CN1056434C - Eccentric water-nozzle oil-nozzle water distributor and pulling and running tool - Google Patents
Eccentric water-nozzle oil-nozzle water distributor and pulling and running tool Download PDFInfo
- Publication number
- CN1056434C CN1056434C CN95119415A CN95119415A CN1056434C CN 1056434 C CN1056434 C CN 1056434C CN 95119415 A CN95119415 A CN 95119415A CN 95119415 A CN95119415 A CN 95119415A CN 1056434 C CN1056434 C CN 1056434C
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- nozzle
- water
- oil
- eccentric
- cover
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Abstract
The present invention relates to an eccentric water nozzle and oil nozzle water service apparatus and a throwing fetching tool for stratification water distribution and production distribution of downhole operation. The upper end of a working barrel of the eccentric water nozzle and oil nozzle water service apparatus is provided with a conical surface and a positioning ring groove, the middle is provided with a transverse hole, and the lower part is connected with a guiding body. A clamping spring is arranged on a water nozzle sleeve connected with the working barrel. The guiding body of an eccentric water nozzle and oil nozzle throwing fetching apparatus is connected with a main body by a pin shaft. An inclined plane sliding rod is arranged in the main body. A throwing end or a fetching end is arranged on an inclined plane guiding rail of the inclined plane sliding rod. A locking block sleeve is connected with the main body by a screw thread. The outer part of the locking block sleeve is provided with a pressure spring and a positioning locking sleeve. A locking block is arranged in the locking block sleeve. The throwing fetching tool can be directly used for throwing and fetching a water nozzle or an oil nozzle. Any intermediate object is not required.
Description
The present invention relates to a kind of oilfield downhole operation with the eccentric water nozzle injection well downhole flow regulator of layering water distribution or join eccentric oil nozzle injection well downhole flow regulator and the matching used throw in catcher thereof that produces usefulness.
At present, the structure of known eccentric injection mandrel and throw in catcher is: eccentric injection mandrel is by eccentric throw in catcher eccentric blanking plug to be shipped in the specific side-pocket mandrel or in off-centre work letter to pull out when changing water (oil) mouth, can change it and be installed in interior water (oil) mouth of eccentric blanking plug, because water (oil) mouth is installed in the eccentric blanking plug of intermediary, direct pulling water (oil) mouth when carrying out underground work, make it the complex structure of eccentric injection mandrel simultaneously, volume is bigger, makes troubles for on-the-spot underground work.
The purpose of this invention is to provide a kind of layering water distribution and join the injection well downhole flow regulator and the matched throw in catcher of product.It does not need the pulling intermediary, can directly carry out pulling water nozzle or oil nozzle, can realize single pipe layered segmentation water distribution technology with the supporting use of packer simultaneously.
The object of the present invention is achieved like this: the eccentric water-nozzle oil-nozzle water distributor main body is a seating nipple 1, form by seating nipple, water nozzle cover or oil nozzle cover, water nozzle or oil nozzle, O shape cushion rubber, positioning ring groove, jump ring and guide way, the upper end of seating nipple 1 inside is a positioning ring groove 7, there is a cross-drilled hole at the middle part, the guide way 8 of bottom and orientation joins, and the cross-drilled hole of the opening of guide way 8 and seating nipple 1 is in same orientation; Water nozzle cover or oil nozzle cover 4 are connected with the cross-drilled hole internal thread of seating nipple 1, and be equipped with O type cushion rubber 2, water nozzle cover or oil nozzle overlap 4 medial ends and are provided with two lugs, two lugs are provided with jump ring 6, water nozzle or oil nozzle 5 are located in the centre bore of water nozzle cover or oil nozzle cover 4, and being equipped with O type cushion rubber 3, the step of water nozzle or oil nozzle 5 is located on the step of water nozzle cover or oil nozzle cover 4.
The seating nipple 1 of eccentric water-nozzle oil-nozzle water distributor is a middle tube that eccentric lobe is arranged.
The eccentric water-nozzle oil-nozzle throw in catcher that matches with eccentric water-nozzle oil-nozzle water distributor, by the inclined-plane slide bar, the lock dog cover, stage clip, lock dog, the location lock tube, clamping block, main body, throw head or drag for head, guide pad, top connection and steady nail constitute, the guide pad 10 that it is characterized in that throw in catcher joins by the bottom of bearing pin 9 with main body 27, inclined-plane slide bar 21 is located in the hole and groove of main body 27, the surface rail of inclined-plane slide bar 21 is provided with to be thrown head or drags for 28, the upper end of inclined-plane slide bar 21 and top connection 14 are provided with clamping block 26 by being threaded at the slide bar of main body 27 ramp slide bars 21 and the intersection minor diameter position of surface rail; Lock tube piece 22 is connected with main body 27 by screw thread, and lock dog overlaps 22 outsides and is provided with stage clip 23 and location lock tube 25, is provided with lock dog 24 in the lock dog cover 22.
