CN215057280U - Bottom pouring and producing device for petroleum producing well - Google Patents

Abstract

The utility model discloses a device is adopted to oil exploitation underground, including exploitation pipe and outside connecting pipe, the inner wall of outside connecting pipe and the top surface threaded connection who adopts the pipe, the inside of outside connecting pipe is provided with takes out oil pipe, sealed dish is installed to the inner wall of outside connecting pipe, and the through-hole has been seted up to the upper surface of sealed dish, and the arc wall has been seted up to the inner wall of exploitation pipe, and O type sealing washer is installed to the inner wall of arc wall, and the surperficial overlap joint of the surface of O type sealing washer and sealed dish, the inner wall fixedly connected with closing plate of exploitation pipe. This device is adopted to oil exploitation underground to make a bet through setting up sealed dish and O type sealing washer, has increased the connection leakproofness of exploitation pipe and external connection pipe, has effectively solved the easy problem that appears leaking among the exploitation process, through setting up closing plate, gag lever post, fly leaf and spring, can avoid the space of junction to pile up more oil, and the oil pumping pipe oil pumping speed is the condition appearance that leads to stopping up slowly, has improved oil exploitation efficiency.

Description

Bottom pouring and producing device for petroleum producing well

Technical Field

The utility model relates to an oil development technical field specifically is a device is adopted to oil development well lower filling.

Background

Oil extraction refers to the act of excavating and extracting oil in places where oil is stored, during the process of extracting oil, oil gas flows into the well bottom from a reservoir and rises to the well top from the well bottom, and fuel oil extracted from oil is the main fuel of various kilns in transportation tools, power station boilers, metallurgical industry and building material industry, so that oil is used as strategic material in many countries.

At present stage when exploiting the oil, adopt the drilling rod to squeeze into inside the oil recovery well mostly, through the extrusion of oil pressure in the well, make oil gas pass through the sucker rod upwards to spray and take, this kind of mode is mostly in order to improve intraductal pressure and can normally exploit and adopt the pipeline of short pipe diameter in order to ensure oil gas, short pipe diameter pipeline is when being linked together with outside pipeline, the oil can be piled up in the space of junction, the condition that appears oil jam after long-time the use easily appears, lead to the stability among the oil recovery process relatively poor, and then directly influenced oil recovery efficiency, the practicality is relatively poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil recovery is made a bet and is adopted device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an oil exploitation underground injection production device, includes exploitation pipe and outside connecting pipe, the inner wall of outside connecting pipe and the top surface threaded connection of exploitation pipe, the inside of outside connecting pipe is provided with takes out oil pipe, sealed dish is installed to the inner wall of outside connecting pipe, the through-hole has been seted up to the upper surface of sealed dish, the arc wall has been seted up to the inner wall of exploitation pipe, O type sealing washer is installed to the inner wall of arc wall, and the surface of O type sealing washer and the surperficial overlap joint of sealed dish, the inner wall fixedly connected with closing plate of exploitation pipe, the inlet port has been seted up to the upper surface of closing plate, four gag lever posts of last fixed surface of closing plate, and the sliding surface of four gag lever posts is connected with the fly leaf, the surperficial cover of gag lever post is equipped with the spring, the bottom of spring and the upper surface overlap joint of fly leaf.

Preferably, the surface of the mining pipe is fixedly connected with a sewage discharge pipe, the upper surface of the sewage discharge pipe is provided with a fixing hole, and the inner wall of the fixing hole is fixedly connected with a connecting pipe.

Preferably, the surface and the inner wall of the sewage discharge pipe are respectively provided with two jacks and a limiting groove, and the inner walls of the jacks and the limiting groove are connected with a plug board in a sliding manner.

Preferably, two the filtration hole has all been seted up to the upper surface of picture peg, and first filter screen and second filter screen are installed respectively to the inner wall of filtering the hole.

Preferably, the left side fixedly connected with arc mounting panel of picture peg, and the surperficial overlap joint of arc mounting panel and blow off pipe.

Preferably, the surface of the sewage draining pipe and the side surface of the arc-shaped mounting plate are respectively provided with a threaded hole which is matched with each other, and the inner wall of the threaded hole is in threaded connection with a mounting bolt.

