CN108119129A - Component is altered in cement mortar survey - Google Patents
Component is altered in cement mortar survey Download PDFInfo
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- CN108119129A CN108119129A CN201711121090.XA CN201711121090A CN108119129A CN 108119129 A CN108119129 A CN 108119129A CN 201711121090 A CN201711121090 A CN 201711121090A CN 108119129 A CN108119129 A CN 108119129A
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- Prior art keywords
- end cap
- flange end
- cement mortar
- connecting rod
- ring
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- 239000011083 cement mortar Substances 0.000 title claims abstract description 64
- 238000001514 detection method Methods 0.000 claims abstract description 20
- 238000007789 sealing Methods 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000005465 channeling Effects 0.000 description 37
- 239000007789 gas Substances 0.000 description 34
- 239000004568 cement Substances 0.000 description 32
- 238000012360 testing method Methods 0.000 description 25
- 238000000034 method Methods 0.000 description 17
- 239000004567 concrete Substances 0.000 description 12
- 238000004088 simulation Methods 0.000 description 8
- 230000002706 hydrostatic effect Effects 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000007788 liquid Substances 0.000 description 6
- 208000016261 weight loss Diseases 0.000 description 6
- 230000004580 weight loss Effects 0.000 description 6
- 238000009530 blood pressure measurement Methods 0.000 description 5
- 239000002828 fuel tank Substances 0.000 description 5
- 238000002347 injection Methods 0.000 description 5
- 239000007924 injection Substances 0.000 description 5
- 239000002002 slurry Substances 0.000 description 4
- 238000013100 final test Methods 0.000 description 3
- 230000036571 hydration Effects 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000003129 oil well Substances 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- XQCFHQBGMWUEMY-ZPUQHVIOSA-N Nitrovin Chemical compound C=1C=C([N+]([O-])=O)OC=1\C=C\C(=NNC(=N)N)\C=C\C1=CC=C([N+]([O-])=O)O1 XQCFHQBGMWUEMY-ZPUQHVIOSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010511 deprotection reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000007569 slipcasting Methods 0.000 description 1
- 238000007613 slurry method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/005—Monitoring or checking of cementation quality or level
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Quality & Reliability (AREA)
- Geophysics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
A kind of cement mortar survey is disclosed herein and alters component, including connecting rod and inner sleeve；The connecting rod is arranged in the inner sleeve, and the ring-shaped cavity is formed between the inner wall of the inner sleeve and the connecting rod；The inner sleeve bottom is connected with first flange end cap, and top is connected with second flange end cap, and the both ends of the connecting rod extend through first flange end cap and second flange end cap；The first flange end cap is equipped with the first cement mortar input port and first gas input port, and the second flange end cap is equipped with pressurization detection mouth, and the first cement mortar input port, second gas input port and pressurization detection mouth are connected with ring-shaped cavity.
Description
Technical field
This application involves but be not limited to oil well corollary equipment technical field, component and survey are altered in a kind of especially cement mortar survey
Method for testing.
Background technology
In the Hou Ning stages after cementing, it is main problem in gas well cementing to alter on gases at high pressure.
, there is the following in the main reason for has channeling：Cement sheath replacement efficiency is low when the 1st, cementing the well, and form mud entrainment alters slot,
If gas pressure is more than hydrostatic head of liquid, gas is escaped along slot band is altered；2nd, due to cement quality problem, the cement in annular space is made
Poor with the bonding quality of casing or formation cementation face, gas stitches blowby along annular space；3rd, cement mortar column and mud column in work progress
Gross pressure is less than gas pressure.I.e. " cement slurry weight loss " forms has channeling；Wherein, it is the reason for cement slurry weight loss：Cement slurry water loss
Greatly, the aquation of cement mortar is shunk, cementitious grout itself suspension.
The main harm of has channeling has the following：1st, cementing the well, acoustic amplitude is high, and cementing quality is unqualified；2nd, the production capacity of payzone is lost
Deprotection, causes production capacity to decline；3rd, gas blowout accident occurs；4th, multiple squeeze method makes cementing operation repeat operation.
In the prior art, corresponding simulating test device is provided with for this phenomenon, is matched somebody with somebody with Simulation evaluation oil-well cement
The anti-channeling ability and hydration process of side to fully understand the comprehensive performance of cement, and obtain related data to serve later stage reality
It applies on border.It is had a disadvantage that however, current test device exists：Apparatus structure is complicated, and test operation is cumbersome, it is impossible to effective mould
Intend actual conditions, test result deviation is larger etc..
