CN207905775U - A kind of solvable bridge plug - Google Patents
A kind of solvable bridge plug Download PDFInfo
- Publication number
- CN207905775U CN207905775U CN201820222569.6U CN201820222569U CN207905775U CN 207905775 U CN207905775 U CN 207905775U CN 201820222569 U CN201820222569 U CN 201820222569U CN 207905775 U CN207905775 U CN 207905775U
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- CN
- China
- Prior art keywords
- bridge plug
- solvable
- slips
- fixedly connected
- positioning
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- 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.)
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Abstract
The utility model discloses a kind of solvable bridge plugs, including being embedded in portion, bypass flow channel, sealant, the embedding hole of positioning, annular cranse and inner pore, the embedded portion side offers bypass flow channel, the sealant side offers the embedding hole of positioning, inner pore is offered on the inside of the annular cranse, the utility model is scientific and reasonable for structure, safe and convenient to use, and being provided with embedded portion makes connection of the bridge plug between external connection component more be fixed；The circulation of bridge plug edge can not be influenced before solvable ball is without dissolving by being provided with bypass flow channel；Being provided with sealant prevents extraneous dirt etc. from entering in bridge plug；It is more accurate to be provided with the installation positioning that the embedding hole of positioning makes bridge plug in connection；It is provided with annular cranse and improves the mechanical performance of bridge plug outer surface and anti-extrusion ability；Being provided with inner pore makes bridge plug stress caused by course of dissolution point more claim, and improves effect of the bridge plug in dissolving.
Description
Technical field
The utility model is related to solvable bridge plug technology field, specially a kind of solvable bridge plug.
Background technology
Application of the high intensity soluble material in downhole tool is nearly 2 years new technologies to grow up, current solvable bridge plug
Also it is mainly used in staged fracturing technique, in bridge plug during coming into operation, is hampered during bridge plug tripping in, careless slightly bridge
It fills in regard to premature setting, extreme influence duration and cost, and since well depth causes the common fast brill mill for boring bridge plug more difficult.
And big orifice bridge plug has limited to casing inner diameter, affects later stage more production operation requirements, shale gas buries depth, but by continuous
The limitation of oil pipe depth of implements is wanted to beat deeper well, bridge plug is lowered into deeper position but can not carry out, concurrent fracturing rear axle
Plug bores the time-consuming and laborious shale gas exploitation difficulty of mill and risk is higher, and in addition existing bridge plug is because of its company between external module
It connects, because it lacks the function of positioning, causes its positioning accuracy when mounted inaccurate, influence the using effect of bridge plug.
Utility model content
The utility model provides a kind of solvable bridge plug, can effectively solve oil well mentioned above in the background art and need to press
Well, gas well need to employ coiled tubing or workover rig with pressure, costly, and construction risk is high, and deep-well, ultradeep well bridge plug bore mill and be stranded
Difficulty, the construction time is long, influences fracturing fluid recovery (backflow) and Productivity Construction, pollutes stratum, and bridge plug bores the time-consuming and laborious page of mill after concurrent fracturing
Rock gas exploits difficulty and risk is higher, and in addition existing bridge plug is because of its connection between external module, because it lacks positioning
Function, the problems such as causing its positioning accuracy when mounted inaccurate, influence the using effect of bridge plug.
To achieve the above object, the utility model provides the following technical solutions：A kind of solvable bridge plug, including bridge plug ontology,
Be embedded in portion, solvable ball, ceramic particle, bypass flow channel, slips, interior straight slot, slips monomer, tapered portion, solvable packing element, sealant,
Annular guard ring, the embedding hole of positioning, locating notch, annular cranse, inner pore, dredges fin, inner spindle and external seal glue at belled body
Circle, one side end of bridge plug ontology are fixedly connected with embedded portion, and one side end of embedded portion is installed with solvable ball, institute
It states solvable ball side and ceramic particle is installed, the ceramic particle side offers bypass flow channel, one side end of embedded portion
It is fixedly connected with slips, edge offers interior straight slot on the inside of the slips, and the slips side is fixedly connected with tapered portion, described
Tapered portion side is sealedly connected with solvable packing element and does not have edge on the outside of the solvable packing element to be coated with sealant, the sealant outside
End is socketed with annular guard ring, and the bridge plug ontology end side is fixedly connected with belled body, on the outside of the belled body in
Portion offers the embedding hole of positioning, and one side end of the belled body offers locating notch, and lock ring has ring on the inside of the locating notch
Shape cranse, bridge plug ontology inside edge offers inner pore, is fixedly connected on the inside of the inner pore and dredges fin, described
It dredges fin middle inside and is provided with inner spindle, edge, which seals, on the outside of the inner spindle is socketed with external seal cushion rubber.
