CN103726821A - Acid fracturing liquid continuous blending supply device - Google Patents
Acid fracturing liquid continuous blending supply device Download PDFInfo
- Publication number
- CN103726821A CN103726821A CN201410008693.9A CN201410008693A CN103726821A CN 103726821 A CN103726821 A CN 103726821A CN 201410008693 A CN201410008693 A CN 201410008693A CN 103726821 A CN103726821 A CN 103726821A
- Authority
- CN
- China
- Prior art keywords
- mixed cell
- liquid
- deflector
- acid
- clear water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Abstract
The invention discloses an acid fracturing liquid continuous blending supply device which comprises a clear water input unit, a first blending unit, a whole blending unit and a liquid sending unit. The clear water input unit is used for feeding clear water in a quantifying mode at a constant speed. The first blending unit is connected with the clear water input unit and is used for blending thickening agents and clear water from the clear water input unit, so that a thickening agent pre-blending solution is obtained. The whole blending unit is connected with the first blending unit and is used for blending the thickening agent pre-blending solution, acid liquid and various liquid additives, so that acid fracturing liquid is obtained. The liquid sending unit is connected with the whole blending unit and is used for discharging the acid fracturing liquid from the whole blending unit. According to the blending device, continuous blending supply of water, acid liquid, dry powder or pasty fluid and various liquid additives can be achieved, blending effect is good, blending is even, acid liquid quality is high, in addition, a large amount of manual cost is reduced through a continuous automatic acid preparing device, the requirement for an acid storage tank is lowered, construction liquid is saved, and equipment cost is saved.
Description
Technical field
The present invention relates to oil gas field acid fracturing construction dosing technology field, particularly, relate to the continuous mixture feeder of a kind of acid fracturing liquid.
Background technology
Acid fracturing is carbonatite, the most effective well stimulation of complex lithology fractured reservoir.Acid fracturing liquid quality height directly determines to improve the quality of stratum permeability, acid fracturing liquid main component comprises hydrochloric acid, hydrofluoric acid, thickening agent (polyacrylamide), corrosion inhibiter, cleanup additive, surfactant etc., in acidizing treatment, need in advance all materials to be mixed, and the key technology of restriction acidizing treatment is the continuous mixture of acid solution.
At present the mixture of acid fracturing liquid all adopts traditional mode, is mainly first manually to calculate, weigh, then concentrated acid, clear water and various additive are injected to fluid reservoir, by the on-the-spot simple device of the artificial combination complex acid that circulates, realizes the even mixture of acid solution.There are a lot of problems in this mode, mainly contains: (1), because acid fracturing liquid demand is large, batch (-type) dosing, needs a large amount of acid storage tanks, and fracturing unit cost is high, (2) the more manual operation of complex acid process need, field personnel's labour intensity is large, (3) concentrated hydrochloric acid using in complex acid and hydrofluoric acid all have stronger volatility and corrosivity, and scene exists a lot of potential safety hazards, (4), because having a lot of uncertain factors in construction, after first dosing, construction often causes the waste of remaining liq, (5) acid fracturing fluid viscosity is larger, acid solution difficulty of transportation, in acid fracturing liquid mixture process, mixing of materials adopts centrifugal pump to beat in pipeline is connected to acid fracturing flow container to circulate and while reaching the even mixing between different material, acid fracturing liquid complicated component, need the material viscosity adding, density, pH values etc. are all different, particularly thickener viscosity is larger, adopt pump circulation hybrid mode often to can not get uniform mixture, and a large amount of high viscosity acid solutions requires centrifugal pump to have large discharge capacity and high-lift, need the power of pump high, thereby exist energy consumption high, incorporation time is long, the problems such as equipment investment is large, can not realize continuous mixture, running cost is high.
Along with the development of fracturing technology, traditional complex acid mode at intermittence can not meet acid fracturing production requirement gradually, at present, domesticly there is no this continuous mixture feeder of acid fracturing liquid with actual application value.
Summary of the invention
For the defect of prior art, the object of the present invention is to provide the continuous mixture feeder of a kind of acid fracturing liquid.This device is applicable to the on-the-spot preparation continuously of acid fracturing acid solution, and acid solution is configuration automatically continuously, and acid solution joins i.e. use, reduces to greatest extent the use of acid solution surge tank, has avoided acid solution waste, effectively reduces acid fracturing cost; The acid fracturing liquid quality of this device preparation is good, and acid liquid viscosity is even, anhydrous bag powder phenomenon.
To achieve these goals, the present invention has adopted following technical scheme:
The continuous mixture feeder of a kind of acid fracturing liquid, comprising:
Clear water input block, supplies with clear water for quantitative constant speed;
The first mixed cell, is connected with described clear water input block, for mixed powder or paste body shape thickener and from the clear water of described clear water input block to obtain thickener premixed solution;
Entirety mixed cell, is connected with described the first mixed cell, for mixing described thickener premixed solution, acid solution and various liquid additive to obtain acid fracturing liquid;
Lotion unit, is connected with described overall mixed cell, for the acid fracturing liquid from described overall mixed cell is discharged.
In said apparatus, as a kind of preferred embodiment, described overall mixed cell is comprised of the second mixed cell, the 3rd mixed cell, the 4th mixed cell; Wherein:
The second mixed cell, is connected with described the first mixed cell, for preliminary mix acid liquor, various liquid additive and the thickener premixed solution from described the first mixed cell;
The 3rd mixed cell, is connected with described the second mixed cell, for further mixing the liquid from described the second mixed cell;
The 4th mixed cell, is connected with described the 3rd mixed cell, for final integral, mixes from the liquid of described the 3rd mixed cell to obtain acid fracturing liquid.In said apparatus, as a kind of preferred embodiment, described device also comprises:
Thickener charging metering units, is connected with described the first mixed cell, for quantitative constant speed, to described the first mixed cell, supplies with dry powder or paste body shape thickener;
Acid solution charging metering units, is connected with described the second mixed cell, for quantitative constant speed, to described the second mixed cell, carries acid solution;
Liquid additive charging metering units, is connected with described the second mixed cell, for quantitative constant speed, to described the second mixed cell, carries various liquid additives.
In said apparatus, as a kind of preferred embodiment, described clear water input block is also connected with described the second mixed cell, for quantitative constant speed, to described the second mixed cell, carries clear water; Preferably described clear water input block is connected with described overall hybrid system or the 4th mixed cell, to supply clear water.
In said apparatus, as a kind of preferred embodiment, described the second mixed cell is one section of common pipeline; Described the 3rd mixed cell is common pipeline or pipeline static mixer.
In said apparatus, as a kind of preferred embodiment, described the 4th mixed cell is blending tank, comprising: tank body, and top is provided with inlet, and bottom is provided with liquid outlet; The first deflector, for being inverted truncated cones build, comprise large peristome and little peristome, be arranged at the top of described tank body and be positioned at the below of described inlet, so that form whirlpool shape and flow out downwards from the little peristome of described the first deflector on the conical surface of the inner side of described the first deflector from the liquid of inlet; The second deflector, is circular cone build, is arranged at the middle part of described tank body, so that the liquid flowing out from the little peristome of described the first deflector is scattering on the outside conical surface of described the second deflector and flows downwards along the outside conical surface of described the second deflector; The 3rd deflector, for being inverted truncated cones build, comprise large peristome and little peristome, be arranged at the bottom of described tank body, so that form whirlpool shape and flow out from the little peristome of described the 3rd deflector on the inner side conical surface of the 3rd deflector along the liquid under conical flow outside described the second deflector downwards.Preferably, the edge of the edge of the large peristome of described the first deflector and the large peristome of described the 3rd deflector is all fixed on the sidewall of described tank body; Between the sidewall of described the second deflector and described tank body, leave space, so that the liquid under conical flow is scattered to the inner side conical surface of described the 3rd deflector outside described the second deflector, described the second deflector is fixed on the sidewall of described tank body by support.More preferably, in the tank body of described the 4th mixed cell, be provided with liquid level monitoring device.
In said apparatus, as a kind of preferred embodiment, described device also comprises PLC control module (programmable logic controller (PLC)), be connected with described thickener charging metering units, described PLC control module is adjusted the blanking amount of thickener according to water and the thickener ratio set, to realize automatic ration constant speed material loading; Described PLC control module is connected with described acid solution charging metering units, according to the various acid solution ratios of setting, adjusts input quantity and the input speed of various acid solutions; Described PLC control module is connected with described liquid additive charging metering units, according to the formula rate of various liquid additives, adjusts input quantity and the input speed of various liquid additives; Described PLC control module is also controlled the dry powder premixed solution of the first mixed cell to quantity and the speed of the second mixed cell conveying.Described PLC control module is also connected with described clear water input block, so that automatically adjust clear water input quantity and flow velocity reaches setting.Preferably, described PLC control module is also connected with the liquid level monitoring device in described the 4th mixed cell tank body, according to the result of liquid level monitoring device feedback, adjusts the lotion amount of described lotion unit.
In said apparatus, as a kind of preferred embodiment, described thickener charging metering units, acid solution charging metering units, liquid additive charging metering units, clear water input block, the first mixed cell, the second mixed cell, the 3rd mixed cell, the 4th mixed cell, lotion unit and control module are installed at least one transport carrier.More preferably, described transport carrier is flat bed trailer.
In said apparatus, described thickener is one or more in polyacrylamide, type methylene polyacrylamide, Sodium Polyacrylate, guar gum, HPG, Carboxymethyl hydroxypropyl guar, sesbania gum, fenugreek gum, konjac glucomannan, carboxymethyl cellulose, hydroxyethylcellulose and carboxymethyl hydroxyethyl cellulose.Described acid solution is that hydrochloric acid is or/and hydrofluoric acid.Described various liquid additive comprises corrosion inhibiter, ferrous stability, surfactant, clay stabilizer, mutual solvent, blowing agent, bactericide, temperature stability agent and PH conditioning agent, and the addition of various liquid additives accounts for the 0.5-20% of acid fracturing liquid total amount.Preferably, described bactericide is one or more in glutaraldehyde, chlorobenzene oxide and season ammoniate; Described clay stabilizer is inorganic salts stabilizing agent, 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.Described thickener consumption accounts for the 0.01-5% of described acid fracturing liquid gross mass, and described acid solution accounts for the 0.05-40% of described acid fracturing liquid gross mass.
Beneficial effect of the present invention: (1) adopts device of the present invention can realize the continuous mixture feed of water, acid solution, dry powder or lotion and various liquid additives, good mixing effect, mixture is (acid solution overall viscosity is even, without stratification) evenly, acid solution quality high (proportioning is accurate); (2) realization of automatic mixing acid continuously, reduces a large amount of costs of labor, reduces the demand to acid storage tank, has saved construction liquid, saves equipment cost; (3) whole device adopts automatic control unit to realize automation, and simple to operate, complex acid precision is controlled, safe, can need quantitative complex acid according to scene, and not waste material; (4) skid-mounted structure, can be placed on a truck, is convenient to transportation, uses flexibility high.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the continuous mixture feeder of a kind of acid fracturing liquid provided by the invention;
Fig. 2 is that in apparatus of the present invention, the 4th mixed cell is the structural representation of blending tank;
Fig. 3 is the structural representation of the first deflector and the 3rd deflector in Fig. 2 blending tank;
Fig. 4 is the structural representation of the second deflector in Fig. 2 blending tank;
Wherein, description of reference numerals is as follows: 1, PLC control module, 2, thickener charging metering units, 3, acid solution charging metering units, 4, liquid additive charging metering units, 5, clear water input block, 6, the first mixed cell, 7, the 4th mixed cell (blending tank), 71, tank body, 72, the first deflector or the 3rd deflector, 721, large peristome, 722, little peristome, 723, the inner side conical surface, 73, the second deflector, 731, the outside conical surface, 74, the 3rd deflector, 75, inlet, 76, liquid outlet, 77, support, 8, the 3rd mixed cell, 9, the second mixed cell, 10, lotion 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, the schematic diagram of its acid fracturing liquid continuous mixing device providing for the embodiment of the present invention, this device comprises: PLC control module 1, thickener charging metering units 2, acid solution charging metering units 3, liquid additive charging metering units 4, clear water input block 5, the first mixed cell 6, the 4th mixed cell (blending tank) 7, the 3rd mixed cell 8, the second mixed cell 9, lotion unit 10, said units can be installed on a flat bed trailer.Below above-mentioned parts are described one by one.
Thickener charging metering units 2, is connected with the first mixed cell 6, for supplying with dry powder or paste body shape thickener to the quantitative constant speed of the first mixed cell 6.In this embodiment, thickener charging metering units 2 comprises screw feed metering device, and it is constant speed material loading to the first mixed cell 6 quantitatively.
Clear water input block 5, is connected with the first mixed cell 6 and the second mixed cell 9, for carrying clear water to the first mixed cell 6 and the quantitative constant speed of the second mixed cell 9.In this embodiment, clear water input block 5 comprises two water pumps, is arranged at two flow transmitters and two ratio adjusting valves on two exit of pump pipelines respectively, each water pump is drawn clear water from outside, pumps in described the first mixed cell 6 and the second mixed cell 9 after the flow transmitter in corresponding pipeline and ratio adjusting valve.
The first mixed cell 6, is connected with the second mixed cell 9, for mix from the dry powder of thickener charging metering units 2 or paste body shape thickener and from the clear water of clear water input block 5 to obtain thickener premixed solution.In this embodiment, the first mixed cell 6 is the common mixing arrangement with mechanical stirring device, in addition, between the first mixed cell 6 and the second mixed cell 9, can also be provided with measuring pump, for measuring and control the first mixed cell 6, to the second mixed cell 9, input quantity and the speed of thickener premixed solution.
Acid solution charging metering units 3, be connected with the second mixed cell 9, for quantitative constant speed, to the second mixed cell 9, carry acid solution, in this embodiment, it is hydrochloric acid and hydrofluoric acid that acid solution is two kinds, so acid solution charging metering units 3 comprises 2 acid-proof pumps, be arranged at 2 acidproof flow transmitters and 2 acidproof flow control valves on 2 acid-proof pump export pipelines, 2 acid-proof pumps are respectively used to pump into hydrochloric acid and hydrofluoric acid, according to the ratio of hydrochloric acid and hydrofluoric acid, the corresponding acid-proof pump of selecting different flow, hydrochloric acid and hydrofluoric acid are drawn from outside by acid-proof pump separately respectively, after the acidproof flow transmitter on pipeline separately and acidproof flow control valve, pump into the second mixed cell 9.
Liquid additive charging metering units 4, be connected with the second mixed cell 9, for quantitative constant speed, to the second mixed cell 9, carry various liquid additives, in this embodiment, various liquid additives are corrosion inhibiter, ferrous stability, surfactant, clay stabilizer, mutual solvent and blowing agent, so liquid additive charging metering units 4 comprises 6 measuring pumps and liquid and add manifold, all kinds of liquid additives add manifold through measuring pump and liquid separately and are input to the second mixed cell 9.
The second mixed cell 9, be connected with the 3rd mixed cell 8, for preliminary, mix from the clear water of clear water input block 5, from the thickener premixed solution of the first mixed cell 6, from the various acid solutions of acid solution charging metering units 3 and from the various liquid additives of liquid additive charging metering units 4.In this embodiment, the second mixed cell 9 is only one section of common pipeline.
The 3rd mixed cell 8, is connected with the 4th mixed cell 7, for further mixing the liquid from the second mixed cell 9, in this embodiment, the 3rd mixed cell 8 is preferably commercially available SX type pipeline static mixer, also can be as the second mixed cell 9, and be one section of common pipeline.In fact, also can dispense second and third mixed cell, and from the thickener premix liquid of the first mixed cell, directly join in the 4th mixed cell from the various acid solutions of acid solution charging metering units 3 and from the various liquid additives (comprising if desired the clear water from clear water input block 5) of liquid additive charging metering units 4 simultaneously.
The 4th mixed cell 7, is connected with lotion unit 10, for final integral, mixes from the liquid of the 3rd mixed cell 8 finally to obtain acid fracturing liquid.In this embodiment, the structure of the 4th mixed cell 7, referring to Fig. 2, comprising: tank body 71, the first deflector 72, the second deflector 73, the 3rd deflector 74, inlet 75 and liquid outlet 76 etc., describe one by one to each parts of the 4th mixed cell 7 below.
Tank body 71, entirety is for having the columnar tank of hollow structure, and the sidewall of its middle and upper part is provided with inlet 75, is provided with liquid outlet 76 at the bottom of the tank of bottom, and inlet 76 is connected with the liquid outlet of the 3rd mixed cell.
The first deflector 72, referring to Fig. 2 and 3, for being inverted truncated cones build (also can be referred to as inverted " loudspeaker " type), be arranged at tank body 71 tops and be positioned at the below of inlet 75, comprise large peristome 721 and little peristome 722, liquid tangentially enters blending tank 7 tops from inlet 75, from large peristome 721, fall into the inner side conical surface 723 of the first deflector 72, and form whirlpool shape on this inner side conical surface 723, thereby reach the mixing for the first time in blending tank 7, through for the first time mix liquid from childhood peristome 722 on the outside conical surface 731 downstream to the second deflector 73.The first deflector 72 can be fixed on the edge of large peristome 721 on the sidewall of tank body 71 by welding or the mode such as hinged; But be not limited to upper type, in order to reinforce the first deflector 72, can also fix in the following manner the first deflector 72: first the first deflector 72 is fixed on a support, and then the support that is fixed with the first deflector 72 is fixed on the sidewall of tank body 71 by welding or the mode such as hinged.
The second deflector 73, referring to Fig. 2 and Fig. 4, for circular cone build (also can be referred to as " canopy " type), be arranged at the middle part of tank body 71, the liquid flowing out from the little peristome of the first deflector 72 is scattering on the outside conical surface 731 of the second deflector, and then liquid flows downwards and is scattered to the inner side conical surface of the 3rd deflector 74 along the outside conical surface 731 of the second deflector 73; Between the second deflector 73 and tank body 71 sidewalls, leave space, so that the liquid that the conical surface 731 flows down outside the second deflector is scattered to the inner side conical surface of the 3rd deflector 74, the second deflector 73 is fixed on by support 77 on the sidewall of tank body 71, that is to say, first the second deflector 73 is welded on a support, and then by this support welding on the sidewall of tank body 71.
The 3rd deflector 74, referring to Fig. 2 and 3, its structure is identical with the first deflector 72, for being inverted truncated cones build, comprise large peristome and little peristome, but it is arranged at the bottom of tank body 71, so that the liquid flowing down along the second deflector 73 outside conical surfaces 731 forms whirlpool shape on the inner side conical surface of the 3rd deflector 74, thereby reach the mixing for the second time in blending tank 7, the liquid through mixing for the second time from the little peristome of the 3rd deflector 74 to the bottom downstream to blending tank 7.The 3rd deflector 74 can be fixed on the edge of its large peristome on the sidewall of tank body 71 by welding or the mode such as hinged; But be not limited to upper type, in order to reinforce the 3rd deflector 74, can also fix in the following manner the 3rd deflector 74: first the 3rd deflector 74 is fixed on a support, and then the support that is fixed with the 3rd deflector 74 is fixed on the sidewall of tank body 71 by welding or the mode such as hinged.
The tank body 71 of blending tank 7 is interior can also be provided with liquid level monitoring device.
The operating principle of this blending tank 7: the liquid entering from inlet tangentially enters on the inner side conical surface of the first deflector that blending tank top is set to down " loudspeaker " type, fluid forms whirlpool shape to carry out in-tank mixing for the first time on this inner side conical surface, the fluid of eddy current shape is after mixing for the first time, fall on the outside conical surface of the second deflector that is set to " canopy " type, liquid forms tangential scattered shape along this outside conical surface and flows into the 3rd layer of deflector, the 3rd layer of deflector is still set to down " loudspeaker " type, fluid forms whirlpool shape again to carry out in-tank mixing for the second time on the inner side conical surface of the 3rd deflector, then enter tank base, tank base space is larger, assurance pot liquid abundance.
Lotion unit 10, for discharging the acid fracturing liquid from the 4th mixed cell 7.In this embodiment, lotion unit 10 comprises lotion pump, and acid fracturing liquid pumps by lotion pump.
PLC control module 1, it is programmable logic controller (PLC), be connected with thickener charging metering units 2, screw feed metering device to thickener charging metering units 2 is controlled, it is adjusted the blanking amount of thickener according to water and the thickener ratio set, to realize automatic ration constant speed material loading; PLC control module 1 is also connected with acid solution charging metering units 3, and it adjusts input quantity and the input speed of two kinds of acid solutions according to the acid solution ratio of setting and 2 signals that acidproof flow transmitter transmits by 2 acidproof flow control valves; PLC control module 1 is connected with liquid additive charging metering units 4, and it adjusts input quantity and the input speed of various liquid additives according to the signal of the formula rate of various liquid additives and 6 measuring pump feedbacks; PLC control module 1 is also connected with the measuring pump being arranged between the first mixed cell 6 and the second mixed cell 9, controls the dry powder of the first mixed cell 6 or quantity and the speed that paste body shape thickener premixed solution is carried to the second mixed cell 9; PLC control module 1 is also connected with clear water input block 5, and it can be according to the signal of flow transmitter feedback, and flow and flow velocity that passing ratio control valve is adjusted clear water reach setting; PLC control module 1 is also connected with the liquid level monitoring device in the 4th mixed cell 7 tank bodies, according to the result of liquid level monitoring device feedback, adjusts the lotion amount of lotion unit 10.
The operating principle of the continuous mixture feeder of acid fracturing liquid of the present invention is as follows:
Dry powder or paste body shape thickener are inputted the first mixed cell 6 through the screw feed metering device of thickener charging metering units 2, wherein screw feed metering device, can be according to the corresponding conveying capacity that automatically regulates thickener of the input water yield of the pigment of setting or cream ratio and clear water input block by the control of PLC control module, clear water input block 5 is also delivered to the first mixed cell 6 by clear water, wherein the flow transmitter of clear water input block 5 by signal feedback to PLC control module 1, PLC control module is by regulating ratio adjusting valve to make the transporting velocity of clear water and conveying capacity reach regulation requirement, can realize like this and when adding dry powder or paste body shape thickener, add water, and the mass ratio of controlling interior dry powder-shaped thickener per second and water is 0.05-10:100, or the volume ratio of controlling interior paste body shape thickener per second and water is 0.05-20:100, the clear water of this ratio and dry powder or lotion thickener obtain thickener premixed solution after the first mixed cell 6 mixes.
Thickener premixed solution pumps into the second mixed cell 9 by measuring pump, and this measuring pump is controlled by PLC control module 1, can adjust at any time the amount of pumping into of thickener premixed solution and pump into speed; Simultaneously, 2 acid-proof pumps by acid solution charging metering units are drawn corresponding acid solution from outside, acid solution pumps into the second mixed cell 9 after the acidproof flow transmitter on pipeline separately and acidproof flow control valve, PLC control module, according to two kinds of acid solution ratios setting and the signal of 2 acidproof flow transmitter feedbacks, is adjusted input quantity and the input speed of two kinds of acid solutions by 2 acidproof flow control valves; Simultaneously, multiple measuring pumps by liquid additive charging metering units 4 pump into respectively the second mixed cell 9 by all kinds of liquid additives from outside, PLC control module is according to the signal of the formula rate of various liquid additives and multiple measuring pump feedback, input quantity and the input speed of adjusting various liquid additives, the addition of above-mentioned various liquid additives accounts for the 0.5-20% of acid fracturing liquid total amount; Simultaneously, water pump by clear water input block 5 is drawn clear water from outside, clear water pumps into the second mixed cell 9 after the flow transmitter on pipeline and ratio adjusting valve, and PLC control module is according to the signal of flow transmitter feedback, and passing ratio control valve is adjusted flow and the flow velocity of clear water.The preliminary mixing that thickener premixed solution, concentrated hydrochloric acid/hydrofluoric acid, all kinds of liquid additive and clear water just obtain at the second mixed cell 9 to scale like this; Through preliminary mixed liquid, enter in SX type pipeline static mixer, all liq forms flow-disturbing state, mutually clashes into, and has realized so the further mixing of acid solution in this static mixer; Finally enter in the 4th mixed cell 7, liquid forms multiple whirlpool shapes along deflector in tank, and in the acid fracturing liquid finally obtaining, wherein thickener consumption accounts for the 0.01-5% of acid fracturing liquid gross mass, and acid solution accounts for the 0.05-40% of acid fracturing liquid gross mass.Acid fracturing liquid is pumped by the lotion pump of lotion unit 10; In the tank of the 4th mixed cell 7, liquid level detector is set, PLC control module detects liquid level in tank, and corresponding control lotion pump delivery, prevents that pot liquid from finding time.
The acid fracturing liquid mixture that adopts the present embodiment device to obtain is even, quality is high (acid liquid viscosity, density stabilized, without stratification, in acid solution, each additive entirety mixes).
The acid fracturing liquid continuous mixing device that another embodiment of the present invention provides comprises: PLC control module 1, thickener charging metering units 2, acid solution charging metering units 3, liquid additive charging metering units 4, clear water input block 5, the first mixed cell 6, the 4th mixed cell (blending tank) 7, lotion unit 10, said units can be installed on a flat bed trailer.Below above-mentioned parts are described one by one.
Thickener charging metering units 2 is identical with above-described embodiment structure and annexation.
Clear water input block 5, is connected with the first mixed cell 6 and the 4th mixed cell 7, for carrying clear water to the first mixed cell 6 and the quantitative constant speed of the 4th mixed cell 7.In this embodiment, clear water input block 5 comprises two water pumps, is arranged at two flow transmitters and two ratio adjusting valves on two exit of pump pipelines respectively, each water pump is drawn clear water from outside, pumps in described the first mixed cell 6 and the 4th mixed cell 7 after the flow transmitter in corresponding pipeline and ratio adjusting valve.
The first mixed cell 6, is directly connected with the 4th mixed cell 7, for mix from the dry powder of thickener charging metering units 2 or paste body shape thickener and from the clear water of clear water input block 5 to obtain thickener premixed solution.In this embodiment, the first mixed cell 6 is the common mixing arrangement with mechanical stirring device, in addition, between the first mixed cell 6 and the 4th mixed cell 7, can also be provided with measuring pump, for measuring and control the first mixed cell 6, to the 4th mixed cell 7, input quantity and the speed of thickener premixed solution.