The content of the invention
The technical issues of the application solves is to provide a kind of cement mortar survey and alters component, can effectively overcome and deposit in the prior art
The defects of, be capable of the structure composition of optimal inspection device, reduce the complexity of operation；Further, additionally it is possible to effective mould
Intend actual conditions, the accuracy of test result can be effectively improved.
In order to solve the above technical problems, this application provides a kind of surveys of cement mortar to alter component, including connecting rod and inner sleeve；
The connecting rod is arranged in the inner sleeve, and the ring is formed between the inner wall of the inner sleeve and the connecting rod
Shape cavity；
The inner sleeve bottom is connected with first flange end cap, and top is connected with second flange end cap, the connecting rod
Both ends extend through first flange end cap and second flange end cap；
The first flange end cap is equipped with the first cement mortar input port and first gas input port, the second flange end
Cover equipped with pressurization detection mouth, the first cement mortar input port, second gas input port and pressurization detection mouth with ring-type
Cavity connects.
Component is altered in above-mentioned cement mortar survey, can also have following features,
Annular filter screen is additionally provided in the first flange end cap.
Component is altered in above-mentioned cement mortar survey, can also have following features,
The first gas input port is arranged on the one side that the annular filter screen deviates from the ring-shaped cavity, first water
Mud input port is arranged on the annular filter screen towards the one side of the ring-shaped cavity.
Component is altered in above-mentioned cement mortar survey, can also have following features,
The connecting rod is provided with first annular step, the annular filter screen be clamped on the first annular step with it is described
Between the inner face of first flange end cap.
Component is altered in above-mentioned cement mortar survey, can also have following features,
Ring baffle is additionally provided in the second flange end cap, the ring baffle is arranged on the end of described sleeve pipe,
Venthole is offered on the ring baffle.
Component is altered in above-mentioned cement mortar survey, can also have following features,
The connecting rod is provided with the second ring-shaped step, the ring baffle be clamped on second ring-shaped step with it is described
Between the inner face of second flange end.
Component is altered in above-mentioned cement mortar survey, can also have following features,
The both ends of the connecting rod extend respectively to the first flange end cap, the outside of the second flange end cap, institute
The both ends for stating connecting rod are respectively connected with clamp nut, and the clamp nut is used for the first flange end cap, second method
Blue end cap is fixed in the connecting rod.
Component is altered in above-mentioned cement mortar survey, can also have following features,
On the contact surface of the connecting rod and the inner sleeve, the connecting rod and the contact surface of the first flange end cap
Upper, described connecting rod on the contact surface of the second flange end cap with being both provided with sealing ring.
Component is altered in above-mentioned cement mortar survey, can also have following features,
The ring baffle on the contact surface of the second flange end cap, the ring baffle connects with the inner sleeve
Sealing ring is both provided in contacting surface.
Component is altered in above-mentioned cement mortar survey, can also have following features,
It is insertion connection between the inner sleeve and the first flange end cap, the second flange lid.
The application above-mentioned technical proposal has the advantages that：
Compared with the prior art, the cooperation test of component is altered in above-mentioned cement mortar survey, and simulation cement mortar that can be true to nature is in ring
Aerial weightless whole process naturally, and can continuously measure record cement and generate quiet gelling and the weight-loss curve and number of hydration process
According to；Meanwhile above device can also test the ability of cement-slurry method control formation gas intrusion after injection cement, this dress
Simulation various parameters that can be actual are put, such as：Temperature, strata pressure, liquid-column height etc.；Above device preferably passes through computer
Control, to realize real time data acquisition, display, storage.
Further, the present invention can effectively simulate cement mortar on stratum and set by the setting of above-mentioned ring-shaped cavity
Ring-shaped cavity between pipe；Can stratum can be realized by the above-mentioned first gas input port being arranged at first flange end cap
Pressure is capable of the actual flow direction of effective simulated formation pressure out of bottom of device injection ring-shaped cavity；It is above-mentioned to be arranged on the second method
Whether pressurization detection mouth at blue end cap, can detect has gas to migrate from bottom of device after concrete column to device,
And then it can effectively detect has channeling process in annular space.
Further, the present invention can also can effectively ensure that by the setting of above-mentioned annular filter screen and stop that cement enters survey
In the first gas input port for altering device, the normal operation inside system pipeline can effectively ensure that, to ensure final test knot
The accuracy of fruit；It should be noted that the setting of above-mentioned annular filter screen, will not scurry into gas cement sheath null process and cause shadow
It rings.
