CN201137470Y - Oil water well sand cut operation exit two stage sand-filtering device - Google Patents
Oil water well sand cut operation exit two stage sand-filtering device Download PDFInfo
- Publication number
- CN201137470Y CN201137470Y CNU2007200156138U CN200720015613U CN201137470Y CN 201137470 Y CN201137470 Y CN 201137470Y CN U2007200156138 U CNU2007200156138 U CN U2007200156138U CN 200720015613 U CN200720015613 U CN 200720015613U CN 201137470 Y CN201137470 Y CN 201137470Y
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- Prior art keywords
- sand
- outlet
- filter bed
- sand screening
- antifouling
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Abstract
The utility model relates to a two-stage sand screening device for the outlet of the sand cleaning outlet of an oil and water well, which is composed of a first sand screening pool, a second sand screening pool, a buffer antifouling tank, a flow plate, a vibrating screen, a motor, a baffle, a filter screen unit, a sand cleaning fluid inlet and an outlet, a gas outlet and a sand outlet, wherein the first and second sand screening pools are integrated with the baffle therebetween, the baffle at one side of the second sand screening pool is provided with the filter screen unit, the motor is provided at the side of the first sand screening pool, the vibrating screen is provided at the top of the first sand screening pool, the buffer antifouling tank is provided at the side of the first sand screening pool, with the flow plate therebetween. The utility model has reasonable design and novel structure, and can improve the sand screening speed and effect via the two-stage filter in the sand cleaning process of an oil and water well, reduce the flow speed of he sand cleaning fluid in the well, reduce the fluid splash pollution caused by impact, realize the separation of gas and fluid and support safe production.
Description
Technical field:
The utility model relates to a kind of particularly ground installation of horizontal well sand washing operation of oil, well that is used for, and belongs to petroleum well workover implement class.
Background technology:
Along with oil field development and prolongation oily, the well production time, the sand output well a few days is cumulative many, and the situation of shaking out is on the rise, and sand washing work operations amount constantly increases.In oil, well sand washing operation process, the outlet of sand washing pipeline need be provided with filter bed, and the sand cleaning fluid that is circulated to well head from pit shaft is carried out filtration treatment.At present, the filter bed filter sand ability and the filter sand speed of field by using are lower, and effect is relatively poor, because sand washing outlet is in line to circulatory pool, gas, liquid can not separate, and exist inflammable, explosive and personnel poison, the potential safety hazard of environment pollution.
The utility model content:
The purpose of this utility model is to provide a kind of oil-water well sand washing job exit secondary filter sand device that can improve filter sand ability, filter sand quality and can avoid personal injury and environment pollution in oil-water well sand washing process.
The utility model is to realize like this.This kind filter sand device is made up of one-level filter bed, secondary filter bed, the antifouling jar of buffering, drain board, vibrosieve, motor, dividing plate, filter screen group, sand cleaning fluid import, outlet, gas vent and sand removing hole, one-level filter bed and secondary filter bed are made as one, the centre is provided with dividing plate, secondary filter bed one side dividing plate is provided with the filter screen group, and the two is connected to a fixed by screw thread; One-level filter bed side is provided with motor, and top, horizontal is provided with vibrosieve; One-level filter bed side is provided with antifouling jar of buffering, cushions between antifouling jar of outlet and the one-level filter bed and is provided with drain board; Cushion on the antifouling jar of two side and be respectively equipped with sand cleaning fluid import and outlet, the top is provided with gas vent, is respectively equipped with the outlet of sand removing hole and sand cleaning fluid on one-level filter bed, the secondary filter bed sidewall.During work, this filter sand device sand cleaning fluid import is connected with oil-water well well head sand washing pipeloop.In the sand washing operation process, the sand cleaning fluid that returns out from pit shaft enters antifouling jar of buffering by well head sand washing pipeloop, realize that by the separation umbrella in the jar gas, liquid separate, reduce the impact force of returning fluid, thereby alleviating the liquid splash that causes because of impact pollutes, the gas of separating is then drained from home, away from operation field.Sand cleaning fluid is after drain board enters vibrosieve, and the isolated sand of shaker vibration is discharged from sand removing hole, and liquid enters the one-level filter bed from screen cloth.Under the effect of pressure reduction, liquid enters the secondary filter bed by the filter screen group on the dividing plate, and a small amount of sand in the sand cleaning fluid is filtered by the filter screen group and is stored in one-level filter bed bottom.The sand cleaning fluid of secondary filter bed is siphoned away by pump truck from outlet, is pressed into to continue sand washing in the well.Because this filter sand device takes the one-level vibrosieve to filter, and improves filter sand speed, take secondary filter screen group to filter and improve filter effect, thereby can reach the purpose that improves filter sand ability and filter sand quality.
The utility model is reasonable in design, and novel structure utilizes it to improve filter sand speed and effect by cascade filtration in oil-water well sand washing operation process, and can reduce the well internal return and go out the sand cleaning fluid flow velocity, alleviate the liquid splash that causes because of impact and pollute, realize that gas, liquid separate, and help safety in production.
Description of drawings:
Fig. 1 is a structural representation of the present utility model.Fig. 2 is the antifouling jar structure schematic diagram of buffering.
The specific embodiment:
The utility model is provided by following examples, is illustrated below in conjunction with accompanying drawing.
As shown in the figure, the utility model is made up of antifouling jar 1, one-level filter bed 2, dividing plate 3, secondary filter bed 4, filter screen group 5, sand cleaning fluid import 6, outlet 7, sand removing hole 8, motor 9, vibrosieve 10, drain board 11, gas vent 12, its structure, assembled relation are as follows: one-level filter bed 2 and secondary filter bed 4 are made as one, the centre is provided with dividing plate 3, secondary filter bed 2 one side dividing plates are provided with filter screen group 5, and the two is connected to a fixed by screw thread; One-level filter bed 2 sides are provided with motor 9, and top, horizontal is provided with vibrosieve 10; One-level filter bed 2 sides are provided with antifouling jar 1 of buffering, cushion between antifouling jar 1 outlet and the one-level filter bed 2 and are provided with drain board 11; Cushion and be respectively equipped with sand cleaning fluid import 6 and outlet 13 on antifouling jar of 1 two side, the top is provided with gas vent 12, is respectively equipped with sand removing hole 8 and sand cleaning fluid outlet 7 on one-level filter bed 2, secondary filter bed 4 sidewalls.Wherein, cushion in the antifouling jar of 1 (see figure 2) jar and be provided with gas-liquid separation umbrella 14, tank skin is provided with sand cleaning fluid import 6 and outlet 13, and tank deck is provided with gas vent 12.
Claims (1)
1, a kind of oil-water well sand washing job exit secondary filter sand device, form by antifouling jar of (1), one-level filter bed (2), dividing plate (3), secondary filter bed (4), filter screen group (5), sand cleaning fluid import (6), outlet (7), sand removing hole (8), motor (9), vibrosieve (10), drain board (11), gas vent (12), it is characterized in that: one-level filter bed (2) and secondary filter bed (4) are made as one, the centre is provided with dividing plate (3), secondary filter bed (2) one side dividing plates are provided with filter screen group (5), and the two is connected to a fixed by screw thread; One-level filter bed (2) side is provided with motor (9), and top, horizontal is provided with vibrosieve (10); One-level filter bed (2) side is provided with antifouling jar of buffering (1), cushions between antifouling jar (1) outlet and the one-level filter bed (2) and is provided with drain board (11); Cushion and be respectively equipped with sand cleaning fluid import (6) and outlet (13) on antifouling jar of (1) two side, the top is provided with gas vent (12), is respectively equipped with sand removing hole (8) and sand cleaning fluid outlet (7) on one-level filter bed (2), secondary filter bed (4) sidewall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200156138U CN201137470Y (en) | 2007-11-02 | 2007-11-02 | Oil water well sand cut operation exit two stage sand-filtering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200156138U CN201137470Y (en) | 2007-11-02 | 2007-11-02 | Oil water well sand cut operation exit two stage sand-filtering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201137470Y true CN201137470Y (en) | 2008-10-22 |
Family
ID=40038156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200156138U Expired - Fee Related CN201137470Y (en) | 2007-11-02 | 2007-11-02 | Oil water well sand cut operation exit two stage sand-filtering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201137470Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695879A (en) * | 2015-03-10 | 2015-06-10 | 中交第四公路工程局有限公司 | Hole-cleaning method for washing pile hole and pumping sand |
-
2007
- 2007-11-02 CN CNU2007200156138U patent/CN201137470Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104695879A (en) * | 2015-03-10 | 2015-06-10 | 中交第四公路工程局有限公司 | Hole-cleaning method for washing pile hole and pumping sand |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081022 Termination date: 20091202 |