CN106437659A - Double-drum hydraulic-cylinder-type ball injector for fracturing horizontal well - Google Patents
Double-drum hydraulic-cylinder-type ball injector for fracturing horizontal well Download PDFInfo
- Publication number
- CN106437659A CN106437659A CN201610891392.4A CN201610891392A CN106437659A CN 106437659 A CN106437659 A CN 106437659A CN 201610891392 A CN201610891392 A CN 201610891392A CN 106437659 A CN106437659 A CN 106437659A
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- China
- Prior art keywords
- ball
- cylinder
- pressure break
- valve element
- drum
- Prior art date
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 239000010720 hydraulic oil Substances 0.000 claims description 27
- 239000007788 liquid Substances 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 2
- 239000003208 petroleum Substances 0.000 abstract description 2
- 239000000446 fuel Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 4
- 239000003921 oil Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 210000001109 blastomere Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241001635479 Coris bulbifrons Species 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Actuator (AREA)
- Hydraulic Motors (AREA)
Abstract
The invention relates to the field of petroleum equipment, in particular to a double-drum hydraulic-cylinder-type ball injector for fracturing a horizontal well. The double-drum hydraulic-cylinder-type ball injector comprises a drum, a blind flange, a first hydraulic cylinder, a first ball drum, a first ball-loading-opening blind flange, a first fracturing ball, a second fracturing ball, a third fracturing ball, a second hydraulic cylinder, a second ball drum, a second ball-loading-opening blind flange, a fourth fracturing ball, a fifth fracturing ball, a sixth fracturing ball, a valve element stator, a valve element rotor, a steel ball, a stop block, a spring and a thrust ball bearing. The blind flange is fixedly connected to the upper end of the drum through studs; the first ball drum and the second ball drum are arranged on the two sides of the drum, the first fracturing ball, the second fracturing ball and the third fracturing ball are loaded in the first ball drum, and the fourth fracturing ball, the fifth fracturing ball and the sixth fracturing ball are loaded in the second ball drum; the first hydraulic cylinder and the second hydraulic cylinder are fixed to the tails of the first ball drum and the second ball drum through bolts respectively; the valve element stator is set on the thrust ball bearing in the drum; the stop block, the steel ball and the spring form a steel ball locking mechanism; the valve element stator is fixed into the drum. The double-drum hydraulic-cylinder-type ball injector is simple in structure and easy to control; pressure working can be achieved.
Description
Technical field
The present invention relates to petroleum equipment field, in particular for a kind of bitubular hydraulic cylinder type horizontal well of fractured horizontal well
Pressure break ball injector.
Background technology
Pressure break refers in oil recovery or gas recovery, using hydraulic action, makes oil-gas Layer form a kind of method in crack, also known as
Fracturing.Oil-gas Layer fracturing technology process fracturing unit truck, the liquid that high-pressure large-displacement is had certain viscosity clamp-ons oil reservoir, when
Oil reservoir is extruded behind many cracks, adds proppant (as quartz sand etc.) to be filled in crack, improve the penetrating power of oil-gas Layer, with
Increase water injection rate (water injection well) or oil production (oil well).During staged fracturing of horizontal well, often complete one section of fracturing work, need
Use pressure break ball sealing sleeve pipe, and open and cross liquid passage, to carry out next section of pressure break on the pit shaft of next section of pressure break.Pressure break
Ball is a series of spheroid that diameters do not wait, and these spheroids put into pit shaft from small to large successively.Due to live working environment
Inconvenience it is desirable to pressure break ball be capable of automatization throw in, and realize continuous several times throw in (i.e. input in need pressure break ball
Disposably put into ball injector, then put into respectively in well).
Content of the invention
Present invention seek to address that the problem mentioned in background technology, the present invention proposes a kind of bitubular fluid pressure type horizontal well pressure
Split and use ball injector, the like product belonging to patent at this stage can be replaced, the technical scheme that it adopts is as follows：
A kind of bitubular hydraulic cylinder type fractured horizontal well ball injector, including：Cylinder, blind flange, hydraulic cylinder I, ball cylinder I, dress
Ball mouth blind flange I, pressure break ball I, pressure break ball II, pressure break ball III, hydraulic cylinder II, ball cylinder II, ball-loading hole blind flange II, pressure break ball
IVth, pressure break ball V, pressure break ball VI, valve element stator, valve element rotor, steel ball, block, spring, thrust ball bearing.Blind flange passes through double
Header stud is fastened on the upper end of cylinder, realizes sealing；Ball cylinder I, ball cylinder II are bolted on the both sides of cylinder, are used for
Place pressure break ball to be put, pressure break ball I-III is contained in ball cylinder I, and pressure break ball IV-VI is contained in ball cylinder II；Ball-loading hole blind flange I is solid
It is scheduled on ball cylinder I, ball-loading hole blind flange II is fixed on ball cylinder II；Hydraulic cylinder I, hydraulic cylinder II are separately fixed at ball by bolt
Cylinder I, the afterbody of ball cylinder II, promote pressure break ball when needing to throw in pressure break ball by the motion of hydraulic cylinder piston rod；Thrust ball
Bearing is placed at the ladder of inner barrel, and valve element rotor is sat and is placed on thrust ball bearing；Block is bolted on valve element and turns
At square hole on son, and steel ball, spring composition ball lock mechanism；The ledge of valve element stator inserts the groove of inner barrel
Place realizes itself and fixes.