Guide pad stage clip 11 is arranged on the guide pad 10, and the target seeker 13 of guide pad 10 ends is connected with the lower thread of main body 27, and is furnished with O type cushion rubber 12.
The present invention has following advantage: use the present invention, can join in the laminated distributor under well water distribution and produce in the operation directly pulling water nozzle or oil nozzle from eccentric water-nozzle oil-nozzle water distributor, and have simple in structure, volume is little, advantages such as job execution is easy can realize single string multi segmentation water distribution technology with the supporting use of packer in addition.
The present invention is further described below in conjunction with drawings and Examples:
Fig. 1 is an eccentric water-nozzle oil-nozzle water distributor structural representation of the present invention;
Fig. 2 is an eccentric water-nozzle oil-nozzle throw in catcher structural representation of the present invention;
Fig. 3 is eccentric water-nozzle oil-nozzle water distributor delivery status figure of the present invention;
Fig. 4 is that the eccentric water-nozzle oil-nozzle throw in catcher is salvaged state diagram among the present invention.
Among Fig. 1: 1-seating nipple, 2-O type cushion rubber I, 3-O type cushion rubber II, 4-water nozzle cover, 5-water nozzle, 6-jump ring, 7-positioning ring groove, 8-guide way.
Among Fig. 2: 21-inclined-plane slide bar, 22-lock dog cover, 23-stage clip, 24-lock dog, 25-location lock tube, 26-clamping block, 27-main body, 28-throw head or drag for head, 9-bearing pin, 10-guide pad, 11-guide pad stage clip, 12-O type cushion rubber, 13-target seeker, 14-top connection, 15-and surely follow closely.
In Fig. 1, the main body of eccentric water nozzle injection well downhole flow regulator is a seating nipple 1, all the other each parts are installed in the work letter 1, work letter 1 is a middle tube that eccentric lobe is arranged, the tubing round thread of its outside, two ends is connected with down-hole string, it is positioning ring groove 7 that there is a conical surface upper end of seating nipple 1 inside, the bottom is welded with the guide way 8 of an orientation, there is a cross-drilled hole at the middle part, the opening of guide way 8 is in same orientation with the cross-drilled hole of work letter 1, water nozzle cover 4 is installed in the hole of seating nipple 1 by screw thread, and be equipped with 2 sealings of O type cushion rubber, and water nozzle overlaps 4 medial ends two lugs, and jump ring 6 is installed on two lugs of water nozzle cover 4, together be installed in the cross-drilled hole of seating nipple 1 with water nozzle cover 4, water nozzle 5 is installed in the centre bore of water nozzle cover 4, and is equipped with 3 sealings of O type cushion rubber, and the step of water nozzle 5 is pressed on the step of water nozzle cover 4, the intracavity diameter of water nozzle 5 is greater than the stomidium diameter, and positioning ring groove 7 is installed in the upper end of work letter 1.Owing to be with jump ring 6 on two lugs in end of water nozzle cover or oil nozzle cover 4, when jump ring 6 is stressed, can strut, can restore after power is removed, can control the turnover of water nozzle or oil nozzle 5 in the delivery of water nozzle or oil nozzle 5 and when bearing external pressure, during delivery because the stopping of jump ring 6.Water nozzle or oil nozzle 5 can be guaranteed to overlap in 4 at water nozzle cover or oil nozzle, remove the barrier effect of jump ring 6 during salvaging, can salvage water nozzle or the oil nozzle 5 that needs replacing from water nozzle cover or oil nozzle cover 4.
In Fig. 2, throw in catcher is by bearing pin 9, guide pad 10, guide pad stage clip 11, O type cushion rubber 12, seeker 13 is formed, seeker 13 is by being threaded in the lower end of main body 27, guide pad 10 is installed in the bottom of main body 27 by bearing pin 9, guide pad stage clip 11 exposes to outside the main body 27 guide pad 10 all the time, inclined-plane slide bar 21 is installed in the hole and groove of main body 27, throw head or drag for 28 and be installed on the surface rail of inclined-plane slide bar 21, place simultaneously in the cross-drilled hole of main body 27, clamping block 26 is installed on the main body 27, be positioned at the intersection minor diameter position of the slide bar and the surface rail of inclined-plane slide bar 21, lock dog cover 22 is installed on the main body 27 by screw thread, lock dog 24 is installed in the lock dog cover 22, lock dog overlaps 22 outsides stage clip 23 is installed, location lock tube 25, top connection 14 is installed in the upper end of inclined-plane slide bar 21 by screw thread, and with steady nail 15 fixing anti-back-offs, the top of top connection 14 is connected with weighted lever and rope socket by screw thread.
