CN205605172U - Switching device that cover outside of tubes packing sand control used - Google Patents
Switching device that cover outside of tubes packing sand control used Download PDFInfo
- Publication number
- CN205605172U CN205605172U CN201620331878.8U CN201620331878U CN205605172U CN 205605172 U CN205605172 U CN 205605172U CN 201620331878 U CN201620331878 U CN 201620331878U CN 205605172 U CN205605172 U CN 205605172U
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- sliding sleeve
- outer tube
- groove
- sleeve
- communication groove
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Abstract
The utility model provides a switching device that cover outside of tubes packing sand control used, attend the UNICOM groove on the sliding sleeve, install sealing device in the upper portion of sliding sleeve, sealing device under the installation in the lower part of sliding sleeve, the sub -unit connection elastically positioned cover of sliding sleeve, the upper seal circle, well sealing washer, the lower seal circle is installed and is sheathe in at elastically positioned, the upper seal circle is in to be attend on the UNICOM groove, well sealing washer is in to be attend under the UNICOM groove, elastically positioned sheathes in to open there is logical groove, the downthehole bell that is equipped with in upper end of elastically positioned cover, the inside circular bead of elastically positioned cover is bell down, elastically positioned puts in to open has the outer wall of logical groove section to have outer toper circular bead, it has lower UNICOM groove to open on the outer tube, the outer toper circular bead put in of elastically positioned be positioned the inside circular bead of outer tube on, well sealing washer is in lower UNICOM groove on, lower seal circle is in lower UNICOM groove under, attend on the UNICOM groove is in down the UNICOM groove, the sub -unit connection lower clutch of top connection, outer tube is connected on the upper portion of outer tube.
Description
Technical field
This utility model be oil field shake out well casing outer filling sand prevention completion time equipment used, be the switching device of the outer filling anti-sand of a kind of sleeve pipe.
Background technology
The sand output well in oil field is when being drilled well and carrying out completion construction, sand control is write in the outer filling of sleeve pipe to be carried out, every mouthful of well will carry out multiple-zone production oil, owing to the pressure of every layer is different with formation properties, need to carry out slicing and filling sand control, this sand-preventing process needs to open or close step by step the switching device of corresponding anti-layer of sand, could realize selective sand control.Current is that UNICOM is suppressed in pitching step by step by the way of sand control pipe Yu stratum UNICOM, this way operation is many, construction complexity, engineering time is long, used tool is shoulder shape, and internal diameter reduces the most step by step, after bringing under the kit that enters also to reduce step by step, Development and Production from now on is caused a lot of difficulty, oil well production can be affected.
Summary of the invention
The purpose of this utility model is to provide the switching device of the outer filling anti-sand of a kind of sleeve pipe, the problem overcoming above-mentioned existence, reduces working procedure, reduces the engineering time.
nullThe purpose of this utility model is achieved in that and includes top connection、Upper sealing device、Sliding sleeve、Upper sealing ring、Middle sealing ring、Lower seal、Lower sealing device、Elastic locating sleeve、Outer tube、Lower contact，Upper communication groove is had on sliding sleeve，Sealing device is installed in the top of sliding sleeve，Lower sealing device is installed in the bottom of sliding sleeve，The bottom of sliding sleeve connects elastic locating sleeve，Upper sealing ring、Middle sealing ring、Lower seal is arranged on flexibly positioned putting，Upper sealing ring is on communication groove，Middle sealing ring is under communication groove，Flexibly positioned putting has groove，Upper conical mouth it is provided with in the upper end hole of elastic locating sleeve，The inner circular bead of elastic locating sleeve is inferior pyramidal mouth，Flexibly positioned putting has the outer wall of groove section and has male-tapered shoulder，Lower communication groove is had on outer tube，Upper sealing device、Sliding sleeve、Lower sealing device、Elastic locating sleeve loads in outer tube after being assembled integrally，The described flexibly positioned male-tapered shoulder put is positioned in the inner circular bead of outer tube，Middle sealing ring is on described lower communication groove，Lower seal is under described lower communication groove，Upper communication groove is on lower communication groove，The top of outer tube connects top connection，The bottom of outer tube connects lower contact.
Having vertical slot on sliding sleeve, described vertical slot is between middle sealing ring and lower seal, loads anti-rotation pin from outer tube, and in the vertical slot described in the insertion of inner end of anti-rotation pin, making sliding sleeve to move up and down can not rotate.
The beneficial effects of the utility model are: can enter multistage this utility model in every mouthful of well below, by designing suitable opening and closing instrument, every one-level this utility model can be opened and closed, after selective sand control, down-hole latus rectum is identical, brings convenience for bringing in from now on, it is possible to reduce working procedure, reduce the engineering time, there is significant economic benefit.
Accompanying drawing explanation
Fig. 1 is Standard figure of the present utility model.
Fig. 2 is the shape graph of part 12 in Fig. 1.