The invention has the advantages that：With respect to other like products being adopted at this stage, present configuration is simple, and
It is easily controlled；Can meet completely and carry out continuous several times pitching under conditions of not stopping well head fracturing unit.
Brief description
Fig. 1 is present configuration figure
In figure：1. hydraulic cylinder I, 2. ball cylinder I, 3. ball-loading hole blind flange I, 4. blind flange, 5. cylinder, 6. ball-loading hole blind flange
II, 7. ball cylinder II, 8. hydraulic cylinder II, 9. hydraulic oil inlet II, 10. hydraulic oil outlet II, 11. hydraulic oil outlet I, 12. hydraulic pressure
Oil-in I.
Fig. 2 is cut-away view of the present invention
In figure：13. thrust ball bearings, 14. pressure break balls I, 15. pressure break balls II, 16. pressure break balls III, 17. valve element rotors, 18.
Valve element stator, 19. pressure break balls IV, 20. pressure break balls V, 21. pressure break balls VI.
Fig. 3 is valve core structure figure of the present invention
22. blocks, 23. steel balls, 24. springs, 25. pressure break ball passages.
Fig. 4 is partial view one of the present invention
26. core hydraulic oil gateways I, 27. core hydraulic oil gateways II.
Fig. 5 is tube structure figure of the present invention
28. stator fixed grooves, 29. locking grooves.
Fig. 6 is valve element rotor structure figure of the present invention
30. square holes, 31. bearing plates, 32. circular holes.
Fig. 7 is valve element stator structure figure of the present invention
33. fixed structures.
Specific embodiment
The invention will be further described with example below in conjunction with the accompanying drawings：
As shown in Figure 1 and Figure 2, a kind of bitubular hydraulic cylinder type fractured horizontal well ball injector, including：Cylinder 5, blind flange 4,
Hydraulic cylinder I 1, ball cylinder I 2, ball-loading hole blind flange I 3, pressure break ball I 14, pressure break ball II 15, pressure break ball III 16, hydraulic cylinder II 8, ball cylinder
II 7, ball-loading hole blind flange II 6, pressure break ball IV 19, pressure break ball V 20, pressure break ball VI 21, valve element stator 18, valve element rotor 17, steel
Ball 23, block 22, spring 24, thrust ball bearing 13.Blind flange 4 is fastened on the upper end of cylinder 5 by studs, realizes
Sealing；Ball cylinder I 2, ball cylinder II 7 are bolted on the both sides of cylinder 5, for placing pressure break ball to be put, pressure break ball I
14th, pressure break ball II 15, pressure break ball III 16 are contained in ball cylinder I 2, and pressure break ball IV 19, pressure break ball V 20, pressure break ball VI 21 are contained in ball cylinder II
7；Ball-loading hole blind flange I 3 is fixed on ball cylinder I 2, and ball-loading hole blind flange II 6 is fixed on ball cylinder II 7；Hydraulic cylinder I 1, hydraulic cylinder
II 8 are separately fixed at the afterbody of ball cylinder I 2, ball cylinder II 7 by bolt, pass through hydraulic cylinder I 1 or liquid when needing to throw in pressure break ball
The motion of cylinder pressure II 8 piston rod is promoting pressure break ball；Thrust ball bearing 13 is placed at the ladder within cylinder 5, valve element rotor 17
Seat is placed on thrust ball bearing 13, the internal pressure break ball passage 25 for hollow of valve element rotor 17, and valve element rotor top is bearing plate
31, the hydraulic oil entering from core hydraulic oil gateway I 26 or core hydraulic oil gateway II 27 acts on bearing plate 31, makes valve
Core rotor 17 rotates around centrage；Spring 24 is held in place in the circular hole 32 on valve element rotor, and block 22 is bolted
At the square hole 30 on valve element rotor 17, steel ball 23 is limited between spring 24 and block 22, forms ball lock mechanism；Valve
Realize itself at the stator fixed groove 28 within fixed structure 33 insertion cylinder 5 of core stator 18 to fix, by chamber above valve element
Room is divided into high-pressure and low-pressure Liang Ge area；Inner barrel has stator fixed groove 28 and locking groove 29.
A kind of operation principle of above-mentioned bitubular hydraulic cylinder type fractured horizontal well ball injector is as follows：
When job site needs pitching operation, the band press liquid of extraneous hydraulic pressure pump group output is come in and gone out by core hydraulic oil
Mouth I 26 enters the cavity of valve element rotors 17 top, and hydraulic oil acts on bearing plate 31, promotes valve element rotor 17 by middle position up time
Pin ratates 90 degrees, and makes pressure break ball passage 25 alignment with the ball cylinder I 2, and the steel ball 23 in ball lock mechanism is under the effect of spring 24 elastic force
The locking groove 29 of entrance cylinder 5, the position of locking spool rotor 17, the now cavity pressure rising of valve element rotor 17 top,
External sensor detects pressure change, stops the fuel feeding to core hydraulic oil gateway I 26, now starts to hydraulic cylinder I 1
Fuel feeding, hydraulic oil enters hydraulic cylinder I 1 from the hydraulic oil inlet I 12 of hydraulic cylinder I 1, and the piston rod of hydraulic cylinder I 1 acts in pressure
Under, promote the pressure break ball I 14 in ball cylinder I 2, pressure break ball II 15, pressure break ball III 16 to travel forward, until pressure break ball III 16 enters pressure
Blastomere passage 25, now external sensor the stroke of hydraulic cylinder I 1 is detected, control outside pump group fuel cut-off, realize pressure break ball
III 16 input, hydraulic oil is entered in core hydraulic oil gateway II 27, and 90 degree of valve element rotor 17 rotate counterclockwise returns to middle position, above
It is the operation principle that the present invention realizes I 2 pitchings of ball cylinder, repeats above procedure, complete pressure break ball I 14, pressure break ball II 15
Throw in, throw in when the pressure break ball in ball cylinder I 2 and finish, outside pump group is to hydraulic oil outlet I 12 fuel feeding, until the work of hydraulic cylinder I 1
Stopper rod returns in situ.
Throw in when the pressure break ball in ball cylinder I 2 and finish, the band press liquid of extraneous hydraulic pressure pump group output is gone out by core hydraulic oil
Entrance II 27 enters the cavity of valve element rotor 17 top, and hydraulic oil acts on bearing plate 31, promotes valve element rotor 17 by middle position
90 degree of rotate counterclockwise, makes pressure break ball passage 25 alignment with the ball cylinder II 7, and the steel ball 23 in ball lock mechanism is made in spring 24 elastic force
With the lower locking groove 29 entering cylinder 5, the position of locking spool rotor 17, when valve element rotor 17 top cavity pressure liter
Height, external sensor detects pressure change, stops the fuel feeding to core hydraulic oil gateway II 27, now starts to hydraulic cylinder
II 8 fuel feeding, hydraulic oil enters hydraulic cylinder II 8 from the hydraulic oil inlet II 9 of hydraulic cylinder II 8, and the piston rod of hydraulic cylinder II 8 is in pressure
Under power effect, the pressure break ball IV 19 in ball cylinder II 7, pressure break ball V 20, pressure break ball VI 21 is promoted to travel forward, until pressure break ball IV
19 enter pressure break ball passages 25, and now external sensor detects the stroke of hydraulic cylinder II 8, control outside pump group fuel cut-off,
Realize the input of pressure break ball IV 19, hydraulic oil is entered in core hydraulic oil gateway I 26, and valve element rotor 17 dextrorotation turn 90 degrees and returns to
Middle position, is more than the operation principle that the present invention realizes II 7 pitchings of ball cylinder, repeats above procedure, completes pressure break ball V 20, pressure
The input of blastomere VI 21, when in ball cylinder II 7 pressure break ball throw in finish, outside pump group to hydraulic oil outlet II 10 fuel feeding, until
The piston rod of hydraulic cylinder II 8 returns in situ.
