CN206092306U - Modularization fluid pressure type fracturing pump and be equipped with fracturing unit truck of this fracturing pump - Google Patents
Modularization fluid pressure type fracturing pump and be equipped with fracturing unit truck of this fracturing pump Download PDFInfo
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- CN206092306U CN206092306U CN201621014515.8U CN201621014515U CN206092306U CN 206092306 U CN206092306 U CN 206092306U CN 201621014515 U CN201621014515 U CN 201621014515U CN 206092306 U CN206092306 U CN 206092306U
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Abstract
The utility model relates to a fracturing unit technical field, in particular to modularization fluid pressure type fracturing pump and be equipped with fracturing unit truck of this fracturing pump. This modularization fluid pressure type fracturing pump includes the power end, and the power end includes two at least crankcases, and two adjacent crankcases are middle to be equipped with the gear box, and the gear box can be dismantled with the crankcase of both sides and be connected. The utility model provides a modularization fluid pressure type fracturing pump sets up a plurality of crankcases at the power end to set up the gear box between adjacent crankcase, be connected for to dismantle between gear box and the crankcase simultaneously, can select the crankcase of right quantity to connect at the power end according to specific rated power demand, the different rated power's of combination component through a plurality of crankcases force pump, the product type spectrum of expanded fracturing pump, and through making up the fracturing pump that fracturing pump that a plurality of crankcases constitute can form big rated power, can satisfy the demand to the big discharge capacity fracturing pump of big rated power, can improve fracturing unit truck rated power.
Description
Technical field
This utility model is related to fracturing unit technical field, more particularly to a kind of modularity fluid pressure type fracturing pump and is provided with this
The fracturing unit truck of fracturing pump.
Background technology
Pressing crack construction operation is one of the important means for transforming oil-gas reservoir, for low-permeability oil gas well, generally require by
The purpose of stable yields and volume increase be can be only achieved in fracturing work.Fracturing unit truck is the capital equipment of pressing crack construction, and its effect is to ground
In layer, injection high pressure, the fracturing fluid of huge discharge, stratum is pressed off, supporting material (such as fracturing sand) crack is clamp-oned, to strengthen stratum
Permeability, increases the mobility of oil gas, improves the rate of oil and gas recovery.Existing pressure break pump configuration typically adopts crank type plunger displacement pump,
Crank type plunger displacement pump mainly includes bent axle, multiple connecting rods and multiple plungers etc., as power input gear is helical gear, therefore needs
Two helical gears to be arranged with the two ends of bent axle, the weight of the whole machine which adds, the sky that concurrent fracturing pump takes
Between also become big.Therefore existing fracturing pump is existing, and fluid end is typically all 3+2 forms, so will can be put in gear wheel, reduces
The space that gear drive takes, but the rated power of existing fracturing pump is relatively low to be typically 2800HP to the maximum, it is impossible to meet big
The demand of rated power huge discharge fracturing pump；In addition, power end housing (gear-box and crankcase) adopts welding structure, each type
Number fracturing pump corresponding rated power be all it is fixed can not change, structure function is single, and component universality is poor, product
Autgmentability difference cannot be met for the demand of each power section fracturing pump.
Utility model content
The purpose of this utility model is to provide a kind of modularity fluid pressure type fracturing pump, to solve present in prior art
Gear drive take space is big, whole fracturing pump weight big and the rated power of compression pump is little cannot meet market for big
The problem of the demand of rated power huge discharge fracturing pump.
To reach above-mentioned purpose, this utility model provides technical scheme below：A kind of modularity fluid pressure type fracturing pump, including
Power end, the power end include at least two crankcases, are provided with gear-box, the gear-box in the middle of two adjacent crankcases
It is detachably connected with the crankcase of both sides.
The modularity fluid pressure type fracturing pump that this utility model is provided, arranges multiple crankcases in power end, and adjacent
Crankcase between gear-box is set, while to be detachably connected between gear-box and crankcase, the cylinder number in each crankcase
Difference, and the rated power of single cylinder is identical, so can select appropriate in power end according to specific rated power demand
The crankcase connection of quantity, constitutes the compression pump of different rated power by the combination of multiple crankcases, expansible fracturing pump
Product type spectrum；And the fracturing pump constituted by combining multiple crankcases can form the fracturing pump of high nominal powers, can meet
Rated power is improved for high nominal powers, the demand of huge discharge fracturing pump in market, improves work efficiency；With existing pressure break
Pump is compared, the fluid pressure type fracturing pump that this utility model is provided, and which adopts modularized design, it is possible to increase the versatility of part, group
Close out the compression pump of high nominal powers.
Further, also including fluid end, the fluid end include plunger and with the one-to-one pump head of the crankcase
Body, the plunger are connected with the pump head body；Pump head body is to correspond to arrange with the crankcase, such as arranges two bent axles
Case is then correspondingly provided with two pump head bodies, and the cylinder number of the two is identical, and operationally bent axle drives plunger to move reciprocatingly.
Further, the crankcase is triplex crankcase or two cylinder crankcase；Crankcase and the pump head body of fluid end
Quantity and cylinder number are one-to-one, while can form different specified work(by the combination of triplex crankcase and two cylinder crankcase
The fracturing pump of rate, such as single cylinder rated power 500hp (HP be horsepower, 1 horsepower=0.746 kilowatt), power end is provided with two bent axles
Case, one of them is that the rated power of the fracturing pump that two cylinder crankcase another triplex crankcase is so combined into is
2500hp；If power end is provided with two crankcases, and two crankcases are the fracturing pump that triplex crankcase is so combined into
Rated power be 3000hp；If the power end of fracturing pump is provided with three crankcases, two of which is that two cylinder crankcase is another
One triplex crankcase, then fracturing pump volume determine rated power 3500hp, therefore can be selected not according to other combining forms
The fracturing pump of different rated power, the product type spectrum of expansible fracturing pump are combined into the crankcase of quantity, and pass through to increase
Plus the quantity of crankcase can be combined into the fracturing pump of nominal power, disclosure satisfy that market for high nominal powers, huge discharge
The demand of fracturing pump.
Further, the crankcase is provided with two, and one of crankcase is triplex crankcase, and another crankcase is
Two cylinder crankcase.
Further, the crankcase is provided with two, and two crankcases are triplex crankcase.
Further, the crankcase is provided with three, and two of which crankcase is two cylinder crankcase, and another is that triplex is bent
Axle box, triplex crankcase are located between two two cylinder crankcases, and are all provided between the two cylinder crankcase of triplex crankcase and both sides
It is equipped with gear-box.
Further, it is bolted between the gear-box and the crankcase.
Further, power input gear is provided with the gear-box, be equipped with bent axle in each described crankcase, it is described
Power input gear is connected with the bent axle positioned at its two ends respectively；Plunger cavity, one end of the plunger are provided with the pump head body
It is connected with the bent axle by connecting rod, the other end inserts the plunger intracavity；The plunger is reciprocating in plunger intracavity.
This utility model additionally provides a kind of fracturing unit truck, including chassis and the fracturing pump described in any of the above-described, the pressure
Split pump to be arranged on the chassis.
Modularity fluid pressure type fracturing pump provided by the utility model can produce following beneficial effect：By setting in power end
Multiple crankcases are put, and gear-box is set between adjacent crankcase, while being detachable between gear-box and crankcase
Connection, cylinder number in each crankcase are different, and the rated power of single cylinder be it is identical, so can be according to specific rated power
Demand, selects an appropriate number of crankcase connection in power end, constitutes different rated power by the combination of multiple crankcases
Compression pump, the product type spectrum of expansible fracturing pump；And the fracturing pump constituted by combining multiple crankcases can form wholesale
Determine the fracturing pump of power, market can be met for the demand of high nominal powers huge discharge fracturing pump, rated power is improved, work is improved
Make efficiency；Compared with existing fracturing pump, the fluid pressure type fracturing pump that this utility model is provided, which adopts modularized design, can
The versatility of part is improved, the compression pump of high nominal powers is combined into, and the tooth of power input gear in the application, will be provided with
Roller box is arranged in the middle of two crankcases, will not produce eccentric force, therefore fracturing pump occurs that in running that what is rocked asks
Topic, while gear-box is arranged on middle part and can be reduced the space of gear drive occupancy, be reduced the volume of fracturing pump, while can also
The weight of fracturing pump is reduced enough.
