Shale gas fracturing measuring device

Abstract

The utility model discloses a shale gas fracturing measuring device which comprises a device shell, the top end of the device shell is provided with a rotatably connected handle, the inner side of the device shell is provided with a fixing frame, and the outer side of the fixing frame is provided with a signal transmitter; the lateral pressure measuring assembly is located on the inner side of the device shell; and the bottom pressure measuring assembly is located at the bottom end of the device shell. Compared with the prior art, the device has the advantages that the device can be supported and fixed in hole channels with different hole diameters, the measurement is accurate, and the applicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure measurement, in particular to a shale gas fracturing measurement device. Background Art

[0002] In the process of shale gas development, fracturing is a key step. A mixture of water, sand and chemicals is injected into the wellbore through a high-pressure pump to form cracks in the rock layer and release the natural gas in the reservoir. In order to ensure the effectiveness of fracturing, it is necessary to accurately monitor the fracturing process and collect data in order to optimize the fracturing design.

[0003] However, the patents under the existing technology have the following disadvantages:

[0004] (1) The shale gas fracturing measurement device needs to be pre-drilled around the wellbore and buried. During the fracturing operation, the shale gas fracturing measurement device can monitor the pressure changes and then map the location and size of the crack distribution space. However, due to geological problems, the pre-drilled holes may have uneven sizes and irregular channels. The existing shale gas fracturing measurement device lacks a supporting structure and cannot be applied to different hole diameters and channels, resulting in low efficiency. Utility Model Content

[0005] The technical problem to be solved by the utility model is to overcome the above technical defects and provide a shale gas fracturing measurement device which can be supported and fixed in channels with different apertures and has high applicability.

[0006] In order to solve the above problems, the technical solution of the utility model is: a shale gas fracturing measurement device, comprising:

[0007] A device housing, wherein a handle for rotational connection is provided at the top of the device housing, a fixing frame is provided on the inner side of the device housing, and a signal transmitter is provided on the outer side of the fixing frame;

[0008] A lateral pressure measurement assembly, the lateral pressure measurement assembly being located inside the housing of the device;

[0009] A bottom pressure measuring assembly, the bottom pressure measuring assembly is located at the bottom end of the device housing, and the bottom pressure measuring assembly includes: a limit tube, an extrusion column 1, a pressure sensor 1, a spring 1 and a supporting bottom plate; the limit tube is fixedly connected to the inner bottom of the device housing, the extrusion column 1 is slidably connected to the inner side of the limit tube, the pressure sensor 1 is fixedly connected to the inner top of the limit tube, the spring 1 is fixedly connected between the pressure sensor 1 and the extrusion column 1, the spring 1 is provided with a damper, and the supporting bottom plate is fixedly connected to the bottom end of the extrusion column 1.

[0010] Furthermore, a motor is provided on the inner side of the fixing frame, a rotation groove is provided on the inner bottom and top of the device shell, threaded shafts are provided on both sides of the motor, the threaded shafts are rotatably connected to the rotation groove, and threaded connection rings 1 and 2 are respectively provided on the outer sides of the two threaded shafts.

[0011] Furthermore, a rotatably connected support rod 1 is provided on the outer side of the connecting ring 1, an extrusion column 2 is provided at one end of the support rod 1, a slidably connected support tube 1 is provided on the outer side of the extrusion column 2, a pressure sensor 2 is provided on the inner end of the support tube 1, a spring 2 fixedly connected is provided between the pressure sensor 2 and the extrusion column 2, and the spring 2 is provided with a damper, a rotatably connected support rod 2 is provided on the outer side of the connecting ring 2, an extrusion column 3 is provided at one end of the support rod 2, a slidably connected support tube 2 is provided on the outer side of the extrusion column 3, a pressure sensor 3 is provided at one end of the support tube 1 and the support tube 2, a spring 3 fixedly connected is provided between the pressure sensor 3 and the extrusion column 3, and the spring 3 is provided with a damper, a rotatably connected support side plate is provided at one end of the support tube 1 and the support tube 2, a limiting groove is provided on the outer side of the device housing, and the support tube 1 and the support tube 2 are slidably connected to the limiting groove.

