CN103721619A - Continuous fracturing fluid blending device - Google Patents
Continuous fracturing fluid blending device Download PDFInfo
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- CN103721619A CN103721619A CN201410008684.XA CN201410008684A CN103721619A CN 103721619 A CN103721619 A CN 103721619A CN 201410008684 A CN201410008684 A CN 201410008684A CN 103721619 A CN103721619 A CN 103721619A
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Abstract
The invention discloses a continuous fracturing fluid blending device. The blending device comprises a first mixing unit, a second mixing unit, a liquid additive supply unit and a third mixing unit, wherein the first mixing unit is used for mixing a thickening agent with water to obtain a first pre-mixed solution; the second mixing unit is used for mixing a solid additive with the water to obtain a second pre-mixed solution; the liquid additive supply unit is used for quantitatively supplying various liquid additives; the third mixing unit is connected with the first mixing unit, the second mixing unit and the liquid additive supply unit. By adopting the device, the thickening agent, a plurality of liquid additives and the solid additive can be added at the same time, so that the fracturing time and cost are saved; the continuous high-flow preparation of fracturing fluid is realized; the fracturing fluid is free from the phenomenon of 'powder in water', the solution viscosity rises quickly, and the uniform blending is realized.
Description
Technical field
The invention belongs to oil-gas field fracturing construction dosing technology field, be specifically related to a kind of New Fracturing Fluid continuous mixing device.
Background technology
At present, along with the continuous intensification of the oil field development degree of depth, part oil field has entered the middle and later periods, and need to pass through tertiary oil recovery is fracturing technique, realizes the increasing both production and income of petroleum resources.
After fracturing process need to mix the materials such as various chemical addition agents, thickening agent according to a certain percentage, the volume increase of oil gas is realized on injection stratum.Partial open process generally adopts in advance intermittently dosing method to realize of the fracturing fluid mixture at present, then by transportation tank car, fracturing fluid is transported to fracturing work scene.Which not only causes fracturing fluid cost of transportation high, and pressing crack construction accident is many, very easily causes of the fracturing fluid waste, further increases pressure break cost.
Halliburton (Halliburton) company and Schlumberger (Schlumberger) company that are all oilfield services provider develop respectively dissimilar fracturing fluid continuous mixing device, but, they are only suitable for the conveying of concentrate, be not suitable for some areas, for example the practical application of China.Given this, four Ji Saiwa companies of China develop a kind of continuous mixing device that can realize pigment mixing, but there is specific (special) requirements this unit to thickening agent guar gum powder.In addition, its same car that can't realize all additives adds, and dosing amount is less, can not meet extensive fracturing work requirement.
By above analysis, oil field compression fracture construction need to design one can meet all kinds of thickening agents interpolation uses, and can meet continuous liquid dispensing device and the method for the requirement of continuous large-scale fracturing work.
Summary of the invention
The object of the invention is to overcome the defect of prior art, a kind of fracturing fluid continuous mixing device is provided, this device can be suitable for the mixture of all types thickener, can add solid additive and other all kinds of liquid additives simultaneously, the fracturing fluid quality of preparation is high, can meet successive fracture treatment requirement.
To achieve these goals, the present invention has adopted following technical scheme:
A kind of fracturing fluid continuous mixing device, comprising:
The first mixed cell, for mixing thickener and water to obtain the first premixed solution (being thickener premixed solution);
The second mixed cell, for hybrid solid additive and water to obtain the second premixed solution (being solid additive premixed solution);
Liquid additive feed unit, for the various liquid additives of weight feed;
The 3rd mixed cell, be connected with the first mixed cell, the second mixed cell and liquid additive feed unit, for mix from the first premixed solution of described the first mixed cell, from described the second mixed cell second pre-miscible and from the various liquid additives of described liquid additive feed unit to obtain fracturing fluid.
In above-mentioned fracturing fluid continuous mixing device, as a kind of preferred embodiment, this device also comprises:
Thickener metering units, is connected with described the first mixed cell, for quantitatively carrying thickener to described the first mixed cell;
Solid additive metering units, is connected with described the second mixed cell, for extremely described the second mixed cell of quantitative conveying solid substance additive;
Thickener automatic charging unit, is connected with described thickener metering units, with from thickener metering units material loading described in trend;
Solid additive automatic charging unit, is connected with described solid additive metering units, with from solid additive metering units material loading described in trend;
Clear water feed unit, is connected with described the first mixed cell, described the second mixed cell, for extremely described the first mixed cell and described the second mixed cell of weight feed clear water.
In above-mentioned fracturing fluid continuous mixing device, as a kind of preferred embodiment, this device also comprises control module, at least be connected with thickener metering units, solid additive metering units, clear water feed unit and liquid additive feed unit, thereby control for reading thickener metering units thickener flow the flow that clear water feed unit supplies water to described the first mixed cell; Thereby control for reading solid additive metering units solid additive flow the flow that clear water feed unit supplies water to described the second mixed cell; Control adding proportion and the flow of various liquid additives in liquid additive feed unit.
In above-mentioned fracturing fluid continuous mixing device, as a kind of preferred embodiment, described clear water feed unit is also connected with described the 3rd mixed cell, with extremely described the 3rd mixed cell of weight feed clear water.
In above-mentioned fracturing fluid continuous mixing device, as a kind of preferred embodiment, this blending device also comprises: lotion unit automatically, is connected with described the 3rd mixed cell outlet; In described the 3rd mixed cell, be provided with liquid level monitoring device, described automatic lotion unit is according to the lotion amount of the automatic control fracturing liquid of the height of liquid level of described the 3rd mixed cell, exit, described automatic lotion unit is provided with online viscosity detecting device, for the of the fracturing fluid viscosity number of moment detection mixture.
In above-mentioned fracturing fluid continuous mixing device, as a kind of preferred embodiment, described thickener metering units, solid additive metering units, thickener automatic charging unit, solid additive automatic charging unit, liquid additive feed unit, clear water feed unit, the first mixed cell, the second mixed cell, the 3rd mixed cell and control module are installed at least one transport carrier.More preferably, described transport carrier is flat bed trailer.
In above-mentioned fracturing fluid continuous mixing device, as a kind of preferred embodiment, described liquid additive feed unit comprises: N air driven pump, a N surge tank and N self priming pump; A described N air driven pump, for delivery of N kind liquid additive in surge tank separately; A described N surge tank, for the temporary transient N kind liquid additive that stores; A described N self priming pump, is respectively used to the N kind liquid additive in N surge tank to pump in described the 3rd mixed cell; Wherein, N is more than or equal to 1 integer.
In above-mentioned fracturing fluid continuous mixing device, as a kind of preferred embodiment, described clear water feed unit comprises: the first water pump, for supplying water to described the first mixed cell; First flow meter, the flow supplying water for monitoring described the first water pump, and be connected with described control module; First flow control valve, for regulating the flow of described the first water pump, described control module, according to the feedback result of thickener metering units and first flow meter, is controlled the flow of described the first water pump by described first flow control valve; The second water pump, for supplying water to described the second mixed cell; The second flowmeter, the flow supplying water for monitoring described the second water pump, and be connected with described control module; With second adjustable valve, for regulating the flow of described the second water pump, described control module, according to the feedback result of solid additive metering units and the second flowmeter, is controlled the flow of described the second water pump by described second adjustable valve; And the 3rd water pump, for supplying water to described the 3rd mixed cell.
In above-mentioned fracturing fluid continuous mixing device, as a kind of preferred embodiment, described control module is PLC(programmable logic controller (PLC)), described control module is also controlled the first mixed cell, the second mixed cell and supplies with to the 3rd mixed cell the flow of solution.