Advantageous effects

The utility model provides a device is adopted to oil recovery well lower pouring possesses following beneficial effect:

1. this device is adopted to oil exploitation underground to make a bet through setting up sealed dish and O type sealing washer, has increased the connection leakproofness of exploitation pipe and external connection pipe, has effectively solved the easy problem that appears leaking among the exploitation process, through setting up closing plate, gag lever post, fly leaf and spring, can avoid the space of junction to pile up more oil, and the oil pumping pipe oil pumping speed is the condition appearance that leads to stopping up slowly, has improved oil exploitation efficiency.

2. This oil exploitation is making a bet and is adopting device through setting up blow off pipe, picture peg, arc mounting panel and construction bolt, when being convenient for carry out the reinjection stratum to oil waste water, also be convenient for change first filter screen and second filter screen, realized that exploitation and sewage reinjection go on simultaneously, need not follow-up special reinjection well that bores, improved blowdown discharge efficiency greatly, facilitate the use more.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

fig. 3 is an enlarged schematic view of a structure in fig. 1.

In the figure: 1 exploitation pipe, 2 external connection pipes, 3 sealed discs, 4O type sealing rings, 5 sealing plates, 6 limiting rods, 7 movable plates, 8 springs, 9 blow-off pipes, 10 spiles, 11 arc-shaped mounting plates and 12 mounting bolts.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a device is adopted to oil exploitation underground, includes exploitation pipe 1 and external connection pipe 2, the top surface threaded connection of the inner wall of external connection pipe 2 and exploitation pipe 1, and the inside of external connection pipe 2 is provided with takes out oil pipe, and sealed dish 3 is installed to the inner wall of external connection pipe 2, and the through-hole has been seted up to sealed dish 3's upper surface.

The arc wall has been seted up to the inner wall of exploitation pipe 1, and O type sealing washer 4 is installed to the inner wall of arc wall, and the overlap joint of the surface of O type sealing washer 4 and sealed dish 3, and the inner wall fixedly connected with closing plate 5 of exploitation pipe 1, the inlet port has been seted up to the upper surface of closing plate 5.

The upper surface of the sealing plate 5 is fixedly connected with four limiting rods 6, the surfaces of the four limiting rods 6 are connected with a movable plate 7 in a sliding mode, a spring 8 is sleeved on the surface of each limiting rod 6, and the bottom end of each spring 8 is in lap joint with the upper surface of the corresponding movable plate 7.

Through setting up sealed dish 3 and O type sealing washer 4, increased the connection leakproofness of exploitation pipe 1 and external connection pipe 2, effectively solved the easy problem that appears leaking among the exploitation process, through setting up closing plate 5, gag lever post 6, fly leaf 7 and spring 8, can avoid the space of junction to pile up more oil, the condition that the oil pumping pipe oil pumping speed leads to blockking up slowly appears, has improved oil exploitation efficiency.

The fixed surface of exploitation pipe 1 is connected with blow off pipe 9, and the fixed orifices has been seted up to the upper surface of blow off pipe 9, and two jacks and spacing groove have been seted up respectively to the inner wall fixedly connected with connecting pipe of fixed orifices, the surface of blow off pipe 9 and inner wall, and the inner wall sliding connection of jack and spacing groove has picture peg 10.

The upper surface of two picture pegs 10 has all been seted up and has been crossed the filtration pore, crosses the inner wall in filtration pore and installs first filter screen and second filter screen respectively, and the left side fixedly connected with arc mounting panel 11 of picture peg 10, and the surperficial overlap joint of arc mounting panel 11 and blow off pipe 9.

The screw hole of looks adaptation is seted up respectively to the surface of blow off pipe 9 and the side of arc mounting panel 11, and the inner wall threaded connection of screw hole has mounting bolt 12, and the bottom intercommunication of blow off pipe 9 has out the book pipe, and the surface of outlet pipe is provided with the check valve.

