CN209020314U - Fracture acidizing liquid continuous mixing device - Google Patents
Fracture acidizing liquid continuous mixing device Download PDFInfo
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- CN209020314U CN209020314U CN201821559861.3U CN201821559861U CN209020314U CN 209020314 U CN209020314 U CN 209020314U CN 201821559861 U CN201821559861 U CN 201821559861U CN 209020314 U CN209020314 U CN 209020314U
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Abstract
The utility model discloses a kind of fracture acidizing liquid continuous mixing devices, including water supplying unit, ortho acid liquid feed unit, composite multi-component acid solution charging/liquid additive feed unit, liquid mixed cell, detection unit, lotion unit；Wherein, liquid mixed cell includes screw pump and rotational flow mixing device；Water supplying unit, ortho acid liquid feed unit and composite multi-component acid solution charging/liquid additive feed unit pass through pipeline connection and be connected to screw pump and raw material is successively carried out with screw pump rotational flow mixing device it is primary mix, liquid pressing and it is secondary be sufficiently mixed after after detection unit detection is qualified into lotion unit；The blending device and compounding process can be realized the continuous complete preparation of acid solution, and discharge capacity is big and can realize the accurate proportion of acid solution, mixture uniformly, keep acid solution entirety viscosity uniform, no lamination, and acid solution quality is high.
Description
Technical field
The utility model relates to oil-gas field development technical field, in particular to a kind of fracture acidizing continuous mixture dress of liquid
It sets.
Background technique
Being acidified acid fracturing is one of common well stimulation of oilfield prospecting developing middle-low permeability reservoir.Pass through acid solution and ground
Layer rock contact reaction, generates wormhole, makes hydrocarbon stratum be easier to flow out, reaches and improve production capacity purpose.But acidification at present
Acid solution preparation method mainly uses base station with liquid and live acid storage tank circulation with two ways such as liquid, using it is more be exactly live
With liquid.Wherein, base station is after preparing acid solution by make-up station, to be transported to operation field by transportation tank car, this mode is transported into liquid
This is high, and is only applicable to nearly well and small acid amount operation；And live acid storage tank circulation is by ortho acid liquid and all kinds of with liquid mode
Chemical addition agent is transported to acidizing treatment scene, by some simple devices in scene and site operation personnel, realizes by tank with liquid batch
Mixed batch is used, still, often cannot be uniform since this single tank needs a large amount of acidproof acid storage tank with liquid and matches liquid for a long time
Mixture, performance is inconsistent, and concentrated hydrochloric acid and hydrofluoric acid used in complex acid all have stronger volatility and corrosivity, scene
There are many security risks, and require artificial anti-corrosion splashproof labour protection etc. high；In addition, batch mixed criticize is held with by tank complex acid mode
Easily lead to liquid corruption, run acid, the waste of remaining liq and extremely difficult processing etc., cause operating environment poor.
Utility model content
The purpose of the utility model is to provide a kind of can be realized continuously is used with the fracture acidizing that liquid carries out mixture acidification
Liquid continuous mixing device.
For this purpose, technical solutions of the utility model are as follows:
A kind of fracture acidizing liquid continuous mixing device, including liquid mixed cell；The liquid mixed cell includes spiral shell
Bar pump and rotational flow mixing device, the rotational flow mixing device include outer cylinder and from the liquid feeding end of the outer cylinder to outlet end and along same
The first screw rod body, the first current limliting comb, the second screw rod body and the second current limliting that one axis is successively set in outer tube inner chamber are combed；
Wherein, the hand of spiral phase of the helical blade on first screw rod body and the helical blade on second screw rod body
Instead；It is the disk being fixed on the outer tube inner wall that first current limliting, which is combed, and the second current limliting is combed, and is along the circumferential direction opened up thereon
There are multiple flowing holes；The outlet end of the screw pump is connect with the liquid feeding end of the rotational flow mixing device.
Further, the fracture acidizing liquid continuous mixing device include water supplying unit, it is ortho acid liquid feed unit, compound more
First acid solution charging/liquid additive feed unit, liquid mixed cell, lotion unit；The water supplying unit include water supplying pipe and
Multiple water supply branch pipes being connected to the water supplying pipe；The ortho acid liquid feed unit include ortho acid liquid feed pipe and it is multiple with it is described
The acid solution feed-inputing branched pipe of ortho acid liquid feed pipe connection；The composite multi-component acid solution charging/liquid additive feed unit includes adding
Add agent feed pipe and multiple additive feed-inputing branched pipes being connected to the additive feed pipe；The liquid mixed cell further includes
First mixed liquid pipe and the second mixed liquid pipe；The lotion unit includes lotion pipe and multiple lotion branch being connected to the lotion pipe
Pipe；Wherein, the both ends of the water supplying pipe are connected to one end of the ortho acid liquid feed pipe and the first mixed liquid pipe respectively, described
The both ends of additive feed pipe are connected to the other end of the ortho acid liquid feed pipe and the first mixed liquid pipe respectively, and described second
One end of mixed liquid pipe and the liquid feeding end of the screw pump are connected to the described first mixed liquid pipe, and the second mixed liquid pipe is another
End is connected to the ortho acid liquid feed pipe；The outlet end of the rotational flow mixing device is connected to the lotion pipe.
Further, the inner wall of the first mixed liquid pipe and the second mixed liquid pipe is equipped with multiple deflectors, makes to enter the first mixed liquid
Pipe and the liquid of the second mixed liquid pipe form multiple circinate along pipeline inner deflector, obtain preliminary mixed liquor.
Further, detection unit is additionally provided between the liquid mixed cell and the lotion unit；The inspection
Surveying unit includes the liquid-measuring tube that both ends are connected between the outlet end of the rotational flow mixing device and the lotion pipe, and
Flow detector on the liquid-measuring tube and acid strength detection device are set.
Further, which further includes control unit；Described control unit includes setting
The flow set on the water supply branch pipe, the acid solution feed-inputing branched pipe, the additive feed-inputing branched pipe and the lotion branch pipe passes
Sensor and hydraulic speed control valve, and it is separately positioned on the valve A of the connectivity part of the water supplying pipe and the ortho acid liquid feed pipe, institute
State the valve B of ortho acid liquid feed pipe and the connectivity part of the additive feed pipe, the valve C in the second mixed liquid pipe, described
The valve of the connectivity part of the valve D and the liquid-measuring tube and the lotion pipe of the connectivity part of water supplying pipe and the ortho acid liquid feed pipe
Door F.
Further, connection is formed by a liquid back pipe between the described first mixed liquid pipe and the liquid-measuring tube, and in institute
The connectivity part for stating liquid back pipe and the first mixed liquid pipe is provided with valve D, in the connectivity part of the liquid back pipe and the liquid-measuring tube
It is provided with valve E.
Further, it is additionally provided with blow-down pipe on the lotion pipe, valve G is provided on the blow-down pipe；It is vented effective
The acid solution remaining in tank after discharge construction, guarantees cleaning in lotion and surge tank.
Further, described control unit further includes PLC controller, makes the screw pump, each flow sensor, each
The hydraulic speed control valve, each valve and flow detector and acid strength detection device pass through PLC control, with
Realize the suitable of the position (section) of feed liquor or liquid feeding for automatically controlling each branch pipe, the time of feed liquor or liquid feeding and feed liquor or liquid feeding
Sequence, the opening and closing of valve and the working condition of screw pump.
Further, valve A and valve B is with the pushswitch valve that can change liquid flow direction, so as to root
According to needing to change liquid flow direction, the acid solution in cleaning device is cleaned.
Further, which further includes power unit；The power unit includes bavin
Oily generating set and the hydro-power pump connecting with diesel generating set, the hydro-power pump pass through pipeline and the spiral shell respectively
Bar pump is connected with each hydraulic speed control valve.Wherein, hydro-power pump is capable of providing the pump pressure not less than 10MPa, keeps highest defeated
Discharge capacity can reach 12m out3/min。
Further, to be readily transported to different construction sites, which is pacified with liquid continuous mixing device skid-mounted type
It can be on transport flat panel loaded on one.
Compared with prior art, fracture acidizing liquid continuous mixing device and its it can be realized the company of acid solution with liquid technique
Continuous to prepare completely, discharge capacity is big and can realize the accurate proportion of acid solution, mixture uniformly, keeps acid solution entirety viscosity uniform, no layering is existing
As acid solution quality is high；Totally-enclosed mixes automatically, and labor intensity is low, avoid sour tank with liquid corrosion hurt sb.'s feelings, environmental pollution
Deng；Meanwhile being realized by control unit and being required to adjust each material proportion and flow at any time according to detail design, avoid acid solution and change
The waste for learning additive, reduces operating cost；Furthermore the design method of the acid solution continuous mixing device can realize that huge discharge connects
It is continuous to match liquid, Large Scale Acidizing job requirements can be met；The design of device integral skid mounting formula, convenient transportation carry diesel engine unit, without outer
Power is connect, is suitable for field work scene and uses.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the fracture acidizing liquid continuous mixing device of the utility model；
Fig. 2 is the structural schematic diagram of the rotational flow mixing device of the fracture acidizing liquid continuous mixing device of the utility model；
Fig. 3 is the structural schematic diagram of the A-frame of the fracture acidizing liquid continuous mixing device of the utility model；
Fig. 4 is that the first current limliting of the fracture acidizing liquid continuous mixing device of the utility model combs (the second current limliting comb)
Structural schematic diagram.
Specific embodiment
With reference to the accompanying drawing and specific embodiment is described further the utility model, but following embodiments are right absolutely not
The utility model has any restrictions.
As shown in Figure 1, the fracture acidizing with liquid continuous mixing device include skid-mounted type be installed on one can be on transport flat panel
Water supplying unit I, ortho acid liquid feed unit II, composite multi-component acid solution charging/liquid additive feed unit III, liquid mixing are single
Member, detection unit VI, lotion list VII, control list VIII and power unit IX.
Water supplying unit includes water supplying pipe and three water supply branch pipes being connected to water supplying pipe；It is equal at the port of every water supply branch pipe
It will be pumped in water supplying pipe with liquid with clear water equipped with connecting rod for external water source to be connect by pipeline with water supply branch pipe.
Ortho acid liquid feed unit includes ortho acid liquid feed pipe and three acid solution feed-inputing branched pipes being connected to ortho acid liquid feed pipe；
It is equipped with connecting rod at the port of every acid solution feed-inputing branched pipe, for former acid liquor storage tank to be passed through pipeline and acid solution charging branch
Pipe connection, ortho acid liquid is pumped in ortho acid liquid feed pipe.
Composite multi-component acid solution charging/liquid additive feed unit includes that additive feed pipe and three feed with additive
The additive feed-inputing branched pipe of pipe connection；It is equipped with connecting rod at the port of every additive feed-inputing branched pipe, being used for will be compound more
First acid tank and/or additive holding vessel are connect by pipeline with acid solution feed-inputing branched pipe, by different composite multi-component acid and/or addition
Agent is pumped in additive feed pipe.
Liquid mixed cell includes screw pump IV, the mixed liquid pipe of rotational flow mixing device V and first and the second mixed liquid pipe；Tool
Body,
One end of second mixed liquid pipe and the liquid feeding end of screw pump IV are directly or by the middle part of pipeline and the first mixed liquid pipe
Connection；
The outlet end of screw pump IV and the liquid feeding end of rotational flow mixing device V are directly or by piping connection；IV pairs of screw pump
Mixing liquid carries out mixing pressurization, makes each liquid phase hybridized mixed and convey and mix for acid solution thereafter to provide power, screw pump
Power in the power unit IX hydraulic power supply, it is possible to provide the pump pressure not less than 10MPa, highest output displacement are reachable
12m3/min。
As shown in Fig. 2, rotational flow mixing device V includes outer cylinder 1, and from the liquid feeding end of outer cylinder 1 to outlet end and along same
The first screw rod body 2, the first current limliting the 3, second screw rod body 5 of comb and the second current limliting that axis is successively set in outer tube inner chamber are combed
6；Wherein,
Outer cylinder 1 is constituted by being threadedly coupled fixed upper cylinder and lower cylinder, and both ends are respectively equipped with liquid feeding end and outlet end；
First screw rod body 2 and the second screw rod body 5 are by screw shaft and along the helical blade of screw shaft being axially arranged
It constitutes, and the helical blade on the first screw rod body 2 is left hand helix blade, the helical blade on the second screw rod body 5 is the right side
Left hand helix blade；Two triangles of first screw rod body 2 and the second screw rod body 5 by being separately positioned on screw shaft both ends
Bracket is fixed in outer cylinder；As shown in figure 3, each A-frame is by installing and being fixed on the fixed ring 8 and three of screw shaft shaft end
Root is constituted along the uniformly distributed connecting rod 9 of fixed ring circumferencial direction, and one end of every connecting rod 9 is fixed on the outer wall of fixed ring, is another
One end is fixed on the inner wall of outer cylinder 1, makes the first screw rod body 2 and the second screw rod body 5 in a manner of being coaxially disposed with outer cylinder 1
It is fixed in outer cylinder 1；The outer diameter of the helical blade of first screw rod body 2 and the second screw rod body 5 is slightly less than the inner wall of outer cylinder 1；
First current limliting combs 3 adjacent to the setting of the first screw rod body 2, makes to stay between the first current limliting comb 3 and the second screw rod body 5
There is one end spacing distance, which forms the first hole chamber 4；Second current limliting combs 6 adjacent to the setting of the second screw rod body 5, makes
Second current limliting is combed there are one end spacing distance between 6 and the outlet end of outer cylinder 1, which forms the second hole chamber 7；Such as figure
Shown in 4, the first current limliting comb 3 and the second current limliting comb 6 as disc structure, along the circumferential direction offer 6 flowing holes thereon；First limit
The internal diameter of the outer diameter and outer cylinder 1 that flow comb 3 and the second current limliting comb 6 is adapted, and makes the outer wall of the first current limliting comb 3 and the second current limliting comb 6
It is weldingly fixed on the inner wall of outer cylinder 1；
Enter to first screw rod body 2 He of the pressurization acid solution by helical blade setting on the contrary in rotational flow mixing device V
Second screw rod body 5 become the acid solution of overcurrent eddy flow is contrary, the approximately equal fluid of discharge capacity, and filled by eddy flow
Divide mixing；Wherein, the first current limliting comb 3 and second current limliting flowing hole on 6 of combing make from the first spiral shell for causing the pressure difference of acid solution to change
Spinner handle body 2 and the acid solution fluid of the second screw rod body 5 output slow down suddenly, and then realize by the first current limliting comb 3 and the second current limliting
Combing, interior generation surge is mixed in the first hole chamber 4 and the second hole chamber 7 traveled further into respectively for the multiply acid solution fluid that 6 flow out
It closes, turbulence prediction and delay disperse, the further mixing of realization acid solution fluid；The sky of first hole chamber 4 and the second hole chamber 7
Between the demand prepared of volume and acid solution be adapted, to guarantee having enough blending spaces, provide guarantor for uniform mix of acid solution fluid
Barrier.
Detection unit includes liquid-measuring tube, and flow detector and acid strength the detection dress being arranged on liquid-measuring tube
It sets, for carrying out the detection of flow and acid strength to mixed acid solution, to guarantee to meet lotion requirement.
Lotion unit includes lotion pipe and four lotion branch pipes being connected to lotion pipe；Wherein, lotion pipe is cylindrical shape, can
As surge tank；It is equipped with connecting rod at the port of each lotion branch pipe, manages lotion branch pipe by connecting rod and construction
Road connection will be stored in lotion pipe qualified acidification and is pumped in construction pipeline with acid solution；One is additionally provided on lotion pipe
Blow-down pipe is used to be discharged acid solution remaining in tank after constructing, and guarantees cleaning in lotion and surge tank.
Pipeline connecting mode between above-mentioned each unit are as follows: the both ends of water supplying pipe are mixed with ortho acid liquid feed pipe and first respectively
One end of liquid pipe is connected to；The both ends of additive feed pipe are connected to the other end of ortho acid liquid feed pipe and the first mixed liquid pipe respectively；
One end of second mixed liquid pipe and the liquid feeding end of screw pump are connected to the first mixed liquid pipe, and the other end and ortho acid of the second mixed liquid pipe
The connection of liquid feed pipe；The outlet end of the liquid feeding end of liquid-measuring tube and rotational flow mixing device V directly or by piping connection, outlet end with
The liquid feeding end of lotion pipe is directly or by piping connection；It is formed and is connected by a liquid back pipe between the first mixed liquid pipe and liquid-measuring tube
Logical, specifically, one end of liquid back pipe is attached adjacent in the first mixed liquid pipe of screw pump, the other end is attached adjacent to lotion pipe
On liquid-measuring tube.Multiple deflectors are additionally provided on the inner wall of first mixed liquid pipe and the second mixed liquid pipe.
Control unit includes PLC controller, and setting adds in every water supply branch pipe, every acid solution feed-inputing branched pipe, every
Add the flow sensor and a hydraulic speed control valve on agent feed-inputing branched pipe and every lotion branch pipe, the flow in detection unit
Detection device and acid strength detection device are separately positioned on valve A, the ortho acid of the connectivity part of water supplying pipe and ortho acid liquid feed pipe
Valve B, the valve C in the second mixed liquid pipe, water supplying pipe and the ortho acid liquid of the connectivity part of liquid feed pipe and additive feed pipe are fed
The valve D of the connectivity part of the valve D of the connectivity part of pipe, liquid back pipe and the first mixed liquid pipe, the connectivity part of liquid back pipe and liquid-measuring tube
The valve F of the connectivity part of valve E, liquid-measuring tube and lotion pipe and the connectivity part that emptying manifold is arranged in are provided with valve G.It is above-mentioned each
Flow sensor, each hydraulic speed control valve, flow detector, acid strength detection device, valve A~G and screw pump are logical
It crosses signal transmssion line to connect with PLC controller, its working condition is controlled by PLC.Wherein, valve A~G is and has to change
Become the pushswitch valve of liquid flow direction.In addition, since the device is for acid solution preparation, flow sensor, fluid power tune
Section valve and valve A~G are both needed to do acidproof processing.
Power unit includes diesel generating set and the hydro-power pump that connect with diesel generating set, the hydraulic power
Pump is connect by pipeline with the screw pump and each hydraulic speed control valve respectively.Wherein, the pump pressure that hydro-power pump provides is answered
Meet job requirements.
The fracture acidizing liquid continuous mixing device must realize that process is as follows with liquid technique:
It is controlled by PLC control system, it can be according to the clear water of setting, ortho acid liquid, compound acid solution and/or additive equal proportion phase
The big minor adjustment conveying capacity of adjust automatically hydraulic speed control valve answered；Various liquid along multiple pipeline be pooled to supervisor converge, by eddy flow,
Surge, obtains preliminary mixed liquor；
Preliminary mixed acid solution enters screw pump, and mixed liquor is pressurized and is pumped by the screw pump that PLC control system controls
Enter rotational flow mixing device, initially enters and obtained in the swirl channel that the left hand helix body of rod 2 makes acid solution in screw body by eddy flow
Further mixing is flowed into the first sky 4 by the first current limliting comb 3, makes to be existed by the multiply acid solution fluid of 3 outflow of the first current limliting comb
Surge mixing occurs in subsequent first hole chamber 4 and is detained dispersion, realizes the further mixing of acid solution fluid, then again
The secondary inflow right hand helix body of rod 5 makes acid solution as contrary with the swirl channel inward eddy of the left hand helix body of rod 2, discharge capacity is close
As fluid, and further mixed by eddy flow, rear fluid is combed through the second current limliting and 6 flowed out in the second hole chamber 7, makes
Secondary surge mixing occurs in subsequent second hole chamber 7 and is detained to divide by the multiply acid solution fluid of 6 outflow of the second current limliting comb
It dissipates, the final final mixing for realizing acid solution fluid；
The acid solution that mixing is completed enters detection unit and carries out online Concentration Testing and online flow detection respectively, and according to inspection
