CN2688888Y - Squeezing filled sand preventing column without casing pressure - Google Patents
Squeezing filled sand preventing column without casing pressure Download PDFInfo
- Publication number
- CN2688888Y CN2688888Y CN 200420039446 CN200420039446U CN2688888Y CN 2688888 Y CN2688888 Y CN 2688888Y CN 200420039446 CN200420039446 CN 200420039446 CN 200420039446 U CN200420039446 U CN 200420039446U CN 2688888 Y CN2688888 Y CN 2688888Y
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- China
- Prior art keywords
- filling
- tube
- suspension
- casing pressure
- deblocking
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Abstract
The utility model discloses a squeezing filled sand preventing column without casing pressure, comprising a winding sieve tube, a signaling device, a lose-hand device, a suspension isolation device, a later-treatment device, a liquid cylinder locking device, a filling sealing device, a squeezing transition assembly, and a sand holding leather bowl. The later-treatment device comprises a removing seal outer tube, a removing seal pin, a removing seal inner tube, an upper cone and a removing seal paw, and the later-treatment device is connected with the suspension isolation device. The suspension and isolation device comprises an upper center pipe, a slip, a lower cone, a barrier cap, and a rubber tube, and the suspension and isolation device is connected with the liquid cylinder locking device. The liquid cylinder locking device comprises a lower center pipe, a pressing cap, a locking ring, a piston and a liquid cylinder. The lose-hand device comprises a suspension joint, a filling inner tube, a suspension block, a lose-hand cylinder sleeve and a lose-hand pin, and the lose-hand device is supported by the suspension isolation device. The lower part of the lose-hand device is provided with the filling sealing device and the squeezing transition assembly. The utility model has simple structure, the construction is safe and convenient, the labor is saved, the time is saved, and the cost is saved, the utility model is suitable for the squeezing filling sand-proof process.
Description
One, technical field
The utility model relates to the oil exploitation tubing string, particularly a kind of no casing pressure squeeze pack sand control pipe.
Two, background technology
There is a kind of sand control pack tubing string at the oil development scene, is made of rotation back-off releasing device, cup packing device, device for filling, wire-wrapped screen and washing pipe, uses more widely.But its also exists simultaneously: 1. can only first filling construction, after the disadvantage of giving up because the obstruction of mortar during construction causes the difficulty of giving up, sometimes even do not lose hand, cause the sand control treatment failure; When 2. pushing, the easy damaged sleeve pipe; When 3. constructing, a technology must just can be finished by following three times tubing strings, and working procedure is loaded down with trivial details, and the cycle is long, shortcoming or deficiencies such as operating cost height.
Three, summary of the invention
The technical problems to be solved in the utility model provides a kind of improved no casing pressure squeeze pack sand control pipe, during operation, gives up earlier, and the back construction, sleeve pipe is pressurized not, the shortcoming or the deficiency that overcome effectively or avoid existing in the above-mentioned prior art.
No casing pressure squeeze pack sand control pipe described in the utility model comprises wire-wrapped screen and signalling means, releasing device, suspension packing device, after-treatment device, fluid cylinder locking device, filling and sealing device, squeezes red switch and change assembly and holder rubber bowl; Described after-treatment device comprises interior pipe of deblocking that the deblocking outer tube bore is installed, and pipe is gone up the upper cone and the deblocking bundle pawl that is stuck in the deblocking outer tube inner groove of connection in this deblocking; Described suspension packing device is connected on the described after-treatment device, comprise be connected on the deblocking bundle pawl, interconnective upper center tube and lower center tube and on upper cone, slips tube, slips, lower cone, retaining cap and the packing element installed successively; Described fluid cylinder locking device is connected with the suspension packing device, comprises pressure cap, retaining ring, piston, the fluid cylinder installed outside described lower center tube; Described releasing device links to each other with after-treatment device, comprises suspension joint and connects pipe in the filling on it, installs the hanging block on it and the cylinder sleeve of giving up; Described filling and sealing device is connected on the releasing device, comprise that an end links to each other with suspension joint, manage the washing pipe that links to each other with the filling outer tube, the outer filling pipe, adapter sleeve, lower contact and the sealing sleeve that link to each other successively with lower center tube in the other end and the filling that the filling outer tube links to each other; Described crowded red switch is changed assembly and is connected on the filling and sealing device, comprises washing pipe that is connected on the filling outer tube and sliding sleeve and the elastic bunch pawl that links to each other with washing pipe; Described filling and sealing device bottom connects wire-wrapped screen and signalling means.Sealing sleeve is fixed on the adapter sleeve by alignment pin, and lower contact one end connects adapter sleeve, and the other end connects the center screen casing.Outer filling pipe is provided with outer filling mouth.
Wherein, in the middle part of the described slips tube be the rib strip shaped structure that has boss.
Wherein, described slips center is provided with the groove of pit radially, and this groove matches with the boss rib of slips tube.
Wherein, described lower center tube is provided with outer gingival cyst of mucous gland in the newborn button, and retaining ring is provided with interior gingival cyst of mucous gland in the newborn button, and both cooperatively interact.
Wherein, circumferentially be distributed with window on the described suspension joint, install hanging block in this window.
Wherein, pipe and filling outer tube link into an integrated entity in the described filling, have inwardly filling mouth of axial overcurrent double wall chamber and footpath on it.
Wherein, the bottom of described filling outer tube is provided with outer sawtooth, and the upper end of sealing sleeve is provided with sawtooth, and this two sawtooth matches.
Wherein, the described cylinder sleeve of giving up which is provided with the inside and outside seal groove that seal is installed by giving up dowel fixes on suspension joint.
The utility model compared with prior art has following advantage:
1, when construction sleeve pipe pressurized has not been avoided the impaired problem of sleeve pipe;
2, owing to the utlity model has the filling and sealing device, can seal the filling mouth automatically after the construction, avoid leakage sand hidden danger, not exist card to block up the releasing device problem;
3, because the utility model adopts and to give up earlier, back constructing structure has been avoided releasing device give up difficulty even the shortcoming of not losing hand effectively;
4, the utility model easy construction, one-trip string can be finished prior art and beat the operation that bridging plug, filling and three times tubing strings of following lead sealing are just finished, and have improved efficiency of construction, have shortened duty cycle, have reduced operating cost;
5, avoid and prevented the pollution of working fluid to oil reservoir.
Four, description of drawings
Fig. 1 is the utility model structural representation;
Fig. 2 is a local structure for amplifying schematic diagram shown in Figure 1;
Fig. 3 is an A-A sectional structure schematic diagram shown in Figure 2;
Fig. 4 is that the B of Fig. 2 is to the deployed configuration schematic diagram;
Fig. 5 is a local structure for amplifying schematic diagram shown in Figure 1;
Fig. 6 is that C shown in Figure 1 is to structural representation.