Acid solution charging metering units 3, be connected with the 4th mixed cell 7, for quantitative constant speed, to the 4th mixed cell 7, carry acid solution, in this embodiment, it is hydrochloric acid and hydrofluoric acid that acid solution is two kinds, so acid solution charging metering units 3 comprises 2 acid-proof pumps, be arranged at 2 acidproof flow transmitters and 2 acidproof flow control valves on 2 acid-proof pump export pipelines, 2 acid-proof pumps are respectively used to pump into hydrochloric acid and hydrofluoric acid, according to the ratio of hydrochloric acid and hydrofluoric acid, the corresponding acid-proof pump of selecting different flow, hydrochloric acid and hydrofluoric acid are drawn from outside by acid-proof pump separately respectively, after the acidproof flow transmitter on pipeline separately and acidproof flow control valve, pump into the 4th mixed cell 7.
Liquid additive charging metering units 4, be connected with the 4th mixed cell 7, for quantitative constant speed, to the 4th mixed cell 7, carry various liquid additives, in this embodiment, various liquid additives are corrosion inhibiter, ferrous stability, surfactant, clay stabilizer, mutual solvent and blowing agent, so liquid additive charging metering units 4 comprises 6 measuring pumps and liquid and add manifold, all kinds of liquid additives add manifold through measuring pump and liquid separately and are input to the second mixed cell 9.
Lotion unit 10 is identical with above-described embodiment structure and annexation.
PLC control module 1 except be arranged at measuring pump between the first mixed cell 6 and the 4th mixed cell 7 and be connected to control the dry powder of the first mixed cell 6 or quantity and speed that paste body shape thickener premixed solution is carried to the 4th mixed cell 7, other annexations are same as the previously described embodiments.
The present embodiment is by the 4th mixed cell 7 mixed cell as a whole, that is to say, thickener premixed solution, acid solution, various liquid additive and water are directly pumped in the 4th mixed cell 7 simultaneously and mixed, adopt acid fracturing liquid mixture that the device of this embodiment obtains evenly, also higher (acid liquid viscosity, density stabilized of quality, without stratification, in acid solution, each additive entirety mixes).
Claims (10)
1. the continuous mixture feeder of acid fracturing liquid, is characterized in that, comprising:
Clear water input block, supplies with clear water for quantitative constant speed;
The first mixed cell, is connected with described clear water input block, for mixed powder or paste body shape thickener and from the clear water of described clear water input block to obtain thickener premixed solution;
Entirety mixed cell, is connected with described the first mixed cell, for mixing described thickener premixed solution, acid solution and various liquid additive to obtain acid fracturing liquid;
Lotion unit, is connected with described overall mixed cell, for the acid fracturing liquid from described overall mixed cell is discharged.
2. install according to claim 1, it is characterized in that, described overall mixed cell is comprised of the second mixed cell, the 3rd mixed cell, the 4th mixed cell; Wherein:
The second mixed cell, is connected with described the first mixed cell, for preliminary mix acid liquor, various liquid additive and the thickener premixed solution from described the first mixed cell;
The 3rd mixed cell, is connected with described the second mixed cell, for further mixing the liquid from described the second mixed cell;
The 4th mixed cell, is connected with described the 3rd mixed cell, for final integral, mixes from the liquid of described the 3rd mixed cell to obtain acid fracturing liquid.
3. device according to claim 2, is characterized in that, also comprises:
Thickener charging metering units, is connected with described the first mixed cell, for quantitative constant speed, to described the first mixed cell, supplies with dry powder or paste body shape thickener;
Acid solution charging metering units, is connected with described the second mixed cell, for quantitative constant speed, to described the second mixed cell, carries acid solution;
Liquid additive charging metering units, is connected with described the second mixed cell, for quantitative constant speed, to described the second mixed cell, carries various liquid additives.
4. device according to claim 3, it is characterized in that, described clear water input block is also connected with described the second mixed cell, for quantitative constant speed, to described the second mixed cell, carry clear water, preferred described clear water input block is connected with described overall hybrid system or the 4th mixed cell, to supply clear water.
5. device according to claim 3, is characterized in that, described the second mixed cell is one section of common pipeline; Described the 3rd mixed cell is common pipeline or pipeline static mixer.
6. device according to claim 3, is characterized in that, described the 4th mixed cell is blending tank, comprising: tank body, and top is provided with inlet, and bottom is provided with liquid outlet; The first deflector, for being inverted truncated cones build, comprise large peristome and little peristome, be arranged at the top of described tank body and be positioned at the below of described inlet, so that form whirlpool shape and flow out downwards from the little peristome of described the first deflector on the conical surface of the inner side of described the first deflector from the liquid of inlet; The second deflector, is circular cone build, is arranged at the middle part of described tank body, so that the liquid flowing out from the little peristome of described the first deflector is scattering on the outside conical surface of described the second deflector and flows downwards along the outside conical surface of described the second deflector; The 3rd deflector, for being inverted truncated cones build, comprise large peristome and little peristome, be arranged at the bottom of described tank body, so that form whirlpool shape and flow out from the little peristome of described the 3rd deflector on the inner side conical surface of the 3rd deflector along the liquid under conical flow outside described the second deflector downwards.
7. install according to claim 6, it is characterized in that, the edge of the edge of the large peristome of described the first deflector and the large peristome of described the 3rd deflector is all fixed on the sidewall of described tank body; Between the sidewall of described the second deflector and described tank body, leave space, so that the liquid under conical flow is scattered to the inner side conical surface of described the 3rd deflector outside described the second deflector, described the second deflector is fixed on the sidewall of described tank body by support.