When carrying out pulling, eccentric water nozzle or oil nozzle throw in catcher are connected with rope socket with the weighted lever of well head, in the steel wire lower going-into-well, location lock tube 25 is under the effect of the elastic force of stage clip 23 and self gravitation, be in throw in catcher lower end extreme position, make lock dog 24 be in bound state, inclined-plane slide bar 21 is locked on the lock dog cover 22, throw head or drag for 28 and be in the cross-drilled hole of main body 27, at this moment throw in catcher is smoothly in the lower going-into-well in the oil pipe, when the eccentric water-nozzle oil-nozzle throw in catcher enters in the work letter 1 of eccentric water-nozzle oil-nozzle water distributor, under the guiding of target seeker 13, the endoporus that slowly enters work letter 1 adds general goal, under the effect of guide pad stage clip 11, guide pad 10 restores to the original state, be in same orientation with the guide way 8 of work letter 1, even holding the cross-drilled hole of water nozzle or oil nozzle 5, cross-drilled hole on the eccentric water-nozzle oil-nozzle throw in catcher main body 27 and eccentric water-nozzle oil-nozzle water distributor seating nipple 1 be in same orientation, continue descending, location lock tube 25 contacts with the conical surface of seating nipple 1 upper end, because the external diameter of location lock tube 25 is greater than simple 1 diameter of bore of work, under action of gravity, stage clip 23 on the compression set lock tube 25, make location lock tube 25 on lock dog cover 22, slide into the step place, causing lock dog 24 to break away from constraint makes charge level slide bar 21 descending, when clamping block 26 when slide bar 21 minor diameters in inclined-plane move to the major diameter place, clamping block 26 is overhanging to be stuck in the locking annular groove of eccentric water-nozzle oil-nozzle water distributor work letter 1, work letter 1 locking with eccentric water-nozzle oil-nozzle throw in catcher and eccentric water-nozzle oil-nozzle water distributor, because inclined-plane slide bar 21 descending and main body 27 generation relative motions, be subjected to the constraint of main body 27 cross-drilled holes, throw head or drag for 28 the surface rail of inclined-plane slide bar 21 effect under, throw head or drag for 28 and in the cross-drilled hole of main body 27, produce radial motion, can enter in the cross-drilled hole that eccentric water-nozzle oil-nozzle water distributor work letter 1 holds water nozzle or oil nozzle 5, to be placed in the water nozzle cover or oil nozzle cover 4 that hold water nozzle or oil nozzle 5 cross-drilled holes that the water nozzle thrown on 28 or oil nozzle 5 deliver to work letter 1, or drag for and need water nozzle or the oil nozzle 5 changed in water nozzle cover or the oil nozzle cover 4, carry inclined-plane slide bar 21 on this moment, under the effect of inclined-plane slide bar 21 surface rails, throw head or drag for 28 and do in the cross-drilled hole of main body 27 radially that retraction moves, when inclined-plane slide bar 21 up till death, because its diameter from big to small, make pin on the main body 27 decide piece 26 and lose constraint, 27 1 of the up again drive main bodys of inclined-plane slide bar 21 are up, make location lock tube 25 leave the end conical surface of seating nipple 1, under the action of gravity of the elastic force of stage clip 23 and location lock tube 25, location lock tube 25 slides to bottom dead centre 22 times along the lock dog cover, locate lock tube 25 this moment and recover constraint again lock dog 24, be about to inclined-plane slide bar 21 and lock dog cover 22 locking again, no longer produce relative motion, carry steel wire continuously, the eccentric water-nozzle oil-nozzle throw in catcher can be taken out from well, whole water nozzle or oil nozzle pulling process are promptly all finished, and can reach the purpose of direct pulling water nozzle or oil nozzle.
Claims (4)
1, a kind of eccentric water-nozzle oil-nozzle water distributor, form by seating nipple, water nozzle cover or oil nozzle cover, water nozzle or oil nozzle, O shape cushion rubber, positioning ring groove, jump ring and guide way, it is characterized in that the inner upper end of seating nipple (1) is positioning ring groove (7), there is a cross-drilled hole at the middle part, the guide way of bottom and orientation (8) joins, and the cross-drilled hole of the opening of guide way (8) and seating nipple (1) is in same orientation; Water nozzle cover or oil nozzle cover (4) are connected with the cross-drilled hole internal thread of seating nipple (1), and be equipped with O type cushion rubber (2), water nozzle cover or oil nozzle cover (4) medial end are provided with two lugs, two lugs are provided with jump ring (6), water nozzle or oil nozzle (5) are located in the centre bore of water nozzle cover or oil nozzle cover (4), and being equipped with O type cushion rubber (3), the step of water nozzle or oil nozzle (5) is located on the step of water nozzle cover or oil nozzle cover (4).