In above-mentioned fracturing fluid continuous mixing device, described the 3rd mixed cell can be this area conventional liq blender, as a kind of preferred embodiment, described the 3rd mixed cell comprises: preliminary mixed pipe line, with described the first mixed cell, described the second mixed cell, described liquid additive feed unit is connected with described clear water feed unit, for receive and the preliminary thickener premixed solution mixing from described the first mixed cell simultaneously, from the solid additive premixed solution of the second mixed cell, from the various liquid additives of described liquid additive feed unit and from the clear water of described clear water feed unit, and blending tank, be connected with described preliminary mixed pipe line outlet, for receiving and fully mixing the mixed liquor from described preliminary mixed pipe line.More preferably, described blending tank comprises: tank body, and inside is provided with cavity; Multiple dividing plates, parallel and be located at vertically in the described cavity of described tank interior, and the height of described dividing plate is less than the internal height (being the vertical range between opposing sidewalls) of described cavity, the top and bottom of adjacent described dividing plate are individually fixed on the sidewall of described cavity, with between the free end at described dividing plate and the sidewall of described cavity, form a fluid passage between adjacent described dividing plate.Preferably, described blending tank also comprises: baffle plate, and the side of described dividing plate is fixed in one end, and the other end is downward-sloping and keep at a distance with dividing plate described in adjacent another.More preferably, in the bottom of described blending tank, be provided with the through hole that is communicated with described tank body outside, to avoid liquid residue to use in described tank interior or clear tank.
In above-mentioned fracturing fluid continuous mixing device, described thickener is one or more in guar gum, HPG, CMHPG, polyacrylamide, type methylene polyacrylamide, Sodium Polyacrylate, sesbania gum, fenugreek gum, konjac glucomannan, carboxymethyl cellulose, hydroxyethylcellulose and carboxymethyl hydroxyethyl cellulose.; Described solid additive is one or more in sodium chloride, potassium chloride, ammonium chloride, calcium chloride, magnesium chloride, citric acid, sodium hydrogensulfite, sodium acid carbonate, sodium carbonate, NaOH and sodium thiosulfate.Described various liquid chemical additive comprises bactericide, cleanup additive, clay stabilizer, temperature stability agent, demulsifier and PH conditioning agent; Preferably, the total addition level of described various liquid chemical additives accounts for the 0.01%-20% of described fracturing fluid gross mass; Described bactericide is one or more in glutaraldehyde, chlorobenzene oxide and season ammoniate; Described clay stabilizer is inorganic salts clay stabilizer, more preferably one or more in sodium chloride, potassium chloride, ammonium chloride, calcium chloride and magnesium chloride; Described temperature stability agent is one or more in sodium thiosulfate, sodium hydrogensulfite and triethanolamine; Described PH conditioning agent is one or more in acetic acid, citric acid, sodium hydrogensulfite, fumaric acid, sulfamic acid, hydrochloric acid, nitric acid, sodium dihydrogen phosphate two water, sodium acid carbonate, sodium carbonate, NaOH, potash and magnesia.
Compared with prior art, the present invention has following beneficial effect:
(1) realization that solid additive adds with car, has solved the batch (-type) dosing method of in the past first joining solid additive solution, has broken through the present situation that existing equipment cannot add solid additive.
(2) design of high-efficiency mixing tank, be applicable to all types thickener soln such as former powder, modification, various types of thickeners such as instant, applied range, has broken through the use boundary of macromolecular compound material, and can prepare large flow fracturing fluid, realized carrying out continuously of fracturing work.
(3) preparation of thickener premixed solution and solid additive premixed solution, and the same car of liquid chemical additive adds simultaneously, not only on compounding method, realized the breakthrough of matter, and this compounding method is applicable to various materials, greatly reduces fracturing work cost.
Fracturing fluid continuous mixing device, as the important ground corollary equipment of pressing crack construction, has important effect and wide application prospect.Thickener is the realization with car charging and efficient hybrid technology of macromolecular compound material, multiple additives, has saved pressure break time and cost; Of the fracturing fluid continuous, large flow is prepared completely, has promoted fracturing work quality level; The integral layout of skid-mounted, meets field work operating mode demand, is specially adapted to transportation inconvenience, the uneven area of physical features, applied range.The fracturing fluid of preparation is without " water bag powder " phenomenon continuously, and solution viscosity rises soon, mixture is even, and fracturing fluid quality is high.
