RU133191U1 - Installation for simultaneously separate operation of two strays - Google Patents

Installation for simultaneously separate operation of two strays Download PDF

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Publication number
RU133191U1
RU133191U1 RU2012106062/03U RU2012106062U RU133191U1 RU 133191 U1 RU133191 U1 RU 133191U1 RU 2012106062/03 U RU2012106062/03 U RU 2012106062/03U RU 2012106062 U RU2012106062 U RU 2012106062U RU 133191 U1 RU133191 U1 RU 133191U1
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RU
Russia
Prior art keywords
valve
communication
packer
cylinder
plunger
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RU2012106062/03U
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Russian (ru)
Inventor
Камиль Мансурович Гарифов
Наиль Габдулбариевич Ибрагимов
Владимир Гелиевич Фадеев
Руслан Габделракибович Заббаров
Рамиль Нафисович Ахметвалиев
Альберт Хамзеевич Кадыров
Александр Владимирович Глуходед
Илгам Нухович Рахманов
Виктор Александрович Балбошин
Original Assignee
Открытое акционерное общество "Татнефть" имени В.Д. Шашина
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Priority to RU2012106062/03U priority Critical patent/RU133191U1/en
Application granted granted Critical
Publication of RU133191U1 publication Critical patent/RU133191U1/en

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Abstract

Installation for simultaneous and separate operation of two layers, including an elevator pipe string, a packer, a liner, a rod string and a sucker rod pump with an additional suction valve connected by an outlet with an opening in the cylinder wall, a hollow body, the upper part of which is equipped with a check valve and the lower part is the main a suction valve and a dividing piston located below the hole for the side valve in the cylinder with the possibility of limited longitudinal movement down into the body cavity and up under the influence of the plunger An era, characterized in that an additional packer is installed above the upper layer, a non-return valve on the hollow body is in communication with the annulus, and the main and additional suction valves are in communication with channels located in the liner, with one of the layers not communicating with the other channel, the rods are solid , and the cavity of the plunger is in communication with the elevator pipes.

Description

The invention relates to the oil industry, in particular, downhole pumping units.
A well-known well installation for simultaneous and separate operation of two layers in a well (RF patent No. 2221136, IPC ЕВВ 43/14, Bull. No. 1 for 2004), containing a lift pipe string, a packer, a liner and a sucker rod pump with a main and additional suction valves).
The disadvantage of this installation is the mixing of reservoir products, which does not allow us to directly determine the flow rates and water cut of reservoir products.
The closest in technical essence to the proposed one is a unit for simultaneous and separate operation of two layers (RF patent No. 2370641, IPC ЕВВ 43/14, Bull. No. 29 for 2009), containing a column of elevator pipes, a packer, a liner, a hollow column rods and sucker rod pumps with additional suction valve and separation piston.
The disadvantage of the installation is the low throughput of the channel of the hollow rods due to its small cross-section and the channel of the elevator pipes, also due to the reduction of its cross section due to the large outer diameter of the hollow rods and their locking joints.
The technical problem solved by the installation is to increase the cross-section of the channels for lifting products, and as a result, reducing the flow rate, hydraulic losses and the formation of an emulsion in the presence of water in the product.
This problem is solved by the proposed installation for simultaneous and separate operation of two layers, including an elevator pipe string, a packer, a liner, a rod string and a sucker rod pump with an additional suction valve connected to the outlet with a hole in the cylinder wall, a hollow body, the upper part of which is equipped with a check valve, and the bottom - the main suction valve, and a separation piston located below the hole for the side valve in the cylinder with the possibility of limited longitudinal movement down into strips body and up under the influence of the plunger.
New is that an additional packer is installed above the upper layer, a non-return valve on the hollow body is in communication with the annulus, and the main and additional suction valves are communicated by channels located in the liner, with one of the layers not communicating with the other channel, the rods are solid, and the cavity of the plunger is in communication with the elevator pipes.
Figure 1 shows the installation diagram when the cylinder cavity under the separation piston is in communication with the under-packer space, and above the separation cylinder with the interpacker space, and figure 2 shows the installation diagram when the cylinder cavity under the separation piston is in communication with the interpacker space and above the separation chamber - with under-packer space.
The installation comprises a sucker rod pump 1 (Fig. 1), lowered into the well on a string of lift pipes 2, the cylinder 3 of which is provided with an opening 4 with an additional suction valve 5. A plunger 7 with a discharge valve 8 and a separation piston 9 are moved inside the cylinder 3 on the rods 6 limiter 10. A hollow casing 11 is attached to the lower part of the cylinder 3, the inner cavity 12 of which is made larger in diameter than the cylinder 3. A check valve 13 is installed in the upper part of the casing, connected by the outlet to the annulus 14 formed by spluatatsionnoy 15, the elevator 2 columns, and optional packer 16 set above the upper reservoir 17. At the bottom of the main body 11 is mounted a suction valve 18, the message input via the passageway 19 in the shank 20 with a space below the main packer 21 communicating with the lower reservoir 22.
The additional suction valve 5 is communicated by a channel 23 passing through the bypass tube 24 and the channel 19 into the shank 20, with the upper layer 17 separated by an additional packer 16 from the annular space and the main packer 21 from the lower layer 22.
Figure 2 shows the installation in which the channel 19 is in communication with the upper 17, and the channel 23 with the lower 22 layers.
The installation works as follows.
When the plunger 7 (Fig. 1) moves together with the separation piston 9, driven by the rod string 6, up into the cavity 12 of the housing 11, first through the main suction valve 18, channel 19, the space under the main packer 21 enters the production of the lower layer 22. After reaching limiters 10 of the lower end of the cylinder 3, the separation piston 9 stops, and the plunger 7 continues to move upward, creating a vacuum in the space between it and the piston 9, where through an additional suction valve 5, the channel 23 passing through the tube 24 and the shank 20 , the space between the main 21 and the additional 16 packers, the output of the upper layer 17.
After reaching the top dead center, the plunger 7 moves down, while the products of the upper layer 17 are displaced through the discharge valve 8 into the cavity of the elevator column 2 and then up to the wellhead (not shown).
After plunger 7 reaches piston 9, they move together, displacing piston 9 production of the lower layer 22 through the check valve 13, which serves as an additional discharge valve, into the annulus formed by lift 2 and production 15 columns and to the wellhead (not shown).
When performing the installation according to the scheme shown in FIG. 2, when the plunger moves upward, the products of the upper formation 17 enter firstly into the cavity 12 of the housing 11, and after the separation piston 9 stops, the products of the lower formation 22.
Thus, the proposed installation allows without the use of hollow rods to separately operate two layers and to raise their products separately. Especially effective will be the use of the proposed installation in wells with highly viscous products, while it is desirable to raise more viscous products along the annulus.
At the same time, due to the large cross-section of the annular space, the fluid velocity and, consequently, the pressure loss from friction are significantly reduced, and when the velocity is reduced, the formation of an emulsion in the presence of water in the production is also reduced.

Claims (1)

  1. Installation for simultaneous and separate operation of two layers, including an elevator pipe string, a packer, a liner, a rod string and a sucker rod pump with an additional suction valve connected by an outlet with an opening in the cylinder wall, a hollow body, the upper part of which is equipped with a check valve and the lower part is the main a suction valve and a dividing piston located below the hole for the side valve in the cylinder with the possibility of limited longitudinal movement down into the body cavity and up under the influence of the plunger An era, characterized in that an additional packer is installed above the upper layer, a non-return valve on the hollow body is in communication with the annulus, and the main and additional suction valves are in communication with channels located in the liner, with one of the layers not communicating with the other channel, the rods are solid and the cavity of the plunger is in communication with the elevator pipes.
    Figure 00000001
RU2012106062/03U 2012-02-20 2012-02-20 Installation for simultaneously separate operation of two strays RU133191U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
RU2012106062/03U RU133191U1 (en) 2012-02-20 2012-02-20 Installation for simultaneously separate operation of two strays

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
RU2012106062/03U RU133191U1 (en) 2012-02-20 2012-02-20 Installation for simultaneously separate operation of two strays

Publications (1)

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RU133191U1 true RU133191U1 (en) 2013-10-10

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2578093C1 (en) * 2015-02-10 2016-03-20 Открытое акционерное общество "Татнефть" имени В.Д. Шашина Plant for simultaneous separate operation of two formations
CN106907313A (en) * 2017-04-11 2017-06-30 高晶 Dual channel deep oil well pump
RU2738921C1 (en) * 2019-12-17 2020-12-18 Общество с ограниченной ответственностью "Пакер" Unit for simultaneous separate operation of two formations

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU2578093C1 (en) * 2015-02-10 2016-03-20 Открытое акционерное общество "Татнефть" имени В.Д. Шашина Plant for simultaneous separate operation of two formations
CN106907313A (en) * 2017-04-11 2017-06-30 高晶 Dual channel deep oil well pump
RU2738921C1 (en) * 2019-12-17 2020-12-18 Общество с ограниченной ответственностью "Пакер" Unit for simultaneous separate operation of two formations

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