CN110320134A - Proppant dynamic settling Fast Evaluation device and method - Google Patents
Proppant dynamic settling Fast Evaluation device and method Download PDFInfo
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- CN110320134A CN110320134A CN201810293637.2A CN201810293637A CN110320134A CN 110320134 A CN110320134 A CN 110320134A CN 201810293637 A CN201810293637 A CN 201810293637A CN 110320134 A CN110320134 A CN 110320134A
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- 238000000034 method Methods 0.000 title claims abstract description 62
- 238000011156 evaluation Methods 0.000 title claims abstract description 27
- 239000004576 sand Substances 0.000 claims abstract description 118
- 239000012530 fluid Substances 0.000 claims abstract description 88
- 238000005259 measurement Methods 0.000 claims abstract description 85
- 239000007788 liquid Substances 0.000 claims abstract description 78
- 238000003860 storage Methods 0.000 claims abstract description 64
- 230000008569 process Effects 0.000 claims abstract description 35
- 238000012806 monitoring device Methods 0.000 claims abstract description 26
- 238000012544 monitoring process Methods 0.000 claims abstract description 23
- 230000008676 import Effects 0.000 claims abstract description 10
- 239000000203 mixture Substances 0.000 claims abstract description 10
- 238000004891 communication Methods 0.000 claims abstract description 5
- 238000004064 recycling Methods 0.000 claims description 41
- 238000004062 sedimentation Methods 0.000 claims description 30
- 238000001802 infusion Methods 0.000 claims description 8
- 230000006641 stabilisation Effects 0.000 claims description 5
- 238000011105 stabilization Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 abstract description 8
- 238000009472 formulation Methods 0.000 abstract description 5
- 239000003795 chemical substances by application Substances 0.000 description 22
- 230000008021 deposition Effects 0.000 description 8
- 238000011160 research Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000004088 simulation Methods 0.000 description 5
- 238000013508 migration Methods 0.000 description 4
- 230000005012 migration Effects 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 239000011435 rock Substances 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000007405 data analysis Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009533 lab test Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000012800 visualization Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/04—Investigating sedimentation of particle suspensions
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Abstract
The present invention discloses a kind of proppant dynamic settling Fast Evaluation device and method, comprising: outstanding sand measures cylinder, and top is equipped with proppant entrance, and one end side wall for hanging sand measurement cylinder is equipped with fracturing fluid import, and the other end side wall opposite with one end side wall is exported equipped with fracturing fluid；A pair of of sieve, sieve are set to outstanding sand measurement cylinder interior；Liquid storage tank, liquid storage tank are equipped with liquid outlet for containing fracturing fluid, liquid storage tank；The entrance of topping-up pump, topping-up pump is connected to the liquid outlet of liquid storage tank, the outlet of topping-up pump and fracturing fluid inlet communication；Monitoring device, monitoring device are set to the outside of outstanding sand measurement cylinder, for monitoring the dynamic settling process of the proppant in outstanding sand measurement cylinder；The dynamic settling process of proppant is observed by monitoring device, record proppant is settled down to the time data in outstanding sand measurement cylinder bottom portion, to quickly determine proppant settlement law, preferably with configuration proppant material, the formulation for oil-gas reservoir reservoir reconstruction scheme provides convenience.
Description
Technical field
The invention belongs to oil development technical fields, fill more particularly, to a kind of proppant dynamic settling Fast Evaluation
It sets and method.
Background technique
During carrying out reservoir reconstruction, the settling character of proppant largely affects fracturing transformation effect, is
Rationally, efficiently preferred fracturing material and formulate reservoir reconstruction scheme, need sufficiently evaluate and understanding proppant settling character.
By dynamic settling rule of the research proppant under flow regime, assesses and recognize proppant in the sedimentation of target oil and gas reservoir
Feature is current more reliable efficient mode.Therefore it provides it is a kind of can Fast Evaluation proppant dynamic settling characteristic device
It is very necessary.
Patent " proppant sinking speed measuring device (CN201520401616.X) " includes container, wireless transmitter, nothing
Line receiver, controller calculate the sinking speed of proppant, which can measure proppant according to transmitting and received signal
Static sinking speed, but can not evaluate proppant dynamic settling rule.
Patent " a kind of to measure the device and its measurement method (CN201610952877.X) that proppant is distributed in rock stratum ",
Including cylindrical shell, hollow supporting body, fluxgate sensor mounting base etc., proppant is measured in rock stratum by magnetic induction method
Middle distribution situation, this method can measure migration rule of the proppant in rock stratum to a certain extent, but can not measure proppant
Dynamic settling rule.
Patent " simulation proppant is laid and the experimental provision and method (CN201610827564.1) of fracturing fluid recovery (backflow) " mentions
The apparatus structure of confession includes plate, frame, cabinet, water cavity etc., and by the intracorporal plate of movable case come simulation fracture, which can
Simulate proppant transverse direction on laying rule, can not Fast Evaluation go out the settling character of proppant in the longitudinal direction.
Patent " proppant settlement law dynamic analog device (CN201621067410.9) under visualization confining pressure state ", packet
Visualization man-made fracture frame plus confined pressure unit are included, using confined pressure unit is added, also by laying experiment of the proppant in man-made fracture
Under original to stratum reset pressure environment, but it can not simulate and study settlement law of the proppant under flow regime.
Patent " monitoring device (CN201520291768.9) of proppant settlement rate in static load fluid ", oil-gas geology
With recovery ratio/2012 year November, comprising: load fluid storage tank and proppant settle boiler-plate, and settling includes sealing in boiler-plate
Hollow outer barrel, outer cylinder body sidewall are equipped with multiple pressure taps, are settled outside boiler-plate using pressure test device test proppant
Pressure at each pressure tap of cylinder, determines the static rate of settling of proppant, but can not simulate proppant under flow regime
Dynamic settling process.
Document " sedimentation of shale gas reservoir fracturing propping agents and migration rule experimental study ", this article simulates operational discharge capacity, seam
The parameters fracture inner support agent sedimentation such as width, proppant partial size, fracturing fluid viscosity and sand ratio and migration rule influence, solve it is each because
For element to the correction factor of proppant sinking speed and Horizontal Movement speed, this method preliminary analysis and can calculate the sedimentation of proppant
Rule, it is difficult to accurately quickly obtain dynamic settling rule of the proppant on vertical.
Document " proppant settlement values are simulated in the shale fracture network based on Fluent ", the 8th national hydrodynamics
Academic meeting paper abstract collection 09 month/2014 years, this article be based on Fluent software fracture network in proppant infall process into
Row analog study considers the leak-off in several different fracture network forms and fracturing fluid flow process toward stratum, is supported
The distribution of agent particle speed and motion profile carry out simulation based on proppant infall process in Fluent software fracture network and grind
Study carefully, the agent particle speed that is supported distribution and motion profile, this method can migration of the Preliminary Simulation proppant in fracture network
Rule accurately can not quickly describe proppant dynamic settling rule.
Document " settling character of proppant in brittleness shale network fracture ", oil-gas geology and recovery ratio/2013 year 09 month,
It is derived theoretical formula, by way of calculated result and field data verifying, has studied proppant in brittleness shale network fracture
Settling character, the affecting laws that research crack complexity, the factors such as shale mixed bedding effect settle proppant, the party
Method can speculate the settlement law of proppant to a certain extent, but can not intuitive simulation proppant dynamic settling process, it is difficult to
Accurate research proppant dynamic settling rule.
In conclusion although the research for proppant settlement law is increasingly taken seriously, for proppant dynamic
The device and research method of settlement law Fast Evaluation need to research and develop still in blank.Therefore, change for on-site development and reservoir
Make demand, propose it is a kind of can rapid survey proppant dynamic settling rule device, to be fracturing material in reservoir reconstruction
It is preferred that and pressing crack construction scheme design provide guidance.
Summary of the invention
To solve the problems, such as that Oil Field can not quickly measure fracturing propping agents dynamic settling, providing one kind can Fast Evaluation
The device and method of proppant dynamic settling characteristic, it is accurate to recognize fracturing propping agents characteristic, guarantee the reasonable selection of fracturing material
And object support agent is evaluated and determined to the rational of Fracturing Project by measuring the dynamic settling characteristic of fracturing propping agents
Suspension and Deposition Characteristic, preferably with configuration proppant material, are oil-gas reservoir reservoir to quickly determine proppant settlement law
The formulation of modification scheme provides convenience.
To achieve the goals above, according to an aspect of the invention, it is proposed that a kind of proppant dynamic settling Fast Evaluation fills
It sets, which includes:
Outstanding sand measures cylinder, and the outstanding sand measurement cylinder is transparent pane body, and top is equipped with proppant entrance, and the outstanding sand is surveyed
One end side wall for determining cylinder is equipped with fracturing fluid import, and the other end side wall opposite with one end side wall is exported equipped with fracturing fluid；
A pair of of sieve, the sieve are set to the outstanding sand measurement cylinder interior, and with one end side wall and another side
Wall is arranged in parallel, and forms cavity with the outstanding sand measurement cylinder between the pair of sieve；
Liquid storage tank, the liquid storage tank are equipped with liquid outlet for containing fracturing fluid, the liquid storage tank；
Topping-up pump, the entrance of the topping-up pump are connected to the liquid outlet of the liquid storage tank, the outlet of the topping-up pump and institute
State fracturing fluid inlet communication；
Recycling can, the recycling can are equipped with inlet, the inlet and the fracturing fluid outlet, the recycling can
It is connected to the liquid storage tank；
Monitoring device, the monitoring device are set to the outside of the outstanding sand measurement cylinder, for monitoring the outstanding sand measurement
The dynamic settling process of proppant in cylinder.
Preferably, the liquid storage tank is transparent cylinder, and scale is indicated on barrel longitudinal direction, and the liquid storage tank is equipped with infusion
Mouthful；The recycling can is transparent cylinder, and scale is indicated on barrel longitudinal direction, and the recycling can is equipped with tap hole.
Preferably, the monitoring device is high-definition camera.
Preferably, the dynamic settling process of the proppant in the monitoring outstanding sand measurement cylinder includes:
Monitor first grain or first batch of proppant sedimentation time, the half sedimentation time in whole proppants, and all branch
Support the agent sedimentation time.
Preferably, the dynamic settling process of the proppant in the monitoring outstanding sand measurement cylinder includes:
Proppant is monitored above to be deposited in different time points to the ratio of the outstanding sand measurement cylinder bottom.
Preferably, the front surface of the outstanding sand measurement cylinder is longitudinally equipped with scale.
Preferably, the proppant entrance is equipped with rotation lid, and the proppant entrance is set to above the cavity.
According to another aspect of the invention, it is proposed that a kind of proppant dynamic settling fast appraisement method, the method includes
Following steps:
Fracturing fluid is configured, prepares proppant to be measured, records viscosity, the density, formula composition of fracturing fluid, record proppant
Partial size, quality, density and sphericity；
Liquid storage tank is added in fracturing fluid, by the way that topping-up pump makes fracturing fluid be circulated through liquid storage tank, outstanding sand measures cylinder, recycles
Tank, until circulating stabilization；
Proppant outstanding sand is poured by proppant entrance to measure in cylinder；
The dynamic settling process of proppant is observed by monitoring device.
Preferably, the dynamic settling process of the proppant in the monitoring outstanding sand measurement cylinder includes:
Monitor first grain or first batch of proppant sedimentation time, the half sedimentation time in whole proppants, and all branch
Support the agent sedimentation time.
Preferably, the dynamic settling process of the proppant in the monitoring outstanding sand measurement cylinder includes:
Proppant is monitored above to be deposited in different time points to the ratio of the outstanding sand measurement cylinder bottom.
Beneficial effect provided by the invention is:
1, hanging sand measurement cylinder is transparent pane body, and the inside for hanging sand measurement cylinder is equipped with and its side wall a pair of of sieve disposed in parallel
Net forms cavity with outstanding sand measurement cylinder between a pair of of sieve, and liquid storage tank is for containing fracturing fluid, by the liquid outlet of liquid storage tank and outstanding
Sand measures the fracturing fluid inlet communication of cylinder, and the pressure fluid outlet of outstanding sand measurement cylinder is connected to the inlet of recycling can, recycling can and
The connection of liquid storage tank, and fracturing fluid is circulated by topping-up pump, monitoring device is set to the outside of outstanding sand measurement cylinder, for supervising
The dynamic settling process for surveying the proppant in outstanding sand measurement cylinder, monitors the dynamic settling characteristic of proppant.
2, using proppant dynamic settling Fast Evaluation device, liquid storage tank is added in fracturing fluid, pressure break is made by topping-up pump
Liquid recycle stream crosses liquid storage tank, outstanding sand measurement cylinder, recycling can, and until circulating stabilization, proppant is poured into outstanding sand measurement cylinder, surveyed
Fixed dynamic settling speed of the different proppants in different fracturing fluids, changes simultaneously the discharge capacity of topping-up pump, measures under different displacements
The deposition rule of proppant in outstanding sand measurement cylinder observes the dynamic settling process of proppant, record support by monitoring device
Agent is settled down to the deposition fraction of proppant in the time data and different time points in outstanding sand measurement cylinder bottom portion, to quickly determine
Proppant settlement law, preferably with configuration proppant material, the formulation for oil-gas reservoir reservoir reconstruction scheme provides convenience.
Other features and advantages of the present invention will then part of the detailed description can be specified.
Detailed description of the invention
Exemplary embodiment of the present is described in more detail in conjunction with the accompanying drawings, of the invention is above-mentioned and other
Purpose, feature and advantage will be apparent.Wherein, in the exemplary embodiment, identical reference label typically represents phase
Same component.
Fig. 1 shows the structural schematic diagram of the proppant dynamic settling Fast Evaluation device in one embodiment of the invention.
Fig. 2 shows the flow charts of the proppant dynamic settling fast appraisement method in one embodiment of the invention.
Description of symbols:
1, it hangs sand and measures cylinder；2, sieve；3, liquid storage tank；4, topping-up pump；5, fracturing fluid import；6, fracturing fluid exports；7, it returns
Closed cans；8, valve；9, infusion port；10, tap hole；11, rotation lid；12, fixing bolt.
Specific embodiment
The preferred embodiment that the present invention will be described in more detail below with reference to accompanying drawings.Although being shown in attached drawing of the invention
Preferred embodiment, however, it is to be appreciated that may be realized in various forms the present invention, without that should be limited by embodiments set forth here
System.On the contrary, thesing embodiments are provided so that the present invention is more thorough and complete, and can be complete by the scope of the present invention
Ground is communicated to those skilled in the art.
The embodiment of the present invention provides a kind of proppant dynamic settling Fast Evaluation device, comprising: outstanding sand measures cylinder, hangs sand
Measurement cylinder is transparent pane body, and top is equipped with proppant entrance, and one end side wall for hanging sand measurement cylinder is equipped with fracturing fluid import, with
Side wall opposite other end side wall in one end is exported equipped with fracturing fluid；A pair of of sieve, sieve are set to outstanding sand measurement cylinder interior, and with
One end side wall and other end side wall are arranged in parallel, and form cavity with outstanding sand measurement cylinder between a pair of of sieve；Liquid storage tank, liquid storage tank are used
In containing fracturing fluid, liquid storage tank is equipped with liquid outlet；The entrance of topping-up pump, topping-up pump is connected to the liquid outlet of liquid storage tank, topping-up pump
Outlet and fracturing fluid inlet communication；Recycling can, recycling can are equipped with inlet, inlet and fracturing fluid outlet, recycling can
It is connected to liquid storage tank；Monitoring device, monitoring device are set to the outside of outstanding sand measurement cylinder, for monitoring the branch in outstanding sand measurement cylinder
Support the dynamic settling process of agent.
Outstanding sand measurement cylinder is transparent pane body, and the inside for hanging sand measurement cylinder is equipped with a pair of of sieve, between a pair of of sieve with institute
It states outstanding sand measurement cylinder and forms cavity, fracturing fluid hangs sand from the inflow of fracturing fluid import and measures cylinder, flows through a pair of outstanding sand measurement cylinder
It after sieve, exports and flows out from fracturing fluid, after the fracturing fluid of outstanding sand measurement cylinder, which flows, to be stablized, proppant is poured into cavity, chamber
The sieve of body two sides can prevent proppant from flowing in recycling can and pressure break liquid pipeline with fracturing fluid, and pipeline is avoided to be supported agent
Blocking.
Liquid storage tank flows into recycling can, recycling for containing fracturing fluid after the fracturing fluid in liquid storage tank is pumped into outstanding sand measurement cylinder
Tank is connected to liquid storage tank, and circulates fracturing fluid by topping-up pump, and monitoring device is set to the outside of outstanding sand measurement cylinder, is used
In the dynamic settling process and settling character that monitor the proppant in the outstanding sand measurement cylinder.
Preferably, liquid storage tank is transparent cylinder, and scale is indicated on barrel longitudinal direction, and liquid storage tank is equipped with infusion port,
Recycling can is transparent cylinder, and scale is indicated on barrel longitudinal direction, and recycling can is equipped with tap hole.
Specifically, infusion port is set to the bottom of liquid storage tank, and fracturing fluid is from infusion port injection liquid storage tank, the quarter of barrel
Degree is for measuring the total volume of injection fracturing fluid, and after proppant to be measured all deposits, infusion port be can be used in liquid storage tank
Fracturing fluid discharge；Tap hole is set to the bottom of recycling can, and after proppant to be measured all deposits, tap hole is used for recycling can
In fracturing fluid discharge.
Preferably, monitoring device is high-definition camera, and high-definition camera pixel is 380,000 or more.
Specifically, high-definition camera is directed at the cavity of outstanding sand measurement cylinder, can clearly record branch by high-definition camera
Support agent dynamic settling process in the fracturing fluid of steady flow, and be deposited to the time data in outstanding sand measurement cylinder bottom portion, by when
Between data carry out data analysis, be capable of Fast Evaluation proppant and determine object support agent suspension and Deposition Characteristic.
It is further preferable that the outlet of topping-up pump and fracturing fluid import are by pipeline connection, pipeline is equipped with valve；Fracturing fluid
Connecting line between outlet and recycling can is equipped with valve, and the pipeline between liquid storage tank and recycling can is equipped with valve.
Preferably, monitoring the dynamic settling process that outstanding sand measures the proppant in cylinder includes:
First grain or first batch of proppant sedimentation time are monitored, the half sedimentation time in whole proppants and all support
The agent sedimentation time.
Preferably, monitoring the dynamic settling process that outstanding sand measures the proppant in cylinder includes:
Proppant is monitored above to be deposited in different time points to the ratio of outstanding sand measurement cylinder bottom.
Preferably, the front surface for hanging sand measurement cylinder is longitudinally equipped with scale, for monitoring proppant in fracturing fluid
Deposition position and deposition rule.
Preferably, proppant entrance is equipped with rotation lid, and proppant entrance is set to above cavity.
The rotation lid of proppant entrance is rotated, proppant easily can be poured into outstanding sand and measure cylinder, rotation lid passes through branch
The shaft and the spring in shaft for supportting agent entrance are set to proppant entrance, can be automatically rotated to and close proppant entrance, branch
Support agent entrance is set to above cavity, convenient for pouring into proppant in the cavity between outstanding sand measurement cylinder and a pair of of sieve.
It is measured in cylinder it is further preferable that a pair of of sieve is fixed on outstanding sand by fixing bolt, it can be detachable by fixing bolt
Sieve is set in outstanding sand measurement cylinder.
According to another aspect of the invention, it is proposed that a kind of method of proppant dynamic settling Fast Evaluation, this method include
Following steps:
Step 1: configuration fracturing fluid prepares proppant to be measured, records viscosity, the density, formula composition of fracturing fluid, records
Partial size, quality, density and the sphericity of proppant；
Step 2: being added liquid storage tank for fracturing fluid, so that fracturing fluid is circulated through liquid storage tank, outstanding sand measurement by topping-up pump
Cylinder, recycling can, until circulating stabilization；
Step 3: proppant is poured by outstanding sand by proppant entrance and is measured in cylinder；
Step 4: the dynamic settling process of proppant is observed by monitoring device.
Preferably, monitoring the dynamic settling process that outstanding sand measures the proppant in cylinder includes:
Monitor first grain or first batch of proppant sedimentation time, the half sedimentation time in whole proppants, and all branch
The agent sedimentation time is supportted, thus dynamic settling of the Fast Evaluation difference proppant in different fracturing fluids and the fracturing fluid of different displacements
Speed.
