CN2599219Y - Drilling type packer with hydraulic cylinder - Google Patents
Drilling type packer with hydraulic cylinder Download PDFInfo
- Publication number
- CN2599219Y CN2599219Y CNU032035934U CN03203593U CN2599219Y CN 2599219 Y CN2599219 Y CN 2599219Y CN U032035934 U CNU032035934 U CN U032035934U CN 03203593 U CN03203593 U CN 03203593U CN 2599219 Y CN2599219 Y CN 2599219Y
- Authority
- CN
- China
- Prior art keywords
- packing element
- cone
- cylinder
- piston
- sealing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model discloses a drilling type packer with hydraulic cylinder, mainly comprising a sealing cylinder, a center pipe, an upper slip and a lower slip, keys, an upper cone and a lower cone, a cone tack, a feature expansion ring, a rubber cylinder seat, a edge rubber cylinder, a middle rubber cylinder, a lock ring, a piston, a safety pack, a cylinder sleeve and a lower adaptor. The safety pack and the lock ring are arranged on the piston, which realizes automatic setting; the rubber cylinder part is a three-part unit and is provided with the feature expansion ring, which enhances the sealing; the keys are provided in the upper cone and the lower cone; the utility model has a simple structure and good stability and can be used together with supporting tools such as a sealing insert pipe and a starter, which, compared with the common drilling packer, reduces a two of tube columns.
Description
Technical field
The utility model relates to a kind of drillable packer that is used for the band fluid cylinder of several work such as oil gas well completion.
Background technology
The Application and Development of China's drillable packer starts from the phase early 1980s, common up till now drillable packer oil gas field has at home obtained using comparatively widely, though specification is more complete, but kind is very single, and the drillable packer that is lowered to by oil pipe all needs to be equipped with special setting tool, and needs tubing string ability completion twice, not only duty cycle is long, unsafe factor is many, and labour intensity is big, and has increased the weight of the pollution to the stratum.
Summary of the invention
The purpose of this utility model is the problem that is in use occurred at existing packer, design a kind of simple in structure, can realize that one-trip string sets, the band fluid cylinder drillable packer of completion.
The utility model mainly is made up of sealing drum 1, sealing ring 2, central tube 3, last lower slips 4, key 5, last lower cone 6,13, cone shear pin 7, male and female tensioner ring 8,9, glue tube base 10, limit packing element 11, middle packing element 12, lock ring 14, piston 15, safe shear pin 16, cylinder sleeve 17, round section joint ring 18,19 and lower contact 21.Described packing element assembly comprises glue tube base 10, limit packing element 11, middle packing element 12, and respectively there is packing element 11 on one side middle packing element 12 both sides, and symmetry is equipped with glue tube base 10 on the limit packing element 11, and male and female tensioner ring 8,9 symmetries are loaded on glue tube base 10 two ends; Described lower contact 20 is connected with central tube 3 internal threads, is connected with cylinder sleeve 17 external screw threads, and piston 15 is equipped with safe shear pin 16 and lock ring 14 on the piston 15 between central tube 3 and cylinder sleeve 17; Described going up in the lower cone 6,13 all has key 5 and cone shear pin 7.
Described limit packing element (11) material is an ebonite, and middle packing element (12) material is a flexible glue.
Be piston between the utility model central tube and the cylinder sleeve, adorn safe shear pin and lock ring on the piston, after pressure reaches certain value, can realize setting automatically like this; Packing element part be designed to three-member type, symmetry is equipped with glue tube base on the packing element of limit, glue tube base two ends symmetry is equipped with the male and female tensioner ring, thereby has constituted the double shielding to the middle packing element that seals; The setting of last lower cone internal key makes to prevent effectively when boring the mill packer that lower cone and central tube from producing idle running that raising can be bored the milling efficient of packer.The utility model is simple in structure, sealing is reliable, good stability, easy to use, can be lowered to kits such as sealing intubate and starters, compares with common drillable packer, has reduced one-trip string.
Description of drawings
Below in conjunction with accompanying drawing the utility model band fluid cylinder drillable packer is described in further detail.
Fig. 1 is the structural representation of the utility model band fluid cylinder drillable packer.
Specific embodiment
As shown in Figure 1, the utility model band fluid cylinder drillable packer by sealing drum 1, sealing ring 2, central tube 3, go up lower slips 4, key 5, go up lower cone 6,13, cone shear pin 7, male and female tensioner ring 8,9, glue tube base 10, limit packing element 11, middle packing element 12, lock ring 14, piston 15), safe shear pin 16, cylinder sleeve 17, round section joint ring 18,19 and lower contact 21 form.
The special sawtooth pattern screw thread and the interior seal section that are connected with the sealing intubate are arranged on the sealing shroud 1, and directly be connected with central tube 3 with screw thread, in the last lower cone 6,13 key 5 is housed all, effectively prevents lower cone and central tube generation idle running on the part when boring the mill packer, raising can be bored the milling efficient of packer.
Packing element 11,12 is designed to three-member type; limit packing element 11 is the ebonite manufacturing, and middle packing element 12 is the flexible glue manufacturing, and symmetry is equipped with glue tube base 10 on the limit packing element 11; glue tube base two ends symmetry is equipped with male and female tensioner ring 8,9, has constituted the double shielding to the middle packing element that seals.
