CN207600684U - 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 PDF

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Publication number
CN207600684U
CN207600684U CN201721642779.2U CN201721642779U CN207600684U CN 207600684 U CN207600684 U CN 207600684U CN 201721642779 U CN201721642779 U CN 201721642779U CN 207600684 U CN207600684 U CN 207600684U
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CN
China
Prior art keywords
pressure
sleeve
seal nipple
doubles
quick coupling
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.)
Expired - Fee Related
Application number
CN201721642779.2U
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Chinese (zh)
Inventor
刘策
黄俭波
姜亚竹
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Bitswave Suzhou Co Ltd
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Bitswave Suzhou Co Ltd
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Filing date
Publication date
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Priority to CN201721642779.2U priority Critical patent/CN207600684U/en
Application granted granted Critical
Publication of CN207600684U publication Critical patent/CN207600684U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of device for detecting sealability with doubles laminated structure, including sleeve, seal nipple, first quick coupling, second quick coupling, 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 connecting, first pressure device is connect by the first quick coupling with seal nipple, second pressure device is connect by the second quick coupling with sealed end, first pressure valve and second pressure valve are respectively equipped on first high pressure line and the second high pressure line, seal nipple is equipped with pressure gauge.The utility model 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, it is suppressed using two pressure devices, suppressed time can be saved, testing efficiency is high.

Description

A kind of device for detecting sealability with doubles laminated structure
Technical field
The utility model is related to construction material detection technology fields, and in particular to a kind of leakproofness with doubles laminated structure Detection 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 soaking time of aqueous vapor is reduced, aquifer pollution is gathered around in reduction.Since the application scenario of LWD instruments is mostly underground high-voltage test environment, Therefore, it is very high to sealing requirements.If the leakproofness of LWD instruments does not reach requirement, then liquid filling easily occurs in underground Phenomenon can not only cause measurement result significant impact, but also 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 being sealed property to examine before going into the well It surveys.Existing LWD instruments device for detecting sealability is that LWD instruments and mechanical pump airtight connection are utilized machinery by seal pipe Air in pumped access, by pressure vacuum gauge measure pressure in sealing propertytest access 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 access keeps not Become, since this device for detecting sealability can only be tested under subnormal ambient, the underground that can not simulate LWD instrument applications is practical high Pressure ring border therefore, it is necessary to be improved to existing LWD instruments device for detecting sealability, can meet LWD instruments reality The needs of application environment.
Utility model content
In order to overcome deficiency of the prior art, the purpose of this utility model is to provide a kind of with doubles laminated structure Device for detecting sealability, the test device have the condition of simulation LWD instruments underground actual working environment, disclosure satisfy that its reality The needs of operating pressure.
In order to achieve the above objectives, the utility model uses following technical scheme:
A kind of device for detecting sealability with doubles laminated structure, including sleeve, seal nipple, the first quick coupling, Two quick couplings, 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 It connects,
First pressure device is connect by first quick coupling with the seal nipple, and described second suppresses dress It puts and is connect by second quick coupling with the sealed end,
First pressure valve and second pressure valve, institute are respectively equipped on first high pressure line and second high pressure line Seal nipple is stated equipped 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 connect with first quick coupling and second quick coupling.
Preferably, the openend is equipped with external screw thread, and the seal nipple is equipped with matched with the external screw thread Internal thread.
Preferably, sealing ring is equipped between the seal nipple and the openend.
Preferably, relief hole is further opened on the seal nipple, pressure release plug is installed on the relief hole.
Preferably, to be threadedly coupled between the pressure release plug and the relief hole.
Preferably, the seal nipple is equipped with carries silk convenient for lifting.
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 utility model has the advantages that:
1st, the utility model is simple in construction, easy to disassemble and assemble;
2nd, the utility model has the condition of simulation LWD instruments underground actual working environment, disclosure satisfy that its real work The needs of pressure.
3rd, the utility model increases the pressure in sleeve by fetching water or buying oil into sleeve, compared with compressed air, Pressure rise in sleeve is faster;
4th, it is suppressed using two pressure devices, suppressed time can be saved, the pressure in the sleeve is made quickly to rise Height arrives required test pressure value, and testing efficiency is high;
5th, the test pressure higher of the utility model, reaches as high as 120MPa.
The additional aspect and advantage of the utility model will be set forth in part in the description, partly will be from following description In become apparent or recognized by the practice of the utility model.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the device for detecting sealability provided by the utility model with doubles laminated structure;
Fig. 2 is the explosive view of Fig. 1 provided by the utility model;
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 first quick couplings of 3-, the second quick couplings of 4-, the first pressure devices of 5-, the second pressure devices of 6-, the first high pressures of 7- Pipeline, 71- first pressure valves, the second high pressure lines of 8-, 81- second pressure valves.
Specific embodiment
To make the objectives, technical solutions and advantages of the present invention clearer, With reference to embodiment And with reference to attached drawing, the utility model is further described.It should be understood that these descriptions are merely illustrative, and do not really want Limit the scope of the utility model.
In the description of the present invention, it is to be appreciated that term the instructions such as " on ", " under ", " interior ", " outer " orientation Or position relationship is based on orientation shown in the drawings or position relationship, is for only for ease of description the utility model and simplification is retouched State rather than indicate or imply that the device of meaning or element there must be specific orientation, with specific azimuth configuration and behaviour Make, therefore it is not intended that limitation to the utility model.
It should be noted that term " first " in the specification and claims of the utility model and above-mentioned attached drawing, " second " etc. is the object for distinguishing similar, and specific sequence or precedence are described without being used for.It should be appreciated that in this way The data used can be interchanged in the appropriate case, can be in addition at this so as to the embodiment of the utility model described herein In diagram or description those other than sequence implement.In addition, term " comprising " and " having " and their any deformation, meaning Figure be to cover it is non-exclusive include, for example, containing the process of series of steps or unit, method, apparatus, product or equipment Be not necessarily limited to those steps clearly listed or unit, but may include not listing clearly or for these processes, The intrinsic other steps of method, product or equipment or unit.
Embodiment 1
LWD instruments are typically mounted on the underground of below ground about rice, under such operating condition, the sealing of LWD instruments Property have harsh requirement, this just needs a kind of test device to detect the sealing performance of LWD instruments.Sealing of the prior art Property detection device can only test under subnormal ambient, can not simulate the underground actual high-voltage environment of LWD instrument applications.
To solve the above-mentioned 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 provided in this embodiment with doubles laminated structure, including sleeve 1, seal nipple 2, One quick coupling 3, the second quick coupling 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 connecting.Preferably, the openend 12 is equipped with external screw thread 121, and the seal nipple 2 is equipped with and the external screw thread 121 matched internal threads.The openend 12 and the seal nipple 2 are screwed 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 on the excircle of the external screw thread 121, the sealing ring can improve the sealing Leakproofness between connector 2 and the openend 12.Front of motor on the seal nipple 2 with the openend 12 is provided with Silk is carried, it is easy to use convenient for being lifted to the sleeve 1, it is easy to operate.
Preferably, first pressure device 5 is connect by first quick coupling 3 with the seal nipple 2, described Second pressure device 6 is connect by second quick coupling 4 with the sealed end 11.Preferably, first quick coupling 3 Grafting connector is used with second quick coupling 4, convenient for the sleeve 1, first pressure device 5 and second dozen described Pressure device 6 is mounted and dismounted.