Further, the present invention can also can effectively be transferred by the setting of above-mentioned ring baffle and carry out self-pressurization detection mouth
Pressure, also can effectively prevent that cement mortar column integrally moves up when surveying has channeling, cement mortar column is enabled to keep current position
It puts, cement mortar column in test process can effectively be avoided to move up caused has channeling test error, can effectively ensure that final survey
The accuracy of test result；The setting of above-mentioned venthole can effectively ensure that has channeling gas smoothly enters second from cement mortar column
At pressurization detection mouth in flange end cap.
Other features and advantage will illustrate in the following description, also, partly become from specification
It obtains it is clear that being understood by implementing the embodiment of the present invention.The purpose of the application and other advantages can be by illustrating
Specifically noted structure is realized and obtained in book, claims and attached drawing.
Description of the drawings
Attached drawing is used for providing further understanding technical scheme, and a part for constitution instruction, with this
The embodiment of application for explaining the technical solution of the application, does not form the limitation to technical scheme together.
Fig. 1 is the structure diagram of the embodiment of the present invention one；
Fig. 2 is the partial enlarged view at A1 in Fig. 1；
Fig. 3 is the partial enlarged view at A2 in Fig. 1；
Shown by reference numeral：
1- has channeling pipes, 11- first flange end caps, 12- connecting rods, 13- inner sleeves, 14- second flange end caps, 15- annulars
Baffle, 16- annular filter screens；
The weightless pipes of 2-, 3- cartridge heaters；
The first cement mortars of a- input port, b- first gas input port, c- pressurization detection mouths, d- fuel tank oil inlets, e- fuel tanks
Oil outlet.
Specific embodiment
Embodiments herein is described in detail below in conjunction with attached drawing.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Embodiment one：
The embodiment of the present invention one provides a kind of has channeling simulating test device, including cartridge heater and is arranged on inside cartridge heater
Two cement mortars survey alter component；Wherein, above-mentioned two cement mortar, which surveys one altered in component, has channeling simulation test to be used as to fill
Has channeling pipe in putting, another can complete corresponding has channeling with common cooperation and simulate as the weightlessness pipe in has channeling simulator
Test operation.
As shown in Figure 1, above-mentioned has channeling simulating test device, can include the has channeling pipe 1 for measuring cement has channeling process
With for measuring the weightless pipe 2 of cement liquid column hydrostatic pressure；Wherein, has channeling pipe 1, weightless pipe 2 are arranged in cartridge heater 3, has channeling
Pipe 1, weightless pipe 2 are both provided with to accommodate the ring-shaped cavity of cement.Wherein, the setting of above-mentioned weightless pipe 2, Neng Goushi can be passed through
The detection operation of the cement liquid column hydrostatic pressure value of existing unit height, can realize cement mortar by the setting of above-mentioned has channeling pipe 1
The detection of anti-channeling ability by the setting of above-mentioned cartridge heater 3, can be capable of the temperature of effective simulated formation so that test result is more
It is accurate to add.
Compared with the prior art, the cooperation test of component, simulation cement mortar that can be true to nature are altered in the survey of above-mentioned two cement mortar
The weightless whole process, and can continuously measure weight-loss curve and number that cement generates quiet gelling and hydration process naturally in annular space
According to；Meanwhile above device can also test the ability of cement formula control formation gas intrusion after injection cement, this device
Simulation various parameters that can be actual, such as：Temperature, strata pressure, liquid-column height etc.；Above device preferably passes through computer control
System, to realize real time data acquisition, display, storage.
As shown in Figure 1, the left side in above-mentioned cartridge heater 3 is provided with has channeling pipe 1, right side is provided with weightless pipe 2；Above-mentioned has channeling
Pipe 1 and weightless pipe 2 can effectively ensure that the sample temperature in two experimental provisions in same hydronic cartridge heater 3
It is completely the same；Wherein, d is fuel tank oil inlet, and e is fuel tank oil outlet.
In concrete operations, above-mentioned cartridge heater 3 may be provided with to accommodate the cavity of has channeling pipe 1 and weightless pipe 2 and surround
The heating chamber that cavity is set, heating chamber are provided with to connect the interface of fuel tank pipeline；Can by the setting of above-mentioned weightless pipe 2,
The corresponding zero-G test curve surveyed to determine the test pressure of has channeling experiment and time point, judges cement mortar by weight-loss curve
Whether weightlessness terminates, and judges the quality of different leakage-proof mud systems according to experimental result before cement slurry weight loss terminates,
It can be according to different hole condition contrived experiment schemes, to meet the needs of different well cementation.
