CN104587868B - A kind of mixing sand tank, fracturing blender truck and fracturing unit truck group - Google Patents
A kind of mixing sand tank, fracturing blender truck and fracturing unit truck group Download PDFInfo
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- CN104587868B CN104587868B CN201410850892.4A CN201410850892A CN104587868B CN 104587868 B CN104587868 B CN 104587868B CN 201410850892 A CN201410850892 A CN 201410850892A CN 104587868 B CN104587868 B CN 104587868B
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Abstract
The invention discloses a kind of mixing sand tank, fracturing blender truck and a kind of fracturing unit truck group, to improve the of the fracturing fluid uniformity, improve pressure break quality. Upper umbrella plate and subumbrella plate that mixing sand tank comprises tank body and is configured in tank body and is coaxially set, wherein: the open top of described tank body, bottom has base fluid import and fracturing fluid outlet; Described upper umbrella plate is fixedly connected with tank body; Between described subumbrella plate and described upper umbrella plate, there is gap, and center has liquid outlet, between described liquid outlet and described base fluid import, have for the mobile fluid passage of base fluid.
Description
Technical field
The present invention relates to field fracturing equipment technical field, particularly relate to a kind of mixing sand tank, fracturing blender truck andPlant fracturing unit truck group.
Background technology
In the recovery process of crude oil, need to increase recovery ratio by fracturing technology. Fracturing blender truck is as pressureSplit the nucleus equipment of car group, in oil field compression fracture process, play vital effect. In fracturing blender truck, mixedSand tank is the core component that sand grains is mixed with base fluid. As shown in Figure 1, fracturing blender truck is in when work, base fluid fromThe base fluid inlet 50 of mixing sand tank 100 is injected into, and sand grains is added from the top of mixing sand tank 100 by Jia Sha mechanismEnter, sand grains and base fluid be forming fracturing fluid in the tank body of mixing sand tank 100 after agitator arm 70 stirs, fromFracturing fluid outlet 60 is discharged, and flows to main delaying unloading with certain pressure.
The defect that above-mentioned prior art exists is, the sand grains that enters mixing sand tank is easy to present gathering shape, byMixing effect in agitator arm is limited, and sand grains and base fluid are difficult to be stirred, thereby makes to flow to masterThe fracturing fluid uniformity of delaying unloading is poor, badly influences pressure break quality. Stirring when in addition, agitator arm is workedMix energy consumption also higher.
Summary of the invention
The embodiment of the present invention provides a kind of mixing sand tank, fracturing blender truck and a kind of fracturing unit truck group, to improve fracturing fluidThe uniformity, improve pressure break quality.
The mixing sand tank that the embodiment of the present invention provides, comprises tank body and is configured in tank body and is coaxially setUpper umbrella plate and subumbrella plate, wherein:
The open top of described tank body, bottom has base fluid import and fracturing fluid outlet;
Described upper umbrella plate is fixedly connected with tank body;
Between described subumbrella plate and described upper umbrella plate, there is gap, and center has liquid outlet, described in go outBetween liquid mouth and described base fluid import, have for the mobile fluid passage of base fluid.
Optionally, the top open part of described tank body is fixed with multiple supporting plates, and the top of described upper umbrella plate hasFixed axis, is connected with gusset between described fixed axis and each supporting plate.
Preferably, mixing sand tank also comprises access tube, and the liquid outlet of described subumbrella plate is connected with a sleeve pipe, described inOne end of access tube is connected with the described base fluid import of described tank body, and the other end is connected with described sleeve pipe.
Preferably, mixing sand tank also comprises: be disposed at the bottom space of tank body and be coaxially set with subumbrella plateAgitator arm, described agitator arm can drive rotation by driven device.
More excellent, mixing sand tank also comprises: be fixed on multiple deflectors of inner tank wall, described multiple deflectorsAlong the circumferential array of inner tank wall, and be positioned at the top of agitator arm.
Preferably, described deflector is T-shaped deflector, the less one end of the size of described deflector with described inThe inwall of tank body connects.
Preferably, the upper surface of described upper umbrella plate is positioned at the open-topped below of described tank body.
Preferably, described upper umbrella plate and/or described subumbrella plate are conical surface shape.
In the technical scheme of the embodiment of the present invention, when base fluid continue to add from the base fluid import of tank body fashionable, byIn the existence of inertial flow, base fluid can be gone out from the liquid outlet of subumbrella plate, and impacts the lower surface of upper umbrella plate,Afterwards under Action of Gravity Field along on the lower surface of umbrella plate and the upper surface of subumbrella plate flow to uniformly edgeAnd fall. Pass into after a period of time flow speed stability at base fluid, sand grains added from the top open part of tank body,Sand grains is opened and is slided to edge and fall by the upper surface of upper umbrella plate is dispersed, mixes with mobile base fluid. Due toThe dispersed effect of upper umbrella plate and subumbrella plate, base fluid and sand grains can be uniform in the time that subumbrella panel edges fallsMix, and present uniform waterfall face shape below the edge of subumbrella plate. Compared to existing technology, the partyCase has improved the of the fracturing fluid uniformity greatly. This fracturing fluid, for fracturing technology, can be improved to pressure break matter greatlyAmount. Further, improve because above-mentioned principle makes the of the fracturing fluid uniformity, existing rabbling mechanism can be lowPower consumption operation or cancellation, therefore, greatly reduce equipment energy consumption.
The embodiment of the present invention also provides a kind of fracturing blender truck, comprises the mulling described in aforementioned arbitrary technical schemeTank. The fracturing fluid uniformity that this fracturing blender truck is produced is better, and this fracturing fluid is used for to fracturing technology, can be greatlyImprove pressure break quality, and the energy consumption of equipment is lower.
The embodiment of the present invention also provides a kind of fracturing unit truck group, comprises the fracturing blender truck described in aforementioned techniques scheme.Use this Frac unit in the time carrying out the gathering of crude oil, pressure break quality is higher, and energy consumption is lower.
Brief description of the drawings
Fig. 1 is the perspective view of existing mixing sand tank;
Fig. 2 is the perspective view of embodiment of the present invention mixing sand tank;
Fig. 3 a is tank body, the access tube configuration mode schematic perspective view of the embodiment of the present invention;
Fig. 3 b is tank body, the access tube configuration mode front view of the embodiment of the present invention;
Fig. 4 a is the main TV structure schematic diagram of upper umbrella plate of the embodiment of the present invention;
Fig. 4 b is the upper umbrella plate plan structure schematic diagram of the embodiment of the present invention;
Fig. 5 is upper umbrella plate, the subumbrella plate configuration mode schematic perspective view of the embodiment of the present invention;
Fig. 6 is upper umbrella plate, the subumbrella plate configuration mode front view of the embodiment of the present invention;
Fig. 7 is subumbrella plate, access tube, the ferrule configuration mode schematic perspective view of the embodiment of the present invention.
Reference numeral:
Prior art part:
100-mixing sand tank; 50-base fluid inlet; The outlet of 60-fracturing fluid; 70-agitator arm.
Embodiment of the present invention part:
200-mixing sand tank;
1-tank body;
3-access tube;
The upper umbrella plate of 4-;
5-subumbrella plate;
The import of 11-base fluid;
The outlet of 12-fracturing fluid;
41-fixed axis;
51-liquid outlet;
6-supporting plate;
7-gusset;
8-sleeve pipe;
80-agitator arm;
90-deflector.
Detailed description of the invention
In order to improve the of the fracturing fluid uniformity, improve pressure break quality, and reduce equipment energy consumption, the invention processExample provides a kind of mixing sand tank, fracturing blender truck and a kind of fracturing unit truck group. Below with specific embodiment also by reference to the accompanying drawingsDescribe the present invention in detail.
As shown in Figures 2 to 7, the mixing sand tank 200 that one embodiment of the invention provides, comprise tank body 1 andThe upper umbrella plate 4 and the subumbrella plate 5 that are configured in tank body 1 and are coaxially set, wherein:
The open top of tank body 1, bottom has base fluid import 11 and fracturing fluid outlet 12;
Upper umbrella plate 4 is fixedly connected with tank body 1;
Between subumbrella plate 5 and upper umbrella plate 4, there is gap, and center have liquid outlet 51, liquid outlet51 and base fluid import 11 between have for the mobile fluid passage of base fluid.
In the technical scheme of the embodiment of the present invention, upper umbrella plate 4 is not limit with the concrete fixed form of tank body 1,As shown in Figure 2, the top open part of tank body 1 is fixed with multiple supporting plates 6, and the top of upper umbrella plate 4 has solidDead axle 41, is connected with gusset 7 between fixed axis 41 and each supporting plate 6. As shown in Figure 2 and Figure 7, mixedSand tank also comprises access tube 3, and the liquid outlet 51 of subumbrella plate 5 is connected with a sleeve pipe 8, one end of access tube 3Be connected with the base fluid import 11 of tank body 1, the other end is connected with sleeve pipe 8, that is: pipe box 8 and access tube 3Form between liquid outlet 51 and base fluid import 11 for the mobile fluid passage of base fluid. The outer wall of pipe box 8 canBe connected with tank body 1 inwall by connecting plate (not shown), thereby realize subumbrella plate 5 and access tube 3Fixing in tank body 1.
As shown in Figure 2, the upper surface of upper umbrella plate 4 is positioned at the open-topped below of tank body 1, is convenient to like thisJia Sha mechanism adds sand from the top open part of tank body 1 in tank body 1. The concrete shape of upper umbrella plate and subumbrella plateDo not limit, as shown in Figure 6, preferred, upper umbrella plate 4 and subumbrella plate 5 are all conical surface shape.
Can be with reference to shown in Fig. 2, Fig. 6 and Fig. 7, the course of work of mixing sand tank that the embodiment of the present invention provides is:
Base fluid is continued to add from base fluid import 11, and due to the existence of inertial flow, base fluid can be from subumbrella plate 5Liquid outlet 51 go out, and after the lower surface of umbrella plate 4, scatter on impacting, edge under Action of Gravity Field afterwardsThe lower surface of umbrella plate 4 and the upper surface of subumbrella plate 5 flows to uniformly edge and falls.
Pass into after a period of time flow speed stability at base fluid, sand grains is added to sand from the top open part of tank body 1Grain is opened and is slided to edge and fall by the upper surface of upper umbrella plate 4 is dispersed, mixes with mobile base fluid. Due toThe dispersed effect of upper umbrella plate 4 and subumbrella plate 5, can when base fluid and sand grains fall at subumbrella plate 5 edgesMix uniformly, and present uniform waterfall face shape below the edge of subumbrella plate 5.
Can find out from said process, in this programme utilization, the architectural feature of umbrella plate 4 and subumbrella plate 5 makes base fluidMix uniformly with sand grains, greatly improved the of the fracturing fluid uniformity. This fracturing fluid is used for to fracturing technology,Can greatly improve pressure break quality.
As shown in Figure 2, in the scheme of the embodiment of the present invention, mixing sand tank also comprises the end that is disposed at tank body 1Portion space and the agitator arm 80 being coaxially set with subumbrella plate 5, agitator arm 80 can driven device (exampleAs hydraulic motor) drive and rotate. Because the structure of upper umbrella plate 4 and subumbrella plate 5 can make base fluid and sandGrain mixes comparatively uniformly, and therefore, rabbling mechanism can be with lower power consumption operation. Compared to existing technology,Present design greatly reduces equipment energy consumption.
As shown in Figure 2, in order further to strengthen the mixing effect of agitator arm 80, the inwall of tank body 1 alsoBe fixed with multiple deflectors 90, multiple deflectors 90 are along the circumferential array of tank body 1 inwall, and are positioned at stirringThe top of impeller 80. In the time that agitator arm 80 rotates, the liquid in tank body 1 is stirred impeller 80 and promotesCo-flow, because the liquid of deflector 90 flows has barrier effect, therefore can make in tank body 1Produce many little whirlpools, stir dead band thereby reduce, improve stirring efficiency, make base fluid and sand grains more evenMixing. The concrete shape of deflector 90 is not limit, preferred, adopts T-shaped deflector, T-shaped deflectorThe less one end of size be welded on the inwall of tank body 1.
The embodiment of the present invention also provides a kind of fracturing blender truck, comprises the mixing sand tank of aforementioned arbitrary embodiment. This is mixedThe fracturing fluid uniformity that sand car is produced is better, and this fracturing fluid, for fracturing technology, can be improved to pressure break greatlyQuality, and the energy consumption of equipment is lower.
The embodiment of the present invention also provides a kind of fracturing unit truck group, comprises the fracturing blender truck of previous embodiment. Fracturing unit truckGroup except comprising fracturing blender truck, also comprise lead delay unloading, measuring truck, sand tank car, cementing truck, liquid nitrogen car, liquidTank car, etc. Use this fracturing unit truck group in the time carrying out the gathering of crude oil, pressure break quality is higher, energy consumptionLower.
Obviously, those skilled in the art can carry out various changes and modification and not depart from this present inventionBright spirit and scope. Like this, if of the present invention these amendment and modification belong to the claims in the present invention andWithin the scope of its equivalent technologies, the present invention be also intended to comprise these change and modification interior.
Claims (10)
1. a mixing sand tank, is characterized in that, comprises tank body and is configured in tank body and is coaxially setUpper umbrella plate and subumbrella plate, wherein:
The open top of described tank body, bottom has base fluid import and fracturing fluid outlet;
Described upper umbrella plate is fixedly connected with tank body;
Between described subumbrella plate and described upper umbrella plate, there is gap, and the center of described subumbrella plate hasLiquid mouth, has between described liquid outlet and described base fluid import for the mobile fluid passage of base fluid.
2. mixing sand tank as claimed in claim 1, is characterized in that, the top open part of described tank body is solidSurely have multiple supporting plates, the top of described upper umbrella plate has fixed axis, between described fixed axis and each supporting plate, connectsBe connected to gusset.
3. mixing sand tank as claimed in claim 1, is characterized in that, also comprises access tube, described subumbrellaThe liquid outlet of plate is connected with a sleeve pipe, and the described base fluid import of one end of described access tube and described tank body connectsConnect, the other end is connected with described sleeve pipe.
4. mixing sand tank as claimed in claim 1, is characterized in that, also comprises: the end that is disposed at tank bodyPortion space and the agitator arm being coaxially set with subumbrella plate, described agitator arm can revolve in driven device drivingTurn.
5. mixing sand tank as claimed in claim 4, is characterized in that, also comprises: be fixed on inner tank wallMultiple deflectors, described multiple deflectors are along the circumferential array of inner tank wall, and are positioned at the upper of agitator armSide.
6. mixing sand tank as claimed in claim 5, is characterized in that, described deflector is T-shaped deflector,Less one end of size of described deflector is connected with the inwall of described tank body.
7. mixing sand tank as claimed in claim 1, is characterized in that, the upper surface of described upper umbrella plate is positioned atThe open-topped below of described tank body.
8. mixing sand tank as claimed in claim 1, is characterized in that, described upper umbrella plate and/or described subumbrellaPlate is conical surface shape.
9. a fracturing blender truck, is characterized in that, comprises the mixing sand tank as described in claim 1～8 any one.
10. a fracturing unit truck group, is characterized in that, comprises fracturing blender truck as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850892.4A CN104587868B (en) | 2014-12-29 | 2014-12-29 | A kind of mixing sand tank, fracturing blender truck and fracturing unit truck group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410850892.4A CN104587868B (en) | 2014-12-29 | 2014-12-29 | A kind of mixing sand tank, fracturing blender truck and fracturing unit truck group |
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| Publication Number | Publication Date |
|---|---|
| CN104587868A CN104587868A (en) | 2015-05-06 |
| CN104587868B true CN104587868B (en) | 2016-05-04 |
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| CN201410850892.4A Active CN104587868B (en) | 2014-12-29 | 2014-12-29 | A kind of mixing sand tank, fracturing blender truck and fracturing unit truck group |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108397180A (en) * | 2018-04-02 | 2018-08-14 | 中煤科工集团西安研究院有限公司 | Underground coal mine hydraulic fracturing high pressure sealing continuously adds aggregate system and method |
| CN112191183B (en) * | 2020-09-17 | 2023-03-17 | 中油国家油气钻井装备工程技术研究中心有限公司 | A blending tank for fracturing sand mixing equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB1498378A (en) * | 1976-06-26 | 1978-01-18 | Duscon Ind Serv Ltd | Wet scrubber |
| CN1939581B (en) * | 2005-09-30 | 2010-09-08 | 株式会社粉研宝泰司 | Continuous power/liquid mixing apparatus |
| CN101298028B (en) * | 2008-01-10 | 2010-06-02 | 中国石化集团江汉石油管理局第四机械厂 | Mixed stirring device of acidizing substance |
| CN203874682U (en) * | 2014-05-07 | 2014-10-15 | 三一重型能源装备有限公司 | Mixing tank device and mixing discharge system |
| CN203874706U (en) * | 2014-05-07 | 2014-10-15 | 三一重型能源装备有限公司 | Agitation tank device and oilfield fracturing and mulling equipment |
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