CN109236260A - A kind of hydro-jet fracturing technology imitative experimental appliance and application method - Google Patents
A kind of hydro-jet fracturing technology imitative experimental appliance and application method Download PDFInfo
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- CN109236260A CN109236260A CN201811376431.2A CN201811376431A CN109236260A CN 109236260 A CN109236260 A CN 109236260A CN 201811376431 A CN201811376431 A CN 201811376431A CN 109236260 A CN109236260 A CN 109236260A
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- 238000005516 engineering process Methods 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims description 16
- 239000007788 liquid Substances 0.000 claims abstract description 122
- 238000004088 simulation Methods 0.000 claims abstract description 35
- 238000005192 partition Methods 0.000 claims abstract description 15
- 238000005086 pumping Methods 0.000 claims abstract 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000002474 experimental method Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 238000002347 injection Methods 0.000 abstract description 5
- 239000007924 injection Substances 0.000 abstract description 5
- 238000004451 qualitative analysis Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000004458 analytical method Methods 0.000 description 2
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B34/00—Valve arrangements for boreholes or wells
- E21B34/02—Valve arrangements for boreholes or wells in well heads
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Jet Pumps And Other Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The present invention relates to a kind of hydro-jet fracturing technology imitative experimental appliances, including inner tube, outer tube, screw pump, upper flume and lower flume, inner pipe portion is nested in outer tube, the top side wall of inner tube is equipped with inlet, inlet is connected to upper flume by inlet tube, inner tube end side wall is equipped with liquid outlet, and outer tube top, bottom sidewall are respectively equipped with liquid outlet, lower liquid outlet, and upper liquid outlet, lower liquid outlet are connected to upper flume, lower flume by upper outlet tube, lower outlet tube respectively；Inlet tube pipeline is equipped with first pressure gauge, screw pump, and upper outlet tube pipeline is equipped with second pressure gauge, and lower outlet tube pipeline is equipped with first throttle valve and third pressure gauge；It is horizontal in lower flume to be equipped with partition, it is equipped with hydraulic pump at the top of lower flume, partition can move down under hydraulic pumping action along groove sidewall is lauched.The present invention can meet to different borehole sizes, string size, operational discharge capacity, liquid resistance-reducing yield, tool shut off ability, shaft bottom confining pressure environment injection pressure break processing simulation.
Description
Technical field
The invention belongs to oil-gas reservoir completion technique field more particularly to a kind of hydro-jet fracturing technology imitative experimental appliances
And application method.
Background technique
Hydraulic jetting fracturing technology can effectively employ reservoir reserves especially suitable for Thin oil sandwich fracturing reform, for
Xin Jing and old well all have good adaptability, in recent years in the market success application such as Su Lige, Ji Dong, Hainan, fracturing effect
It is substantially better than other separate stratum fracfturing modes.But will appear in application process deep-well it is low replace, circulating pressure is excessively high in perforating process
Even superpressure, lead to the problems such as constructional difficulties, can not intuitive qualitative analysis, need to build experimental system for simulating.
Therefore, these problems are based on, a kind of hydro-jet fracturing technology imitative experimental appliance and application method are provided, can be expired
Foot shuts off the injection of ability, shaft bottom confining pressure environment to different borehole sizes, string size, operational discharge capacity, liquid resistance-reducing yield, tool
Fracturing technology simulation, facilitates the similar problem occurred in qualitative analysis site operation, has important practical significance.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide one kind can meet to different borehole sizes, tubing string
Size, operational discharge capacity, liquid resistance-reducing yield, tool shut off ability, shaft bottom confining pressure environment injection pressure break processing simulation, it is fixed to facilitate
Property analysis site operation in the hydro-jet fracturing technology imitative experimental appliance and application method of the similar problem that occur.
The present invention solves its technical problem and adopts the following technical solutions to achieve:
A kind of hydro-jet fracturing technology imitative experimental appliance, including inner tube, outer tube, screw pump, upper flume and lower flume,
Said inner tube part is nested in the outer tube, and the top side wall of said inner tube is equipped with inlet, and the inlet passes through feed liquor
Pipe is connected to the upper flume, and said inner tube end side wall is equipped with liquid outlet, and the outer tube top, bottom sidewall are respectively equipped with
Upper liquid outlet, lower liquid outlet, the upper liquid outlet, lower liquid outlet respectively by upper outlet tube, lower outlet tube be connected to upper flume,
Lower flume；
The inlet tube pipeline is equipped with first pressure gauge, screw pump, and the upper outlet tube pipeline is equipped with second pressure
Table, the lower outlet tube pipeline are equipped with first throttle valve and third pressure gauge；The screw pump absorbs water entrance out of upper flume
Inner tube, liquid enters outer tube through the liquid outlet of inner tube and is discharged to upper flume by outer tube and upper outlet tube, to constitute cyclic system
System；
It is horizontal in the lower flume to be equipped with partition, hydraulic pump is equipped at the top of the lower flume, the partition is made in hydraulic pump
It can be moved down along groove sidewall is lauched under.
Further, the screw pump is equipped with frequency converter.
Further, the liquid outlet is equipped with second throttle.
The application method of hydro-jet fracturing technology imitative experimental appliance:
(1) processing simulation that different wellbores, string size combine
Screw pump is opened absorb water out of upper flume into inner tube, liquid through the liquid outlet of inner tube enter outer tube and by outer tube and
Upper outlet tube is discharged to upper flume, to constitute the circulatory system, the first throttle valve under outer tube on subordinate's outlet tube is in and is closed
Closed state, by record first pressure gauge, second pressure gauge, the registration of third pressure gauge come investigate inner tube inlet pressure,
Pressure on outer tube top under the pressure of liquid outlet, outer tube at subordinate's liquid outlet；In being adjusted by replacement inner tube or appearance
Bore, inner tube outside diameter, outer tube diameter, inner tube length, outer tube length dimension carry out different groups of experiments, to realize to difference
The processing simulation of wellbore, string size portfolio ratio；
(3) to the processing simulation of different operational discharge capacities
Screw pump is opened absorb water out of upper flume into inner tube, liquid through the liquid outlet of inner tube enter outer tube and by outer tube and
Upper outlet tube is discharged to upper flume, to constitute the circulatory system, the throttle valve under outer tube on subordinate's outlet tube is in and closes shape
State investigates pressure, the outer tube of inner tube inlet by record first pressure gauge, second pressure gauge, the registration of third pressure gauge
Pressure on top under the pressure of liquid outlet, outer tube at subordinate's liquid outlet；Pass through turning for frequency converter adjusting screw rod pump frequency conversion motor
Number, and then realize the experiment of different liquids discharge capacity, to realize the processing simulation to different operational discharge capacities；
(3) processing simulation of liquid resistance-reducing yield
Screw pump is opened absorb water out of upper flume into inner tube, liquid through the liquid outlet of inner tube enter outer tube and by outer tube and
Upper outlet tube is discharged to upper flume, to constitute the circulatory system, the throttle valve under outer tube on subordinate's outlet tube is in and closes shape
State investigates pressure, the outer tube of inner tube inlet by record first pressure gauge, second pressure gauge, the registration of third pressure gauge
Pressure on top under the pressure of liquid outlet, outer tube at subordinate's liquid outlet；By the way that inhomogeneity is added in the liquid into upper flume
Type friction reducer, so as to adjust the liquid resistance-reducing yield in the circulatory system, to realize different resistance-reducing yields to the processing simulation of pipeline frictional resistance；
(4) shut off the processing simulation of ability to tool
Screw pump is opened absorb water out of upper flume into inner tube, liquid through the liquid outlet of inner tube enter outer tube and by outer tube and
Upper outlet tube is discharged to upper flume, to constitute the circulatory system, the throttle valve under outer tube on subordinate's outlet tube is in and closes shape
State investigates pressure, the outer tube of inner tube inlet by record first pressure gauge, second pressure gauge, the registration of third pressure gauge
Pressure on top under the pressure of liquid outlet, outer tube at subordinate's liquid outlet；The second throttling on liquid outlet by controlling inner tube
The aperture of valve realizes influence of the simulation tool throttling capacity to pipeline frictional resistance；
(5) processing simulation of shaft bottom confining pressure environment
Screw pump is opened absorb water out of upper flume into inner tube, liquid through the liquid outlet of inner tube enter outer tube and by outer tube and
Upper outlet tube is discharged to upper flume, to constitute the circulatory system, the throttle valve under outer tube on subordinate's outlet tube is in open shape
State investigates pressure, the outer tube of inner tube inlet by record first pressure gauge, second pressure gauge, the registration of third pressure gauge
Pressure on top under the pressure of liquid outlet, outer tube at subordinate's liquid outlet；By hydraulic pump to the above space of partition in lower flume
It suppresses, pressurizes to be lauched groove sidewall by partition edge and move downward to liquid, to realize different shaft bottoms in site operation
Processing simulation under confining pressure environment.
The advantages and positive effects of the present invention are:
Hydro-jet fracturing technology imitative experimental appliance provided by the invention can meet to different borehole sizes, tubing string ruler
Very little, operational discharge capacity, liquid resistance-reducing yield, tool shut off ability, shaft bottom confining pressure environment injection pressure break processing simulation, facilitate qualitative
The similar problem occurred in analysis site operation.
Detailed description of the invention
Technical solution of the present invention is described in further detail below with reference to drawings and examples, but should
Know, these attached drawings are designed for task of explanation, therefore not as the restriction of the scope of the invention.In addition, except non-specifically
It points out, these attached drawings are meant only to conceptually illustrate structure construction described herein, without to be drawn to scale.
Fig. 1 is the structural schematic diagram of hydro-jet fracturing technology imitative experimental appliance provided in an embodiment of the present invention；
In figure:
1, inner tube 2, outer tube 3, liquid outlet
4, first pressure gauge 5, screw pump 6, frequency converter
7, inlet tube 8, second pressure gauge 9, upper outlet tube
10, third pressure gauge 11, first throttle valve 12, lower outlet tube
13, upper flume 14, hydraulic pump 15, partition
16, lower flume 17, inlet 18, upper liquid outlet
19, lower liquid outlet 20, second throttle
Specific embodiment
Firstly, it is necessary to which explanation, illustrates specific structure of the invention, feature and excellent for by way of example below
Point etc., however what all descriptions were intended merely to be illustrated, and should not be construed as to present invention formation any restrictions.This
Outside, any single technical characteristic for being described by or implying in each embodiment mentioned by this paper, still can be in these technologies spy
Continue any combination between sign (or its equivalent) or delete, to obtain the sheet that may do not referred to directly herein
More other embodiments of invention.
It should be noted that term used herein above is merely to describe specific embodiment, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singular
Also it is intended to include plural form, in addition, term " includes " and " having " and their any deformation, it is intended that covering is not arranged
His includes, for example, the process, method, system, product or equipment for containing a series of steps or units are not necessarily limited to clearly
Those of list step or unit, but may include be not clearly listed or for these process, methods, product or equipment
Intrinsic other step or units.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, or be somebody's turn to do
Invention product using when the orientation or positional relationship usually put, be merely for convenience of description of the present invention and simplification of the description, without
It is that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, therefore not
It can be interpreted as limitation of the present invention.In addition, term " first ", " second ", " third " etc. are only used for distinguishing description, and cannot manage
Solution is indication or suggestion relative importance.
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.
The present invention just is illustrated in conjunction with Fig. 1 below.
Embodiment 1
Fig. 1 is the structural schematic diagram of hydro-jet fracturing technology imitative experimental appliance provided in an embodiment of the present invention；Such as Fig. 1
It is shown, a kind of hydro-jet fracturing technology imitative experimental appliance provided in this embodiment, including inner tube 1, outer tube 2, screw pump 5,
Upper flume 13 and lower flume 16,1 part of said inner tube are nested in the outer tube 2, and the top side wall of said inner tube 1 is equipped with feed liquor
Mouth 17, the inlet 17 are connected to the upper flume 13 by inlet tube 7, and 1 end side wall of said inner tube is equipped with liquid outlet
3,2 top of outer tube, bottom sidewall are respectively equipped with liquid outlet 18, lower liquid outlet 19, the upper liquid outlet 18, lower liquid outlet
19 are connected to upper flume 13, lower flume 16 by upper outlet tube 9, lower outlet tube 12 respectively；
7 pipeline of inlet tube is equipped with first pressure gauge 4, screw pump 5, and upper 9 pipeline of outlet tube is equipped with second
Pressure gauge 8, lower 12 pipeline of outlet tube are equipped with first throttle valve 11 and third pressure gauge 10；The screw pump 5 is from Shang Shui
Water suction enters inner tube 1 in slot 13, and liquid enters outer tube 2 through the liquid outlet 3 of inner tube 1 and is discharged to by outer tube 2 and upper outlet tube 9
Sink 13, to constitute the circulatory system；
It is horizontal in the lower flume 16 to be equipped with partition 15, hydraulic pump 14, the partition 15 are equipped at the top of the lower flume 16
It can be moved down along 16 side wall of lower flume under the effect of hydraulic pump 14.