In the present embodiment, the cement liquid column hydrostatic pressure value of unit height by the setting of above-mentioned weightless pipe 2, can be measured, with 1
Exemplified by meter Gao Du cement, the cement liquid column hydrostatic pressure value measured is a；If thinking, simulation measures the anti-channeling ability of 10 meters of height cement,
Then apply certain pressure in has channeling pipe 1, can specifically apply the pressure of 9a so that 1 base pressure value of has channeling pipe reaches 10a
.
When the pressure value of has channeling pipe 1 reaches strata pressure, the gas of constant pressure can be passed through from first gas input port b
With the continuous reduction of 1 top input pressure of has channeling pipe, the pressure differential become larger is generated in cement sheath bottom and top for body；
And then can the parameters such as corresponding gas flow, flow velocity be detected, accurately to determine by the pressurization detection mouth c on 1 top of has channeling pipe
The anti-channeling ability of cement.
With reference to shown in Fig. 1-Fig. 3, the concrete composition that component is altered in cement mortar survey will be described in detail by taking has channeling pipe 1 as an example as follows
Structure.
In the present embodiment, component is altered in cement mortar survey includes connecting rod 12 and inner sleeve 13；Connecting rod 12 is arranged on inner sleeve 13
In, form ring-shaped cavity between the inner wall of inner sleeve 13 and connecting rod 12；One end of inner sleeve 13 is connected with first flange end cap
11, the other end is connected with second flange end cap 14, and the both ends of connecting rod 12 extend through first flange end cap 11 and second flange
End cap 14；First flange end cap 11 is equipped with the first cement mortar input port a and first gas input port b, second flange end cap 14 are set
There are pressurization detection mouth c, the first cement mortar input port a, first gas input port b and pressurization detection mouth c to be connected with ring-shaped cavity.
In concrete operations, can by the setting of above-mentioned ring-shaped cavity, can effectively simulate cement mortar stratum and casing it
Between ring-shaped cavity；Above-mentioned the first cement mortar input port a being arranged at second flange end cap 14, can realize cement from device
In bottom injection ring-shaped cavity；When cement mortar fills completely to be overflowed at the top of device, slip casting can be stopped, closing valve；On
The cooperation of the first cement mortar input port a and ring-shaped cavity is stated, actual well cementation can be simulated, cement mortar is returned from sleeve bottom into annular space
Process.
Further, can also be realized by the above-mentioned first gas input port b being arranged at first flange end cap 11
Strata pressure is capable of the actual flow direction of effective simulated formation pressure out of bottom of device injection ring-shaped cavity；It is above-mentioned to be arranged on
Whether pressurization detection mouth c at two flange end caps 14, can detect has gas to migrate from bottom of device after concrete column to dress
Top set portion, and then can effectively detect has channeling process in annular space；Above-mentioned monitoring process can pass through the gas of measurement pressurization detection mouth c
The scale of construction and gas flow rate are realized.
Preferably, in the present embodiment, annular filter screen 16, first gas input are additionally provided in above-mentioned first flange end cap 11
Mouth b is arranged on the one side that annular filter screen 16 deviates from ring-shaped cavity, and the first cement mortar input port a is arranged on annular filter screen 16 towards ring
The one side of shape cavity.
In concrete operations, the setting of above-mentioned annular filter screen 16 can effectively ensure that stopping that cement enters to survey alters the of device
In one gas input port b, the normal operation inside system pipeline can effectively ensure that, to ensure the accurate of final testing result
Property；It should be noted that the setting of above-mentioned annular filter screen 16, will not scurry into gas cement sheath null process and impact.
Further, in the present embodiment, above-mentioned first flange end cap 11 is additionally provided with pressure measurement mouth, pressure measurement mouth and
One gas input port b is arranged on the same side of annular filter screen 16.In concrete operations, pass through the setting of above-mentioned pressure measurement mouth, energy
It enough realizes the real-time monitoring of the pressure value of cement annular space bottom, and then necessary basic number is provided for subsequent control analysis
According to.