Five, the specific embodiment
Referring to Fig. 1-Fig. 6, a kind of no casing pressure squeeze pack sand control pipe, comprise wire-wrapped screen and signalling means, releasing device, suspension packing device, after-treatment device, fluid cylinder locking device, filling and sealing device, squeeze red switch and change assembly and holder rubber bowl, after-treatment device comprises in the deblocking that deblocking outer tube 2 inner chambers are fixedly installed by deblocking pin 4 manages 3, the upper cone 9 that connects on the pipe 3 in this deblocking and be stuck in deblocking bundle pawl 5 in the deblocking outer tube inner groove; Hang packing device and be connected on the described after-treatment device, comprise be connected on the deblocking bundle pawl 5, interconnective upper center tube 12 and lower center tube 15 and on install successively upper cone 9, slips tube 10, slips 11, be fixed on lower cone 13, retaining cap 16 and packing element 17 on the upper center tube 12 by fixing pin 14; The fluid cylinder locking device is connected with the suspension packing device, comprises pressure cap 19, retaining ring 20, piston 21, the fluid cylinder 22 installed outside described lower center tube; Releasing device links to each other with after-treatment device, comprises suspension joint 1 and connects pipe 18 in the filling on it, and install the hanging block 7 on it and the cylinder sleeve 6 of giving up, this cylinder sleeve 6 of giving up is fixed on the suspension joint 1 by the pin 8 of giving up; The filling and sealing device is connected on the releasing device, comprise that an end links to each other with suspension joint 1, manage 18 in the other end and the filling that filling outer tube 25 links to each other, the washing pipe 27 that links to each other with the filling outer tube, the outer filling pipe 28, adapter sleeve 30, lower contact 32 and the sealing sleeve 29 that link to each other successively with lower center tube 15; Crowded red switch is changed assembly and is connected on the filling and sealing device, comprises washing pipe 27 that is connected on the filling outer tube and sliding sleeve 39 and the elastic bunch pawl 40 that links to each other with washing pipe; Filling and sealing device bottom connects wire-wrapped screen 38 and signalling means 33,34,35,36 and 37.Sealing sleeve 29 is fixed on the adapter sleeve 30 by alignment pin 31, and lower contact 32 1 ends connect adapter sleeve, and the other end connects center screen casing 33.Outer filling pipe is provided with outer filling mouth 26.Wire-wrapped screen 38 lower ends connect holder rubber bowl 41,42 and 43.
Claims (9)
1, a kind of no casing pressure squeeze pack sand control pipe, comprise wire-wrapped screen and signalling means, releasing device, hang packing device, after-treatment device, the fluid cylinder locking device, the filling and sealing device, assembly and holder rubber bowl are changed in crowded red switch, it is characterized in that described after-treatment device comprises the interior pipe of deblocking that the deblocking outer tube bore is installed, pipe is gone up upper cone that connects and the deblocking bundle pawl that is stuck in the deblocking outer tube inner groove in this deblocking, described suspension packing device is connected on the described after-treatment device, comprise and being connected on the deblocking bundle pawl, interconnective upper center tube and lower center tube and on the upper cone installed successively, the slips tube, slips, lower cone, retaining cap and packing element, described fluid cylinder locking device is connected with the suspension packing device, comprise the pressure cap of installing outside described lower center tube, retaining ring, piston, fluid cylinder, described releasing device links to each other with after-treatment device, comprise suspension joint and connect pipe in the filling on it, install the hanging block on it and the cylinder sleeve of giving up, described filling and sealing device is connected on the releasing device, comprise that an end links to each other with suspension joint, manage in the other end and the filling that the filling outer tube links to each other, the washing pipe that links to each other with the filling outer tube, the outer filling pipe that links to each other successively with lower center tube, adapter sleeve, lower contact and sealing sleeve, described crowded red switch is changed assembly and is connected on the filling and sealing device, comprise washing pipe that is connected on the filling outer tube and sliding sleeve and the elastic bunch pawl that links to each other with washing pipe, described filling and sealing device bottom connects wire-wrapped screen and signalling means.
2, no casing pressure squeeze pack sand control pipe according to claim 1 is characterized in that described deblocking outer tube is provided with inner groove, and the pawl head of described bundle pawl is stuck in this inner groove, is supported mutually by pipe in the deblocking.
3, no casing pressure squeeze pack sand control pipe according to claim 1 is characterized in that described slips tube middle part is for having the rib strip shaped structure of boss.
4, no casing pressure squeeze pack sand control pipe according to claim 3 is characterized in that described slips center is provided with the groove of pit radially, and this groove matches with the boss rib of slips tube.
5, no casing pressure squeeze pack sand control pipe according to claim 1 is characterized in that described lower center tube is provided with outer gingival cyst of mucous gland in the newborn button, and retaining ring is provided with interior gingival cyst of mucous gland in the newborn button, and both cooperatively interact.
6, no casing pressure squeeze pack sand control pipe according to claim 1 is characterized in that circumferentially being distributed with window on the described suspension joint, installs hanging block in this window.