Round section joint ring 18,19 materials are identical, but the size difference.Lower contact 21 bottoms are tubing round thread, can connect other instrument as required, and internal thread that is connected with central tube 3 and the external screw thread that is connected with cylinder sleeve 17 are arranged at top, are piston 15 between central tube 3 and the cylinder sleeve 17, on adorn safe shear pin 16 and lock ring 14.
According to its structural principle, thereby minimumly during the work of the utility model band fluid cylinder drillable packer should be equipped with the sealing intubate and starter realizes that one-trip string sets completion.
During use, the utility model band fluid cylinder drillable packer bottom connects starter, top connects the sealing intubate, during work, by going into the well in proper order successively with required well tool G.I.H down, pipe arrangement post and sit well head after the school is dark, in oil pipe, drop into the steel ball of one piece of adapted, steel ball is fallen on the interior ball seat of starter and is blocked the downward passage of oil pipe, when oil pipe builds the pressure, it is end thrust that pressure enters the fluid cylinder internal conversion by the hydrophthalmia on the central tube 3 (20), promote piston 15, when pressure reaches certain value, safe shear pin 16 is cut off, piston 15 drive lock rings 14 and lower slips 4 are up, cut off the shear pin 7 on the lower cone, compression packing element 11,12, the male and female tensioner ring 8 of opening, 9 prolong 45 ° swells and is affixed to sleeve pipe, and pressure continues to increase, and last lower cone is burst lower slips 4 and is affixed to sleeve pipe, when pressure reaches the starter ball and sits the shear strength of shear pin, the starter ball is sat shear pin and is cut off, and the utility model band fluid cylinder drillable packer is finished and set, and last lower slips 4 plays fixedly packer, packing element seals, and 14 of lock rings work to keep the packer setting load.Continue to boost and light the igniter of perforating gun, but perforation normal after just open flow completion.
Can be lowered to special tool circulating valve is opened if need carry oil pipe, the kill-job that circulates is lifted the mouth that drives a well and is just being changeed oil pipe and just the sealing intubate can be opened from the utility model, proposes envelope intubate and above pipe string; Change layer position as if needing, being lowered to milling tool can grind off the utility model brill.
Claims (2)
1, band fluid cylinder drillable packer, mainly form by sealing drum (1), sealing ring (2), central tube (3), last lower slips (4), last lower cone (6), (13), male and female tensioner ring (8), (9), packing element assembly, cylinder sleeve (17), lower contact (21), it is characterized in that described packing element assembly comprises glue tube base (10), limit packing element (11), middle packing element (12), respectively there is packing element (11) on one side middle packing element (12) both sides, limit packing element (11) is gone up symmetry glue tube base (10) is housed, and male and female tensioner ring (8), (9) symmetry are loaded on glue tube base (10) two ends; Described lower contact (21) is connected with central tube (3) internal thread, is connected with cylinder sleeve (17) external screw thread, and piston (15) is positioned between central tube (3) and the cylinder sleeve (17), and safe shear pin (16) and lock ring (14) are housed on the piston (15); Described going up in lower cone (6), (13) all has key (5) and cone shear pin (7).
2, band fluid cylinder drillable packer according to claim 1 is characterized in that described limit packing element (11) material is an ebonite, and middle packing element (12) material is a flexible glue.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032035934U CN2599219Y (en) | 2003-02-18 | 2003-02-18 | Drilling type packer with hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU032035934U CN2599219Y (en) | 2003-02-18 | 2003-02-18 | Drilling type packer with hydraulic cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2599219Y true CN2599219Y (en) | 2004-01-14 |
Family
ID=34158185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU032035934U Expired - Lifetime CN2599219Y (en) | 2003-02-18 | 2003-02-18 | Drilling type packer with hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2599219Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425392A (en) * | 2011-12-27 | 2012-04-25 | 中国石油集团西部钻探工程有限公司 | Hydraulic sealing permanent packer |
| WO2017198121A1 (en) * | 2016-05-20 | 2017-11-23 | 天鼎联创密封技术（北京）有限公司 | Rubber cylinder having higher stiffness in upper end portion, packer, and bridge plug |
| CN109563734A (en) * | 2016-09-14 | 2019-04-02 | 哈利伯顿能源服务公司 | Well bore isolation device with telescopic assembly system |
-
2003
- 2003-02-18 CN CNU032035934U patent/CN2599219Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425392A (en) * | 2011-12-27 | 2012-04-25 | 中国石油集团西部钻探工程有限公司 | Hydraulic sealing permanent packer |
| CN102425392B (en) * | 2011-12-27 | 2014-07-30 | 中国石油集团西部钻探工程有限公司 | Hydraulic sealing permanent packer |
| WO2017198121A1 (en) * | 2016-05-20 | 2017-11-23 | 天鼎联创密封技术（北京）有限公司 | Rubber cylinder having higher stiffness in upper end portion, packer, and bridge plug |
| CN109563734A (en) * | 2016-09-14 | 2019-04-02 | 哈利伯顿能源服务公司 | Well bore isolation device with telescopic assembly system |
| CN109563734B (en) * | 2016-09-14 | 2021-04-23 | 哈利伯顿能源服务公司 | Wellbore isolation device with telescoping assembly system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20130218 Granted publication date: 20040114 |