CN201372779Y - Oil casing communicating vessel - Google Patents
Oil casing communicating vessel Download PDFInfo
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- CN201372779Y CN201372779Y CN200920106040U CN200920106040U CN201372779Y CN 201372779 Y CN201372779 Y CN 201372779Y CN 200920106040 U CN200920106040 U CN 200920106040U CN 200920106040 U CN200920106040 U CN 200920106040U CN 201372779 Y CN201372779 Y CN 201372779Y
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- sliding sleeve
- oil
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- communicating vessel
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Abstract
An oil casing communicating vessel is applied to an oil well completion pipe string and characterized in that an upper joint, a lower joint and two ends of a sleeve are connected through threads. The periphery of the outer wall of the sleeve is fixed with a sieve tube; and rectangular through holes are evenly distributed on the sleeve and a slide bushing. The slide bushing is arranged in the sleeve and can slide on the inner wall of the sleeve. The inner wall at the upper part of the slide bushing is provided with a ring-shaped groove; the outer wall of the slide bushing is provided with a snap spring groove in which a snap spring is arranged; and the snap spring groove is arranged on the inner wall of the sleeve. The oil casing communicating vessel has the effects that by leading the oil casing communicating vessel to be connected onto the well completion pipe string and directly controlling the slide bushing through a hydraulic switch tool, sectional oil extraction, and water search and control can be achieved. The oil casing communicating vessel has the advantages of simple operation, low cost and durable service, can adjust the production position according to the production needs, carries out production by changing another level, can be used in a straight or horizontal well, has the function of preventing sand, and can prevent the stratigraphic sand from going into a well completion casing.
Description
Technical field
The utility model relates to the oil development technical field, and particularly the oil well completion tubing string is the oil jacket linker that uses in a kind of completion tubular column.
Background technology
The oil reservoir commonly used both at home and abroad and the connection method of sleeve pipe mainly contain well-case perforating completion, barefoot completion, sieve tube completion etc.The purpose of these methods is the oily vapour communication passage of getting through between oil reservoir and the sleeve pipe, makes oily steam flow go into pit shaft, carries out oily vapour production.But, be difficult to these oily vapour communication passage are carried out Artificial Control.Particularly in horizontal well, because the particularity of horizontal well casing programme is controlled oily vapour communication passage with conventional water plugging string and had bigger risk.Water plugging of horizontal well is that the oil field oil production technology faces major issue extremely to be solved.
Horizontal well adopts sieve tube completion more.In case the water outlet of horizontal well interval, the horizontal well of sieve tube completion soon by water logging, also do not have good method to control at present.For straight well, the completion method of current employing is: at first cross annular space and carry out producing profile testing, determine the high water-bearing interval of oil well, closing well trips out flow string then, is lowered to measure working string shutoff water exit interval.Be lowered to flow string again and resume production, this water detection shutoff method is complex process not only, the construction cost height, and can not adjust the producing zone position according to producing needs in good time, increased the Oilfield developing cost greatly.At the product water problems of oil well, the oil field needs a kind of oil jacket linker that can be connected on the completion tubular column.
Chinese patent publication number: disclose a kind of " the integrated water detecting and plugging pipe column in down-hole " in 2823553 the patent, when utilizing down-hole integrated water detection water plugging string operation, be lowered to minor diameter motor machine pawl by the rod-pumped well annular space, the down-hole sliding sleeve switch is operated.The integrated water detection water plugging string in this down-hole exists not enough: one, the independent tubing string of a cover, directly do not link to each other with flow string, and if down-hole fouling or corrosion, cable and gripper are lowered to dyskinesia; Two, cable and gripper can not be lowered in the horizontal well; Three, water detecting and plugging pipe column is placed in the well for a long time, if sand production or fouling, there is the risk of sand card in this tubing string.
The utility model content
The purpose of this utility model is: a kind of oil jacket linker is provided, be fixed in the completion tubular column, make to slide in the sleeve and slide, realize that sliding sleeve overlaps or closes with the sleeve hydrophthalmia, reach the oily vapour communication passage of control, produce water problems in the control oil well production process, realize oil production by layer, and this oil jacket linker has the sand control function.
The technical solution adopted in the utility model is: the oil jacket linker, mainly form by top connection, screen casing, sleeve, jump ring, sliding sleeve and lower contact, and it is characterized in that: top connection can be connected with production casing and G.I.H with lower contact.Top connection and lower contact are adopted with the two ends of sleeve and are threaded.Be fixed with screen casing around the sleeve outer wall, be evenly distributed with rectangular through hole on sleeve and the sliding sleeve.Slide in the sleeve, can on sleeve lining, slide.When sliding sleeve did not upwards slide, the position of rectangular through holes is staggered on rectangular through holes and the sliding sleeve on the sleeve was not communicated with; After sliding sleeve upwards slides, the relative also connection in position of rectangular through holes on rectangular through holes and the sliding sleeve on the sleeve.A cannelure is arranged on the sliding sleeve upper inside wall, adopts special tool to be lowered in the sliding sleeve, can find the position of this cannelure and special tool to be connected with sliding sleeve, on carry special tool, sliding sleeve can upwards slide.The jump ring groove is arranged on the outer wall of sliding sleeve, a jump ring is arranged in the jump ring groove.The jump ring groove is arranged on the inwall of sleeve.When sliding sleeve upwards slides, when the jump ring on the sliding sleeve was relative with jump ring groove on the sleeve lining, the jump ring spreading also was positioned at sliding sleeve on the inwall of sleeve.
The beneficial effects of the utility model: the utility model oil jacket linker, be connected on the completion tubular column, in completion casing, be lowered to the control tubing string one time, directly control sliding sleeve 6 by the hydraulic selector instrument, with being communicated with oil pipe or closing of the corresponding well section of oil jacket linker, can realize segmentation oil recovery, water detection and control water.Simple to operate, with low cost, durable in use, can adjust the producing zone position according to producing needs in good time, to realize changing layer production, straight well or horizontal well all can use.The oil jacket linker has the sand control function, can stop the stratum sand formation cuttings to enter in the completion casing.The oil jacket linker has more significance to the water detection in the horizontal well oil-gas mining, water blockoff and oil production by layer.
Description of drawings
Fig. 1 is the utility model oil jacket linker structural profile schematic diagram, is that the through hole on the sliding sleeve 6 overlaps schematic diagram with through hole on the sleeve 3.
Fig. 2 is that the utility model is opened oil jacket linker structural representation, is through hole on the sliding sleeve 6 and the through hole on the sleeve 3 schematic diagram that staggers.
Among the figure, 1. top connection, 2. screen casing, 3. sleeve, 4. cannelure, 5. jump ring, 6. sliding sleeve, 7. lower contact.
The specific embodiment
Embodiment 1: " the oil jacket linker that uses on the sleeve pipe is example, and the utility model is described in further detail with a 5-1/2.
Consult Fig. 1.The oil jacket linker, top connection 1 has and 5-1/2 with lower contact 7, and " screw thread that production casing is connected can be connected with production casing and G.I.H.The upper end of top connection 1 lower end and sleeve 3 adopts screw thread to connect, and the upper end of lower contact 7 is adopted with the lower end of sleeve 3 and is threaded.Around sleeve 3 outer walls, be fixed with one deck screen casing 2.
The internal diameter of sleeve 3 is 115 millimeters.Be evenly distributed with rectangular through hole on sleeve 3 and the sliding sleeve 6.Sliding sleeve 6 is in sleeve 3, and the external diameter of sliding sleeve 6 is 115 millimeters, can slide on sleeve 3 inwalls.When sliding sleeve 6 did not upwards slide, the position of rectangular through holes is staggered on rectangular through holes and the sliding sleeve 6 on the sleeve 3 was not communicated with; After sliding sleeve 6 upwards slides, the relative also connection in position of rectangular through holes on rectangular through holes and the sliding sleeve 6 on the sleeve 3.
A cannelure 4 is arranged, 5 millimeters of the degree of depth of cannelure 4,25 millimeters of width on sliding sleeve 6 upper inside wall.Adopt special tool to be lowered in the sliding sleeve 6, can find the position of this cannelure 4 and special tool to cooperate with the cannelure 4 of sliding sleeve 6, on carry special tool, sliding sleeve 6 can upwards slide.
A jump ring groove is arranged on the outer wall of sliding sleeve 6, hole jump ring 5 is arranged in the jump ring groove.The jump ring groove is arranged on the inwall of sleeve 3.When sliding sleeve 6 upwards slides, when the jump ring 5 on the sliding sleeve 6 was relative with jump ring groove on sleeve 3 inwalls, jump ring 5 spreadings also were positioned at sliding sleeve 6 on the inwall of sleeve 3.
Using method: the utility model oil jacket linker directly is connected on the completion tubular column by screw thread.The completion tubular column that completion casing, this oil jacket linker and external packer of pipe etc. are formed is separated each oil layer section of down-hole with packer in oil well.When needs are familiar with a certain stratum or are gone into operation, in completion casing, be lowered to the control tubing string that has hydraulic selector instrument (special tool), utilize hydraulic selector instrument control sliding sleeve 6 in sleeve 3, to slide up and down.
Consult Fig. 1.When sliding sleeve 6 moves up when reaching top dead-centre, the through hole on the sliding sleeve 6 overlaps with through hole on the sleeve 3, the liquid communication between the tubing and casing, and oil gas can enter in the completion tubular column, and jump ring 5 enters in the jump ring groove on the sleeve 3 simultaneously, and sliding sleeve 6 is locked.
Consult Fig. 2.When sliding over bottom dead centre, the through hole on through hole on the sliding sleeve 6 and the sleeve 3 staggers, and stops the liquid communication between the tubing and casing.
