CN204738798U - Device is filled in a tubular column horizontal well bottom layering - Google Patents
Device is filled in a tubular column horizontal well bottom layering Download PDFInfo
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- CN204738798U CN204738798U CN201520341012.0U CN201520341012U CN204738798U CN 204738798 U CN204738798 U CN 204738798U CN 201520341012 U CN201520341012 U CN 201520341012U CN 204738798 U CN204738798 U CN 204738798U
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Abstract
The utility model relates to a device is filled in a tubular column horizontal well bottom layering, its technical scheme is: including outer tube column, outer tube column includes upper portion tubular column, middle tubular column and lower part tubular column, and upper portion tubular column, middle tubular column and lower part tubular column include packer, first nipple joint, screen pipe, second nipple joint, sealing device respectively, and the packer is fixed at the top of upper portion tubular column, and the packer connects gradually first nipple joint, screen pipe, second nipple joint, sealing device, characterized by: sealing device's bottom connect packing tool, the second screen pipe is connected to packing tool's sub -unit connection third nipple joint, third nipple joint, the plug is connected to the bottom of second screen pipe, the second screen pipe on be equipped with the locator, the service aid seals the ware including the seat, and the seat connects gradually the washing pipe on sealing the ware, connects gradually the packing tool on upper portion tubular column, middle tubular column and the lower part tubular column on the washing pipe, the beneficial effects of the utility model are that: simple process, construction convenience shortens construction cycle, reduces construction cost.
Description
Technical field
The utility model relates to a kind of oil exploitation well sand control installation, particularly layering device for filling bottom one-trip string horizontal well.
Background technology
At present, oil extraction in oil field be a kind of recovery well sand preventing tool, mainly contain packer and filling sliding sleeve composition, its objective is and carry out sand control treatment to oil reservoir, it has made tremendous contribution for oil exploitation, but the instrument of this structure exists following shortcoming and defect:
single zone compaction can only be carried out
multiple gravel pack construction complicated needs repeatedly enters instrument down, and duty cycle is long
big energy-consuming, cost is high.
Chinese patent literature number is CN 203847076 U, patent name is " a kind of one-trip string multilayer circulation filling anti-sand device ", comprise outer tubing string and the service tube-column being inserted therein portion, service tube-column comprises docking tubing string and filling service tube-column, docking tubing string comprises washing pipe I, docking adapter and every liquid pipe I, docking adapter is fixedly connected with washing pipe I lower end, be looped around the outside of washing pipe I and docking adapter every liquid pipe I and arrange with both annular spaces, the liquid of anti-flushing well and upwards foldback load fluid is carried out by this annulus access, the isolation with other oil reservoir can be guaranteed every liquid pipe I, when preventing anti-flushing well, well liquid enters stratum, cause the pollution of oil reservoir, filling service tube-column comprises the bilateral body, elastic mechanism, lower seal bar, washing pipe II and the shutoff lower floor sealing mechanism that from up to down connect in turn, and bilateral body is connected with docking adapter, and washing pipe II is provided with hydrophthalmia, only adopts one-trip string to realize multi-stage adsorption.Its Problems existing is: also need docking, increase risk, reduce the success rate of construction.
Summary of the invention
The purpose of this utility model is exactly in view of the foregoing defects the prior art has, provides layering device for filling bottom one-trip string horizontal well, and technique is simple, easy construction, shortens construction period, reduces construction cost.
Its technical scheme is: comprise outer tubing string, outer tubing string comprises top tubing string, middle tubing string and bottom tubing string, described top tubing string, middle tubing string is connected from top to bottom successively with bottom tubing string, top tubing string, middle tubing string and bottom tubing string comprise packer respectively, first pipe nipple, screen casing, second pipe nipple, sealing device, packer is fixed at the top of top tubing string, packer connects the first pipe nipple successively, screen casing, second pipe nipple, sealing device, it is characterized in that: described top tubing string, middle tubing string is connected packing tool respectively with on the sealing device on the tubing string of bottom, the bottom of described bottom tubing string connects the 3rd pipe nipple, 3rd pipe nipple connects the second screen casing, the bottom of the second screen casing connects plug, the second described screen casing is provided with locator, setting device is fixed at the top of outer tubing string, setting device connects washing pipe, washing pipe connects top tubing string from top to bottom successively, packing tool on middle tubing string and bottom tubing string, the bottom of washing pipe connects filling service aid.
The two ends filling mouth of above-mentioned filling service aid connects seal bar respectively, described filling service aid built-in switch instrument, the bottom of described switching tools is provided with spring, upper end and the washing pipe of filling service aid are threaded connection, the lower end of described filling service aid is connected with filling screen casing, limited location block in described switching tools, the bottom of filling service aid is provided with ball seat, the built-in ball-and-seat of described filling service aid.
Gag lever post is provided with in above-mentioned switching tools.
Above-mentioned switching tools is provided with the groove match in tongue and filling service aid.