2, eccentric water-nozzle oil-nozzle water distributor according to claim 1 is characterized in that: the seating nipple of eccentric water-nozzle oil-nozzle water distributor (1) is a middle tube that eccentric lobe is arranged.
3, a kind of eccentric water-nozzle oil-nozzle throw in catcher that matches with the described eccentric water-nozzle oil-nozzle water distributor of claim 1, by the inclined-plane slide bar, the lock dog cover, stage clip, lock dog, the location lock tube, clamping block, main body, throw head or drag for head, guide pad, top connection and steady nail constitute, the guide pad (10) that it is characterized in that throw in catcher joins by the bottom of bearing pin (9) with main body (27), inclined-plane slide bar (21) is located in the hole and groove of main body (27), the surface rail of inclined-plane slide bar (21) is provided with to be thrown head or drags for head (28), the upper end of inclined-plane slide bar (21) and top connection (14) are provided with clamping block (26) by being threaded at the slide bar of main body (27) ramp slide bar (21) and the intersection minor diameter position of surface rail; Lock tube piece (22) is connected with main body (27) by screw thread, and lock dog cover (22) outside is provided with stage clip (23) and location lock tube (25), is provided with lock dog (24) in the lock dog cover (22).
4. eccentric water-nozzle oil-nozzle throw in catcher according to claim 3 is characterized in that guide pad stage clip (11) is arranged on the guide pad (10), and the target seeker (13) of guide pad (10) end is connected with the lower thread of main body (27), and is furnished with O type cushion rubber (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95119415A CN1056434C (en) | 1995-12-25 | 1995-12-25 | Eccentric water-nozzle oil-nozzle water distributor and pulling and running tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN95119415A CN1056434C (en) | 1995-12-25 | 1995-12-25 | Eccentric water-nozzle oil-nozzle water distributor and pulling and running tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1153251A CN1153251A (en) | 1997-07-02 |
| CN1056434C true CN1056434C (en) | 2000-09-13 |
Family
ID=5082008
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN95119415A Expired - Fee Related CN1056434C (en) | 1995-12-25 | 1995-12-25 | Eccentric water-nozzle oil-nozzle water distributor and pulling and running tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1056434C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101936148B (en) * | 2010-08-13 | 2013-01-09 | 西南石油大学 | Adjustable water nozzle for oilfield water injection and water distributor with same |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4462465A (en) * | 1982-06-28 | 1984-07-31 | Otis Engineering Corporation | Controlling injection of fluids into wells |
| CN2054825U (en) * | 1989-09-16 | 1990-03-21 | 中原石油勘探局采油工艺研究所 | Double layer self-adjusting water distributor |
| SU1634776A1 (en) * | 1989-02-13 | 1991-03-15 | Ивано-Франковский Институт Нефти И Газа | Jet bottom catcher |
| CN2113335U (en) * | 1991-11-04 | 1992-08-19 | 中原石油勘探局采油二厂 | Ground water distributor for water filling well |
| CN2173309Y (en) * | 1993-04-10 | 1994-08-03 | 新疆石油管理局油田工艺研究所 | Distributor for injecting water to oil well |
| CN2195616Y (en) * | 1994-06-01 | 1995-04-26 | 中原石油勘探局采油一厂 | Eccentric water distributing device |
-
1995
- 1995-12-25 CN CN95119415A patent/CN1056434C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4462465A (en) * | 1982-06-28 | 1984-07-31 | Otis Engineering Corporation | Controlling injection of fluids into wells |
| SU1634776A1 (en) * | 1989-02-13 | 1991-03-15 | Ивано-Франковский Институт Нефти И Газа | Jet bottom catcher |
| CN2054825U (en) * | 1989-09-16 | 1990-03-21 | 中原石油勘探局采油工艺研究所 | Double layer self-adjusting water distributor |
| CN2113335U (en) * | 1991-11-04 | 1992-08-19 | 中原石油勘探局采油二厂 | Ground water distributor for water filling well |
| CN2173309Y (en) * | 1993-04-10 | 1994-08-03 | 新疆石油管理局油田工艺研究所 | Distributor for injecting water to oil well |
| CN2195616Y (en) * | 1994-06-01 | 1995-04-26 | 中原石油勘探局采油一厂 | Eccentric water distributing device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1153251A (en) | 1997-07-02 |
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