Preferably, it is fixedly connected by tapered portion between the embedded portion and belled body.
Preferably, it is provided with slips monomer on the inside of the interior straight slot.
Preferably, the external seal cushion rubber is a kind of component of soluble caulking gum material.
Preferably, the bridge plug ontology is a kind of component of soluble metal material.
Compared with prior art, the beneficial effects of the utility model：The utility model is scientific and reasonable for structure, side safe to use
Just, being provided with embedded portion makes connection of the bridge plug between external connection component more be fixed；Being provided with bypass flow channel can be
Solvable ball does not influence the circulation of bridge plug edge without dissolving before；Being provided with sealant prevents extraneous dirt etc. from entering bridge plug
It is interior；It is more accurate to be provided with the installation positioning that the embedding hole of positioning makes bridge plug in connection；Annular cranse is provided with to improve outside bridge plug
The mechanical performance on surface and anti-extrusion ability；Being provided with inner pore makes bridge plug stress caused by course of dissolution point more
Claim, improve effect of the bridge plug in dissolving, in addition the downhole tool of soluble metal material represents soluble material in oil field
The new technology of application, overall development trend are that local part is solvable to whole solvable.Domestic and international novel soluble material underground work
Tool application shows that high intensity soluble material tool has that intensity is high, mechanical property is good, the performances such as solvable, is greatly facilitated technique
The progress of technology, solves the problems, such as many present in current staged fracturing technique, has saved the construction time, improves production effect
Fruit.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the mounting structure schematic diagram of the utility model mandrel；
Figure label：1, bridge plug ontology；2, it is embedded in portion；3, solvable ball；4, ceramic particle；5, bypass flow channel；6, slips；7、
Interior straight slot；8, slips monomer；9, tapered portion；10, solvable packing element；11, sealant；12, annular guard ring；13, belled body；14、
Position embedding hole；15, locating notch；16, annular cranse；17, inner pore；18, fin is dredged；19, inner spindle；20, external seal glue
Circle.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
Embodiment：As shown in Figs. 1-2, the utility model provides a kind of technical solution, a kind of solvable bridge plug, including bridge plug sheet
Body 1 is embedded in portion 2, is solvable ball 3, ceramic particle 4, bypass flow channel 5, slips 6, interior straight slot 7, slips monomer 8, tapered portion 9, solvable
Packing element 10, sealant 11, annular guard ring 12, belled body 13, the embedding hole 14 of positioning, locating notch 15, annular cranse 16, inner pore
17, fin 18, inner spindle 19 and external seal cushion rubber 20 are dredged, 1 one side end of bridge plug ontology is fixedly connected with embedded portion 2, is embedded in
2 one side end of portion is installed with solvable ball 3, and 3 side of solvable ball is equipped with ceramic particle 4, and 4 side of ceramic particle offers side
Passage flow duct 5 is embedded in 2 one side end of portion and is fixedly connected with slips 6, and 6 inside edge of slips offers interior straight slot 7, and 6 side of slips is solid
Surely it is connected with tapered portion 9,9 side of tapered portion is sealedly connected with solvable packing element 10 and does not have 10 outside edge of solvable packing element to be coated with sealing
Layer 11,11 outboard end of sealant is socketed with annular guard ring 12, and 1 end side of bridge plug ontology is fixedly connected with belled body
13,13 outer middle side part of belled body offers the embedding hole 14 of positioning, and 13 1 side end of belled body offers locating notch 15, locating slot
15 inside lock rings of mouth have annular cranse 16,1 inside edge of bridge plug ontology to offer inner pore 17, and 17 inside of inner pore is fixedly connected
Fin 18 is dredged, 18 middle inside of fin is dredged and is provided with inner spindle 19,19 outside edge of inner spindle, which seals, to be socketed with outside
Sealing rubber ring 20.
For the ease of being embedded in connection between portion 2 and belled body 13, in the present embodiment, it is preferred that be embedded in portion 2 and belled body
It is fixedly connected by tapered portion 9 between 13.
It is more well-balanced in order to make the installation between slips 6 and interior straight slot 7 be distributed, in the present embodiment, it is preferred that interior straight slot 7
Inside is provided with slips monomer 8.
Has a higher leakproofness to make external seal cushion rubber 20, in the present embodiment, it is preferred that external seal cushion rubber 20 is one
The component of the soluble caulking gum material of kind.
In order to improve the solute effect of bridge plug ontology 1, in the present embodiment, it is preferred that bridge plug ontology 1 is a kind of soluble metal
The component of material.