Accompanying drawing explanation
Fig. 1 is fracturing fluid continuous mixing device schematic diagram of the present invention;
Fig. 2 is the structural representation of blending tank of the present invention.
Wherein, description of reference numerals is as follows: 1-control module; 2-the second mixed cell; 3-the first mixed cell; 4-the 3rd mixed cell; 40-blending tank; Tank body-41; The import of 42-blending tank; The outlet of 43-blending tank; Dividing plate-44; Baffle plate-45; Gap between 401-adjacent separator; 402-opening; 403-through hole; The automatic lotion of 5-unit; 6-solid additive automatic charging unit; 7-thickener automatic charging unit; 8-thickener metering units; 9-solid additive metering units; 10-clear water feed unit; 11-liquid additive feed unit.
The specific embodiment
For making the object, technical solutions and advantages of the present invention clearer, below embodiment of the present invention is described further in detail.
Referring to Fig. 1, its schematic diagram that is fracturing fluid continuous mixing device of the present invention, comprising: two automatic charging unit (thickener automatic charging unit 7 and solid additive automatic charging unit 6), thickener metering units 8, solid additive metering units 9, liquid additive feed unit 11, clear water feed unit 10, the first mixed cell 3, the second mixed cell 2, the 3rd mixed cell 4, control module 1, automatic lotion unit 5.Thickener metering units 8, solid additive metering units 9, thickener automatic charging unit 7, solid additive automatic charging unit 6, liquid additive feed unit 11, clear water feed unit 10, the first mixed cell 3, the second mixed cell 2, the 3rd mixed cell 4 and control module 1 can be installed on a flat bed trailer.Below above-mentioned parts are described one by one.
Thickener automatic charging unit 7, is connected with thickener metering units, with from trend thickener metering units 8 material loadings; Solid additive automatic charging unit 6, is connected with solid additive metering units 9, with from trend solid additive metering units 9 material loadings.It can be also different structure that thickener automatic charging unit 7 can have same structure with solid additive automatic charging unit 6, and it can complete with this area conventional equipment, as long as can realize automatic charging.
Thickener metering units 8, is connected with the first mixed cell 3, and the thickener of thickener automatic charging unit 7 is flowed to the first mixed cell 3 with regulation flow and flow velocity; Solid additive metering units 9, is connected with the second mixed cell 2, and the solid additive from solid additive automatic charging unit 6 is flowed to the second mixed cell 2 with flow and the flow velocity of regulation.It can be also different structure that thickener metering units 8 and solid additive metering units 9 can have same structure, and it can complete with this area conventional equipment, as long as can realize the convey materials of quantitative constant speed.
Clear water feed unit 10, be connected with the first mixed cell 3, for quantitatively supplying with clear water to the first mixed cell 3, so that clear water and thickener all can mix according to the specified ratio within each unit interval (such as 1s), that is to say when adding thickener to the first mixed cell 3, guarantee clear water in accordance with regulations flow be also added in the first mixed cell 3; Be connected with the second mixed cell 2, for quantitatively supplying with clear water to the second mixed cell 2, so that clear water and solid additive all can mix according to the specified ratio within each unit interval (such as 1s), that is to say when adding solid additive to the second mixed cell 2, guarantee clear water in accordance with regulations flow be also added in the second mixed cell 2; Be connected with the 3rd mixed cell 4, for quantitatively supplying with clear water to the 3rd mixed cell 4.Particularly, in this embodiment, clear water feed unit 10 comprises: the first water pump, for supplying water to the first mixed cell 3; First flow meter, the flow supplying water for monitoring the first water pump, and be connected with control module 1; First flow control valve, for regulating the flow of the first water pump, control module 1, according to the feedback result of thickener metering units 8 and first flow meter, is controlled the flow of the first water pump by first flow control valve; The second water pump, for supplying water to the second mixed cell 2; The second flowmeter, the flow supplying water for monitoring the second water pump, and be connected with control module 1; With second adjustable valve, for regulating the flow of the second water pump, control module 1, according to the feedback result of solid additive metering units 9 and the second flowmeter, is controlled the flow of the second water pump by second adjustable valve; And the 3rd water pump, for supplying water to the 3rd mixed cell 4.
The first mixed cell 3, be connected with the outlet of thickener metering units 8 and the first exit of pump of clear water feed unit 10 respectively, for receiving from the thickener of thickener metering units 8 with from the clear water of the first water pump and by the two, carry out fully mixing to obtain thickener premixed solution; Particularly, in this embodiment, the first mixed cell 3 is the conventional Water powdery mixer in this area, and it completes mixing of water and thickener by churned mechanically mode.
The second mixed cell 2, be connected with the outlet of solid additive metering units 9 and the second exit of pump of clear water feed unit 10 respectively, for receiving from the solid additive of solid additive metering units 9 with from the clear water of the second water pump and by the two, carry out fully mixing to obtain solid additive premixed solution.This blender can be the conventional blending tank in this area, and it completes fully mixing of water and solid additive by churned mechanically mode.
Liquid additive feed unit 11, for quantitatively supplying with various liquid additives to the 3rd mixed cell 4; Particularly, in this embodiment, liquid additive has adopted bactericide, cleanup additive, clay stabilizer and blowing agent, bacteriostatic agent, and liquid additive feed unit comprises: 5 air driven pumps, 5 surge tanks and 5 self priming pumps.5 air driven pumps, are respectively used to carry barreled bactericide, cleanup additive, clay stabilizer and blowing agent, bacteriostatic agent, to surge tank separately; 5 surge tanks, for more than temporary transient storage 5 kinds of liquid additives; 5 self priming pumps, for pumping into the 3rd mixed cell 4 by above-mentioned 5 kinds of liquid additives.
The 3rd mixed cell 4, be connected with the first mixed cell 3, the second mixed cell 2, clear water feed unit 10 and liquid additive feed unit 11 respectively, for receive from the thickener premixed solution of the first mixed cell 3, from the solid additive premixed solution of the second mixed cell 2, from the clear water of clear water feed unit 10 and from the various liquid additives of liquid additive feed unit 11 and it is fully mixed to obtain fracturing fluid simultaneously.Particularly, in this embodiment, the 3rd mixed cell 4 comprises: the i.e. one section of common pipeline of preliminary mixed pipe line, be connected with the first mixed cell 3, the second mixed cell 2, liquid additive feed unit 11 and clear water feed unit 10, for receive and preliminary thickener premixed solution, solid additive premixed solution, various liquid additive and the clear water of mixing simultaneously; And blending tank, be connected with the outlet of preliminary mixed pipe line, for receiving and fully mixing the mixed liquor from preliminary mixed pipe line.Preferably, blending tank comprises: tank body 41, multiple dividing plate 44, multiple baffle plate 45.Tank body 41 is hollow structure, and inside is a cavity, and this cavity is by the import 42 for infusion fluid, connect for the outlet 43 of output liquid, and as shown in Figure 2, arrow has represented the flow direction of liquid.Dividing plate 44 is parallel and be located at vertically in the cavity of tank body 41 inside, and the height of each dividing plate 44 is all less than the internal height of cavity, makes to form between one end of dividing plate 44 and the sidewall of cavity an opening 402.The top and bottom of adjacent separator 44 are individually fixed on the sidewall of cavity.The side of dividing plate 44 is fixed in baffle plate 45 one end, and the other end is downward-sloping and keep at a distance with another adjacent dividing plate 44.Like this, gap 401, outlet 43 between import 42, opening 402, adjacent separator 44 have just formed a fluid passage.Preferably, in the bottom of fluid passage, be that the bottom of tank body 41 is provided with the through hole 403 that is communicated with tank body 41 outsides, to avoid liquid residue to use in the inner or clear tank of tank body 41.
Particularly, blending tank is that the mixed liquor tentatively mixing is carried out fully mixing to obtain the second best in quality fracturing fluid, then through lotion pump, outputs to lotion manifold, and lotion manifold can directly be squeezed into fracturing blender truck, realizes dosing mulling completely continuously.In blending tank, mixed liquor enters tank body 41 inside by the import 42 of bottom, and via opening 402, enters the gap 401 two-layer baffle plate 45 of backward lower process and change the flow direction twice, and then repeats to go out tank after this process the fracturing fluid that obtains mixing.
Automatically lotion unit 5, is connected with the 3rd mixed cell 4; In the 3rd mixed cell 4, be provided with liquid level monitoring device, lotion unit 5 can be according to the lotion amount of the automatic control fracturing liquid of the height of liquid level of the 3rd mixed cell 4 automatically.Particularly, in this embodiment, automatically lotion unit comprises lotion pump, is arranged at flowmeter, automatic regulating valve and online viscosity detecting device on lotion pump discharge lotion manifold, lotion pump is used for the fracturing fluid after mixture to pump the 3rd mixed cell 4, flowmeter metering fracturing fluid lotion amount, according to the height of liquid level of liquid level monitoring device monitoring in flow mixer, regulate automatic regulating valve aperture, thereby guarantee fracturing fluid lotion speed and lotion amount; Online viscosity detecting device can detect the of the fracturing fluid viscosity number of mixture the moment.
The operation principle of blending device of the present invention is as follows:
Thickener is delivered in thickener metering units through thickener automatic charging unit, then thickener metering units is by the feeding of the quantitative constant speed of thickener the first mixed cell, for water unit, to the first mixed cell, supply water simultaneously, control module PLC reads thickener flow and by first flow control valve control outside, is the flow of the first water pump of clear water feed unit according to the first flow meter result of clear water feed unit, so that thickener and clear water all mix by appointment proportioning within each unit interval of whole mixed process, the thickener of quantitative proportioning and water fully mix through the first mixed cell, obtain thickener premixed solution.Now, also carry out the preparation of solid additive premixed solution, by solid additive automatic charging unit, solid additive is delivered in solid additive metering units, then solid additive metering units is by the feeding of the quantitative constant speed of solid additive the second mixed cell, for water unit, to the second mixed cell, supply water simultaneously, control module PLC reads solid additive flow and by the second Flux Valve Control outside, is the flow of the second water pump of clear water feed unit according to the second flowmeter result of clear water feed unit, so that solid additive and clear water all mix by appointment proportioning within each unit interval of whole mixed process, the solid additive of quantitative proportioning and water fully mix through the second mixed cell, obtain solid additive premixed solution.All kinds of barreled liquid chemical addition agents, through all kinds of surge tanks of air driven pump suction, pump in the 3rd mixed cell through self priming pump separately; Simultaneously, thickener premixed solution, solid additive premixed solution and clear water pump in the 3rd mixed cell through each corresponding self priming pump, realize the abundant mixing of all fluids, the liquid level monitoring device arranging in the 3rd mixed cell is responsible for level monitoring height, when arriving specified altitude assignment, lotion unit is realized automatic lotion and is controlled lotion amount automatically.Device of the present invention can be realized all materials and add simultaneously, without successively prolongation order.
More than device realized of the fracturing fluid continuously, large flow prepares completely; The fracturing fluid of preparation is without " water bag powder " phenomenon continuously, and solution viscosity rises fast (more than in 3 minutes, fracturing fluid viscosity reaches 45 centipoises), evenly (fracturing fluid entirety viscosity is even, without lamination) of mixture, fracturing fluid quality high (being cross-linked).
On be only preferred embodiment of the present invention, in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (10)
1. a fracturing fluid continuous mixing device, is characterized in that, comprising:
The first mixed cell, for mixing thickener and water to obtain the first premixed solution;
The second mixed cell, for hybrid solid additive and water to obtain the second premixed solution;
Liquid additive feed unit, for the various liquid additives of weight feed;
The 3rd mixed cell, be connected with the first mixed cell, the second mixed cell and liquid additive feed unit, for mix from the first premixed solution of described the first mixed cell, from described the second mixed cell second pre-miscible and from the various liquid additives of described liquid additive feed unit to obtain fracturing fluid.
2. fracturing fluid continuous mixing device according to claim 1, is characterized in that, this device also comprises:
Thickener charging metering units, is connected with described the first mixed cell, for quantitatively carrying thickener to described the first mixed cell;
Solid additive metering units, is connected with described the second mixed cell, for extremely described the second mixed cell of quantitative conveying solid substance additive;
Thickener automatic charging unit, is connected with described thickener metering units, with from thickener metering units material loading described in trend;
Solid additive automatic charging unit, is connected with described solid additive metering units, with from solid additive metering units material loading described in trend;
Clear water feed unit, is connected with described the first mixed cell and described the second mixed cell, for extremely described the first mixed cell and described the second mixed cell of weight feed clear water.
3. fracturing fluid continuous mixing device according to claim 2, it is characterized in that, this device also comprises control module, at least be connected with thickener metering units, solid additive metering units, clear water feed unit and liquid additive feed unit, thereby control for reading thickener metering units thickener flow the flow that clear water feed unit supplies water to described the first mixed cell; Thereby control for reading solid additive metering units solid additive flow the flow that clear water feed unit supplies water to described the second mixed cell; Control adding proportion and the flow of various liquid additives in liquid additive feed unit.
4. fracturing fluid continuous mixing device according to claim 3, is characterized in that, described control module is PLC, and described control module is also controlled the first mixed cell, the second mixed cell and supply with to the 3rd mixed cell the flow of solution.
5. fracturing fluid continuous mixing device according to claim 2, is characterized in that, described clear water feed unit is also connected with described the 3rd mixed cell, with extremely described the 3rd mixed cell of weight feed clear water.
6. fracturing fluid continuous mixing device according to claim 2, it is characterized in that, described thickener metering units, solid additive metering units, thickener automatic charging unit, solid additive automatic charging unit, liquid additive feed unit, clear water feed unit, the first mixed cell, the second mixed cell, the 3rd mixed cell and control module are installed at least one transport carrier; Preferably, described transport carrier is flat bed trailer.
7. fracturing fluid continuous mixing device according to claim 1 and 2, is characterized in that, described liquid additive feed unit comprises: N air driven pump, a N surge tank and N self priming pump; A described N air driven pump, for delivery of N kind liquid additive in surge tank separately; A described N surge tank, for the temporary transient N kind liquid additive that stores; A described N self priming pump, is respectively used to the N kind liquid additive in N surge tank to pump in described the 3rd mixed cell; Wherein, N is more than or equal to 1 integer.
8. fracturing fluid continuous mixing device according to claim 2, is characterized in that, described clear water feed unit comprises: the first water pump, for supplying water to described the first mixed cell; First flow meter, the flow supplying water for monitoring described the first water pump, and be connected with described control module; First flow control valve, for regulating the flow of described the first water pump, described control module, according to the feedback result of thickener metering units and first flow meter, is controlled the flow of described the first water pump by described first flow control valve; The second water pump, for supplying water to described the second mixed cell; The second flowmeter, the flow supplying water for monitoring described the second water pump, and be connected with described control module; With second adjustable valve, for regulating the flow of described the second water pump, described control module, according to the feedback result of solid additive metering units and the second flowmeter, is controlled the flow of described the second water pump by described second adjustable valve; And the 3rd water pump, for supplying water to described the 3rd mixed cell.
9. fracturing fluid continuous mixing device according to claim 2, it is characterized in that, described the 3rd mixed cell comprises: preliminary mixed pipe line, be connected with described the first mixed cell, described the second mixed cell, described liquid additive feed unit and described clear water feed unit, for receive and preliminary mixing from the thickener premixed solution of described the first mixed cell, from the solid additive premixed solution of the second mixed cell, from the various liquid additives of described liquid additive feed unit and from the clear water of described clear water feed unit simultaneously; And blending tank, be connected with described preliminary mixed pipe line outlet, for receiving and fully mixing the mixed liquor from described preliminary mixed pipe line; Preferably, described blending tank comprises: tank body, and inside is provided with cavity; Multiple dividing plates, parallel and be located at vertically in the described cavity of described tank interior, and the height of described dividing plate is less than the internal height of described cavity, the top and bottom of adjacent described dividing plate are individually fixed on the sidewall of described cavity, with between the free end at described dividing plate and the sidewall of described cavity, form a fluid passage between adjacent described dividing plate; More preferably, described blending tank also comprises: baffle plate, and the side of described dividing plate is fixed in one end, and the other end is downward-sloping and keep at a distance with dividing plate described in adjacent another.
10. fracturing fluid continuous mixing device according to claim 1, is characterized in that, this blending device also comprises: lotion unit automatically, is connected with described the 3rd mixed cell outlet; In described the 3rd mixed cell, be provided with liquid level monitoring device, described automatic lotion unit is according to the lotion amount of the automatic control fracturing liquid of the height of liquid level of described the 3rd mixed cell, exit, described automatic lotion unit is provided with online viscosity detecting device, for the of the fracturing fluid viscosity number of moment detection mixture.
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| CN104147951A (en) * | 2014-07-23 | 2014-11-19 | 中国石油集团渤海钻探工程有限公司 | Continuous fracturing fluid blending method and continuous fracturing fluid blending equipment for hydraulic fracturing |
| CN104196514A (en) * | 2014-09-02 | 2014-12-10 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Ready-to-use device for acid fracturing fluid |
| CN105080412A (en) * | 2014-05-22 | 2015-11-25 | 北京神州卓越石油科技有限公司 | Automatic continuous blending apparatus for fracturing fluid |
| CN105126669A (en) * | 2015-08-19 | 2015-12-09 | 中国石油集团渤海钻探工程有限公司 | System for realizing continuous mixing by utilizing liquid-state guar gum and mixing technology thereof |
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| CN107120103A (en) * | 2017-05-17 | 2017-09-01 | 成都百联油田技术服务有限公司 | A kind of fracture acidizing cleanup additive |
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| US11453146B2 (en) | 2014-02-27 | 2022-09-27 | Schlumberger Technology Corporation | Hydration systems and methods |
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| CN104196514A (en) * | 2014-09-02 | 2014-12-10 | 中国石油集团川庆钻探工程有限公司长庆井下技术作业公司 | Ready-to-use device for acid fracturing fluid |
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| CN105126669A (en) * | 2015-08-19 | 2015-12-09 | 中国石油集团渤海钻探工程有限公司 | System for realizing continuous mixing by utilizing liquid-state guar gum and mixing technology thereof |
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| CN107120103A (en) * | 2017-05-17 | 2017-09-01 | 成都百联油田技术服务有限公司 | A kind of fracture acidizing cleanup additive |
| CN112755892A (en) * | 2020-12-16 | 2021-05-07 | 成都劳恩普斯科技有限公司 | System and method for automatically and online adjusting viscosity of construction real-time water for fracturing |
| WO2022178981A1 (en) * | 2021-02-28 | 2022-09-01 | 浙江金象科技有限公司 | Liquefied-gas mixing tank |
| CN114032082A (en) * | 2021-12-03 | 2022-02-11 | 新疆力科石油化工技术服务有限公司 | High-density fracturing fluid and preparation device |
| CN118059748A (en) * | 2024-04-17 | 2024-05-24 | 胜利油田方圆化工有限公司 | Online mixing device and method for dry powder of oilfield fracturing fluid |
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