Claims (1)
1. a kind of bitubular hydraulic cylinder type fractured horizontal well ball injector is it is characterised in that include：Cylinder (5), blind flange (4), liquid
Cylinder pressure I (1), ball cylinder I (2), ball-loading hole blind flange I (3), pressure break ball I (14), pressure break ball II (15), pressure break ball III (16), hydraulic pressure
Cylinder II (8), ball cylinder II (7), ball-loading hole blind flange II (6), pressure break ball IV (19), pressure break ball V (20), pressure break ball VI (21), valve
Core stator (18), valve element rotor (17), steel ball (23), block (22), spring (24), thrust ball bearing (13), blind flange (4) leads to
Cross the upper end that studs is fastened on cylinder (5), ball cylinder I (2), ball cylinder II (7) are bolted on the two of cylinder (5)
Side, pressure break ball I (14), pressure break ball II (15), pressure break ball III (16) are contained in ball cylinder I (2), pressure break ball IV (21), pressure break ball V
(20), pressure break ball VI (21) is contained in ball cylinder II (7), and ball-loading hole blind flange I (3) is fixed on ball cylinder I (2), ball-loading hole blind flange
II (6) is fixed on ball cylinder II (7), and hydraulic cylinder I (1), hydraulic cylinder II (8) are separately fixed at ball cylinder I (2), ball cylinder by bolt
II (7) afterbody, thrust ball bearing (13) is placed at the internal ladder of cylinder (5), and valve element rotor (17) is sat and is placed on thrust ball axle
Hold on (13), for pressure break ball passage (25) of hollow inside valve element rotor (17), valve element rotor top is bearing plate (31), from valve
Core hydraulic oil gateway I (26) or the hydraulic oil that enters of core hydraulic oil gateway II (27) act on bearing plate (31), make valve
Core rotor (17) rotates around centrage, and spring (24) is held in place the circular hole (32) on valve element rotor Nei, and block (22) passes through
It is bolted to square hole (30) place on valve element rotor (17), steel ball (23) is limited between spring (24) and block (22),
Composition ball lock mechanism, the fixed structure (33) of valve element stator (18) inserts the internal stator fixed groove (28) of cylinder (5)
Place realizes itself and fixes, and valve element upper chambers are divided into two lateral areas of high-pressure and low-pressure, and inner barrel has stator fixed groove
(28) and locking groove (29).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891392.4A CN106437659B (en) | 2016-10-12 | 2016-10-12 | A kind of bitubular hydraulic cylinder type fractured horizontal well ball injector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610891392.4A CN106437659B (en) | 2016-10-12 | 2016-10-12 | A kind of bitubular hydraulic cylinder type fractured horizontal well ball injector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106437659A true CN106437659A (en) | 2017-02-22 |
| CN106437659B CN106437659B (en) | 2018-09-25 |
Family
ID=58173778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610891392.4A Expired - Fee Related CN106437659B (en) | 2016-10-12 | 2016-10-12 | A kind of bitubular hydraulic cylinder type fractured horizontal well ball injector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106437659B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775237A (en) * | 2018-05-28 | 2018-11-09 | 中石化石油工程技术服务有限公司 | The continuous ball-throwing apparatus of separate stratum fracfturing |
| CN110656916A (en) * | 2018-06-28 | 2020-01-07 | 东北石油大学 | Automatic ball injector for multi-stage fracturing |
| CN111456679A (en) * | 2020-04-02 | 2020-07-28 | 刘超 | Fracturing ball injector for oil well |
| CN112031693A (en) * | 2020-09-17 | 2020-12-04 | 中油国家油气钻井装备工程技术研究中心有限公司 | Hydraulic pushing wellhead connecting device |
| CN112324417A (en) * | 2020-11-30 | 2021-02-05 | 上海廊盛石油设备有限公司 | Clip type continuous ball injector |
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2016
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108775237A (en) * | 2018-05-28 | 2018-11-09 | 中石化石油工程技术服务有限公司 | The continuous ball-throwing apparatus of separate stratum fracfturing |
| CN110656916A (en) * | 2018-06-28 | 2020-01-07 | 东北石油大学 | Automatic ball injector for multi-stage fracturing |
| CN110656916B (en) * | 2018-06-28 | 2021-05-07 | 东北石油大学 | Automatic ball injector for multi-stage fracturing |
| CN111456679A (en) * | 2020-04-02 | 2020-07-28 | 刘超 | Fracturing ball injector for oil well |
| CN112031693A (en) * | 2020-09-17 | 2020-12-04 | 中油国家油气钻井装备工程技术研究中心有限公司 | Hydraulic pushing wellhead connecting device |
| CN112324417A (en) * | 2020-11-30 | 2021-02-05 | 上海廊盛石油设备有限公司 | Clip type continuous ball injector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106437659B (en) | 2018-09-25 |
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| C06 | Publication | ||
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| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Hanxiang Inventor after: Zhang Yanwen Inventor after: Yang Hongde Inventor after: Liu Yanxin Inventor after: Che Jiaqi Inventor after: Lv Xiaoxiao Inventor before: Wang Hanxiang Inventor before: Yang Hongde Inventor before: Liu Yanxin Inventor before: Che Jiaqi Inventor before: Lv Xiaoxiao |
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| GR01 | Patent grant | ||
| 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: 20180925 Termination date: 20191012 |