Petroleum underground cement slurry mixer

Abstract

The utility model discloses a petroleum underground cement slurry mixer, which belongs to the technical field of petroleum exploitation, and comprises two support plates, a mixing cylinder is fixedly connected between the two support plates, the top of the mixing cylinder is provided with a moving assembly, the moving assembly is provided with a driving stirring assembly, and the driving stirring assembly is connected with the mixing cylinder. The driving stirring assembly is driven by the moving assembly to move horizontally in a reciprocating mode while conducting lifting stirring. According to the utility model, the height can be adjusted up and down for stirring, and the horizontal reciprocating motion can be realized, so that the stirring range can be expanded, and sufficient and efficient stirring is facilitated.

Description

Technical Field

[0001] This utility model belongs to the field of petroleum extraction technology, and in particular relates to a cement slurry mixer for downhole oil wells. Background Technology

[0002] In oil extraction, drilling is required, and cementing is required after drilling. Traditional cementing methods mostly involve pouring cement slurry.

[0003] When pouring cement slurry for cementing wells, it is necessary to mix and prepare the cement slurry. Traditional mixing equipment can only mix in a fixed location within a limited range during operation. This limited mixing range makes it impossible to mix more cement more efficiently, which is not conducive to the rapid formation of cement slurry. To address this, we propose a downhole cement slurry mixer for oil wells. Utility Model Content

[0004] To address the aforementioned problems, the purpose of this invention is to provide a downhole cement slurry mixer for oil wells.

[0005] To achieve the above objectives, this utility model proposes an oil well downhole cement slurry mixer, comprising two support plates, a mixing cylinder fixedly connected between the two support plates, a movable component on the top of the mixing cylinder, and a driving stirring component on the movable component. The driving stirring component performs lifting and stirring while also being driven to move horizontally back and forth by means of the movable component.

[0006] Preferably, the movable component includes two fixed frames fixedly connected to the top of the mixing cylinder, a slider is slidably provided inside the fixed frame, a movable frame is fixedly connected to the top of the slider, a threaded hole is provided in the middle of the movable frame, lifting holes penetrating the movable frame are provided on both sides of the threaded hole, and a connecting plate is rotatably connected to the fixed frame on the left side.

[0007] Preferably, the driving stirring assembly includes a lifting frame that moves through the lifting hole, a positioning shaft is provided on the left side of the lifting frame, and a connecting plate is movably sleeved on the outside of the positioning shaft. A drive motor is fixedly connected to the lifting frame, and the output shaft of the drive motor is fixedly connected to a vertical shaft. The vertical shaft is provided with a reciprocating thread, and the reciprocating thread cooperates with the threaded hole. Multiple stirring rods are arrayed on the vertical shaft.

[0008] Preferably, the top of the mixing cylinder has two grooves, and the fixing frame is fixedly fitted inside the grooves.

[0009] Preferably, the bottom of the mixing cylinder is provided with a discharge port, the discharge port is provided with a valve, and the bottom of the valve is provided with a discharge pipe.

[0010] Preferably, the slider has an "I" shaped structure and the moving frame has an n-shaped structure.

[0011] The petroleum downhole cement slurry mixer can bring the following beneficial effects:

[0012] 1. The cement slurry can be rotated and stirred by the driving stirring assembly, and the height can be adjusted during rotation, so that the stirring is changed by height;

[0013] 2. The driving stirring assembly and the moving assembly are used in cooperation, so that the driving stirring assembly is pulled to move reciprocatingly left and right during stirring, so that the stirring position can be adjusted horizontally;

[0014] In summary, the scheme has simple structure and novel design, and when stirring, the height can be adjusted up and down for stirring, and the moving assembly can also move reciprocatingly left and right horizontally, so that the stirring range is enlarged, and the efficient stirring is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings described herein are used to provide further understanding of the utility model, and constitute a part of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model.

[0016] In the drawings:

[0017] Figure 1 It is a front view structural schematic diagram of the utility model.

[0018] Figure 2 It is a sectional view structural schematic diagram of the utility model.

[0019] Figure 3 It is a three-dimensional structural schematic diagram of the utility model.

[0020] Figure 4 It is a three-dimensional structural schematic diagram of the moving assembly of the utility model.

[0021] Figure 5 It is a three-dimensional structural schematic diagram of the driving stirring assembly of the utility model.

[0022] In the drawings: 1 support plate, 2 mixing cylinder, 3 discharge pipe, 4 moving assembly, 401 fixed frame, 402 sliding block, 403 moving frame, 404 threaded hole, 405 lifting hole, 406 connecting plate, 5 driving stirring assembly, 501 lifting frame, 502 positioning shaft, 503 driving motor, 504 vertical shaft, 505 reciprocating thread, 506 stirring rod. DETAILED DESCRIPTION

[0023] In order to more clearly explain the overall concept of the utility model, the following will be described in detail in an exemplary manner combined with the drawings of the specification.

[0024] In the description of the utility model, need understanding is, the term "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore can not be understood as a restriction on the utility model.

[0025] In addition, the terms "first", "second" are only for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more features. In the description of the utility model, the meaning of "multiple" is two or more than two, unless otherwise explicitly specified and limited.

[0026] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, can be fixedly connected, or can be detachably connected, or integrated; can be mechanically connected, or electrically connected, or can be communicated; can be directly connected, or indirectly connected through an intermediate medium, or the communication or interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0027] In the utility model, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. In the description of the specification, the description of reference terms "one scheme", "some schemes", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the scheme or example are included in at least one scheme or example of the utility model. In the specification, the illustrative description of the above terms is not necessarily for the same scheme or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more schemes or examples in a suitable manner.

