CN208203210U - Compensation hydraulic blowout preventer and compensation hydraulic well-sealing device - Google Patents
Compensation hydraulic blowout preventer and compensation hydraulic well-sealing device Download PDFInfo
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- CN208203210U CN208203210U CN201820253394.5U CN201820253394U CN208203210U CN 208203210 U CN208203210 U CN 208203210U CN 201820253394 U CN201820253394 U CN 201820253394U CN 208203210 U CN208203210 U CN 208203210U
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Abstract
本实用新型涉及封井装置技术领域，是一种液压补偿封井器和液压补偿封井装置，前者一种液压补偿封井器，包括外筒总成、上法兰盘、下法兰盘、支撑套和弹性芯套，安装环槽内由外向内依次套装有支撑套和弹性芯套，支撑套内侧和弹性芯套之间设有储液环腔；支撑套外侧的外筒总成上设有能将储液环腔和缓冲环腔连通的注液孔；后者包括液压补偿封井器和注液管串，注液管串包括快速接头、高压管线和手动泵，转换接头的外端通过快速接头连接有高压管线，高压管线的外端连接有手动泵。本实用新型结构合理而紧凑，使用方便，其通过支撑套和缓冲环腔的设置，使得本实用新型具有随动性，提高其密封效果，具有安全、省力、简便、环保的特点。
The utility model relates to the technical field of well sealing devices, and relates to a hydraulic compensation sealing device and a hydraulic compensation sealing device. The former is a hydraulic compensation sealing device, which includes an outer cylinder assembly, an upper flange, a lower flange, The support sleeve and the elastic core sleeve are fitted with the support sleeve and the elastic core sleeve in turn from outside to inside in the installation ring groove. There is a liquid storage ring cavity between the inner side of the support sleeve and the elastic core sleeve; There is a liquid injection hole that can connect the liquid storage ring cavity and the buffer ring cavity; the latter includes a hydraulic compensation sealer and a liquid injection pipe string, and the liquid injection pipe string includes a quick connector, a high-pressure pipeline and a manual pump, and the outer end of the conversion joint A high-pressure pipeline is connected through a quick connector, and the outer end of the high-pressure pipeline is connected with a manual pump. The utility model has a reasonable and compact structure and is easy to use. The setting of the support sleeve and the buffer ring cavity makes the utility model follow-up, improves its sealing effect, and has the characteristics of safety, labor saving, convenience and environmental protection.
Description
Technical field
It is a kind of compensation hydraulic blowout preventer and compensation hydraulic shut-in well dress the utility model relates to well-sealing device technical field
It sets.
Background technique
In oil-water well underground work, in order to make liquid in well not spill over pit shaft, well killing fluid is often required to use to put down
Weigh strata pressure, but well killing fluid will cause payzone pollution and even block, especially water-sensitive strata, will cause under oil well output
Drop, the problems such as water injection well is ineffective.Snubbing serving mode can effectively avoid pollution of the well killing fluid to payzone, to the maximum extent
The reset condition of payzone is kept, production capacity and recovery ratio are improved, reduces operating cost, safety and environmental protection makes to exploit potential and yield obtains
With maximum protection, meet Sustainable Development of Petroleum Resource strategy, advance is generally received and approved by each oil field.
The sealing control of oil jacket annulus pressure is one of major technique of snubbing serving, not only to solve oil jacket annulus
Static sealing problem will also solve the problems, such as the oil jacket annulus dynamic sealing for putting tubing string.In current controllable snubbing serving skill
In art, the sealing control of oil jacket annulus pressure compensates blowout preventer mainly by packing element fixed hydraulic and compensation hydraulic well-sealing device is real
It is existing.But this kind of blowout preventer has certain limitation, i.e., when putting tubing string, the unavoidable horizontal direction of tubing string is swung, and works as swing
When serious, compensation hydraulic blowout preventer and compensation hydraulic well-sealing device cannot be fully sealed, because of compensation hydraulic blowout preventer and liquid
The rubber of pressure compensation well-sealing device is fixed in blowout preventer, and when tubing string is swung, rubber side is compressed, opposite side
But it cannot follow up, the side that cannot be followed up will generate well liquid thorn leakage.This reduces the effects of snubbing serving.