Detailed description of the invention
Below in conjunction with Fig. 1,2 embodiment of the present utility model is illustrated.
nullShown in as seen from the figure，Embodiment of the present utility model includes top connection 1、Upper sealing device 2、Sliding sleeve 3、Upper sealing ring 4、Middle sealing ring 6、Anti-rotation pin 9、Lower seal 10、Lower sealing device 11、Elastic locating sleeve 12、Outer tube 13、Lower contact 14，Upper communication groove 5 is had on sliding sleeve 3，Sealing device 2 is installed in the top of sliding sleeve 3，Lower sealing device 11 is installed in the bottom of sliding sleeve 3，The bottom of sliding sleeve 3 connects elastic locating sleeve 12，Upper sealing ring 4、Middle sealing ring 6、Lower seal 10 is arranged on elastic locating sleeve 12，Upper sealing ring 4 is on communication groove 5，Middle sealing ring 6 is under communication groove 5，Groove 17 is had on elastic locating sleeve 12，Upper conical mouth 15 it is provided with in the upper end hole of elastic locating sleeve 12，The inner circular bead of elastic locating sleeve 12 is inferior pyramidal mouth 16，There is male-tapered shoulder 18 at the middle part of the outer wall having groove 17 sections on elastic locating sleeve 12，Lower communication groove 7 is had on outer tube 13，Upper sealing device 2、Sliding sleeve 3、Lower sealing device 11、Elastic locating sleeve 12 loads in outer tube 13 after being assembled integrally，The described male-tapered shoulder 18 on elastic locating sleeve 12 is positioned in the inner circular bead of outer tube 13，Middle sealing ring 6 is on described lower communication groove 7，Lower seal 10 is under described lower communication groove 7，Upper communication groove 5 is on lower communication groove 7，Upper communication groove 5、Lower communication groove 7 is by upper sealing ring 4、Middle sealing ring 6、Lower seal 10 is closed，Filling anti-sand can not be carried out，The top of outer tube 13 connects top connection 1，The bottom of outer tube 13 connects lower contact 14.
Vertical slot 8 is had on sliding sleeve 3, described vertical slot 8 is between middle sealing ring 6 and lower seal 10, anti-rotation pin 9 is loaded from outer tube 13, in the vertical slot 8 described in the insertion of inner end of anti-rotation pin 9, make sliding sleeve 3 to move up and down can not rotate, ensure when making sliding sleeve 3 descending that upper communication groove 5 is alignd with lower communication groove 7, it is simple to both UNICOMs.
Needing sand control to enter opening and closing instrument at present and be seated on upper conical mouth 15 pressurization, sliding sleeve 3 has groove 17 sections and starts undergauge at middle part male-tapered shoulder 18, and sliding sleeve 3 is descending, and upper communication groove 5 is alignd with lower communication groove 7 UNICOM, can carry out filling and write sand control.Sand control terminates rear opening and closing instrument and hooks sliding sleeve 3 at inferior pyramidal mouth 16 and pull up, and lower communication groove 7 is closed again, and sand control is write in the filling completing this layer, next layer can be carried out sand control.
Claims (2)
- null1. the switching device of the outer filling anti-sand of sleeve pipe，Including top connection (1)、Upper sealing device (2)、Sliding sleeve (3)、Upper sealing ring (4)、Middle sealing ring (6)、Lower seal (10)、Lower sealing device (11)、Elastic locating sleeve (12)、Outer tube (13)、Lower contact (14)，It is characterized in that: on sliding sleeve (3), have upper communication groove (5)，Sealing device (2) is installed in the top of sliding sleeve (3)，Lower sealing device (11) is installed in the bottom of sliding sleeve (3)，The bottom of sliding sleeve (3) connects elastic locating sleeve (12)，Upper sealing ring (4)、Middle sealing ring (6)、Lower seal (10) is arranged on elastic locating sleeve (12)，Upper sealing ring (4) is on communication groove (5)，Middle sealing ring (6) is under communication groove (5)，Groove (17) is had on elastic locating sleeve (12)，Upper conical mouth (15) it is provided with in the upper end hole of elastic locating sleeve (12)，The inner circular bead of elastic locating sleeve (12) is inferior pyramidal mouth (16)，The outer wall having groove (17) section on elastic locating sleeve (12) has male-tapered shoulder (18)，Lower communication groove (7) is had on outer tube (13)，Upper sealing device (2)、Sliding sleeve (3)、Lower sealing device (11)、Elastic locating sleeve (12) loads in outer tube (13) after being assembled integrally，The described male-tapered shoulder (18) on elastic locating sleeve (12) is positioned in the inner circular bead of outer tube (13)，Middle sealing ring (6) is on described lower communication groove (7)，Lower seal (10) is under described lower communication groove (7)，Upper communication groove (5) is on lower communication groove (7)，The top of outer tube (13) connects top connection (1)，The bottom of outer tube (13) connects lower contact (14).
- The switching device of the outer filling anti-sand of a kind of sleeve pipe the most according to claim 1, it is characterized in that: on sliding sleeve (3), have vertical slot (8), described vertical slot (8) is between middle sealing ring (6) and lower seal (10), anti-rotation pin (9) is loaded from outer tube (13), the vertical slot (8) described in the insertion of inner end of anti-rotation pin (9) is inner, makes sliding sleeve (3) can only move up and down and can not rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620331878.8U CN205605172U (en) | 2016-04-20 | 2016-04-20 | Switching device that cover outside of tubes packing sand control used |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620331878.8U CN205605172U (en) | 2016-04-20 | 2016-04-20 | Switching device that cover outside of tubes packing sand control used |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205605172U true CN205605172U (en) | 2016-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620331878.8U Active CN205605172U (en) | 2016-04-20 | 2016-04-20 | Switching device that cover outside of tubes packing sand control used |
Country Status (1)
| Country | Link |
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| CN (1) | CN205605172U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781489A (en) * | 2016-04-20 | 2016-07-20 | 东营百华石油技术开发有限公司 | Switch device for preventing sand during filling outside sleeve |
-
2016
- 2016-04-20 CN CN201620331878.8U patent/CN205605172U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105781489A (en) * | 2016-04-20 | 2016-07-20 | 东营百华石油技术开发有限公司 | Switch device for preventing sand during filling outside sleeve |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |