CN210918958U

CN210918958U - Spiral bailing pen point capable of improving bailing efficiency

Info

Publication number: CN210918958U
Application number: CN201921725207.XU
Authority: CN
Inventors: 于振锋; 乔晋; 宋新亚; 魏若飞; 常凌霄; 孙天玉; 郭振宇; 苗媛媛; 苗长超; 郭琛
Original assignee: Shanxi Lanyan Coalbed Methane Group Co ltd
Current assignee: Shanxi Lanyan Coalbed Methane Group Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-07-03
Anticipated expiration: 2029-10-15

Abstract

The utility model relates to a bailing technical field specifically is an improve spiral bailing nib of bailing efficiency. The problem of the high efficiency of bailing operation go on is solved and the lower ability of spying can appear in the nib of bailing weakens, the stagnation even to influence bailing operation, including the push pipe, push pipe one end and sand setting union coupling, the other end of push pipe and the one end fixed connection of intermediate pipe, the other end of intermediate pipe and the one end fixed connection of bottom tube, the other end of bottom tube is equipped with the point mouth, and the outside fixed mounting of bottom tube has helical fan blade, installs in the bottom tube and turns over the board by pivoted shutoff. The utility model discloses can improve the work efficiency of bailing operation, practice thrift operating time, make the gas well drop into the operation as early as possible, simple process, convenient to carry, the processing cost is low, convenient maintenance.

Description

Spiral bailing pen point capable of improving bailing efficiency

Technical Field

The utility model relates to a bailing technical field specifically is an improve spiral bailing nib of bailing efficiency.

Background

After the fracturing of the coal bed gas well is put into operation, along with the extension of production time, the sand production of the coal bed gas well is increased, even faults such as coal bed sand burying, production pipe column sand blocking and the like occur, and a lot of difficulties are brought to production and field operation construction. In order to solve the problem, the prior technical method is to circularly wash sand or drag for sand by a sand pump. Compared with circulating sand washing, the bailing pump bailing has obvious advantages, such as easy clamping and sand washing pipe column burying caused by the forward circulating sand washing, easy formation of a sand bridge in an oil pipe caused by the reverse circulating sand washing, high labor intensity of workers and the like. Therefore, a bailing pump is commonly used at present for bailing. The lower part of the bailing pump is connected with a bailing pen point, the sand setting pipe and the bailing pump are inserted into the sand surface by the dead weight and the pressure, and the bailing pump sends sand into the sand setting pipe, thereby completing the bailing operation. The operation mode has higher requirement on the downward exploration capacity of the bailing pen point and meets a sand layer with higher resistance.

The conventional bailing pen point has weak downward probing capability and even stagnation, so that the efficient performance of bailing operation is influenced.

Disclosure of Invention

The utility model discloses a solution bailing nib can appear exploring ability weak down, the stagnation even to influence the high-efficient problem of going on of bailing operation, provide an improve spiral bailing nib of bailing efficiency.

The utility model adopts the following technical proposal: the utility model provides an improve spiral bailing nib of bailing efficiency, includes the push pipe, push pipe one end and sand setting union coupling, the other end of push pipe and the one end fixed connection of intermediate pipe, the other end of intermediate pipe and the one end fixed connection of bottom tube, the other end of bottom tube is equipped with the sharp mouth, the outside fixed mounting of bottom tube has spiral fan blade, installs the shutoff that can rotate in the bottom tube and turns over the board.

Further, the outside fixed mounting of sand setting pipe has two fixed blocks, and the equal fixed mounting in one side of two fixed blocks has the deflector, and two guide ways have been seted up to one side of push pipe, and two deflectors are connected with two guide ways looks joints respectively.

Further, the draw-in groove has all been seted up to one side that two deflectors kept away from each other, and two spouts have been seted up to the lateral wall of push pipe, and equal slidable mounting has the slide in two spouts, and one side fixed mounting that two slides are close to each other has the fixture block, fixture block and draw-in groove looks joint.

Furthermore, a plurality of vertical rods are fixedly mounted in the two sliding grooves, and the sliding plates are connected with the corresponding vertical rods in a sliding mode.

Further, the outside cover of montant is equipped with the spring, the one end and the slide fixed connection of spring, the other end of spring and one side inner wall fixed connection of spout.