For further, can also consider in the present embodiment: the screw pump 5 is equipped with frequency converter 6, to pass through
Frequency converter realizes the revolving speed of screw pump motor, to realize the circulation of different liquids flow.
For further, can also consider in the present embodiment: the liquid outlet 3 is equipped with second throttle 20, leads to
The aperture of control second throttle is crossed to realize the adjustment of liquid outlet outlet opening size.
Embodiment 2
The method for carrying out processing simulation by the hydro-jet fracturing technology imitative experimental appliance in embodiment 1:
(1) processing simulation that different wellbores, string size combine
Screw pump is opened absorb water out of upper flume into inner tube, liquid through the liquid outlet of inner tube enter outer tube and by outer tube and
Upper outlet tube is discharged to upper flume, to constitute the circulatory system, the first throttle valve under outer tube on subordinate's outlet tube is in and is closed
Closed state, by record first pressure gauge, second pressure gauge, the registration of third pressure gauge come investigate inner tube inlet pressure,
Pressure on outer tube top under the pressure of liquid outlet, outer tube at subordinate's liquid outlet；In being adjusted by replacement inner tube or appearance
Bore, inner tube outside diameter, outer tube diameter, inner tube length, outer tube length dimension carry out different groups of experiments, to realize to difference
The processing simulation of wellbore, string size portfolio ratio；
(4) to the processing simulation of different operational discharge capacities
Screw pump is opened absorb water out of upper flume into inner tube, liquid through the liquid outlet of inner tube enter outer tube and by outer tube and
Upper outlet tube is discharged to upper flume, to constitute the circulatory system, the throttle valve under outer tube on subordinate's outlet tube is in and closes shape
State investigates pressure, the outer tube of inner tube inlet by record first pressure gauge, second pressure gauge, the registration of third pressure gauge
Pressure on top under the pressure of liquid outlet, outer tube at subordinate's liquid outlet；Pass through turning for frequency converter adjusting screw rod pump frequency conversion motor
Number, and then realize the experiment of different liquids discharge capacity, to realize the processing simulation to different operational discharge capacities；
(3) processing simulation of liquid resistance-reducing yield
Screw pump is opened absorb water out of upper flume into inner tube, liquid through the liquid outlet of inner tube enter outer tube and by outer tube and
Upper outlet tube is discharged to upper flume, to constitute the circulatory system, the throttle valve under outer tube on subordinate's outlet tube is in and closes shape
State investigates pressure, the outer tube of inner tube inlet by record first pressure gauge, second pressure gauge, the registration of third pressure gauge
Pressure on top under the pressure of liquid outlet, outer tube at subordinate's liquid outlet；By the way that inhomogeneity is added in the liquid into upper flume
Type friction reducer, so as to adjust the liquid resistance-reducing yield in the circulatory system, to realize different resistance-reducing yields to the processing simulation of pipeline frictional resistance；
(4) shut off the processing simulation of ability to tool
Screw pump is opened absorb water out of upper flume into inner tube, liquid through the liquid outlet of inner tube enter outer tube and by outer tube and
Upper outlet tube is discharged to upper flume, to constitute the circulatory system, the throttle valve under outer tube on subordinate's outlet tube is in and closes shape
State investigates pressure, the outer tube of inner tube inlet by record first pressure gauge, second pressure gauge, the registration of third pressure gauge
Pressure on top under the pressure of liquid outlet, outer tube at subordinate's liquid outlet；The second throttling on liquid outlet by controlling inner tube
The aperture of valve realizes influence of the simulation tool throttling capacity to pipeline frictional resistance；
(5) processing simulation of shaft bottom confining pressure environment
Screw pump is opened absorb water out of upper flume into inner tube, liquid through the liquid outlet of inner tube enter outer tube and by outer tube and
Upper outlet tube is discharged to upper flume, to constitute the circulatory system, the throttle valve under outer tube on subordinate's outlet tube is in open shape
State investigates pressure, the outer tube of inner tube inlet by record first pressure gauge, second pressure gauge, the registration of third pressure gauge
Pressure on top under the pressure of liquid outlet, outer tube at subordinate's liquid outlet；By hydraulic pump to the above space of partition in lower flume
It suppresses, pressurizes to be lauched groove sidewall by partition edge and move downward to liquid, to realize different shaft bottoms in site operation
Processing simulation under confining pressure environment.
In conclusion can meet the present invention can provide a kind of hydro-jet fracturing technology imitative experimental appliance to different wells
Eye size, string size, operational discharge capacity, liquid resistance-reducing yield, tool shut off ability, shaft bottom confining pressure environment injection fracturing technology mould
It is quasi-, facilitate the similar problem occurred in qualitative analysis site operation.
Above embodiments describe the invention in detail, but content is only the preferred embodiment of the present invention, no
It can be believed to be used to limit the scope of the invention.Any changes and modifications in accordance with the scope of the present application,
It should still fall within the scope of the patent of the present invention.
Claims (4)
1. a kind of hydro-jet fracturing technology imitative experimental appliance, it is characterised in that: including inner tube, outer tube, screw pump, upper flume
And lower flume, said inner tube part are nested in the outer tube, the top side wall of said inner tube is equipped with inlet, the inlet
It is connected to the upper flume by inlet tube, said inner tube end side wall is equipped with liquid outlet, the outer tube top, bottom sidewall
It is respectively equipped with liquid outlet, lower liquid outlet, the upper liquid outlet, lower liquid outlet are connected by upper outlet tube, lower outlet tube respectively
To upper flume, lower flume；
The inlet tube pipeline is equipped with first pressure gauge, screw pump, and the upper outlet tube pipeline is equipped with second pressure gauge, institute
Lower outlet tube pipeline is stated equipped with first throttle valve and third pressure gauge；The screw pump absorbs water out of upper flume enters inner tube,
Liquid enters outer tube through the liquid outlet of inner tube and is discharged to upper flume by outer tube and upper outlet tube, to constitute the circulatory system；
It is horizontal in the lower flume to be equipped with partition, it is equipped with hydraulic pump at the top of the lower flume, the partition is under hydraulic pumping action
It can be moved down along groove sidewall is lauched.
2. a kind of hydro-jet fracturing technology imitative experimental appliance according to claim 1, it is characterised in that: the screw rod
Pump is equipped with frequency converter.
3. a kind of hydro-jet fracturing technology imitative experimental appliance according to claim 1, it is characterised in that: the liquid out
Mouth is equipped with second throttle.
4. the application method of the described in any item hydro-jet fracturing technology imitative experimental appliances of claim 1-3, feature exist
In:
(1) processing simulation that different wellbores, string size combine
Open screw pump and absorb water out of upper flume and enter inner tube, liquid through the liquid outlet of inner tube enter outer tube and by outer tube and it is upper out
Liquid pipe is discharged to upper flume, to constitute the circulatory system, the first throttle valve under outer tube on subordinate's outlet tube is in and closes shape
State investigates pressure, the outer tube of inner tube inlet by record first pressure gauge, second pressure gauge, the registration of third pressure gauge
Pressure on top under the pressure of liquid outlet, outer tube at subordinate's liquid outlet；It is adjusted in inner tube by replacement inner tube or appearance
Diameter, inner tube outside diameter, outer tube diameter, inner tube length, outer tube length dimension carry out different groups of experiments, to realize to different wells
The processing simulation of eye, string size portfolio ratio；
(2) to the processing simulation of different operational discharge capacities
Open screw pump and absorb water out of upper flume and enter inner tube, liquid through the liquid outlet of inner tube enter outer tube and by outer tube and it is upper out
Liquid pipe is discharged to upper flume, to constitute the circulatory system, the throttle valve under outer tube on subordinate's outlet tube is in close state, and leads to
Overwriting first pressure gauge, second pressure gauge, the registration of third pressure gauge investigate the pressure of inner tube inlet, on outer tube top
Pressure under the pressure of liquid outlet, outer tube at subordinate's liquid outlet；By the revolution of frequency converter adjusting screw rod pump frequency conversion motor, in turn
The experiment of different liquids discharge capacity is realized, to realize the processing simulation to different operational discharge capacities；
(3) processing simulation of liquid resistance-reducing yield
Open screw pump and absorb water out of upper flume and enter inner tube, liquid through the liquid outlet of inner tube enter outer tube and by outer tube and it is upper out
Liquid pipe is discharged to upper flume, to constitute the circulatory system, the throttle valve under outer tube on subordinate's outlet tube is in close state, and leads to
Overwriting first pressure gauge, second pressure gauge, the registration of third pressure gauge investigate the pressure of inner tube inlet, on outer tube top
Pressure under the pressure of liquid outlet, outer tube at subordinate's liquid outlet；By the way that different type drop resistance is added in the liquid into upper flume
Agent, so as to adjust the liquid resistance-reducing yield in the circulatory system, to realize different resistance-reducing yields to the processing simulation of pipeline frictional resistance；
(4) shut off the processing simulation of ability to tool
Open screw pump and absorb water out of upper flume and enter inner tube, liquid through the liquid outlet of inner tube enter outer tube and by outer tube and it is upper out
Liquid pipe is discharged to upper flume, to constitute the circulatory system, the throttle valve under outer tube on subordinate's outlet tube is in close state, and leads to
Overwriting first pressure gauge, second pressure gauge, the registration of third pressure gauge investigate the pressure of inner tube inlet, on outer tube top
Pressure under the pressure of liquid outlet, outer tube at subordinate's liquid outlet；Pass through opening for the second throttle on the liquid outlet of control inner tube
Degree is to realize influence of the simulation tool throttling capacity to pipeline frictional resistance；
(5) processing simulation of shaft bottom confining pressure environment
Open screw pump and absorb water out of upper flume and enter inner tube, liquid through the liquid outlet of inner tube enter outer tube and by outer tube and it is upper out
Liquid pipe is discharged to upper flume, so that the circulatory system is constituted, the throttle valve under outer tube on subordinate's outlet tube is in the open state, lead to
Overwriting first pressure gauge, second pressure gauge, the registration of third pressure gauge investigate the pressure of inner tube inlet, on outer tube top
Pressure under the pressure of liquid outlet, outer tube at subordinate's liquid outlet；The above space of partition in lower flume is suppressed by hydraulic pump, from
And pressurizeed to liquid by partition along being lauched groove sidewall and move downward, to realize different shaft bottoms confining pressure environment in site operation
Under processing simulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811376431.2A CN109236260B (en) | 2018-11-19 | 2018-11-19 | Hydraulic jet fracturing process simulation experiment device and using method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811376431.2A CN109236260B (en) | 2018-11-19 | 2018-11-19 | Hydraulic jet fracturing process simulation experiment device and using method |
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| Publication Number | Publication Date |
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| CN109236260A true CN109236260A (en) | 2019-01-18 |
| CN109236260B CN109236260B (en) | 2020-11-03 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6055874A (en) * | 1999-02-02 | 2000-05-02 | Halliburton Energy Services, Inc. | Apparatus and method for simulating well bore conditions |
| CN202031564U (en) * | 2010-12-30 | 2011-11-09 | 河南理工大学 | Coal petrographic drilling hydraulic fracture experimental apparatus |
| CN203702138U (en) * | 2014-02-27 | 2014-07-09 | 中国石油大学(北京) | Experiment device of extrusion pressure of well opening after well closing of waxy oil well |
| CN104297128A (en) * | 2014-10-28 | 2015-01-21 | 河南工程学院 | Triaxial stress seepage experiment device under high pressure water and subpressure loading condition |
| CN206627513U (en) * | 2017-04-07 | 2017-11-10 | 西南石油大学 | A kind of experimental provision simulated natural gas hydrate stratum and shaked out on annular space influence |
| CN107882508A (en) * | 2017-11-08 | 2018-04-06 | 中国石油大学(华东) | Alternating temperature drilling simulation experimental facilities |
-
2018
- 2018-11-19 CN CN201811376431.2A patent/CN109236260B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6055874A (en) * | 1999-02-02 | 2000-05-02 | Halliburton Energy Services, Inc. | Apparatus and method for simulating well bore conditions |
| CN202031564U (en) * | 2010-12-30 | 2011-11-09 | 河南理工大学 | Coal petrographic drilling hydraulic fracture experimental apparatus |
| CN203702138U (en) * | 2014-02-27 | 2014-07-09 | 中国石油大学(北京) | Experiment device of extrusion pressure of well opening after well closing of waxy oil well |
| CN104297128A (en) * | 2014-10-28 | 2015-01-21 | 河南工程学院 | Triaxial stress seepage experiment device under high pressure water and subpressure loading condition |
| CN206627513U (en) * | 2017-04-07 | 2017-11-10 | 西南石油大学 | A kind of experimental provision simulated natural gas hydrate stratum and shaked out on annular space influence |
| CN107882508A (en) * | 2017-11-08 | 2018-04-06 | 中国石油大学(华东) | Alternating temperature drilling simulation experimental facilities |
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|---|---|
| CN109236260B (en) | 2020-11-03 |
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