The beneficial effects of the utility model are:
1, technique is simple, easy construction, shortens construction period, reduces construction cost;
2, one-trip string can carry out packing job to multiple stratum, and construction benefit is high;
3, switching tools is reliable, has positive closing function;
4, adopt inner sealing device, avoid because the frequent mobile tubing string of multilayer operation is to the damage of sealing;
5, tool positioned is reliable, and when can prevent filling from constructing, tubing string moves.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model;
Accompanying drawing 2 is structural representations of filling service aid;
Accompanying drawing 3 is the sectional views of A-A in filling service aid;
In upper figure: top tubing string a, middle tubing string b and bottom tubing string c; Outer tubing string 1, packer 2, first pipe nipple 3, screen casing 4, second pipe nipple 5, sealing device 6, packing tool 7, the 3rd pipe nipple 8, second screen casing 9, plug 10, locator 11, setting device 12, washing pipe 13, filling service aid 14, gag lever post 15, filling screen casing 16, switch 17, seal bar 18, spring 19, limited block 20, ball seat 21, ball-and-seat 22.
Detailed description of the invention
1-3 by reference to the accompanying drawings, the utility model will be further described:
The utility model comprises outer tubing string 1, and outer tubing string 1 comprises top tubing string a, middle tubing string b and bottom tubing string c, described top tubing string a, middle tubing string b is connected from top to bottom successively with bottom tubing string c, top tubing string a, middle tubing string b and bottom tubing string c comprises packer 2 respectively, first pipe nipple 3, screen casing 4, second pipe nipple 5, sealing device 6, packer 2 is fixed at the top of top tubing string a, and packer 2 connects the first pipe nipple 3 successively, screen casing 4, second pipe nipple 5, sealing device 6, wherein, described top tubing string a, middle tubing string b is connected packing tool 7 respectively with on the sealing device 6 of bottom tubing string c, the bottom of bottom tubing string c connects the 3rd pipe nipple 8, 3rd pipe nipple 8 connects the second screen casing 9, the bottom of the second screen casing 9 connects plug 10, the second described screen casing 9 is provided with locator 11, setting device 12 is fixed at the top of outer tubing string 1, and setting device 12 connects washing pipe 13, and washing pipe 13 connects top tubing string a from top to bottom successively, packing tool 7 on middle tubing string b and bottom tubing string c, the bottom of washing pipe 13 connects filling service aid 14.
Wherein, the two ends filling mouth of filling service aid 14 connects seal bar 18 respectively, described filling service aid 14 built-in switch instrument 17, the bottom of described switching tools 17 is provided with spring 19, upper end and the washing pipe 13 of filling service aid 14 are threaded connection, the lower end of described filling service aid 14 is connected with filling screen casing 16, limited location block 20 in described switching tools 17, the bottom of filling service aid 14 is provided with ball seat 21, the built-in ball-and-seat 22 of described filling service aid 14, switch is discharged by ball seat 21 by described switching tools 17.
Wherein, in switching tools 17, be provided with gag lever post 15, the movement locus of limit switch instrument 17.
Wherein, switching tools 17 is provided with the groove match in tongue and filling service aid 14, improves fiting effect, improves slicing and filling effect.
Operating principle: under enter the interior service aid of outer tubing string and packing tool, the packer on setting top tubing string a is also given up, and 12-15MPa suppressed by oil pipe, setting top packer, 10MPa suppressed by sleeve pipe, tests top packer qualified, oil pipe rotates forward 10-15 circle, realizes giving up, the packer on setting middle tubing string b, and filling service tube-column is positioned over the packer location on middle tubing string b, 10-15MPa suppressed by oil pipe, packer on setting bottom tubing string c, oil reservoir under filling, the filling mouth of bottom filling tool is opened by filling service aid, secondly lower compressive load is applied, to guarantee that the service aid of layering packing tool bottom one-trip string horizontal well in operation process does not move, carry out packing job simultaneously, secondly load fluid enters bottom filling tool by the filling mouth of service aid, filling mouth through bottom filling tool enters sleeve pipe, stratum is entered by perforated interval, oil reservoir under filling, anti-flushing well, on carry packing tool filling mouth propose seal section, sleeve pipe is suppressed, current are through service tube-column and outer tubing annulus, oil pipe is entered by the filling mouth of service tube-column, set up reacting cycle passage, repeat to isolate middle tubing string b, bottom tubing string c packer, oil reservoir in the middle of filling, anti-flushing well, carry out the packing job of middle oil reservoir, repeat to isolate top tubing string a, oil reservoir in the filling of middle tubing string b packer, anti-flushing well, carry out the packing job of upper oil reservoir.
The above is only preferred embodiment of the present utility model, and any those of ordinary skill in the art all may utilize the technical scheme of above-mentioned elaboration to the utility model correct or are revised as equivalent technical scheme.Therefore, any simple modification of carrying out according to the technical solution of the utility model or substitute equivalents, all belong within the claimed scope of the utility model.
