CN205558879U - Oil -water well sand control packing tool - Google Patents
Oil -water well sand control packing tool Download PDFInfo
- Publication number
- CN205558879U CN205558879U CN201620287238.1U CN201620287238U CN205558879U CN 205558879 U CN205558879 U CN 205558879U CN 201620287238 U CN201620287238 U CN 201620287238U CN 205558879 U CN205558879 U CN 205558879U
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- central tube
- cylindrical
- union
- oil
- packing tool
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Abstract
The utility model relates to an oil -water well sand control packing tool, the reliable operation can satisfy marine highly deviated well's development requirement. This packing tool seals mechanism, give up mechanism and circulation mechanism including the seat. Inner center pipe's the upper portion and the mechanism of giving up are connected, the lower part in proper order with the lower valve body and the washing pipe articulate of circulation mechanism, the washing pipe connect and the lower clutch between be equipped with the sealing member, seat blocking seat that the seat sealed the mechanism is in the top of valve body down, and spring and spring plate are equipped with to the top of a blocking, and spring plate fixes in inner center pipe, is equipped with the discharge orifice on its plate body, slider and the bearing of mechanism of giving up be equipped with the axial cross the chute, and spring plate's the circulation between discharge orifice and inner center pipe and the outer center tube of crossing fill the clearance and form the circulation jointly and fill the passageway, the function of the post -construction that can realize giving up, need not to bat seat and instrument pressure testing.
Description
Technical field
This utility model relates to the underground operation tool of petroleum industry oil-water well, particularly a kind of oil-water well sand proof packing tool, reliable operation, it is possible to meet the exploitation requirement of marine high angle hole.
Background technology
Existing packing tool is mainly made up of setting mechanism, shifter, releasing gadget and conversion bore closure mechanism.Pitching is needed to suppress after putting in place under instrument setting, could open fill passage.Closing sleeve pipe, stratum squeeze pack can be opened sleeve pipe, can carry out annular circulation filling, filling completes, and carries out anti-flushing well, rotates forward and give up, and upper lifting pipe post, filling mouth is closed, tripped out the part of giving up of instrument, directly descend pump to produce.This instrument is widely used to land sand control.
But existing packing tool is when suppressing setting, can only by carry or transfer tubing string checking slips anchoring situation, it is impossible to judge whether packing element expands and put in place, serve seal annular space effect；Existing packing tool must be given up after having constructed, difficulty of giving up after having there is construction, and situation about even losing not open causes overhaul accident；Existing packing tool needs pitching, exist ball fall not in place, on high angle hole, there is the phenomenon that ball is poorly sealed with ball seat, cause construction complexity.
Summary of the invention
The deficiency existed for existing packing tool, this utility model provides a kind of oil-water well sand proof packing tool, and solution must not be tested envelope, need pitching setting, the problem of difficulty of giving up after construction, it is ensured that the success rate of sand control pack construction, reduces production cost.
This utility model is achieved in that a kind of oil-water well sand proof packing tool includes setting mechanism, releasing gadget and cycling mechanism.The top of inner central tube is connected with releasing gadget, bottom is connected with lower valve body and the washing pipe joint of cycling mechanism successively, is provided with sealing member between washing pipe joint and lower contact；The setting ball seat of setting mechanism is in the top of lower valve body, and the top of setting ball is equipped with spring and spring bearer plate, and spring bearer plate is fixed in inner central tube, and its plate body is provided with flowing hole；Releasing gadget give up slide block and bearing was provided with the flow pack gap axially crossed between chute and the flowing hole of spring bearer plate and inner central tube and exterior central tube and collectively constituted flow pack passage, construct after can realizing giving up, and the function of instrument pressure testing setting without pitching.
Compared with existing packing tool, remarkable result of the present utility model is: this utility model is setting without pitching, and after putting in place under this instrument, the ball seat on lower valve body top is rinsed well by anti-flushing well；Upper lifting pipe post reserved pressurization height；Oil pipe forehand is depressed into about 6MPa, and setting pin is cut off, and completes setting.At this moment, packing element seals oil, set annular space, and the washing pipe joint of cycling mechanism and lower contact are also at sealing state, release tubing pressure；The grappling situation that upper lifting pipe post is crossed and carried 3t, transfers tubing string pressurization 12t checking slips again；Close oil pipe gate, suppress carry out testing envelope from oil, set annular space；Testing after envelope completes, forehand is depressed into 18-20MPa, opens the flow pack passage of this packing tool.Transfer tubing string pressurization 10～20KN, rotate forward back-off and give up, sand control pipe pressurization 100～150KN after giving up successfully.Sand control is direct upper lifting pipe post after having constructed, and the part of giving up of this instrument is tripped out, and lower pump produces.
This instrument, according to the present situation of oil field gravel filling sand prevention technology, adds and tests envelope function, it can be ensured that instrument and the sealing property of internal surface of sleeve pipe.Improve releasing gadget, can realize first giving up and construct afterwards, it is to avoid filling is given up after having constructed the problem of difficulty, it is to avoid the down-hole overhaul accident thus caused.Setting ball is preset in instrument by this instrument, and compresses with spring bearer plate, it is ensured that its sealing, it is possible to meet the sand control requirement of high angle hole.Use this utility model can convenient construction, reduce down-hole overhaul accident generation, there is significant using effect, economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Below in conjunction with accompanying drawing this utility model is described in further detail and not limits the scope of the invention.See Fig. 1, a kind of oil-water well sand proof packing tool includes setting mechanism, releasing gadget and cycling mechanism, the top of inner central tube is connected with releasing gadget, bottom is connected with lower valve body 15 and the washing pipe joint 16 of cycling mechanism successively, is provided with sealing member between washing pipe joint 16 and lower contact 17；14, the setting ball of setting mechanism is in the top of lower valve body 15, and the top of setting ball 14 is fixed in inner central tube equipped with spring 13 and spring bearer plate 12, spring bearer plate 12, and its plate body is provided with flowing hole；Releasing gadget give up slide block 6 and bearing 4 was provided with the flow pack gap axially crossed between chute and the flowing hole of spring bearer plate 12 and inner central tube and exterior central tube and collectively constituted flow pack passage.This instrument has been arranged on setting ball 14 in inner central tube, setting and grappling is realized without suppressing the packing element 10 making this instrument and slips 11 again by the way of pitching, releasing gadget includes give up slide block 6, back-off sub 7, union set 8 and union 9, back-off sub 7 is that non-isometrical cylindrical body, its top cylindrical are provided with feather key and are connected with the inner circle of slide block 6 of giving up, and union 9 is then connected with the bottom inner circle of back-off sub 7 by union set 8；The top cylindrical that the cylindrical of bearing 4 is provided with and axially crosses chute, is fixed on back-off sub 7, the cylindrical of slide block 6 of giving up is provided with axially to cross chute and be provided with left-hand thread screw thread threadeds with the middle part platform section of exterior central tube.Union 9 is that top cylindrical is provided with the cylindrical body hanging step；Union set 8 is that bottom cylindrical is provided with the cylindrical above the cylindrical body of limited step, limited step and is provided with external screw thread and threadeds with the bottom inner circle of back-off sub 7；The step that hangs of union 9 is suspended on the upper surface of union set 8.The upper lumen of exterior central tube is more than the inner chamber of middle part platform section, and the disengaging for give up slide block 6 and exterior central tube is stepped down.The top cylindrical of back-off sub 7 is threaded with top inner central tube, bottom is connected with inner central tube by union 9.When giving up operation, the washing pipe that back-off sub 7, union 9, inner central tube, lower valve body 15, washing pipe joint 16 and the bottom being connected with top connection connects all is suggested outside well.Owing to union 9 is to hang on union set 8, back-off sub 7 and slide block 6 contact portion feather key of giving up connect, and the cylindrical of slide block 6 of giving up is again left-hand thread, and when rotating forward, slide block 6 of giving up is given up along the up realization of feather key of back-off sub 7.Owing to union 9 is to hang on union set 8, so when rotating forward is given up, union 9 will not rotate with lower component, the position of the filling mouth that bottom is made up of inside and outside sand export will not change, it is ensured that inside and outside sand export is the most right, it is ensured that construction safety.Owing to defining sealing between washing pipe joint 16 and lower contact 17, this tool seat is honored as a queen, and circulation port 2 exposes, and anti-when suppressing, liquid stream enters from circulation port 2 and flows downward, but not connecting with stratum, can realize testing envelope function.
Test envelope: setting complete after, close oil pipe gate, suppress from oil jacket annular space, at this moment inner sand outlet is not switched on, and packing element 10 seals oil jacket annular space.Owing to, when setting, setting sliding sleeve 3 is descending after having cut off setting pin 5 under the effect of setting piston 1, exposes circulation port 2, the liquid flow pack passage by circulation port 2 entering tool, come downwards to tool bottom.Owing to being to seal between washing pipe joint 16 and lower contact 17, it is possible to realize testing envelope, thus confirm the sealing situation of packing element 10；
Give up: testing after envelope completes, continue to suppress from oil pipe, spring bearer plate 12, spring 13, setting ball 14 and lower valve body 15 etc. are the most descending, thus open flow pack passage.Rotating forward is given up, and bearing 4 bottom rotates together with back-off sub 7, and drives slide block 6 of giving up up along back-off sub 7, it is achieved inner central tube and the separation of exterior central tube.
Flow pack sand control: squeeze pack, then flow pack can be carried out after having given up.During flow pack, sand-laden fluid flows out from filling mouth, stays outside pipe through sand screen by gravel, the washing pipe through being connected with washing pipe joint 16 of the liquid in load fluid, backs down bottom valve ball and enters the flow pack passage of this instrument, exits into sleeve pipe from circulation port 2.
Anti-flushing well: during anti-flushing well, flushing fluid enters from circulation port 2, enters inner central tube through the flow pack passage of instrument from bottom, backs down setting ball 14 and the spring 13 thereof on top, enters oil pipe, it is achieved anti-flushing well.
After anti-flushing well completes, direct upper lifting pipe post, complete whole sand control process.
Claims (5)
1. an oil-water well sand proof packing tool, including setting mechanism, releasing gadget and cycling mechanism, it is characterized in that, the top of inner central tube is connected with releasing gadget, bottom is connected with lower valve body and the washing pipe joint of cycling mechanism successively, is provided with sealing member between washing pipe joint and lower contact；The setting ball seat of setting mechanism is in the top of lower valve body, and the top of setting ball is equipped with spring and spring bearer plate, and spring bearer plate is fixed in inner central tube, and its plate body is provided with flowing hole；Releasing gadget give up slide block and bearing was provided with the flow pack gap axially crossed between chute and the flowing hole of spring bearer plate and inner central tube and exterior central tube and collectively constituted flow pack passage.
2. a kind of oil-water well sand proof packing tool as claimed in claim 1, it is characterized in that, described releasing gadget includes give up slide block, back-off sub, union set and union, back-off sub is that non-isometrical cylindrical body, its top cylindrical are provided with feather key and are connected with the inner circle of slide block of giving up, and union is then connected with the bottom inner circle of back-off sub by union set；The top cylindrical that the cylindrical of bearing is provided with and axially crosses chute, is fixed on back-off sub, the cylindrical of slide block of giving up is provided with axially to cross chute and be provided with left-hand thread screw thread threadeds with the middle part platform section of exterior central tube.
3. a kind of oil-water well sand proof packing tool as claimed in claim 2, is characterized in that, described union is that top cylindrical is provided with the cylindrical body hanging step；Union set is that bottom cylindrical is provided with the cylindrical above the cylindrical body of limited step, limited step and is provided with external screw thread and threadeds with the bottom inner circle of back-off sub；The step that hangs of union is suspended on the upper surface of union set.
4. oil-water well sand proof packing tool as claimed in claim 3 a kind of, is characterized in that, the upper lumen of described exterior central tube is more than the inner chamber of middle part platform section, and the disengaging for give up slide block and exterior central tube is stepped down.
5. a kind of oil-water well sand proof packing tool, is characterized in that, the top cylindrical of described back-off sub is threaded with top inner central tube, bottom is connected with inner central tube by union.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620287238.1U CN205558879U (en) | 2016-04-08 | 2016-04-08 | Oil -water well sand control packing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620287238.1U CN205558879U (en) | 2016-04-08 | 2016-04-08 | Oil -water well sand control packing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205558879U true CN205558879U (en) | 2016-09-07 |
Family
ID=56811162
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620287238.1U Expired - Fee Related CN205558879U (en) | 2016-04-08 | 2016-04-08 | Oil -water well sand control packing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205558879U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240178A (en) * | 2019-07-18 | 2021-01-19 | 中石化石油工程技术服务有限公司 | Anti-breaking and anti-falling filling tool for oil-water well and construction method thereof |
-
2016
- 2016-04-08 CN CN201620287238.1U patent/CN205558879U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112240178A (en) * | 2019-07-18 | 2021-01-19 | 中石化石油工程技术服务有限公司 | Anti-breaking and anti-falling filling tool for oil-water well and construction method thereof |
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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: 20160907 Termination date: 20190408 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |