CN205861489U - Gel strength measurement apparatus - Google Patents
Gel strength measurement apparatus Download PDFInfo
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- CN205861489U CN205861489U CN201620647665.6U CN201620647665U CN205861489U CN 205861489 U CN205861489 U CN 205861489U CN 201620647665 U CN201620647665 U CN 201620647665U CN 205861489 U CN205861489 U CN 205861489U
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- Prior art keywords
- gel
- measurement apparatus
- strength measurement
- gel strength
- gas
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Abstract
The utility model discloses a kind of gel strength measurement apparatus.This device includes body, basis is the most internal is formed with the cavity that can accommodate gel, the meshed mesh screen of tool it is provided with on body, when gel is in low voltage situations, gel is solid-state, after pressed gas continues in injecting chamber, gas pressure in chamber increases, under gel is in higher pressure state, the gel being positioned on mesh screen is that fluid state passes mesh outflow from solid state transformation, operator are gas pressure value during fluid state by obtaining gel from solid state transformation, and then determine the breakthrough pressure of gel, thus calculate out the intensity of gel.
Description
Technical field
This utility model relates to field of petroleum exploitation, particularly relates to a kind of gel strength measurement apparatus.
Background technology
Gel is in the work progress of the water plugging and profile controlling in oil field.During water plugging and profile controlling, the envelope that gel is made by operator
Blocking agent is injected in oil well, and then the rises of the high yield well section in oil well or interval is carried out selective shut-off, thus subtracts
Product water in few oil well, reduces the moisture content in oil recovery difficulty and crude oil.
The Strength Changes of gel is to evaluate the important indicator of the sealing agent performance that this gel is made.In prior art, conventional
Gel strength measuring instrument include flow graph, Texture instrument.But these equipment are huge, expensive, and not readily portable and
Use.
Utility model content
For the problems referred to above, the purpose of this utility model there are provided a kind of simple in construction, to measure convenient gel strong
Degree measurement apparatus.
In order to solve the problems referred to above, this utility model provides a kind of gel strength measurement apparatus, including:
Body, described the internal cavity that can accommodate gel that is formed, described body is provided with and is connected with described cavity
Lead to and be used for the opening connected with source of the gas;
In being arranged on the cavity of described body and can carry the mesh screen of solid gel, described mesh screen has for making fluid state
The mesh that gel passes;
Pressure gauge, for obtaining the gas pressure value in described cavity.
Further, the bottom of described body has perforate, described perforate connection corresponding with described mesh.
Further, the projection downward of described mesh is at least partially disposed in described perforate.
Further, the downside of described mesh screen is provided with observation portion, and described observation portion is used for observing gel and turns from solid-state
Become fluid state.
Further, described Pressure gauge is connected with described cavity by pipeline.
Further, described source of the gas includes the pump housing and pressure vessel, and the described pump housing is for injecting in described pressure vessel
Gas, and then make the gas in described pressure vessel be compressed.
Further, described Pressure gauge is between described source of the gas and described body.
Further, described gel strength measurement apparatus includes that collection device, described collection device are arranged under body
Square and corresponding with described mesh screen, described collection device is for collecting the gel flowed out through mesh.
Further, described collection device includes measuring cup.
Further, described gel strength measurement apparatus includes:
Support, described support includes base and the column being vertically set on base edge, and described body is arranged on described
On column, described collection device is arranged on described base.
In sum, this utility model has the advantages that
This utility model utilizes the characteristic of gel to detect the intensity of gel.In the internal addition of the basis with cavity
Gel, body is provided with the meshed mesh screen of tool, and when gel is in low voltage situations, gel is solid-state, and then is sealed by mesh
Closing, after pressed gas continues in injecting chamber, the gas pressure in chamber increases, under gel is in higher pressure state,
The gel being positioned on mesh screen is that fluid state passes mesh outflow from solid state transformation;Operator are determined by gel and turn from solid-state
Become gas pressure during fluid state, and then determine the breakthrough pressure of gel, thus calculate out the intensity of gel.
Accompanying drawing explanation
Fig. 1 is the structural representation of gel strength measurement apparatus in embodiment of the present utility model;
Fig. 2 is the structural representation of mesh screen in embodiment of the present utility model;
Fig. 3 is the structural representation that in embodiment of the present utility model, mesh screen is positioned in the middle part of body.
The figures above illustrates:
1, the pump housing;2, pressure vessel;3, valve body;4, pressure becomes;5, body;6, cavity;7, mesh screen;8, mesh;9, collect
Device;10, support;11, observation portion.
Detailed description of the invention
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail, so that advantage of the present utility model
Can be easier to be understood by the person skilled in the art with feature, thus protection domain of the present utility model be made apparent bright
True defines.
The utility model discloses a kind of gel strength measurement apparatus, with reference to shown in Fig. 1 Yu Fig. 2, this device includes: body
5, be formed with the cavity 6 that can accommodate gel in described body 5, described body 5 is provided be connected with described cavity 6 and for
The opening connected with source of the gas;In being arranged on the cavity 6 of described body 5 and can carry the mesh screen 7 of solid gel, described mesh screen 7 has
There is the mesh 8 for making fluid state gel pass;Pressure gauge 4, for obtaining the gas pressure value in described cavity 6.
There is a critical pressure (i.e. breakthrough pressure, Transition Pressure) in gel, during less than this force value,
Gel is the material being similar to solid-state, and solid gel can block the space of porous media effectively;During higher than this pressure, gel-like
It is similar to uncrosslinked polymer, and then is changed into there is mobility fluid state.
This utility model utilizes the above-mentioned characteristic of gel, under gel is in low voltage situations, mesh screen 7 can carry solid-state
Gel;Under gel is in higher pressure state, gel is fluid state.Once gel enters flow range, its flowing
State is similar to polymer, and the gel of fluid state can flow to the lower section of mesh screen 7 through the mesh 8 of mesh screen 7, passes through operator
Member can observe and determine that gel is the moment of fluid state from solid state transformation, then is fluid state by obtaining gel from solid state transformation
Time cavity 6 in gas pressure, and then get the breakthrough pressure of gel.
Wherein, the gas pressure in solid state transformation is the cavity 6 during fluid state is equal to the breakthrough pressure of gel.All of
Gel has a unique test pressure, and under this pressure, they experienced by the transformation from compressive state to flow regime,
This pressure is exactly breakthrough pressure.This conclusion may be used for the comparison between various gel strength.In breakthrough pressure is tested
Pressurize to solution, force test solution by this device, characterize gel strength (gel by the pressure on unit of account area
Intensity is equal to pressure and active area), and then gel strength can be characterized by test breakthrough pressure.
In the present embodiment, body 5 can be a rustless steel cylinder.Opening can be arranged on cylinder top and with sky
Chamber 6 is connected.Can be connected by appendix between opening and source of the gas.Mesh screen 7 is arranged in cavity 6, shown in reference Fig. 2, and net
Sieve 7 can be the sheet metal with several mesh 8 or a plastic sheet.When accommodating solid gel in cavity 6, mesh 8
Blocked by gel, cavity 6 and then be isolated with the external world.Source of the gas continues injection pressure gas, the gas in cavity 6 in cavity 6
Pressure can constantly increase.After the gas pressure in cavity 6 increases to certain value, gel so that can from solid state transformation for stream
Figure.Observer, when the gel observing liquid flows out from mesh 8, records the gas in the cavity 6 obtained on Pressure gauge 4 this moment
Body force value, this pressure is exactly breakthrough pressure, then is tried to achieve the intensity of gel by breakthrough pressure.
Another preferred embodiment in, with reference to shown in Fig. 3, mesh screen 7 may be located at the middle part of cavity 6, mesh screen 7
Edge is connected with the inwall of body 5, and then is fixedly installed.The lower end of body 5 can be closed.The upper surface of mesh screen 7 can be held
Carrying solid gel, mesh 8 is blocked by solid gel, and then can be with the cavity 6 of inwall one relative closure of formation of cavity 6.
After the gas pressure in cavity 6 reaches certain value, the gel being positioned at mesh screen 7 upper surface is fluid state from solid state transformation, and then
Observe that gel passes mesh screen 7 and flows to the lower section of mesh screen 7, record the gas pressure in the cavity 6 obtained on Pressure gauge 4 this moment
Value, and then obtain the breakthrough pressure of gel, thus calculate the intensity of gel.
It is furthermore preferred that the downside of described mesh screen 7 can be provided with observation portion 11, described observation portion 11 is used for observing gel
It is fluid state from solid state transformation.Observation portion 11 can be arranged on the sidewall of body.Preferably, observation portion 11 can be as this
The part of body sidewall and one-body molded setting.Observation portion 11 can be transparent material, such as, and glass or acrylic material
Plate, and then operator can be made to pass through observation portion 11 observe the change of gel.This embodiment is provided with the lower end of body 5
The embodiment of mesh screen 7 compares, and the lower end of body 5 can be closed so that the gel of fluid state, without flowing out from cavity 6, is kept away
Exempt to need the gel to flowing out cavity to be collected.
Another preferred embodiment in, cavity in body 56 could be formed with under shed with the lower end of body 5
End.End cap can be provided with on lower open end, end cap is provided with mesh screen 7, then make mesh screen 7 can be located at lower open end,
And the mesh screen face of mesh screen 7 is corresponding with the cross section of cavity 6.In order to improve the sealing of body 5, between end cap and lower open end also
It is provided with rubber cushion.
When the intensity of gel is measured, end cap is backed out from body 5, load gel, end cap of screwing on the most again,
Gel is solid-state in a low voltage state, and then can be covered in mesh screen 7 face of mesh screen 7, and then realizes the sealing of cavity 6.When
After pressure in cavity 6 reaches to a certain degree, gel conversion is fluid state, and mesh screen 7 can not carry gel, and gel flows from mesh screen 7
Go out.
In one preferred embodiment, it is contemplated that gel needs to be collected gel when flowing out from cavity 6, solidifying
Glue strength meter includes that collection device 9, collection device 9 can be arranged on the lower section of body 5 and corresponding with mesh screen 7, when
After pressure in cavity 6 reaches certain value, gel is fluid state from solid state transformation, and then flows out from mesh screen 7, and collection device 9 is used
In collecting the gel flowed out.Preferably, collection device 9 can be measuring cup.
The application is not done concrete restriction by the above-mentioned observation portion 11 in each embodiment, as long as meeting the shape in pressurization
Under state, can observe and judge that the embodiment of the particular state of gel is all to meet protection domain of the present utility model.
In the present embodiment, described gel strength measurement apparatus also includes: support 10, described support 10 include base and
Being vertically set on the column of base edge, described body 5 is arranged on described column, and described collection device 9 is arranged on the described end
On seat.
Source of the gas also includes the pump housing 1 and the pressure vessel 2 being connected with body 5, and the pump housing 1 is for noting in pressure vessel 2
Enter gas.The pump housing 1 can be connected with pressure vessel 2 by pipeline.When pressurizeing to pressure vessel 2, the pump housing 1 can be to pressure
Press-in gas in container 2, the port of export of pressure vessel 2 closes, and then realizes the compression of gas in pressure vessel 2, when pressure holds
When gas in device 2 reaches the force value of a certain setting, stop pumping into gas.In one preferred embodiment, the pump housing 1 can
Think the one in constant-flux pump, compression pump.
In one preferred embodiment, opening can be arranged on the top of body 5.Between source of the gas and body 5 permissible
It is provided with valve body 3, source of the gas gas injection rate in body 5 and injection rate can be controlled by application valve body 3.Valve body 3
On may be provided for obtaining the Pressure gauge 4 of pressure in cavity 6.When gel from solid state transformation be fluid state time, Pressure gauge 4 obtains
Take the gas pressure value in cavity 6.
The all articles disclosed and reference material, including patent application and publication, for various purposes by quoting knot
Together in this.Describe combination term " substantially by ... constitute " should include determined by element, composition, parts or step and reality
Other elements, composition, parts or the step of the basic novel feature of this combination is not affected in matter.Use term " comprise " or
" include " combination describing element, composition, parts or step here it is also contemplated that basic by these elements, composition, parts
Or the embodiment that step is constituted.Here by use term " can ", it is intended to illustrate that " permissible " include is described any
Attribute is all optional.
Multiple elements, composition, parts or step can be provided by single integrated component, composition, parts or step.Alternative
Ground, single integrated component, composition, parts or step can be divided into multiple elements, composition, parts or the step of separation.It is used for
The open "a" or "an" describing element, composition, parts or step is not said to get rid of other element, composition, parts
Or step.
It should be understood that above description is to illustrate rather than to limit.By reading above-mentioned retouching
Stating, the many embodiments outside the example provided and many application will be the most all aobvious and easy
See.Therefore, the scope of this teaching should not determine with reference to foregoing description, but should with reference to claims and this
The four corner of the equivalent that a little claim are had determines.Include specially for comprehensive purpose, all articles and reference
The disclosure of profit application and bulletin is all passed through with reference to being incorporated herein.Theme disclosed herein is omitted in aforementioned claim
Any aspect is not intended to abandon this body matter, also should not be considered as inventor and is not thought of as by this theme disclosed
The part of utility model theme.
Claims (10)
1. a gel strength measurement apparatus, it is characterised in that including:
Body, described the internal cavity that can accommodate gel that is formed, described body is provided with and is connected also with described cavity
For the opening connected with source of the gas;
In being arranged on the cavity of described body and can carry the mesh screen of solid gel, described mesh screen has for making fluid state gel
The mesh passed;
Pressure gauge, for obtaining the gas pressure value in described cavity.
Gel strength measurement apparatus the most according to claim 1, it is characterised in that the bottom of described body has perforate, institute
State perforate connection corresponding with described mesh.
Gel strength measurement apparatus the most according to claim 2, it is characterised in that the projection downward of described mesh is at least
Part is positioned at described perforate.
Gel strength measurement apparatus the most according to claim 1, it is characterised in that the downside of described mesh screen is provided with observation
Portion, it is fluid state from solid state transformation that described observation portion is used for observing gel.
Gel strength measurement apparatus the most according to claim 1, it is characterised in that described Pressure gauge is by pipeline and described sky
Chamber connects.
Gel strength measurement apparatus the most according to claim 1, it is characterised in that described source of the gas includes that the pump housing and pressure hold
Device, the described pump housing is for injecting gas in described pressure vessel, and then makes the gas in described pressure vessel be compressed.
Gel strength measurement apparatus the most according to claim 1, it is characterised in that described Pressure gauge is positioned at described source of the gas and institute
State between body.
Gel strength measurement apparatus the most according to claim 1, it is characterised in that described gel strength measurement apparatus includes receiving
Acquisition means, described collection device is arranged on the lower section of body and corresponding with described mesh screen.
Gel strength measurement apparatus the most according to claim 8, it is characterised in that described collection device includes measuring cup.
Gel strength measurement apparatus the most according to claim 9, it is characterised in that described gel strength measurement apparatus includes:
Support, described support includes base and the column being vertically set on base edge, and described body is arranged on described column
On, described collection device is arranged on described base.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201620647665.6U CN205861489U (en) | 2016-06-27 | 2016-06-27 | Gel strength measurement apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620647665.6U CN205861489U (en) | 2016-06-27 | 2016-06-27 | Gel strength measurement apparatus |
Publications (1)
Publication Number | Publication Date |
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CN205861489U true CN205861489U (en) | 2017-01-04 |
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ID=57637411
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CN201620647665.6U Active CN205861489U (en) | 2016-06-27 | 2016-06-27 | Gel strength measurement apparatus |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106908326A (en) * | 2017-03-17 | 2017-06-30 | 中国石油大学(华东) | A kind of profile control and water plugging determines device with granule strength |
CN115680620A (en) * | 2022-09-08 | 2023-02-03 | 中国石油大学(华东) | Device for testing plugging capability of jelly plugging agent and method for evaluating plugging capability |
-
2016
- 2016-06-27 CN CN201620647665.6U patent/CN205861489U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106908326A (en) * | 2017-03-17 | 2017-06-30 | 中国石油大学(华东) | A kind of profile control and water plugging determines device with granule strength |
CN115680620A (en) * | 2022-09-08 | 2023-02-03 | 中国石油大学(华东) | Device for testing plugging capability of jelly plugging agent and method for evaluating plugging capability |
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