CN107741310A - A kind of integrated sealing system safety testing device of LWD - Google Patents
A kind of integrated sealing system safety testing device of LWD Download PDFInfo
- Publication number
- CN107741310A CN107741310A CN201711244506.7A CN201711244506A CN107741310A CN 107741310 A CN107741310 A CN 107741310A CN 201711244506 A CN201711244506 A CN 201711244506A CN 107741310 A CN107741310 A CN 107741310A
- Authority
- CN
- China
- Prior art keywords
- pressure
- sleeve
- seal nipple
- lwd
- system safety
- 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.)
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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
- G01M3/28—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 for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds
- G01M3/2846—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 for pipes, cables or tubes; for pipe joints or seals; for valves ; for welds for tubes
-
- 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
-
- 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
- G01M3/06—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
- G01M3/08—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
- G01M3/085—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for pipe joints or seals
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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 field, disclose the integrated sealing system safety testing device of LWD a kind of, including sleeve, seal nipple, dynamical element and pressure device, 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 the seal nipple by snap joint, the dynamical element is arranged on the pressure device, there is provided for the pressure device and suppress power, pressure valve is provided with the pressure device, pressure gauge is provided with the seal nipple.The present invention can realize that malleation is up to 120Mpa sealing pressure test, solving in the prior art can only be by the way of vacuumizing for LWD sealing propertytest, sealing 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 field, the integrated sealing system safety testing device of LWD a kind of is disclosed
Background technology
LWD (LoggingWhile Drilling) means " with well logging is bored ", and universal is said, it removes the measurement for including MWD
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 gap
Degree etc.) and drilling engineering parameter (with boring drilling tool moment of torsion, being vibrated with brill, with brill the pressure of the drill 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 soak 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 sealing 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, and 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 sealing 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 is higher eager to excel in whatever one does to require that product can be born in some Code in Hazardous Special Locations, the test for LWD sealing in the prior art is all
By way of sealing vacuumizes, performing leak test is carried out under negative pressure, this method of testing can only realize 1Mpa pressure
Sealing demand, therefore, it is necessary to research and develop a kind of positive seal detection means, ensure the sealing of LWD instruments, prevent sealing not
LWD instrument and equipments up to standard enter underground and carry out risky operation, also, sealing is tested in a manner of malleation, and obtaining one kind can
Meet the LWD instruments of high-pressure tightness requirement.
The content of the invention
The technical problem to be solved in the present invention be in the prior art for LWD sealing propertytest can only use vacuumize
Mode, tests sealing 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 the integrated sealing system safety testing device of LWD a kind of, described device
Including sleeve, seal nipple, dynamical element and pressure device, the sleeve includes sealed end and openend, the seal nipple
It is threadedly coupled with the openend of the sleeve, the pressure device is arranged on the seal nipple by snap joint, described
Dynamical element is arranged on the pressure device, is provided for the pressure device and is suppressed power, and pressure is provided with the pressure device
Power valve, pressure gauge is provided with the seal nipple.
As preferable, the dynamical element is cylinder or hydraulic cylinder.
Specifically, being provided with external screw thread on the openend of the sleeve, it is provided with the seal nipple and the outer spiral shell
The internal thread that line coordinates.
Further, it is provided with sealing ring between the seal nipple and the openend.
Further, relief hole is additionally provided with the seal nipple, pressure release plug is installed on the relief hole.
As preferable, it is threadedly coupled between the pressure release plug and the relief hole.
Further, it is provided with the seal nipple with the front of motor of the openend and is easy to what is lifted to carry silk.
Further, described device also includes high pressure line, the pressure device by the high pressure line with it is described fast
Quick coupling connects.
As preferable, the compressive region of the sleeve is 50-120Mpa.
Using above-mentioned technical proposal, LWD of the present invention integrated sealing system safety testing device has following beneficial effect
Fruit：
1) LWD of the present invention integrated sealing system safety testing device uses adds water in sleeve, passes through pressure device 1
After squeezing into oil into sleeve, increase the pressure of sleeve, pressure rises soon, laborsaving.
2) LWD of the present invention integrated sealing system safety testing device, pressurizeed by pressure device into sleeve, can
Realize that malleation tests sealing.
3) LWD of the present invention integrated sealing system safety testing device can test up to 120Mpa pressure.
4) LWD of the present invention integrated sealing system safety testing device is connected by snap joint with seal nipple, peace
Dress easily and fast, and can be dismantled, and only need a pressure device for the performing leak test of multiple sleeves, it is not necessary to
Each sleeve is equipped with a pressure device, has saved cost.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing.
Fig. 1 is the structural representation of the integrated sealing system safety testing device of the LWD described in embodiment one；
Fig. 2 is Fig. 1 explosive view；
Fig. 3 is the structural representation of the integrated sealing system safety testing device of the LWD described in embodiment two；
Fig. 4 is Fig. 3 explosive view；
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- snap joints, 8- pressure valve, 9- carry silk, 10- cylinders, 11- hydraulic cylinders.
Embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, it should all belong to the model that the present invention protects
Enclose.
" one embodiment " or " embodiment " referred to herein refers to may be included at least one implementation of the present invention
Special characteristic, structure or characteristic.In the description of the invention, it is to be understood that term " on ", " top ", " bottom ", etc. instruction
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
State, rather than instruction or imply signified device or element there must be 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 describing purpose, without being understood that
To indicate or implying relative importance or the implicit quantity for indicating indicated technical characteristic.Thus, define " 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 for describing specific order or precedence.It should be appreciated that so use
Data can exchange in the appropriate case, so that embodiments of the invention described herein can be with except illustrating or retouching herein
Order beyond those stated is implemented.
Embodiment one：
To solve to test under negative pressure by the way of vacuumizing for LWD sealing propertytest in the prior art
Sealing, test pressure only only have 1Mpa, it is difficult to the problem of meeting under high pressure to sealing requirements.The invention provides one kind
LWD integrated sealing system safety testing device, specifically, referring to Fig. 1 and Fig. 2, described device includes sleeve 6, seal nipple 5, moved
Power element and pressure device 1, the sleeve 6 include sealed end 61 and openend 62, the seal nipple 5 and the sleeve 6
Openend 62 is threadedly coupled, and the pressure device 1 is arranged on the seal nipple 5 by snap joint 7, the dynamical element
It is arranged on the pressure device 1, as preferable, in the present embodiment, the dynamical element is cylinder 10, by pressing repeatedly
Air in contracting cylinder 10 provides for the pressure device 1 suppresses power.Further, it is provided with pressure on the pressure device 1
Valve 8, pressure gauge 3 is provided with the seal nipple 5.
Further, the sealed end 61 of the sleeve 6 is integrally formed with the sleeve 6, and the openend 62 of the sleeve 6 is set
External screw thread is equipped with, coordinates the inner side of the seal nipple 5 of installation to be provided with the openend 62 of the sleeve 6 and matches somebody with somebody with the external screw thread
The internal thread of conjunction, the external screw thread seal the openend 62 of the sleeve 6 after being screwed with screw-internal thread fit, as preferable,
Sealing ring is arranged with the externally threaded excircle, it is to be understood that is arranged sealing on the externally threaded excircle
Circle can increase seal nipple 5 and the sealing of the openend 62.Further, the seal nipple 5 is pacified with openend 62
Can be by screwing by hand during dress, can also be urgent by assembling and disassembling stand.
Further, described device also includes high pressure line 2, the pressure device 1 by high pressure line 2 with it is described quick
Joint 7 connects, and the high pressure line 2 can bear higher pressure, is suppressing increase institute into sleeve 6 by pressure device 1
When stating the pressure of sleeve 6, certain cushioning effect can be played by high pressure line 2, the drastically change of pressure will not be caused.Tool
Body, the connection between the pressure device 1, high pressure line 2 and snap joint 7 is connected through a screw thread, in joint
Place can wind raw material band, improve the sealing of junction, and compactness.
Further, relief hole is additionally provided with the seal nipple 5, pressure release plug 4 is installed on the relief hole.Make
To be preferable, it is connected through a screw thread between the pressure release plug 4 and the relief hole.Specifically, set on the seal nipple 5
Putting the effect of relief hole is, after the completion of the sleeve 6 experiment, when carrying out pressure release to sleeve 6, can be blocked up by disassembling pressure release
Slow pressure release is carried out to sleeve 6 after first 4, avoids the impulsive force of the unexpected pressure release of high pressure.
Further, it is provided with the seal nipple 5 with the front of motor of the openend 62 and is easy to what is lifted to carry silk
9。
As preferable, 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 preferable, in the present embodiment, pressure boost into the sleeve 6 to 120Mpa, now, the pressure gauge 3 with
120Mpa is shown.Further, be provided with pressure valve 8 on the pressure device 1, when the pressure boost in the sleeve 6 extremely
After 120Mpa, pressure valve 8 is turned off, sleeve 6 is started the performing leak test of sleeve 6 using 120Mpa as test pressure.
As preferable, water can be loaded in the sleeve 6, the pressure device 1 is worked in oil medium,
In this structure, compared with the structure of air dielectric, apply it is same suppress power, because 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 the pressure that can reach is higher.
Further, for said structure, the principle i.e. operation to performing leak test is specifically summarized, specifically,
After water is loaded in the sleeve 6, suppressed by pressure device 1 to increase the pressure of sleeve 6 into sleeve 6 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 there are oil or water to ooze out on the outer surface of sleeve 6, if the pressure gauge 3 changes, or on the outer surface of sleeve 6
There are water or oil to ooze out, 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 there are continuous air bubbles to emerge, and the bubble frequency emerged judges whether it is that junction does not connect, if it is, tearing open
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
Ooze out, then further illustrate the poor sealing of sleeve 6.
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
Cylinder 6 carries out slow pressure releases, or pressure release after the pressure device 1, high pressure line 2 are dismantled.
Embodiment two：
This gives another structure of tightness measuring device, as shown in Figure 3 and Figure 4, described device includes
Sleeve 6, seal nipple 5, dynamical element and pressure device 1, the sleeve 6 include sealed end 61 and openend 62, the sealing
Joint 5 is threadedly coupled with the openend 62 of the sleeve 6, and the pressure device 1 is arranged on the sealing by snap joint 7 and connect
On first 5, the dynamical element is arranged on the pressure device 1, as preferable, in the present embodiment, the dynamical element
For hydraulic cylinder 11, hydraulic energy is changed into mechanical energy by hydraulic cylinder 11, and the Repeated Compression by hydraulic cylinder 11 is the pressure device 1
Power is suppressed in offer.Further, pressure valve 8 is provided with the pressure device 1, pressure gauge is provided with the seal nipple 5
3。
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, coordinate the inner side of the seal nipple 5 of installation to be provided with and the outer spiral shell with the openend 62 of the sleeve 6
The internal thread that line coordinates, 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 also includes high pressure line 2, the pressure device 1 by high pressure line 2 with it is described quick
Joint 7 connects, and the high pressure line 2 can bear higher pressure, is suppressing increase institute into sleeve 6 by pressure device 1
When stating the pressure of sleeve 6, certain cushioning effect can be played by high pressure line 2, the drastically change of pressure will not be caused.Tool
Body, the connection between the pressure device 1, high pressure line 2 and snap joint 7 is connected through a screw thread, in joint
Place can wind raw material band, improve the sealing of junction, and compactness.
Further, relief hole is additionally provided with the seal nipple 5, pressure release plug 4 is installed on the relief hole.Make
To be preferable, it is connected through a screw thread between the pressure release plug 4 and the relief hole.Specifically, set on institute's 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 impulsive force of the unexpected pressure release of high pressure.
Further, it is provided with the seal nipple 5 with the front of motor of the openend 62 and is easy to what is lifted to carry silk
9。
As preferable, 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 preferable, in the present embodiment, the pressure into the sleeve 6
Power is pressurized to 50Mpa, and now, the pressure gauge 3 is shown with 50Mpa.Further, it is provided with pressure on the pressure device 1
Valve 8, after the pressure boost in the sleeve 6 is to 50Mpa, pressure valve 8 is turned off, sleeve 6 is opened by test pressure of 50Mpa
The performing leak test of beginning sleeve 6.
As preferable, water can be loaded in the sleeve 6, the pressure device 1 is worked in oil medium,
In this structure, compared with the structure of air dielectric, apply it is same suppress power, because 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 the pressure that can reach is higher.
Further, for said structure, the principle i.e. operation to performing leak test is specifically summarized, specifically,
After water is loaded in the sleeve 6, suppressed by pressure device 1 to increase the pressure of sleeve 6 into sleeve 6 until 50Mpa, with
Afterwards, the pressure valve 8 is screwed into closing, whether the pressure in 30 points in interior observation pressure gauge 3 changes, and the set
Whether there are oil or water to ooze out on the outer surface of cylinder 6, if the pressure gauge 3 changes, or have on the outer surface of sleeve 6
Water or oil ooze out, 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 there are continuous air bubbles to emerge, and the bubble frequency emerged judges whether it is that junction does not connect, if it is, tearing open
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
Ooze out, then further illustrate the poor sealing of sleeve 6.