[0012] The advantages of the utility model compared with the existing technology are:

[0013] (1) The lateral pressure measurement assembly provided in the shale gas fracturing measurement device of the utility model can support and fix the shale gas fracturing measurement device in different apertures and channels, and has higher adjustability, thereby greatly improving the use efficiency of the shale gas fracturing measurement device. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a stereoscopic diagram of the shale gas fracturing measuring device of the utility model in use.

[0015] Figure 2 It is a cross-sectional view of the shale gas fracturing measuring device of the utility model in use.

[0016] Figure 3 It is a three-dimensional diagram of the storage state of the shale gas fracturing measuring device of the utility model.

[0017] Figure 4 This is a cross-sectional view of the storage state of the shale gas fracturing measurement device of the utility model. Figure 1 .

[0018] Figure 5 This is a cross-sectional view of the storage state of the shale gas fracturing measurement device of the utility model. Figure 2 .

[0019] As shown in the figure: 1. Device housing; 2. Handle; 3. Lateral pressure measurement assembly; 4. Bottom pressure measurement assembly; 5. Limiting tube; 6. Extrusion column one; 7. Pressure sensor one; 8. Spring one; 9. Support bottom plate; 10. Fixed frame; 11. Signal transmitter; 12. Motor; 13. Rotating groove; 14. Threaded shaft; 15. Connecting ring one; 16. Connecting ring two; 17. Support rod one; 18. Extrusion column two; 19. Support tube one; 20. Pressure sensor two; 21. Spring two; 22. Support rod two; 23. Extrusion column three; 24. Support tube two; 25. Pressure sensor three; 26. Spring three; 27. Support side plate; 28. Limiting groove. DETAILED DESCRIPTION

[0020] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices consistent with some aspects of the present disclosure as detailed in the appended claims.

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figures 1 to 5 As shown, the shale gas fracturing measurement device includes: a device housing 1, a handle 2 with a rotatable connection is provided at the top of the device housing 1, a fixing frame 10 is provided on the inner side of the device housing 1, and a signal transmitter 11 is provided on the outer side of the fixing frame 10; a lateral pressure measurement component 3, the lateral pressure measurement component 3 is on the inner side of the device housing 1; and a bottom pressure measurement component 4, the bottom pressure measurement component 4 is on the bottom end of the device housing 1.

[0023] There is a motor 12 on the inner side of the fixing frame 10, and a rotating groove 13 is formed at the inner bottom and top of the device housing 1. There are threaded shafts 14 on both sides of the motor 12, and the threaded shafts 14 are rotatably connected to the rotating groove 13. The outer sides of the two threaded shafts 14 are respectively provided with a threaded connecting ring 15 and a connecting ring 2 16.

[0024] A rotatably connected support rod 17 is provided on the outer side of the connecting ring 15, an extrusion column 2 18 is provided at one end of the support rod 17, a slidably connected support tube 19 is provided on the outer side of the extrusion column 2 18, a pressure sensor 20 is provided on the inner end of the support tube 19, a spring 21 is fixedly connected between the pressure sensor 20 and the extrusion column 2 18, and the spring 21 is provided with a damper, a rotatably connected support rod 22 is provided on the outer side of the connecting ring 2 16, an extrusion column 3 23 is provided at one end of the support rod 22, a slidably connected support tube 24 is provided on the outer side of the extrusion column 3 23, a pressure sensor 3 25 is provided on the inner end of the support tube 24, a spring 3 26 is fixedly connected between the pressure sensor 3 25 and the extrusion column 3 23, and the spring 3 26 is provided with a damper, a rotatably connected support side plate 27 is provided on one end of the support tube 19 and the support tube 2 24, a limiting groove 28 is provided on the outer side of the device housing 1, and the support tube 19 and the support tube 2 24 are slidably connected with the limiting groove 28.

[0025] A fixedly connected limit tube 5 is provided at the bottom of the inner side of the device housing 1, a slidably connected extrusion column 6 is provided on the inner side of the limit tube 5, a fixedly connected pressure sensor 7 is provided at the inner top of the limit tube 5, a fixedly connected spring 8 is provided between the pressure sensor 7 and the extrusion column 6, the spring 8 has a damper, and a fixedly connected supporting base plate 9 is provided at the bottom end of the extrusion column 6.

[0026] In specific use, the connecting hook is hooked out of the handle 2 of the shale gas fracturing measuring device, and the shale gas fracturing measuring device is gradually placed into the hole. After the placement depth is determined, the motor 12 is started to rotate the two threaded shafts 14 at the same time, driving the connecting ring 15 and the connecting ring 2 16 to move, so that the support rod 1 17 and the support rod 2 22 drive the support tube 1 19 and the support tube 2 24 to rotate, and push the supporting side plate 27 to close to the hole wall. At this time, the squeezing column 2 18 and the squeezing column 3 23 squeeze the pressure sensor 2 20 and the pressure sensor 3 25 through the spring 2 21 and the spring 3 26 respectively, and record the pressure when the shale gas fracturing measuring device is installed and fixed.

[0027] The fracturing operation begins, the crack expands, and the vibration of the hole wall is monitored. The pressure sensor 1 7, the pressure sensor 2 20, and the pressure sensor 3 25 record the numerical change and duration of the pressure, and transmit the information to the cloud through the signal transmitter 11. The information is stored to complete the pressure measurement of shale gas fracturing.

[0028] The pressure sensor and the signal transmitter are both existing products on the market, and their connection methods and control methods are all existing technologies, which will not be elaborated here.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A shale gas fracturing measurement device, characterized in that: include: A device housing (1), wherein a rotatably connected handle (2) is provided at the top of the device housing (1), a fixing frame (10) is provided on the inner side of the device housing (1), and a signal transmitter (11) is provided on the outer side of the fixing frame (10); A lateral pressure measurement assembly (3), wherein the lateral pressure measurement assembly (3) is located inside the device housing (1); A bottom pressure measuring assembly (4), the bottom pressure measuring assembly (4) is located at the bottom end of a device housing (1), and the bottom pressure measuring assembly (4) comprises: a limit tube (5), an extrusion column (6), a pressure sensor (7), a spring (8) and a support bottom plate (9); the limit tube (5) is fixedly connected to the inner bottom of the device housing (1), the extrusion column (6) is slidably connected to the inner side of the limit tube (5), the pressure sensor (7) is fixedly connected to the inner top of the limit tube (5), the spring (8) is fixedly connected between the pressure sensor (7) and the extrusion column (6), the spring (8) is provided with a damper, and the support bottom plate (9) is fixedly connected to the bottom end of the extrusion column (6).

2. The shale gas fracturing measurement device according to claim 1, characterized in that: A motor (12) is provided on the inner side of the fixing frame (10), a rotation groove (13) is provided on the inner bottom and top of the device housing (1), threaded shafts (14) are provided on both sides of the motor (12), the threaded shafts (14) are rotationally connected to the rotation groove (13), and the outer sides of the two threaded shafts (14) are respectively provided with a threaded connection ring 1 (15) and a connection ring 2 (16).

3. The shale gas fracturing measurement device according to claim 2, characterized in that: The outer side of the connecting ring 1 (15) is provided with a rotatably connected support rod 1 (17), one end of the support rod 1 (17) is provided with an extrusion column 2 (18), the outer side of the extrusion column 2 (18) is provided with a slidably connected support tube 1 (19), the inner end of the support tube 1 (19) is provided with a pressure sensor 2 (20), a fixedly connected spring 2 (21) is provided between the pressure sensor 2 (20) and the extrusion column 2 (18), the spring 2 (21) is provided with a damper, the outer side of the connecting ring 2 (16) is provided with a rotatably connected support rod 2 (22), one end of the support rod 2 (22) is provided with an extrusion column 2 (18), and the outer side of the connecting ring 2 (16) is provided with a rotatably connected support rod 2 (22), one end of the support rod 2 (22) is provided with an extrusion column 2 (18). Column three (23), the outer side of the extrusion column three (23) is provided with a slidably connected support tube two (24), the inner end of the support tube two (24) is provided with a pressure sensor three (25), a spring three (26) fixedly connected between the pressure sensor three (25) and the extrusion column three (23), the spring three (26) is provided with a damper, one end of the support tube one (19) and the support tube two (24) is provided with a rotatably connected support side plate (27), the outer side of the device housing (1) is provided with a limit groove (28), the support tube one (19) and the support tube two (24) are slidably connected with the limit groove (28).

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