CN110306962A - Fracturing unit super-pressure pressure relief device - Google Patents
Fracturing unit super-pressure pressure relief device Download PDFInfo
- Publication number
- CN110306962A CN110306962A CN201910557758.8A CN201910557758A CN110306962A CN 110306962 A CN110306962 A CN 110306962A CN 201910557758 A CN201910557758 A CN 201910557758A CN 110306962 A CN110306962 A CN 110306962A
- Authority
- CN
- China
- Prior art keywords
- clamp nut
- crossover sub
- plug
- pressure
- apparatus body
- 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.)
- Pending
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
Abstract
The present invention relates to a kind of fracturing unit super-pressure pressure relief devices, including retaining ring, clamp nut, plug；Plug is the cylinder that section is T font, is made of the smaller diameter end in left side and the larger diameter end on right side, and the blind hole of left and right directions is internally provided with, and the right side of larger diameter end is provided with the first sealing conehead, and the first sealing conehead is equipped with the aperture communicated with blind hole；The through-hole that section is T-type also is provided with inside clamp nut；Plug is inserted in the through-hole of clamp nut, and clamp nut is exposed at both ends, and is equipped with circlip groove, and retaining ring is mounted on circlip groove；The sealing conehead of plug exposes the right side of clamp nut；Right half part on the outside of clamp nut is equipped with clamp nut external screw thread.The present invention provides a kind of fracturing unit super-pressure pressure relief devices, can effectively solve the problem of falling off when the fracturing units such as pressure break valve, fracture manifold often pierce bad apparatus body and operation in pressure release, play the role of pressure release and protection ontology.
Description
Technical field
The present invention relates to oil and natural gas drilling-production equipment fields, more particularly to a kind of super-pressure pressure release of fracturing unit
Device.
Background technique
During the pressure break mining operations of petroleum resources, existing fracturing unit super-pressure pressure relief device usually uses needle-like
Shut-off valve or small plug carry out pressure release, to complete the disassembling, assembling and replacing operation procedure after pressure release, in pressure leak process, due to high pressure
Medium especially gas leads to needle-valve or apparatus body sealing surface in when containing sand, regular thorn bad conical seal (contact) face
Seal actual effect, higher cost when needing repairing, Yao Genghuan ontology the latter's ultra-high pressure needle valve, to operation bring economic loss with
And influence live pressure break, the job engineering progress of pilot production.Conventional pressure relief device needs to pay attention to anticreep when disassembly, uses
Two spanners are carried out while being operated, cumbersome, are easy to produce security risk.
Summary of the invention
In order to solve the above technical problems, can effectively be solved the present invention provides a kind of fracturing unit super-pressure pressure relief device
The problem of falling off when certainly the fracturing units such as pressure break valve, fracture manifold often pierce bad apparatus body and operation in pressure release, plays
The effect of pressure release and protection ontology.
The technical solution adopted by the present invention to solve the technical problems is: a kind of fracturing unit super-pressure pressure relief device,
It includes retaining ring, clamp nut, plug；The plug is the cylinder that section is T font, smaller diameter end and right side by left side
Larger diameter end composition, is internally provided with the blind hole of left and right directions, blind hole is provided with opening on the left side of smaller diameter end, greatly
The right side of diameter end is provided with the first sealing conehead, the position to keep left on the first sealing conehead be provided with communicated with blind hole it is small
Hole；The through-hole that section is T-type is also equipped with inside the clamp nut；The plug is inserted to the through-hole of clamp nut from right to left
In, the left side of clamp nut is exposed in the left end of plug, and the position in the left side on plug positioned at clamp nut left side is set
It is equipped with circlip groove, retaining ring is mounted on circlip groove；The sealing conehead of the plug exposes the right side of clamp nut；The compression
Right half part on the outside of nut is provided with clamp nut external screw thread, for connecting with apparatus body.
When the clamp nut and apparatus body are locked, the conical surface of the first sealing conehead of plug and the conical surface of apparatus body
Contact forms sealing.