Preferably, monitoring the dynamic settling process that outstanding sand measures the proppant in cylinder includes:
Proppant is monitored above to be deposited in different time points to the ratio of outstanding sand measurement cylinder bottom.
Specifically, monitoring proppant is deposited in various time points to the ratio of outstanding sand measurement cylinder bottom；Or different supports
The proppant of three kinds of large, medium and small partial sizes is mixed in agent, the proppant sedimentation of three kinds of different-grain diameters is upper heavy in different time points
Product measures the ratio of cylinder bottom to outstanding sand.
This method utilizes proppant dynamic settling Fast Evaluation device, and liquid storage tank is added in fracturing fluid, is made by topping-up pump
Fracturing fluid is circulated through liquid storage tank, outstanding sand measurement cylinder and recycling can and pours into proppant outstanding until the flowing of fracturing fluid stable circulation
Sand measures in cylinder, and the dynamic settling process of proppant is observed by monitoring device, and record proppant is settled down to outstanding sand measurement cylinder bottom
It is heavy to measure dynamic of the different proppants in different fracturing fluids to quickly determine proppant settlement law for the time data in portion
Drop quickly, changes simultaneously the discharge capacity of topping-up pump, measures the deposition rule that the proppant in sand measurement cylinder is hanged under different displacements, preferably
With configuration proppant material, the formulation for oil-gas reservoir reservoir reconstruction scheme provides convenience.
The device and method is mainly used in the fast of full proppant dynamic settling rule in oil gas field scene and laboratory experiment
Fast evaluation analysis obtains dynamic settling rule of the different proppants in different load fluids, in oil gas field scene and laboratory experiment
In have broad application prospects.
Embodiment 1
Fig. 1 shows the structural schematic diagram of the proppant dynamic settling Fast Evaluation device in one embodiment of the invention.
As shown in Figure 1, embodiment provides a kind of proppant dynamic settling Fast Evaluation device, comprising:
Outstanding sand measures cylinder 1, and hanging sand measurement cylinder 1 is transparent pane body, and top is equipped with proppant entrance, and proppant entrance is set
Have rotation lid 11, the front surface of outstanding sand measurement cylinder 1 is longitudinally equipped with scale, hang sand measurement cylinder 1 one end side wall be equipped with fracturing fluid into
Mouth 5, the other end side wall opposite with one end side wall are equipped with fracturing fluid outlet 6；A pair of of sieve 2, sieve 2 are set to outstanding sand measurement cylinder
It inside 1, and is arranged in parallel with one end side wall and other end side wall, forms cavity, branch with outstanding sand measurement cylinder 1 between a pair of of sieve 2
Support agent entrance is set to above cavity, and a pair of of sieve 2 is fixed on outstanding sand by fixing bolt 12 and measures in cylinder 1；Liquid storage tank 3, liquid storage
Tank 3 is equipped with liquid outlet for containing fracturing fluid, liquid storage tank 3；Topping-up pump 4, the entrance of topping-up pump 4 and the liquid outlet of liquid storage tank 3 connect
Logical, the outlet of topping-up pump 4 is connected to fracturing fluid import 5；Recycling can 7, recycling can 7 are equipped with inlet, and inlet goes out with fracturing fluid
Mouth 6 is connected to, and recycling can 7 is connected to liquid storage tank 4；Monitoring device, monitoring device (not shown in figure 1) are set to outstanding sand measurement cylinder 1
Outside, for monitoring the dynamic settling process of the proppant in outstanding sand measurement cylinder 1, monitoring device is high-definition camera.
The dynamic settling process for monitoring the proppant in outstanding sand measurement cylinder 1 includes: to monitor first grain or the sedimentation of first batch of proppant
Time, the half sedimentation time in whole proppants, and whole proppant sedimentation times and/or monitoring proppant are in difference
It is deposited on time point to the ratio of outstanding sand measurement cylinder bottom 1.
Wherein, the length for hanging sand measurement cylinder is 1-1.5m, width 0.8-1.2m, is highly 0.8-1.2m, proppant enters
Rounded, the diameter 0.4-0.6m of mouth；Liquid storage fills cylindrical, a diameter of 1-1.5m, is highly 1-1.5m, recycling can and liquid storage
It is identical to fill specification.
