CN204492740U - A kind of open hole packer of novel improved structure - Google Patents
A kind of open hole packer of novel improved structure Download PDFInfo
- Publication number
- CN204492740U CN204492740U CN201520051507.XU CN201520051507U CN204492740U CN 204492740 U CN204492740 U CN 204492740U CN 201520051507 U CN201520051507 U CN 201520051507U CN 204492740 U CN204492740 U CN 204492740U
- Authority
- CN
- China
- Prior art keywords
- clasp
- sealing ring
- ring
- open hole
- hole packer
- 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 - Fee Related
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- Pressure Vessels And Lids Thereof (AREA)
Abstract
The utility model provides a kind of open hole packer of novel improved structure, comprises movable box cupling, sealing ring pressure cap, slide head, axle, key, clasp, nut, bolt, packing element assembly, metal ring, support ring, plug screw, locking pin, lower contact and sealing ring, described sealing ring pressure cap is arranged on the right side of movable lock ring; Described slide head is arranged on the right side of sealing ring pressure cap; Described axle is arranged on the bottom of slide head; Described key is arranged on the right side of axle; Described clasp is arranged on the right side of key; Described nut is arranged on the right side of the bottom of clasp; Described bolt is arranged on the downside of nut; Described packing element assembly is arranged on the right side of clasp.The setting of the utility model clasp, packing element assembly, metal ring and sealing ring, saves parking space, rational in infrastructure, make the setting better effects if of open hole packer, can be on time setting as the case may be, thus do not affect the pressing crack construction in later stage, decrease cost of manufacture, be convenient to throw in and produce.
Description
Technical field
The utility model belongs to oil exploration equipment field, particularly relates to a kind of open hole packer of novel improved structure.
Background technology
At present, low permeability oil field often has the features such as low, the low reserves abundance of Oil Layer Reservoir permeability, single well productivity be low.The general horizontal well that adopts is exploited low permeability oil field at present.Utilizing before horizontal well exploits, generally producing several separate cracks by the mode of staged fracturing and coming conducting oil reservoir and horizontal well pit shaft, thus finally reaching the object improving output.During staged fracturing of horizontal well, the equipment adopted is open hole packer.The operating position of open hole packer is in the horizontal bare hole section of horizontal well, the quality of its fracturing effect depend on the position that open hole packer sets in horizontal well and and the borehole wall between set effect (sealing effectiveness), because shaft bottom situation is complicated, strata pressure is high, than being easier to cause the packing element of packer and the borehole wall to set the bad or premature setting of effect under the effect of and friction irregular at the borehole wall, affect the problem of the pressing crack construction in later stage.
Therefore, the open hole packer inventing a kind of novel improved structure seems very necessary.
Summary of the invention
In order to solve the problems of the technologies described above, the utility model provides a kind of open hole packer of novel improved structure, is intended to solve the setting effect of existing open hole packer bad and setting in advance, affects the problem of the pressing crack construction in later stage.
For achieving the above object, the technical scheme that the utility model is taked is: a kind of open hole packer of novel improved structure, comprises movable box cupling, sealing ring pressure cap, slide head, axle, key, clasp, nut, bolt, packing element assembly, metal ring, support ring, plug screw, locking pin, lower contact and sealing ring, described sealing ring pressure cap is arranged on the right side of movable lock ring; Described slide head is arranged on the right side of sealing ring pressure cap; Described axle is arranged on the bottom of slide head; Described key is arranged on the right side of axle; Described clasp is arranged on the right side of key; Described nut is arranged on the right side of the bottom of clasp; Described bolt is arranged on the downside of nut; Described packing element assembly is arranged on the right side of clasp; Described metal ring is arranged on the right side of the edge of packing element assembly; Described support ring is arranged on the right side of metal ring; Described plug screw is arranged on the right side of metal ring inner; Described locking pin is arranged on the right side of plug screw; Described lower contact is arranged on the right side of locking pin; Described sealing ring is arranged on the right hand external of sealing ring pressure cap.
Described clasp comprises junction plate, clasp circle, fixing hole and set bolt, and described junction plate is arranged on the bottom of clasp; Described clasp circle is arranged on the both sides of junction plate; Described fixing hole is arranged on the side of clasp circle; Described set bolt is arranged in fixing hole.
Described clasp specifically adopts opposite opened clasp, is conducive to making open hole packer twocouese stressed, avoids side to damage, and causes setting effect to lose efficacy, thus better reach setting effect.
The ring bodies that described clasp circle specifically adopts ormolu to make, is conducive to the intensity better increasing clasp, reaches the effect repeatedly utilized.
Described set bolt specifically adopts the bolt of 2 stainless steel materials, is conducive to the intensity strengthening instrument.
Described packing element assembly is specifically adopted as the cuboid that polyurethane is made, and is conducive to better reaching sealing effectiveness, decreases cost of manufacture.
Described metal ring specifically adopts L shape stainless steel metal ring, is conducive to the intensity increasing metal ring, avoids the problem of stressed damage in setting procedure, the normal use of safeguards containment device.
Described sealing ring specifically adopts diameter to be the V-shaped seal ring of 7CM, is conducive to the sealing better playing sealing ring, makes open hole packer better reach sealing effectiveness.
Compared with prior art, the utility model has following beneficial effect: the setting of the utility model clasp, packing element assembly, metal ring and sealing ring, save parking space, rational in infrastructure, make the setting better effects if of open hole packer good, can be on time setting as the case may be, thus do not affect the pressing crack construction in later stage, decrease cost of manufacture, be convenient to throw in and produce.
Accompanying drawing explanation
Fig. 1 shows the structural representation of the open hole packer of a kind of novel improved structure according to the utility model embodiment.
Fig. 2 shows the structural representation of clasp in the open hole packer according to a kind of novel improved structure of the utility model embodiment.
The following drawings mark is marked by reference to the accompanying drawings on figure:
The movable box cupling of 1-, 2-sealing ring pressure cap, 3-slide head, 4-axle, 5-key, 6-clasp, 61-junction plate, 62-clasp circle, 63-fixing hole, 64-set bolt, 7-nut, 8-bolt, 9-packing element assembly, 10-metal ring, 11-support ring, 12-plug screw, 13-locking pin, 14-lower contact, 15-sealing ring.
Detailed description of the invention
Below with reference to the accompanying drawings and in conjunction with the embodiments, describe the present invention in detail.
As depicted in figs. 1 and 2, this novel open hole packer providing a kind of novel improved structure, comprises movable box cupling 1, sealing ring pressure cap 2, slide head 3, axle 4, key 5, clasp 6, nut 7, bolt 8, packing element assembly 9, metal ring 10, support ring 11, plug screw 12, locking pin 13, lower contact 14 and sealing ring 15, described sealing ring pressure cap 2 is arranged on the right side of movable lock ring 1; Described slide head is arranged on the right side of sealing ring pressure cap 2; Described axle 4 is arranged on the bottom of slide head 3; Described key 5 is arranged on the right side of axle 4; Described clasp 6 is arranged on the right side of key 5; Described nut 7 is arranged on the right side of the bottom of clasp 6; Described bolt 8 is arranged on the downside of nut 7; Described packing element assembly 9 is arranged on the right side of clasp 6; Described metal ring 10 is arranged on the right side of the edge of packing element assembly 9; Described support ring 11 is arranged on the right side of metal ring 10; Described plug screw 12 is arranged on the right side of metal ring 10 inner; Described locking pin 13 is arranged on the right side of plug screw 12; Described lower contact 14 is arranged on the right side of locking pin 13; Described sealing ring 15 is arranged on the right hand external of sealing ring pressure cap 2.
Described clasp comprises junction plate 61, clasp circle 62, fixing hole 63 and set bolt 64, and described junction plate 61 is arranged on the bottom of clasp 6; Described clasp circle 62 is arranged on the both sides of junction plate 61; Described fixing hole 63 is arranged on the side of clasp circle 62; Described set bolt 64 is arranged in fixing hole 63.
Described clasp 6 specifically adopts opposite opened clasp, is conducive to making open hole packer twocouese stressed, avoids side to damage, and cause setting effect to lose efficacy, thus better reach setting effect.
The ring bodies that described clasp circle 62 specifically adopts ormolu to make, is conducive to the intensity better increasing clasp, reaches the effect repeatedly utilized.
Described set bolt 64 specifically adopts the bolt of 2 stainless steel materials, is conducive to the intensity strengthening instrument.
Described packing element assembly 9 is specifically adopted as the cuboid that polyurethane is made, and is conducive to better reaching sealing effectiveness, decreases cost of manufacture.
Described metal ring 10 specifically adopts L shape stainless steel metal ring, is conducive to the intensity increasing metal ring, avoids the problem of stressed damage in setting procedure, the normal use of safeguards containment device.
Described sealing ring 15 specifically adopts diameter to be the V-shaped seal ring of 7CM, is conducive to the sealing better playing sealing ring, makes open hole packer better reach sealing effectiveness.
Compared with prior art, the utility model has following beneficial effect: the setting of the utility model clasp, packing element assembly, metal ring and sealing ring, save parking space, rational in infrastructure, make the setting better effects if of open hole packer good, can be on time setting as the case may be, thus do not affect the pressing crack construction in later stage, decrease cost of manufacture, be convenient to throw in and produce.
Utilize technical scheme described in the utility model, or those skilled in the art being under the inspiration of technical solutions of the utility model, designing similar technical scheme, and reach above-mentioned technique effect, is all fall into protection domain of the present utility model.
Claims (6)
1. the open hole packer of a novel improved structure, it is characterized in that, comprise movable box cupling (1), sealing ring pressure cap (2), slide head (3), axle (4), key (5), clasp (6), nut (7), bolt (8), packing element assembly (9), metal ring (10), support ring (11), plug screw (12), locking pin (13), lower contact (14) and sealing ring (15), described sealing ring pressure cap (2) is arranged on the right side of movable lock ring (1); Described slide head (3) is arranged on the right side of sealing ring pressure cap (2); Described axle (4) is arranged on the bottom of slide head (3); Described key (5) is arranged on the right side of axle (4); Described clasp (6) is arranged on the right side of key (5); Described nut (7) is arranged on the right side of the bottom of clasp (6); Described bolt (8) is arranged on the downside of nut (7); Described packing element assembly (9) is arranged on the right side of clasp (6); Described metal ring () 10 is arranged on the right side of the edge of packing element assembly (9); Described support ring (11) is arranged on the right side of metal ring (10); It is inner that described plug screw (12) is arranged on metal ring (10) right side; Described locking pin (13) is arranged on the right side of plug screw (12); Described lower contact (14) is arranged on the right side of locking pin (13); Described sealing ring (15) is arranged on the right hand external of sealing ring pressure cap (2); Described clasp comprises junction plate (61), clasp circle (62), fixing hole (63) and set bolt (64), and described junction plate (61) is arranged on the bottom of clasp (6); Described clasp circle (62) is arranged on the both sides of junction plate (61); Described fixing hole (63) is arranged on the side of clasp circle (62); Described set bolt (64) is arranged in fixing hole (63); Described clasp (6) specifically adopts opposite opened clasp.
2. the open hole packer of novel improved structure according to claim 1, is characterized in that, the ring bodies that described clasp circle (62) specifically adopts ormolu to make.
3. the open hole packer of novel improved structure according to claim 2, is characterized in that, described set bolt (64) specifically adopts the bolt of 2 stainless steel materials.
4. the open hole packer of novel improved structure according to claim 1, is characterized in that, described packing element assembly (9) is specifically adopted as the cuboid that polyurethane is made.
5. the open hole packer of novel improved structure according to claim 1, is characterized in that, described metal ring (10) specifically adopts L shape stainless steel metal ring.
6. the open hole packer of novel improved structure according to claim 1, is characterized in that, described sealing ring (15) specifically adopts diameter to be the V-shaped seal ring of 7CM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520051507.XU CN204492740U (en) | 2015-01-26 | 2015-01-26 | A kind of open hole packer of novel improved structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520051507.XU CN204492740U (en) | 2015-01-26 | 2015-01-26 | A kind of open hole packer of novel improved structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204492740U true CN204492740U (en) | 2015-07-22 |
Family
ID=53572063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520051507.XU Expired - Fee Related CN204492740U (en) | 2015-01-26 | 2015-01-26 | A kind of open hole packer of novel improved structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204492740U (en) |
-
2015
- 2015-01-26 CN CN201520051507.XU patent/CN204492740U/en not_active Expired - Fee Related
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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: 20150722 Termination date: 20160126 |
|
| EXPY | Termination of patent right or utility model |