7, no casing pressure squeeze pack sand control pipe according to claim 1 is characterized in that managing in the described filling and the filling outer tube links into an integrated entity, and has inwardly filling mouth of axial overcurrent double wall chamber and footpath on it.
8, no casing pressure squeeze pack sand control pipe according to claim 1 is characterized in that the bottom of described filling outer tube is provided with outer sawtooth, and the upper end of sealing sleeve is provided with sawtooth, and this two sawtooth matches.
9, no casing pressure squeeze pack sand control pipe according to claim 1 is characterized in that the described cylinder sleeve of giving up by giving up dowel fixes on suspension joint, which is provided with the inside and outside seal groove that seal is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420039446 CN2688888Y (en) | 2004-03-23 | 2004-03-23 | Squeezing filled sand preventing column without casing pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420039446 CN2688888Y (en) | 2004-03-23 | 2004-03-23 | Squeezing filled sand preventing column without casing pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2688888Y true CN2688888Y (en) | 2005-03-30 |
Family
ID=34671244
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420039446 Expired - Fee Related CN2688888Y (en) | 2004-03-23 | 2004-03-23 | Squeezing filled sand preventing column without casing pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2688888Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094596A (en) * | 2010-12-30 | 2011-06-15 | 中国海洋石油总公司 | Locking device for downhole sliding sleeve of intelligent well and operation method thereof |
| CN105626000A (en) * | 2014-10-29 | 2016-06-01 | 中国石油化工股份有限公司 | Gravel pack sand prevention pipe column installed when wellhole is flushed, for horizontal well |
| CN107816336A (en) * | 2016-09-13 | 2018-03-20 | 中国石油化工股份有限公司 | Thermal production well filling anti-sand instrument |
| CN109339862A (en) * | 2017-10-16 | 2019-02-15 | 高瑞民 | A kind of monoblock type slicing and filling device |
| CN110107251A (en) * | 2019-04-30 | 2019-08-09 | 中国海洋石油集团有限公司 | A kind of frac-pack crossover tool |
| CN110735619A (en) * | 2018-07-19 | 2020-01-31 | 中国石油化工股份有限公司 | Independent -layer extrusion filling pipe column in multiple oil layers |
| CN112943138A (en) * | 2019-12-11 | 2021-06-11 | 中国石油天然气股份有限公司 | Sand supporting device |
-
2004
- 2004-03-23 CN CN 200420039446 patent/CN2688888Y/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102094596A (en) * | 2010-12-30 | 2011-06-15 | 中国海洋石油总公司 | Locking device for downhole sliding sleeve of intelligent well and operation method thereof |
| CN105626000A (en) * | 2014-10-29 | 2016-06-01 | 中国石油化工股份有限公司 | Gravel pack sand prevention pipe column installed when wellhole is flushed, for horizontal well |
| CN105626000B (en) * | 2014-10-29 | 2018-06-15 | 中国石油化工股份有限公司 | Horizontal well washes down gravel filling sand prevention tubing string |
| CN107816336A (en) * | 2016-09-13 | 2018-03-20 | 中国石油化工股份有限公司 | Thermal production well filling anti-sand instrument |
| CN109339862A (en) * | 2017-10-16 | 2019-02-15 | 高瑞民 | A kind of monoblock type slicing and filling device |
| CN110735619A (en) * | 2018-07-19 | 2020-01-31 | 中国石油化工股份有限公司 | Independent -layer extrusion filling pipe column in multiple oil layers |
| CN110735619B (en) * | 2018-07-19 | 2021-08-10 | 中国石油化工股份有限公司 | Single-layer extrusion filling pipe column in multiple oil layers |
| CN110107251A (en) * | 2019-04-30 | 2019-08-09 | 中国海洋石油集团有限公司 | A kind of frac-pack crossover tool |
| CN110107251B (en) * | 2019-04-30 | 2021-07-09 | 中国海洋石油集团有限公司 | Fracturing filling conversion tool |
| CN112943138A (en) * | 2019-12-11 | 2021-06-11 | 中国石油天然气股份有限公司 | Sand supporting device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |