CN103223315B - Solid-liquid mixing device - Google Patents
Solid-liquid mixing device Download PDFInfo
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- CN103223315B CN103223315B CN201310165166.4A CN201310165166A CN103223315B CN 103223315 B CN103223315 B CN 103223315B CN 201310165166 A CN201310165166 A CN 201310165166A CN 103223315 B CN103223315 B CN 103223315B
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- 239000007788 liquid Substances 0.000 title claims abstract description 89
- 238000002156 mixing Methods 0.000 title claims abstract description 52
- 239000007787 solid Substances 0.000 claims abstract description 78
- 239000012530 fluid Substances 0.000 claims abstract description 57
- 239000002245 particle Substances 0.000 claims abstract description 24
- 239000000203 mixture Substances 0.000 claims description 78
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 11
- 239000007789 gas Substances 0.000 description 10
- 239000000463 material Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- ATUOYWHBWRKTHZ-UHFFFAOYSA-N Propane Chemical compound CCC ATUOYWHBWRKTHZ-UHFFFAOYSA-N 0.000 description 2
- 238000009795 derivation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 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
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000003915 liquefied petroleum gas Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000001294 propane Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Abstract
The invention provides a solid-liquid mixing device which is used for mixing a fracturing fluid. The solid-liquid mixing device contains a low-temperature and pressure resistant enclosed mixing container, a solid introducing port which is arranged on the mixing container and used for introducing solid particles of the fracturing fluid into an inner chamber of the mixing container, a liquid introducing port which is disposed on the mixing container and used for introducing a base solution of the fracturing fluid into the inner chamber, and a solid-liquid outlet which is arranged on the mixing container and used for exporting the fracturing fluid out of the inner chamber. According to the solid-liquid mixing device provided by the invention, by the adoption of the low-temperature and pressure resistant enclosed mixing container, the solid-liquid mixing device can meet mixing requirements for low temperature under pressure; and as the mixing container is respectively provided with the solid introducing port, the liquid introducing port and the solid-liquid outlet, the process of putting the solid particles and the base solution into the mixing container and the process of exporting the fracturing fluid out of the mixing container will not interfere with each other, and mixing of the fracturing fluid can be continuously carried out.
Description
Technical field
The present invention relates to petroleum chemical industry solid-liquid mixed technology field, more particularly, relate to a kind of solid and liquid blending device.
Background technology
Oil, gas well are in formation testing or production process, because near wellbore zone has pollution (drilling well, cement the well, wash Well Killing Process and all can pollute) or the low reason of stratum original permeability that oil, gas well yield can be caused lower, and this problem can be solved by fracturing technique.
Fracturing technique refers in oil recovery or gas recovery, utilize fluid pressure effect, the reservoir of oil, gas is made to form a kind of method in crack, its concrete operations are the liquid (i.e. fracturing fluid) that will have certain viscosity, inject to reservoir with the pressure of the absorbability being greater than reservoir, make reservoir form crack, and then reach the object of increasing yield and injection.Wherein, fracturing fluid is formed by the liquid (being commonly referred to as base fluid) as solvent and solid particle (as the quartz sand etc.) mixture as solute.
In the prior art, fracturing fluid carries out mixed preparing by solid-liquid mixing device, solid-liquid mixing device is in the market generally open mixture, namely the mixture tank of solid-liquid mixing device is open by design, its specific operation process first adds in mixture tank according to proportioning by required material, then by the agitator of solid-liquid mixing device, mixture is stirred, fracturing fluid mixture completed again takes out in mixture tank, then carries out repeating to obtain fracturing fluid according to above-mentioned steps in batches.
The solid-liquid mixing device of this kind of structure, be only applicable to liquid and the solid of mixture normal temperature and pressure, it cannot meet low temperature mixture requirement with pressure, thus cannot mixture take liquid gas as the fracturing fluid of base fluid, such as solid particle and liquid carbon dioxide or liquefied petroleum gas (propane) mixture and the fracturing fluid formed, and this kind of blending device repeats in mixture tank, and it cannot carry out continuous mixture.
Therefore, how to provide a kind of solid and liquid blending device, continuous mixture can be carried out to the fracturing fluid taking liquid gas as base fluid, be current those skilled in the art's problem demanding prompt solution.
Summary of the invention
In view of this, the invention provides a kind of solid and liquid blending device, it can carry out continuous mixture to the fracturing fluid taking liquid gas as base fluid.
In order to achieve the above object, the invention provides following technical scheme:
A kind of solid and liquid blending device, for mixture fracturing fluid, it comprises:
The airtight mixture container of low temperature resistant, pressure, described mixture container is straight tube, and two of described straight tube ports are respectively liquid inlet port and solid-liquid export mouth;
Be arranged on described mixture container described of the fracturing fluid solid particle to be imported the solid introducing port of the inner chamber of described mixture container, described solid introducing port is multiple, and solid introducing port described in each is all by a seal channel and described inner space, multiple described seal channel is symmetrical arranged about described straight tube, and between symmetrical two described seal channels, formed angle is less than 120 degree;
Be arranged on described mixture container described of the fracturing fluid base fluid to be imported the liquid inlet port of described inner chamber;
Be arranged on described mixture container described fracturing fluid to be derived the solid-liquid export mouth of described inner chamber.
Preferably, in above-mentioned solid and liquid blending device, each described seal channel is provided with the drive unit driving the solid particle in described seal channel to enter described inner chamber.
Preferably, in above-mentioned solid and liquid blending device, the junction of described drive unit and described seal channel is provided with sealing ring.
Preferably, in above-mentioned solid and liquid blending device, described solid introducing port, described liquid inlet port and described solid-liquid export mouth are provided with adpting flange.
Preferably, in above-mentioned solid and liquid blending device, described mixture container, described seal channel, described drive unit and described adpting flange are respectively alloy steel container, steel alloy passage, steel alloy drive unit and steel alloy flange.
In solid and liquid blending device provided by the invention, mixture container can low temperature resistant, pressure (comprising high pressure and low pressure).Mixture container is operated; its inner chamber is made to remain the environment of low-temp. low-voltage power; then respectively of the fracturing fluid for configuration solid particle and base fluid continuous print are imported in inner chamber by the solid introducing port on mixture container and liquid inlet port; because in inner chamber be low-temp. low-voltage force environment; so after liquid gas enters into inner chamber; still can remain liquid condition, and then become fracturing fluid with solid particle mixture, the fracturing fluid of mixture is finally derived continuously from the solid-liquid export mouth of mixture container.Solid and liquid blending device provided by the invention, by adopting airtight mixture container that is low temperature resistant, pressure, make it can adapt to low temperature mixture requirement with pressure, and on mixture container, be provided with solid introducing port, liquid inlet port and solid-liquid export mouth respectively, make solid particle, base fluid enters mixture container and the process of fracturing fluid derivation mixture container does not interfere with each other, and of the fracturing fluid mixture can be carried out continuously.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the solid and liquid blending device that Fig. 1 provides for the embodiment of the present invention.
In upper Fig. 1:
Solid introducing port 1, seal channel 2, drive unit 3, liquid inlet port 4, mixture container 5, solid-liquid export mouth 6, adpting flange 7.
Detailed description of the invention
The invention provides a kind of solid and liquid blending device, it can carry out continuous mixture to the fracturing fluid taking liquid gas as base fluid.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the solid and liquid blending device that the embodiment of the present invention provides, for mixture fracturing fluid, it comprises:
The airtight mixture container 5 of low temperature resistant, pressure (comprising high pressure and low pressure), the of the fracturing fluid solid particle of mixture and base fluid complete the operation of mixture in the inner chamber of this mixture container 5;
Be arranged on mixture container 5 of the fracturing fluid solid particle to be imported the solid introducing port 1 of the inner chamber of mixture container 5;
Be arranged on mixture container 5 of the fracturing fluid base fluid to be imported the liquid inlet port 4 of inner chamber;
Be arranged on mixture container 5 fracturing fluid to be derived the solid-liquid export mouth 6 of inner chamber.
In solid and liquid blending device provided by the invention, mixture container 5 can be low temperature resistant, pressure, mixture container 5 is operated, its inner chamber is made to remain low temperature, the environment of pressure, then respectively of the fracturing fluid for configuration solid particle and base fluid continuous print are imported in inner chamber by the solid introducing port 1 on mixture container 5 and liquid inlet port 4, because in inner chamber be low temperature, pressure environment, so after liquid gas enters into inner chamber, still liquid condition can be remained, and then become fracturing fluid with solid particle mixture, the fracturing fluid of mixture is finally derived continuously from the solid-liquid export mouth 6 of mixture container 5.
Solid and liquid blending device provided by the invention, by adopting airtight mixture container 5 that is low temperature resistant, pressure, make it can adapt to low temperature mixture requirement with pressure, and on mixture container 5, be provided with solid introducing port 1, liquid inlet port 4 and solid-liquid export mouth 6 respectively, make solid particle, base fluid enters mixture container 5 and the process of fracturing fluid derivation mixture container 5 does not interfere with each other, and of the fracturing fluid mixture can be carried out continuously.
In order to optimize technique scheme further, in the solid and liquid blending device that the present embodiment provides, solid introducing port 1 is multiple, and each solid introducing port 1 is all by a seal channel 2 and inner space.Concrete, present embodiments provide a kind of solid and liquid blending device as shown in Figure 1, in this device, solid introducing port 1 is two, its opening direction is straight up, and two solid introducing ports 1 are separately positioned on two with on the seal channel 2 of the inner chamber conducting of mixture container 5, solid particle enters from solid introducing port 1, is then entered into the inner chamber of mixture container 5 by seal channel 2.Certainly, above-mentioned set-up mode is only optimal technical scheme, under the prerequisite that the solid and liquid blending device not affecting the present embodiment and provide normally works, solid introducing port 1 can also by being set directly on mixture container 5 and other mode realizes solid particle to import the technical purpose of inner chamber.
Preferably, mixture container 5 is straight tube, and the two ends of straight tube are respectively liquid inlet port 4 and solid-liquid export mouth 6, as shown in Figure 1.In the present embodiment, in order to reduce the volume of solid and liquid blending device, minimizing takes up room, better to coordinate with other solid-liquid mixing devices, the present embodiment selects straight-run of pipe as mixture container 5, and two of this straight tube ports are respectively the liquid inlet port 4 importing base fluid and the solid-liquid export mouth 6 of being derived by the fracturing fluid of mixture, preferably, the port close with solid introducing port 1 is liquid inlet port 4, and another port is solid-liquid export mouth 6.In addition, straight tube is selected also can to reduce the difficulty of processing of the solid and liquid blending device that the present embodiment provides as mixture container 5, simplified processing process.
Concrete, each seal channel 2 is provided with the drive unit 3 driving the solid particle in seal channel 2 to enter inner chamber.Solid particle can enter into by the weight of self solid introducing port 1 that opening arranges straight up and then enter into seal channel 2, because multiple seal channel 2 is arranged in same plane with straight tube, if make solid particle enter into inner chamber more smoothly in horizontally disposed seal channel 2, need to arrange on each seal channel 2 drive unit 3 driving the push mechanism solid particle promoted in seal channel 2 to enter inner chamber, this drive unit 3 can be the equipment such as hydraulic motor, cylinder or motor.
Further, multiple seal channel 2 is symmetrical arranged about straight tube, and between symmetrical two seal channels 2, formed angle is less than 120 degree.Multiple seal channel 2 is symmetrical arranged, the structure of the solid and liquid blending device that the present embodiment can be made to provide is more reasonable, various piece is stressed more balanced, and between symmetrical two seal channels 2, become to be less than the angle of 120 degree, can make to be arranged on the solid particle in the seal channel 2 in same plane with mixture container 5, closer to the base fluid tangentially entering into liquid inlet port 4 and import, advantageously in the even mixture of solid particle and base fluid.
In order to improve sealing effectiveness further, more to meet low temperature mixture requirement with pressure, drive unit 3 is provided with sealing ring with the junction of seal channel 2.
As shown in Figure 1, in order to better and miscellaneous part are connected, in the solid and liquid blending device that the present embodiment provides, solid introducing port 1, liquid inlet port 4 and solid-liquid export mouth 6 are provided with adpting flange 7.
Preferably, mixture container 5, seal channel 2, drive unit 3 and adpting flange 7 are respectively alloy steel container, steel alloy passage, steel alloy drive unit and steel alloy flange.The present embodiment is in order to improve working effect further, and mixture container 5, seal channel 2, drive unit 3 and adpting flange 7 all adopt low temperature material, and its concrete material can be the steel alloys such as Q345D.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (5)
1. a solid and liquid blending device, for mixture fracturing fluid, is characterized in that, comprising:
The airtight mixture container (5) of low temperature resistant, pressure, described mixture container (5) is straight tube, and two of described straight tube ports are respectively liquid inlet port (4) and solid-liquid export mouth (6);
Be arranged on described mixture container (5) described of the fracturing fluid solid particle to be imported the solid introducing port (1) of the inner chamber of described mixture container (5), described solid introducing port (1) is for multiple, and solid introducing port (1) described in each is all by a seal channel (2) and described inner space, multiple described seal channel (2) and described straight tube are arranged in same level, described seal channel (2) is symmetrical arranged about described straight tube in described horizontal plane, and formed angle is less than 120 degree between symmetrical two described seal channels (2),
Be arranged on described mixture container (5) described of the fracturing fluid base fluid to be imported the liquid inlet port (4) of described inner chamber;
Be arranged on described mixture container (5) described fracturing fluid to be derived the solid-liquid export mouth (6) of described inner chamber.
2. solid and liquid blending device according to claim 1, is characterized in that, each described seal channel (2) is provided with the drive unit (3) driving the solid particle in described seal channel (2) to enter described inner chamber.
3. solid and liquid blending device according to claim 2, is characterized in that, described drive unit (3) is provided with sealing ring with the junction of described seal channel (2).
4. solid and liquid blending device according to claim 2, is characterized in that, described solid introducing port (1), described liquid inlet port (4) and described solid-liquid export mouth (6) are provided with adpting flange (7).
5. solid and liquid blending device according to claim 4, it is characterized in that, described mixture container (5), described seal channel (2), described drive unit (3) and described adpting flange (7) are respectively alloy steel container, steel alloy passage, steel alloy drive unit and steel alloy flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310165166.4A CN103223315B (en) | 2013-05-07 | 2013-05-07 | Solid-liquid mixing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310165166.4A CN103223315B (en) | 2013-05-07 | 2013-05-07 | Solid-liquid mixing device |
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| CN103223315A CN103223315A (en) | 2013-07-31 |
| CN103223315B true CN103223315B (en) | 2015-05-20 |
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