CN201599015U

CN201599015U - Producing well interwell gathered-conveying constant water mixing device

Info

Publication number: CN201599015U
Application number: CN200920279190XU
Authority: CN
Inventors: 冯博; 姜冰; 张凯; 窦全新; 冯旭; 窦含倡
Original assignee: 冯博
Priority date: 2009-11-16
Filing date: 2009-11-16
Publication date: 2010-10-06
Anticipated expiration: 2019-11-16

Abstract

The utility model relates to a producing well interwell gathered-conveying constant water mixing device which mainly aims at solving the problems that the existing water mixing needle valve easily causes unstable pressure and poor circulating quality of a system, substandard water mixing temperature and frequent occurrence of well freezing accident. The device is characterized in that a screwed plug is arranged on the side wall of a shell, close to the end of a water inlet; a hole of the screwed plug is internally provided with a front-load cylinder-shaped filter screen, the upper part of which is positioned inside the hole of the shell; the middle part of an inner hole of the shell is fixed with a constant-flow water nozzle sleeve, a hole of which is internally provided with a constant-flow piston water nozzle; constant force support springs are positioned inside the constant-flow water nozzle sleeve and a hole of the constant-flow piston water nozzle; a non-return quantitative water nozzle is arranged at the end close to a water outlet hole inside the shell, and the end of the water outlet hole of the non-return quantitative water nozzle is provided with a non-return baffle. The device has the characteristics of automatically controlling constant-flow ration, leading the system pressure to be balanced, saving energy, reducing consumption and the like, and is simple in structure, easy for installation and low in cost.

Description

The defeated constant water mixing device of collection between the producing well well

Technical field

The utility model relates to used water mixing device in the oil recovery production of a kind of oil field, the invalid circulation of water mixing is moved, avoided to the quantitative water mixing of constant current between the producing well well when specifically being used for oil extraction transportation, balance sysmte pressure, systems stabilisation, the defeated constant water mixing device of collection between the producing well well of control electric energy and thermal energy consumption.

Background technology

In oilfield process, need the water mixing temperature raising winter during producing well crude oil transmission, guarantee that extraction liquid proper set is defeated, in the production management, producing well often uses needle valve control watering quantity.Because needle valve control difficulty, the water amount of striving often appears robbing between well and the well, cause the system pressure instability, it is of poor quality to circulate, the water mixing temperature is unable to lift, and often freezes the well accident, brings managerial vicious circle for the Production Wells well, cause employee work amount and labour intensity to strengthen, influenced normal oil recovery production.

The utility model content

Easily cause the unstable circulation of system pressure of poor quality in order to solve existing water mixing needle valve, the water mixing temperature is unable to lift, and high phenomenon of back pressure and the problem of freezing the well accident often take place, and the utility model relates to the defeated constant water mixing device of collection between a kind of producing well well.But the quantitative water mixing of this device constant current, balance sysmte pressure, the invalid circulation of water mixing is avoided in systems stabilisation operation, control electric energy and thermal energy consumption, and have simple in structure, be easy to install and characteristics that cost is low.

The technical solution of the utility model is: the defeated constant water mixing device of collection between a kind of producing well well, comprise the housing that two ends are connected with inlet opening movable joint and weep hole movable joint respectively, be equipped with plug near on the sidewall of inlet end on the described housing, forward type cartridge type filter screen is housed in the hole of plug, and the top of forward type cartridge type filter screen is positioned at the hole of housing; The centre position of housing endoporus is the water nozzle sleeve fixedly, the built-in constant current piston type water tap of water nozzle sleeve hole, and water nozzle sleeve and constant current piston type water tap hole are built-in with decides the power support spring; Be equipped with the non-return Quantitative water tap near water outlet end in the housing, the water outlet end of non-return Quantitative water tap is equipped with the non-return baffle plate.

Between the sidewall of described plug and housing, between non-return Quantitative water tap and housing endoporus, be between inlet opening movable joint and weep hole movable joint and housing and be threaded; The water nozzle sleeve is connected with the housing inner hole thread, and its block wing is by the step location of housing endoporus; The non-return baffle plate is articulated in the delivery port place of non-return Quantitative water tap.

The beneficial effects of the utility model are: owing to take technique scheme, in housing, be provided with constant current piston type water tap, non-return Quantitative water tap and forward type cartridge type filter screen, quantitative during the defeated water mixing of producing well collection by preposition filtration, constant current control, non-return constant voltage, balance system pressure, the systems stabilisation operation, thereby realized that the defeated water mixing of producing well collection controls automatically, reduced operator's labour intensity; Avoid the invalid circulation of water mixing, reached energy-saving and cost-reducing; Realized the defeated benign cycle of extraction liquid collection, avoided the back pressure height and freeze the well accident, guaranteed that field produces needs.

Description of drawings

Accompanying drawing 1 is a structural representation of the present utility model;

Accompanying drawing 2 is another example structure schematic diagram of the present utility model.

1-inlet opening movable joint among the figure, the 2-housing, 3-forward type cartridge type filter screen, the 4-plug, 5-constant current piston type water tap, 6-decides the power support spring, 7-Constant flow water tap sleeve, 8-constant voltage surge bunker, 9-non-return Quantitative water tap, 10-weep hole movable joint, 11-non-return baffle plate, 12-lining.

The specific embodiment

The utility model is described in further detail below in conjunction with accompanying drawing:

Shown in accompanying drawing 1, the defeated constant water mixing device of collection is mainly by inlet opening movable joint 1 and weep hole movable joint 10, housing 2, forward type cartridge type filter screen 3 and plug 4, constant current piston type water tap 5 and Constant flow water tap sleeve 7 and decide power support spring 6, constant voltage surge bunker 8, non-return Quantitative water tap 9 and non-return baffle plate 11 and form between this producing well well.The two ends of its middle shell 2 are threaded with inlet opening movable joint 1 and weep hole movable joint 10 respectively, plug 4 is threaded on the housing 2 close sidewalls of inlet end, forward type cartridge type filter screen 3 is housed in the hole of plug 4, and the some of forward type cartridge type filter screen 3 is positioned at the hole of housing 2, and water inlet is filtered; Plug 4 detachable flushing removals of contamination, and extendible capacity storage prolong the cleaning frequency; The centre position screw thread of housing 2 endoporus is Constant flow water tap sleeve 7 fixedly, and an end of Constant flow water tap sleeve 7 has block wing, is stuck on the step of housing 2 endoporus to locate; Constant flow water tap sleeve 7 hole internal clearances cooperate constant current piston type water tap 5, and Constant flow water tap sleeve 7 is built-in with constant current piston type water tap 5 holes decides power support spring 6, decides the inlet opening area of passage of the extension and contraction control constant current piston type water tap 5 of power support spring 6; Near the water outlet ends non-return Quantitative water tap 9 that is threaded, the water outlet end hinge of non-return Quantitative water tap 9 connects non-return baffle plate 11 in the housing 2, and it avoids extraction liquid to pour in down a chimney in the water mixing device in hypotony or when stopping mixing.When being used for the horizontal pipe water mixing in the production, available horizontal water mixing device as shown in Figure 1, when being used for the vertical pipeline water mixing, available vertical water mixing device as shown in Figure 2, difference with accompanying drawing 1 on the structure is the cylindrical and lining 12 threaded engagement of non-return Quantitative water tap 9 and Constant flow water tap sleeve 7, and the external diameter of lining 12 and housing 2 threaded engagement, the upper end of the lining 12 weep hole movable joint 10 that is threaded; And placing the water inlet duct at forward type cartridge type filter screen 3 places in the housing 2 is crooked shape, and purpose is to guarantee that the impurity that cartridge type filter screen 3 filters out has memory space.This device is when the defeated water mixing of oil well collection, and is quantitative by preposition filtration, constant current control, non-return constant voltage, balance system pressure, the systems stabilisation operation, thus realized that the defeated water mixing of producing well collection controls automatically, reduced operator's labour intensity; Avoid the invalid circulation of water mixing, reached energy saving purposes; Realized the defeated benign cycle of extraction liquid collection, avoided the back pressure height and freeze the well accident, guaranteed that field produces needs.

Claims

1. collect defeated constant water mixing device between a producing well well, comprise the housing (2) that two ends are connected with inlet opening movable joint (1) and weep hole movable joint (10) respectively, it is characterized in that: housing (2) is gone up near on the sidewall of inlet end and is equipped with plug (4), forward type cartridge type filter screen (3) is housed in the hole of plug (4), and the top of forward type cartridge type filter screen (3) is positioned at the hole of housing (2); The centre position of housing (2) endoporus is Constant flow water tap sleeve (7) fixedly, the built-in constant current piston type water tap in Constant flow water tap sleeve (7) hole (5), and the hole of Constant flow water tap sleeve (7) and constant current piston type water tap (5) is built-in with decides power support spring (6); Be equipped with non-return Quantitative water tap (9) near water outlet end in the housing (2), the water outlet end of non-return Quantitative water tap (9) is equipped with non-return baffle plate (11).

2. the defeated constant water mixing device of collection between producing well well according to claim 1, it is characterized in that: plug (4) is with housing (2) with housing (2) endoporus, inlet opening movable joint (1) and weep hole movable joint (10) and is threaded with sidewall, the non-return Quantitative water tap (9) of housing (2).

3. the defeated constant water mixing device of collection between producing well well according to claim 1, it is characterized in that: Constant flow water tap sleeve (7) is connected with housing (2) inner hole thread, and the block wing of an end is by the step location of housing (2) endoporus.

4. the defeated constant water mixing device of collection between producing well well according to claim 1, it is characterized in that: non-return baffle plate (11) is articulated in the delivery port of non-return Quantitative water tap (9).