Further, the device for detecting sealability further 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 quick coupling 3 and second quick coupling 4 connect.
Further, the seal nipple 2 is equipped with pressure gauge 21, in the present embodiment, the pressure measurement of the pressure gauge 21 First pressure valve 71 and are respectively equipped on ranging from 0-150Mpa, 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, will not make the pressure in the sleeve 1 that change dramatically occur.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 quick coupling 3 and first high pressure line 7, with And have between second pressure device 6, second quick coupling 4 and second high pressure line 8 using being threadedly coupled Conducive to the leakproofness for improving each junction.
Further, relief hole is additionally provided on 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, since the compressibility of oil is smaller, compared with compressed air, apply same power and suppressed, the sleeve Pressure in 1 can increase 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 can simulate the condition of LWD instruments underground actual working environment, 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 remains unchanged, and described for a long time There is no water or oil leakage on the outer surface of sleeve 1, then sealing propertytest result has leakproofness for the sleeve 1, if by one The registration of pressure gauge 21 becomes smaller described in the section time, and has water or oil leakage on the outer surface of the sleeve 1, then sealing propertytest knot Fruit does not have leakproofness for the sleeve 1.
It, 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 are removed from first high pressure line 7 and second high pressure line 8 respectively, Coordinate the test of being sealed property for use in other sleeves 1, this dismountable performing leak test structure is into can be with It realizes the performing leak test of multiple sleeves 1, has saved cost, while also save memory space.
During above-mentioned experiment, in order to exclude the leakproofness between the seal nipple 2 and the openend 12 to close The influence of envelope property test result, after can the seal nipple 2 be connect with the sleeve 1 into the water, observes the sealing Whether the junction of connector 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 connector 2 and the openend 12, leakproofness is poor, if no continuous air bubbles are emerged, illustrates described close It is completely embedded between sealing joint 2 and the openend 12, leakproofness is preferable.
After the completion of performing leak test, the pressure release plug 22 can be removed from the relief hole, so as to fulfill The slow pressure release of the sleeve 1 is avoided when opening the seal nipple 2, and the high pressure of the sleeve 1 generates larger impact Power so as to be damaged to operating personnel, ensures the security reliability of experimentation.
The present embodiment detects the sealing performance of the test device, in practical operation, behaviour by the use of water and oil as medium Making personnel can suppress into the sleeve 1 as needed to required pressure, and more accurate leakproofness, operates in order to obtain 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 quick coupling 3, second Quick coupling 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 connecting.Preferably, the openend 12 is equipped with external screw thread 121, and the seal nipple 2 is equipped with and the external screw thread 121 matched internal threads.The openend 12 and the seal nipple 2 are screwed 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 on the excircle of the external screw thread 121, the sealing ring can improve the sealing Leakproofness between connector 2 and the openend 12.Front of motor on the seal nipple 2 with the openend 12 is provided with Silk is carried, it is easy to use convenient for being lifted to the sleeve 1, it is easy to operate.
Preferably, first pressure device 5 is connect by first quick coupling 3 with the seal nipple 2, described Second pressure device 6 is connect by second quick coupling 4 with the sealed end 11.Preferably, first quick coupling 3 Grafting connector is used with second quick coupling 4, convenient for the sleeve 1, first pressure device 5 and second dozen described Pressure device 6 is mounted and dismounted.
Further, the device for detecting sealability further 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 quick coupling 3 and second quick coupling 4 connect.
Further, the seal nipple 2 is equipped with pressure gauge 21, in the present embodiment, the pressure measurement of the pressure gauge 21 First pressure valve 71 and are respectively equipped on ranging from 0-100Mpa, 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, will not make the pressure in the sleeve 1 that change dramatically occur.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 quick coupling 3 and first high pressure line 7, with And have between second pressure device 6, second quick coupling 4 and second high pressure line 8 using being threadedly coupled Conducive to the leakproofness for improving each junction.
Further, relief hole is additionally provided on 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, since the compressibility of water is smaller, compared with compressed air, apply same power and suppressed, the sleeve Pressure in 1 can increase 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 can simulate the condition of LWD instruments underground actual working environment, 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 remains unchanged, and the sleeve for a long time There is no water leakage on 1 outer surface, then sealing propertytest result has leakproofness for the sleeve 1, if through institute after a period of time The registration for stating pressure gauge 21 becomes smaller, and has water leakage on the outer surface of the sleeve 1, then sealing propertytest result is the sleeve 1 does not have leakproofness.
It, 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 are removed from first high pressure line 7 and second high pressure line 8 respectively, Coordinate the test of being sealed property for use in other sleeves 1, this dismountable performing leak test structure is into can be with It realizes the performing leak test of multiple sleeves 1, has saved cost, while also save memory space.
During above-mentioned experiment, in order to exclude the leakproofness between the seal nipple 2 and the openend 12 to close The influence of envelope property test result, after can the seal nipple 2 be connect with the sleeve 1 into the water, observes the sealing Whether the junction of connector 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 connector 2 and the openend 12, leakproofness is poor, if no continuous air bubbles are emerged, illustrates described close It is completely embedded between sealing joint 2 and the openend 12, leakproofness is preferable.
After the completion of performing leak test, the pressure release plug 22 can be removed from the relief hole, so as to fulfill The slow pressure release of the sleeve 1 is avoided when opening the seal nipple 2, and the high pressure of the sleeve 1 generates larger impact Power so as to be damaged to operating personnel, ensures the security reliability of experimentation.
The present embodiment uses water as the sealing performance that medium detects the test device, in practical operation, operator Member can suppress into the sleeve 1 as needed to required pressure, in order to obtain more accurate leakproofness, operating personnel The dwell time can suitably be increased as needed.
It should be understood that the above-mentioned specific embodiment of the utility model is used only for exemplary illustration or explains this reality With novel principle, without forming the limitation to the utility model.Therefore, in the spirit and scope without departing from the utility model In the case of any modification, equivalent substitution, improvement and etc. done, should be included within the scope of protection of this utility model.

Claims (9)

1. a kind of device for detecting sealability with doubles laminated structure, which is characterized in that including sleeve (1), seal nipple (2), First quick coupling (3), the second quick coupling (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) have sealed end (11) and openend (12), the sleeve (1) by the openend (12) with it is described Seal nipple (2) with connecting,
First pressure device (5) is connect by first quick coupling (3) with the seal nipple (2), and described second Pressure device (6) is connect by second quick coupling (4) with the sealed end (11),
First pressure valve (71) and the second pressure are respectively equipped on first high pressure line (7) and second high pressure line (8) Power valve (81), the seal nipple (2) are equipped with pressure gauge (21).
2. the device for detecting sealability according to claim 1 with doubles laminated structure, which is characterized 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 connect with first quick coupling (3) and second quick coupling (4).
3. the device for detecting sealability according to claim 1 with doubles laminated structure, which is characterized in that the openend (12) external screw thread (121) is equipped with, the seal nipple (2) is equipped with and the external screw thread (121) matched internal thread.
4. the device for detecting sealability according to claim 1 with doubles laminated structure, which is characterized in that the sealing connects Sealing ring is equipped between head (2) and the openend (12).
5. the device for detecting sealability according to claim 3 with doubles laminated structure, which is characterized in that the sealing connects Relief hole is further opened on 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, which is characterized in that the pressure release is blocked up 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, which is characterized in that the sealing connects Head (2) is equipped with carries silk convenient for lifting.
8. the device for detecting sealability according to claim 7 with doubles laminated structure, which is characterized 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, which is characterized in that the sleeve (1) compressive region is 50-120MPa.
CN201721642779.2U 2017-11-30 2017-11-30 A kind of device for detecting sealability with doubles laminated structure Expired - Fee Related CN207600684U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721642779.2U CN207600684U (en) 2017-11-30 2017-11-30 A kind of device for detecting sealability with doubles laminated structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721642779.2U CN207600684U (en) 2017-11-30 2017-11-30 A kind of device for detecting sealability with doubles laminated structure

Publications (1)

Publication Number Publication Date
CN207600684U true CN207600684U (en) 2018-07-10

Family

ID=62761438

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721642779.2U Expired - Fee Related CN207600684U (en) 2017-11-30 2017-11-30 A kind of device for detecting sealability with doubles laminated structure

Country Status (1)

Country Link
CN (1) CN207600684U (en)

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Granted publication date: 20180710

Termination date: 20201130