Description of the drawings
In order to be illustrated more clearly that this utility model specific embodiment or technical scheme of the prior art below will be right
Needed for specific embodiment or description of the prior art, accompanying drawing to be used is briefly described, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is the structural representation of the modularity fluid pressure type fracturing pump that this utility model embodiment one is provided；
Fig. 2 is the structural representation of the modularity fluid pressure type fracturing pump that this utility model embodiment two is provided；
Fig. 3 is the structural representation of the modularity fluid pressure type fracturing pump that this utility model embodiment three is provided.
Reference：
1- triplex crankcases；2- two cylinder crankcases；3- triplex fluid ends；
4- two cylinder fluid ends；5- gear-boxes；6- plungers；
7- adpting flanges.
Specific embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is a part of embodiment of this utility model, rather than the embodiment of whole.Based on the embodiment in this utility model, this
The every other embodiment obtained under the premise of creative work is not made by field those of ordinary skill, belongs to practical
Novel protected scope.
In description of the present utility model, it should be noted that term " " center ", " on ", D score, "left", "right", " perpendicular
Directly ", the orientation or position relationship of the instruction such as " level ", " interior ", " outward " is, based on orientation shown in the drawings or position relationship, to be only
For the ease of describe this utility model and simplify description, rather than indicate or imply indication device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that indicating or implying relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", " being connected ", " connection " should be interpreted broadly, for example, it may be fixedly connected, or be detachably connected, or integratedly
Connection；Can be mechanically connected, or electrically connect；Can be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Concrete meaning of the language in this utility model.
As shown in Figure 1 to Figure 3, this utility model provides technical scheme below：A kind of modularity fluid pressure type fracturing pump, including
Power end, the power end include at least two crankcases, are provided with gear-box 5, the gear in the middle of two adjacent crankcases
Case 5 is detachably connected with the crankcase of both sides.
The modularity fluid pressure type fracturing pump that this utility model is provided, arranges multiple crankcases in power end, and adjacent
Crankcase between gear-box 5 is set, while to be detachably connected between gear-box 5 and crankcase, the cylinder in each crankcase
Number is different, and the rated power of single cylinder is identical, so can select appropriate in power end according to specific rated power demand
The crankcase connection of quantity, constitutes the compression pump of different rated power by the combination of multiple crankcases, expansible fracturing pump
Product type spectrum；And the fracturing pump constituted by combining multiple crankcases can form the fracturing pump of high nominal powers, can meet
Rated power is improved for the demand of high nominal powers huge discharge fracturing pump in market, improves work efficiency；With existing fracturing pump
Compare, the fluid pressure type fracturing pump that this utility model is provided, which adopts modularized design, it is possible to increase the versatility of part, combination
Go out the compression pump of high nominal powers；And the gear-box 5 for being provided with power input gear is arranged on into two crankcases in the application
Centre, will not produce eccentric force, therefore fracturing pump occurs the problem rocked in running, while gear-box 5 is arranged
The space of gear drive occupancy can be reduced, reduce the volume of fracturing pump, while the weight of fracturing pump can also be reduced at middle part.
Embodiment one
As shown in figure 1, the fracturing pump provided in the present embodiment includes power end and fluid end, the power end includes two
Crankcase, two crankcases are respectively two cylinder crankcase 2 and triplex crankcase 1, the fluid end include pump head body and with it is described
The plunger 6 that pump head body is connected, as the quantity and cylinder number of the crankcase are one-to-one therefore described with the fluid end
Fluid end is triplex fluid end 3 (being provided with three plunger cavities in i.e. described pump head body) and two cylinder fluid end 4 (in i.e. described pump head body
It is provided with two plunger cavities), power input gear is provided with the gear-box 5, bent axle is provided with the crankcase, the power is defeated
The two ends for entering gear are connected with both sides bent axle respectively, while being connected with three companies side by side on the length direction of a bent axle wherein
Bar, is connected with two connecting rods side by side on another bent axle, each described connecting rod is by crosshead and the plunger 6 of fluid end
One end is connected, and plunger cavity, one end of the plunger 6 and the crosshead are provided with pump head body described in the other end of the plunger 6
It is connected, described in the plunger intracavity in the other end insertion pump head body, bent axle promotes the plunger by the connecting rod and crosshead
6 is reciprocating；Wherein the rated power of single cylinder is 500hp (HP be horsepower, 1 horsepower=0.746 kilowatt), then in the present embodiment
The fracturing pump rated power of offer is 2500hp.
Wherein, connected by adpting flange 7 between the plunger cavity of two pump head bodies on triplex fluid end and two cylinder fluid ends
It is logical, such as flange 3 is logical, flange 4 is logical etc., by arranging adpting flange 7, two fluid ends are connected, it is ensured that multi-cylinder is driven through liquid
Working media (fracturing fluid) is sucked and continuous High voltage output by power end.
Its course of work is that the power input gear in gear-box 5 is connected with hydraulic motor by gear shaft, while power
Input gear is connected with the bent axle positioned at its two ends respectively, drives crank rotation, bent axle drivening rod to make crank slide block movement, even
Bar is connected with plunger 6 by crosshead, and then drives the plunger 6 to move reciprocatingly in plunger intracavity, so as to realize by liquid
Working media (fracturing fluid) is sucked and continuous High voltage output by power end, to carry out fracturing work
Wherein, it is bolted between the gear-box 5 and the crankcase；The simple structure of bolt connecting mode,
The connection being easy between gear-box 5 and crankcase and dismounting, it is preferable that the gear-box 5 is provided with first flange side, the song
Axle box is provided with the first flange in the second flange being engaged, the first flange while and during second flange on be provided with
The gear-box and the crankcase are fixed by corresponding through hole, the bolt through the through hole.
Certainly, the gear-box 5 can also be connected by other connected modes with before the crankcase, as long as can
Being detachably connected between gear-box 5 and crankcase is realized, the purpose of the application just can be equally realized, its objective is without departing from this
The design philosophy of utility model.
Preferably, the bent axle in the triplex crankcase 1 is provided with three rod journals, the bent axle in two cylinder crankcase 2
Two rod journals are provided with, one end of the connecting rod is connected with the rod journal, and the other end is connected with the crosshead.
Preferably, the power input gear and the bent axle pass through shaft coupling or bonded, power input gear and song
Axle transmits drive force to bent axle and drives crank rotation, shaft coupling by shaft coupling or bonded, and then power input gear
Or bonded simple structure, replacing easy to disassemble, the connection simultaneously for power input gear and bent axle are relatively reliable.
Certainly, can also be connected by other attachment structures between the bent axle and power input gear in the present embodiment
It is connected together, as long as can realize that tearing open between bent axle and power input gear closes the purpose that just can equally realize the application,
Its objective should belong to protection domain of the present utility model without departing from design philosophy of the present utility model.
In the present embodiment, connected by adpting flange 7 between the plunger cavity of two pump head bodies on two triplex fluid ends 3
It is logical, such as flange 3 is logical, flange 4 is logical etc., by arranging adpting flange 7, two fluid ends are connected, it is ensured that multi-cylinder is driven through liquid
Working media (fracturing fluid) is sucked and continuous High voltage output by power end.
Embodiment two
The present embodiment is substantially the same with the technical scheme in embodiment one, and which differs primarily in that, as shown in Fig. 2 described
Power end includes two crankcases, and two crankcases are triplex crankcase 1, the fluid end include pump head body and with the pump
Head body phase plunger 6 even, as the quantity and cylinder number of the crankcase are, therefore the liquid one-to-one with the fluid end
Power end is also triplex fluid end 3 (being provided with three plunger cavities in i.e. described pump head body), while in the length side of two bent axles
Three connecting rods are connected with upwards side by side, while three rod journals on each described bent axle, are provided with, the one of the connecting rod
End is connected with the rod journal, and the other end is connected with the crosshead.Rated power so in single cylinder is that (HP is 500hp
Horsepower, 1 horsepower=0.746 kilowatt) when, the fracturing pump rated power provided in the present embodiment is 3000hp.
Embodiment three
The present embodiment is substantially the same with the technical scheme in embodiment one, and which differs primarily in that, as shown in figure 3, described
Power end includes three crankcases, two of which crankcase two cylinder crankcase 2, and another is triplex crankcase 1, and the triplex is bent
Axle box 1 is located between two two cylinder crankcases 2, while the gear-box 5 also is provided with two, two gear-boxes 5 are located at two respectively
Between cylinder crankshaft case 2 and triplex crankcase 1, the plunger 6 that the fluid end is included pump head body and is connected with the pump head body, due to
The quantity and cylinder number of the crankcase is one-to-one with the fluid end, therefore the fluid end also is provided with three, wherein
Including two two cylinder fluid ends 4 (being provided with two plunger cavities in i.e. described pump head body) and a 3 (i.e. described pump head of triplex fluid end
Three plunger cavities are provided with vivo), power input gear is provided with the gear-box 5, bent axle is provided with the crankcase, it is described dynamic
The two ends of power input gear are connected with both sides bent axle respectively, while on the length direction of the bent axle in triplex crankcase 1 side by side
Three connecting rods are connected with, two connecting rods on the bent axle in two cylinder crankcase 2, are connected with side by side, each described connecting rod passes through cross
Head is connected with one end of the plunger 6 of fluid end, and plunger cavity, the plunger 6 are provided with pump head body described in the other end of the plunger 6
One end be connected with the crosshead, bent axle described in the plunger intracavity that the other end inserts in the pump head body by the connecting rod and
Crosshead promotes the plunger 6 reciprocating；Wherein the rated power of single cylinder be 500hp (HP is horsepower, 1 horsepower=0.746
Kilowatt), then the fracturing pump rated power for providing in the present embodiment is 3500hp.
In the present embodiment, three fluid ends are provided with, including：Two two cylinder fluid ends 4 and a triplex fluid end 3, institute
Triplex fluid end 3 is stated between two two cylinder fluid ends 4, the plunger cavity on such triplex fluid end 3 passes through two connection methods
Blue 7 are connected with the plunger cavity of two two cylinder fluid ends, the 4 upper pump head body of both sides respectively, and such as flange 3 is logical, flange 4 is logical etc., by setting
Adpting flange 7 is put, three fluid ends are connected, it is ensured that multi-cylinder is driven through fluid end and working media (fracturing fluid) is sucked and connected
Continuous High voltage output.
This utility model additionally provides a kind of fracturing unit truck for being equiped with the fracturing pump, including chassis and fracturing pump, the pressure
It is the fracturing pump described in any of the above-described embodiment to split pump, and the fracturing pump is horizontally installed in the rear portion on the chassis.The pressure break
Car also includes electromotor and drive system, and the drive system is connected with the electromotor, the fracturing pump and the power train
The oil inlet pipe and oil return pipe of system connection, the electromotor and drive system is connected with oil pump and fuel tank respectively, for realizing to pressure
Split the lubrication of pump.The fracturing unit truck also includes fracturing fluid intake manifold and fracturing fluid outlet manifold, the fracturing fluid intake manifold
It is connected with the fluid end of the fracturing pump with fracturing fluid outlet manifold respectively.The fracturing unit truck that this utility model is provided has structure tight
Gather, the advantages of rated power is big.
In sum, modularity fluid pressure type fracturing pump provided by the utility model can produce following beneficial effect：Pass through
Multiple crankcases are set in power end, and gear-box are set between adjacent crankcase, at the same gear-box and crankcase it
Between to be detachably connected, the cylinder number in each crankcase is different, and the rated power of single cylinder be it is identical, so can be according to concrete
Rated power demand, select the connection of an appropriate number of crankcase in power end, constituted by the combination of multiple crankcases different
The compression pump of rated power, the product type spectrum of expansible fracturing pump；And by combining the fracturing pump energy that multiple crankcases are constituted
The fracturing pump of high nominal powers is enough formed, market can be met for the demand of high nominal powers huge discharge fracturing pump, improved specified
Power, improves work efficiency；Compared with existing fracturing pump, the fluid pressure type fracturing pump that this utility model is provided, which adopts module
Change design, it is possible to increase the versatility of part, be combined into the compression pump of high nominal powers, and it is defeated power will to be provided with the application
The gear-box for entering gear is arranged in the middle of two crankcases, will not produce eccentric force, therefore fracturing pump can go out in running
The problem now rocked, while gear-box is arranged on middle part and can be reduced the space of gear drive occupancy, be reduced the body of fracturing pump
Product, while the weight of fracturing pump can also be reduced.