Summary of the invention
The utility model provides a kind of compensation hydraulic blowout preventer and compensation hydraulic well-sealing device, overcomes above-mentioned existing skill
The deficiency of art, can effectively solve the existing shut-in well rubber of existing compensation hydraulic blowout preventer and compensation hydraulic well-sealing device cannot be with
Oil pipe radial deflection, poor sealing effect are also easy to produce the problem of well liquid thorn leaks phenomenon.
The technical solution of the utility model first is that being realized by following measures: a kind of compensation hydraulic blowout preventer, packet
Outer barrel assembly, upper flange plate, lower flange, support sleeve and elastic core retainer plate are included, outer barrel assembly upper end is fixed with upper flange plate, outer cylinder
Assembly lower end is fixed with lower flange, and outer barrel assembly inside middle portion is equipped with installation annular groove, installs ecto-entad in annular groove and successively covers
Equipped with support sleeve and elasticity core retainer plate, buffering ring cavity, support sleeve inside and bullet are equipped on the outside of support sleeve between outer barrel assembly inside
Property core retainer plate between be equipped with liquid storage ring cavity, the upper end of the upper end of support sleeve and elastic core retainer plate is fixedly installed togather, under support sleeve
End and the lower end of elastic core retainer plate are fixedly installed togather, and the middle part of support sleeve circumferentially has at least one that can be connected to buffering
The liquid drain hole of ring cavity and liquid storage ring cavity；Elastic core retainer plate hammers shape, the outer barrel assembly on the outside of support sleeve into shape in intermediate narrow wide the spinning in both ends
It is equipped with the liquid injection hole that liquid storage ring cavity can be connected to buffering ring cavity.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
On the inside of above-mentioned support set upper side and lower end inside can be respectively equipped with interior embedded annular groove, be set with position in interior embedded annular groove
Connection ring on the outside of elastic core retainer plate, connection ring inside are fixed with interior land, set on the outside of the elastic core retainer plate of corresponding interior land position
Have outer embedded annular groove, connection ring and support sleeve by least two circumferentially equally distributed connection bolt be fixedly mounted on one
Rise, interior land and elastic core retainer plate by least two circumferentially equally distributed connection bolt be fixedly installed togather.
Above-mentioned support sleeve can be two semicircular sleeves by the first longitudinal direction plane cutting of axis, and in each semicircular sleeve
Portion is equipped with a liquid drain hole；Connection ring and interior land are wholely set, and it is by the second longitudinal direction plane cutting of axis
Two semicircular rings, first longitudinal direction plane and the perpendicular shape of second longitudinal direction plane, each semicircular sleeve respectively by connection bolt and
Each semicircular ring is fixedly installed togather.
It is above-mentioned that sealing device can be equipped between the connection ring of upside and the mounting ring groove top portion of corresponding position, under being located at
Sealing device is equipped between the connection ring of side and the mounting ring trench bottom of corresponding position.
Above-mentioned sealing device can be O-ring seal, and seal groove is equipped at the top of the connection ring of upside, can be set in seal groove
There is the O-ring seal that can seal the gap between the outer barrel assembly of corresponding position on the upside of the connection ring；Connection ring positioned at downside
Bottom is equipped with seal groove, can be equipped with the O that can seal the gap between corresponding position outer barrel assembly on the downside of the connection ring in seal groove
Type sealing ring.
Above-mentioned outer barrel assembly may include upper bush and lower sleeve, and upper bush lower inside and upper bush upper outside fix peace
It is fitted together, forms installation annular groove between top and upper bush middle part lower section in the middle part of lower sleeve.