In concrete operations, above-mentioned connecting rod 12 is provided with first annular step, and annular filter screen 16 is clamped on first annular
Between the inner face of rank and first flange end cap 11；In installation process, first gas input port b and pressure measurement mouth can be opened up
In the bottom of first flange end cap 11, above-mentioned first cement mortar input port a is opened on the side wall of first flange end cap 11, then
Annular filter screen 16 is arranged on the inner face of first flange end cap 11, and passes through above-mentioned first annular step clamping.Above-mentioned ring
The setting of shape strainer 16 can effectively avoid mud from entering first gas input port b or pressure measurement mouth, and then be effectively ensured most
The accuracy of whole test result.
In the present embodiment, ring baffle 15 is additionally provided in above-mentioned second flange end cap 14, ring baffle 15 is arranged on set
The end of pipe offers venthole on ring baffle 15；In addition, above-mentioned second flange end cap 14 may be provided with multiple pressurization detections
Mouthful, to realize the test operation of the control of simulation different length cement mortar and has channeling amount.
In concrete operations, the setting of above-mentioned ring baffle 15 can effectively transfer the pressure from applied voltage test mouth, can
It effectively prevents that cement mortar column integrally moves up when surveying has channeling, cement mortar column is enabled to keep current position, can effectively be kept away
Exempt from cement mortar column in test process and move up caused has channeling test error, can effectively ensure that the accurate of final testing result
Property；The setting of above-mentioned venthole can effectively ensure that has channeling gas smoothly enters on second flange end cap 14 from cement mortar column
Pressurization detection mouth c at.
In the present embodiment, above-mentioned connecting rod 12 is provided with the second ring-shaped step, and ring baffle 15 is clamped on the second annular table
Between the inner face of rank and second flange end；Wherein, the setting of above-mentioned second ring-shaped step, can realize ring baffle 15
Effective clamping operation.
In concrete operations, above-mentioned ring baffle 15 can be set in connecting rod 12, above-mentioned second ring-shaped step can have
Effect limitation ring baffle 15 moves down operation；Meanwhile the upper surface outer of above-mentioned ring baffle 15 can be held out against at second flange end
On the inner face of lid, and the peripheral wall of above-mentioned ring baffle 15 can contact with each other with edge in the end of inner sleeve 13；When connecting rod 12
When connection fastening between fastening, second flange end cap 14 and inner sleeve 13 is connected between second flange end cap 14, ring baffle
15 can realize that corresponding position is fixed.
In the present embodiment, the both ends of connecting rod 12 extend respectively to first flange end cap 11, second flange end cap 14 it is outer
Side, the both ends of connecting rod 12 are respectively connected with clamp nut, and clamp nut is used for first flange end cap 11, second flange end cap 14
It is fixed in connecting rod 12；Further, between above-mentioned inner sleeve 13 and first flange end cap 11, second flange lid it is insertion
Connection.
In order to improve the overall sealing performance that device is altered in above-mentioned survey；Preferably, in the present embodiment, above-mentioned connecting rod 12
With on the contact surface of inner sleeve 13, on the contact surface of connecting rod 12 and first flange end cap 11, inner sleeve 13 and first flange end
Sealing ring is both provided on the contact surface of lid 11, on the contact surface of connecting rod 12 and second flange end cap 14；Further, it is above-mentioned
On the contact surface of baffle 15 and second flange end cap 14, baffle 15 is on the contact surface of inner sleeve 13 with being both provided with sealing ring.
In concrete operations, annular filter screen 16 can be loaded onto from 12 lower end of connecting rod first, meanwhile, sealing ring is also mounted to connect
On extension bar 12 and on corresponding first flange end cap 11；And then be connected first flange end cap 11 with connecting rod 12, and by nut
It tightens；Sealant rubber ring is placed into 11 inside of first flange end cap, by phase between the bottom of inner sleeve 13 and first flange end cap 11
It connects, the structure connection of 1 bottom of has channeling pipe can be completed at this time.Then, then by sealing ring it is installed to 12 upper end of connecting rod, annular
On baffle 15 and 15 outsides, and ring baffle 15 is arranged on inner sleeve 13, then second flange end cap 14 is sleeved on inner sleeve
13 and the outside of connecting rod 12, and nut is tightened in connecting rod 12, can complete the structure connection at 1 top of has channeling pipe at this time.
Identical with the structure of has channeling pipe 1 based on weightless pipe 2, effect is different；Weightless pipe will be briefly described as follows.
In the present embodiment, the setting of above-mentioned weightlessness pipe 2, it is intended to can realize the cement liquid column hydrostatic pressure value of unit height
Detection operation, and then by the multiple proportion between object height and unit height, to know the cement hydrostatic column of object height
The calculating operation of pressure value.
In the description of the present application, term " installation ", " connected ", " connection ", " fixation " etc. should all be interpreted broadly, example
Such as, " connection " can be fixedly connected or be detachably connected or be integrally connected；It can be directly connected, it can also
It is indirectly connected by intermediary.For the ordinary skill in the art, above-mentioned art can be understood as the case may be
The concrete meaning of language in this application.
In the description of this specification, the description of term " one embodiment ", " some embodiments ", " specific embodiment " etc.
Mean to combine at least one reality that the particular features, structures, materials, or characteristics that the embodiment or example describe are contained in the application
It applies in example or example.In the present specification, schematic expression of the above terms is not necessarily referring to identical embodiment or reality
Example.Moreover, description particular features, structures, materials, or characteristics can in any one or more embodiments or example with
Suitable mode combines.
Although those skilled in the art should be understood that embodiment disclosed by the embodiment of the present invention as above, described
The content only embodiment of the present invention and the embodiment that uses for ease of understanding, be not limited to the embodiment of the present invention.It is any
Technical staff in fields of the embodiment of the present invention, in the premise for not departing from the spirit and scope disclosed by the embodiment of the present invention
Under, any modification and variation, but the scope of patent protection of the embodiment of the present invention can be carried out in the form and details of implementation,
Still it should be subject to the scope of the claims as defined in the appended claims.
Claims (10)
1. component is altered in a kind of cement mortar survey, which is characterized in that including connecting rod and inner sleeve；
The connecting rod is arranged in inner sleeve, and ring-shaped cavity is formed between the inner wall and connecting rod of inner sleeve；
The inner sleeve bottom is connected with first flange end cap, and top is connected with second flange end cap, the both ends difference of connecting rod
Through first flange end cap and second flange end cap；
The first flange end cap is equipped with the first cement mortar input port and first gas input port, and second flange end cap is equipped with
Pressurization detection mouth, the first cement mortar input port, second gas input port and pressurization detection mouth are connected with ring-shaped cavity.
2. component is altered in cement mortar survey according to claim 1, which is characterized in that
Annular filter screen is additionally provided in the first flange end cap.
3. component is altered in cement mortar survey according to claim 2, which is characterized in that
The first gas input port is arranged on the one side that annular filter screen deviates from ring-shaped cavity, and the first cement mortar input port is arranged on
Annular filter screen is towards the one side of ring-shaped cavity.
4. component is altered in the cement mortar survey according to Claims 2 or 3, which is characterized in that
The connecting rod is provided with first annular step, and annular filter screen is clamped on the interior of first annular step and first flange end cap
Between end face.
5. component is altered in cement mortar survey according to claim 1, which is characterized in that
Ring baffle is additionally provided in the second flange end cap, ring baffle is arranged on the end of casing, is opened on ring baffle
Equipped with venthole.
6. component is altered in cement mortar survey according to claim 5, which is characterized in that
The connecting rod is provided with the second ring-shaped step, and ring baffle is clamped on the interior of the second ring-shaped step and second flange end
Between end face.
7. component is altered in the cement mortar survey according to claim 1 or 2 or 3, which is characterized in that
The both ends of the connecting rod extend respectively to first flange end cap, the outside of second flange end cap, and the both ends of connecting rod are equal
Clamp nut is connected with, clamp nut is used to first flange end cap, second flange end cap being fixed on connecting rod.
8. component is altered in the cement mortar survey according to claim 1 or 2 or 3, which is characterized in that
On the contact surface of the connecting rod and inner sleeve, on the contact surface of connecting rod and first flange end cap, connecting rod and second
Sealing ring is both provided on the contact surface of flange end cap.
9. component is altered in cement mortar survey according to claim 5 or 6, which is characterized in that
The ring baffle is close with being both provided on the contact surface of second flange end cap, on the contact surface of ring baffle and inner sleeve
Seal.
10. component is altered in the cement mortar survey according to claim 1 or 2 or 3, which is characterized in that
It is insertion connection between the inner sleeve and first flange end cap, second flange lid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121090.XA CN108119129B (en) | 2017-11-13 | 2017-11-13 | Grout surveys scurries subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711121090.XA CN108119129B (en) | 2017-11-13 | 2017-11-13 | Grout surveys scurries subassembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108119129A true CN108119129A (en) | 2018-06-05 |
| CN108119129B CN108119129B (en) | 2021-07-06 |
Family
ID=62227711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201711121090.XA Active CN108119129B (en) | 2017-11-13 | 2017-11-13 | Grout surveys scurries subassembly |
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