Liquid storage tank 3 is transparent cylinder, and scale is indicated on barrel longitudinal direction, and liquid storage tank 3 is equipped with infusion port 9, and recycling can 3 is
Bright cylinder indicates scale on barrel longitudinal direction, and recycling can 3 is equipped with tap hole 10, and the outlet and fracturing fluid import 5 of topping-up pump 4 are logical
Pipeline connection is crossed, pipeline is equipped with valve 8.
The liquid outlet of liquid storage tank 3 is connected to the fracturing fluid import 5 of outstanding sand measurement cylinder 1, the pressure fluid of outstanding sand measurement cylinder 1 goes out
Mouth 6 is connected to the inlet of recycling can 7, and recycling can 7 is connected to liquid storage tank 3, and circulates fracturing fluid by topping-up pump 4,
Monitoring device is set to the outside of outstanding sand measurement cylinder 1, for monitoring the dynamic settling process of the proppant in outstanding sand measurement cylinder 1,
Monitor the dynamic settling characteristic of proppant.
Embodiment 2
Fig. 2 shows the flow charts of the proppant dynamic settling fast appraisement method in one embodiment of the invention.
As shown in Fig. 2, embodiment provides a kind of proppant dynamic settling fast appraisement method, this method includes following step
It is rapid:
Step 1: configuration fracturing fluid prepares proppant to be measured, records viscosity, the density, formula composition of fracturing fluid, records
Partial size, quality, density and the sphericity of proppant；
Fracturing fluid is configured, the proppant to be measured is prepared, records viscosity, mu, density p, the formula composition of experiment fracturing fluid,
Record proppant partial size, quality m, density p and sphericity.
Attachment device closes outstanding sand measurement cylinder and recycling tank valve, sieve is moved to outstanding sand and measures cylinder both ends, with fixation
Bolt is fixed.
Step 2: being added liquid storage tank for fracturing fluid, so that fracturing fluid is circulated through liquid storage tank, outstanding sand measurement by topping-up pump
Cylinder, recycling can, until circulating stabilization；
Fracturing fluid is poured into liquid storage filling, records fracturing fluid volume V1, fracturing fluid is pumped into outstanding sand and measures cylinder, pump by topping-up pump
Enter V2=1/3V1Stop being pumped into after volume.
Outstanding sand measurement cylinder and recycling tank valve are opened, topping-up pump continues to measure in cylinder to outstanding sand to be pumped into certain discharge capacity Q
Fracturing fluid.
Step 3: proppant is poured by outstanding sand by proppant entrance and is measured in cylinder；
After flowing and stablizing, the rotation mouth on outstanding sand measurement cylinder top is unscrewed, the proppant that quality is m is poured into outstanding sand and measures cylinder
In.
Step 4: the dynamic settling process of proppant is observed by monitoring device.
Monitoring the dynamic settling process that outstanding sand measures the proppant in cylinder includes:
Monitor first grain or first batch of proppant sedimentation time t1, 1/2m proppant sedimentation time t2, and when whole proppant sedimentations
Between t3。
Point t between monitoring1、t2And t3Upper proppant is deposited to the ratio m of outstanding sand measurement cylinder bottom1、m2And m3。
Step 5: it after core test, cleans outstanding sand and measures cylinder；
Stop topping-up pump after to be supported dose of whole sedimentations, release fracturing fluid in liquid storage tank and recycling can, opens outstanding sand and measure
Cylinder takes out sieve, and clear water is poured into liquid storage tank, closes the valve between recycling can and liquid storage tank, opens topping-up pump and washes out support
Agent, cleaning device separate test equipment, and record data copy is gone out computer, carries out data analysis.
Step 2 is repeated to step 5, changes discharge capacity Q, measures the settlement law of proppant under different displacements；
Step 1 is repeated to step 5, measures dynamic settling rule of the different proppants in different load fluids；
The dynamic settling process of proppant is observed by monitoring device, record proppant is settled down to outstanding sand measurement cylinder bottom portion
It is fast to measure dynamic settling of the different proppants in different fracturing fluids to quickly determine proppant settlement law for time data
Speed changes simultaneously the discharge capacity of topping-up pump, measures the deposition rule for hanging the proppant in sand measurement cylinder under different displacements, preferably and matches
Proppant material is set, the formulation for oil-gas reservoir reservoir reconstruction scheme provides convenience.
