CN212867495U

CN212867495U - Well cementation cement slurry mixing device with good mixing effect for oil drilling and production

Info

Publication number: CN212867495U
Application number: CN202021902755.8U
Authority: CN
Inventors: 刘俊凯; 王涛; 刘涛; 刘勇
Original assignee: Dongying Hekou Yongrui Industry And Trade Co ltd
Current assignee: Dongying Hekou Yongrui Industry And Trade Co ltd
Priority date: 2020-09-03
Filing date: 2020-09-03
Publication date: 2021-04-02
Anticipated expiration: 2030-09-03

Abstract

The utility model discloses a mix effectual oil drilling cementing cement and mix thick liquid device, including the blending tank, the top outer wall fixedly connected with motor of blending tank, and the output shaft one end of motor is provided with the pivot, the first puddler that the outer wall fixedly connected with equidistance of pivot distributes, the top outer wall of blending tank is provided with the passage, and the top fixedly connected with passage fill of passage, the bottom outer wall of blending tank is provided with row material pipe, be provided with on the blending tank and carry material mechanism, the inner wall of blending tank is provided with the fixed axle that the equidistance is the annular and distributes, and the outer wall of fixed axle is provided with the second puddler that the equidistance distributes, the outer wall fixedly connected with driving gear of pivot. The utility model discloses can realize stirring mud all around in the blending tank, and crisscross each other between first puddler and the second puddler for cement can mix more evenly, and the muddy thick liquid effect is better.

Description

Well cementation cement slurry mixing device with good mixing effect for oil drilling and production

Technical Field

The utility model relates to a well cementation cement processing technology field especially relates to a mix effectual oil drilling and production well cementation cement and mix thick liquid device.

Background

The cement for well cementation, also called plugging cement, is specially used for cement of well cementation engineering of oil wells and gas wells, has proper density and setting time, lower consistency, good anti-settling property and pumpability, can be quickly set and hardened and can produce a certain mechanical strength when being injected into a preset well section, has good impermeability, stability and corrosion resistance after being solidified, and is prepared by grinding clinker taking hydraulic calcium silicate as a main component and adding a proper amount of gypsum and grinding aid.

At present, need use the muddy thick liquid device in the manufacture of well cementation cement, but current muddy thick liquid device still has certain weak point, and in the use, cement stirring effect is relatively poor, and mixes thick liquid in-process and mainly stirs to the mud of device bottom, mixes thick liquid inefficiency, consequently, need urgently to design an oil drilling and adopts well cementation cement muddy thick liquid device that mixes effectually to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a cement mixing device with good mixing effect for oil drilling and production well cementation.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a mix effectual oil drilling well cementation cement and mix thick liquid device, includes the blending tank, the top outer wall fixedly connected with motor of blending tank, and the output shaft one end of motor is provided with the pivot, the first puddler that the outer wall fixedly connected with equidistance of pivot distributes, the top outer wall of blending tank is provided with the passage, and the top fixedly connected with baffle bucket of passage, the bottom outer wall of blending tank is provided with row's material pipe, be provided with lifting mechanism on the blending tank.

As a further aspect of the present invention: the inner wall of blending tank is provided with the equidistance and is the fixed axle that the annular distributes, and the outer wall of fixed axle is provided with the second puddler that the equidistance distributes, the outer wall fixedly connected with driving gear of pivot, the outer wall fixedly connected with driven gear of fixed axle, and driven gear's outer wall meshes with the outer wall of driving gear mutually.

As a further aspect of the present invention: carry material mechanism and include cement pump, slurry pumping pipe and lead the thick liquid pipe, the cement pump is fixed to be set up in the both sides outer wall of blending tank, and the slurry pumping end of cement pump is linked together through slurry pumping pipe and blending tank, the row's of cement pump thick liquid end is linked together through leading thick liquid pipe and blending tank.

As a further aspect of the present invention: the outer wall of the top of the driving gear is provided with fixing grooves which are distributed annularly at equal intervals.

As a further aspect of the present invention: the motor and the cement pump are both connected with a switch through leads, and the switch is connected with a power supply through leads.

As a further aspect of the present invention: one side outer wall of blending tank is provided with the sampling pipe, and the top outer wall of sampling pipe is provided with the control valve, and the one end threaded connection of sampling pipe has sealed lid.