8. device according to claim 6, it is characterized in that, described device also comprises PLC control module, be connected with described thickener charging metering units, described PLC control module is adjusted the blanking amount of thickener according to water and the thickener ratio set, to realize automatic ration constant speed material loading; Described PLC control module is connected with described acid solution charging metering units, according to the various acid solution ratios of setting, adjusts input quantity and the input speed of various acid solutions; Described PLC control module is connected with described liquid additive charging metering units, according to the formula rate of various liquid additives, adjusts input quantity and the input speed of various liquid additives; Described PLC control module is also controlled the thickener premixed solution of the first mixed cell to quantity and the speed of the second mixed cell conveying; Described PLC control module is also connected with described clear water input block, so that automatically adjust clear water input quantity and flow velocity reaches setting.
9. install according to claim 8, it is characterized in that, in the tank body of described the 4th mixed cell, be provided with liquid level monitoring device; Preferably, described PLC control module is also connected with the liquid level monitoring device in described the 4th mixed cell tank body, according to the result of liquid level monitoring device feedback, adjusts the lotion amount of described lotion unit.
10. install according to claim 4, it is characterized in that, described thickener charging metering units, acid solution charging metering units, liquid additive charging metering units, clear water input block, the first mixed cell, the second mixed cell, the 3rd mixed cell, the 4th mixed cell, lotion unit and control module are installed at least one transport carrier.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410008693.9A CN103726821B (en) | 2014-01-08 | 2014-01-08 | Acidizing and fracturing fluid continuous mixture feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410008693.9A CN103726821B (en) | 2014-01-08 | 2014-01-08 | Acidizing and fracturing fluid continuous mixture feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103726821A true CN103726821A (en) | 2014-04-16 |
| CN103726821B CN103726821B (en) | 2016-08-17 |
Family
ID=50451088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410008693.9A Active CN103726821B (en) | 2014-01-08 | 2014-01-08 | Acidizing and fracturing fluid continuous mixture feeder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103726821B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN105666720A (en) * | 2016-04-15 | 2016-06-15 | 河南省龙都生物科技有限公司 | Prepolymerization mixing device for polylactic acid |
| CN106285612A (en) * | 2015-05-25 | 2017-01-04 | 中国石油天然气股份有限公司 | A kind of control acid concentration method in real time for oil gas field acid fracturing |
| 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 |
| CN109796956A (en) * | 2018-12-27 | 2019-05-24 | 四机赛瓦石油钻采设备有限公司 | A kind of electricity drives fracturing fluid continuously mixed sledge |
| CN110869135A (en) * | 2017-06-27 | 2020-03-06 | 罗伯特·博世有限公司 | Discharge unit for discharging a final liquid with a defined final mixing ratio |
| CN112943193A (en) * | 2021-03-19 | 2021-06-11 | 大庆油田有限责任公司 | Preparation and injection integrated acidizing plug removal process |
| WO2022237351A1 (en) * | 2021-05-12 | 2022-11-17 | 烟台杰瑞石油装备技术有限公司 | Fracturing control device and control method therefor |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4526633A (en) * | 1982-11-08 | 1985-07-02 | Ireco Incorporated | Formulating and delivery system for emulsion blasting |
| CN2282066Y (en) * | 1996-12-18 | 1998-05-20 | 江汉石油管理局第四机械厂 | Vertical double cavity mixing tank device |
| CN2632318Y (en) * | 2003-05-18 | 2004-08-11 | 兰州矿场机械有限公司 | Vehicle for preparing elementary fracturing fluid for oil mine |
| CN1544797A (en) * | 2003-11-10 | 2004-11-10 | 北京矿冶研究总院 | Petroleum fracturing fluid mixing vehicle |
| CN201310340Y (en) * | 2008-11-07 | 2009-09-16 | 中国石化集团石油工程西南有限公司井下作业分公司 | Pressure-crack fracturing blender truck closed-type grouping inhalation/discharge manifold system |
| CN201587354U (en) * | 2009-12-07 | 2010-09-22 | 北京矿冶研究总院 | Intelligent automatic liquid distribution vehicle |
| US20100329072A1 (en) * | 2009-06-30 | 2010-12-30 | Hagan Ed B | Methods and Systems for Integrated Material Processing |
| CN102423655A (en) * | 2011-12-30 | 2012-04-25 | 北京矿冶研究总院 | Large-flow fracturing fluid preparation system and method |
| CN102996107A (en) * | 2012-12-07 | 2013-03-27 | 东营盛世石油科技有限责任公司 | Fracturing process for online continuous preparation based on liquid polymer |
| CN103244103A (en) * | 2013-05-20 | 2013-08-14 | 中国石油大学(华东) | Nano-magnetic-fluid-based hydraulic fracturing fracture real-time monitoring system and nano-magnetic-fluid-based hydraulic fracturing fracture real-timemonitoring method |
-
2014
- 2014-01-08 CN CN201410008693.9A patent/CN103726821B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4526633A (en) * | 1982-11-08 | 1985-07-02 | Ireco Incorporated | Formulating and delivery system for emulsion blasting |
