CN108061625A - A kind of dismountable device for detecting sealability - Google Patents
A kind of dismountable device for detecting sealability Download PDFInfo
- Publication number
- CN108061625A CN108061625A CN201711266932.0A CN201711266932A CN108061625A CN 108061625 A CN108061625 A CN 108061625A CN 201711266932 A CN201711266932 A CN 201711266932A CN 108061625 A CN108061625 A CN 108061625A
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- China
- Prior art keywords
- pressure
- sleeve
- seal nipple
- openend
- detecting sealability
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/26—Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Examining Or Testing Airtightness (AREA)
Abstract
The present invention relates to sealing propertytest technical fields, disclose a kind of dismountable device for detecting sealability.Described device includes sleeve, seal nipple, pressure device and pressure gauge, the sleeve includes sealed end and openend, the seal nipple is threadedly coupled with the openend of the sleeve, the pressure device is arranged on by quick coupling on the seal nipple, pressure valve is provided in the quick coupling, the pressure gauge is arranged on the sealed end of the sleeve.The present invention can realize that positive pressure is up to the leakproofness pressure test of 120Mpa, solving in the prior art can only be by the way of vacuumizing for sealing propertytest, leakproofness is tested under negative pressure, and test pressure only only has 1Mpa, it is difficult to the problem of meeting under high pressure to sealing requirements.
Description
Technical field
The present invention relates to performing leak test technical fields, disclose a kind of dismountable device for detecting sealability
Background technology
LWD (Logging While Drilling) means " with well logging is bored ", and universal is said, except the survey for including MWD
It measures outside parameter, it is necessary to all or part of to have geologic parameter (such as：Resistivity logging while drilling, with bore gamma, with bore density, with drilling
Porosity etc.) and drilling engineering parameter (with boring drilling tool torque, being vibrated with brill, with brill bit pressure etc.).
LWD technologies are mainly used in differentiating stratum, differentiate oil gas water, judge the occasions such as formation variation, prediction high pressure formation,
Drilling period can be greatly shortened, reduces the soaking time of oil gas, oil layer pollution is gathered around in reduction.Due to the application scenario of LWD instruments
Mostly underground high-voltage test environment, so harsh requirement is proposed to the leakproofness of LWD instruments, if the sealing of LWD instruments
Property does not reach requirement, then liquid filling phenomenon, i.e., the geology mud under high pressure conditions etc. easily occurs in underground and passes through tool interface system
Equipment is poured into, significant impact is not only caused to measurement result, but also irreversible pollution damage is caused to LWD equipment.
To sum up, in order to ensure LWD instruments in underground acceptable safety operation, it is necessary to the leakproofness of LWD instruments is detected,
It is known that in liquid environment, depth of the product to the ability to bear of pressure to product in liquid environment is directly proportional, deep
Degree is deeper, and it is higher to bear the requirement of High Voltage ability to product, meanwhile, the pressure born is directly proportional to the pressure born, therefore
It requires product that can bear in some Code in Hazardous Special Locations higher eager to excel in whatever one does, is all for the test of the leakproofness of LWD in the prior art
In a manner that sealing vacuumizes, being sealed property is tested under negative pressure, and this test method can only realize the pressure of 1Mpa
Sealing demand therefore, it is necessary to research and develop a kind of positive seal detection device, ensures the leakproofness of LWD instruments, prevents leakproofness not
LWD instrument and equipments up to standard enter underground and carry out risky operation, also, leakproofness is tested in a manner of positive pressure, and obtaining one kind can
Meet the instrument of high-pressure tightness requirement.
The content of the invention
The technical problem to be solved by the present invention is in the prior art for sealing propertytest can only by the way of vacuumizing,
Leakproofness is tested under negative pressure, and test pressure only only has 1Mpa, it is difficult to the problem of meeting under high pressure to sealing requirements.
In order to solve the above technical problems, the invention discloses a kind of dismountable device for detecting sealability, including sleeve, close
Sealing joint, pressure device and pressure gauge, the sleeve include sealed end and openend, and the seal nipple is opened with the sleeve
Mouth end is threadedly coupled, and the pressure device is arranged on the seal nipple by quick coupling, is set in the quick coupling
There is pressure valve, the pressure gauge is arranged on the sealed end of the sleeve.
