CN208380561U - A kind of Novel cement slurry leakproof evaluating apparatus - Google Patents
A kind of Novel cement slurry leakproof evaluating apparatus Download PDFInfo
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- CN208380561U CN208380561U CN201821117637.9U CN201821117637U CN208380561U CN 208380561 U CN208380561 U CN 208380561U CN 201821117637 U CN201821117637 U CN 201821117637U CN 208380561 U CN208380561 U CN 208380561U
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- rod
- leakproof
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Abstract
The utility model discloses a kind of Novel cement slurry leakproof evaluating apparatus, including heating outer cylinder, slurry cylinder, liquid holding device, liquid measure picking platform, air accumulator, support frame and data Collection & Processing System；It heats outer tube side wall and temperature sensor is set, setting slurry cylinder in heating outer cylinder, slurry cylinder upper end is equipped with upper end cover；Air inlet, relief valve and pressure sensor is arranged in upper end cover center, and air inlet connects air accumulator by appendix, pressure switch and gas control valve is arranged on appendix；Screw between the lower cover of cylinder lower end and slurry cylinder is starched to be fixedly connected；Through-hole is arranged in lower cover center, and cement slurry discharge pipe is arranged in through-hole, and liquid holding device is placed below discharge pipe, liquid measure picking platform is arranged below liquid holding device, liquid measure picking platform, pressure switch, temperature sensor are equal to be connected with data Collection & Processing System；Height-adjustable support frame is arranged in heating outer cylinder lower end.The cement slurry leakproof evaluating apparatus good airproof performance of the utility model, structure is simple, and the installation and removal of device is facilitated to clean.
Description
Technical field
It is anti-that the utility model belongs in oil exploration and development fields more particularly to a kind of drilling engineering cement slurry used of cementing the well
Leak the device of performance evaluation.
Background technique
Leakage is often referred to various working solutions (including the drilling well during underground work such as drilling, well cementation, test or well workover
Liquid, cement slurry, completion fluid and other fluids etc.) a kind of down hole problem on stratum is directly entered under the action of pressure difference.
Leakage is always a problem of drilling well industry, and along with the development of drilling technology, leakage stopping technology also develops constantly.For
Easy absorption well, although having carried out leak stopping to leakage interval in drilling process, because plugging effect is bad, there are still leakages；Together
When, cement slurry density is usually above drilling fluid when due to cementing and viscosity shear force more great Yi causes secondary leakage.Leakage can be straight
Influence cementing quality is connect, to influence subsequent production operation.Due to underground drop ply position uncertainty and leakage channel not
It is relatively low to sometimes result in leak stopping success rate for certainty.And the not perfect of Lab-evaluation device is also to restrict leak-stopping technique, leak stopping material
One critical issue of material technology development.Therefore, it is the plugging effect for evaluating Antileakage Cement Slurry, needs to pass through instrument in laboratory
Device simulates subsurface environment and leakage channel, verifies the plugging effect of plugging material, preferably suitable plugging material.One can have
Effect simulation underground drop ply and the evaluating apparatus for missing state can significantly promote the progress of leakage stopping technology.
Utility model content
The purpose of the utility model is to provide a kind of good airproof performances, and structure is simple, novel water easy for removal and installation
Mud leakproof evaluating apparatus.
To achieve the goals above, the utility model provides a kind of Novel cement slurry leakproof evaluating apparatus, including heating
Outer cylinder, slurry cylinder, liquid holding device, liquid measure picking platform, air accumulator, support frame and data Collection & Processing System.
Temperature sensor is arranged in the heating outer tube side wall, and heating outer barrel surface is provided with adiabator layer, heats outer cylinder
Cylinder is starched in interior setting, and slurry cylinder upper end is equipped with upper end cover, and upper end cover and the contact surface for starching cylinder are equipped with sealing ring.Starch cylinder upper end opening edge
Equipped with the locating part protruded horizontally up outward, starches cylinder and be put into heating outer cylinder from heating outer cylinder upper end, the locating part of slurry cylinder upper end is hung
Lean against heating outer cylinder upper port.Air inlet, relief valve and pressure sensor is arranged in upper end cover center, and air inlet is connected by appendix
Air accumulator is connect, pressure switch and gas control valve are set on appendix.
The slurry cylinder lower end inside and outside circumferentially open up annular stop step respectively, install leakage on inner side limiting-position step
Medium is lost, the effective diameter of the leakage medium is corresponding with slurry cylinder internal diameter, and missing in medium has pore channel and gap passage；Leakage
It loses and lower cover is installed below medium, screw is fixedly connected between lower cover and slurry cylinder, and lower end cap surface is provided with adiabator layer.
Lower cover is constituted by lid and positioned at the cylindrical protrusions of lid medial center, is formed between protrusion and lid inner sidewall for holding
It receives the ring-shaped groove of slurry cylinder lower end, sealing ring is equipped in groove, the limited step of slurry cylinder lower end outside is closely matched with covered body wall
It closes, protruding apex is against the bottom surface of leakage medium；The top of the protrusion offers taper or hemispherical groove, and bottom portion of groove is downward
The through-hole of perforation lower cover is opened up, cement slurry discharge pipe is set in through-hole, baiting valve is set on discharge pipe, is put immediately below discharge pipe
It sets liquid holding device, liquid measure picking platform is set below liquid holding device, the liquid measure picking platform, pressure switch, temperature sensor are and data
Acquisition is connected with processing system.Height-adjustable support frame is arranged in the heating outer cylinder lower end.
Preferably, support frame as described above includes circular ring shape pallet, and it is adjustable that tray bottom is detachably provided with three length
The supporting leg of section, heating outer cylinder lower end are placed on pallet, and slurry cylinder bottom end is located in the gap among pallet.
Preferably, the supporting leg includes first body of rod and second body of rod of slidable connection, and second body of rod is located at top,
And be set in first body of rod, the first body of rod upper end is equipped with internal screw thread, with the external screw thread phase tooth of the second body of rod lower end and, the first bar
Body and the second body of rod joint are provided with tight split nut, and the second body of rod upper end is equipped with external screw thread, tray bottom open up threaded hole with
The connection of second body of rod upper external screw thread.
It may further be preferable that the locating part is the annulus for being fixed on slurry cylinder upper end opening edge, plane where annulus
It is vertical with slurry cylinder side wall；Alternatively, the locating part is at least two limited blocks for being fixed on slurry cylinder upper end opening edge, limited block
It is evenly distributed on slurry cylinder upper end opening edge, limited block is vertical with slurry cylinder side wall.
Compared with prior art, the utility model has the following beneficial effects:
(1) structure composition of the evaluating apparatus is simple, is easily installed disassembly: when installation, slurry cylinder is from heating outer cylinder first
End is put into heating outer cylinder, and the locating part of slurry cylinder upper end is affiliated in heating outer cylinder upper port, and it is outer that slurry cylinder limit is fixed on heating
On cylinder, prevent slurry cylinder since gravity skids off heating outer cylinder, while also avoid using other fixing pieces will heat outer cylinder with
Slurry cylinder is fixedly connected；Then installation leakage medium and lower cover, lower cover have the function of support leakage medium and sealing simultaneously
Starch the effect of cylinder；Good airproof performance；After experiment, when needing provision for disengagement, lower cover need to only be removed, so that it may easily removal leakage
Medium or replacement leakage medium, slurry cylinder can also easily take out from heating outer cylinder upper end.
(2) support frame is height-adjustable: the length by adjusting supporting leg, and then adjusts the height of support frame, convenient for real
Operator adjusts the height of the main elements such as the heating outer cylinder of evaluating apparatus, easy to operate, strong applicability as needed when testing.
(3) leakage of the dual leakage medium simulation cement slurry combined using crack with hole in the slot apertures of stratum, compared with
Referring to existing cement slurry leak-proof leak-stopping evaluation method, the characteristics of more meeting leak-proof leak-stopping cement mortar, and according to it is more scientific, with it is real
Border engineering is closer, has the characteristics of easy to operate, strong applicability, to meet the requirement of leak-proof leak-stopping well cementation.
The further advantage, target and feature of the utility model will be partially reflected by the following instructions, and part will also pass through
Research and practice to the utility model and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1, the utility model cement slurry leakproof evaluating apparatus structural schematic diagram.
The sectional view of Fig. 2, lower cover.
Fig. 3, support frame structure diagram.
Fig. 4, leg structure schematic diagram.
The top view of cylinder is starched in Fig. 5, one embodiment.
The top view of cylinder is starched in Fig. 6, another embodiment.
Figure label:
Heat outer cylinder 1, slurry cylinder 2, liquid holding device 3, liquid measure picking platform 4, air accumulator 5, support frame 6, data acquisition and procession system
System 7, temperature sensor 8, adiabator layer 9, upper end cover 10, sealing ring 11, locating part 12, air inlet 13, relief valve 14, pressure
Sensor 15, pressure switch 16, gas control valve 17, leakage medium 18, lower cover 19, lid 191, cylindrical protrusions 192, half
Spherical groove 193, through-hole 194, cement slurry discharge pipe 20, baiting valve 21, pallet 61, supporting leg 62, first body of rod 621, the second bar
Body 622, split nut 623, internal screw thread 624, external screw thread 625.
Specific embodiment
The following describes the utility model in further detail with reference to the accompanying drawings, to enable those skilled in the art referring to explanation
Book text can be implemented accordingly.
It should be appreciated that such as " having ", "comprising" and " comprising " term used herein do not allot one or more
The presence or addition of a other elements or combinations thereof.
As shown in figures 1 to 6, the utility model provides a kind of Novel cement slurry leakproof evaluating apparatus, including heating outer cylinder 1,
Starch cylinder 2, liquid holding device 3, liquid measure picking platform 4, air accumulator 5, support frame 6 and data Collection & Processing System 7.
Temperature sensor 8 is arranged in the heating outer tube side wall, and heating outer barrel surface is provided with adiabator layer 9, and heating is outer
Slurry cylinder is set in cylinder, and slurry cylinder upper end is equipped with upper end cover 10, and upper end cover and the contact surface for starching cylinder are equipped with sealing ring 11.It opens slurry cylinder upper end
Mouth edge is equipped with the locating part 12 protruded horizontally up outward, and slurry cylinder is put into heating outer cylinder from heating outer cylinder upper end, starches cylinder upper end
Locating part is affiliated in heating outer cylinder upper port.The locating part 12 is the annulus for being fixed on slurry cylinder upper end opening edge, annulus institute
It is vertical (see Fig. 5) in plane and slurry cylinder side wall.Alternatively, the locating part is be fixed on slurry cylinder upper end opening edge at least two
Limited block, limited block are evenly distributed on slurry cylinder upper end opening edge, and limited block and slurry cylinder side wall are vertical (see Fig. 6).In upper end cover
Air inlet 13, relief valve 14 and pressure sensor 15 is arranged in the heart, and air inlet connects air accumulator by appendix, and air accumulator is provided with
Pressure switch 16 and gas control valve 17 are arranged on appendix for nitrogen.
2 lower end inside of slurry cylinder and outside circumferentially open up annular stop step respectively, install on inner side limiting-position step
Medium 18 is missed, the effective diameter of the leakage medium 18 is corresponding with slurry 2 internal diameter of cylinder, and missing in medium 18 has pore channel and seam
Gap channel；It misses and lower cover 19 is installed below medium 18, screw is fixedly connected between lower cover and slurry cylinder, the setting of lower end cap surface
There is adiabator layer.Lower cover is constituted by lid 191 and positioned at the cylindrical protrusions 192 of lid medial center, protrusion and lid
The ring-shaped groove for accommodating slurry cylinder lower end is formed between inner sidewall, is equipped with sealing ring 11 in groove, is starched the limit of cylinder lower end outside
Position step and covered body wall are fitted close, and protruding apex is against the bottom surface of leakage medium；The top of the protrusion offer taper or
Hemispherical groove 193, bottom portion of groove open up downwards the through-hole 194 of perforation lower cover, cement slurry discharge pipe 20, row are arranged in through-hole
Baiting valve 21 is set in outlet pipe, liquid holding device is placed immediately below discharge pipe, liquid measure picking platform 4, the liquid measure are set below liquid holding device
Picking platform 4, pressure switch 16, temperature sensor 8 are connected with data Collection & Processing System 7.
Height-adjustable support frame 6 is arranged in the heating outer cylinder lower end.As shown in figure 3, support frame as described above 6 includes annulus
Shape pallet 61, tray bottom are detachably provided with the supporting leg 62 of three adjustable in length, and heating outer cylinder lower end is placed on pallet
On, slurry cylinder bottom end is located in the gap among pallet.It further limits, as shown in figure 4, the supporting leg 62 includes slidably
First body of rod 621 and second body of rod 622 of connection, second body of rod is located at top, and is set in first body of rod, on first body of rod
End is equipped with internal screw thread 624, with the external screw thread phase tooth of the second body of rod lower end and, first body of rod and the second body of rod joint are provided with tightly
Split nut 623, the second body of rod upper end are equipped with external screw thread 625, and tray bottom opens up threaded hole and the second body of rod upper external screw thread connects
It connects.The support frame it is height-adjustable, need to adjust the height of evaluating apparatus convenient for thoroughly doing away with when experimental implementation.
It is not only in the description and the implementation although the embodiments of the present invention have been disclosed as above
Listed utilization.It can be applied to various fields suitable for the present invention completely.For those skilled in the art,
Other modifications may be easily implemented.Therefore without departing from the general concept defined in the claims and the equivalent scope, this reality
It is not limited to specific details and legend shown and described herein with novel.
Claims (6)
1. a kind of Novel cement slurry leakproof evaluating apparatus, which is characterized in that including heating outer cylinder, slurry cylinder, liquid holding device, liquid measure acquisition
Platform, air accumulator, support frame and data Collection & Processing System；
Temperature sensor is arranged in the heating outer tube side wall, and setting slurry cylinder in heating outer cylinder, slurry cylinder upper end is equipped with upper end cover, starches cylinder
Upper end opening edge is equipped with the locating part protruded horizontally up outward, and slurry cylinder is put into heating outer cylinder from heating outer cylinder upper end, starches on cylinder
The locating part at end is affiliated in heating outer cylinder upper port；Air inlet, relief valve and pressure sensor, air inlet is arranged in upper end cover center
Air accumulator is connected by appendix, pressure switch and gas control valve are set on appendix；
The slurry cylinder lower end inside and outside circumferentially open up annular stop step respectively, and installation leakage is situated between on inner side limiting-position step
The effective diameter of matter, the leakage medium is corresponding with slurry cylinder internal diameter, and missing in medium has pore channel and gap passage；Leakage is situated between
Lower cover is installed, screw is fixedly connected between lower cover and slurry cylinder below matter；Lower cover is by lid and is located at lid medial center
Cylindrical protrusions constitute, formed between protrusion and lid inner sidewall for accommodating the ring-shaped groove for starching cylinder lower end, set in groove
There is sealing ring, the limited step and covered body wall for starching cylinder lower end outside are fitted close, and protruding apex is against the bottom surface of leakage medium；
The top of the protrusion offers taper or hemispherical groove, and bottom portion of groove opens up downwards the through-hole of perforation lower cover, sets in through-hole
Cement slurry discharge pipe is set, baiting valve is set on discharge pipe, liquid holding device is placed immediately below discharge pipe, setting liquid measure is adopted below liquid holding device
Ji Tai, the liquid measure picking platform, pressure switch, temperature sensor is equal is connected with data Collection & Processing System；
Height-adjustable support frame is arranged in the heating outer cylinder lower end.
2. Novel cement slurry leakproof evaluating apparatus as described in claim 1, which is characterized in that support frame as described above includes circular ring shape
Pallet, tray bottom are detachably provided with the supporting leg of three adjustable in length, and heating outer cylinder lower end is placed on pallet, starch cylinder
Bottom end is located in the gap among pallet.
3. Novel cement slurry leakproof evaluating apparatus as claimed in claim 2, which is characterized in that the supporting leg includes slidably connecting
First body of rod and second body of rod connect, second body of rod is located at top, and is set in first body of rod, and the first body of rod upper end is equipped with interior
Screw thread, with the external screw thread phase tooth of the second body of rod lower end and, first body of rod and the second body of rod joint are provided with tight split nut, second
Body of rod upper end is equipped with external screw thread, and tray bottom opens up threaded hole and connect with the second body of rod upper external screw thread.
4. Novel cement slurry leakproof evaluating apparatus as described in claim 1, which is characterized in that the heating outer barrel surface setting
There is adiabator layer, lower end cap surface is provided with adiabator layer.
5. Novel cement slurry leakproof evaluating apparatus as described in claim 1, which is characterized in that the locating part is to be fixed on slurry
The annulus at cylinder upper end opening edge, plane is vertical with slurry cylinder side wall where annulus；Alternatively, the locating part is to be fixed on slurry cylinder
At least two limited blocks at end opening edge, limited block are evenly distributed on slurry cylinder upper end opening edge, limited block and slurry cylinder side wall
Vertically.
6. Novel cement slurry leakproof evaluating apparatus as described in claim 1, which is characterized in that the contact surface of upper end cover and slurry cylinder
Equipped with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821117637.9U CN208380561U (en) | 2018-07-16 | 2018-07-16 | A kind of Novel cement slurry leakproof evaluating apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821117637.9U CN208380561U (en) | 2018-07-16 | 2018-07-16 | A kind of Novel cement slurry leakproof evaluating apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208380561U true CN208380561U (en) | 2019-01-15 |
Family
ID=64964190
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821117637.9U Expired - Fee Related CN208380561U (en) | 2018-07-16 | 2018-07-16 | A kind of Novel cement slurry leakproof evaluating apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208380561U (en) |
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2018
- 2018-07-16 CN CN201821117637.9U patent/CN208380561U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190115 Termination date: 20190716 |
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| CF01 | Termination of patent right due to non-payment of annual fee |