Upper sealing ring slot can be equipped at the top of above-mentioned upper flange plate, lower flange bottom is equipped with lower sealing ring slot.
Above-mentioned elasticity core retainer plate can be rubber core retainer plate.
The technical solution of the utility model second is that being realized by following measures: a kind of compensation hydraulic well-sealing device,
Including compensation hydraulic blowout preventer and liquid injection pipe string, liquid injection hole inside thread is connected with crossover sub, and the outer end of crossover sub is stretched out
On the outside of outer barrel assembly, liquid injection pipe string includes quick coupling, high pressure line and manual pump, and the outer end of crossover sub passes through quick coupling
It is connected with high pressure line, the outer end of high pressure line is connected with manual pump.
Here is the further optimization and/or improvements to above-mentioned utility model technical solution:
It can be equipped with threeway between above-mentioned high pressure line and manual pump, pressure gauge is installed on the third interface of threeway.
The utility model reasonable and compact in structure, it is easy to use, by the setting of support sleeve and buffering ring cavity, so that this
Utility model has trackability, improves sealing effect when its use, has the characteristics that safe, laborsaving, easy, environmentally friendly.
Detailed description of the invention
Attached drawing 1 is the main view broken section structural schematic diagram of the utility model embodiment 1.
Attached drawing 2 be attached drawing 1 A-A to schematic cross-sectional view.
Attached drawing 3 is the broken section structural schematic diagram of the utility model embodiment 2.
Coding in attached drawing is respectively as follows: 1 for upper flange plate, and 2 be lower flange, and 3 be support sleeve, and 4 be elastic core retainer plate, and 5 are
Ring cavity is buffered, 6 be liquid drain hole, and 7 be oil pipe, and 8 be connection ring, and 9 be interior land, and 10 be connection bolt, and 11 be O-ring seal, 12
It is lower sleeve for upper bush, 13,14 be upper sealing ring slot, and 15 be lower sealing ring slot, and 16 be quick coupling, and 17 be high pressure line,
18 be manual pump, and 19 be crossover sub, and 20 be liquid injection hole, and 21 be threeway, and 22 be seal washer, and 23 be pressure gauge.
Specific embodiment
The utility model is not limited by following embodiments, can technical solution according to the present utility model and actual conditions
Determine specific embodiment.
In the present invention, for ease of description, the description of the relative positional relationship of each component is according to specification
The Butut mode of attached drawing 1 is described, such as: front, rear, top, and bottom, left and right positional relationship be according to Figure of description 1
Butut direction determine.
The utility model is further described below with reference to examples and drawings:
Embodiment 1: as shown in attached drawing 1,2,3, which includes outer barrel assembly, upper flange plate 1, lower flange
Disk 2, support sleeve 3 and elastic core retainer plate 4, outer barrel assembly upper end are fixed with upper flange plate 1, and outer barrel assembly lower end is fixed with lower flange
2, outer barrel assembly inside middle portion is equipped with installation annular groove, installs ecto-entad in annular groove and is successively set with support sleeve 3 and elastic core retainer plate
4, buffering ring cavity 5 is equipped between 3 outside of support sleeve and outer barrel assembly inside, equipped with storage between 3 inside of support sleeve and elastic core retainer plate 4
The upper end of pendular ring chamber 24, the upper end of support sleeve 3 and elastic core retainer plate 4 is fixedly installed togather, the lower end of support sleeve 3 and elastic core retainer plate
4 lower end is fixedly installed togather, and the middle part of support sleeve 3 circumferentially has at least one that can be connected to buffering ring cavity 5 and storage
The liquid drain hole 6 of pendular ring chamber 24；Elastic core retainer plate 4 hammers shape into shape in intermediate narrow wide the spinning in both ends, sets on the outer barrel assembly in 3 outside of support sleeve
There is the liquid injection hole 20 that liquid storage ring cavity 24 can be connected to buffering ring cavity 5.In use, being infused by liquid injection hole 20 into the utility model
Enter high-pressure fluid, then the utility model is fixedly mounted on the preventer of well head by lower flange 2, elastic core retainer plate 4
The outer diameter that minimum diameter is less than oil pipe 7 can closely be wrapped in oil pipe 7 when by being lifted up oil pipe 7 on the inside of elastic core retainer plate 4
Outside, when radial deflection occurs for oil pipe 7, lantern ring made of elastic core retainer plate 4 and support sleeve 3 are fixed can be intracavitary in mounting ring
Radial deflection makes elastic core retainer plate 4 remain cladding and sealing to oil pipe 7, avoids the generation of well liquid thorn leakage phenomenon；This is practical
New structure is reasonable and compact, easy to use, by the setting of support sleeve 3 and buffering ring cavity 5, so that the utility model has
Trackability improves sealing effect when its use, has the characteristics that safe, laborsaving, easy, environmentally friendly.
