CN204327052U - Negative-pressure liquid discharge device - Google Patents
Negative-pressure liquid discharge device Download PDFInfo
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- CN204327052U CN204327052U CN201420670137.3U CN201420670137U CN204327052U CN 204327052 U CN204327052 U CN 204327052U CN 201420670137 U CN201420670137 U CN 201420670137U CN 204327052 U CN204327052 U CN 204327052U
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- urceolus
- joint
- lower contact
- leather cup
- top connection
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Abstract
Negative-pressure liquid discharge device, comprise core assembly and outer barrel assembly two parts, outer barrel assembly is in outside core assembly, catch joint, power sub, adjusting nut, filtration urceolus, mixed liquid urceolus, negative pressure lower contact, crossover sub, manometer totally eight parts, successively with being threaded, form the external frame of core assembly.Top connection, two male joint, two female joint, coordinate pipe nipple, circulation urceolus, variable buckle joint, righting top connection, circulation axle, lower contact) be threaded with self sealss successively, inner sliding sleeve is contained in circulation urceolus (32) inner chamber in advance and locates with cutting off (30), the outer barrel assembly of drain pump is big orifice instrument, can with other instrument by under oil pipe to down-hole, do not affect the handling of other instrument, rotate, voltage-controlled operation construction, the utility model can separately for Oil/gas Well discharge opeing, also can with test perforation tubular column, acid fracturing tubing string with the use of, realize Ce She Volleyball Association to do and acid fracturing Volleyball Association work.
Description
Technical field:
The utility model relates to a kind of Oil/gas Well discharge opeing special tool, particularly relates to a kind of negative-pressure liquid discharge device, can separately for Oil/gas Well discharge opeing, also can with test perforation tubular column, acid fracturing tubing string with the use of, realize Ce She Volleyball Association and do and acid fracturing Volleyball Association work.。
Background technology:
In Oil/gas Well exploration and development process, discharge opeing is asked and produced is a kind of important conventional measure, current domestic each oil field is all adopt pumping discharge opeing or gas lift liquid drainage technique substantially, but these two kinds of modes all exist shortcomings such as discharge opeing is slow, efficiency is low, repeatedly play lower tubular column, constructing operation is complicated.
Utility model content:
For above-mentioned the deficiencies in the prior art, the utility model provides a kind of negative-pressure liquid discharge device.
For achieving the above object, the technical solution adopted in the utility model is: negative-pressure liquid discharge device, comprise core assembly and outer barrel assembly two parts, outer barrel assembly is in outside core assembly, core assembly comprises: catch joint (1), needle-valve (2), power sub (3), adjusting nut (4), backwash leather cup (5), filter sieve tube (6), internal lining pipe (7), upper wiper block (8), centering ring (9), lower centering ring (10), filter urceolus (11), screen casing pressure cap (12), nozzle (13), mixed liquid urceolus (14), mixing tube (16), negative pressure lower contact (17), crossover sub (18) and manometer (19).Wherein catch joint (1), power sub (3), adjusting nut (4), filter urceolus (11), mix liquid urceolus (14), negative pressure lower contact (17), crossover sub (18), manometer (19) totally eight parts, successively with being threaded, form the external frame of core assembly.Needle-valve (2) is placed on and catches joint (1) and power sub (3) inner chamber, backwash leather cup (5) is conditioned the spacing top filtering urceolus (11) of nut (4), filter sieve tube (6) and screen casing pressure cap (12) are contained in the inner chamber filtering urceolus (11), by internal lining pipe (7), upper wiper block (8), centering ring (9), the erection device that lower centering ring (10) forms is filtered the step restriction of urceolus (11) on its inner diameter, nozzle (13) and mixing tube (16) are contained in the inner chamber of mixed liquid urceolus (14).
Outer barrel assembly mainly comprises: righting top connection (20), circulation axle (21), leather cup assembly (22), leather cup adjustable ring (23), righting lower contact (24), lower contact (25), top connection (26), two male joint (27), two female joint (28), coordinate pipe nipple (29), cut off (30), inner sliding sleeve (31), circulation urceolus (32) and variable buckle joint (33).Wherein top connection (26), two male joint (27), two female joint (28), coordinate pipe nipple (29), circulation urceolus (32), variable buckle joint (33), righting top connection (20), circulation axle (21), lower contact (25) is threaded with self sealss successively, inner sliding sleeve (31) is contained in circulation urceolus (32) inner chamber in advance and locates with cutting off (30), leather cup assembly (22), leather cup adjustable ring (23), righting lower contact (24) is contained between righting top connection (20) and lower contact (25) in advance, leather cup assembly (22) and righting top connection (20) spacing is adjusted by leather cup adjustable ring (23).