Result is surveyed to select to enter lotion unit or be back to liquid mixed cell to re-start mixing；Specifically,
It (1), will be related when detection unit detects that acid strength is not able to satisfy and (is higher or lower than) detail design demand
Signal feedback recalculates related water to control unit, by control unit, the supplement of acid matches, while closing valve through control unit
Door G, it prevents underproof acid solution from entering lotion unit, opens valve E and valve F for unqualified acid solution through liquid back pipe pumped back
In first mixing tube, while by control unit according to water supplying unit, ortho acid liquid feed unit, composite multi-component acid solution charging/liquid
The flow value that additive feed unit measures in real time recalculates the supplement proportion of related water, acid, and adjusts the fluid power of each unit
The pump discharge of regulating valve supplements insufficient water or acid into mixed pipe line, it is ensured that the acid strength of final output reaches design
Standard；
(2) when detection unit detects that output acid solution flow cannot reach detail design discharge capacity, with the original of above situation
Coherent signal feedback to control unit is recalculated related water by control unit, the supplement of acid matches, rear structure adjusting by reason
Upstream water supplying unit, ortho acid liquid feed unit, composite multi-component acid solution charging/liquid additive feed unit hydraulic speed control valve are opened
Qi Du scales up the additive amount of each mixed liquid, it is ensured that final acid solution output quantity.
When the real-time detection result of detection unit meets construction demand, valve E and valve F is closed, opens valve G, it will
It prepares qualified acid solution and is pumped to lotion unit, and then be pumped in construction manifold.
The principles and effects of the utility model creation, and the reality that part uses only is illustrated in the above embodiments
Example is applied, is rather than limited the present invention；It should be pointed out that for those of ordinary skill in the art, not departing from this
Under the premise of utility model concept, various modifications and improvements can be made, these belong to the protection of the utility model
Range.
Claims (9)
1. a kind of fracture acidizing liquid continuous mixing device, which is characterized in that including liquid mixed cell；The liquid mixing is single
Member includes screw pump and rotational flow mixing device, and the rotational flow mixing device includes outer cylinder (1) and the liquid feeding end from the outer cylinder (1)
The first screw rod body (2) in outer tube inner chamber is successively set on to outlet end and along same axis, the first current limliting is combed (3), second
Screw rod body (5) and the second current limliting comb (6)；Wherein, the helical blade on first screw rod body (2) and second spiral
The hand of spiral of helical blade on the body of rod (5) is opposite；First current limliting is combed (3) and the second current limliting is combed (6) to be fixed on
The disk on outer cylinder (1) inner wall is stated, along the circumferential direction offers multiple flowing holes thereon；The outlet end of the screw pump with it is described
The liquid feeding end of rotational flow mixing device connects.
2. fracture acidizing according to claim 1 liquid continuous mixing device, which is characterized in that including water supplying unit, original
Acid solution feed unit, composite multi-component acid solution charging/liquid additive feed unit, liquid mixed cell, lotion unit；The confession
Water unit includes water supplying pipe and multiple water supply branch pipes being connected to the water supplying pipe；The ortho acid liquid feed unit includes ortho acid liquid
Feed pipe and multiple acid solution feed-inputing branched pipes being connected to the ortho acid liquid feed pipe；The composite multi-component acid solution charging/liquid adds
Adding agent feed unit includes additive feed pipe and multiple additive feed-inputing branched pipes being connected to the additive feed pipe；It is described
Liquid mixed cell further includes the first mixed liquid pipe and the second mixed liquid pipe；The lotion unit includes lotion pipe and the multiple and hair
The lotion branch pipe of liquid pipe connection；Wherein, the both ends of the water supplying pipe respectively with the ortho acid liquid feed pipe and the first mixed liquid
One end of pipe is connected to, and the both ends of the additive feed pipe are another with the ortho acid liquid feed pipe and the first mixed liquid pipe respectively
One end connection, one end of the second mixed liquid pipe and the liquid feeding end of the screw pump are connected to the described first mixed liquid pipe, and institute
The other end for stating the second mixed liquid pipe is connected to the ortho acid liquid feed pipe；The outlet end of the rotational flow mixing device and the lotion
Pipe connection.
