CN210530796U

CN210530796U - Cement mixing device for oil drilling and production well cementation

Info

Publication number: CN210530796U
Application number: CN201921181248.7U
Authority: CN
Inventors: 巩持勋; 李香静; 牛慧丹
Original assignee: Henan Zhongyi Petroleum Technology Co Ltd
Current assignee: Henan Zhongyi Petroleum Technology Co Ltd
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-05-15
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses an oil drilling cementing cement mixes thick liquid device, including mixing thick liquid case, shower head an and compounding axle, mix thick liquid roof portion and install the top cap, shower head an passes through the screw thread and installs in top cap bottom left side, shower head b is installed on top cap bottom right side, compounding epaxial portion connecting motor, the epaxial welding propeller blade of mixture, and the epaxial flabellum that is equipped with in propeller blade inboard of mixture. The utility model discloses in through being equipped with two corresponding agitating unit, be equipped with the puddler on the connection link joint that agitating unit contains, the puddler can realize the stirring to cement, can realize the effect of stirring, through being equipped with the compounding axle, the epaxial propeller blade and the flabellum of being equipped with of compounding can realize rolling to cement, makes stirring more even, and two showers and dry powder stir together, and moisture can directly spout on the dry powder, prevents to cause accumulational mud, causes the difficulty of stirring.

Description

Cement mixing device for oil drilling and production well cementation

Technical Field

The utility model belongs to an oil drilling technical field especially relates to an oil drilling cementing cement mixes thick liquid device.

Background

In the oil field construction operation, in order to reinforce the well wall, ensure continuous drilling, seal an oil layer, a gas layer and a water layer, ensure layered oil testing during exploration and reasonable oil and gas production in the whole exploitation, a high-quality steel pipe is put in, and cement is filled in the annular space between a shaft and the steel pipe, so that the well cementation operation is realized. The mixing energy and mixing mode of the cement slurry for well cementation in oil drilling and production are critical to the quality of the cement slurry, the mixing energy is used for primary mixing of cement and water and remixing of multiple shearing cement slurry, high-energy mixing is concerned, and the compressive strength of the well cementation cement is related to the density.

The existing slurry mixing device has the conditions that slurry is easy to form sediment, the slurry is not uniform and the like, and once the slurry is not uniformly stirred, the use is easily influenced, so certain influence is caused on the work of an oil field.

SUMMERY OF THE UTILITY MODEL

The utility model provides a well cementation cement of oil drilling is thoughtlessly starched and is put aims at solving the inhomogeneous problem of stirring.

The utility model relates to a realize like this, a well cementation cement mixes thick liquid device is adopted in oil drilling, include:

the top cover is arranged at the top of the slurry mixing box;

the spray head a is installed on the left side of the bottom of the top cover through threads, and the spray head b is installed on the right side of the bottom of the top cover;

the top of the mixing shaft is connected with a motor, a propeller blade is welded on the mixing shaft, and a fan blade is arranged on the mixing shaft and on the inner side of the propeller blade;

the stirring device a comprises a driving shaft a, a driven shaft a and a connecting chain plate a, the stirring device a is arranged on the left side of the mixing shaft, the driven shaft a is arranged below the driving shaft a, and the driving shaft a drives the driven shaft a to rotate through the connecting chain plate a;

the stirring device b comprises a driving shaft b, a driven shaft b and a connecting chain plate b, the stirring device b is arranged on the left side of the mixing shaft, the driven shaft b is arranged below the driving shaft b, the driving shaft b drives the driven shaft b to rotate through the connecting chain plate b, and the rear ends of the driving shaft b and the driving shaft a are both connected with a motor;

the conveying device comprises a conveying shaft and a feeding hole, the conveying device is arranged at the upper end of the right side of the slurry mixing box, the feeding hole is arranged at the upper end of the right side of the conveying device, the conveying shaft is arranged in the conveying device, and the right end of the conveying shaft is connected with the rotating machine;

the conveying cavity is fixed at the bottom of the slurry mixing box, a material conveying shaft is arranged inside the conveying cavity, and the left end of the material conveying shaft is connected with a rotating machine;

the discharge port is arranged at the right end of the conveying cavity and is connected in a communicated manner;

the equipment box is installed on the left side of the slurry mixing box, and control keys are arranged on the equipment box.

In order to provide water to inside the shower head, as the utility model relates to an it is preferred, shower head an and shower head b top are connected with the water pipe of establishing inside the top cap, and the inside water pipe left end intercommunication inlet tube of top cap.

In order to facilitate the processing of rolling cement, conduct the utility model relates to an it is preferred, the epaxial flabellum of compounding is the slope structure, and compounding axle bottom passes through the support to be fixed in transport chamber upper end.

In order to strengthen the stirring effect, as the utility model relates to an it is preferred, all weld the puddler on connecting link joint an and the connecting link joint b.

In order to facilitate the dry powder to be conveyed to the inside of the slurry mixing box, the conveying device preferably extends to the upper end of the right side of the inside of the slurry mixing box.

In order to facilitate the carrying away of the mixed pulp, as the utility model relates to an it is preferred, carry chamber upper end to be eight structures of falling, the lower extreme is semicircular structure.

In order to strengthen the stability, as the utility model relates to an it is preferred, defeated material axle right side is through hanging bearing connection transport chamber right side inner wall.

In order to facilitate the discharge of control muddy thick liquid, as the utility model relates to an it is preferred, defeated material axle right-hand member is inside the discharge gate, and is equipped with the control valve on the discharge gate.

Compared with the prior art, the beneficial effects of the utility model are that:

1. through being equipped with two corresponding agitating unit, be equipped with the puddler on the connection link joint that agitating unit contains, the puddler can realize the stirring to cement, can realize the effect of stirring.

2. Through being equipped with the compounding axle, be equipped with propeller blade and flabellum on the compounding axle, can realize the rolling to cement, make stirring more even.

3. The two spray heads and the dry powder are stirred together, and water can be directly sprayed on the dry powder, so that the difficulty of stirring caused by accumulated slurry is avoided.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is a schematic view of the overall external structure of the present invention;

fig. 3 is a schematic diagram of the structure of the connecting link plate of the present invention.

In the figure: 1. a slurry mixing box; 2. a motor; 3. a water inlet pipe; 4. a spray header a; 5. a spray header b; 6. a conveying device; 6-1, a conveying shaft; 6-2, a feed inlet; 7. a stirring device a; 7-1, a driving shaft a; 7-2, a driven shaft a; 7-3, connecting a chain plate a; 8. a stirring device b; 8-1 and a driving shaft b; 8-2 and a driven shaft b; 8-3, connecting a chain plate b; 9. a mixing shaft; 10. a delivery lumen; 11. a material conveying shaft; 12. rotating the machine; 13. a discharge port; 14. a top cover; 15. an equipment box; 16. a control valve; 17. a stirring rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, in the description of the present invention, furthermore, "first", "second", "third", and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. To those of ordinary skill in the art, it will be understood that the specific meaning of the above terms in the present invention "a plurality" means two or more unless otherwise specifically limited.

Referring to fig. 1-3, the present invention provides a technical solution: the method comprises the following steps:

the top cover 14 is arranged at the top of the slurry mixing tank 1;

the spray head a4 is characterized in that the spray head a4 is installed on the left side of the bottom of the top cover 14 through threads, and the spray head b5 is installed on the right side of the bottom of the top cover 14;

the top of the mixing shaft 9 is connected with the motor 2, a propeller blade is welded on the mixing shaft 9, and a fan blade is arranged on the mixing shaft 9 and on the inner side of the propeller blade;

the stirring device a7 is characterized in that the stirring device a7 comprises a driving shaft a7-1, a driven shaft a7-2 and a connecting chain plate a7-3, the stirring device a7 is arranged on the left side of the mixing shaft 9, the driven shaft a7-2 is arranged below the driving shaft a7-1, and the driving shaft a7-1 drives the driven shaft a7-2 to rotate through the connecting chain plate a 7-3;

the stirring device b8, the stirring device b8 comprises a driving shaft b8-1, a driven shaft b8-2 and a connecting chain plate b8-3, the stirring device b8 is arranged on the left side of the mixing shaft 9, the driven shaft b8-2 is arranged below the driving shaft b78-1, the driving shaft b8-1 drives the driven shaft b8-2 to rotate through the connecting chain plate b8-3, and the rear ends of the driving shaft b8-1 and the driving shaft a7-1 are both connected with a motor;

the conveying device 6 comprises a conveying shaft 6-1 and a feeding hole 6-2, the conveying device 6 is arranged at the upper end of the right side of the slurry mixing box 1, the feeding hole 6-2 is arranged at the upper end of the right side of the conveying device 6, the conveying shaft 6-1 is arranged in the conveying device 6, and the right end of the conveying shaft 6-1 is connected with a rotating machine;

the slurry mixing device comprises a conveying cavity 10, a slurry mixing box 1 and a rotating machine 12, wherein the conveying cavity 10 is fixed at the bottom of the slurry mixing box 1, a conveying shaft 11 is installed inside the conveying cavity 10, and the left end of the conveying shaft 11 is connected with the rotating machine 12;

the discharge port 13 is arranged at the right end of the conveying cavity 10, and the discharge port 13 is connected in a communicated manner;

and the equipment box 15 is arranged on the left side of the slurry mixing box 1, and a control key is arranged on the equipment box 15.

Specifically, the top of the spray header a4 and the spray header b5 are connected with a water pipe arranged inside the top cover 14, and the left end of the water pipe inside the top cover 14 is communicated with the water inlet pipe 3.

In this embodiment, water is supplied to the inside of the shower head.

Specifically, flabellum on the compounding axle 9 is the slope structure, and the compounding axle 9 bottom is fixed in transport chamber 10 upper end through the support.

In this embodiment, the cement is rolled in order to facilitate the rolling treatment.

Specifically, the stirring rods 17 are welded on the connecting chain plate a7-3 and the connecting chain plate b 8-3.

In this embodiment, the stirring effect is enhanced.

Specifically, the inner end of the conveying device 6 extends to the upper right end inside the mixing box 1.

In this embodiment, the dry powder is easily transported to the inside of the slurry mixing tank.

Specifically, the upper end of the conveying cavity 10 is in an inverted eight-shaped structure, and the lower end is in a semicircular structure.

In this embodiment, the mixed slurry is conveniently conveyed out.

Specifically, the right side of the material conveying shaft 11 is connected with the right inner wall of the conveying cavity 10 through a suspension bearing.

In this embodiment, stability is enhanced.

Specifically, the right end of the material conveying shaft 11 is located inside the material outlet 13, and the material outlet 13 is provided with a control valve 16.

In this embodiment, the discharge of the kneaded slurry is easily controlled.

The utility model discloses an use flow: when the cement mixer is used, dry powder is poured in through the feeding hole 6-2, the dry powder is conveyed into the slurry mixing box 1 through the conveying shaft 6-1, the motor 2 drives the mixing shaft 9 to stir, the mixing shaft 9 can roll and stir water and the dry powder, meanwhile, the driving shaft a7-1 drives the driven shaft a7-2 to rotate through the connecting chain plate a7-3, the driving shaft b8-1 drives the driven shaft b8-2 to rotate through the connecting chain plate b8-3, the connecting chain plate a7-3 and the stirring rod 17 on the connecting chain plate b8-3 stir cement uniformly, and the uniformly stirred cement is conveyed out through the discharging hole 13 through the conveying shaft 11.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides an oil drilling well cementation cement slurry mixing device which characterized in that includes: the top of the slurry mixing box (1) is provided with a top cover (14);

the spray head a (4) is installed on the left side of the bottom of the top cover (14) through threads, and the spray head b (5) is installed on the right side of the bottom of the top cover (14);

the top of the mixing shaft (9) is connected with the motor (2), the mixing shaft (9) is welded with a propeller blade, and the mixing shaft (9) is provided with a fan blade on the inner side of the propeller blade;

the stirring device a (7) comprises a driving shaft a (7-1), a driven shaft a (7-2) and a connecting chain plate a (7-3), the stirring device a (7) is arranged on the left side of the mixing shaft (9), the driven shaft a (7-2) is arranged below the driving shaft a (7-1), and the driving shaft a (7-1) drives the driven shaft a (7-2) to rotate through the connecting chain plate a (7-3);

the stirring device b (8) comprises a driving shaft b (8-1), a driven shaft b (8-2) and a connecting chain plate b (8-3), the stirring device b (8) is arranged on the left side of the mixing shaft (9), the driven shaft b (8-2) is arranged below the driving shaft b (8-1), the driving shaft b (8-1) drives the driven shaft b (8-2) to rotate through the connecting chain plate b (8-3), and the rear ends of the driving shaft b (8-1) and the driving shaft a (7-1) are both connected with a motor;

the conveying device (6) comprises a conveying shaft (6-1) and a feeding hole (6-2), the conveying device (6) is arranged at the upper end of the right side of the slurry mixing box (1), the feeding hole (6-2) is formed in the upper end of the right side of the conveying device (6), the conveying shaft (6-1) is arranged in the conveying device (6), and the right end of the conveying shaft (6-1) is connected with a rotating machine;

the slurry mixing device comprises a conveying cavity (10), wherein the conveying cavity (10) is fixed at the bottom of a slurry mixing box (1), a conveying shaft (11) is installed inside the conveying cavity (10), and the left end of the conveying shaft (11) is connected with a rotating machine (12);

the discharge port (13) is arranged at the right end of the conveying cavity (10) and is connected with the discharge port (13) in a communication manner;

the equipment box (15), the equipment box (15) is installed on the left side of the slurry mixing box (1), and a control key is arranged on the equipment box (15).

2. The oil drilling and production well cementation cement mixing device as claimed in claim 1, characterized in that: the top of the spray header a (4) and the top of the spray header b (5) are connected with a water pipe arranged inside the top cover (14), and the left end of the water pipe inside the top cover (14) is communicated with the water inlet pipe (3).

3. The oil drilling and production well cementation cement mixing device as claimed in claim 1, characterized in that: the fan blades on the mixing shaft (9) are of an inclined structure, and the bottom of the mixing shaft (9) is fixed at the upper end of the conveying cavity (10) through a support.

4. The oil drilling and production well cementation cement mixing device as claimed in claim 1, characterized in that: and stirring rods (17) are welded on the connecting chain plates a (7-3) and the connecting chain plates b (8-3).

5. The oil drilling and production well cementation cement mixing device as claimed in claim 1, characterized in that: the inner end of the conveying device (6) extends to the upper end of the right side in the slurry mixing box (1).

6. The oil drilling and production well cementation cement mixing device as claimed in claim 1, characterized in that: the upper end of the conveying cavity (10) is of an inverted eight-shaped structure, and the lower end of the conveying cavity is of a semicircular structure.

7. The oil drilling and production well cementation cement mixing device as claimed in claim 1, characterized in that: the right side of the material conveying shaft (11) is connected with the right inner wall of the conveying cavity (10) through a suspension bearing.

8. The oil drilling and production well cementation cement mixing device as claimed in claim 1, characterized in that: the right end of the material conveying shaft (11) is positioned in the material outlet (13), and a control valve (16) is arranged on the material outlet (13).