Claims (4)
1. layering device for filling bottom an one-trip string horizontal well, comprise outer tubing string (1), outer tubing string (1) comprises top tubing string (a), middle tubing string (b) and bottom tubing string (c), described top tubing string (a), middle tubing string (b) is connected from top to bottom successively with bottom tubing string (c), top tubing string (a), middle tubing string (b) and bottom tubing string (c) comprise packer (2) respectively, first pipe nipple (3), screen casing (4), second pipe nipple (5), sealing device (6), packer (2) is fixed at the top on top tubing string (a), packer (2) connects the first pipe nipple (3) successively, screen casing (4), second pipe nipple (5), sealing device (6), it is characterized in that: described top tubing string (a), middle tubing string (b) is connected packing tool (7) respectively with on the sealing device (6) on bottom tubing string (c), the bottom of bottom tubing string (c) connects the 3rd pipe nipple (8), upper connection second screen casing (9) of 3rd pipe nipple (8), the bottom of the second screen casing (9) connects plug (10), described the second screen casing (9) is provided with locator (11), setting device (12) is fixed at the top of outer tubing string (1), setting device (12) connects washing pipe (13), washing pipe (13) connects top tubing string (a) from top to bottom successively, middle tubing string (b) and the packing tool (7) on bottom tubing string (c), the bottom of washing pipe (13) connects filling service aid (14).
2. layering device for filling bottom one-trip string horizontal well according to claim 1, it is characterized in that: the two ends filling mouth of described filling service aid (14) connects seal bar (18) respectively, described filling service aid (14) built-in switch instrument (17), the bottom of described switching tools (17) is provided with spring (19), upper end and the washing pipe (13) of filling service aid (14) are threaded connection, the lower end of described filling service aid (14) is connected with filling screen casing (16), the interior limited location block (20) of described switching tools (17), the bottom of filling service aid (14) is provided with ball seat (21), the built-in ball-and-seat of described filling service aid (14) (22).
3. layering device for filling bottom one-trip string horizontal well according to claim 2, is characterized in that: be provided with gag lever post (15) in described switching tools (17).
4. layering device for filling bottom one-trip string horizontal well according to claim 3, is characterized in that: described switching tools (17) is provided with the groove match in tongue and filling service aid (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520341012.0U CN204738798U (en) | 2015-05-25 | 2015-05-25 | Device is filled in a tubular column horizontal well bottom layering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520341012.0U CN204738798U (en) | 2015-05-25 | 2015-05-25 | Device is filled in a tubular column horizontal well bottom layering |
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| Publication Number | Publication Date |
|---|---|
| CN204738798U true CN204738798U (en) | 2015-11-04 |
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| CN201520341012.0U Active CN204738798U (en) | 2015-05-25 | 2015-05-25 | Device is filled in a tubular column horizontal well bottom layering |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625830A (en) * | 2017-03-22 | 2018-10-09 | 中国石油化工股份有限公司 | Ball-throwing type selective sand control process pipe string and its method |
| CN110017121A (en) * | 2019-04-17 | 2019-07-16 | 中国海洋石油集团有限公司 | A kind of large span perforated interval single multilayer gravel pack tools |
| CN110080727A (en) * | 2019-04-17 | 2019-08-02 | 中国海洋石油集团有限公司 | A kind of large span perforated interval single multilayer gravel packing operations method |
| CN110242275A (en) * | 2019-05-23 | 2019-09-17 | 广州海洋地质调查局 | A kind of oil pipe of horizontal well wears cable production and cuts open test method and device |
| CN111706296A (en) * | 2020-07-01 | 2020-09-25 | 杨国 | Reverse circulation check valve capable of controlling opening and closing |
-
2015
- 2015-05-25 CN CN201520341012.0U patent/CN204738798U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108625830A (en) * | 2017-03-22 | 2018-10-09 | 中国石油化工股份有限公司 | Ball-throwing type selective sand control process pipe string and its method |
| CN110017121A (en) * | 2019-04-17 | 2019-07-16 | 中国海洋石油集团有限公司 | A kind of large span perforated interval single multilayer gravel pack tools |
| CN110080727A (en) * | 2019-04-17 | 2019-08-02 | 中国海洋石油集团有限公司 | A kind of large span perforated interval single multilayer gravel packing operations method |
| CN110080727B (en) * | 2019-04-17 | 2021-08-31 | 中国海洋石油集团有限公司 | One-time multilayer gravel packing operation method for large-span perforation section |
| CN110017121B (en) * | 2019-04-17 | 2021-10-19 | 中国海洋石油集团有限公司 | Primary multilayer gravel packing tool for large-span perforation section |
| CN110242275A (en) * | 2019-05-23 | 2019-09-17 | 广州海洋地质调查局 | A kind of oil pipe of horizontal well wears cable production and cuts open test method and device |
| CN110242275B (en) * | 2019-05-23 | 2024-04-19 | 广州海洋地质调查局 | Horizontal well oil pipe cable penetrating production profile test method and device |
| CN111706296A (en) * | 2020-07-01 | 2020-09-25 | 杨国 | Reverse circulation check valve capable of controlling opening and closing |
| CN111706296B (en) * | 2020-07-01 | 2022-03-25 | 杨国 | Reverse circulation check valve capable of controlling opening and closing |
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