[0028] As Figures 1-5As shown in the figure, an embodiment of the present invention proposes an oil well cement slurry mixer, including two support plates 1, a mixing cylinder 2 fixedly connected between the two support plates 1, a moving component 4 on the top of the mixing cylinder 2, and a driving stirring component 5 on the moving component 4. The driving stirring component 5 moves horizontally back and forth while performing lifting and stirring.

[0029] like Figure 4 As shown, the moving component 4 includes two fixed frames 401 fixedly connected to the top of the mixing cylinder 2. A slider 402 is slidably provided inside the fixed frame 401. A moving frame 403 is fixedly connected to the top of the slider 402. A threaded hole 404 is provided in the middle of the moving frame 403. Lifting holes 405 penetrating the moving frame 403 are provided on both sides of the threaded hole 404. A connecting plate 406 is rotatably connected to the fixed frame 401 on the left side. The moving frame 403 moves left and right on the fixed frame 401 with the help of the slider 402.

[0030] like Figure 5 As shown, the driving stirring assembly 5 includes a lifting frame 501 that movably passes through the lifting hole 405. A positioning shaft 502 is provided on the left side of the lifting frame 501, and a connecting plate 406 is movably sleeved on the outside of the positioning shaft 502. A drive motor 503 is fixedly connected to the lifting frame 501. The output shaft of the drive motor 503 is fixedly connected to a vertical shaft 504. A reciprocating thread 505 is provided on the vertical shaft 504, and the reciprocating thread 505 cooperates with the threaded hole 404. Multiple stirring rods 506 are arrayed on the vertical shaft 504. The drive motor 503 drives the vertical shaft 504 to rotate. When the reciprocating thread 505 on the vertical shaft 504 rotates in the threaded hole 404, it will move up and down, which will drive the lifting frame 501 to move up and down. The lifting frame 501 will pull the entire moving frame 403 to move left and right through the connecting plate 406, while the vertical shaft 504 also drives the stirring rods 506 to rotate and stir.

[0031] like Figure 3 As shown, the top of the mixing cylinder 2 has two grooves, and the fixing frame 401 is fixedly fitted inside the grooves.

[0032] like Figure 2 As shown, the bottom of the mixing cylinder 2 is provided with a discharge port, the discharge port is provided with a valve, and the bottom of the valve is provided with a discharge pipe 3. The mixed material is discharged through the discharge pipe 3.

[0033] like Figure 4 As shown, slider 402 has an "I" shaped structure, and moving frame 403 has an n-shaped structure.

[0034] Working principle: when the cement paste is mixed in the mixing drum 2, the vertical shaft 504 is driven to rotate by the driving motor 503, the reciprocating thread 505 on the vertical shaft 504 is lifted when rotating in the threaded hole 404, so as to drive the lifting frame 501 to lift, the lifting of the lifting frame 501 drives the whole moving frame 403 to move left and right through the connecting plate 406, so as to adjust the left and right positions of the vertical shaft 504, and the vertical shaft 504 also drives the stirring rod 506 to rotate and stir, so as to realize up and down adjustment of stirring and horizontal left and right movement of stirring, thereby realizing larger range stirring.

[0035] Each of the embodiments in the specification is described in a progressive manner, and the same and similar parts between the embodiments can be referred to each other, and each embodiment mainly describes the difference from other embodiments. Especially, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the related parts can be referred to the part of the method embodiment.

[0036] The above only describes the embodiments of the present application and is not used to limit the present application. For those skilled in the art, the present application can be variously changed and modified. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. An oil downhole cement slurry mixer comprising two support plates (1), characterized in that, A mixing cylinder (2) is fixedly connected between the two support plates (1). A moving component (4) is provided on the top of the mixing cylinder (2). A driving stirring component (5) is provided on the moving component (4). The driving stirring component (5) moves horizontally back and forth while performing lifting and stirring. The moving component (4) includes two fixed frames (401) fixedly connected to the top of the mixing cylinder (2). A slider (402) is slidably provided inside the fixed frame (401). A moving frame (403) is fixedly connected to the top of the slider (402). A threaded hole (404) is provided in the middle of the moving frame (403). Lifting holes (405) penetrating the moving frame (403) are provided on both sides of the threaded hole (404). A connecting plate (406) is rotatably connected to the fixed frame (401) on the left side. The driving stirring assembly (5) includes a lifting frame (501) that movably passes through the lifting hole (405). A positioning shaft (502) is provided on the left side of the lifting frame (501), and a connecting plate (406) is movably sleeved on the outside of the positioning shaft (502). A driving motor (503) is fixedly connected to the lifting frame (501), and a vertical shaft (504) is fixedly connected to the output shaft of the driving motor (503). A reciprocating thread (505) is provided on the vertical shaft (504), and the reciprocating thread (505) cooperates with the threaded hole (404). Multiple stirring rods (506) are arrayed on the vertical shaft (504).

2. A petroleum downhole cement slurry mixer according to claim 1, wherein, The top of the mixing cylinder (2) has two grooves, and the fixing frame (401) is fixedly fitted inside the grooves.

3. A petroleum downhole cement slurry mixer according to claim 1, wherein, The bottom of the mixing cylinder (2) is provided with a discharge port, the discharge port is provided with a valve, and the bottom of the valve is provided with a discharge pipe (3).

4. The oil downhole cement slurry mixer of claim 1, wherein, The slider (402) has an "I" shaped structure, and the moving frame (403) has an n-shaped structure.

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