CN109813607A - The device of prefabricated hole in a kind of fracture-cavity type carbonate object mould crushing test - Google Patents
The device of prefabricated hole in a kind of fracture-cavity type carbonate object mould crushing test Download PDFInfo
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- CN109813607A CN109813607A CN201811619454.1A CN201811619454A CN109813607A CN 109813607 A CN109813607 A CN 109813607A CN 201811619454 A CN201811619454 A CN 201811619454A CN 109813607 A CN109813607 A CN 109813607A
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- frame
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Abstract
The invention discloses a kind of devices of prefabricated hole in fracture-cavity type carbonate object mould crushing test.Soluble mediators are arranged in thin film storage body;The first end of connecting rope is connect with frame-type cover board, and the second end of connecting rope is connect with thin film storage body.When in use, first determine prefabricated hole height and orientation, thin film storage body is transferred by connecting rope.Then joints cement, after cement block solidification, soluble mediators in thin film storage body are dissolved discharge by sample drilling, to precast the hole of desired height and orientation and not with pressure in cement block, how desk study fracture hole is connected with good directive significance.
Description
Technical field
The present invention relates to petroleum works rock mechanics technical fields more particularly to a kind of molding of fracture-cavity type carbonate object to split
The device of prefabricated hole in test.
Background technique
Deep carbonate reservoirs oil reservoir contains petroleum resources abundant, in the explored oil and gas reserves in the whole world,
60% is Marine Facies Carbonate Reservoir, has become the key areas of oil-gas exploration and development.Since carbonate reservoir has
The features such as depth, superhigh temperature, super-pressure, heterogeneity are strong and hole fracture hole is developed is buried, thus is brought to the design of pressing crack construction
A series of problem, most of well needs to carry out reservoir fracturing improvement can be only achieved the purpose of volume increase.Large and medium-sized solution cavity and molten
Erosion crack is the major reservoir spaces of Karst-type carbonate reservoir, and has also developed along carbonate fracture a series of molten
Borrosion hole hole, so as to form good oil and gas flow channel and reservoir space.Therefore, the key of Carbonate Reservoir description is exactly
Carry out the research of reservoir communication.By the research of reservoir communication, come the direction of guiding reservoir fracturing reform, so as to more
The development and utilization of Carbonate Reservoir are promoted well.
Currently, studying the connectivity or sky of Carbonate Reservoir reservoir fracture hole by the method for practical rock sample test
It is white.A large amount of large-scale true triaxial experiment is carried out using practical rock sample come, reason infeasible instantly of studying the connectivity of fracture hole
It specifically includes that first is that taking for rock sample is highly difficult, cannot support a large amount of experimental study;Second is that inside rock sample there are hole and not
Rule can not carry out the research that basic crack extension is connected to rule with hole;Third is that most rock sample holes there's almost no, make
Hole workload is very big and is not easy to implement.
It to sum up, is the most economic and efficient side by establishing large-scale physical simulation experiment to carry out the connection Journal of Sex Research of fracture hole
Method.
Summary of the invention
The present invention by providing a kind of device of prefabricated hole in fracture-cavity type carbonate object mould crushing test, realize for
The prefabricated technical effect of big Logistics automatic system Hole exploring carbonate rock fractured cave combination connected relation and carrying out.
The present invention provides a kind of devices of prefabricated hole in fracture-cavity type carbonate object mould crushing test, comprising: frame
Formula cover board, connecting rope, thin film storage body and soluble mediators;The soluble mediators are arranged in the thin film storage body;Institute
The first end for stating connecting rope is connect with the frame-type cover board, and the second end of the connecting rope is connect with the thin film storage body.
Further, the frame-type cover board includes: frame and circular arc ring;Along the diagonal line and/or opposite direction of the frame
The line of centres of frame be provided with connecting rod;The center of circle of the circular arc ring is overlapped with the center of the frame, and with it is described
Connecting rod connection;The first end of the connecting rope is connected to the intersection of the circular arc ring and the connecting rod.
Further, the intersection of the circular arc ring and the connecting rod is annulus;The first end of the connecting rope connects
On the annulus.
Further, the circular arc ring is four/three-arc ring.
Further, further includes: hollow screw, card column, nut;The hollow screw and the nut are connected by screw thread
It connects;The card column is connect with the hollow screw;The first end of the connecting rope passes through the hollow screw, and is arranged described
Between hollow screw and the nut;The card column is stuck on the annulus.
Further, the frame is square frame.
Further, the frame-type cover board further include: the first snap-gauge, the second snap-gauge, third snap-gauge and the 4th snap-gauge;Institute
State the first snap-gauge and second snap-gauge vertically on be arranged in the frame two opposite frames middle part;It is described
Third snap-gauge and the 4th snap-gauge vertically on be arranged in the frame two other opposite direction frame middle part.
Further, the frame-type cover board further include: handle;The handle setting is on said frame.
Further, the material of the thin film storage body is polypropylene film, polyester film or nylon film.
Further, the material of the soluble mediators is salt, carbonate, bicarbonate or sugar.
One or more technical solution provided in the present invention, has at least the following technical effects or advantages:
Soluble mediators are arranged in thin film storage body;The first end of connecting rope is connect with frame-type cover board, connecting rope
Second end connect with thin film storage body.When in use, the height and orientation of prefabricated hole are first determined, by connecting rope by film
Store body decentralization.Then joints cement, after cement block solidification, the soluble mediators in thin film storage body are dissolved in sample drilling
How discharge connects desk study fracture hole to precast the hole of desired height and orientation and not with pressure in cement block
It connects with good directive significance.
Detailed description of the invention
Fig. 1 is the master of the device of prefabricated hole in fracture-cavity type carbonate object mould crushing test provided in an embodiment of the present invention
View;
Fig. 2 is that the device of prefabricated hole in fracture-cavity type carbonate object mould crushing test provided in an embodiment of the present invention is bowed
View;
Fig. 3 is that the device of prefabricated hole in fracture-cavity type carbonate object mould crushing test provided in an embodiment of the present invention makes
Use schematic diagram;
Wherein, 1- connecting rope, 2- thin film storage body, 3- frame, 4- circular arc ring, 5- connecting rod, 6- hydraulic fracturing pipe, 7- circle
Ring, 8- joints cement region, 9- card column, the first snap-gauge of 10-, 11- handle, 12- hollow screw, 13- nut, 14- third snap-gauge,
The 4th snap-gauge of 15-.
Specific embodiment
The embodiment of the present invention is real by providing a kind of device of prefabricated hole in fracture-cavity type carbonate object mould crushing test
The prefabricated technical effect of the big Logistics automatic system Hole carried out to explore carbonate rock fractured cave combination connected relation is showed.
In order to realize the above technical effect, general thought is as follows for technical solution in the embodiment of the present invention:
Soluble mediators are arranged in thin film storage body;The first end of connecting rope is connect with frame-type cover board, connecting rope
Second end connect with thin film storage body.When in use, the height and orientation of prefabricated hole are first determined, by connecting rope by film
Store body decentralization.Then joints cement, after cement block solidification, the soluble mediators in thin film storage body are dissolved in sample drilling
How discharge connects desk study fracture hole to precast the hole of desired height and orientation and not with pressure in cement block
It connects with good directive significance.
Above-mentioned technical proposal in order to better understand, in conjunction with appended figures and specific embodiments to upper
Technical solution is stated to be described in detail.
Referring to figure 1, figure 2 and figure 3, pre-manufactured hole in fracture-cavity type carbonate object mould crushing test provided in an embodiment of the present invention
The device in hole, comprising: frame-type cover board, connecting rope 1, thin film storage body 2 and soluble mediators;Soluble mediators are arranged in film
It stores in body 2;The first end of connecting rope 1 is connect with frame-type cover board, and the second end of connecting rope 1 is connect with thin film storage body 2.
The structure of frame-type cover board is specifically described, frame-type cover board includes: frame 3 and circular arc ring 4;Along frame 3
Diagonal line and/or the line of centres of frame of opposite direction be provided with connecting rod 5;The center of circle of circular arc ring 4 and the center weight of frame 3
It closes, and is connect with connecting rod 5;The first end of connecting rope 1 is connected to the intersection of circular arc ring 4 Yu connecting rod 5.
It should be noted that multiple concentric and different radii circular arc rings 4 can be placed equidistant with according to actual needs.Often
A circular arc ring 4 intersects with connecting rod 5.
In the present embodiment, the spacing of each circular arc ring 4 is 50 ㎜.
Further, the center arrangement hydraulic fracturing pipe 6 of frame 3, effect are that one end is connected with external hydraulic pump source
It connects, the other end gos deep into carrying out fracturing experiments inside sample.Meanwhile the structure of 3 hollow out of frame can observe the process that cement pours,
Obturator can be always controlled preferably to be poured.
The structure of frame-type cover board is further described, the intersection of circular arc ring 4 and connecting rod 5 is annulus 7;Connection
The first end of rope 1 is connected on annulus 7.
In the present embodiment, circular arc ring 4 is four/three-arc ring.Remaining a quarter region is pre- in frame 3
The joints cement region 8 stayed, so as to guarantee that there are sufficiently large spaces to carry out joints cement.
It should be noted that circular arc ring 4 is also possible to semi arch or minor arc.It is of course also possible to be five/three-arc ring
Or 2/3rds circular arc rings etc., it is not limited solely to four/three-arc ring.
To the structure of the device of prefabricated hole in fracture-cavity type carbonate object mould crushing test provided in an embodiment of the present invention
It is further described, further includes: hollow screw 12, card column 9, nut 13;Hollow screw 12 is connected through a screw thread with nut 13;
Card column 9 is connect with hollow screw 12;The first end of connecting rope passes through hollow screw 12, and is arranged in hollow screw 12 and nut 13
Between;Card column 9 is stuck on annulus.The length that connecting rope passes through hollow screw 12 can be adjusted according to desired height.
Specifically, card column 9 can vertically be connect with the side wall of hollow screw 12, can also tilt the side with hollow screw 12
Wall connection.
In the present embodiment, frame 3 is square frame.Further, frame 3 be by the welding of intensity higher iron wire and
At the ㎜ of 300 ㎜ × 300 standard rectangular.
The structure of frame-type cover board is further explained, frame-type cover board further include: the first snap-gauge 10 and second
Snap-gauge;First snap-gauge 10 and the second snap-gauge are separately positioned on the middle part of two opposite frames of frame 3.When frame 3 covers mould
When tool, the first snap-gauge 10 and the second snap-gauge can just be embedded in mold, and be close to the boundary of mould inside, to play fixation
The effect of frame 3.
In order to further function as fixed effect, there is third in the middle part of the frame of the two other opposite direction of frame 3
Snap-gauge 14 and the 4th snap-gauge 15.
Specifically, the first snap-gauge 10 and the second snap-gauge vertically on be welded on two opposite frames of frame 3
Middle part.Third snap-gauge 14 and the 4th snap-gauge 15 vertically on be welded on frame 3 two other opposite direction frame middle part.
In the present embodiment, the first snap-gauge 10, the second snap-gauge, third snap-gauge 14 and the 4th snap-gauge 15 are stalloy.
The structure of frame-type cover board is further explained, frame-type cover board further include: handle 11;Handle 11 is arranged
On the frame 3, for transferring or being lifted frame 3.
Specifically, a handle 11 is respectively arranged horizontally outward on 3 boundary of frame.
In the present embodiment, the material of thin film storage body 2 is polypropylene film, polyester film or nylon film etc..It is solvable
Property medium material be salt, carbonate, bicarbonate or sugar etc..
Use to the device of prefabricated hole in fracture-cavity type carbonate object mould crushing test provided in an embodiment of the present invention
Process is illustrated:
Before joints cement, need first to arrange thin film storage body 2.Thin film storage body 2 can be balloon interior and fill out
Salt is filled, or fills salt with the higher thin-film material of intensity, furthermore film package soluble material also can be used.No matter
It is balloon or customized material, the condition for needing to meet is material to be poured and back hardening of cement during will not break in cement
It splits, to guarantee the stability and integrality of prefabricated hole.It is higher by intensity after the material of thin film storage body 2 determines
Connecting rope 1 be fixed on the annulus 7 of frame 3.Before transferring thin film storage body 2, the length of decentralization connecting rope 1 needed for measuring
Degree, to control position height of the hole in sample.Hollow screw 12 and nut 13 clip connecting rope 1, to guarantee thin
Film storage body 2 will not move during cement pours, and then guarantee that the height of prefabricated hole will not change, to protect
Demonstrate,prove the accuracy of prefabricated hole.Card column 9 can cover the edge for lockking annulus 7, to play the role of fixed hollow screw 12.
Completion is poured in sample, after waiting thes cement solidifies, drills from side to thin film storage body 2, wears out balloon or envelope
Film, then into hole, salt dissolution is discharged for water filling, to construct a cavity hole.