| CN2282066Y (en) * | 1996-12-18 | 1998-05-20 | 江汉石油管理局第四机械厂 | Vertical double cavity mixing tank device |
| CN2632318Y (en) * | 2003-05-18 | 2004-08-11 | 兰州矿场机械有限公司 | Vehicle for preparing elementary fracturing fluid for oil mine |
| CN1544797A (en) * | 2003-11-10 | 2004-11-10 | 北京矿冶研究总院 | Petroleum fracturing fluid mixing vehicle |
| CN201310340Y (en) * | 2008-11-07 | 2009-09-16 | 中国石化集团石油工程西南有限公司井下作业分公司 | Pressure-crack fracturing blender truck closed-type grouping inhalation/discharge manifold system |
| US20100329072A1 (en) * | 2009-06-30 | 2010-12-30 | Hagan Ed B | Methods and Systems for Integrated Material Processing |
| CN201587354U (en) * | 2009-12-07 | 2010-09-22 | 北京矿冶研究总院 | Intelligent automatic liquid distribution vehicle |
| CN102423655A (en) * | 2011-12-30 | 2012-04-25 | 北京矿冶研究总院 | Large-flow fracturing fluid preparation system and method |
| CN102996107A (en) * | 2012-12-07 | 2013-03-27 | 东营盛世石油科技有限责任公司 | Fracturing process for online continuous preparation based on liquid polymer |
| CN103244103A (en) * | 2013-05-20 | 2013-08-14 | 中国石油大学(华东) | Nano-magnetic-fluid-based hydraulic fracturing fracture real-time monitoring system and nano-magnetic-fluid-based hydraulic fracturing fracture real-timemonitoring method |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105080412B (en) * | 2014-05-22 | 2018-04-17 | 北京神州卓越石油科技有限公司 | The automatic continuous blending device of 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 |
| CN104196514B (en) * | 2014-09-02 | 2016-09-14 | 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 | A kind of acidizing and fracturing fluid is i.e. joined and is i.e. used device |
| 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 |
| CN106285612A (en) * | 2015-05-25 | 2017-01-04 | 中国石油天然气股份有限公司 | A kind of control acid concentration method in real time for oil gas field acid fracturing |
| CN106285612B (en) * | 2015-05-25 | 2019-02-15 | 中国石油天然气股份有限公司 | A kind of real-time control acid concentration method for oil gas field acid fracturing |
| CN105666720A (en) * | 2016-04-15 | 2016-06-15 | 河南省龙都生物科技有限公司 | Prepolymerization mixing device for polylactic acid |
| 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 |
| CN107120103B (en) * | 2017-05-17 | 2019-09-20 | 成都百联油田技术服务有限公司 | A kind of fracture acidizing cleanup additive |
| CN110869135A (en) * | 2017-06-27 | 2020-03-06 | 罗伯特·博世有限公司 | Discharge unit for discharging a final liquid with a defined final mixing ratio |
| CN109796956A (en) * | 2018-12-27 | 2019-05-24 | 四机赛瓦石油钻采设备有限公司 | A kind of electricity drives fracturing fluid continuously mixed sledge |
| CN112943193A (en) * | 2021-03-19 | 2021-06-11 | 大庆油田有限责任公司 | Preparation and injection integrated acidizing plug removal process |
| WO2022237351A1 (en) * | 2021-05-12 | 2022-11-17 | 烟台杰瑞石油装备技术有限公司 | Fracturing control device and control method therefor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103726821B (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103726821A (en) | Acid fracturing liquid continuous blending supply device | |
| CN202506322U (en) | Continuous proportioning and blending device for fracturing fluid | |
| CN103721619B (en) | A kind of fracturing fluid continuous mixing device | |
| CN101434836B (en) | Continuous compounding method for fracturing fluid | |
| US9764497B2 (en) | System and method for producing homogenized oilfield gels | |
| EA025089B1 (en) | Equipment for dissolution of polymers suitable for large-scale operations of hydraulic fracturing | |
| CN204894197U (en) | Automatic ration water distribution brickmaking system | |
| CN203842504U (en) | Novel multi-phase fluid whole-mixing device and mixing tank | |
| CN208035013U (en) | Automatic mixing pulping system | |
| CN205774189U (en) | Emulsion safety production system | |
| CN103821493A (en) | Continuous mixing supply method for acid fracturing fluid | |
| CN201800926U (en) | Automatic metering and continuous production equipment for mixed grain rice composite flour | |
| CN103984378B (en) | A kind of control device being applicable to sludge rapid dewatering system | |
| CN211306899U (en) | Equipment for preparing foamed light soil for railway roadbed | |
| CN108638334A (en) | A kind of concrete automatic recipe maker | |
| CN205552859U (en) | Tubular pile material agitating mixing apparatus | |
| CN205572724U (en) | Automatic feed device in building concrete mixing system | |
| CN103816821B (en) | A kind of continuous compounding method for fracturing fluid | |
| CN106693752A (en) | Premixer for acid and ore | |
| CN105170006A (en) | Working solution proportioning and blending device | |
| CN105126697A (en) | Fracturing fluid mass flow continuous liquid preparation system for hydraulic fracturing and liquid preparation process of system | |
| CN205442058U (en) | Emulsion explosive blending transportation device | |
| CN204891787U (en) | Large -traffic liquid system of joining in marriage in succession of fracturing fluid that hydraulic fracturing used | |
| CN112387177B (en) | Filling system suitable for solid resistance reducing agent and solid thickening agent | |
| CN204841537U (en) | Device is thoughtlessly joined in marriage to working solution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |