CN202284462U - Uniform steam injection bleeder for horizontal well - Google Patents
Uniform steam injection bleeder for horizontal well Download PDFInfo
- Publication number
- CN202284462U CN202284462U CN 201120408951 CN201120408951U CN202284462U CN 202284462 U CN202284462 U CN 202284462U CN 201120408951 CN201120408951 CN 201120408951 CN 201120408951 U CN201120408951 U CN 201120408951U CN 202284462 U CN202284462 U CN 202284462U
- Authority
- CN
- China
- Prior art keywords
- steam injection
- bleeder
- spring
- oil drain
- draining hole
- 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
Images
Landscapes
- Jet Pumps And Other Pumps (AREA)
Abstract
The utility model provides a uniform steam injection bleeder for a horizontal well. By the uniform steam injection bleeder for the horizontal well, a device wall oil drain hole which is communicated with a main body inner hole is formed on the main body of the steam injection bleeder; a pressing cap is in threaded connection with the device wall oil drain hole; steps connected with one end of a spring are arranged in the device wall oil drain hole; the other end of the spring is connected with a steel ball in a pressing cap oil drain hole; the pressing cap oil drain hole is tangent to the steel ball; and the outer side of the spring is meshed with the device wall oil drain hole and the pressing cap oil drain holes. During use, the steam injection bleeder is connected to the upper end of a uniform steam injection allocator of a horizontal petroleum well and the lower end of a sand settling device.
Description
Technical field
The utility model relates to petroleum machinery, relates in particular to a kind of horizontal well even steam injection bleeder.
Background technology
In the oil development at present, when heavy crude heat extraction horizontal well even steam injection technology was accomplished, fluid resistance was big in exploitation process, open flow speed is slow, the oil reservoir pressure release waits problem slowly owing to exist, and causes oil well yield low; Also having is exactly can be when oil pipe is carried in operation, and the crude oil in the oil pipe can spray on the ground, causes crude oil loss and environment pollution on the one hand, increases task difficulty on the other hand, thereby influences crude output.
Summary of the invention
The purpose of the utility model is intended to overcome the deficiency of prior art; Provide a kind of and accomplish at steam injection technology that fluid resistance is less in the exploitation process of back, open flow speed fast, the oil reservoir pressure release is slow reaches when oil pipe is carried in operation soon; Crude oil in the oil pipe can not spray on the ground, avoids the horizontal well even steam injection bleeder of crude oil loss, environment pollution and minimizing task difficulty.
The purpose of the utility model can realize through following technical measures:
Main body is provided with the wall draining hole that is communicated with the main body endoporus, and pressure cap is threaded with wall draining hole, is provided with the step that joins with spring one end in the wall draining hole, and the steel ball in the other end of spring and the pressure cap draining hole joins.
The purpose of the utility model also can realize through following technical measures:
Pressure cap draining hole and steel ball are tangent; Outside the spring and wall draining hole, pressure cap draining hole coincide.
The utility model has following innovative point compared with prior art:
1, reliable draining in thick oil thermal extraction;
2, easy to use, can satisfy it and carry out special process requirements such as sectionalization test, channeling test of cement sheath simultaneously.
3, it is stressed not increase tubing string, and control can reuse automatically.
The utility model can realize oil well quick open flow, avoid problems such as crude oil loss and environment pollution.The utility model mainly contains main body, pressure cap, steel ball, spring composition; The two ends of bleeder have top connection and lower contact to be connected respectively on the tubing string; Place, wall draining hole is equipped with spring, between spring and the pressure cap steel ball is housed, and makes steel ball just be stuck between pressure cap and the spring.Wall draining hole is big from the inside aperture of outer wall, and the aperture of interior middle part autonomous agent endoporus is little, and two holes are same axis and constitute a step cutting pattern, and spring one is sat up straight and dropped on the step, and step plays the effect of spring pedestal.Size is also inequality between the draining hole at pressure cap place and the steel ball, and the endoporus of pressure cap and steel ball are just tangent, forms linear sealing, and pressure cap is threaded with wall draining hole.
