CN206002369U - Rock core makes seam device - Google Patents
Rock core makes seam device Download PDFInfo
- Publication number
- CN206002369U CN206002369U CN201621051584.6U CN201621051584U CN206002369U CN 206002369 U CN206002369 U CN 206002369U CN 201621051584 U CN201621051584 U CN 201621051584U CN 206002369 U CN206002369 U CN 206002369U
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- Prior art keywords
- square
- sample
- rock
- seam
- clamper
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- 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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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of rock core makes seam device, including pressure charging system, main frame, base, columnar samples clamper, square sample clamper composition, described pressure charging system is by booster pump, oil hydraulic cylinder, connecting rod constitutes, the maximum pressure of pressure charging system is up to 100MPa, described columnar samples clamper makes seam for column rock sample, square sample clamper makes seam for square rock sample, the material adopted for the triangular hill for making seam is hard alloy, that can realize various hardness rock samples makes joint working, the device is made and is seamed into power height, not only can cylindrical sample be carried out making seam, that can equally realize square sample makes seam, pressurizeed by booster pump, pressure applied scope is big, that can quickly realize various hardness rock samples makes seam.
Description
Technical field
The utility model is related to a kind of rock core and makes seam device, needs to carry out matrix rock sample in more particularly to testing indoors
The rock core for making seam makes seam device.
Background technology
In recent years, with the adjustment of global energy structure, the dynamics of unconventional resource exploitation is gradually increased.Unconventional resource
It is main that based on tight sand, shale, coal petrography, hydrate etc., wherein, tight sand and shale have the characteristics that low porosity and low permeability,
Exploitation difficulty is big, needs to carry out storey increase design to reservoir in actual recovery process.Acid fracturing be Sandstone Gas Reservoir and
One of conventional storey increase design measure of shale reservoir.
Experimentation is frequently necessary to carry out making seam process to rock core indoors, and one is the depositing of crack under simulation stratum condition
It is being that further experiment is prepared.Two is the crack that the artificial acid fracturing of simulation is produced, and then rock sample is carried out indoor " quick
Perception " evaluation experimental.The impact of various entry well fluid fracture rock sample permeabilities is probed into, is drilled well, the system of pressing crack construction scheme
Surely there is important directive significance.
In the prior art, CN204536080U discloses a kind of rock core and makes seam device, and which can be shale and sand simultaneously
Rock makes seam, can be with the width of control critical eigenvalue and length, but the device is made seam and uses draw point, and centralizer cannot ensure, and adopt
It is to apply pressure manually, the high tight sand of hardness and shale is then had some limitations.In CN10319675A
In disclose a kind of rock core and make seam and rock core rupture stress detection means, its only one of which face is subject to local stress, and instrument becomes
This is of a relatively high.
Content of the invention
For problem above, the utility model proposes a kind of rock core makes seam device, the device safely, quickly can be given many
Seam made by kind of lithology sample, and that can not only realize columnar samples makes seam, while that can realize square sample makes seam.
For solving the above problems, this application provides one kind makes seam device for rock core, fill including main frame, hydraulic pressurization
Put, cylindrical sample core holding unit, square sample clamper, base, the hydraulic pulldown are added to piston by booster pump
Pressure, is sealed using piston packing ring.Described hydraulic pulldown is positioned in main frame, and described cylindrical sample rock core is clamped
Device, square core holding unit are positioned over the lower section of main frame, and described square sample clamper and circular sample clamper are placed
Top in base.
Pressure will be passed to main frame by connecting rod by described hydraulic pulldown, and the hydraulic pulldown can be provided by
Maximum pressure be more than 100MPa.
Described cylindrical sample core holding unit is made up of the square of two long 60mm, wide 60mm, high 60mm, and the one of square
There is a semicircle vacancy in face, and a diameter of 25mm of semicolumn empty portions, a length of 60mm have triangle in semicolumn empty portions bottom
Raised.There is the groove of long 10mm, width 10mm, depth 10mm in the another side of square.
Described square sample clamper is made up of the square of two long 60mm, wide 60mm, high 60mm, and square one end has can
With the draw-in groove adjusted according to square rock sample size, for fixing square rock sample.The centre bit of square is equipped with triangular hill.In side
The another side of block has long 10mm, width 10mm, the groove of depth 10mm.
The triangular hill of the internal bottom of described semicolumn is welded on the bottom of semicircle vacancy, and triangular hill is
Equilateral triangle, the length of side are 0.54mm, and described triangular hill material is hard alloy.
There is a long 9mm lower end of the main frame, wide 9mm, the square protruding of height 10mm, exists for clamper and main frame
Fixation on axial direction.
There is a long 9mm base upper end, wide 9mm, the square protruding of height 10mm, for clamper with base in the vertical
Fixation.
The base is connected by 4 bracing frames with main frame, for support and stationary main frame.
This is made seam device using a kind of new rock core and has the advantage that compared to existing technology：
1. pressurizeed by booster pump, pressing force scope is big, and that can quickly realize various hardness rock samples makes seam；
2. success rate is high, and the device meets laboratory experiment rock core and makes seam requirement, saves rock sample.Interior is carried out using the device
Seam experiment success rate is made more than 96%；
3. carry out making seam using triangular hill, it is ensured that rock sample make seam during be through seam；
4. not only can cylindrical sample be carried out making seam, that can equally realize square sample makes seam.
Description of the drawings
Fig. 1 is the structural representation that seam device made by a kind of rock sample of the utility model；
Fig. 2 is the structural representation that cylindrical sample core holding unit in seam device made by a kind of rock sample of the utility model；
Fig. 3 is the structural representation that square sample core holding unit in seam device made by a kind of rock sample of the utility model.
In figure：1st, metal pipe line, 2, hydraulic jack, 3, piston ring, 4,13, screw, 5, main frame, 6,10, raised, 7,9,
22nd, 26, groove, 8,17, metal supporting frames, 11, valve, 12, connecting rod, 14, hand booster pump, 15,16,21,25 triangles are convex
Rise, 18, base, 19,23 draw-in grooves, 20,24,27,28 squares,.
Specific embodiment
In order that the purpose of this utility model, technical scheme and advantage become more apparent, with reference to embodiments, to this
Utility model is further elaborated.It should be appreciated that specific embodiment described herein is only new in order to explain this practicality
Type, is not used to limit the utility model.
Below in conjunction with the accompanying drawings application principle of the present utility model is explained in detail.
As shown in figure 1, the utility model includes main frame (5), booster pump (14), hydraulic jack (2), piston (3), connecting rod
(12), bracing frame (8) (17), cylindrical sample core holding unit (7) (9) (15) (16), square sample core holding unit (Fig. 2), institute
State booster pump (14) to pressurize to hydraulic jack (2) by metal pipe line (1), hydraulic jack (2) pass through piston with piston (3)
Ring is sealed, and piston ring drivening rod (12) is moved downward, and is pressed so as to the main frame to lower section.
Described bracing frame (8) (17) is used for supporting main frame (8) and base (18), and two ends are connected by screw.
Described square sample core holding unit (Fig. 2) is positioned between main frame (8) base (18), and main frame (5) bottom is deposited
In the groove (7) that raised (6) are positioned over column clamper top, there are raised (10) and be positioned over column in the bottom of base (18)
In clamper bottom (9) groove.Triangular hill (15) inside described semicolumn, (16) are welded on semicircle vacancy top,
Triangular hill is equilateral triangle, and the length of side is 0.54mm, and described triangular hill material is hard alloy.
Described square sample core holding unit (Fig. 2) is by the square (20) (24) of two long 60mm, wide 60mm, high 30mm
Composition, square one end has can be according to the draw-in groove (19) (23) of square rock sample size adjustment, for fixing square rock sample.Square
Centre bit is equipped with triangular hill (21) (25).There is the groove of long 10mm, width 10mm, depth 10mm in the another side of square
(22)、(25).
The columnar samples core holding unit is positioned between main frame (5) base (18), and main frame (5) bottom exists raised
(6) it is positioned in the groove (7) on column clamper top, the bottom of base (18) has raised (10) and is positioned over column clamper
In bottom (9) groove.Triangular hill (15) inside described semicolumn, (16) are welded on semicircle vacancy top, triangle
Raised is equilateral triangle, and the length of side is 0.54mm, and described triangular hill material is hard alloy.
