealing component is located inside the second groove; the fifth sealing component is arranged at the intersection of two adjacent step surfaces of the second stepped structure.

4. The high-speed multifunctional perforation and fracturing monitoring instrument according to claim 3, characterized in that: The first sealing component and the third sealing component are both O-rings; The fifth sealing assembly and the second sealing assembly are both C-shaped metal sealing rings; The fourth sealing component is a conical sealing ring (11).

5. The high-speed multifunctional perforation and fracturing monitoring instrument according to claim 1, characterized in that: A pressure inlet cap (1) is installed at one end of the probe outer tube (2) away from the outer cylinder (3), a probe seat (6) is installed inside the probe outer tube (2), and the detection probe (7) is installed on the probe seat (6).

6. The high-speed multifunctional perforation and fracturing monitoring instrument according to claim 3, characterized in that: The power supply assembly includes a mounting mechanism with a chamber disposed inside the outer cylinder (3), one end of the mounting mechanism being in contact with the end of the first stepped structure, and the other end of the mounting mechanism being connected to a Lemmer connector (10); A battery pack (14) is installed in the mounting mechanism, and a circuit skeleton (13) is provided between the battery pack (14) and the probe outer tube (2), with two ends of the circuit skeleton (13) in contact with the battery pack (14) and the probe outer tube (2) respectively, and one side of the circuit skeleton (13) is fixedly connected to the inner wall of the mounting mechanism; A buffer assembly is provided between the battery pack (14) and the Lemo connector (10) for supporting the battery pack (14) and providing a buffer margin; the buffer assembly comprises a battery rear seat (15) having an I-shaped cross section and a spring (16), one end of the battery rear seat (15) being sleeved on one end of the battery pack (14), the other end of the battery rear seat (15) being sleeved on one side of the spring (16), and the other side of the spring (16) being in contact with one end of the Lemo connector (10).

7. The high-speed multifunctional perforation and fracturing monitoring instrument according to claim 6, characterized in that: The mounting mechanism comprises a battery cartridge (8), one end of the battery cartridge (8) being fixedly sleeved on one end of the probe outer tube (2), and the other end of the battery cartridge (8) being fixedly sleeved on one end of a Lemo connector (10); The side wall of the battery barrel (8) is provided with an opening, and a battery cover (9) is provided in the opening. One end of the battery cover (9) is fixedly connected to the probe outer tube (2), and the other end of the battery cover (9) is fixedly connected to the Lemo connector (10). The battery barrel (8) and the battery cover (9) form a cylindrical structure with two ends open. The spring (16), the battery rear seat (15), the battery pack (14) and the circuit skeleton (13) are all arranged inside the cylindrical structure.

8. The high-speed multifunctional perforation and fracturing monitoring instrument according to claim 1, characterized in that: One end of the connector (4) is threadedly connected to a protective cap (5) for protecting the connector (4).

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