CN208040353U - A kind of sand control wax pattern oil well check valve - Google Patents
A kind of sand control wax pattern oil well check valve Download PDFInfo
- Publication number
- CN208040353U CN208040353U CN201820478320.1U CN201820478320U CN208040353U CN 208040353 U CN208040353 U CN 208040353U CN 201820478320 U CN201820478320 U CN 201820478320U CN 208040353 U CN208040353 U CN 208040353U
- Authority
- CN
- China
- Prior art keywords
- valve body
- sand
- left end
- screw thread
- hollow tubular
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
A kind of sand control wax pattern oil well check valve, including：Valve body（1）, pressure cap（2）, plunger（3）, spring（4）, sand-proof pipe（5）, it is characterized in that：The valve body（1）For hollow tubular, oil outlet is vertically arranged in hollow tubular left end（6）, plunger is provided in hollow tubular（3）, spring（4）, in valve body（1）Right end is provided with interior screw thread, and pressure cap is provided in interior screw thread（2）, in valve body（1）Sand-proof pipe is arranged by another screw thread activity in left end（5）, in left end, strainer is set（7）, in sand-proof pipe（5）Several slots are set on outer arm（8）.The advantageous effect of the utility model is：It can prevent crude oil from flowing backwards, while various impurity can be prevented to enter in valve body, extend maintenance period, reduce maintenance cost.
Description
Technical field
The utility model belongs to field of petroleum exploitation, specifically a kind of sand control wax pattern oil well check valve.
Background technology
Late period of oil field, oil reservoir fluid supply capacity is low, and reservoir physical property, pit shaft situation are deteriorated, and exploitation difficulty increases,
Oil well is influenced with shaking out, going out wax due to aqueous high, fuel-displaced interval, has been aggravated the leakage of oil pipe and oil well pump, while oil field is adopted
Produced with gathering and transferring process, individual well extraction crude oil does not enter individual well storage tank, but all single wells it is fuel-displaced be pooled to it is straight after main pipe line
It taps into crude oil memory block, this mode of production reduces production cost, but producing oil there are the high well of pressure can be with manifold
After line pours in down a chimney into the low well of pressure, causes one-well metering inaccurate, while individual well is not fuel-displaced, the extraction oil of other wells also can be with
Main pipe line pours in down a chimney into problem well, causes oil well problem that cannot find in time, influences yield.
Invention content
The utility model solve the technical issues of be：The high well extraction oil of pressure can pour in down a chimney low into pressure with main pipe line
After well causes one-well metering inaccurate, while individual well is not fuel-displaced, the extraction oil of other wells can also pour in down a chimney with main pipe line into problem
Well causes oil well problem that cannot find in time, influences yield.
The utility model the technical solution adopted is that：A kind of sand control wax pattern oil well check valve, including：Valve body, pressure cap, column
Plug, spring, sand-proof pipe, it is characterized in that：The valve body is hollow tubular, and oil outlet is vertically arranged in hollow tubular left end,
It is provided with plunger, spring in hollow tubular, valve body right end is provided with interior screw thread, pressure cap is provided in interior screw thread, in valve body
Sand-proof pipe is arranged by another screw thread activity in left end, and strainer is arranged in left end, several cut is arranged on sand-proof pipe outer arm
Seam.
Operation principle：By sand control wax pattern oil well check valve left end by being threadably mounted at the resistance oil nozzle sleeve of individual well flow line
Interior, during normal production, liquid is open-top to the right by the plunger in valve body by ball-and-seat for oil well, and liquid is by the oil outlet on valve body
Into surface line, then import and collect defeated main pipe line, oil well is not fuel-displaced, interval is fuel-displaced or occur ball-and-seat outlet pressure be more than into
When mouth pressure, the plunger in valve body is moved to the left rapidly closing oil outlet under the thrust of spring, prevents oil gas from flowing backwards.
To prevent the sand contained in Produced Liquid, wax, incrustation scale, mechanical admixture from blocking ball-and-seat, the slot of valve body left end can have
Effect reduces direct impact of the fluid to ball-and-seat, prevents various impurity from entering in valve body, extends maintenance period, reduces maintenance
Cost.
The advantageous effect of the utility model is：It can prevent crude oil from flowing backwards, while various impurity can be prevented to enter in valve body, prolong
Long maintenance period reduces maintenance cost.
Description of the drawings
Fig. 1 is the side view when utility model is not fuel-displaced.
Fig. 2 is the side view when utility model is fuel-displaced.
Fig. 3 is the left view of Fig. 1.
In figure：1, valve body, 2, pressure cap, 3, plunger, 4, spring, 5, sand-proof pipe, 6, oil outlet, 7, strainer, 8, slot.
Specific implementation mode
In Fig. 1, Fig. 2, Fig. 3, including：Valve body 1, pressure cap 2, plunger 3, spring 4, sand-proof pipe 5, it is characterized in that：Described
Valve body 1 is hollow tubular, is vertically arranged oil outlet 6 in hollow tubular left end, plunger 3, spring 4 are provided in hollow tubular,
1 right end of valve body is provided with interior screw thread, pressure cap 2 is provided in interior screw thread, passes through the activity of another screw thread in 1 left end of valve body
Sand-proof pipe 5 is set, strainer 7 is set in left end, several slots 8 are set on 5 outer arm of sand-proof pipe.
Claims (1)
1. a kind of sand control wax pattern oil well check valve, including：Valve body（1）, pressure cap（2）, plunger（3）, spring（4）, sand-proof pipe（5）,
It is characterized in that：The valve body（1）For hollow tubular, oil outlet is vertically arranged in hollow tubular left end（6）, in hollow tubular
It is provided with plunger（3）, spring（4）, in valve body（1）Right end is provided with interior screw thread, and pressure cap is provided in interior screw thread（2）, in valve
Body（1）Sand-proof pipe is arranged by another screw thread activity in left end（5）, in left end, strainer is set（7）, in sand-proof pipe（5）Outside
Several slots are set on arm（8）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820478320.1U CN208040353U (en) | 2018-04-06 | 2018-04-06 | A kind of sand control wax pattern oil well check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820478320.1U CN208040353U (en) | 2018-04-06 | 2018-04-06 | A kind of sand control wax pattern oil well check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208040353U true CN208040353U (en) | 2018-11-02 |
Family
ID=63943328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820478320.1U Expired - Fee Related CN208040353U (en) | 2018-04-06 | 2018-04-06 | A kind of sand control wax pattern oil well check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208040353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206509A (en) * | 2019-05-24 | 2019-09-06 | 中国地质科学院地质力学研究所 | A kind of water level differential pressure control valve |
-
2018
- 2018-04-06 CN CN201820478320.1U patent/CN208040353U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206509A (en) * | 2019-05-24 | 2019-09-06 | 中国地质科学院地质力学研究所 | A kind of water level differential pressure control valve |
| CN110206509B (en) * | 2019-05-24 | 2022-05-27 | 中国地质科学院地质力学研究所 | Water level differential pressure control valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181102 Termination date: 20190406 |