The utility model has the advantages that:

1. through the arranged motor, the driving gear, the driven gear, the first stirring rod and the second stirring rod, the driving motor works to drive the first stirring rod on the rotating shaft to rotate, so that the mud at the middle position in the mixing tank is stirred, meanwhile, the driving gear on the rotating shaft can drive the driven gear on the fixed shaft to rotate, so that the second stirring rod on the fixed shaft rotates, so that the mud at the periphery in the mixing tank is stirred, and the first stirring rod and the second stirring rod are mutually staggered, so that the cement can be mixed more uniformly, and the slurry mixing effect is better;

2. the cement pump is driven to work through the arranged cement pump, the slurry pumping pipe, the slurry guide pipe and the fixed groove, cement at the bottom of the mixing tank can be pumped out and then guided in from the top of the mixing tank along the slurry guide pipe again, so that the cement can circulate up and down, the mixing effect is better, and when the cement is discharged through the slurry guide pipe, the cement can fall into the fixed groove on the driving gear, along with the rotation of the driving gear, the cement on the fixed groove can be thrown out all around, so that the cement can be dispersed all around, the mixing is more convenient, and the using effect is better;

3. through the sampling pipe, sealed lid and the control valve that set up, partial cement can get into the sampling pipe in, closes the control valve and opens sealed lid, can take out the partial cement in the sampling pipe, can carry out the sampling to the muddy thick liquid state of cement and detect, and does not influence the normal muddy thick liquid of device, and it is very convenient to use.

Drawings

FIG. 1 is a schematic cross-sectional view of a cementing apparatus for oil drilling and production well cementation provided in embodiment 1;

FIG. 2 is a schematic view of the overall structure of a well cementing and cement mixing device for oil drilling and production provided in embodiment 1;

fig. 3 is a schematic structural view of the oil drilling, production, cementing and cement mixing device with good mixing effect in the embodiment 2.

In the figure: the device comprises a mixing tank 1, a fixed shaft 2, a discharge pipe 3, a rotating shaft 4, a first stirring rod 5, a second stirring rod 6, a driving gear 7, a driven gear 8, a material guide pipe 9, a material guide hopper 10, a motor 11, a fixed groove 12, a slurry guide pipe 13, a cement pump 14, a slurry pumping pipe 15, a sample pumping pipe 16, a sealing cover 17 and a control valve 18.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-2, an oil drilling and production well cementation cement slurry mixing device with a good mixing effect comprises a mixing tank 1, wherein a motor 11 is fixedly connected to the outer wall of the top of the mixing tank 1, a rotating shaft 4 is arranged at one end of an output shaft of the motor 11, first stirring rods 5 which are distributed equidistantly are fixedly connected to the outer wall of the rotating shaft 4, a material guide pipe 9 is arranged on the outer wall of the top of the mixing tank 1, a material guide hopper 10 is fixedly connected to the top end of the material guide pipe 9, a material discharging pipe 3 is arranged on the outer wall of the bottom of the mixing tank 1, and a material lifting mechanism is arranged.

The inner wall of blending tank 1 is provided with the fixed axle 2 that the equidistance is the annular and distributes, and the outer wall of fixed axle 2 is provided with the second puddler 6 that the equidistance distributes, and the outer wall fixedly connected with driving gear 7 of pivot 4, the outer wall fixedly connected with driven gear 8 of fixed axle 2, and the outer wall of driven gear 8 meshes with the outer wall of driving gear 7 mutually.

The material lifting mechanism comprises a cement pump 14, a slurry pumping pipe 15 and a slurry guide pipe 13, the cement pump 14 is fixedly arranged on the outer walls of the two sides of the mixing tank 1, the slurry pumping end of the cement pump 14 is communicated with the mixing tank 1 through the slurry pumping pipe 15, and the slurry discharging end of the cement pump 14 is communicated with the mixing tank 1 through the slurry guide pipe 13.

The fixed slot 12 that the equidistance is annular and distributes is opened to the top outer wall of driving gear 7, can throw away the cement on the fixed slot 12 to all around for cement can be to dispersion all around, more convenient mixing.

The motor 11 and the cement pump 14 are connected with a switch through conducting wires, and the switch is connected with a power supply through conducting wires.

The working principle is as follows: when the cement mixer is used, the driving motor 11 works to drive the first stirring rod 5 on the rotating shaft 4 to rotate to stir the mud at the middle position in the mixing tank 1, meanwhile, the driving gear 7 on the rotating shaft 4 can drive the driven gear 8 on the fixed shaft 2 to rotate, so that the second stirring rod 6 on the fixed shaft 2 rotates to stir the mud at the periphery in the mixing tank 1, the first stirring rod 5 and the second stirring rod 6 are mutually staggered, so that the cement can be mixed more uniformly, the cement mixing effect is better, the cement pump 14 is driven to work, the cement at the bottom of the mixing tank 1 can be pumped out and then is led in again from the top of the mixing tank 1 along with the slurry guide pipe 13, so that the cement can circulate up and down, the mixing effect is better, and when the cement is discharged through the slurry guide pipe 13, the cement falls into the fixed groove 12 on the driving gear 7 and rotates along with the driving gear 7, can throw away the cement on the fixed slot 12 to all around for cement can be to dispersion all around, more convenient mixing, and the result of use is better.

Example 2

Referring to fig. 3, the present embodiment further includes a sampling pipe 16 disposed on an outer wall of one side of the mixing tank 1, a control valve 18 disposed on an outer wall of a top portion of the sampling pipe 16, and a sealing cover 17 threadedly connected to one end of the sampling pipe 16, compared with embodiment 1, the apparatus for mixing oil drilling, oil production, well cementation and cement with a good mixing effect.

The working principle is as follows: during the use, during partial cement can get into sampling pipe 16, closes control valve 18 and opens sealed lid 17, can take out partial cement in the sampling pipe 16, can carry out the sample detection to the muddy thick liquid state of cement, and does not influence the normal muddy thick liquid of device, and it is very convenient to use.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a mix effectual oil drilling well cementation cement and mix thick liquid device, includes blending tank (1), its characterized in that, the top outer wall fixedly connected with motor (11) of blending tank (1), and the output shaft one end of motor (11) is provided with pivot (4), first puddler (5) that the outer wall fixedly connected with equidistance of pivot (4) distributes, the top outer wall of blending tank (1) is provided with passage (9), and the top fixedly connected with guide hopper (10) of passage (9), the bottom outer wall of blending tank (1) is provided with row's material pipe (3), be provided with on blending tank (1) and carry the material mechanism.

2. The oil drilling well-cementing cement slurry mixing device with good mixing effect according to claim 1, characterized in that the inner wall of the mixing tank (1) is provided with fixing shafts (2) which are distributed in an annular shape at equal intervals, the outer wall of the fixing shaft (2) is provided with second stirring rods (6) which are distributed at equal intervals, the outer wall of the rotating shaft (4) is fixedly connected with a driving gear (7), the outer wall of the fixing shaft (2) is fixedly connected with a driven gear (8), and the outer wall of the driven gear (8) is meshed with the outer wall of the driving gear (7).

3. The oil drilling, well cementation and cement mixing device with good mixing effect according to claim 1 is characterized in that the material lifting mechanism comprises a cement pump (14), a slurry pumping pipe (15) and a slurry guide pipe (13), the cement pump (14) is fixedly arranged on the outer walls of two sides of the mixing tank (1), the slurry pumping end of the cement pump (14) is communicated with the mixing tank (1) through the slurry pumping pipe (15), and the slurry discharging end of the cement pump (14) is communicated with the mixing tank (1) through the slurry guide pipe (13).

4. The oil drilling and production well-cementing cement slurry mixing device with good mixing effect as claimed in claim 2, characterized in that the outer wall of the top of the driving gear (7) is provided with fixing grooves (12) which are distributed annularly at equal intervals.

5. The oil drilling, well cementation and cement mixing device with good mixing effect as claimed in claim 3, characterized in that the motor (11) and the cement pump (14) are connected with a switch through wires, and the switch is connected with a power supply through wires.

6. The oil drilling well-cementing cement slurry mixing device with good mixing effect according to claim 1, characterized in that a sampling pipe (16) is arranged on the outer wall of one side of the mixing tank (1), a control valve (18) is arranged on the outer wall of the top of the sampling pipe (16), and a sealing cover (17) is connected to one end of the sampling pipe (16) in a threaded manner.