Further, external screw thread is provided on the pressure gauge, is provided on the sealed end of the sleeve and the outer spiral shell
The internal thread of line cooperation.Further, external screw thread is provided on the openend of the sleeve, is provided on the seal nipple
With the internal thread of external screw thread cooperation.
Further, it is provided with sealing ring between the seal nipple and the openend.
Further, relief hole is provided on the seal nipple, pressure release plug is installed on the relief hole.
As preference, it is threadedly coupled between the pressure release plug and the relief hole.
Further, it is provided on the seal nipple with the front of motor of the openend and carries silk convenient for lifting.
Further, described device further includes high pressure line, the pressure device by the high pressure line with it is described fast
Quick coupling connects.
As preference, the compressive region of the sleeve is 50-120Mpa.
Using above-mentioned technical proposal, dismountable device for detecting sealability of the present invention has as follows
Advantageous effect：
1) dismountable device for detecting sealability of the present invention is used in sleeve plus water, by pressure device 1 to
After squeezing into oil in sleeve, increase the pressure of sleeve, pressure rises soon, laborsaving.
2) dismountable device for detecting sealability of the present invention is pressurizeed by pressure device into sleeve, Neng Goushi
Existing positive pressure test leakproofness.
3) dismountable device for detecting sealability of the present invention can test the up to pressure of 120Mpa.
4) dismountable device for detecting sealability of the present invention is connected by quick coupling with seal nipple, installation side
Just, quickly, it and can dismantle, only need a pressure device for the performing leak test of multiple sleeves, it need not be each
Sleeve is equipped with a pressure device, has saved cost.
5) pressure gauge is arranged on to the sealed end of the sleeve in the present invention can monitor pressure in sleeve in real time,
An entirety is formed with the sleeve after installation, reduces the dismounting of pressure gauge, extends service life.
Description of the drawings
To describe the technical solutions in the embodiments of the present invention more clearly, make required in being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the present invention, for
For those of ordinary skill in the art, without creative efforts, other are can also be obtained according to these attached drawings
Attached drawing.
Fig. 1 is the structure diagram of dismountable device for detecting sealability described in embodiment one；
Fig. 2 is the explosive view of Fig. 1；
In figure, 1- pressure devices, 2- high pressure lines, 3- pressure gauges, 4- pressure release plugs, 5- seal nipples, 6- sleeves, 61-
Sealed end, 62- openends, 7- quick couplings, 8- pressure valve, 9- carry silk.
Specific embodiment
In order to which those skilled in the art is made to more fully understand the present invention program, below in conjunction in the embodiment of the present invention
The technical solution in the embodiment of the present invention is clearly and completely described in attached drawing, it is clear that described embodiment is only
The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's all other embodiments obtained without making creative work should all belong to the model that the present invention protects
It encloses.
" one embodiment " or " embodiment " referred to herein refers to may be included at least one realization method of the present invention
A particular feature, structure, or characteristic.In the description of the present invention, it is to be understood that term " on ", " top ", " bottom ", etc. instructions
Orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplification retouched
It states rather than indicates or imply signified device or element must have specific orientation, with specific azimuth configuration and operation,
Therefore it is not considered as limiting the invention.In addition, term " first ", " second " are only used for description purpose, without being understood that
To indicate or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Define as a result, " first ",
The feature of " second " can be expressed or what is implied includes one or more this feature.Moreover, term " first ", " second "
Etc. being for distinguishing similar object, without being used to describe specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so that the embodiment of the present invention described herein can be with except illustrating or retouching herein
Order beyond those stated is implemented.
Embodiment one：
To solve that sealing can only be tested under negative pressure by the way of vacuumizing for sealing propertytest in the prior art
Property, test pressure only only has 1Mpa, it is difficult to the problem of meeting under high pressure to sealing requirements.The present invention provides a kind of detachable
Device for detecting sealability, specifically, refering to Fig. 1 and Fig. 2, described device includes sleeve 6, seal nipple 5,1 and of pressure device
Pressure gauge 3, the sleeve 6 include sealed end 61 and openend 62,62 spiral shell of openend of the seal nipple 5 and the sleeve 6
Line connects, and the pressure device 1 is arranged on the seal nipple 5 by quick coupling 7, is provided in the quick coupling 7
Pressure valve 8, the pressure gauge 3 are arranged on the sealed end 61 of the sleeve 6.