Crossover sub is additionally provided between the clamp nut and apparatus body；The inside of the crossover sub left end is arranged
There is crossover sub internal screw thread, crossover sub is threadedly coupled by crossover sub internal screw thread and clamp nut external screw thread with clamp nut
It is fixed；The right side of the crossover sub is provided with the second sealing conehead；The inside of the crossover sub is also equipped with right and left
To through-hole, the left end of through-hole be provided with first sealing conehead cooperation the conical surface, the right side in the outside of the crossover sub
Set up separately and be equipped with crossover sub external screw thread, for being connect with apparatus body.
When the clamp nut and crossover sub are locked, the conical surface of the first sealing conehead of plug and the through-hole of crossover sub
The taper-face contact of left end forms sealing.
When the crossover sub and apparatus body are locked, the conical surface of the second sealing conehead of crossover sub and apparatus body
Taper-face contact forms sealing.
Locking cap is also threaded on the right half part of the crossover sub；The crossover sub and apparatus body are locked
Afterwards, then by locking cap it locks, the locking anticreep for crossover sub.
Beneficial effects of the present invention: a kind of fracturing unit super-pressure pressure relief device of the invention can be used for fracturing unit
On ontology, maximum working pressure reaches 20000psi, and plug can directly be connect with apparatus body with clamp nut, can also lead to this turn
Changing-over head is connect with apparatus body；When needing pressure release, can directly rotate clamp nut makes plug and equipment book or turns
The sealing contact surface of changing-over head separates, and pressure is from the aperture and blind hole direct emission on plug；By the design of locking cap, turning
When dynamic clamp nut is separated with crossover sub, crossover sub will not be loosened by disassembly by the way, and crossover sub is de- when preventing from operating
It falls；Quick pressure releasing can be achieved, have the characteristics that operation is light, safe and reliable, versatile, economical and practical.
Detailed description of the invention
Fig. 1 is the schematic diagram of the fracturing unit super-pressure pressure relief device of embodiment one；
Fig. 2 is the schematic diagram of the plug of the fracturing unit super-pressure pressure relief device of embodiment one；
Fig. 3 is the schematic diagram of the clamp nut of the fracturing unit super-pressure pressure relief device of embodiment one；
Fig. 4 is the schematic diagram of the fracturing unit super-pressure pressure relief device of embodiment two；
Fig. 5 is the schematic diagram of the crossover sub of the fracturing unit super-pressure pressure relief device of embodiment two.
Specific embodiment
In order to deepen the understanding of the present invention, the present invention is done below in conjunction with drawings and examples and is further retouched in detail
It states, the embodiment is only for explaining the present invention, does not constitute and limits to protection scope of the present invention.
Embodiment one
As shown in Figure 1 to Figure 3, a kind of fracturing unit super-pressure pressure relief device is present embodiments provided, it includes retaining ring
1, clamp nut 2, plug 3；The plug is the cylinder that section is T font, by left side smaller diameter end 34 and right side it is big straight
Diameter end 35 forms, and is internally provided with the blind hole 36 of left and right directions, blind hole 36 is provided with out on the left side of smaller diameter end 34
Mouthful, the right side of larger diameter end 35 is provided with the first sealing conehead 32, the position to keep left on the first sealing conehead 32 be provided with
The aperture 33 that blind hole 36 communicates；The through-hole that section is T-type is also equipped with inside the clamp nut 2；The plug 3 is from right to left
It is inserted in the through-hole of clamp nut 2, the left side of clamp nut 2 is exposed in the left end of plug 3, and is located on plug 3 and compresses spiral shell
The position in the left side of female 2 left sides is provided with circlip groove 31, and retaining ring 1 is mounted on circlip groove 31；The sealing conehead of the plug 3
32 expose the right side of clamp nut 2；Right half part on the outside of the clamp nut is provided with clamp nut external screw thread 21, is used for
It is connect with apparatus body 6；When the clamp nut 2 is locked with apparatus body 6, the conical surface of the first sealing conehead 32 of plug 3 with
The taper-face contact of apparatus body 6 forms sealing.
The fracturing unit of the present embodiment super-pressure pressure relief device during installation first connects retaining ring, clamp nut and plug
Tipping is matched, and a plug widgets are formed, and then, is directly installed on 6 on apparatus body by clamp nut external screw thread, as letting out
Pressure device.