Through setting up blow off pipe 9, picture peg 10, arc mounting panel 11 and construction bolt 12, when being convenient for carry out the reinjection stratum to oil waste water, also be convenient for change first filter screen and second filter screen, realized that exploitation and sewage reinjection go on simultaneously, need not follow-up special reinjection well that bores, improved blowdown discharge efficiency greatly, facilitate the use more.

The working principle is as follows: when the injection and production device is used, the external connecting pipe 2 is in threaded connection with the production pipe 1, the O-shaped sealing ring 4 is extruded by the sealing disc 3 to deform and fill a gap at the joint, the sealing performance of the production pipe 1 and the external connecting pipe 2 is improved, the problem of oil leakage is avoided, meanwhile, the production pipe 1 is placed into an oil well, oil is extruded outwards by the internal pressure in the oil well, the movable plate 7 is extruded upwards and lifted, the oil enters the production pipe 1 through the sealing plate 5, when the weight of the oil in the production pipe 1 is greater than the oil pressure in the well, the movable plate 7 moves downwards and blocks the sealing plate 5, when the oil pumping pipe finishes the oil pumping in the production pipe 1, the weight of the oil in the production pipe 1 is less than the oil pressure in the well, the movable plate 7 moves upwards at the moment, the production is carried out again, the situation that more oil is accumulated in the gap at the joint, the oil pumping speed of the oil pumping pipe is slower, so as to cause blockage can be avoided, the efficiency of oil development is improved, and the sewage after crude oil passes through dewatering equipment to be handled simultaneously gets into blow off pipe 9 through the connecting pipe to through first filter screen and second filter screen, discharge from the outlet pipe, through arc mounting panel 11, construction bolt 12 and the picture peg 10 that sets up, be convenient for more change first filter screen and second filter screen, improved blowdown efficiency, the practicality is higher.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a device is adopted to oil exploitation underground, is including exploiting pipe (1) and outside connecting pipe (2), the inner wall of outside connecting pipe (2) and the top surface threaded connection who exploits pipe (1), and the inside of outside connecting pipe (2) is provided with takes out oil pipe, its characterized in that: sealing dish (3) are installed to the inner wall of outside connection pipe (2), the through-hole has been seted up to the upper surface of sealing dish (3), the arc wall has been seted up to the inner wall of exploitation pipe (1), O type sealing washer (4) are installed to the inner wall of arc wall, and the surface of O type sealing washer (4) and the surperficial overlap joint of sealing dish (3), the inner wall fixedly connected with closing plate (5) of exploitation pipe (1), the inlet port has been seted up to the upper surface of closing plate (5), the last fixed surface of closing plate (5) is connected with four gag lever posts (6), and the sliding surface of four gag lever posts (6) has fly leaf (7), the surperficial cover of gag lever post (6) is equipped with spring (8), the bottom of spring (8) and the upper surface overlap joint of fly leaf (7).

2. An oil recovery downhole well cementing device according to claim 1, wherein: the surface of the mining pipe (1) is fixedly connected with a blow-off pipe (9), the upper surface of the blow-off pipe (9) is provided with a fixing hole, and the inner wall of the fixing hole is fixedly connected with a connecting pipe.

3. An oil recovery downhole well cementing device according to claim 2, wherein: two jacks and a limiting groove are respectively formed in the surface and the inner wall of the sewage discharge pipe (9), and the jacks and the inner wall of the limiting groove are connected with a plug board (10) in a sliding mode.

4. A petroleum production downhole well injection apparatus according to claim 3, wherein: two the filtration hole has all been seted up to the upper surface of picture peg (10), and first filter screen and second filter screen are installed respectively to the inner wall of filtering the hole.

5. A petroleum production downhole well injection apparatus according to claim 3, wherein: the left side fixedly connected with arc mounting panel (11) of picture peg (10), and arc mounting panel (11) and the surperficial overlap joint of blow off pipe (9).

6. An oil recovery downhole well injection apparatus according to claim 2 or 5, wherein: the surface of the sewage draining pipe (9) and the side surface of the arc-shaped mounting plate (11) are respectively provided with a threaded hole which is matched with the arc-shaped mounting plate, and the inner wall of the threaded hole is in threaded connection with a mounting bolt (12).

Images