In the job execution process, the utility model is connected on the upper end of horizontal well even steam injection injection allocation device, the lower end of sand-settling device.The utility model just is equivalent to general steam injection string in the process of annotating vapour; The bleeder pressure inside is greater than the pressure of outside; Withstand on the pressure cap steel ball stiff; Owing in design process, steel ball and being connected of pressure cap are designed to linear sealing, from the draining duct, do not discharge so do not have gas.Have only when the steam injection technology end; In exploitation process, produce certain pressure reduction inside and outside the pressure; Because external pressure is higher than pressure inside,, pressure differential will force steel ball to the motion of spring direction when reaching certain value, in the effect lower spring contraction of steel ball; Form certain clearance between steel ball and the pressure cap, make the inner residual oil of tubing string discharge along the endoporus that the draining duct enters into main body.Reduced at steam injection technology problems such as accomplishing fluid resistance in the exploitation process of back, accelerated open flow speed, the pressure release of realization oil reservoir is rapider.
Description of drawings:
Fig. 1 is the structural representation of the utility model embodiment.
The specific embodiment:
Embodiment:
Main body 1 is provided with the wall draining hole 6 that is communicated with main body endoporus 7; Pressure cap 2 is threaded with wall draining hole 6; Be provided with the step that joins with spring 5 one ends in the wall draining hole 6; Steel ball 3 in the other end of spring 5 and the pressure cap draining hole 4 joins, and pressure cap draining hole 4 is tangent with steel ball 3, and outside the spring 5 and wall draining hole 6, pressure cap draining hole 4 coincide.
Claims (3)
1. horizontal well even steam injection bleeder; It is characterized in that main body (1) is provided with the wall draining hole (6) that is communicated with main body endoporus (7); Pressure cap (2) is threaded with wall draining hole (6); Be provided with the step that joins with spring (5) one ends in the wall draining hole (6), the steel ball (3) in the other end of spring (5) and the pressure cap draining hole (4) joins.
2. horizontal well even steam injection bleeder according to claim 1 is characterized in that pressure cap draining hole (4) and steel ball (3) are tangent.
3. horizontal well even steam injection bleeder according to claim 1 is characterized in that outside the spring (5) and wall draining hole (6), pressure cap draining hole (4) coincide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120408951 CN202284462U (en) | 2011-10-25 | 2011-10-25 | Uniform steam injection bleeder for horizontal well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120408951 CN202284462U (en) | 2011-10-25 | 2011-10-25 | Uniform steam injection bleeder for horizontal well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202284462U true CN202284462U (en) | 2012-06-27 |
Family
ID=46295988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120408951 Expired - Fee Related CN202284462U (en) | 2011-10-25 | 2011-10-25 | Uniform steam injection bleeder for horizontal well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202284462U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916909A (en) * | 2016-10-09 | 2018-04-17 | 中国石油天然气股份有限公司 | Baffle oil drain device |
-
2011
- 2011-10-25 CN CN 201120408951 patent/CN202284462U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107916909A (en) * | 2016-10-09 | 2018-04-17 | 中国石油天然气股份有限公司 | Baffle oil drain device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103573212B (en) | Composite bushing well cementation split plug device | |
| CN202284462U (en) | Uniform steam injection bleeder for horizontal well | |
| CN203718228U (en) | Quick connector for airtight test | |
| CN204457571U (en) | Bumping pump type blowout prevention device | |
| CN203463069U (en) | Mechanical hydraulic switchable fracturing sliding sleeve | |
| CN203098261U (en) | Sand-bury-preventing oil well pump oil inlet valve | |
| CN202938961U (en) | Shock absorption type pressure gauge connector | |
| CN202544789U (en) | While-drilling jar | |
| CN201407009Y (en) | Hydraulic packer | |
| CN102628347A (en) | Compound collision pressure device of tail pipe well cementation rubber plug | |
| CN203547655U (en) | Well cementing split rubber plug device of composite casing pipe | |
| CN201953351U (en) | Sliding sleeve oil drainage device | |
| CN203531839U (en) | Automatic grouting float shoe | |
| CN202441326U (en) | Ground check valve of pumping well | |
| CN202266256U (en) | Test tube drain device | |
| CN206071973U (en) | Paratrooper brake system | |
| CN201730553U (en) | Expansion pipe column for petroleum drill | |
| CN201321840Y (en) | Constant pressure valve used for oil field well completion | |
| CN205716069U (en) | A kind of FRP compound pipeline complex pipeline | |
| CN103807488B (en) | A kind of utilize in line of pipes pressure as the line of pipes valve actuator of power | |
| CN103452821A (en) | Blowout prevention oil-well pump | |
| CN204327458U (en) | Two fixing antiscale card long plunger type sand-control oil well pump | |
| CN203023016U (en) | Three-house oil well pump | |
| CN203114214U (en) | Washable device | |
| CN203716861U (en) | Novel whole pipeline |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20120627 Termination date: 20161025 |