3. fracture acidizing according to claim 2 liquid continuous mixing device, which is characterized in that mixed in the liquid single
Detection unit is additionally provided between the first and described lotion unit；The detection unit includes that be connected to the eddy flow mixed at both ends
Attach together the liquid-measuring tube between the outlet end set and the lotion pipe, and the flow detector being arranged on the liquid-measuring tube and
Acid strength detection device.
4. fracture acidizing according to claim 3 liquid continuous mixing device, which is characterized in that further include control unit；
Described control unit includes setting in the water supply branch pipe, the acid solution feed-inputing branched pipe, the additive feed-inputing branched pipe and described
Flow sensor and hydraulic speed control valve on lotion branch pipe, and it is separately positioned on the water supplying pipe and the ortho acid liquid feed pipe
The valve A of connectivity part, the ortho acid liquid feed pipe and the additive feed pipe connectivity part valve B, described second mixed
The valve D and the liquid-measuring tube of valve C, the water supplying pipe in liquid pipe and the connectivity part of the ortho acid liquid feed pipe with it is described
The valve F of the connectivity part of lotion pipe.
5. fracture acidizing according to claim 4 liquid continuous mixing device, which is characterized in that the first mixed liquid pipe and
Connection is formed by a liquid back pipe between the liquid-measuring tube, and is set in the connectivity part of the liquid back pipe and the first mixed liquid pipe
It is equipped with valve D, the connectivity part of the liquid back pipe and the liquid-measuring tube is provided with valve E.
6. fracture acidizing according to claim 4 liquid continuous mixing device, which is characterized in that also set on the lotion pipe
There is blow-down pipe, valve G is provided on the blow-down pipe.
7. according to the liquid continuous mixing device of fracture acidizing described in claim 4 or 5 or 6, which is characterized in that the screw rod
Pump, each flow sensor, each hydraulic speed control valve, each valve and flow detector and acid strength inspection
It surveys device and passes through PLC control.
8. fracture acidizing according to claim 4 liquid continuous mixing device, which is characterized in that further include power unit；
The power unit includes diesel generating set and the hydro-power pump that connect with diesel generating set, the hydro-power pump point
Not Tong Guo pipeline connect with the screw pump and each hydraulic speed control valve.
9. fracture acidizing according to claim 8 liquid continuous mixing device, which is characterized in that the water supplying unit, institute
State ortho acid liquid feed unit, the composite multi-component acid solution charging/liquid additive feed unit, the liquid mixed cell, institute
State detection unit, the lotion unit, the power unit and the equal skid-mounted type of described control unit be installed on one can transport flat panel
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821559861.3U CN209020314U (en) | 2018-09-25 | 2018-09-25 | Fracture acidizing liquid continuous mixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821559861.3U CN209020314U (en) | 2018-09-25 | 2018-09-25 | Fracture acidizing liquid continuous mixing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209020314U true CN209020314U (en) | 2019-06-25 |
Family
ID=66903933
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821559861.3U Expired - Fee Related CN209020314U (en) | 2018-09-25 | 2018-09-25 | Fracture acidizing liquid continuous mixing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209020314U (en) |
-
2018
- 2018-09-25 CN CN201821559861.3U patent/CN209020314U/en not_active Expired - Fee Related
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Effective date of registration: 20210224 Address after: 300457 Tianjin Binhai New Area Development Zone Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee after: CNPC Bohai Drilling Engineering Co.,Ltd. Patentee after: CHINA NATIONAL PETROLEUM Corp. Patentee after: CHINA NATIONAL PETROLEUM CORPORATION SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Address before: 300457 Tianjin Binhai New Area Development Zone Second Avenue 83, China Petroleum Tianjin building Bohai Drilling Engineering Co., Ltd. Patentee before: CNPC Bohai Drilling Engineering Co.,Ltd. Patentee before: CHINA NATIONAL PETROLEUM CORPORATION SCIENCE AND TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. |
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