CN107741306A - A kind of device for detecting sealability with doubles laminated structure - Google Patents
A kind of device for detecting sealability with doubles laminated structure Download PDFInfo
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- CN107741306A CN107741306A CN201711243136.5A CN201711243136A CN107741306A CN 107741306 A CN107741306 A CN 107741306A CN 201711243136 A CN201711243136 A CN 201711243136A CN 107741306 A CN107741306 A CN 107741306A
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- Prior art keywords
- pressure
- sleeve
- doubles
- seal nipple
- snap joint
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- 210000002445 nipple Anatomy 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims description 53
- 238000012360 testing method Methods 0.000 abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 15
- 238000005516 engineering process Methods 0.000 description 5
- 238000002474 experimental method Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 3
- 238000005553 drilling Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009530 blood pressure measurement Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000004088 simulation Methods 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000006399 behavior Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000004035 construction material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000002427 irreversible effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- 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 invention discloses a kind of device for detecting sealability with doubles laminated structure, including sleeve, seal nipple, first snap joint, second snap joint, first pressure device, second pressure device, first high pressure line and the second high pressure line, sleeve has sealed end and openend, sleeve is by openend with seal nipple with being connected, first pressure device is connected by the first snap joint with seal nipple, second pressure device is connected by the second snap joint with sealed end, first pressure valve and second pressure valve are respectively equipped with first high pressure line and the second high pressure line, seal nipple is provided with pressure gauge.The present invention carries out the performing leak test of sleeve by the pressure fetched water or bought oil into sleeve in increase sleeve, the condition of LWD instruments underground actual working environment can be simulated, compared with compressed air, pressure rise in sleeve is faster, it is time saving and energy saving, suppressed using two pressure devices, suppressed time can be saved, testing efficiency is high.
Description
Technical field
The present invention relates to construction material detection technology field, and in particular to a kind of sealing propertytest with doubles laminated structure
Device.
Background technology
Well logging (LWD) be grow up on the basis of measurement while drilling (MWD), for solving horizontal well and multi-branched
Well formation evaluation and geosteering while drilling and the emerging well logging comprehensive application technology to grow up.LWD technologies mainly should
Used in differentiating stratum, resolution aqueous vapor water, judging the occasions such as formation variation, prediction high pressure formation, drilling period can be greatly shortened,
The soak time of aqueous vapor is reduced, aquifer pollution is gathered around in reduction.Because the application scenario of LWD instruments is mostly underground high-voltage test environment,
Therefore, it is very high to sealing requirements.If the sealing of LWD instruments does not reach requirement, then liquid filling easily occurs in underground
Phenomenon, significant impact can be not only caused to measurement result, and irreversible pollution damage can be caused to LWD instruments.
In order to ensure LWD instruments in underground acceptable safety operation, LWD instruments are required for carrying out sealing inspection before going into the well
Survey.Existing LWD instruments device for detecting sealability is that LWD instruments and mechanical pump airtight connection are utilized into machinery by seal pipe
Air in pumped path, by pressure vacuum gauge measure pressure in sealing propertytest path be close to vacuum pressure,
The switch valve closed outside mechanical pump steam inlet stops pumping, and whether the negative pressure then observed in sealing propertytest path keeps not
Become, because this device for detecting sealability can only be tested under subnormal ambient, the underground that can not simulate LWD instrument applications is actual high
Pressure ring border, therefore, it is necessary to be improved to existing LWD instruments device for detecting sealability, LWD instruments reality can be met
The needs of application environment.
The content of the invention
In order to overcome deficiency of the prior art, it is an object of the invention to provide a kind of sealing with doubles laminated structure
Property detection means, the test device has the condition of simulation LWD instruments underground actual working environment, disclosure satisfy that its real work
The needs of pressure.