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
Cylinder 6 carries out slow pressure releases, or pressure release after 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, in order to obtain more accurate sealing, 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 only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (9)
1. a kind of LWD integrated sealing system safety testing device, it is characterised in that described device includes sleeve (6), seal nipple
(5), pressure device (1) and dynamical element, the sleeve (6) include sealed end (61) and openend (62), the seal nipple
(5) it is threadedly coupled with the openend (62) of the sleeve (6), the pressure device (1) is arranged on described by snap joint (7)
On seal nipple (5), the dynamical element is arranged on the pressure device (1), is provided and is suppressed for the pressure device (1)
Power, pressure valve (8) is provided with the pressure device (1), pressure gauge (3) is provided with the seal nipple (5).
2. LWD according to claim 1 integrated sealing system safety testing device, it is characterised in that the dynamical element is
Cylinder (10) or hydraulic cylinder (11).
3. LWD according to claim 1 integrated sealing system safety testing device, it is characterised in that sleeve (6) are opened
External screw thread is provided with mouth end (62), the internal thread coordinated with the external screw thread is provided with the seal nipple (5).
4. the integrated sealing system safety testing device of the LWD according to claim 1 or 3, it is characterised in that the seal nipple
(5) it is provided with sealing ring between the openend (62).
5. LWD according to claim 4 integrated sealing system safety testing device, it is characterised in that the seal nipple (5)
On be additionally provided with relief hole, pressure release plug (4) is installed on the relief hole.
6. LWD according to claim 5 integrated sealing system safety testing device, it is characterised in that the pressure release plug (4)
It is threadedly coupled between the relief hole.
7. LWD according to claim 4 integrated sealing system safety testing device, it is characterised in that the seal nipple (5)
The upper front of motor with the openend (62), which is provided with, is easy to what is lifted to carry silk (9).
8. LWD according to claim 1 integrated sealing system safety testing device, it is characterised in that described device also includes
High pressure line (2), the pressure device (1) are connected by the high pressure line (2) with the snap joint (7).
9. LWD according to claim 1 integrated sealing system safety testing device, it is characterised in that the sleeve (6) by
Pressure scope is 50-120Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244506.7A CN107741310A (en) | 2017-11-30 | 2017-11-30 | A kind of integrated sealing system safety testing device of LWD |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711244506.7A CN107741310A (en) | 2017-11-30 | 2017-11-30 | A kind of integrated sealing system safety testing device of LWD |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107741310A true CN107741310A (en) | 2018-02-27 |
Family
ID=61239846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711244506.7A Pending CN107741310A (en) | 2017-11-30 | 2017-11-30 | A kind of integrated sealing system safety testing device of LWD |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107741310A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187960A (en) * | 2021-05-21 | 2021-07-30 | 广东永高塑业发展有限公司 | Socket type structure wall winding pipe and butt joint sealing performance detection method thereof |
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| CN103994863A (en) * | 2013-02-20 | 2014-08-20 | 中国石油天然气集团公司 | Air-tight sealing detection method of threaded connection of oil casing tubes |
| 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 |
| CN106680100A (en) * | 2015-11-05 | 2017-05-17 | 中石化石油工程技术服务有限公司 | Withstand test device for detectors in seabed pipelines |
| CN207600694U (en) * | 2017-11-30 | 2018-07-10 | 贝兹维仪器(苏州)有限公司 | A kind of integrated sealing system safety testing device of LWD |
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2017
- 2017-11-30 CN CN201711244506.7A patent/CN107741310A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994863A (en) * | 2013-02-20 | 2014-08-20 | 中国石油天然气集团公司 | Air-tight sealing detection method of threaded connection of oil casing tubes |
| CN203275041U (en) * | 2013-03-14 | 2013-11-06 | 天源环保有限公司 | Pipeline suppressing device |
| 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 |
| CN106680100A (en) * | 2015-11-05 | 2017-05-17 | 中石化石油工程技术服务有限公司 | Withstand test device for detectors in seabed pipelines |
| CN207600694U (en) * | 2017-11-30 | 2018-07-10 | 贝兹维仪器(苏州)有限公司 | A kind of integrated sealing system safety testing device of LWD |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113187960A (en) * | 2021-05-21 | 2021-07-30 | 广东永高塑业发展有限公司 | Socket type structure wall winding pipe and butt joint sealing performance detection method thereof |
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