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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- core retainer
- compensation hydraulic
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Abstract
The utility model relates to well-sealing device technical fields, it is a kind of compensation hydraulic blowout preventer and compensation hydraulic well-sealing device, a kind of the former compensation hydraulic blowout preventer, including outer barrel assembly, upper flange plate, lower flange, support sleeve and elastic core retainer plate, ecto-entad is successively set with support sleeve and elastic core retainer plate in installation annular groove, is equipped with liquid storage ring cavity between elastic core retainer plate on the inside of support sleeve；Outer barrel assembly on the outside of support sleeve is equipped with the liquid injection hole that can be connected to liquid storage ring cavity with buffering ring cavity；The latter includes compensation hydraulic blowout preventer and liquid injection pipe string, and liquid injection pipe string includes quick coupling, high pressure line and manual pump, and the outer end of crossover sub is connected with high pressure line by quick coupling, and the outer end of high pressure line is connected with manual pump.The utility model reasonable and compact in structure, it is easy to use, its sealing effect is improved, is had the characteristics that safe, laborsaving, easy, environmentally friendly so that the utility model has trackability by the setting of support sleeve and buffering ring cavity.
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)
1. a kind of compensation hydraulic blowout preventer, it is characterised in that a kind of compensation hydraulic blowout preventer, including outer barrel assembly, upper flange plate,
Lower flange, support sleeve and elastic core retainer plate, outer barrel assembly upper end are fixed with upper flange plate, and outer barrel assembly lower end is fixed with lower flange
Disk, outer barrel assembly inside middle portion are equipped with installation annular groove, install ecto-entad in annular groove and are successively set with support sleeve and elastic core retainer plate,
It is equipped with buffering ring cavity between on the outside of support sleeve and on the inside of outer barrel assembly, is equipped with liquid storage ring between elastic core retainer plate on the inside of support sleeve
The upper end of chamber, the upper end of support sleeve and elastic core retainer plate is fixedly installed togather, and the lower end of the lower end of support sleeve and elastic core retainer plate is solid
Dingan County is fitted together, and the middle part of support sleeve circumferentially has at least one that can be connected to the transparent liquid of buffering ring cavity and liquid storage ring cavity
Hole；Elastic core retainer plate hammers shape into shape in intermediate narrow wide the spinning in both ends, the outer barrel assembly on the outside of support sleeve be equipped with can by liquid storage ring cavity and
Buffer the liquid injection hole of ring cavity connection.
2. compensation hydraulic blowout preventer according to claim 1, it is characterised in that divide on the inside of support set upper side with lower end inside
Not She You interior embedded annular groove, the connection ring being located on the outside of elastic core retainer plate is set in interior embedded annular groove, is fixed on the inside of connection ring
Interior land, the elastic core retainer plate outside of corresponding interior land position are equipped with outer embedded annular groove, and connection ring and support sleeve pass through at least two
Circumferentially equally distributed connection bolt is fixedly installed togather, and interior land and elastic core retainer plate are circumferentially uniform by least two
The connection bolt of distribution is fixedly installed togather.
3. compensation hydraulic blowout preventer according to claim 2, it is characterised in that support sleeve is by the first longitudinal direction by axis
Plane cutting is two semicircular sleeves, and a liquid drain hole is equipped in the middle part of each semicircular sleeve；Connection ring and interior land are integrally set
It sets, and it is two semicircular rings by the second longitudinal direction plane cutting of axis, first longitudinal direction plane and second longitudinal direction plane are in
Vertical configuration, each semicircular sleeve are fixedly installed togather by connection bolt and each semicircular ring respectively.
4. compensation hydraulic blowout preventer according to claim 2 or 3, it is characterised in that connection ring and corresponding position positioned at upside
Sealing device is equipped between the mounting ring groove top portion set, between the connection ring of downside and the mounting ring trench bottom of corresponding position
Equipped with sealing device.
5. compensation hydraulic blowout preventer according to claim 4, it is characterised in that sealing device is O-ring seal, is located at upper
It is equipped with seal groove at the top of the connection ring of side, the outer barrel assembly that can seal connection ring upside and corresponding position can be equipped in seal groove
Between gap O-ring seal；It is equipped with seal groove positioned at the connection ring bottom of downside, can be equipped in seal groove can seal the connection
The O-ring seal in gap between ring downside and corresponding position outer barrel assembly.
6. compensation hydraulic blowout preventer described according to claim 1 or 2 or 3 or 5, it is characterised in that outer barrel assembly includes upper bush
And lower sleeve, upper bush lower inside and upper bush upper outside are fixedly installed togather, top and upper bush in the middle part of lower sleeve
Installation annular groove is formed between below middle part；Or/and upper sealing ring slot is equipped at the top of upper flange plate, lower flange bottom is equipped with down
Closure gasket groove；Or/and elastic core retainer plate is rubber core retainer plate.
7. compensation hydraulic blowout preventer according to claim 4, it is characterised in that outer barrel assembly includes upper bush and lower sleeve,
Upper bush lower inside and upper bush upper outside are fixedly installed togather, top and lower section in the middle part of upper bush in the middle part of lower sleeve
Between formed installation annular groove；Or/and upper sealing ring slot is equipped at the top of upper flange plate, lower flange bottom is equipped with lower sealing ring slot；
Or/and elastic core retainer plate is rubber core retainer plate.
8. a kind of shunt in a well using the compensation hydraulic of claims 1 or 2 or the 3 or 4 or 5 or 6 or 7 compensation hydraulic blowout preventers is filled
It sets, it is characterised in that including compensation hydraulic blowout preventer and liquid injection pipe string, liquid injection hole inside thread is connected with crossover sub, and conversion connects
The outer end of head is stretched out on the outside of outer barrel assembly, and liquid injection pipe string includes quick coupling, high pressure line and manual pump, the outer end of crossover sub
It is connected with high pressure line by quick coupling, the outer end of high pressure line is connected with manual pump.
9. compensation hydraulic well-sealing device according to claim 8, it is characterised in that be equipped between high pressure line and manual pump
Threeway is equipped with pressure gauge on the third interface of threeway.
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 |
Applications Claiming Priority (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 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208203210U true CN208203210U (en) | 2018-12-07 |
Family
ID=64534468
Family Applications (1)
| 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 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208203210U (en) |
-
2018
- 2018-02-12 CN CN201820253394.5U patent/CN208203210U/en active Active
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