To reach above-mentioned purpose, the present invention uses following technical scheme：
A kind of device for detecting sealability with doubles laminated structure, including sleeve, seal nipple, the first snap joint,
Two snap joints, the first pressure device, the second pressure device, the first high pressure line and the second high pressure line,
The sleeve has sealed end and openend, and the sleeve passes through the openend and the seal nipple and company
Connect,
First pressure device is connected by first snap joint with the seal nipple, and described second suppresses dress
Put and be connected by second snap joint with the sealed end,
First pressure valve and second pressure valve, institute are respectively equipped with first high pressure line and second high pressure line
State seal nipple and be provided with pressure gauge.
Preferably, first pressure device and second pressure device pass through first high pressure line and institute respectively
The second high pressure line is stated to be connected with first snap joint and second snap joint.
Preferably, the openend is provided with external screw thread, and the seal nipple is provided with what is be engaged with the external screw thread
Internal thread.
Preferably, sealing ring is provided between the seal nipple and the openend.
Preferably, relief hole is further opened with the seal nipple, pressure release plug is installed on the relief hole.
Preferably, it is to be threadedly coupled between the pressure release plug and the relief hole.
Preferably, the seal nipple, which is provided with, is easy to what is lifted to carry silk.
Preferably, the front of motor for carrying silk and being located at the seal nipple and the openend.
Preferably, the compressive region of the sleeve is 50-120MPa.
The present invention has the advantages that：
1st, simple in construction, convenient disassembly of the invention；
2nd, the present invention has the condition of simulation LWD instruments underground actual working environment, disclosure satisfy that its actual working pressure
Needs.
3rd, the present invention increases the pressure in sleeve, compared with compressed air, sleeve by fetching water or buying oil into sleeve
Interior pressure rise is faster；
4th, suppressed using two pressure devices, suppressed time can be saved, the pressure in the sleeve is quickly risen
Height is high to required test pressure value, testing efficiency；
5th, test pressure of the invention is higher, reaches as high as 120MPa.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by the practice of the present invention.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can be with
Other accompanying drawings are obtained according to these accompanying drawings.
Fig. 1 is the structural representation of the device for detecting sealability provided by the invention with doubles laminated structure；
Fig. 2 is Fig. 1 provided by the invention explosive view；
In figure：1- sleeves, 11- sealed ends, 12- openends, 121- external screw threads, 2- seal nipples, 21- pressure gauges, 22- are let out
Press plug, the snap joints of 3- first, the snap joints of 4- second, the pressure devices of 5- first, the pressure devices of 6- second, the high pressures of 7- first
Pipeline, 71- first pressure valves, the high pressure lines of 8- second, 81- second pressure valves.
Embodiment
To make the object, technical solutions and advantages of the present invention of greater clarity, with reference to embodiment and join
According to accompanying drawing, the present invention is described in more detail.It should be understood that these descriptions are merely illustrative, and it is not intended to limit this hair
Bright scope.
In the description of the invention, it is to be understood that the orientation or position of the instruction such as term " on ", " under ", " interior ", " outer "
It is based on orientation shown in the drawings or position relationship to put relation, is for only for ease of the description present invention and simplifies description, rather than
Indicate or imply that signified device or element there must be specific orientation, with specific azimuth configuration and operation, therefore not
It is understood that as limitation of the present invention.
It should be noted that term " first " in description and claims of this specification and above-mentioned accompanying drawing, "
Two " etc. be for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that cover
Cover it is non-exclusive include, be not necessarily limited to for example, containing the process of series of steps or unit, method, apparatus, product or equipment
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or the intrinsic other steps of equipment or unit.
Embodiment 1
LWD instruments are typically mounted on the underground of below ground about rice, under such condition of work, the sealing of LWD instruments
Property has harsh requirement, and this just needs a kind of test device to detect the sealing property of LWD instruments.Sealing of the prior art
Property detection means can only test under subnormal ambient, can not simulate the underground actual high-voltage environment of LWD instrument applications.