When the utility model is used, when rock sample is cylindrical samples, first, the rock sample that will carry out making seam is processed into chi
Very little about φ 25mm × 50mm；Then rock sample is put in columnar samples core holding unit, the two of cylindricality columnar samples core holding unit
The diameter of individual raised and rock sample is point-blank, it is ensured that the centralizer of rock sample；Further, cylindricality rock sample clamper is put into master
Between framework (5) and base (18), the upper and lower ends of columnar samples core holding unit are by raised (6) (10) and groove (7) (9) card
Firmly；Booster pump gradually applies pressure to main frame (5), until hearing the hard crisp sound of " click ", stops applying pressure, makes seam and complete.
When wanting square shaped sample to carry out seam is made, first, rock sample is processed squarely, concrete size is according to experiment needs；
Then square rock sample is put in square sample core holding unit, two projections of square sample core holding unit are in the interposition of rock sample
Put, it is ensured that the centralizer of rock sample；Further, square rock sample clamper is put between main frame (5) and base (18), cylindricality rock
The upper and lower ends of sample clamper are blocked by raised (6) (10) and groove (22) (26)；Booster pump gradually applies to main frame (5)
Pressure, until hearing the hard crisp sound of " click ", stops applying pressure, makes seam and complete.
By way of example the utility model is illustrated above, but the utility model is not limited to above-mentioned being embodied as
Example, all any changes that is done based on utility model or deformation belong to the claimed scope of the utility model.
Claims (4)
1. a kind of rock core makes seam device, it is characterised in that：Including main frame (5), booster pump (14), hydraulic jack (2), piston
(3), connecting rod (12), square sample clamper, cylindrical sample clamper, described booster pump (14) give liquid by metal pipe line (1)
Compressing cylinder (2) pressurizes, and hydraulic jack (2) pass through piston ring packing with piston (3), and piston ring drivening rod (12) is transported downwards
Dynamic.
2. a kind of rock core according to claim 1 makes seam device, it is characterised in that described square sample clamper is by two
The square (20) of individual long 60mm, wide 60mm, high 30mm, (24) composition, square one end has and can be adjusted according to square rock sample size
Draw-in groove (19), (23), described square centre bit is equipped with triangular hill (21), (25), the another side of square have long 10mm,
Wide 10mm, the groove (22) of depth 10mm, (26).
3. a kind of rock core according to claim 1 makes seam device, it is characterised in that：Described column core holding unit is by two
The square (27) of individual long 60mm, wide 60mm, high 30mm, (28) composition, the one side of square have semicircle vacancy, semicolumn empty portions
A diameter of 25mm, a length of 60mm, have triangular hill (15), (16), the another side of square in semicolumn empty portions bottom
There are long 10mm, width 10mm, the groove (7) of depth 10mm, (9).
4. a kind of rock core according to Claims 2 or 3 makes seam device, which is special be described triangular hill (15),
(16) square center and semicircle vacancy apical position are welded on, and described triangular hill is equilateral triangle, and the length of side is
0.54mm, described triangular hill material are hard alloy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621051584.6U CN206002369U (en) | 2016-09-13 | 2016-09-13 | Rock core makes seam device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621051584.6U CN206002369U (en) | 2016-09-13 | 2016-09-13 | Rock core makes seam device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206002369U true CN206002369U (en) | 2017-03-08 |
Family
ID=58194233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621051584.6U Expired - Fee Related CN206002369U (en) | 2016-09-13 | 2016-09-13 | Rock core makes seam device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206002369U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831057A (en) * | 2017-12-08 | 2018-03-23 | 中国石油天然气股份有限公司 | Indoor artificial seam making method for tight sandstone core |
| CN108801760A (en) * | 2017-05-03 | 2018-11-13 | 中国石油天然气股份有限公司 | Experimental method for rock acid fracturing influence strength failure |
| CN113390770B (en) * | 2020-03-13 | 2023-04-25 | 中国石油天然气股份有限公司 | Device and method for evaluating damage of fracturing fluid to cracks of tight oil and gas reservoirs |
-
2016
- 2016-09-13 CN CN201621051584.6U patent/CN206002369U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108801760A (en) * | 2017-05-03 | 2018-11-13 | 中国石油天然气股份有限公司 | Experimental method for rock acid fracturing influence strength failure |
| CN107831057A (en) * | 2017-12-08 | 2018-03-23 | 中国石油天然气股份有限公司 | Indoor artificial seam making method for tight sandstone core |
| CN113390770B (en) * | 2020-03-13 | 2023-04-25 | 中国石油天然气股份有限公司 | Device and method for evaluating damage of fracturing fluid to cracks of tight oil and gas reservoirs |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170308 Termination date: 20170913 |