Further, external screw thread is provided on the pressure gauge 3, be provided on the sealed end 61 of the sleeve 6 with it is described
The internal thread of external screw thread cooperation, the pressure gauge 3, which is connected through a screw thread, to be arranged on the sleeve 6, can monitor sleeve 6 in real time
Interior pressure.Further, handle is provided on the pressure device 1, it is convenient manually to suppress.
Specifically, the sealed end 61 of the sleeve 6 is integrally formed with the sleeve 6, the openend 62 of the sleeve 6 is set
There is external screw thread, be provided with the inside of the seal nipple 5 of the cooperation installation of openend 62 of the sleeve 6 and coordinate with the external screw thread
Internal thread, the external screw thread seals the openend 62 of the sleeve 6 after being screwed with screw-internal thread fit, as preference, institute
It states and is arranged with sealing ring on externally threaded excircle, it is to be understood that be arranged sealing ring on the externally threaded excircle
The leakproofness of seal nipple 5 and the openend 62 can be increased.Further, the seal nipple 5 is installed with openend 62
When can by by hand screw, can also be urgent by assembling and disassembling stand.
Further, described device further includes high pressure line 2, the pressure device 1 by high pressure line 2 with it is described quick
Connector 7 connects, and the high pressure line 2 can bear higher pressure, increases institute being suppressed by pressure device 1 into sleeve 6
When stating the pressure of sleeve 6, certain cushioning effect can be played by high pressure line 2, the change dramatically of pressure will not be caused.Tool
Body, the connection between the pressure device 1, high pressure line 2 and quick coupling 7 is connected through a screw thread, in connector
Place can wind raw material band, improve the leakproofness and compactness of junction.
Further, relief hole is provided on the seal nipple 5, pressure release plug 4 is installed on the relief hole.As
Preferably, it is connected through a screw thread between the pressure release plug 4 and the relief hole.Specifically, it is set on the seal nipple 5
The effect of relief hole is,, can be by disassembling pressure release plug when carrying out pressure release to sleeve 6 after the completion of the sleeve 6 is tested
Slow pressure release is carried out to sleeve 6 after 4, avoids the impact force of the unexpected pressure release of high pressure.
Further, it is provided on the seal nipple 5 with the front of motor of the openend 62 and carries silk convenient for lifting
9。
As preference, in the present embodiment, the pressure measurement scope of the pressure gauge 3 is 0-120Mpa, the sleeve by
Pressure scope is 50-120Mpa.It is understood that in the present embodiment by pressure rise to 120Mpa.It is understood that work as
After some pressure value that pressure in the sleeve 6 is pressurizeed in 0-120Mpa, the pressure gauge 3 is just shown with the pressure value
Show, as preference, in the present embodiment, pressure boost into the sleeve 6 to 120Mpa, at this point, the pressure gauge 3 with
120Mpa is shown.Further, be provided with pressure valve 8 in the quick coupling 7, when the pressure boost in the sleeve 6 extremely
After 120Mpa, pressure valve 8 is turned off, sleeve 6 is made to start the performing leak test of sleeve 6 using 120Mpa as test pressure.
As preference, water can be packed into the sleeve 6, the pressure device 1 is made to work in oil medium,
In this structure, compared with the structure of air dielectric, application similarly suppresses power, since the compressibility of liquid is small, the application
Structure sleeve it is same suppress power under, the ramp-up rate of pressure is fast, and attainable pressure is higher.
Further, for said structure, the principle of performing leak test is operated and is specifically summarized, specifically,
After water is packed into the sleeve 6, suppress into sleeve 6 to increase the pressure of sleeve 6 by pressure device 1 until 120Mpa,
Then, the pressure valve 8 is screwed into closing, whether the pressure in 60 points in interior observation pressure gauge 3 changes and described
Whether have on the outer surface of sleeve 6 oil or water exudation, if the pressure gauge 3 change or the outer surface of sleeve 6 on
There are water or oil exudation, then it represents that, the poor sealing of the sleeve 6.