Above-mentioned compensation hydraulic blowout preventer can be made further optimization and/or improvements according to actual needs:
As shown in attached drawing 1,2,3, on the inside of 3 upper end of support sleeve and lower end inside is respectively equipped with interior embedded annular groove, interior embedded ring
It is set with the connection ring 8 for being located at elastic 4 outside of core retainer plate in slot, interior land 9, corresponding interior 9 position of land are fixed on the inside of connection ring 8
Elastic core retainer plate 4 on the outside of be equipped with outer embedded annular groove, connection ring 8 and support sleeve 3 pass through at least two circumferentially equally distributed companies
Connecting bolt 10 is fixedly installed togather, and interior land 9 and elastic core retainer plate 4 pass through at least two circumferentially equally distributed connection bolts
10 are fixedly installed togather.Above-mentioned setting enables support sleeve 3 and elastic core retainer plate 4 to be sealingly mounted at together, guarantees leakproofness
With servo-actuated effect.
As shown in Fig. 2, support sleeve 3 is two semicircular sleeves by the first longitudinal direction plane cutting by axis, and each partly
The middle part of circle set is equipped with a liquid drain hole 6；Connection ring 8 and interior land 9 are wholely set, and it is by the second longitudinal direction by axis
Plane cutting is two semicircular rings, and first longitudinal direction plane and the perpendicular shape of second longitudinal direction plane, each semicircular sleeve pass through respectively
Connection bolt 10 and each semicircular ring are fixedly installed togather.Above-mentioned setting, the installation of set easy to support 3 and elastic core retainer plate 4 and
Disassembly.
As shown in attached drawing 1,2,3, sealing is equipped between the connection ring 8 of upside and the mounting ring groove top portion of corresponding position
Device is equipped with sealing device between the connection ring 8 of downside and the mounting ring trench bottom of corresponding position.Sealing device is set
It sets, guarantees the utility model integral sealing effect, prevent the leakage of high-pressure fluid.
Embodiment 1: as shown in attached drawing 1,2,3, sealing device is O-ring seal 11, is set at the top of the connection ring 8 of upside
Have a seal groove, can be equipped in seal groove can seal on the upside of the connection ring 8 between the outer barrel assembly of corresponding position gap it is O-shaped close
Seal 11；It is equipped with seal groove positioned at 8 bottom of connection ring of downside, it can be on the downside of the connection ring 8 and right equipped with that can seal in seal groove
Answer the O-ring seal 11 in gap between the outer barrel assembly of position.Above-mentioned setting, convenient for the installation and maintenance of sealing device.
As shown in attached drawing 1,3, outer barrel assembly includes upper bush 12 and lower sleeve 13,12 lower inside of upper bush and upper bush
12 upper outsides are fixedly installed togather, and 13 middle part top of lower sleeve and upper bush form installation annular groove between 12 middle part lower section.
When installation, first support sleeve 3 and elastic core retainer plate 4 can be fixedly installed togather, are packed into the installation annular groove of 13 upper inner of lower sleeve
It is interior, upper bush 12 is then being fixedly mounted on the top of lower sleeve 13, it is swift to operate, conveniently；Upper bush 12 and lower sleeve 13 it
Between can be connected through a screw thread and be fixedly installed togather, and O-ring seal 11 can be equipped with therebetween, be further ensured that practical
Novel sealing performance.
As shown in attached drawing 1,3, upper sealing ring slot 14 is equipped at the top of upper flange plate 1,2 bottom of lower flange is equipped with lower sealing ring
Slot 15.It, can be in upper sealing when the utility model is connect by upper flange plate 1 or lower flange 2 with other devices such as preventer
Pressure ring is set in annular groove 14 or lower sealing ring slot 15, to guarantee sealing effect.
As needed, elastic core retainer plate 4 can be rubber core retainer plate.Rubber material has the features such as elasticity is good, and intensity is high, utilizes it
Elastic core retainer plate 4 is made, is further ensured that the sealing effect of the utility model, and is able to extend the use longevity of the utility model
Life.
Embodiment 2: as shown in attached drawing 1,2,3, which includes compensation hydraulic blowout preventer and liquid injection pipe
String, liquid injection pipe string includes quick coupling 16, high pressure line 17 and manual pump 18, and 20 inside thread of liquid injection hole is connected with crossover sub
19, the outer end of crossover sub 19 is stretched out on the outside of outer barrel assembly, and the outer end of crossover sub 19 is connected with high pressure by quick coupling 16
Pipeline 17, the outer end of high pressure line 17 are connected with manual pump 18.Using manual pump 18 to carrying out high pressure inside the utility model
The injection of liquid, quick coupling 16 can quickly be connect with the outer end of crossover sub 19, easy to operate, quick.
Above-mentioned compensation hydraulic well-sealing device can be made further optimization and/or improvements according to actual needs:
As shown in attached drawing 1,2,3, threeway 21, the third interface of threeway 21 are equipped between high pressure line 17 and manual pump 18
On pressure gauge 23 is installed.Seal washer 22 can be set between threeway 21 and high pressure line 17, to improve the utility model
Leakproofness；It is equipped with threeway 21 between high pressure line 17 and manual pump 18, is connected with pressure gauge 23 on another interface of threeway 21.
Threeway 21 can be right-angle tee, seal washer 22 can be arranged, between threeway 21 and pressure gauge 23 to improve the utility model
Leakproofness；The pressure in pipeline can be monitored by pressure gauge 23, it, can be manual by unclamping when pressure value is greater than 14MP
The switch of pump 18 reduces pressure, high pressure line 17 and manual pump 18 is avoided to be damaged by high pressure.
The above technical characteristic constitutes the most preferred embodiment of the utility model, with stronger adaptability and best implementation
Effect can increase and decrease non-essential technical characteristic, according to actual needs to meet the needs of different situations.
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820253394.5U CN208203210U (en) | 2018-02-12 | 2018-02-12 | Compensation hydraulic blowout preventer and compensation hydraulic well-sealing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820253394.5U CN208203210U (en) | 2018-02-12 | 2018-02-12 | Compensation hydraulic blowout preventer and compensation hydraulic well-sealing device |
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| Publication Number | Publication Date |
|---|---|
| CN208203210U true CN208203210U (en) | 2018-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820253394.5U Active CN208203210U (en) | 2018-02-12 | 2018-02-12 | Compensation hydraulic blowout preventer and compensation hydraulic well-sealing device |
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| CN (1) | CN208203210U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115284637A (en) * | 2022-08-08 | 2022-11-04 | 无锡惠玺流体设备科技有限公司 | Method for preparing eccentric compensation joint and eccentric compensation joint thereof |
-
2018
- 2018-02-12 CN CN201820253394.5U patent/CN208203210U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115284637A (en) * | 2022-08-08 | 2022-11-04 | 无锡惠玺流体设备科技有限公司 | Method for preparing eccentric compensation joint and eccentric compensation joint thereof |
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