Claims (1)
1, a kind of oil jacket linker, mainly by top connection (1), screen casing (2), sleeve (3), jump ring (5), sliding sleeve (6) and lower contact (7) are formed, it is characterized in that: top connection (1) and lower contact (7) are adopted with the two ends of sleeve (3) and are threaded, be fixed with screen casing (2) around sleeve (3) outer wall, be evenly distributed with rectangular through hole on sleeve (3) and the sliding sleeve (6), sliding sleeve (6) is in sleeve (3), sliding sleeve (6) can slide on sleeve (3) inwall, when sliding sleeve (6) did not upwards slide, the last rectangular through holes of sleeve (3) was not communicated with the position of the last rectangular through holes of sliding sleeve (6) is staggered; After sliding sleeve (6) upwards slides, sleeve (3) is gone up rectangular through holes and the upward relative and connection in position of rectangular through holes of sliding sleeve (6), on sliding sleeve (6) upper inside wall cannelure (4) is arranged, the jump ring groove is arranged on the outer wall of sliding sleeve (6), a jump ring (5) is arranged in the jump ring groove, the jump ring groove is arranged on the inwall of sleeve (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920106040U CN201372779Y (en) | 2009-03-04 | 2009-03-04 | Oil casing communicating vessel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920106040U CN201372779Y (en) | 2009-03-04 | 2009-03-04 | Oil casing communicating vessel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201372779Y true CN201372779Y (en) | 2009-12-30 |
Family
ID=41498860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920106040U Expired - Lifetime CN201372779Y (en) | 2009-03-04 | 2009-03-04 | Oil casing communicating vessel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201372779Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221136A (en) * | 2015-10-10 | 2016-01-06 | 中国石油天然气股份有限公司 | Screen casing segmentation control in advance water is tested with monitoring and is altered integrated completion tool |
| CN108397167A (en) * | 2018-03-13 | 2018-08-14 | 中国石油化工股份有限公司 | Switchable type water-control sieve tube |
| CN110761718A (en) * | 2018-07-26 | 2020-02-07 | 中国石油化工股份有限公司 | Side-opening sand washing safety joint and well-reserving sand-preventing pipe column |
| CN111434882A (en) * | 2019-01-11 | 2020-07-21 | 中国石油天然气股份有限公司 | Method for establishing one-way drainage gas production channel on oil pipe |
| CN111663929A (en) * | 2020-05-25 | 2020-09-15 | 中国石油天然气股份有限公司 | Multi-section fractured horizontal well production profile testing pipe column |
| CN112392433A (en) * | 2020-11-14 | 2021-02-23 | 中国石油天然气股份有限公司 | Continuous cable laying pipe switch sliding sleeve for oil extraction and use method |
| CN114165194A (en) * | 2020-09-10 | 2022-03-11 | 中国石油天然气股份有限公司 | Well completion switch and well completion pipe string |
-
2009
- 2009-03-04 CN CN200920106040U patent/CN201372779Y/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221136A (en) * | 2015-10-10 | 2016-01-06 | 中国石油天然气股份有限公司 | Screen casing segmentation control in advance water is tested with monitoring and is altered integrated completion tool |
| CN105221136B (en) * | 2015-10-10 | 2018-04-03 | 中国石油天然气股份有限公司 | Screen casing is segmented control water and is tested with monitoring and alter integrated completion tool in advance |
| CN108397167A (en) * | 2018-03-13 | 2018-08-14 | 中国石油化工股份有限公司 | Switchable type water-control sieve tube |
| CN110761718A (en) * | 2018-07-26 | 2020-02-07 | 中国石油化工股份有限公司 | Side-opening sand washing safety joint and well-reserving sand-preventing pipe column |
| CN110761718B (en) * | 2018-07-26 | 2021-06-18 | 中国石油化工股份有限公司 | Side-opening sand washing safety joint and well-reserving sand-preventing pipe column |
| CN111434882A (en) * | 2019-01-11 | 2020-07-21 | 中国石油天然气股份有限公司 | Method for establishing one-way drainage gas production channel on oil pipe |
| CN111434882B (en) * | 2019-01-11 | 2022-05-06 | 中国石油天然气股份有限公司 | Method for establishing one-way drainage gas production channel on oil pipe |
| CN111663929A (en) * | 2020-05-25 | 2020-09-15 | 中国石油天然气股份有限公司 | Multi-section fractured horizontal well production profile testing pipe column |
| CN114165194A (en) * | 2020-09-10 | 2022-03-11 | 中国石油天然气股份有限公司 | Well completion switch and well completion pipe string |
| CN114165194B (en) * | 2020-09-10 | 2024-04-30 | 中国石油天然气股份有限公司 | Completion switch and completion string |
| CN112392433A (en) * | 2020-11-14 | 2021-02-23 | 中国石油天然气股份有限公司 | Continuous cable laying pipe switch sliding sleeve for oil extraction and use method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091230 |