CN218433281U

CN218433281U - Oil well expanding agent conveying pipe and feeding device

Info

Publication number: CN218433281U
Application number: CN202222873761.0U
Authority: CN
Inventors: 唐俊; 李昌平; 杨海
Original assignee: Sichuan Kaier Oil Gas Field Technical Service Co ltd
Current assignee: Sichuan Kaier Oil Gas Field Technical Service Co ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-02-03
Anticipated expiration: 2032-10-31

Abstract

An oil well expanding agent conveying pipe and a feeding device, the conveying pipe comprises: a feed pipe and a discharge pipe. The front ends of the feeding pipe and the discharging pipe are communicated with each other, the feeding pipe and the discharging pipe are inclined to each other, a spiral push rod is coaxially arranged in the feeding pipe and used for pushing materials at the tail end of the feeding pipe to the communication position of the front ends of the feeding pipe and the discharging pipe, the materials automatically fall into the discharging pipe under the action of gravity, and a first bevel gear is coaxially arranged on a main shaft of the spiral push rod. The discharging pipe is internally and coaxially provided with a blade wheel, the blade wheel is provided with blades at intervals along the circumference of a main shaft of the blade wheel in an array manner, the main shaft of the blade wheel is coaxially provided with second conical teeth, the second conical teeth are meshed with the first conical teeth, and the second conical teeth or the first conical teeth are arranged on the main shaft of a motor. The feeding device comprises a conveying pipe and a supporting frame of the conveying pipe. The method can carry out fracture dispersion on the agglomerated expanding agent while conveying the expanding agent, thereby improving the mixing efficiency of the slurry.

Description

Oil well expanding agent conveying pipe and feeding device

Technical Field

The utility model belongs to the technical field of material feeding unit, especially, relate to an oil well inflation agent conveyer pipe and material feeding unit.

Background

The expanding agent has wide application in drilling construction of oil and gas wells, and cement slurry mixed with the expanding agent can be quickly coagulated and coagulated after being injected into the well and reaches preset strength in a short time. The expanding agent is easy to be wetted to cause agglomeration, and the mixing effect with cement is influenced. The requirement of the drilling construction for the expanding agent is large, the expanding agent packaged by the woven bag is mainly used, and the bagged expanding agent is usually stacked in a crude workshop, so that the phenomenon of caking of the expanding agent is caused. In the current construction process, the mixing uniformity is generally improved by prolonging the mixing time of the expanding agent and the cement, so that the slurry mixing efficiency is low.

Can adopt the screw feeding pipe to send into stirring compounding device with all kinds of materials in the field operation usually, for example the easy abluent screw conveyer of patent publication of application number 201921638039.0, it carries the material in with the feeder hopper to the discharge tube through the hob that sets up in the barrel, then the material is discharged from the discharge tube, but its function is simple, only can satisfy the function of material transport, but can't disperse the material in advance, does not have the gain to improving mud mixing efficiency.

SUMMERY OF THE UTILITY MODEL

For solving prior art not enough, the utility model provides an oil well expanding agent conveyer pipe and material feeding unit can break the dispersion to the expanding agent of caking when carrying the expanding agent to practice thrift the compounding time of back process, improve the mixing efficiency of mud.

In order to realize the purpose of the utility model, the following scheme is proposed:

an oil well expansion agent delivery pipe comprising: a feed pipe and a discharge pipe. The front end of inlet pipe and discharging pipe communicates each other, and inlet pipe and discharging pipe slope each other, the end of discharging pipe down during the use, and the front end up, the coaxial screw push rod that is equipped with in the inlet pipe for with the terminal material propelling movement of inlet pipe to the intercommunication department of inlet pipe and discharging pipe front end, the material falls into the discharging pipe under the action of gravity automatically, screw push rod's the coaxial first awl tooth that is equipped with of main shaft.

The discharging pipe is internally and coaxially provided with a blade wheel, the blade wheel is provided with blades at intervals along the circumference of a main shaft of the blade wheel in an array manner, the main shaft of the blade wheel is coaxially provided with second conical teeth, the second conical teeth are meshed with the first conical teeth, and the second conical teeth or the first conical teeth are arranged on the main shaft of a motor.

Furthermore, the outer wall of the main shaft of the spiral push rod is provided with a plurality of salient points, and the salient points are provided with a plurality of positions along the length direction and the circumference of the spiral push rod.

Furthermore, the first conical teeth and the second conical teeth are respectively positioned outside the feeding pipe and the discharging pipe.

Further, the blades are inclined with respect to the main axis of the impeller in a projection view along the normal direction of the impeller.

Furthermore, a grid plate is arranged in the discharge pipe, the grid plate is provided with grid pieces arranged in a circumferential array manner, the grid plate is positioned above the vane wheel, and a main shaft of the vane wheel upwards penetrates through the middle of the grid plate.

The utility model provides an oil well expanding agent material feeding unit, includes foretell conveyer pipe, and the conveyer pipe is located on a support frame, and the conveyer pipe rotates around the junction with the support frame to set up, and the pivoted axis is the horizontality.

Furthermore, the bottom of the supporting frame is provided with a roller.

The beneficial effects of the utility model reside in that: through the rotation of impeller, the realization is to the dispersion of expanding agent, makes the expanding agent of caking split to make the expanding agent just through one dispersion processing before getting into stirring compounding device, alright reduce the compounding from this consuming time, improve the compounding efficiency of mud, and above-mentioned work is all accomplished simultaneously in the transportation process of expanding agent, avoids influencing normal material and carries.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

Fig. 1 shows an internal configuration diagram of a preferred embodiment of the oil well swelling agent delivery pipe of the present application.

Fig. 2 shows a partial enlarged view at a in fig. 1.

Fig. 3 shows a schematic diagram of a state of use of the oil well swelling agent feeding device.

The labels in the figure are: a feeding pipe-1, a discharging pipe-2, a spiral push rod-3, a first bevel gear-31, a material pushing plate-32, a salient point-33, a vane wheel-4, a second bevel gear-41, a vane-42, a motor-5, a grid plate-6, a grid sheet-61 and a support frame-7.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are some embodiments of the present invention, not all embodiments.

Example 1

As shown in fig. 1, a well swelling agent delivery pipe includes: feed pipe 1 and discharge pipe 2.

Specifically, as shown in fig. 1, the front ends of inlet pipe 1 and discharging pipe 2 are mutually communicated, and inlet pipe 1 and discharging pipe 2 mutually incline, concrete acute included angle has between the pipe shaft of inlet pipe 1 and discharging pipe 2 in this embodiment, the end of discharging pipe 2 is down during the use, and the front end is up, coaxial screw rod 3 that is equipped with in the inlet pipe 1, screw rod 3's main shaft outer wall is equipped with helical structure's scraping wings 32, a intercommunication department for with the terminal material propelling movement of inlet pipe 1 to inlet pipe 1 and discharging pipe 2 front end, the material falls into discharging pipe 2 automatically under the action of gravity, the coaxial first awl tooth 31 that is equipped with of main shaft of screw rod 3.

Specifically, as shown in fig. 1 and 2, a paddle wheel 4 is coaxially arranged inside a discharge pipe 2, the paddle wheel 4 is provided with blades 42 at intervals along the circumference of a main shaft of the paddle wheel 4 in an array, a second bevel gear 41 is coaxially arranged on the main shaft of the paddle wheel 4, the second bevel gear 41 is meshed with a first bevel gear 31, the second bevel gear 41 or the first bevel gear 31 is installed on the main shaft of a motor 5, the paddle wheel 4 and a spiral push rod 3 are simultaneously driven to rotate by the motor 5, the spiral push rod 3 feeds the material into the discharge pipe 2, and then the swelling agent is dispersed by the rotation of the paddle wheel 4, so that the agglomerated swelling agent is cracked, and the swelling agent is subjected to a dispersion process before entering a stirring and mixing device, thereby reducing the mixing time and improving the mixing efficiency of slurry; the motor 5 drives the vane wheel 4 and the spiral push rod 3 to rotate simultaneously, so that the structure can be simplified, the weight of the conveying pipe is reduced, and electricity is saved.

Preferably, as shown in fig. 1, the outer wall of the main shaft of the screw rod 3 is provided with a plurality of protrusions 33, the protrusions 33 are provided with a plurality of positions along the length direction and the circumference of the screw rod 3, and the protrusions 33 form a stirring structure for the expanding agent in the feeding pipe 1, so that the expanding agent can be dispersed in advance when being conveyed in the feeding pipe 1, and the agglomerated expanding agent can be further crushed.

Preferably, as shown in fig. 1 and 3, the first conical teeth 31 and the second conical teeth 41 are located outside the feeding pipe 1 and the discharging pipe 2, respectively, so as to avoid the expanding agent from being stuck between the first conical teeth 31 and the second conical teeth 41, which affects the smoothness of the operation of the apparatus.

Preferably, as shown in fig. 2, the vanes 42 are inclined with respect to the major axis of the impeller 4 in a projection view normal to the impeller 4 to enhance the dispersive disruption effect on the agglomerated swelling agent.

Preferably, as shown in fig. 1 and 2, a grid plate 6 is arranged inside the discharge pipe 2, the grid plate 6 has grid segments 61 arranged in a circumferential array, the grid plate 6 is located above the impeller 4, the main shaft of the impeller 4 passes through the middle of the grid plate 6 in the upward direction, and the impeller 4 is protected by the grid plate 6 before the impeller 4 by the gravitational impact of the expanding agent.

Example 2

As shown in fig. 3, an oil well swelling agent feeding device comprises the delivery pipe of embodiment 1, the delivery pipe is arranged on a support frame 7, the delivery pipe is rotatably arranged around the joint with the support frame 7, the rotating axis is in a horizontal state, so that the positions of the tail ends of the feeding pipe 1 and the discharging pipe 2 can be conveniently adjusted, when the device is used, the tail end of the feeding pipe 1 is arranged inside a hopper, the swelling agent is poured into the hopper, the delivery can be started, and the agglomerated swelling agent is broken and dispersed in the delivery process.

Preferably, as shown in fig. 3, the bottom of the supporting frame 7 is provided with rollers to facilitate the transfer.

The foregoing is only a preferred embodiment of the invention and is not intended to be the only or limiting embodiment of the invention. It should be understood by those skilled in the art that various changes and equivalent substitutions made herein may be made without departing from the scope of the invention as defined by the appended claims.

Claims

1. An oil well expansion agent delivery pipe comprising: the feeding pipe (1) and the discharging pipe (2), the feeding pipe is characterized in that the front ends of the feeding pipe (1) and the discharging pipe (2) are communicated with each other, the feeding pipe (1) and the discharging pipe (2) are inclined with each other, the tail end of the discharging pipe (2) faces downwards during use, the front end of the discharging pipe faces upwards, a spiral push rod (3) is coaxially arranged in the feeding pipe (1) and used for pushing the material at the tail end of the feeding pipe (1) to the communication position of the front ends of the feeding pipe (1) and the discharging pipe (2), the material automatically falls into the discharging pipe (2) under the action of gravity, and a first conical tooth (31) is coaxially arranged on a main shaft of the spiral push rod (3);

the discharging pipe (2) is internally and coaxially provided with the vane wheel (4), the vane wheel (4) is provided with vanes (42) in an array manner at intervals along the circumference of a main shaft of the vane wheel (4), the main shaft of the vane wheel (4) is coaxially provided with second conical teeth (41), the second conical teeth (41) are meshed with the first conical teeth (31), and the second conical teeth (41) or the first conical teeth (31) are arranged on the main shaft of a motor (5).

2. An oil well swelling agent delivery pipe according to claim 1, wherein the outer wall of the main shaft of the screw rod (3) is provided with a plurality of salient points (33), and the salient points (33) are provided with a plurality of positions along the length direction and the circumference of the screw rod (3).

3. A well expander delivery pipe according to claim 1, wherein the first conical teeth (31) and the second conical teeth (41) are located outside the inlet pipe (1) and the outlet pipe (2), respectively.

4. A well expander delivery tube according to claim 1, wherein the blades (42) are inclined relative to the major axis of the impeller (4) in a projection view normal to the impeller (4).

5. A well expander delivery pipe according to claim 1, wherein the discharge pipe (2) is internally provided with a grid plate (6), the grid plate (6) having grid segments (61) arranged in a circumferential array, the grid plate (6) being located above the impeller (4), the main axis of the impeller (4) passing upwards through the middle of the grid plate (6).

6. An oil well swelling agent feeding device, characterized in that, comprises a conveying pipe of any one of claims 1 to 5, the conveying pipe is arranged on a supporting frame (7), the conveying pipe is rotatably arranged around the joint with the supporting frame (7), and the rotating axis is in a horizontal state.

7. An oil well expanding agent feeding device as claimed in claim 6, wherein the bottom of the supporting frame (7) is provided with rollers.