The outer barrel assembly of drain pump is big orifice instrument, can with other instrument by under oil pipe to down-hole, do not affect the handling of other instrument, rotation, voltage-controlled operation construction, input drain pump core assembly after completing Deng other technique, tubing string need not be changed, pressurization in direct oil pipe, down-hole produces corresponding negative pressure and realizes discharge opeing.The utility model can separately for Oil/gas Well discharge opeing, also can with test perforation tubular column, acid fracturing tubing string with the use of, realize Ce She Volleyball Association and do and acid fracturing Volleyball Association work.
This product has following features:
1, easy construction: utilize negative-pressure liquid discharge device to realize one trip, complete the techniques such as acidifying, pressure break, anti-flushing well, negative-pressure liquid discharge, formation pressure monitoring, reduced lower tubular column number of times, shortens the engineering time, reduces operating expenses.
2, efficiency height lifting rate is large: can realize backwash discharge opeing construction within the shortest time, avoid secondary precipitation, effectively prevent sand card, and make acid fracturing effect reach better.
3, discharge opeing is thorough: the strong pumping capacity utilizing negative-pressure liquid discharge device, and stratum liquid can be made thoroughly to be cleared up.
4 strong adaptabilities: for high temperature well, high-yield well, containing sand drain, have stronger compliance containing various complex hole condition such as corrosive medium well, heavy oil wells.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention:
Below in conjunction with the accompanying drawing in the utility model embodiment, to the technical scheme in the utility model embodiment carry out clear, intactly describe, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 1: negative-pressure liquid discharge device, comprise core assembly and outer barrel assembly two parts, outer barrel assembly is in outside core assembly, and core assembly comprises: catch joint 1, needle-valve 2, power sub 3, adjusting nut 4, backwash leather cup 5, filter sieve tube 6, internal lining pipe 7, upper wiper block 8, centering ring 9, lower centering ring 10, filter urceolus 11, screen casing pressure cap 12, nozzle 13, mixed liquid urceolus 14, mixing tube 16, negative pressure lower contact 17, crossover sub 18 and manometer 19.Wherein catch joint 1, power connect (3, adjusting nut 4, filter urceolus 11, mixed liquid urceolus 14, negative pressure lower contact 17, crossover sub 18, manometer 19 totally eight parts, successively with being threaded, form the external frame of core assembly.Needle-valve 2 is placed on and catches joint 1 and power sub 3 inner chamber, backwash leather cup 5 is conditioned the spacing top filtering urceolus 11 of nut 4, filter sieve tube 6 and screen casing pressure cap 12 are contained in the inner chamber filtering urceolus 11, the erection device be made up of internal lining pipe 7, upper wiper block 8, centering ring 9, lower centering ring 10 is filtered the step restriction of urceolus 11 on its inner diameter, and nozzle 13 and mixing tube 16 are contained in the inner chamber of mixed liquid urceolus 14.
Outer barrel assembly mainly comprises: righting top connection 20, circulation axle 21, leather cup assembly 22, leather cup adjustable ring 23, righting lower contact 24, lower contact 25, top connection 26, two male joint 27, two female joint 28, coordinate pipe nipple 29, cut off 30, inner sliding sleeve 31, circulation urceolus 32 and variable buckle joint 33.Wherein top connection 26, two male joint 27, two female joint 28, cooperation pipe nipple 29, circulation urceolus 32, variable buckle joint 33, righting top connection 20, circulation axle 21, lower contact 25 are threaded with self sealss successively, inner sliding sleeve 31 is contained in circulation urceolus 32 inner chamber with cutting off 30 location in advance, leather cup assembly 22, leather cup adjustable ring 23, righting lower contact 24 are contained between righting top connection 20 and lower contact 25 in advance, adjust leather cup assembly 22 whole with righting top connection 20 spacing by leather cup adjustable ring 23.
