Carbon dioxide fracturing sand adding equipment

Abstract

The utility model provides carbon dioxide fracturing sand adding equipment which comprises a fixing table, supporting columns, a stirring tank, a first filling pump, a first conveying pipe, a second conveying pipe, a directional conveying and filling frame structure and a fixedly-connected conveying and filling pipe structure, and the supporting columns are fixed to the four corners of the bottom end of the fixing table through bolts respectively; the stirring tank is fixed on the left side of the upper end of the fixed table through a bolt; a first filling pump is fixed to the middle of the right side of the upper end of the fixing table through bolts. The rotating pipe, the second filling pipe, the third filling pipe, the fixing frame, the second filling pump, the third filling pump and the F-shaped conveying pipe are arranged in a matched mode, so that power generated when the second filling pump and the third filling pump work in the using process can be used conveniently; and then the F-shaped conveying pipe is matched with the second filling pipe and the third filling pipe, so that the work of independently filling materials in the sand adding process is facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of oil and gas field fracturing equipment, and particularly relates to a carbon dioxide fracturing sand adding device. Background Art

[0002] Fracturing is an important way for reservoir reconstruction of low-permeability oil and gas reservoirs and realizing efficient development. Conventional fracturing uses a water-based polymer fracturing fluid system for layered fracturing reconstruction. Existing carbon dioxide fracturing sand adding devices and petroleum machinery cannot directly perform separate filling operations during the sand adding process, and it is easy to affect the work efficiency when replacing pipelines during the filling process. Summary of the Utility Model

[0003] In order to solve the above technical problems, the utility model provides a carbon dioxide fracturing sand adding device, which improves the sand adding mechanism during use to facilitate separate filling operations during sand adding, and improves the conveying pipeline during use to prevent affecting the sand adding efficiency when replacing pipelines.

[0004] A carbon dioxide fracturing sand adding device includes a fixed platform. Support columns are respectively bolted and fixed at the four corner positions at the bottom end of the fixed platform; a stirring tank is bolted and fixed on the left side of the upper end of the fixed platform; a first filling pump is bolted and fixed at the middle position on the right side of the upper end of the fixed platform; a first conveying pipe is threadedly connected to the left side of the upper end of the stirring tank; a second conveying pipe is threadedly connected to the right side of the upper end of the stirring tank. It is characterized in that a split-flow conveying and filling frame structure is arranged on the right side of the upper end of the fixed platform; a fixed connection conveying and filling pipe structure is arranged at the middle position inside the fixed platform.

[0005] Preferably, the split-flow conveying and filling frame structure includes a fixed frame. A second filling pump is bolted and fixed on the left side of the upper end of the fixed frame; a third filling pump is bolted and fixed on the right side of the upper end of the fixed frame; F-shaped conveying pipes are respectively threadedly connected to the upper ends of the second filling pump and the third filling pump.

[0006] Preferably, the fixed connection conveying and filling pipe structure includes a fixed pipe. A rotating pipe penetrates through the inside of the fixed pipe; a first filling pipe is threadedly connected to the upper end of the rotating pipe; a second filling pipe is threadedly connected to the middle position of the upper end of the rotating pipe; a third filling pipe is threadedly connected to the right side of the upper end of the rotating pipe.

[0007] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0008] In the present utility model, the rotatable pipe, the second filling pipe, the third filling pipe, the fixing bracket, the second filling pump, the third filling pump and the F-shaped conveying pipe are arranged in cooperation with each other, which is conducive to generating power during operation by the second filling pump and the third filling pump, and then cooperating with the second filling pipe and the third filling pipe respectively through the F-shaped conveying pipe, facilitating the separate filling of materials during the sand adding process.

[0009] In the present utility model, the fixed pipe, the rotatable pipe, the first filling pipe, the second filling pipe and the third filling pipe are arranged in cooperation with each other, which is conducive to connecting to an external device through the pipeline after the cooperation of the rotatable pipe, the first filling pipe, the second filling pipe and the third filling pipe during operation, preventing the replacement of the pipeline from affecting the sand adding efficiency during the sand adding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 is a schematic structural view of the present utility model;

[0011] Figure 2 is a schematic structural view of the separable and directionally conveying and filling rack structure of the present utility model;

[0012] Figure 3 is a schematic structural view of the fixedly connectable conveying and filling pipe structure of the present utility model.

[0013] In the figure:

[0014] 1, fixed platform; 2, support column; 3, mixing tank; 4, first filling pump; 5, first conveying pipe; 6, second conveying pipe; 7, separable and directionally conveying and filling rack structure; 71, fixing bracket; 72, second filling pump; 73, third filling pump; 74, F-shaped conveying pipe; 8, fixedly connectable conveying and filling pipe structure; 81, fixed pipe; 82, rotatable pipe; 83, first filling pipe; 84, second filling pipe; 85, third filling pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0015] The present utility model will be specifically described below with reference to the accompanying drawings. As shown in Figure 1 and Figure 2As shown in the figure, a carbon dioxide fracturing sand addition device includes a fixed platform 1, support columns 2, a mixing tank 3, a first filling pump 4, a first conveying pipe 5, a second conveying pipe 6, a separately-directionally conveying and filling frame structure 7, and a fixedly-connected conveying and filling pipe structure 8. At the four corner positions at the bottom end of the fixed platform 1, support columns 2 are respectively bolt-fixed; on the left side of the upper end of the fixed platform 1, a mixing tank 3 is bolt-fixed; in the middle position on the right side of the upper end of the fixed platform 1, a first filling pump 4 is bolt-fixed; on the left side of the upper end of the mixing tank 3, a first conveying pipe 5 is thread-connected; on the right side of the upper end of the mixing tank 3, a second conveying pipe 6 is thread-connected; on the right side of the upper end of the fixed platform 1, a separately-directionally conveying and filling frame structure 7 is arranged; in the middle position inside the fixed platform 1, a fixedly-connected conveying and filling pipe structure 8 is arranged. The separately-directionally conveying and filling frame structure 7 includes a fixed frame 71, a second filling pump 72, a third filling pump 73, and an F-shaped conveying pipe 74. On the left side of the upper end of the fixed frame 71, a second filling pump 72 is bolt-fixed; on the right side of the upper end of the fixed frame 71, a third filling pump 73 is bolt-fixed; on the upper ends of the second filling pump 72 and the third filling pump 73, F-shaped conveying pipes 74 are respectively thread-connected. When in use, the fixed platform 1 is fixed at a suitable position, and an external power supply and an external control device are connected through an external wire. Then, through the power generated when the second filling pump 72 and the third filling pump 73 work, after being coordinated by the F-shaped conveying pipe 74, the first conveying pipe 5, and the second conveying pipe 6, the materials are injected into the inside of the mixing tank 3, and mixing work is carried out. Then, through the power generated when the first filling pump 4 works, the materials are injected into a suitable position inside the wellhead to complete the sand addition work.

[0016] In this implementation plan, in combination with the attached Figure 3 As shown in the figure, the fixedly-connected conveying and filling pipe structure 8 includes a fixed pipe 81, a rotating pipe 82, a first filling pipe 83, a second filling pipe 84, and a third filling pipe 85. The rotating pipe 82 penetrates through the inside of the fixed pipe 81; on the upper end of the rotating pipe 82, a first filling pipe 83 is thread-connected; in the middle position on the upper end of the rotating pipe 82, a second filling pipe 84 is thread-connected; on the right side of the upper end of the rotating pipe 82, a third filling pipe 85 is thread-connected. When necessary during the sand addition process, by respectively controlling the second filling pump 72 and the third filling pump 73 to work, and then through the F-shaped conveying pipe 74, the second filling pipe 84, and the third filling pipe 85, separate material filling work is carried out to achieve the purpose of improving the sand addition efficiency, thereby completing the fracturing sand addition work.

[0017] In this implementation plan, specifically, the first conveying pipe 5 and the second conveying pipe 6 are respectively made of inverted U-shaped stainless steel pipes; the bottom pipe on the right side of the mixing tank 3 is connected to the first filling pump 4.

[0018] In this embodiment, specifically, valves are respectively threadedly inserted into the left side of the front surface of the F-shaped conveying pipe 74; the fixing bracket 71 is an inverted U-shaped stainless steel bracket.

[0019] In this embodiment, specifically, the fixing bracket 71 is bolted to the upper right side of the fixing table 1; the first conveying pipe 5 and the second conveying pipe 6 are respectively threadedly connected to the outer wall of the upper left side of the F-shaped conveying pipe 74 and are communicated.

[0020] In this embodiment, specifically, a sealing ring is provided between the fixed pipe 81 and the rotating pipe 82; the rotating pipe 82 is a stainless steel pipe with a sealed upper end.

[0021] In this embodiment, specifically, the fixed pipe 81 penetrates through the middle position inside the fixed table 1; the first filling pipe 83 is pipe-connected to the first filling pump 4; the second filling pipe 84 is pipe-connected to the F-shaped conveying pipe 74; the third filling pipe 85 is pipe-connected to the F-shaped conveying pipe 74.

[0022] Working principle

[0023] In the present utility model, when in use, the fixing table 1 is fixed at a suitable position, and an external power source and an external control device are connected by using an external wire. Then, through the power generated when the second filling pump 72 and the third filling pump 73 work, after being coordinated by the F-shaped conveying pipe 74, the first conveying pipe 5 and the second conveying pipe 6, the material is injected into the interior of the mixing tank 3 and stirring work is carried out. Then, through the power generated when the first filling pump 4 works, the material is injected into a suitable position inside the wellhead to complete the sand adding work. When necessary during the sand adding process, the second filling pump 72 and the third filling pump 73 are respectively controlled to work, and then after passing through the F-shaped conveying pipe 74, the second filling pipe 84 and the third filling pipe 85, the material is separately filled to achieve the purpose of improving the sand adding efficiency, thereby completing the fracturing sand adding work.

[0024] Using the technical solution of the present utility model, or those skilled in the art being inspired by the technical solution of the present utility model to design a similar technical solution and achieving the above technical effects shall all fall within the protection scope of the present utility model.

Claims

1. A carbon dioxide fracturing sand addition device, comprising a fixed platform (1), and support columns (2) are respectively bolted and fixed at the four corner positions of the bottom end of the fixed platform (1); a stirring tank (3) is bolted and fixed on the left side of the upper end of the fixed platform (1); a first filling pump (4) is bolted and fixed at the middle position on the right side of the upper end of the fixed platform (1); a first conveying pipe (5) is threadedly connected to the left side of the upper end of the stirring tank (3); a second conveying pipe (6) is threadedly connected to the right side of the upper end of the stirring tank (3); characterized in that, On the upper right side of the fixed table (1) in the carbon dioxide fracturing sand adding device, there is a diverting conveying and filling frame structure (7); at the middle position inside the fixed table (1), there is a fixedly connected conveying and filling pipe structure (8).

2. The carbon dioxide fracturing sand addition equipment according to claim 1, characterized in that, The diverting conveying and filling frame structure (7) includes a fixed frame (71), on the upper left side of the fixed frame (71), a second filling pump (72) is bolted and fixed; on the upper right side of the fixed frame (71), a third filling pump (73) is bolted and fixed; on the upper ends of the second filling pump (72) and the third filling pump (73), F-shaped conveying pipes (74) are respectively threadedly connected.

3. The carbon dioxide fracturing sand addition equipment according to claim 1, characterized in that, The fixedly connected conveying and filling pipe structure (8) includes a fixed pipe (81), inside which a rotating pipe (82) penetrates; on the upper end of the rotating pipe (82), a first filling pipe (83) is threadedly connected; at the middle position on the upper end of the rotating pipe (82), a second filling pipe (84) is threadedly connected; on the upper right side of the upper end of the rotating pipe (82), a third filling pipe (85) is threadedly connected.

4. The carbon dioxide fracturing sand addition equipment according to claim 1, characterized in that, The fixed frame (71) is bolted and fixed on the upper right side of the fixed table (1); the first conveying pipe (5) and the second conveying pipe (6) are respectively threadedly connected to the outer wall of the upper left side of the F-shaped conveying pipe (74) and are communicated.

5. The carbon dioxide fracturing sand addition device according to claim 2, characterized in that, The fixed pipe (81) penetrates through the middle position inside the fixed table (1); the first filling pipe (83) is pipe-connected to the first filling pump (4).

Images