Compared with the prior art, the utility model discloses following beneficial effect has:

(1) the utility model can rotate the bailing nib under the action of the upper pressure by the spiral fan blades, thereby improving the downward exploration capability of the bailing nib;

(2) the utility model has the advantages that the function of the plugging turning plate is that the plugging enters the sand body in the sand setting pipe, when the sand bailing pen point downward probes, the plugging turning plate is in an open state, the sand body enters the sand setting pipe through the sand bailing pen point, when the sand bailing pen point is lifted, the plugging turning plate is in a closed state, and the sand body which has entered the sand setting pipe is prevented from entering the gas well through the sand bailing pen point; the method can improve the effectiveness of plugging and opening the passage of the sand fishing pen point, and reduce the failure rate that the passage of the sand fishing pen point cannot be plugged and opened due to sand plugging at the ball seat part caused by using the valve ball;

(3) the utility model discloses can improve the work efficiency of bailing operation, practice thrift operating time, make the gas well drop into the operation as early as possible, simple process, convenient to carry, the processing cost is low, convenient maintenance.

Drawings

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

FIG. 2 is a schematic diagram of a side view structure of the connection between the bottom tube and the plugging turning plate of the present invention;

fig. 3 is a schematic view of the three-dimensional structure of the plugging turning plate of the present invention;

FIG. 4 is a schematic structural view of the connection between the jacking pipe and the sand settling pipe of the present invention;

fig. 5 is a schematic structural view of a portion a in fig. 4.

In the figure: 1-top pipe, 2-middle pipe, 3-bottom pipe, 4-spiral fan blade, 5-sharp nozzle, 6-blocking turnover plate, 7-sand setting pipe, 8-fixed block, 9-guide plate, 10-guide groove, 11-clamping groove, 12-sliding groove, 13-sliding plate, 14-clamping block and 15-spring.

Detailed Description

The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.

Example one

Referring to fig. 1-5, the spiral bailing pen point for improving bailing efficiency comprises a top pipe 1, one end of the top pipe 1 is fixedly provided with one end of a middle pipe 2, the other end of the middle pipe 2 is fixedly provided with one end of a bottom pipe 3, the other end of the bottom pipe 3 is provided with a sharp mouth 5, the outer side of the bottom pipe 3 is fixedly provided with a spiral fan blade 4, and a blocking turning plate 6 is rotatably arranged in the bottom pipe 3.

In this embodiment, install grit tube 7 in the push pipe 1, the outside fixed mounting of grit tube 7 has two fixed blocks 8, and the equal fixed mounting in one side of two fixed blocks 8 has deflector 9, and two guide ways 10 have been seted up to one side of push pipe 1, and two deflectors 9 clamp with two guide ways 10 respectively mutually, and deflector 9 carries out vertical spacing with the setting of guide way 10 to grit tube 7.

In this embodiment, draw-in groove 11 has all been seted up to one side that two deflectors 9 kept away from each other, and two spouts 12 have been seted up to one side of push pipe 1, and equal slidable mounting has slide 13 in two spouts 12, and the equal fixed mounting in one side that two slides 13 are close to each other has fixture block 14, and two fixture blocks 14 clamp with two draw-in grooves 11 respectively mutually, and fixture block 14 can be fixed deflector 9 with the setting of draw-in groove 11.

In this embodiment, all fixed mounting has a plurality of montants in two spouts 12, slide 13 and the montant sliding connection who corresponds, and the setting up of montant makes slide 13 stable slide in spout 12.

In this embodiment, the outside of a plurality of montants all is equipped with spring 15, spring 15's one end and slide 13 fixed connection, spring 15's the other end and one side inner wall fixed connection of spout 12, and spring 15 can make slide 13 drive fixture block 14 and reset.

Example two

Referring to fig. 1-5, the spiral bailing pen point for improving bailing efficiency comprises a top pipe 1, wherein one end of the top pipe 1 is fixedly welded with one end of a middle pipe 2, the other end of the middle pipe 2 is fixedly welded with one end of a bottom pipe 3, the other end of the bottom pipe 3 is provided with a sharp mouth 5, the outer side of the bottom pipe 3 is fixedly welded with a spiral fan blade 4, and a blocking turning plate 6 is rotatably arranged in the bottom pipe 3.

In this embodiment, install grit tube 7 in push pipe 1, two fixed blocks 8 are installed through welded fastening in the outside of grit tube 7, and one side of two fixed blocks 8 all has deflector 9 through welded fastening installation, and two guide ways 10 have been seted up to one side of push pipe 1, and two deflectors 9 clamp with two guide ways 10 respectively mutually, and deflector 9 carries out vertical spacing to grit tube 7 with the setting of guide way 10.

In this embodiment, draw-in groove 11 has all been seted up to one side that two deflectors 9 kept away from each other, and two spouts 12 have been seted up to one side of push pipe 1, and equal slidable mounting has slide 13 in two spouts 12, and one side that two slides 13 are close to each other all installs fixture block 14 through welded fastening, and two fixture blocks 14 clamp with two draw-in grooves 11 respectively mutually, and fixture block 14 can be fixed deflector 9 with the setting of draw-in groove 11.

In this embodiment, all there is a plurality of montants through welded fastening in two spouts 12, slide 13 and the montant sliding connection who corresponds, and the setting up of montant makes slide 13 stable slide in spout 12.

In the embodiment, when the device is used, the sand setting pipe 7 is inserted into the top pipe 1, the two guide plates 9 are clamped into the two guide grooves 10, the inclined surfaces of the two clamping blocks 14 are extruded, the two clamping blocks 14 drive the two sliding plates 13 to be away from each other, the spring 15 is contracted, when the clamping blocks 14 are aligned with the clamping grooves 11, the spring 15 is restored, the clamping blocks 14 are clamped into the clamping grooves 11, the guide plates 9 are fixed, so that the top pipe 1 and the sand setting pipe 7 are connected and fixed, when the sand setting pen point probes downwards, the plugging turning plate 6 is in an open state, sand bodies enter the sand setting pipe 7 through the sand setting pen point, when the sand setting pen point probes downwards, the plugging turning plate 6 is in a closed state, the sand bodies entering the sand setting pipe 7 are prevented from entering a gas well through the sand setting pen point, and the spiral fan blade can enable the sand setting pen point to rotate under the action of the upper pressure, thereby improving the downward detection capability of the bailing pen point.

The cost of the spiral bailing pen point is 30000 yuan/one, the cost of the common bailing pen point is 20000 yuan/one, although the cost of the rotary bailing pen point is slightly higher, the common bailing pen point is fully extended downwards by the pen point without an auxiliary device, so that the pen point is easy to wear, the maintenance frequency and cost are increased, the maintenance cost of the common bailing pen point is 50 yuan/time, the maintenance time is 30 minutes, and the use frequency of one maintenance is 10 times; the maintenance cost of the spiral bailing pen point is 150 yuan/time, the maintenance time is 1 hour and 20 minutes, and the use times of one maintenance is 20 times. Meanwhile, the bailing efficiency of the ordinary bailing pen point of the 139.7mm sleeve is 10 m/h, while the bailing efficiency of the rotary bailing pen point is 24 m/h, so that the bailing efficiency is greatly improved. According to the sand production quantity of a single well which is 30 meters per year, the common sand fishing pen point needs 3 hours, while the rotary sand fishing pen point needs 1.25 hours, if the saved time is used for gas production, the gas production quantity of the single well is increased by 200m3 once, which is equivalent to 200 yuan RMB. The maintenance cost and other related costs are added, and the income is increased by 48 ten thousand yuan in total all the year; the method can improve the construction efficiency, shorten the well repairing time of the coal bed gas well, enable the coal bed gas well to be put into production as soon as possible, and improve the yield of the coal bed gas, and the development and the utilization of the coal bed gas are system engineering benefiting the nation and the people, so that the contradiction between energy supply and demand can be relieved, the safe production of the coal mine and the improvement of the atmospheric environment can be fundamentally ensured, employment can be increased, the local economic development can be driven, and the comprehensive benefit is remarkable.

Claims

1. The utility model provides an efficiency of bailing is improved spiral bailing nib which characterized in that: the pipe jacking device comprises a pipe jacking (1), wherein one end of the pipe jacking (1) is connected with a sand setting pipe (7), the other end of the pipe jacking (1) is fixedly connected with one end of an intermediate pipe (2), the other end of the intermediate pipe (2) is fixedly connected with one end of a bottom pipe (3), the other end of the bottom pipe (3) is provided with a sharp nozzle (5), the outer side of the bottom pipe (3) is fixedly provided with a spiral fan blade (4), and a blocking turning plate (6) capable of rotating is arranged in the bottom pipe (3).

2. The spiral bailing nib for improving bailing efficiency of claim 1, wherein: the outside fixed mounting of sand setting pipe (7) have two fixed blocks (8), the equal fixed mounting in one side of two fixed blocks (8) has deflector (9), two guide ways (10) have been seted up to one side of push pipe (1), two deflector (9) are respectively with two guide ways (10) looks joint.

3. The spiral bailing nib for improving bailing efficiency of claim 2, wherein: draw-in groove (11) have all been seted up to one side that keeps away from each other of two deflector (9), two spout (12) have been seted up to the lateral wall of top pipe (1), equal slidable mounting has slide (13) in two spout (12), one side fixed mounting that two slide (13) are close to each other has fixture block (14), fixture block (14) and draw-in groove (11) joint mutually.

4. The spiral bailing nib of claim 3, wherein: two spout (12) in all fixed mounting have a plurality of montants, slide (13) and the montant sliding connection who corresponds.

5. The spiral bailing nib of claim 4, wherein: the outside cover of montant be equipped with spring (15), the one end and slide (13) fixed connection of spring (15), the other end of spring (15) and one side inner wall fixed connection of spout (12).