[technical effect]
1, soluble mediators are arranged in thin film storage body 2;The first end of connecting rope 1 is connect with frame-type cover board, even
The second end of splicing 1 is connect with thin film storage body 2.When in use, first determine prefabricated hole height and orientation, pass through connecting rope
1 transfers thin film storage body 2.Then joints cement, after cement block solidification, sample drilling will be solvable in thin film storage body 2
Property medium dissolution discharge, so that the hole of desired height and orientation and not with pressure is precast in cement block, for desk study
How fracture hole connects with good directive significance.
2, the line of centres along the diagonal line of frame 3 and/or the frame of opposite direction is provided with connecting rod 5;The center of circle of circular arc ring 4
It is overlapped with the center of frame 3, and is connect with connecting rod 5;The first end of connecting rope 1 is connected to the phase of circular arc ring 4 with connecting rod 5
At friendship, so as to facilitate the azimuth of control prefabricated hole.
3, circular arc ring 4 is four/three-arc ring, and remaining a quarter region is reserved joints cement in frame 3
Region 8, so as to guarantee that there are sufficiently large spaces to carry out joints cement.
4, by the use to two pairs of symmetrical snap-gauges two-by-two, the boundary of mould inside can be close to, to play fixation
The effect of frame 3.
The embodiment of the present invention solves the problems, such as how to construct hole in big Logistics automatic system, others does not do before this is
The experimental study crossed belongs to initiative.The structure of device provided in an embodiment of the present invention is simple, is easy to make, and has very
Strong operability, it is easy to operate and more economical efficient.The method of the device construction hole provided through the embodiment of the present invention
Simply, easily operated, there is very strong practical value.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (10)
1. the device of prefabricated hole in a kind of fracture-cavity type carbonate object mould crushing test characterized by comprising frame-type lid
Plate, connecting rope, thin film storage body and soluble mediators;The soluble mediators are arranged in the thin film storage body;The company
The first end of splicing is connect with the frame-type cover board, and the second end of the connecting rope is connect with the thin film storage body.
2. device as described in claim 1, which is characterized in that the frame-type cover board includes: frame and circular arc ring;Described in
The line of centres of the frame of the diagonal line and/or opposite direction of frame is provided with connecting rod;The center of circle of the circular arc ring and the frame
Center be overlapped, and connect with the connecting rod;The first end of the connecting rope is connected to the circular arc ring and the connection
The intersection of bar.
3. device as claimed in claim 2, which is characterized in that the intersection of the circular arc ring and the connecting rod is annulus;
The first end of the connecting rope is connected on the annulus.
4. device as claimed in claim 2, which is characterized in that the circular arc ring is four/three-arc ring.
5. device as claimed in claim 3, which is characterized in that further include: hollow screw, card column, nut;The hollow screw
It is connected through a screw thread with the nut;The card column is connect with the hollow screw;The first end of the connecting rope passes through described
Hollow screw, and be arranged between the hollow screw and the nut;The card column is stuck on the annulus.
6. device as claimed in claim 2, which is characterized in that the frame is square frame.
7. device as claimed in claim 2, which is characterized in that the frame-type cover board further include: the first snap-gauge, the second card
Plate, third snap-gauge and the 4th snap-gauge;First snap-gauge and second snap-gauge vertically on the frame is set
The middle part of two opposite frames;The third snap-gauge and the 4th snap-gauge vertically on the another of the frame is set
The middle part of outer two opposite frames.
8. device as claimed in claim 2, which is characterized in that the frame-type cover board further include: handle;The handle setting
On said frame.
9. such as device of any of claims 1-8, which is characterized in that the material of the thin film storage body is polypropylene
Film, polyester film or nylon film.
10. such as device of any of claims 1-8, which is characterized in that the material of the soluble mediators be salt,
Carbonate, bicarbonate or sugar.
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CN201811619454.1A CN109813607A (en) | 2018-12-28 | 2018-12-28 | The device of prefabricated hole in a kind of fracture-cavity type carbonate object mould crushing test |
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CN201811619454.1A CN109813607A (en) | 2018-12-28 | 2018-12-28 | The device of prefabricated hole in a kind of fracture-cavity type carbonate object mould crushing test |
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Cited By (1)
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CN112683614A (en) * | 2020-12-10 | 2021-04-20 | 重庆大学 | Sample preparation device |
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Application publication date: 20190528 |