Various embodiments of the present invention are described above, above description is exemplary, and non-exclusive, and
It is not limited to disclosed each embodiment.Without departing from the scope and spirit of illustrated each embodiment, for this skill
Many modifications and changes are obvious for the those of ordinary skill in art field.
Claims (10)
1. a kind of proppant dynamic settling Fast Evaluation device, which is characterized in that the device includes:
Outstanding sand measures cylinder, and the outstanding sand measurement cylinder is transparent pane body, and top is equipped with proppant entrance, and the outstanding sand measures cylinder
One end side wall be equipped with fracturing fluid import, the other end side wall opposite with one end side wall be equipped with fracturing fluid outlet；
A pair of of sieve, the sieve are set to the outstanding sand measurement cylinder interior, and flat with one end side wall and other end side wall
Row is arranged, and forms cavity with the outstanding sand measurement cylinder between the pair of sieve；
Liquid storage tank, the liquid storage tank are equipped with liquid outlet for containing fracturing fluid, the liquid storage tank；
Topping-up pump, the entrance of the topping-up pump are connected to the liquid outlet of the liquid storage tank, the outlet of the topping-up pump and the pressure
Split liquid inlet communication；
Recycling can, the recycling can are equipped with inlet, the inlet and the fracturing fluid outlet, the recycling can and institute
State the connection of liquid storage tank；
Monitoring device, the monitoring device are set to the outside of the outstanding sand measurement cylinder, for monitoring in the outstanding sand measurement cylinder
Proppant dynamic settling process.
2. proppant dynamic settling Fast Evaluation device according to claim 1, which is characterized in that the liquid storage tank is
Bright cylinder, scale is indicated on barrel longitudinal direction, and the liquid storage tank is equipped with infusion port；The recycling can is transparent cylinder, barrel
Scale is indicated on longitudinal direction, the recycling can is equipped with tap hole.
3. proppant dynamic settling Fast Evaluation device according to claim 1, which is characterized in that the monitoring device is
High-definition camera.
4. proppant dynamic settling Fast Evaluation device according to claim 1, which is characterized in that the monitoring is described outstanding
The dynamic settling process of proppant in sand measurement cylinder includes:
Monitor first grain or first batch of proppant sedimentation time, the half sedimentation time in whole proppants, and whole proppants
Sedimentation time.
5. proppant dynamic settling Fast Evaluation device according to claim 1, which is characterized in that the monitoring is described outstanding
The dynamic settling process of proppant in sand measurement cylinder includes:
Proppant is monitored above to be deposited in different time points to the ratio of the outstanding sand measurement cylinder bottom.
6. proppant dynamic settling Fast Evaluation device according to claim 1, which is characterized in that the outstanding sand measures cylinder
Front surface be longitudinally equipped with scale.
7. proppant dynamic settling Fast Evaluation device according to claim 1, which is characterized in that the proppant entrance
It is covered equipped with rotation, the proppant entrance is set to above the cavity.
8. a kind of proppant dynamic settling fast appraisement method utilizes proppant described according to claim 1 any one of -7
Dynamic settling Fast Evaluation device, which is characterized in that described method includes following steps:
Fracturing fluid is configured, prepares proppant to be measured, records viscosity, the density, formula composition of fracturing fluid, record the grain of proppant
Diameter, quality, density and sphericity；
Liquid storage tank is added in fracturing fluid, so that fracturing fluid is circulated through liquid storage tank, outstanding sand measurement cylinder, recycling can by topping-up pump, directly
To circulating stabilization；
Proppant outstanding sand is poured by proppant entrance to measure in cylinder；
The dynamic settling process of proppant is observed by monitoring device.
9. the proppant dynamic settling fast appraisement method according to claim 8, which is characterized in that monitor first grain
Or first batch of proppant sedimentation time, the half sedimentation time in whole proppants, and whole proppant sedimentation times.
10. proppant dynamic settling fast appraisement method according to claim 8, which is characterized in that described in the monitoring
The dynamic settling process of proppant in outstanding sand measurement cylinder includes:
Proppant is monitored above to be deposited in different time points to the ratio of the outstanding sand measurement cylinder bottom.
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Application publication date: 20191011 |