Embodiment two
As shown in Fig. 4 to Fig. 5, the difference from embodiment 1 is that the clamp nut 2 and apparatus bodies for the present embodiment
Crossover sub 4 is additionally provided between 6；Crossover sub internal screw thread 41, crossover sub are provided on the inside of 4 left end of crossover sub
4 are threadedly coupled fixation with clamp nut by crossover sub internal screw thread 41 and clamp nut external screw thread 21；The crossover sub 4
Right side is provided with the second sealing conehead 43；The inside of the crossover sub 4 is also equipped with the through-hole 44 of left and right directions, through-hole 44
Left end be provided with first sealing conehead 32 cooperate the conical surface, the right half part in the outside of the crossover sub 4 be provided with turn
Changing-over head external screw thread 42, for being connect with apparatus body 6；When the clamp nut 2 is locked with crossover sub 4, the first of plug 3
The taper-face contact for sealing the conical surface of conehead 32 and 44 left end of through-hole of crossover sub 4 forms sealing；The crossover sub 4 and equipment
When ontology 6 is locked, the conical surface of the second sealing conehead 43 and the taper-face contact of apparatus body 6 of crossover sub 4 are formed and are sealed；It is described
Locking cap 5 is also threaded on the right half part of crossover sub 4；After the crossover sub 4 is locked with apparatus body 6, then lead to
Cross the locking of locking cap 5, the locking anticreep for crossover sub 4.
The fracturing unit of the present embodiment super-pressure pressure relief device is during installation first connected locking cap 5 by standard thread
It is connected on crossover sub, rotation is on the position far from apparatus body, after installing locking cap, then crossover sub is led to
It crosses and is threaded on apparatus body, position contact to be sealed is simultaneously upper next, re-tightens locking cap, plays the role of locking, anticreep；
Then, the plug widgets for installing embodiment one, by the threaded connection crossover sub on clamp nut, position contact to be sealed
It tightens afterwards and forms sealing.
The fracturing unit of above embodiments super-pressure pressure relief device when needing pressure release, directly turns when in use
Dynamic clamp nut separates plug and the sealing contact surface of apparatus body or crossover sub, and pressure aperture from plug is directly arranged
It puts into air, due to there is locking cap locking when rotation, crossover sub will not be loosened by disassembly by the way
The fracturing unit of above embodiments super-pressure pressure relief device, can be used on fracturing unit ontology, highest work pressure
Power reaches 20000psi (138Mpa), and plug can directly be connect with apparatus body with clamp nut, can also lead to this crossover sub with
Apparatus body connection；By the design of locking cap, when rotation clamp nut is separated with crossover sub, crossover sub will not be suitable
Band disassembly loosens, and crossover sub falls off when preventing from operating；Quick pressure releasing can be achieved, have operation light, safe and reliable, general
Strong, the economical and practical feature of property.
Above-described embodiment should not in any way limit the present invention, all to be obtained by the way of equivalent replacement or equivalency transform
Technical solution fall within the scope of protection of the present invention.
Claims (6)
1. a kind of fracturing unit super-pressure pressure relief device, it is characterised in that: including retaining ring, clamp nut, plug；The plug
It is the cylinder of T font for section, is made of the smaller diameter end in left side and the larger diameter end on right side, is internally provided with left and right directions
Blind hole, blind hole is provided with opening on the left side of smaller diameter end, and the right side of larger diameter end is provided with the first sealing conehead,
The position to keep left on first sealing conehead is provided with the aperture communicated with blind hole；Being also equipped with section inside the clamp nut is
The through-hole of T-type；The plug is inserted to from right to left in the through-hole of clamp nut, and the left end of clamp nut is exposed in the left end of plug
Face, and the position in the left side on plug positioned at clamp nut left side is provided with circlip groove, retaining ring is mounted on circlip groove；Institute
The sealing conehead for stating plug exposes the right side of clamp nut；Right half part on the outside of the clamp nut is provided with clamp nut
External screw thread, for being connect with apparatus body.
2. a kind of fracturing unit super-pressure pressure relief device according to claim 1, it is characterised in that: the clamp nut
When locking with apparatus body, the conical surface of the first sealing conehead and the taper-face contact of apparatus body of plug are formed and are sealed.