In order to solve the above problems, the present embodiment provides a kind of device for detecting sealability with doubles laminated structure, such as Fig. 1
Shown in Fig. 2, the device for detecting sealability with doubles laminated structure that the present embodiment provides, including sleeve 1, seal nipple 2, the
One snap joint 3, the second snap joint 4, the first pressure device 5 and the second pressure device 6.
The sleeve 1 has sealed end 11 and openend 12, and the sleeve 1 is connect by the openend 12 and the sealing
First 2 with being connected.Preferably, the openend 12 is provided with external screw thread 121, and the seal nipple 2 is provided with and the external screw thread
121 internal threads being engaged.The openend 12 and the seal nipple 2 screw by external screw thread 121 and internal thread to be added
With sealing.The seal nipple 2 can be by screwing by hand, also can be urgent by assembling and disassembling stand.
Preferably, sealing ring is arranged with the excircle of the external screw thread 121, the sealing ring can improve the sealing
Sealing between joint 2 and the openend 12.Front of motor on the seal nipple 2 with the openend 12 is provided with
Silk is carried, is easy to lift the sleeve 1, it is easy to use, it is simple to operate.
Preferably, first pressure device 5 is connected by first snap joint 3 with the seal nipple 2, described
Second pressure device 6 is connected by second snap joint 4 with the sealed end 11.Preferably, first snap joint 3
Grafting joint is used with second snap joint 4, is easy to the sleeve 1, first pressure device 5 and described second dozen
Pressure device 6 is mounted and dismounted.
Further, the device for detecting sealability also includes the first high pressure line 7 and the second high pressure line 8, and described
One pressure device 5 and second pressure device 6 respectively by first high pressure line 7 and second high pressure line 8 with
First snap joint 3 and second snap joint 4 connect.
Further, the seal nipple 2 is provided with pressure gauge 21, in the present embodiment, the pressure measurement of the pressure gauge 21
Scope is 0-150Mpa, and first pressure valve 71 and are respectively equipped with first high pressure line 7 and second high pressure line 8
Two pressure valve 81, it is described when being suppressed by first pressure device 5 and second pressure device 6 into the sleeve 1
Pressure gauge 21 can show the pressure value in presently described sleeve 1.First high pressure line 7 and second high pressure line 8
Certain cushioning effect can be played during suppressing, the pressure in the sleeve 1 will not be made to occur drastically to change.When described
After sleeve 1 is pressurized to required test pressure value, turn off the first pressure valve 71 and the second pressure valve 81, you can carry out close
The test of envelope property.
Preferably, between first pressure device 5, first snap joint 3 and first high pressure line 7, with
And have between second pressure device 6, second snap joint 4 and second high pressure line 8 using being threadedly coupled
Beneficial to the sealing for improving each junction.
Further, relief hole is additionally provided with the seal nipple 2, pressure release plug 22 is installed on the relief hole,
It is connected through a screw thread between the pressure release plug 22 and the relief hole.
After the test device assembling, can be placed on progress fluid tightness on workbench can test.During experiment,
First by the 1 built-in full water of sleeve, then by first pressure device 5 and second pressure device 6 to the sleeve 1
Inside buy oil, because the compressibility of oil is smaller, therefore, compared with compressed air, applies same power and suppressed, the sleeve
Pressure in 1 can raise faster, and be suppressed using two pressure devices, can save suppressed time, make in the sleeve 1
Pressure rise rapidly to needed for test pressure value, testing efficiency is high, and in the present embodiment, the pressure in the sleeve 1 is reachable
120Mpa, the condition of LWD instruments underground actual working environment can be simulated, to meet the needs of its actual working pressure.Work as institute
When stating the registration of pressure gauge 21 close to 120Mpa, the first pressure valve 71 and the second pressure valve 81 are closed, described in observation
The outer surface of the registration of pressure gauge 21 and the sleeve 1, if the registration of the pressure gauge 21 keeps constant and described for a long time
There is no water or oil leakage on the outer surface of sleeve 1, then sealing propertytest result is that the sleeve 1 has sealing, if by one
The registration of pressure gauge 21 diminishes described in the section time, and has water or oil leakage on the outer surface of the sleeve 1, then sealing propertytest knot
Fruit is that the sleeve 1 does not have sealing.
, can be by described first dozen after suppressing completion and closing the first pressure valve 71 and second pressure valve 81
Pressure device 5 and second pressure device 6 remove from first high pressure line 7 and second high pressure line 8 respectively,
Performing leak tests are carried out for use in coordinating with other sleeves 1, this dismountable performing leak test structure is entered can be with
The performing leak test of multiple sleeves 1 is realized, has saved cost, while also save memory space.
During above-mentioned experiment, in order to exclude the sealing between the seal nipple 2 and the openend 12 to close
The influence of envelope property test result, is put into water after can the seal nipple 2 be connected with the sleeve 1, observes the sealing
Whether the junction of joint 2 and the openend 12 has continuous air bubbles to emerge, if there is continuous air bubbles to emerge, illustrates the sealing
Connect not close between joint 2 and the openend 12, sealing is poor, if no continuous air bubbles are emerged, illustrates described close
It is completely embedded between sealing joint 2 and the openend 12, sealing is preferable.
After the completion of performing leak test, the pressure release plug 22 can be removed from the relief hole, so as to realize
The slow pressure release of the sleeve 1, avoid when opening the seal nipple 2, the high pressure of the sleeve 1 produces larger impact
Power, so as to be damaged to operating personnel, ensure the security reliability of experimentation.
The present embodiment detects the sealing property of the test device, in practical operation, behaviour by the use of water and oil as medium
Making personnel can suppress to required pressure into the sleeve 1 as needed, in order to obtain more accurate sealing, operation
Personnel can suitably increase the dwell time as needed.
Embodiment 2
The present embodiment provides a kind of device for detecting sealability with doubles laminated structure, as depicted in figs. 1 and 2, this implementation
The device for detecting sealability with doubles laminated structure that example provides, including sleeve 1, seal nipple 2, the first snap joint 3, second
Snap joint 4, the first pressure device 5 and the second pressure device 6.
The sleeve 1 has sealed end 11 and openend 12, and the sleeve 1 is connect by the openend 12 and the sealing
First 2 with being connected.Preferably, the openend 12 is provided with external screw thread 121, and the seal nipple 2 is provided with and the external screw thread
121 internal threads being engaged.The openend 12 and the seal nipple 2 screw by external screw thread 121 and internal thread to be added
With sealing.The seal nipple 2 can be by screwing by hand, also can be urgent by assembling and disassembling stand.
Preferably, sealing ring is arranged with the excircle of the external screw thread 121, the sealing ring can improve the sealing
Sealing between joint 2 and the openend 12.Front of motor on the seal nipple 2 with the openend 12 is provided with
Silk is carried, is easy to lift the sleeve 1, it is easy to use, it is simple to operate.
Preferably, first pressure device 5 is connected by first snap joint 3 with the seal nipple 2, described
Second pressure device 6 is connected by second snap joint 4 with the sealed end 11.Preferably, first snap joint 3
Grafting joint is used with second snap joint 4, is easy to the sleeve 1, first pressure device 5 and described second dozen
Pressure device 6 is mounted and dismounted.
Further, the device for detecting sealability also includes the first high pressure line 7 and the second high pressure line 8, and described
One pressure device 5 and second pressure device 6 respectively by first high pressure line 7 and second high pressure line 8 with
First snap joint 3 and second snap joint 4 connect.
Further, the seal nipple 2 is provided with pressure gauge 21, in the present embodiment, the pressure measurement of the pressure gauge 21
Scope is 0-100Mpa, and first pressure valve 71 and are respectively equipped with first high pressure line 7 and second high pressure line 8
Two pressure valve 81, it is described when being suppressed by first pressure device 5 and second pressure device 6 into the sleeve 1
Pressure gauge 21 can show the pressure value in presently described sleeve 1.First high pressure line 7 and second high pressure line 8
Certain cushioning effect can be played during suppressing, the pressure in the sleeve 1 will not be made to occur drastically to change.When described
After sleeve 1 is pressurized to required test pressure value, turn off the first pressure valve 71 and the second pressure valve 81, you can carry out close
The test of envelope property.
Preferably, between first pressure device 5, first snap joint 3 and first high pressure line 7, with
And have between second pressure device 6, second snap joint 4 and second high pressure line 8 using being threadedly coupled
Beneficial to the sealing for improving each junction.
Further, relief hole is additionally provided with the seal nipple 2, pressure release plug 22 is installed on the relief hole,
It is connected through a screw thread between the pressure release plug 22 and the relief hole.
After the test device assembling, can be placed on progress fluid tightness on workbench can test.During experiment,
First by the 1 built-in full water of sleeve, then by first pressure device 5 and second pressure device 6 to the sleeve 1
Inside fetch water, because the compressibility of water is smaller, therefore, compared with compressed air, applies same power and suppressed, the sleeve
Pressure in 1 can raise faster, and be suppressed using two pressure devices, can save suppressed time, make in the sleeve 1
Pressure rise rapidly to needed for test pressure value, testing efficiency is high, and in the present embodiment, the pressure in the sleeve 1 is reachable
50Mpa, the condition of LWD instruments underground actual working environment can be simulated, to meet the needs of its actual working pressure.When described
When the registration of pressure gauge 21 is close to 50Mpa, the first pressure valve 71 and the second pressure valve 81 are closed, observes the pressure
The outer surface of the registration of table 21 and the sleeve 1, if the registration of the pressure gauge 21 keeps constant for a long time, and the sleeve
There is no water leakage on 1 outer surface, then sealing propertytest result is that the sleeve 1 has sealing, if through institute after a while
The registration for stating pressure gauge 21 diminishes, and has water leakage on the outer surface of the sleeve 1, then sealing propertytest result is the sleeve
1 does not have sealing.
, can be by described first dozen after suppressing completion and closing the first pressure valve 71 and second pressure valve 81
Pressure device 5 and second pressure device 6 remove from first high pressure line 7 and second high pressure line 8 respectively,
Performing leak tests are carried out for use in coordinating with other sleeves 1, this dismountable performing leak test structure is entered can be with
The performing leak test of multiple sleeves 1 is realized, has saved cost, while also save memory space.
During above-mentioned experiment, in order to exclude the sealing between the seal nipple 2 and the openend 12 to close
The influence of envelope property test result, is put into water after can the seal nipple 2 be connected with the sleeve 1, observes the sealing
Whether the junction of joint 2 and the openend 12 has continuous air bubbles to emerge, if there is continuous air bubbles to emerge, illustrates the sealing
Connect not close between joint 2 and the openend 12, sealing is poor, if no continuous air bubbles are emerged, illustrates described close
It is completely embedded between sealing joint 2 and the openend 12, sealing is preferable.
After the completion of performing leak test, the pressure release plug 22 can be removed from the relief hole, so as to realize
The slow pressure release of the sleeve 1, avoid when opening the seal nipple 2, the high pressure of the sleeve 1 produces larger impact
Power, so as to be damaged to operating personnel, ensure the security reliability of experimentation.
The present embodiment uses water as the sealing property that medium detects the test device, in practical operation, operator
Member can be suppressed to required pressure into the sleeve 1 as needed, in order to obtain more accurate sealing, operating personnel
The dwell time can suitably be increased as needed.
It should be appreciated that the above-mentioned embodiment of the present invention is used only for exemplary illustration or explains the present invention's
Principle, without being construed as limiting the invention.Therefore, that is done without departing from the spirit and scope of the present invention is any
Modification, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (9)
- A kind of 1. device for detecting sealability with doubles laminated structure, it is characterised in that including sleeve (1), seal nipple (2), First snap joint (3), the second snap joint (4), the first pressure device (5), the second pressure device (6), the first high pressure line (7) and the second high pressure line (8),The sleeve (1) has sealed end (11) and openend (12), the sleeve (1) by the openend (12) with it is described Seal nipple (2) with being connected,First pressure device (5) is connected by first snap joint (3) with the seal nipple (2), and described second Pressure device (6) is connected by second snap joint (4) with the sealed end (11),First pressure valve (71) and the second pressure are respectively equipped with first high pressure line (7) and second high pressure line (8) Power valve (81), the seal nipple (2) are provided with pressure gauge (21).
- 2. the device for detecting sealability according to claim 1 with doubles laminated structure, it is characterised in that described first dozen Pressure device (5) and second pressure device (6) pass through first high pressure line (7) and second high pressure line respectively (8) it is connected with first snap joint (3) and second snap joint (4).
- 3. the device for detecting sealability according to claim 1 with doubles laminated structure, it is characterised in that the openend (12) external screw thread (121) is provided with, the seal nipple (2) is provided with the internal thread being engaged with the external screw thread (121).
- 4. the device for detecting sealability according to claim 1 with doubles laminated structure, it is characterised in that the sealing connects Sealing ring is provided between head (2) and the openend (12).
- 5. the device for detecting sealability according to claim 3 with doubles laminated structure, it is characterised in that the sealing connects Relief hole is further opened with head (2), pressure release plug (22) is installed on the relief hole.
- 6. the device for detecting sealability according to claim 5 with doubles laminated structure, it is characterised in that the pressure release is blocked up It is to be threadedly coupled between head (22) and the relief hole.
- 7. the device for detecting sealability according to claim 1 with doubles laminated structure, it is characterised in that the sealing connects Head (2), which is provided with, is easy to what is lifted to carry silk.
- 8. the device for detecting sealability according to claim 7 with doubles laminated structure, it is characterised in that described to carry silk position Front of motor in the seal nipple (2) Yu the openend (12).
- 9. the device for detecting sealability according to claim 1 with doubles laminated structure, it is characterised in that the sleeve (1) compressive region is 50-120MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711243136.5A CN107741306A (en) | 2017-11-30 | 2017-11-30 | A kind of device for detecting sealability with doubles laminated structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711243136.5A CN107741306A (en) | 2017-11-30 | 2017-11-30 | A kind of device for detecting sealability with doubles laminated structure |
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| CN107741306A true CN107741306A (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711243136.5A Pending CN107741306A (en) | 2017-11-30 | 2017-11-30 | A kind of device for detecting sealability with doubles laminated structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111103197A (en) * | 2019-11-15 | 2020-05-05 | 中国石油集团长城钻探工程有限公司 | Tool and method for testing differential pressing inside and outside underground measuring instrument |
| CN112196516A (en) * | 2019-07-08 | 2021-01-08 | 河北环鼎石油设备有限责任公司 | CBL sound wave scale device |
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| CN102564702A (en) * | 2012-01-18 | 2012-07-11 | 中国海洋石油总公司 | Device and system for testing packer in formation tester |
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| CN112196516A (en) * | 2019-07-08 | 2021-01-08 | 河北环鼎石油设备有限责任公司 | CBL sound wave scale device |
| CN111103197A (en) * | 2019-11-15 | 2020-05-05 | 中国石油集团长城钻探工程有限公司 | Tool and method for testing differential pressing inside and outside underground measuring instrument |
| CN111103197B (en) * | 2019-11-15 | 2022-02-22 | 中国石油天然气集团有限公司 | Tool and method for testing differential pressing inside and outside underground measuring instrument |
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Application publication date: 20180227 |