The operation principle and process for using of the utility model：The embedded portion 2 of bridge plug ontology 1 and belled body 13 are passed through first
Hydraulic pressure or igniter carry out setting installation, and slips 6 and the slips monomer 8 on the inside of it can prevent bridge plug during setting
Ontology 1 generates biased being honored as a queen, position embedding hole 14 and locating notch 15 make bridge plug ontology 1 during installing setting with hole
Installation positioning between road is more accurate, further reduced the setting difficulty of bridge plug ontology 1, while solvable packing element 10 and sealing
Layer 11 can shut duct, make present its better tightness of being honored as a queen of bridge plug ontology 1, bypass flow channel 5 that solvable ball be made not dissolve it
The preceding circulation for not influencing bridge plug edge, annular guard ring 12 and annular cranse 16 improve itself anti-extrusion energy of bridge plug ontology 1
Power, make its between undissolved its own do not generate deformation, dissolve the basis established, external seal subsequent for bridge plug ontology 1
Cushion rubber 20 can prevent the present extraneous gas dirt etc. of being honored as a queen of bridge plug ontology 1 from entering in bridge plug ontology 1, to bridge plug ontology 1
It impacts, in addition inner pore 17 makes the generated internal stress in course of dissolution of bridge plug ontology 1 be distributed more with fin 18 is dredged
Add with improve dissolving and the plug envelope effect of bridge plug ontology 1.
Finally it should be noted that：The foregoing is merely the preferred embodiments of the utility model, are not limited to this reality
With novel, although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art is come
Say, still can with technical scheme described in the above embodiments is modified, or to which part technical characteristic into
Row equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, should all
It is included within the scope of protection of this utility model.
Claims (5)
1. a kind of solvable bridge plug, including bridge plug ontology (1), embedded portion (2), solvable ball (3), ceramic particle (4), bypass flow channel
(5), slips (6), interior straight slot (7), slips monomer (8), tapered portion (9), solvable packing element (10), sealant (11), ring protection
Circle (12), the embedding hole (14) of positioning, locating notch (15), annular cranse (16), inner pore (17), dredges fin at belled body (13)
(18), inner spindle (19) and external seal cushion rubber (20), it is characterised in that：(1) one side end of the bridge plug ontology is fixedly connected with
It is embedded in portion (2), (2) one side end of the embedded portion is installed with solvable ball (3), and solvable ball (3) side is equipped with pottery
Porcelain particle (4), ceramic particle (4) side offer bypass flow channel (5), and (2) one side end of the embedded portion is fixedly connected
There are slips (6), slips (6) inside edge to offer interior straight slot (7), slips (6) side is fixedly connected with tapered portion
(9), tapered portion (9) side is sealedly connected with solvable packing element (10) not have on the outside of the solvable packing element (10) edge be coated with close
Sealing (11), sealant (11) outboard end are socketed with annular guard ring (12), bridge plug ontology (1) end side
It is fixedly connected with belled body (13), the outer middle side part of the belled body (13) offers the embedding hole (14) of positioning, the belled body
(13) one side ends offer locating notch (15), and lock ring has annular cranse (16), the bridge on the inside of the locating notch (15)
Edge offers inner pore (17) on the inside of plug ontology (1), is fixedly connected on the inside of the inner pore (17) and dredges fin (18), institute
State and dredge fin (18) middle inside and be provided with inner spindle (19), on the outside of the inner spindle (19) edge seal be socketed with it is outer close
Sealing rubber ring (20).
2. a kind of solvable bridge plug according to claim 1, it is characterised in that：The embedded portion (2) and belled body (13) it
Between be fixedly connected by tapered portion (9).
3. a kind of solvable bridge plug according to claim 1, it is characterised in that：It is provided with slips on the inside of the interior straight slot (7)
Monomer (8).
4. a kind of solvable bridge plug according to claim 1, it is characterised in that：The external seal cushion rubber (20) is a kind of solvable
The component of property caulking gum material.
5. a kind of solvable bridge plug according to claim 1, it is characterised in that：The bridge plug ontology (1) is a kind of solvable gold
Belong to the component of material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820222569.6U CN207905775U (en) | 2018-02-08 | 2018-02-08 | A kind of solvable bridge plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820222569.6U CN207905775U (en) | 2018-02-08 | 2018-02-08 | A kind of solvable bridge plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207905775U true CN207905775U (en) | 2018-09-25 |
Family
ID=63563620
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820222569.6U Expired - Fee Related CN207905775U (en) | 2018-02-08 | 2018-02-08 | A kind of solvable bridge plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207905775U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020073349A1 (en) * | 2018-10-09 | 2020-04-16 | 成都维泰油气能源技术有限公司 | Mixture bridge plug |
-
2018
- 2018-02-08 CN CN201820222569.6U patent/CN207905775U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020073349A1 (en) * | 2018-10-09 | 2020-04-16 | 成都维泰油气能源技术有限公司 | Mixture bridge plug |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180925 Termination date: 20200208 |