3. a kind of fracturing unit super-pressure pressure relief device according to claim 1, it is characterised in that: the clamp nut
Crossover sub is additionally provided between apparatus body；It is provided with crossover sub internal screw thread on the inside of the crossover sub left end, is turned
Changing-over head is threadedly coupled fixation with clamp nut by crossover sub internal screw thread and clamp nut external screw thread；The crossover sub
Right side is provided with the second sealing conehead；The inside of the crossover sub is also equipped with the through-hole of left and right directions, the left end of through-hole
It is provided with the conical surface with the first sealing conehead cooperation, the right half part in the outside of the crossover sub is provided with the outer spiral shell of crossover sub
Line, for being connect with apparatus body.
4. a kind of fracturing unit super-pressure pressure relief device according to claim 3, it is characterised in that: the clamp nut
When locking with crossover sub, the taper-face contact of the through-hole left end of the conical surface and crossover sub of the first sealing conehead of plug forms close
Envelope.
5. a kind of fracturing unit super-pressure pressure relief device according to claim 3, it is characterised in that: the crossover sub
When locking with apparatus body, the conical surface of the second sealing conehead and the taper-face contact of apparatus body of crossover sub are formed and are sealed.
6. a kind of fracturing unit super-pressure pressure relief device according to claim 3, it is characterised in that: the crossover sub
Right half part on be also threaded with locking cap；The crossover sub and apparatus body locking after, then by locking cap locking,
Locking anticreep for crossover sub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910557758.8A CN110306962A (en) | 2019-06-25 | 2019-06-25 | Fracturing unit super-pressure pressure relief device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910557758.8A CN110306962A (en) | 2019-06-25 | 2019-06-25 | Fracturing unit super-pressure pressure relief device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110306962A true CN110306962A (en) | 2019-10-08 |
Family
ID=68077515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910557758.8A Pending CN110306962A (en) | 2019-06-25 | 2019-06-25 | Fracturing unit super-pressure pressure relief device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110306962A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220478A (en) * | 2020-01-20 | 2020-06-02 | 中南大学 | High-temperature high-pressure supercritical carbon dioxide rock core cracking test device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2490726A1 (en) * | 1980-09-20 | 1982-03-26 | Bosch Gmbh Robert | STOP DEVICE FOR FUEL INJECTION PUMPS |
| CN2929427Y (en) * | 2006-05-15 | 2007-08-01 | 叶福西 | Plastic pipeline joint |
| CN202176810U (en) * | 2011-05-10 | 2012-03-28 | 厦门松霖科技有限公司 | Anti-scalding valve and shower head with same |
| CN204142457U (en) * | 2014-10-31 | 2015-02-04 | 苏州道森钻采设备股份有限公司 | Value pressure test is released joint frock |
| CN204627497U (en) * | 2015-02-04 | 2015-09-09 | 中国石油天然气股份有限公司 | Pressure release type end cap |
| CN207316111U (en) * | 2017-09-05 | 2018-05-04 | 济南隆利液压装置有限责任公司 | A kind of super-pressure hydraulic control check valve |
-
2019
- 2019-06-25 CN CN201910557758.8A patent/CN110306962A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2490726A1 (en) * | 1980-09-20 | 1982-03-26 | Bosch Gmbh Robert | STOP DEVICE FOR FUEL INJECTION PUMPS |
| CN2929427Y (en) * | 2006-05-15 | 2007-08-01 | 叶福西 | Plastic pipeline joint |
| CN202176810U (en) * | 2011-05-10 | 2012-03-28 | 厦门松霖科技有限公司 | Anti-scalding valve and shower head with same |
| CN204142457U (en) * | 2014-10-31 | 2015-02-04 | 苏州道森钻采设备股份有限公司 | Value pressure test is released joint frock |
| CN204627497U (en) * | 2015-02-04 | 2015-09-09 | 中国石油天然气股份有限公司 | Pressure release type end cap |
| CN207316111U (en) * | 2017-09-05 | 2018-05-04 | 济南隆利液压装置有限责任公司 | A kind of super-pressure hydraulic control check valve |
Non-Patent Citations (1)
| Title |
|---|
| 中国人民解放军总政治部文化部: "《发动发动机》", 30 June 1980, 中国电影出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111220478A (en) * | 2020-01-20 | 2020-06-02 | 中南大学 | High-temperature high-pressure supercritical carbon dioxide rock core cracking test device |
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Application publication date: 20191008 |