Further, during above-mentioned experiment, in order to more accurately discharge the opening of the seal nipple 5 and sleeve 6
The leakage of the junction at end 62, being partially placed into water after can seal nipple 5 be connected with sleeve 6, by observing junction
Whether continuous air bubbles emerge and bubble emerge frequency is had to determine whether being that junction does not connect, if it is, tearing open
It is reinstalled after falling.If it is not, and pressure gauge 3 show value change or the outer surface of sleeve 6 on have water or oil
Exudation then further illustrates the poor sealing of sleeve 6.
Further, after pressurization is completed and closes pressure valve 8, pressure device 1 and high pressure line 2 can be dismantled,
For use in being sealed property of the cooperation again test with other sleeves 6, this dismountable performing leak test structure only needs
It wants a set of pressure device 1 that can realize the performing leak test of multiple sleeves 6, has saved cost, while it is empty to also save storage
Between.
Further, after the completion of performing leak test, by the way that the pressure release plug 4 is laid down from the relief hole, to set
Pressure release after cylinder 6 carries out slow pressure release or the pressure device 1, high pressure line 2 are dismantled.
Embodiment two：
This gives the explanation of another seal pressure using the present apparatus, specifically, as depicted in figs. 1 and 2,
Described device includes sleeve 6, seal nipple 5, pressure device 1 and pressure gauge 3, and the sleeve 6 includes sealed end 61 and openend
62, the seal nipple 5 is threadedly coupled with the openend 62 of the sleeve 6, and the pressure device 1 is set by quick coupling 7
On the seal nipple 5, pressure valve 8 is provided in the quick coupling 7, the pressure gauge 3 is arranged on the close of the sleeve 6
Sealing end 61.
Further, external screw thread is provided on the pressure gauge 3, be provided on the sealed end 61 of the sleeve 6 with it is described
The internal thread of external screw thread cooperation, the pressure gauge 3, which is connected through a screw thread, to be arranged on the sleeve 6, can monitor sleeve 6 in real time
Interior pressure.
Further, handle is provided on the pressure device 1, it is convenient manually to suppress.
Specifically, the sealed end 61 of the sleeve 6 seals after being integrally formed with the sleeve 6, the openend of the sleeve 6
62 are provided with external screw thread, are provided with and the outer spiral shell with the inside of the seal nipple 5 of the cooperation installation of openend 62 of the sleeve 6
The internal thread of line cooperation, the external screw thread seals the openend 62 of the sleeve 6 after being screwed with screw-internal thread fit, as preferred
, the junction of the openend 61 of the sleeve 6 and the seal nipple 5 is further, described by raw material band auxiliary seal
Seal nipple 5 can be by screwing when being installed with openend 62 by hand, can also be urgent by assembling and disassembling stand.
Further, described device further includes high pressure line 2, the pressure device 1 by high pressure line 2 with it is described quick
Connector 7 connects, and the high pressure line 2 can bear higher pressure, increases institute being suppressed by pressure device 1 into sleeve 6
When stating the pressure of sleeve 6, certain cushioning effect can be played by high pressure line 2, the change dramatically of pressure will not be caused.Tool
Body, the connection between the pressure device 1, high pressure line 2 and quick coupling 7 is connected through a screw thread, in connector
Place can wind raw material band, improve the leakproofness and compactness of junction.
Further, relief hole is provided on the seal nipple 5, pressure release plug 4 is installed on the relief hole.As
Preferably, it is connected through a screw thread between the pressure release plug 4 and the relief hole.It is let out specifically, being set on institute's seal nipple 5
The effect in pressure hole is,, can be by disassembling pressure release plug 4 when carrying out pressure release to sleeve 6 after the completion of the sleeve 6 is tested
Slow pressure release is carried out to sleeve 6 afterwards, avoids the impact force of the unexpected pressure release of high pressure.
Further, it is provided on the seal nipple 5 with the front of motor of the openend 62 and carries silk convenient for lifting
9。
As preference, in the present embodiment, the pressure measurement scope of the pressure gauge 3 is 0-1200Mpa, the sleeve by
Pressure scope is 50-120Mpa.It is understood that when some pressure in 0-120Mpa that the pressure in the sleeve 6 is pressurizeed
After force value, the pressure gauge 3 is just shown with the pressure value, as preference, in the present embodiment, the pressure into the sleeve 6
Power is pressurized to 50Mpa, at this point, the pressure gauge 3 is shown with 50Mpa.Further, it is provided with pressure in the quick coupling 7
Valve 8 after the pressure boost in the sleeve 6 is to 50Mpa, pressure valve 8 is turned off, sleeve 6 is made to be opened by test pressure of 50Mpa
The performing leak test of beginning sleeve 6.
As preference, water can be packed into the sleeve 6, the pressure device 1 is made to work in oil medium,
In this structure, compared with the structure of air dielectric, application similarly suppresses power, since the compressibility of liquid is small, the application
Structure sleeve it is same suppress power under, the ramp-up rate of pressure is fast, and attainable pressure is higher.
Further, for said structure, the principle of performing leak test is operated and is specifically summarized, specifically,
After water is packed into the sleeve 6, suppress into sleeve 6 to increase the pressure of sleeve 6 by pressure device 1 until 50Mpa, with
Afterwards, the pressure valve 8 is screwed into closing, the pressure in 30 points in interior observation pressure gauge 3 whether changes and the set
Cylinder 6 outer surface on whether have oil or water exudation, if the pressure gauge 3 change or the outer surface of sleeve 6 on have
Water or oil exudation, then it represents that, the poor sealing of the sleeve 6.
Further, during above-mentioned experiment, in order to more accurately discharge the opening of the seal nipple 5 and sleeve 6
The leakage of the junction at end 62, being partially placed into water after can seal nipple 5 be connected with sleeve 6, by observing junction
Whether continuous air bubbles emerge and bubble emerge frequency is had to determine whether being that junction does not connect, if it is, tearing open
It is reinstalled after falling.If it is not, and pressure gauge 3 show value change or the outer surface of sleeve 6 on have water or oil
Exudation then further illustrates the poor sealing of sleeve 6.
Further, after pressurization is completed and closes pressure valve 8, pressure device 1 and high pressure line 2 can be dismantled,
For use in the performing leak test of other sleeves 6, this dismountable performing leak test structure only needs a set of pressure device 1
It can realize the performing leak test of multiple sleeves 6, save cost, while also saved memory space.
Further, after the completion of performing leak test, by the way that the pressure release plug 4 is laid down from the relief hole, to set
Pressure release after cylinder 6 carries out slow pressure release or the pressure device 1, high pressure line 2 are dismantled.
Further, in the above-described embodiments, the sleeve 6 can realize the performing leak test under 50-120Mpa pressure,
User can be pressurized to required pressure into sleeve 6 as needed, meanwhile, more accurate leakproofness in order to obtain, user
The dwell time can suitably be increased as needed.
Further, in the above-described embodiments, the pressure device can also be aqueous medium, i.e., to the sleeve for filling water
Water is inside suppressed, increases sleeve force due to centrifugal action.
The foregoing is merely presently preferred embodiments of the present invention, is not intended to limit the invention, it is all the present invention spirit and
Within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention.
Claims (9)
1. a kind of dismountable device for detecting sealability, which is characterized in that including sleeve (6), seal nipple (5), pressure device
(1) and pressure gauge (3), the sleeve (6) include sealed end (61) and openend (62), the seal nipple (5) and the set
The openend (62) of cylinder (6) is threadedly coupled, and the pressure device (1) is arranged on the seal nipple (5) by quick coupling (7)
On, pressure valve (8) is provided on the quick coupling (7), the pressure gauge (3) is arranged on the sealed end of the sleeve (6)
(61)。
2. dismountable device for detecting sealability according to claim 1, which is characterized in that set on the pressure gauge (3)
External screw thread is equipped with, the internal thread with external screw thread cooperation is provided on the sealed end (61) of the sleeve (6).
3. dismountable device for detecting sealability according to claim 1, which is characterized in that the opening of the sleeve (6)
External screw thread is provided on end (62), the internal thread with external screw thread cooperation is provided on the seal nipple (5).
4. dismountable device for detecting sealability according to claim 1 or 3, which is characterized in that the seal nipple (5)
Sealing ring is provided between the openend (62).
5. dismountable device for detecting sealability according to claim 4, which is characterized in that on the seal nipple (5)
Relief hole is provided with, pressure release plug (4) is installed on the relief hole.
6. dismountable device for detecting sealability according to claim 5, which is characterized in that the pressure release plug (4) with
It is threadedly coupled between the relief hole.
7. dismountable device for detecting sealability according to claim 6, which is characterized in that on the seal nipple (5)
It is provided with the front of motor of the openend (62) and carries silk (9) convenient for lifting.
8. dismountable device for detecting sealability according to claim 1, which is characterized in that described device further includes high pressure
Pipeline (2), the pressure device (1) are connected by the high pressure line (2) with the quick coupling (7).
9. dismountable device for detecting sealability according to claim 1, which is characterized in that the compression of the sleeve (6)
Scope is 50-120Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711266932.0A CN108061625A (en) | 2017-11-30 | 2017-11-30 | A kind of dismountable device for detecting sealability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711266932.0A CN108061625A (en) | 2017-11-30 | 2017-11-30 | A kind of dismountable device for detecting sealability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108061625A true CN108061625A (en) | 2018-05-22 |
Family
ID=62136185
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711266932.0A Pending CN108061625A (en) | 2017-11-30 | 2017-11-30 | A kind of dismountable device for detecting sealability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108061625A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176047A (en) * | 2021-03-22 | 2021-07-27 | 中国石油天然气股份有限公司 | Sealing section detection device and method |
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| CN104568342A (en) * | 2014-12-31 | 2015-04-29 | 贝兹维仪器(苏州)有限公司 | Sealing performance detecting device for LWD |
| CN104697730A (en) * | 2015-03-18 | 2015-06-10 | 中煤特殊凿井有限责任公司 | Detection device for detecting tightness of freezing pipe |
| CN204612876U (en) * | 2015-03-24 | 2015-09-02 | 北京波特光盛石油技术有限公司 | Compensate film pick-up unit auxiliary member and compensate film pick-up unit |
| CN204630841U (en) * | 2015-04-28 | 2015-09-09 | 中国石油天然气股份有限公司 | A kind of proof to external pressure proving installation |
| CN205538123U (en) * | 2016-04-11 | 2016-08-31 | 中广核核电运营有限公司 | Nuclear power station safety dedicated system pump package temperature probe's seal tightness test device |
| CN207600685U (en) * | 2017-11-30 | 2018-07-10 | 贝兹维仪器(苏州)有限公司 | A kind of dismountable device for detecting sealability |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN201434753Y (en) * | 2009-04-28 | 2010-03-31 | 中国石油集团西部钻探工程有限公司吐哈钻井公司 | Pressure testing tool for self sealed pipe joints |
| CN103364149A (en) * | 2013-07-29 | 2013-10-23 | 天津六〇九电缆有限公司 | Testing device and testing method for water tightness of cable |
| CN104568342A (en) * | 2014-12-31 | 2015-04-29 | 贝兹维仪器(苏州)有限公司 | Sealing performance detecting device for LWD |
| CN104697730A (en) * | 2015-03-18 | 2015-06-10 | 中煤特殊凿井有限责任公司 | Detection device for detecting tightness of freezing pipe |
| CN204612876U (en) * | 2015-03-24 | 2015-09-02 | 北京波特光盛石油技术有限公司 | Compensate film pick-up unit auxiliary member and compensate film pick-up unit |
| CN204630841U (en) * | 2015-04-28 | 2015-09-09 | 中国石油天然气股份有限公司 | A kind of proof to external pressure proving installation |
| CN205538123U (en) * | 2016-04-11 | 2016-08-31 | 中广核核电运营有限公司 | Nuclear power station safety dedicated system pump package temperature probe's seal tightness test device |
| CN207600685U (en) * | 2017-11-30 | 2018-07-10 | 贝兹维仪器(苏州)有限公司 | A kind of dismountable device for detecting sealability |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113176047A (en) * | 2021-03-22 | 2021-07-27 | 中国石油天然气股份有限公司 | Sealing section detection device and method |
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