Finally it should be noted that：Various embodiments above is only illustrating the technical solution of the utility model, rather than which is limited
System；Although being described in detail to this utility model with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：Which still can be modified to the technical scheme described in foregoing embodiments, or to which part or whole
Technical characteristic carries out equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of each embodiment technical scheme of type.
Claims (9)
1. a kind of modularity fluid pressure type fracturing pump, it is characterised in that including power end, the power end includes at least two bent axles
Case, is provided with gear-box in the middle of two adjacent crankcases, and the gear-box is detachably connected with the crankcase of both sides, also including liquid
Power end, the fluid end include plunger and with the one-to-one pump head body of the crankcase, the plunger and the pump head body phase
Even.
2. modularity fluid pressure type fracturing pump according to claim 1, it is characterised in that the crankcase is triplex crankcase
Or two cylinder crankcase.
3. modularity fluid pressure type fracturing pump according to claim 2, it is characterised in that the crankcase is provided with two, its
In crankcase be triplex crankcase, another crankcase is two cylinder crankcase.
4. modularity fluid pressure type fracturing pump according to claim 2, it is characterised in that the crankcase is provided with two, two
The individual crankcase is triplex crankcase.
5. modularity fluid pressure type fracturing pump according to claim 2, it is characterised in that the crankcase is provided with three, its
In two crankcases be two cylinder crankcase, another is triplex crankcase, and triplex crankcase is located between two two cylinder crankcases,
And gear-box is provided between the two cylinder crankcase of triplex crankcase and both sides.
6. modularity fluid pressure type fracturing pump according to claim 1, it is characterised in that the gear-box and the crankcase
Between be bolted.
7. modularity fluid pressure type fracturing pump according to claim 1, it is characterised in that be provided with power in the gear-box defeated
Enter gear, in each described crankcase, be equipped with bent axle, the power input gear is connected with the bent axle positioned at its two ends respectively；
Plunger cavity is provided with the pump head body, one end of the plunger is connected with the bent axle by connecting rod, the other end inserts the post
Plug intracavity；The plunger is reciprocating in plunger intracavity.
8. modularity fluid pressure type fracturing pump according to claim 7, it is characterised in that the plunger cavity on adjacent pump head body it
Between by adpting flange connect.
9. a kind of fracturing unit truck, it is characterised in that including chassis and the fracturing pump as described in any one of claim 1 to 8, the pressure
Split pump to be arranged on the chassis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621014515.8U CN206092306U (en) | 2016-08-30 | 2016-08-30 | Modularization fluid pressure type fracturing pump and be equipped with fracturing unit truck of this fracturing pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621014515.8U CN206092306U (en) | 2016-08-30 | 2016-08-30 | Modularization fluid pressure type fracturing pump and be equipped with fracturing unit truck of this fracturing pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206092306U true CN206092306U (en) | 2017-04-12 |
Family
ID=58477734
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621014515.8U Active CN206092306U (en) | 2016-08-30 | 2016-08-30 | Modularization fluid pressure type fracturing pump and be equipped with fracturing unit truck of this fracturing pump |
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| CN (1) | CN206092306U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608028A (en) * | 2019-10-14 | 2019-12-24 | 中石化四机石油机械有限公司 | Double-layer electric-driven fracturing skid-mounted equipment |
-
2016
- 2016-08-30 CN CN201621014515.8U patent/CN206092306U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110608028A (en) * | 2019-10-14 | 2019-12-24 | 中石化四机石油机械有限公司 | Double-layer electric-driven fracturing skid-mounted equipment |
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