Operating principle: negative-pressure liquid discharge device to utilize between two kinds of liquid (power fluid and borehole fluid) transferring energy to realize the downhole hardware of swabbing action.Be combined with high-pressure ground pump, by hydraulic pressure transfer energy, the down-hole drainage system of composition complete set.When the high voltage power liquid from ground, after filter sieve tube (6) filters, when flowing through nozzle (13), its potential energy (pressure energy) just converts the kinetic energy of high velocity jet to.In the position of nozzle (13) head, borehole fluid is looped around around power fluid injection stream.Nozzle is positioned at the entrance of the top trunnion of mixing tube (16), borehole fluid is at injection stream ambient dynamic and the negative pressure inspiration trunnion formed around injected stream, power fluid mixes with borehole fluid and momentum is passed to borehole fluid in trunnion, and kinetic energy is wherein increased.At the bottom anemostat port of export of mixing tube (16), two kinds of fluids fully mix, and remain very high flow velocity and very large kinetic energy, fluid-mixing enters the anemostat that cross section increases gradually, flow velocity reduces gradually, convert remaining kinetic energy to static pressure, this pressure is enough to make mixing material flow to ground from down-hole.
Claims (1)
1. negative-pressure liquid discharge device, is characterized in that: comprise core assembly and outer barrel assembly two parts, outer barrel assembly is in outside core assembly, and core assembly comprises: catch joint (1), needle-valve (2), power sub (3), adjusting nut (4), backwash leather cup (5), filter sieve tube (6), internal lining pipe (7), upper wiper block (8), centering ring (9), lower centering ring (10), filter urceolus (11), screen casing pressure cap (12), nozzle (13), mixed liquid urceolus (14), mixing tube (16), negative pressure lower contact (17), crossover sub (18) and manometer (19), wherein catch joint (1), power sub (3), adjusting nut (4), filter urceolus (11), mixed liquid urceolus (14), negative pressure lower contact (17), crossover sub (18), manometer (19) is totally eight parts, successively with being threaded, form the external frame of core assembly, needle-valve (2) is placed on and catches joint (1) and power sub (3) inner chamber, backwash leather cup (5) is conditioned the spacing top filtering urceolus (11) of nut (4), filter sieve tube (6) and screen casing pressure cap (12) are contained in the inner chamber filtering urceolus (11), by internal lining pipe (7), upper wiper block (8), centering ring (9), the erection device that lower centering ring (10) forms is filtered the step restriction of urceolus (11) on its inner diameter, and nozzle (13) and mixing tube (16) are contained in the inner chamber of mixed liquid urceolus (14), outer barrel assembly mainly comprises: righting top connection (20), circulation axle (21), leather cup assembly (22), leather cup adjustable ring (23), righting lower contact (24), lower contact (25), top connection (26), two male joint (27), two female joint (28), coordinate pipe nipple (29), cut off (30), inner sliding sleeve (31), circulation urceolus (32) and variable buckle joint (33), wherein top connection (26), two male joint (27), two female joint (28), coordinate pipe nipple (29), circulation urceolus (32), variable buckle joint (33), righting top connection (20), circulation axle (21), lower contact (25) is threaded with self sealss successively, and inner sliding sleeve (31) is contained in circulation urceolus (32) inner chamber in advance and locates with cutting off (30), leather cup assembly (22), leather cup adjustable ring (23), righting lower contact (24) is contained between righting top connection (20) and lower contact (25) in advance, adjusts leather cup assembly (22) and righting top connection (20) spacing by leather cup adjustable ring (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420670137.3U CN204327052U (en) | 2014-11-11 | 2014-11-11 | Negative-pressure liquid discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420670137.3U CN204327052U (en) | 2014-11-11 | 2014-11-11 | Negative-pressure liquid discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204327052U true CN204327052U (en) | 2015-05-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420670137.3U Expired - Fee Related CN204327052U (en) | 2014-11-11 | 2014-11-11 | Negative-pressure liquid discharge device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204327052U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927188A (en) * | 2016-07-01 | 2016-09-07 | 牡丹江金宇石油配件有限公司 | Pneumatic liquid discharge device |
-
2014
- 2014-11-11 CN CN201420670137.3U patent/CN204327052U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105927188A (en) * | 2016-07-01 | 2016-09-07 | 牡丹江金宇石油配件有限公司 | Pneumatic liquid discharge device |
| CN105927188B (en) * | 2016-07-01 | 2018-05-08 | 牡丹江金宇石油配件有限公司 | Pneumatic drain pump |
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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 |
Granted publication date: 20150513 Termination date: 20151111 |