CN206787932U - A kind of fracturing plugging ball performance testing device - Google Patents
A kind of fracturing plugging ball performance testing device Download PDFInfo
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- CN206787932U CN206787932U CN201720328634.9U CN201720328634U CN206787932U CN 206787932 U CN206787932 U CN 206787932U CN 201720328634 U CN201720328634 U CN 201720328634U CN 206787932 U CN206787932 U CN 206787932U
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Abstract
It the utility model is related to oil gas, coal bed gas and shale gas exploration and development technical field, more particularly to a kind of fracturing plugging ball performance testing device.Including rotational lock mechanism, fracturing plugging ball I, upper plug head, pressure ball piston, runing rest, fixed mount, fracturing plugging ball II, reducing plug and test cylinder, wherein the both sides of test cylinder are provided with runing rest, two runing rests are rotatably connected with fixed mount, rotational lock mechanism is arranged on fixed mount, and it is connected with a runing rest, upper plug head and reducing plug are respectively arranged at the both ends of test cylinder, through hole is equipped with vertically on upper plug head and reducing plug, pressure ball piston is arranged in test cylinder, fracturing plugging ball I and fracturing plugging ball II are respectively arranged in the cavity of pressure ball piston both sides.The utility model can carry out the test of the fracturing plugging ball performance of different size, can simulation wellbore hole temperature conditionss, at various pressures mini-frac ball sealer dissolubility and compression strength.
Description
Technical field
Oil gas, coal bed gas and shale gas exploration and development technical field are the utility model is related to, more particularly to a kind of pressure break envelope
Stifled ball performance testing device.
Background technology
Pressure break refers in oil recovery or gas production process, using hydraulic action, oil-gas Layer is formed a kind of method in crack, also known as
Hydraulic fracturing.Oil-gas Layer fracturing technology process fracturing unit truck, the liquid that high-pressure large-displacement is had certain viscosity squeeze into oil-gas Layer,
After oil-gas Layer is extruded many cracks, add proppant (such as quartz sand) and be filled in crack, improve the osmotic energy of oil-gas Layer
Power, to increase oil and gas production.
There are many multilayer oil gas fields in China, generally to carry out separate stratum fracfturing.In addition, in the division of oil field development series of strata, have
Though belong to a straticulate exploration together, oil reservoir anisotropic property is strong, lamination in layer be present, and this will generally carry out selective pressure
Split.Sleective fracturing method generally has packer layered pressure break, the separate stratum fracfturing of current limliting method and ball sealer selection pressure break etc..And block
Ball selection pressure break is will to be intended to laminate layer section in well once to penetrate out, and adds sand after pressing off low fracture pressure interval first, is then injected into band envelope
The displacement fluid of stifled ball temporarily blocks up the interval；Improve again and press off the stratum with slightly higher fracture pressure, injection as needed replaces
Terminate construction after liquid or continue displacement fluid of the injection with ball sealer temporarily to block up the other interval of interval one side pressure break, so as to improve production
Oil gas section.Ball sealer voltage endurance capability, physical property play heavy to closing in fracturing process in ball sealer selects pressing crack construction
The effect wanted.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model is to provide a kind of fracturing plugging ball performance testing device.The dress
The more obvious actual conditions reflected in various different pressures, different temperatures fracturing ball sealer are put, it is convenient that pressure break is sealed
Stifled ball carries out Performance Evaluation.
To achieve these goals, the utility model uses following technical scheme：
A kind of fracturing plugging ball performance testing device, including rotational lock mechanism, fracturing plugging ball I, upper plug head, pressure ball are lived
Plug, runing rest, fixed mount, fracturing plugging ball II, reducing plug and test cylinder, the wherein both sides of test cylinder are provided with rotation
Support, two runing rests are rotatably connected with fixed mount, the rotational lock mechanism be arranged on the fixed mount on and and its
In runing rest end connection, upper plug head and the reducing plug is respectively arranged at the both ends of the test cylinder, institute
State and be equipped with through hole on upper plug head and reducing plug vertically, the pressure ball piston is arranged in the test cylinder, the pressure
Split ball sealer I and fracturing plugging ball II is respectively arranged in the cavity of the pressure ball piston both sides.
Both ends inner wall sealing of the one end of the upper plug head and the reducing plug respectively with the test cylinder is connected, separately
One end is arranged with top cover labyrinth and lower sealing cover respectively, the top cover labyrinth and lower sealing cover with the both ends of the test cylinder
Wall is threadedly coupled.
The outboard end of the reducing plug is provided with the decompression protection cylinder being connected with lower sealing cover.
The diameter of through hole on the reducing plug, which is less than, is placed in chamber between the pressure ball piston and the reducing plug
Internal fracturing plugging ball II diameter.
The outside of the test cylinder is provided with heating collar, and the outside of the heating collar is provided with muff.
The rotational lock mechanism includes enclosing cover and is arranged in enclosing cover and the overcoat and axle sleeve of cone match, its bottom bracket axle
It is sheathed on the end of the runing rest and is provided with fault trough vertically thereon, the enclosing cover is connected with the fixed mount.
The runing rest is further connected with reductor.
Sealing ring is arranged with the excircle of the pressure ball piston, is connected by sealing ring and the test cylinder inner wall sealing
Connect.
The bottom of the fixed mount is provided with road wheel.
The advantages of the utility model and beneficial effect are：
1) the utility model can realize that fracturing plugging ball tests 360 ° of nothings of mechanism by the adjustable speed reductor of import
Any rotation at dead angle；And the bearing fixed mount of lower section is adopted using the fabulous stainless steel material of rigidity, fixed support
With integral structure, the safe and stable of experimental provision has been fully ensured that.
2) fracturing plugging ball performance testing device provided by the utility model is externally connected to heating mantle, and passes through designer
The accurate calculating of member, can completely simulate and sustain high temperature and high pressure environment (70MPa.200 DEG C).
3) fracturing plugging ball performance testing device provided by the utility model can by changing the inside aperture of footpath plug,
The requirement of experiment of the fracturing plugging ball of various different sizes can be fully met.
4) piston cylinder operator is used inside fracturing plugging ball performance testing device provided by the utility model, can be by changing
Become the fluid from the injection of top plug, simulate various internal pressures that fracturing plugging ball born completely and outside machinery is outer
Power, add the multifunctionality of device.
5) fracturing plugging ball performance testing device bottom provided by the utility model is provided with decompression protection cylinder, and pressure release is protected
The dismounting mode of casing is designed as fast-open type, can be rapidly completed the replacing to decompression protection cylinder and the collection to experimental liquid,
Reduce the workload of experimenter and protect environment, and prevent in experimentation ball sealer from crushing high-pressure liquid jet and
Go out the injury caused to experimenter.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of fixed mount in the utility model；
Fig. 3 is the overcoat and axle sleeve assembling schematic diagram of rotational lock mechanism in the utility model；
Fig. 4 is the structural representation of the overcoat of rotational lock mechanism in the utility model；
Fig. 5 is the structural representation of the axle sleeve of rotational lock mechanism in the utility model；
Fig. 6 is the structural representation of decompression protection cylinder in the embodiment of the utility model one；
Fig. 7 a are the structural representation of preventing bursting cap in another embodiment of the utility model；
Fig. 7 b are the structural representation of explosion-proof interface I in another embodiment of the utility model；
Fig. 7 c are the structural representation of explosion-proof interface II in another embodiment of the utility model.
In figure：1st, rotational lock mechanism；101st, overcoat；102nd, axle sleeve；103rd, inner casing base；104th, fault trough；2nd, muff；3、
Heating collar；4th, fracturing plugging ball；5th, high-pressure drain plug；6th, top cover labyrinth；7th, pressure ball piston；8th, runing rest；9th, fixed mount；10、
Fracturing plugging ball；11st, reducing plug；12nd, decompression protection cylinder；121st, gap；13rd, road wheel；14th, test cylinder；15th, lower sealing
Lid；16th, preventing bursting cap；17th, explosion-proof interface I；18th, explosion-proof interface II.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are clearer, below in conjunction with the accompanying drawings and it is embodied
The utility model is described in detail example.
As shown in Figure 1-2, a kind of fracturing plugging ball performance testing device provided by the utility model, including rotational lock machine
Structure 1, fracturing plugging ball I4, upper plug head 5, pressure ball piston 7, runing rest 8, fixed mount 9, fracturing plugging ball II10, reducing plug
11 and test cylinder 14, the wherein both sides of test cylinder 14 be provided with runing rest 8, two runing rests 8 pass through bearing and fixation
Frame 9 is rotatably connected, and rotational lock mechanism 1 is arranged on fixed mount 9 and is connected with the end of one of runing rest 8.On
Plug 5 and reducing plug 11 are respectively arranged at the both ends of test cylinder 14, are equipped with vertically on upper plug head 5 and reducing plug 11
Through hole, pressure ball piston 7 are arranged in test cylinder 14, and fracturing plugging ball I4 and fracturing plugging ball II10 are respectively arranged at pressure ball work
In the cavity for filling in 7 both sides.
Sealing ring is arranged with the excircle of pressure ball piston 7, is connected by sealing ring with the inner wall sealing of test cylinder 14.
Test cylinder 14 is the cylindrical structural of intermediate throughholes, and the inner side both ends of test cylinder 14 are equipped with screw thread.Upper plug head 5
It is connected respectively with the both ends inner wall sealing of test cylinder 14 by sealing ring with one end of reducing plug 11, upper plug head 5 and reducing
The other end of plug 11 is arranged with top cover labyrinth 6 and lower sealing cover 15 respectively, top cover labyrinth 6 and lower sealing cover 15 respectively with experiment
The both ends inner thread connection of cylinder 14, and upper plug head 5 and reducing plug 11 are compressed.
Further, the outboard end of reducing plug 11 is provided with the decompression protection cylinder 12 being connected with lower sealing cover 15.Pressure release is protected
Casing 12 is cylinder core structure, and employs Quick-open connecting structure and be connected with lower sealing cover 15, can quickly be dismantled, more
Change, facilitate the collection of waste material.
In an embodiment of the present utility model, as shown in fig. 6, the upper port of decompression protection cylinder 12 is arranged with two gap
121, two projections, two gap of the upper port of decompression protection cylinder 12 are radially arranged with the excircle of lower sealing cover 15
121 with after two raised grafting in lower sealing cover 15, rotation decompression protection cylinder 12 make two projections in lower sealing cover 15 with
Two gap 121 on decompression protection cylinder 12 stagger and by the upper port of decompression protection cylinder 12 circumferentially arranged with it is spacing only
Mouth is spacing, so as to realize the quick connection of decompression protection cylinder 12 and lower sealing cover 15.
In another embodiment of the present utility model, as shown in Fig. 7a-7c, between decompression protection cylinder 12 and lower sealing cover 15 also
Explosion-proof interface structure can be used to connect, the explosion-proof interface structure includes explosion-proof interface I17, explosion-proof interface II18 and preventing bursting cap
16, wherein explosion-proof interface I17 and explosion-proof interface II18 are respectively arranged at the connection end of decompression protection cylinder 12 and lower sealing cover 15, lead to
Cross explosion-proof interface I17 and explosion-proof interface II18 grafting, then by preventing bursting cap 16 and explosion-proof interface I17 and explosion-proof interface II18 screw threads
Connection.By Quick fastening preventing bursting cap 18, so as to realize the quick connection of decompression protection cylinder 12 and lower sealing cover 15.
The top of upper plug head 5 is provided with R hole connectors, can be connected with pipeline pipeline, facilitate control pressure.Under upper plug head 5
Fang Kaiyou rubber seal grooves, it can be sealed with the inwall of test cylinder 14, improve the overall tightness of device.
Reducing plug 11 is the column type stopper structure of intermediate throughholes, and the top of reducing plug 11 is provided with rubber seal groove
It can be sealed with the inwall of test cylinder 14.The diameter of through hole on reducing plug 11, which is less than, is placed in pressure ball piston 7 and reducing
The diameter of fracturing plugging ball II10 between plug 11 in cavity, the through hole of the centre of reducing plug 11 can be according to fracturing plugging ball
II10 diameter and convert, improve the overall diversity of device.
Reducing plug 11 is engaged by top cover labyrinth 6 and lower sealing cover 15 with test cylinder 14 respectively with upper plug head 5, on
Closure 6 and lower sealing cover 15 are the column type structure of intermediate throughholes, and outer ledge is evenly distributed with four circular holes, can
It is convenient to be dismantled with instrument.
Pressure ball piston 7 is located at the centre of test cylinder 14, and is engaged with the inwall of test cylinder 14, outside pressure ball piston 7
Wall is provided with rubber seal groove in both sides up and down, has fully ensured that the sealing of experiment single unit system.
The outside of test cylinder 14 is provided with heating collar 3, and heating collar 3 is annularly coated on two above and below the outer wall of test cylinder 14
End, the various required temperature of experiment can be simulated；The outside of heating collar 3 is provided with muff 2, has fully ensured that holding for temperature
It is continuous stable.
Rotational lock mechanism 1 includes enclosing cover and is arranged in enclosing cover and the overcoat 101 and axle sleeve 102 of cone match, such as schemes
Shown in 3-4, its bottom bracket axle 102 is sheathed on the end of runing rest 8 and is interior pore area with the key connection of runing rest 8, overcoat 101
The conical surface, axle sleeve 102 be the outer round belt conical surface and be provided with fault trough 104 vertically, as shown in Figure 4.Enclosing cover is connected with fixed mount 9.
The overcoat 101 of rotational lock mechanism 1 is pressed from both sides to inner sleeve 102, inner sleeve 102 by mechanical external force and clamped by the conical surface to contract
To realize the function of rotational lock.
Further, runing rest 8 is connected with reductor, and runing rest 8 is two sections of stainless steel shafts.Adjustable speed reductor leads to
Various situations can be simulated by overregulating different rotating speeds, and control the beginning of whole device and stopping by rotational lock mechanism,
Fully ensure that safety.
The bottom of fixed mount 9 is provided with road wheel 13, and fixed mount 9 is formed by 12 fabulous steel-pipe weldings of rigidity, Gu
Determine the general frame of frame 9 to be integrated, it is rational in infrastructure, fully ensure that the safety and stability of single unit system.
The utility model can carry out the test of the fracturing plugging ball performance of different size, can with simulation wellbore hole temperature conditionss,
The dissolubility and compression strength of mini-frac ball sealer at various pressures.
The experimental principle of fracturing plugging ball performance testing device provided by the utility model is：
Fracturing plugging ball I4 and fracturing plugging ball II10 are respectively placed in the cavity of the both sides of pressure ball piston 7, and passed through
R hole connectors injection fluid on upper plug head 5, applies pressure, realizes the test to pressure, can also adding by outside
Gas ket 3 and muff 2 lift temperature, realize the test to temperature performance, two balls can carry out performance test simultaneously.Single unit system
It is placed on fixed mount 9, is connected by runing rest 8, using adjustable speed reductor, the work(of the rotational lock of energy realization device
Can, single unit system is reasonable in design, and appearance looks elegant is generous, and any rotation of single unit system can be achieved.Device is provided with reducing
Plug 11, the fracturing plugging ball experiment of various different sizes is disclosure satisfy that, add the diversity of experiment.It is provided with below device
Decompression protection cylinder 12, it is connected, can be quickly and easily dismantled with single unit system using fast-open type structure, while convenient collection is real
Test liquid and prevent ball sealer from crushing high-pressure liquid jet and going out the injury caused to experimenter in experimentation.
Embodiment of the present utility model is the foregoing is only, is not intended to limit the scope of protection of the utility model.It is all
Made within spirit of the present utility model and principle any modification, equivalent substitution and improvements, extension etc., are all contained in this reality
With in new protection domain.
Claims (9)
1. a kind of fracturing plugging ball performance testing device, it is characterised in that including rotational lock mechanism (1), fracturing plugging ball I
(4), upper plug head (5), pressure ball piston (7), runing rest (8), fixed mount (9), fracturing plugging ball II (10), reducing plug (11)
And test cylinder (14), the wherein both sides of test cylinder (14) are provided with runing rest (8), two runing rests (8) and fixed mount
(9) be rotatably connected, the rotational lock mechanism (1) be arranged on the fixed mount (9) on and with one of runing rest
(8) end connection, the upper plug head (5) and reducing plug (11) are respectively arranged at the both ends of the test cylinder (14), institute
State and be equipped with through hole on upper plug head (5) and reducing plug (11) vertically, the pressure ball piston (7) is arranged at the test cylinder
(14) in, the fracturing plugging ball I (4) and fracturing plugging ball II (10) are respectively arranged at the chamber of pressure ball piston (7) both sides
In vivo.
2. fracturing plugging ball performance testing device according to claim 1, it is characterised in that the upper plug head (5) and institute
State both ends inner wall sealing of the one end of reducing plug (11) respectively with the test cylinder (14) to be connected, the other end is arranged with respectively
Top cover labyrinth (6) and lower sealing cover (15), the top cover labyrinth (6) and lower sealing cover (15) and the two of the test cylinder (14)
Hold inner thread connection.
3. fracturing plugging ball performance testing device according to claim 2, it is characterised in that the reducing plug (11)
Outboard end is provided with the decompression protection cylinder (12) being connected with lower sealing cover (15).
4. fracturing plugging ball performance testing device according to claim 1, it is characterised in that on the reducing plug (11)
The diameter of through hole be less than and be placed in the pressure break between the pressure ball piston (7) and the reducing plug (11) in cavity and seal
Stifled ball II (10) diameter.
5. fracturing plugging ball performance testing device according to claim 1, it is characterised in that the test cylinder (14)
Outside is provided with heating collar (3), and the outside of the heating collar (3) is provided with muff (2).
6. fracturing plugging ball performance testing device according to claim 1, it is characterised in that the rotational lock mechanism
(1) include enclosing cover and be arranged in enclosing cover and the overcoat (101) and axle sleeve (102) of cone match, its bottom bracket axle (102) are sheathed on
The end of the runing rest (8) and it is provided with fault trough (104) vertically thereon, the overcoat (101) and the fixed mount (9)
Connection.
7. fracturing plugging ball performance testing device according to claim 6, it is characterised in that the runing rest (8) is entered
One step is connected with reductor.
8. fracturing plugging ball performance testing device according to claim 1, it is characterised in that the pressure ball piston (7)
Sealing ring is arranged with excircle, is connected by sealing ring with the test cylinder (14) inner wall sealing.
9. fracturing plugging ball performance testing device according to claim 1, it is characterised in that the bottom of the fixed mount (9)
Portion is provided with road wheel (13).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720328634.9U CN206787932U (en) | 2017-03-30 | 2017-03-30 | A kind of fracturing plugging ball performance testing device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201720328634.9U CN206787932U (en) | 2017-03-30 | 2017-03-30 | A kind of fracturing plugging ball performance testing device |
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| CN206787932U true CN206787932U (en) | 2017-12-22 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024525A (en) * | 2018-10-10 | 2020-04-17 | 中国石油化工股份有限公司 | Temporary plugging ball evaluation device and method for testing temporary plugging ball plugging performance by using same |
| CN111256961A (en) * | 2018-11-14 | 2020-06-09 | 中国石油天然气股份有限公司 | Device and method for evaluating performance of temporary plugging ball |
| CN111272588A (en) * | 2019-10-29 | 2020-06-12 | 中国石油化工股份有限公司 | Temporary plugging ball impact polishing testing device and testing method for fracturing of shale gas horizontal well |
| CN111413207A (en) * | 2020-04-13 | 2020-07-14 | 青岛大地新能源技术研究院 | Fracturing ball compression-resistant sealing test method for petroleum field |
-
2017
- 2017-03-30 CN CN201720328634.9U patent/CN206787932U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111024525A (en) * | 2018-10-10 | 2020-04-17 | 中国石油化工股份有限公司 | Temporary plugging ball evaluation device and method for testing temporary plugging ball plugging performance by using same |
| CN111256961A (en) * | 2018-11-14 | 2020-06-09 | 中国石油天然气股份有限公司 | Device and method for evaluating performance of temporary plugging ball |
| CN111272588A (en) * | 2019-10-29 | 2020-06-12 | 中国石油化工股份有限公司 | Temporary plugging ball impact polishing testing device and testing method for fracturing of shale gas horizontal well |
| CN111272588B (en) * | 2019-10-29 | 2022-06-03 | 中国石油化工股份有限公司 | Shale gas horizontal well fracturing temporary plugging ball impact polishing testing device and testing method |
| CN111413207A (en) * | 2020-04-13 | 2020-07-14 | 青岛大地新能源技术研究院 | Fracturing ball compression-resistant sealing test method for petroleum field |
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