CN206386118U - The physical simulation experiment device of complex fracture reservoir horizontal well exploitation - Google Patents
The physical simulation experiment device of complex fracture reservoir horizontal well exploitation Download PDFInfo
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- CN206386118U CN206386118U CN201621359291.4U CN201621359291U CN206386118U CN 206386118 U CN206386118 U CN 206386118U CN 201621359291 U CN201621359291 U CN 201621359291U CN 206386118 U CN206386118 U CN 206386118U
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Abstract
The utility model is related to a kind of physical simulation experiment device of complex fracture reservoir horizontal well exploitation, including simulation wellbore hole, simulation oil reservoir I, simulation oil reservoir II, injected system I and injected system II, and is connected with computer；The simulation oil reservoir I and the simulation oil reservoir II are symmetricly set on the both sides of the simulation wellbore hole, and the injected system I is connected with the simulation oil reservoir I, and the injected system II is connected with the simulation oil reservoir II；The simulation oil reservoir I and the simulation oil reservoir II include five pieces of cracking rock cores with different fracture parameters.The experimental provision considers the fractue spacing and different fracture parameters of complexity simultaneously, so that the realistically production law of dummy level well development complex fracture oil reservoir.
Description
Technical field
The utility model belongs to Reservoir Development technical field, and in particular to a kind of complex fracture reservoir horizontal well exploitation
Physical simulation experiment device.
Background technology
With the propulsion of domestic and international oil-gas reservior's exploration ＆ exploitation process, the potentiality to be exploited of conventional oil reservoir is more and more lower, and newly developed
Fractured reservoir ratio more and more higher in oil reservoir, and the annual production of fractured reservoir increases year by year.But at present to complexity
The developmental research of fractured reservoir also rests on the numerical simulation stage, and reliability is not strong, therefore for complex fracture oil reservoir water
The exploitation of horizontal well, it is extremely necessary means to carry out physical simulation experiment.In experimentation, used horizontal well physics mould
Draft experiment device is to influence the key factor of experimental result, and it is real that current domestic and foreign scholars have developed some horizontal well physical analogys
Experiment device, but these devices are generally used for simulating the horizontal well development of conventional bottom water reservoir, are but unable to simulation fracture oil reservoir
The distribution of middle complex fracture, even if fractured reservoir physical simulation experiment device of the prior art can carry out staged fracturing water
The physical analogy of horizontal well, can also realize the influence for considering crack along journey in horizontal well, but the applicable crack of the device is just
Presentate crack, form is very single, it is impossible to the physical analogy of science is carried out to complex fracture oil reservoir.For complex fracture
Oil reservoir, the distribution in crack is the dynamic key factor of research level well development, it is therefore necessary to develop a kind of complex fracture oil
Hide the physical simulation experiment device of horizontal well development.
Application publication number discloses a kind of fractured reservoir visualization water drive oil thing for CN104196503A patent of invention
Manage analogue experiment installation, the physical model of the fractured reservoir includes the crack of three ranks, respectively big rank crack, in
Rank crack and small rank crack.The experimental provision is used for the water drive oil physical simulation experiment of complex fracture oil reservoir, but experiment
Process is complicated, and without rule, experimental result is inaccurate.
The content of the invention
To solve problems of the prior art, the utility model provides a kind of complex fracture reservoir horizontal well exploitation
Physical simulation experiment device, including simulation wellbore hole, simulation oil reservoir I, simulation oil reservoir II, injected system I and injected system II, and
It is connected with computer；The simulation oil reservoir I and the simulation oil reservoir II are symmetricly set on the both sides of the simulation wellbore hole, described
Injected system I is connected with the simulation oil reservoir I, and the injected system II is connected with the simulation oil reservoir II；The simulation oil reservoir I
Include five pieces of cracking rock cores with different fracture parameters with the simulation oil reservoir II.
Five pieces of cracking rock cores in simulation oil reservoir I have different fracture parameters, are evenly distributed on the upper of simulation wellbore hole
Side, is arranged in order, numbering is from the arrival end of simulation wellbore hole to the port of export：1# cracking rock cores, 2# cracking rock cores, 3# cracks
Property rock core, 4# cracking rock cores, 5# cracking rock cores.
Five pieces of cracking rock cores in simulation oil reservoir II have different fracture parameters, are evenly distributed under simulation wellbore hole
Side, is arranged in order, numbering is from the arrival end of simulation wellbore hole to the port of export：6# cracking rock cores, 7# cracking rock cores, 8# cracks
Property rock core, 9# cracking rock cores, 10# cracking rock cores.
Preferably, the simulation wellbore hole is the horizontal segment pit shaft of horizontal well.
In any of the above-described scheme preferably, the port of export connection back-pressure valve and oil-water metering dress of the simulation wellbore hole
Put.Oil-water metering device is used to measure the moisture content of the horizontal wellbore port of export, fluid flow in real time and goes out liquid speed rate etc., measures number
According to can be directly displayed on the software interface of computer.
In any of the above-described scheme preferably, three identical pressure sensors III are installed on the simulation wellbore hole.Three
Individual pressure sensor III is used for the pressure for measuring horizontal wellbore in real time, and measurement data can be directly displayed at the software interface of computer
On.Wherein, a pressure sensor III is arranged on the horizontal wellbore on the right side of 1# cracking rock cores and 6# cracking rock cores, one
Pressure sensor III is arranged on the horizontal wellbore on the right side of 3# cracking rock cores and 8# cracking rock cores, a pressure sensor III
On the horizontal wellbore on the right side of 5# cracking rock cores and 10# cracking rock cores.
In any of the above-described scheme preferably, five pieces of cracking rock cores in the simulation oil reservoir I are individually positioned in phase
In the core holding unit I answered, the port of export of each core holding unit I is connected by pipeline with the simulation wellbore hole, pipeline
Upper installation flow meter I, pressure sensor I and valve I.Five identical flow meter Is are respectively used to measure connected crack
The flow conductivity of the property rock core port of export；Five identical pressure sensors I are respectively used to measure connected cracking rock core
The pressure of the port of export.Measurement data can be directly displayed on the software interface of computer.
In any of the above-described scheme preferably, the both sides of the core holding unit I are respectively mounted three identical saturations
Spend probe I.Three saturation degree probes I are all installed in the both sides of five core holding units I, are respectively used to measure the crack being in contact with it
The oil saturation of property rock core.Measurement data can be directly displayed on the software interface of computer.
In any of the above-described scheme preferably, pipeline is passed through between five core holding units I in the simulation oil reservoir I
Valve III is installed on the pipeline between connection, two neighboring core holding unit I.Placed respectively in five core holding units I different
The rock core of fracture parameters, applies suitable pressure to simulate the state that is stressed of matrix under oil reservoir by confined pressure pump to rock core；Five
Connected between individual core holding unit I by pipeline, for simulating channelling situation of the underground fluid in different fracture matrix.
In any of the above-described scheme preferably, five pieces of cracking rock cores in the simulation oil reservoir II are individually positioned in phase
In the core holding unit II answered, the port of export of each core holding unit II is connected by pipeline with the simulation wellbore hole, pipe
Flow meter II, pressure sensor II and valve II are installed on line.Five identical flow meter IIs are respectively used to measurement and are connected thereto
The cracking rock core port of export flow conductivity；Five identical pressure sensors II are respectively used to measure connected crack
The pressure of the property rock core port of export.Measurement data can be directly displayed on the software interface of computer.
In any of the above-described scheme preferably, the both sides of the core holding unit II are respectively mounted three identical saturations
Spend probe II.Three saturation degree probes II are all installed in the both sides of five core holding units II, are respectively used to measure what is be in contact with it
The oil saturation of cracking rock core.Measurement data can be directly displayed on the software interface of computer.
In any of the above-described scheme preferably, pipe is passed through between five core holding units II in the simulation oil reservoir II
Line is connected, and valve IV is installed on the pipeline between two neighboring core holding unit II.Placed respectively in five core holding units II
The rock core of different fracture parameters, applies suitable pressure to simulate the shape that is stressed of matrix under oil reservoir by confined pressure pump to rock core
State；Connected between five core holding units II by pipeline, for simulating channelling feelings of the underground fluid in different fracture matrix
Condition.
In any of the above-described scheme preferably, the injected system I includes constant-flux pump I, the and of six-way valve I being sequentially connected
Five intermediate receptacles I, five intermediate receptacles I are arranged in parallel.
In any of the above-described scheme preferably, five intermediate receptacles I in the injected system I respectively by pipeline with
Simulate and valve V is installed on the arrival end connection of five core holding units I in oil reservoir I, pipeline.
In any of the above-described scheme preferably, advection pump pressure is installed between the six-way valve I and the intermediate receptacle I
Sensor I.Advection pump pressure sensor I is used for the stratum reset pressure for measuring injection end.
In any of the above-described scheme preferably, the injected system II includes constant-flux pump II, the six-way valve being sequentially connected
II and five intermediate receptacle II, five intermediate receptacles II are arranged in parallel.
In any of the above-described scheme preferably, five intermediate receptacles II in the injected system II pass through pipeline respectively
It is connected with the arrival end of five core holding units II in simulation oil reservoir II, valve VI is installed on pipeline.
In any of the above-described scheme preferably, advection pump pressure is installed between the six-way valve II and the intermediate receptacle II
Force snesor II.Advection pump pressure sensor II is used for the stratum reset pressure for measuring injection end.
The utility model also provides a kind of physical simulation experiment method of complex fracture reservoir horizontal well exploitation, using upper
Any experimental provision is stated, it comprises the following steps according to sequencing：
Step one：Connecting pipeline, checks instrument and device, and close all valves；
Step 2：According to requirement of experiment, the cracking rock core that five pieces have different fracture parameters is put into simulation oil reservoir I
In corresponding core holding unit I, then the cracking rock cores that other five pieces have different fracture parameters are put into simulation oil reservoir II
In corresponding core holding unit II；
Step 3：Simulated formation crude oil is injected into five intermediate receptacles I of injected system I, five valves V are first opened,
Restart constant-flux pump I, saturated oils process is carried out to five pieces of cracking rock cores in simulation oil reservoir I；Simultaneously to injected system II
Injection simulated formation crude oil in five intermediate receptacles II, first opens five valves VI, restarts constant-flux pump II, to simulation oil reservoir II
In five pieces of cracking rock cores carry out saturated oils process；
Step 4：After saturated oils process terminates, constant-flux pump I and constant-flux pump II are first closed, five valves V and five are turned off
Individual valve VI；
Step 5：Simulated formation crude oil in five intermediate receptacles I of injected system I is replaced by simulated formation water, first
Five valves V, five valve Is and four valves III are opened, restart constant-flux pump I, to five pieces of Fractureds in simulation oil reservoir I
Rock core carries out water drive oil process；The simulated formation crude oil in five intermediate receptacles II of injected system II is replaced by simulation simultaneously
Stratum water, first opens five valves VI, five valves II and four valves IV, restarts constant-flux pump II, in simulation oil reservoir II
Five pieces of cracking rock cores carry out water drive oil process；
Step 6：Before water drive oil process starts, pass through five blocks of Fractured rocks in the test simulation oil reservoir I of saturation degree probe I
The initial oil saturation of the heart, passes through the initial oil of five pieces of cracking rock cores in the test simulation oil reservoir II of saturation degree probe II
Saturation degree；
Step 7：During water drive oil, distinguished by corresponding flow meter I, saturation degree probe I and pressure sensor I
Flow conductivity, oil saturation and the pressure of five pieces of cracking rock core ports of export in the oil reservoir I of monitoring simulation in real time, by corresponding
Flow meter II, the five pieces of cracking rock cores of saturation degree probe II and pressure sensor II respectively in the oil reservoir II of monitoring simulation in real time
Flow conductivity, oil saturation and the pressure of the port of export, the production of the simulation wellbore hole port of export is monitored by oil-water metering device in real time
Oil, production aqueous condition；
Step 8：According to requirement of experiment, change fracture parameters combination, repeat step two to step 8 analyzes different cracks
Under the conditions of parameter combination, oil-producing, production aqueous condition and the Pressure behaviour situation of change of horizontal well.
Preferably, the fracture parameters include density, the slit width in crack and the trend in crack in crack etc..
The physical simulation experiment device and its method of complex fracture reservoir horizontal well exploitation of the present utility model, operation is just
Victory, analog result is accurate, while the fractue spacing and different fracture parameters of complexity are considered, so that realistically dummy level
The production law of well development complex fracture oil reservoir, is that the optimization of complex fracture reservoir horizontal well completion and operation measure are implemented
Foundation is provided, the economic benefit of complex fracture reservoir horizontal well exploitation is further improved.The technical solution of the utility model energy
The Production development of enough true simulation complex fracture reservoir horizontal well exploitations, realizes segmentation individually metering and complex fracture oil
Hide the real-time monitoring of the different well section pressure of horizontal well, additionally it is possible to simulate the channelling situation between heterogeneous core.Split by changing
Some properties of seam property rock core, the density in such as crack, the slit width in crack, the trend in crack, and then study these ginsengs in crack
Several influences to horizontal well along journey development features.By changing combination of the different crack rock cores in horizontal well along journey, dummy level
Different fractue spacing forms of the well along journey, for specific joint set type, study the influence to effect of reservoir development.
Brief description of the drawings
Fig. 1 is the one excellent of the physical simulation experiment device developed according to complex fracture reservoir horizontal well of the present utility model
Select the structural representation of embodiment；
Fig. 2 is the Fig. 1 for the physical simulation experiment device developed according to complex fracture reservoir horizontal well of the present utility model
The structural representation of the horizontal wellbore of illustrated embodiment；
Fig. 3 is the Fig. 1 for the physical simulation experiment device developed according to complex fracture reservoir horizontal well of the present utility model
The structural representation of the simulation oil reservoir I of illustrated embodiment；
Fig. 4 is the Fig. 1 for the physical simulation experiment device developed according to complex fracture reservoir horizontal well of the present utility model
The structural representation of the simulation oil reservoir II of illustrated embodiment；
Fig. 5 is the Fig. 1 for the physical simulation experiment device developed according to complex fracture reservoir horizontal well of the present utility model
The structural representation of the injected system I of illustrated embodiment；
Fig. 6 is the Fig. 1 for the physical simulation experiment device developed according to complex fracture reservoir horizontal well of the present utility model
The structural representation of the injected system II of illustrated embodiment.
Explanation is marked in figure：1- simulation wellbore holes, 101- back-pressure valves, 102- oil-water metering devices, 103- pressure sensors III；
2- simulation oil reservoirs I, 201- core holding units I, 202- flow meter Is, 203- pressure sensors I, 204- valve Is,
205- saturation degrees probe I, 206- valves III, 207- valves V, 208-1# cracking rock cores, 209-2# cracking rock cores, 210-
3# cracking rock cores, 211-4# cracking rock cores, 212-5# cracking rock cores；
3- simulates oil reservoir II, 301- core holding units II, 302- flow meter IIs, 303- pressure sensors II, 304- valves
II, 305- saturation degree probe II, 306- valves IV, 307- valves VI, 308-6# cracking rock cores, 309-7# cracking rock cores,
310-8# cracking rock cores, 311-9# cracking rock cores, 312-10# cracking rock cores；
4- injected systems I, 401- constant-flux pumps I, 402- six-way valves I, 403- intermediate receptacles I, 404- constant-flux pump pressure sensings
Device I；
5- injected systems II, 501- constant-flux pumps II, 502- six-way valves II, 503- intermediate receptacles II, 504- advection pump pressures
Sensor II；
6- computers.
Embodiment
In order to be further understood that the content of the invention of the present utility model, this reality is elaborated below in conjunction with specific embodiment
With new.
Embodiment one：
As shown in figure 1, the physical simulation experiment device developed according to complex fracture reservoir horizontal well of the present utility model
An embodiment, it includes simulation wellbore hole 1, simulation oil reservoir I 2, simulation oil reservoir II 3, injected system I 4 and injected system II 5, and
It is connected with computer 6；The simulation oil reservoir I 2 and the simulation oil reservoir II 3 are symmetricly set on the both sides of the simulation wellbore hole 1,
The injected system I 4 is connected with the simulation oil reservoir I 2, and the injected system II 5 is connected with the simulation oil reservoir II 3；It is described
Simulating oil reservoir I 2 and the simulation oil reservoir II 3 includes five pieces of cracking rock cores with different fracture parameters.
As shown in figure 3, five pieces of cracking rock cores in simulation oil reservoir I 2 have different fracture parameters, mould is evenly distributed on
Intend the top of pit shaft 1, be arranged in order from the arrival end of simulation wellbore hole 1 to the port of export, numbering is：1# cracking rock cores 208,2# split
Seam property rock core 209,3# cracking rock cores 210,4# cracking rock cores 211,5# cracking rock cores 212.
As shown in figure 4, five pieces of cracking rock cores in simulation oil reservoir II 3 have different fracture parameters, it is evenly distributed on
The lower section of simulation wellbore hole 1, is arranged in order from the arrival end of simulation wellbore hole 1 to the port of export, and numbering is：6# cracking rock cores 308,7#
Cracking rock core 309,8# cracking rock cores 310,9# cracking rock cores 311,10# cracking rock cores 312.
As shown in Fig. 2 the simulation wellbore hole 1 is the horizontal segment pit shaft of horizontal well, the port of export connection back pressure of simulation wellbore hole 1
Valve 101 and oil-water metering device 102, oil-water metering device are used for moisture content, the liquid flow for measuring the horizontal wellbore port of export in real time
Measure and go out liquid speed rate etc., measurement data can be directly displayed on the software interface of computer.Three are installed on the simulation wellbore hole 1
Identical pressure sensor III 103, three pressure sensors III are used for the pressure for measuring horizontal wellbore in real time, and measurement data can be straight
Connect on the software interface for being shown in computer.Wherein, a pressure sensor III is arranged on 1# cracking rock cores and 6# Fractureds
On horizontal wellbore on the right side of rock core, a pressure sensor III is arranged on the water on the right side of 3# cracking rock cores and 8# cracking rock cores
On horizontal well cylinder, a pressure sensor III is arranged on the horizontal wellbore on the right side of 5# cracking rock cores and 10# cracking rock cores.
As shown in figure 3, five pieces of cracking rock cores in the simulation oil reservoir I 2 are individually positioned in corresponding core holding unit I
In 201, the port of export of each core holding unit I 201 is connected by pipeline with the simulation wellbore hole 1, and stream is installed on pipeline
Gauge I 202, pressure sensor I 203 and valve I 204.Five identical flow meter Is are respectively used to measure connected crack
The flow conductivity of the property rock core port of export；Five identical pressure sensors I are respectively used to measure connected cracking rock core
The pressure of the port of export.Measurement data can be directly displayed on the software interface of computer.
The both sides of the core holding unit I 201 are respectively mounted three identical saturation degree probes I 205.Five rock core clampings
Three saturation degree probes I are all installed in the both sides of device I, are respectively used to measure the oil saturation for the cracking rock core being in contact with it.
Measurement data can be directly displayed on the software interface of computer.
Connected between five core holding units I 201 in the simulation oil reservoir I 2 by pipeline, two neighboring rock core clamping
Valve III 206 is installed on the pipeline between device I 201.The rock core of different fracture parameters is placed in five core holding units I respectively,
Apply suitable pressure to rock core to simulate the state that is stressed of matrix under oil reservoir by confined pressure pump；Five core holding units I it
Between connected by pipeline, for simulating channelling situation of the underground fluid in different fracture matrix.
As shown in figure 4, five pieces of cracking rock cores in the simulation oil reservoir II 3 are individually positioned in corresponding core holding unit
In II 301, the port of export of each core holding unit II 301 is connected by pipeline with the simulation wellbore hole 1, is installed on pipeline
Flow meter II 302, pressure sensor II 303 and valve II 304.Five identical flow meter IIs are respectively used to measurement and are connected thereto
The cracking rock core port of export flow conductivity；Five identical pressure sensors II are respectively used to measure connected crack
The pressure of the property rock core port of export.Measurement data can be directly displayed on the software interface of computer.
The both sides of the core holding unit II 301 are respectively mounted three identical saturation degree probes II 305.Five rock core folders
Three saturation degree probes II are all installed in the both sides of holder II, are respectively used to measure the oil-containing saturation for the cracking rock core being in contact with it
Degree.Measurement data can be directly displayed on the software interface of computer.
Connected between five core holding units II 301 in the simulation oil reservoir II 3 by pipeline, two neighboring rock core folder
Valve IV 306 is installed on the pipeline between holder II 301.The rock of different fracture parameters is placed in five core holding units II respectively
The heart, applies suitable pressure to simulate the state that is stressed of matrix under oil reservoir by confined pressure pump to rock core；Five core holding units
Connected between II by pipeline, for simulating channelling situation of the underground fluid in different fracture matrix.
As shown in figure 5, the injected system I 4 includes constant-flux pump I 401, six-way valve I 402 and five centres being sequentially connected
Container I 403, five intermediate receptacles I 403 are arranged in parallel.Five intermediate receptacles I 403 in the injected system I 4 pass through respectively
Pipeline is connected with the arrival end of five core holding units I 201 in simulation oil reservoir I 2, and valve V 207 is installed on pipeline.Described six lead to
Advection pump pressure sensor I 404 is installed, advection pump pressure sensor I is used to survey between valve I 402 and the intermediate receptacle I 403
Measure the stratum reset pressure of injection end.
As shown in fig. 6, the injected system II 5 includes the constant-flux pump II 501 being sequentially connected, six-way valve II 502 and five
Intermediate receptacle II 503, five intermediate receptacles II 503 are arranged in parallel.Five intermediate receptacles II 503 in the injected system II 5
It is connected respectively by pipeline with the arrival end of five core holding units II 301 in simulation oil reservoir II 3, valve VI is installed on pipeline
307.Advection pump pressure sensor II 504, advection pump pressure are installed between the six-way valve II 502 and the intermediate receptacle II 503
Force snesor II is used for the stratum reset pressure for measuring injection end.
One embodiment of the physical simulation experiment method developed according to complex fracture reservoir horizontal well of the present utility model,
Using the experimental provision of the present embodiment, it comprises the following steps according to sequencing：
Step one：Connecting pipeline, checks instrument and device, and close all valves；
Step 2：According to requirement of experiment, the cracking rock core that five pieces have different fracture parameters is put into simulation oil reservoir I
In corresponding core holding unit I, then the cracking rock cores that other five pieces have different fracture parameters are put into simulation oil reservoir II
In corresponding core holding unit II；
Step 3：Simulated formation crude oil is injected into five intermediate receptacles I of injected system I, five valves V are first opened,
Restart constant-flux pump I, saturated oils process is carried out to five pieces of cracking rock cores in simulation oil reservoir I；Simultaneously to injected system II
Injection simulated formation crude oil in five intermediate receptacles II, first opens five valves VI, restarts constant-flux pump II, to simulation oil reservoir II
In five pieces of cracking rock cores carry out saturated oils process；
Step 4：After saturated oils process terminates, constant-flux pump I and constant-flux pump II are first closed, five valves V and five are turned off
Individual valve VI；
Step 5：Simulated formation crude oil in five intermediate receptacles I of injected system I is replaced by simulated formation water, first
Five valves V, five valve Is and four valves III are opened, restart constant-flux pump I, to five pieces of Fractureds in simulation oil reservoir I
Rock core carries out water drive oil process；The simulated formation crude oil in five intermediate receptacles II of injected system II is replaced by simulation simultaneously
Stratum water, first opens five valves VI, five valves II and four valves IV, restarts constant-flux pump II, in simulation oil reservoir II
Five pieces of cracking rock cores carry out water drive oil process；
Step 6：Before water drive oil process starts, pass through five blocks of Fractured rocks in the test simulation oil reservoir I of saturation degree probe I
The initial oil saturation of the heart, passes through the initial oil of five pieces of cracking rock cores in the test simulation oil reservoir II of saturation degree probe II
Saturation degree；
Step 7：During water drive oil, distinguished by corresponding flow meter I, saturation degree probe I and pressure sensor I
Flow conductivity, oil saturation and the pressure of five pieces of cracking rock core ports of export in the oil reservoir I of monitoring simulation in real time, by corresponding
Flow meter II, the five pieces of cracking rock cores of saturation degree probe II and pressure sensor II respectively in the oil reservoir II of monitoring simulation in real time
Flow conductivity, oil saturation and the pressure of the port of export, the production of the simulation wellbore hole port of export is monitored by oil-water metering device in real time
Oil, production aqueous condition；
Step 8：According to requirement of experiment, change fracture parameters combination, repeat step two to step 8 analyzes different cracks
Under the conditions of parameter combination, oil-producing, production aqueous condition and the Pressure behaviour situation of change of horizontal well.
The fracture parameters include density, the slit width in crack and the trend in crack in crack etc..
The physical simulation experiment device and its method of the complex fracture reservoir horizontal well exploitation of the present embodiment, operation is just
Victory, analog result is accurate, while the fractue spacing and different fracture parameters of complexity are considered, so that realistically dummy level
The production law of well development complex fracture oil reservoir, is that the optimization of complex fracture reservoir horizontal well completion and operation measure are implemented
Foundation is provided, the economic benefit of complex fracture reservoir horizontal well exploitation is further improved.The technical scheme of the present embodiment can
The Production development of true simulation complex fracture reservoir horizontal well exploitation, realizes segmentation individually metering and complex fracture oil reservoir
The real-time monitoring of horizontal well difference well section pressure, additionally it is possible to simulate the channelling situation between heterogeneous core.By changing crack
Property rock core some properties, the density in such as crack, the slit width in crack, the trend in crack, so study crack these parameters
Influence to horizontal well along journey development features.By changing combination of the different crack rock cores in horizontal well along journey, simulation water horizontal well
Along the different fractue spacing forms of journey, for specific joint set type, the influence to effect of reservoir development is studied.
Embodiment two：
The physical simulation experiment device and its method developed according to complex fracture reservoir horizontal well of the present utility model
Another embodiment, annexation, processing step, principle and beneficial effect between the structure of its experimental provision, each part etc. are
It is identical with embodiment one, unlike：Five pieces of cracking rock cores in simulation oil reservoir I have different fracture parameters, uniform point
Cloth is arranged in order in the top of simulation wellbore hole from the arrival end of simulation wellbore hole to the port of export, and numbering is：2# cracking rock cores, 3#
Cracking rock core, 1# cracking rock cores, 4# cracking rock cores, 5# cracking rock cores；Simulate five blocks of Fractured rocks in oil reservoir II
The heart has different fracture parameters, is evenly distributed on the lower section of simulation wellbore hole, from the arrival end of simulation wellbore hole to the port of export successively
Arrange, numbering is：7# cracking rock cores, 8# cracking rock cores, 6# cracking rock cores, 9# cracking rock cores, 10# Fractured rocks
The heart.
Embodiment three：
The physical simulation experiment device and its method developed according to complex fracture reservoir horizontal well of the present utility model
Another embodiment, annexation, processing step, principle and beneficial effect between the structure of its experimental provision, each part etc. are
It is identical with embodiment one, unlike：Five pieces of cracking rock cores in simulation oil reservoir I have different fracture parameters, uniform point
Cloth is arranged in order in the top of simulation wellbore hole from the arrival end of simulation wellbore hole to the port of export, and numbering is：5# cracking rock cores, 2#
Cracking rock core, 4# cracking rock cores, 3# cracking rock cores, 1# cracking rock cores；Simulate five blocks of Fractured rocks in oil reservoir II
The heart has different fracture parameters, is evenly distributed on the lower section of simulation wellbore hole, from the arrival end of simulation wellbore hole to the port of export successively
Arrange, numbering is：10# cracking rock cores, 7# cracking rock cores, 9# cracking rock cores, 8# cracking rock cores, 6# Fractured rocks
The heart.
Example IV：
The physical simulation experiment device and its method developed according to complex fracture reservoir horizontal well of the present utility model
Another embodiment, annexation, processing step, principle and beneficial effect between the structure of its experimental provision, each part etc. are
It is identical with embodiment one, unlike：Five pieces of cracking rock cores in simulation oil reservoir I have different fracture parameters, uniform point
Cloth is arranged in order in the top of simulation wellbore hole from the arrival end of simulation wellbore hole to the port of export, and numbering is：5# cracking rock cores, 2#
Cracking rock core, 4# cracking rock cores, 3# cracking rock cores, 1# cracking rock cores；Simulate five blocks of Fractured rocks in oil reservoir II
The heart has different fracture parameters, is evenly distributed on the lower section of simulation wellbore hole, from the arrival end of simulation wellbore hole to the port of export successively
Arrange, numbering is：7# cracking rock cores, 8# cracking rock cores, 6# cracking rock cores, 9# cracking rock cores, 10# Fractured rocks
The heart.
Embodiment five：
The physical simulation experiment device and its method developed according to complex fracture reservoir horizontal well of the present utility model
Another embodiment, annexation, processing step, principle and beneficial effect between the structure of its experimental provision, each part etc. are
It is identical with embodiment one, unlike：Five pieces of cracking rock cores in simulation oil reservoir I have different fracture parameters, uniform point
Cloth is arranged in order in the top of simulation wellbore hole from the arrival end of simulation wellbore hole to the port of export, and numbering is：2# cracking rock cores, 3#
Cracking rock core, 1# cracking rock cores, 4# cracking rock cores, 5# cracking rock cores；Simulate five blocks of Fractured rocks in oil reservoir II
The heart has different fracture parameters, is evenly distributed on the lower section of simulation wellbore hole, from the arrival end of simulation wellbore hole to the port of export successively
Arrange, numbering is：10# cracking rock cores, 7# cracking rock cores, 9# cracking rock cores, 8# cracking rock cores, 6# Fractured rocks
The heart.
It will be apparent to those skilled in the art that the physical analogy of complex fracture reservoir horizontal well exploitation of the present utility model
Experimental provision is included shown by the content of the invention and embodiment part and accompanying drawing of above-mentioned the utility model specification
Any combination of each several part, is retouched one by one as space is limited and for each scheme for making specification concise without these combinations are constituted
State.It is all within spirit of the present utility model and principle, any modification, equivalent substitution and improvements done etc. should be included in this
Within the protection domain of utility model.
Claims (16)
1. a kind of physical simulation experiment device of complex fracture reservoir horizontal well exploitation, including simulation wellbore hole, simulation oil reservoir I,
Oil reservoir II, injected system I and injected system II are simulated, and is connected with computer；The simulation oil reservoir I and the simulation oil reservoir
II is symmetricly set on the both sides of the simulation wellbore hole, and the injected system I is connected with the simulation oil reservoir I, the injected system
II is connected with the simulation oil reservoir II, it is characterised in that：The simulation oil reservoir I and the simulation oil reservoir II include five pieces and had
The cracking rock core of different fracture parameters.
2. the physical simulation experiment device of complex fracture reservoir horizontal well exploitation as claimed in claim 1, it is characterised in that：
The simulation wellbore hole is the horizontal segment pit shaft of horizontal well.
3. the physical simulation experiment device of complex fracture reservoir horizontal well exploitation as claimed in claim 2, it is characterised in that：
The port of export connection back-pressure valve and oil-water metering device of the simulation wellbore hole.
4. the physical simulation experiment device of complex fracture reservoir horizontal well exploitation as claimed in claim 2, it is characterised in that：
Three identical pressure sensors III are installed on the simulation wellbore hole.
5. the physical simulation experiment device of complex fracture reservoir horizontal well exploitation as claimed in claim 1, it is characterised in that：
Five pieces of cracking rock cores in the simulation oil reservoir I are individually positioned in corresponding core holding unit I, each core holding unit
I port of export is connected by pipeline with the simulation wellbore hole, and flow meter I, pressure sensor I and valve I are installed on pipeline.
6. the physical simulation experiment device of complex fracture reservoir horizontal well exploitation as claimed in claim 5, it is characterised in that：
The both sides of the core holding unit I are respectively mounted three identical saturation degree probes I.
7. the physical simulation experiment device of complex fracture reservoir horizontal well exploitation as claimed in claim 5, it is characterised in that：
Connected between five core holding units I in the simulation oil reservoir I by pipeline, the pipe between two neighboring core holding unit I
Valve III is installed on line.
8. the physical simulation experiment device of complex fracture reservoir horizontal well exploitation as claimed in claim 1, it is characterised in that：
Five pieces of cracking rock cores in the simulation oil reservoir II are individually positioned in corresponding core holding unit II, the clamping of each rock core
The port of export of device II is connected by pipeline with the simulation wellbore hole, and flow meter II, pressure sensor II and valve are installed on pipeline
Door II.
9. the physical simulation experiment device of complex fracture reservoir horizontal well exploitation as claimed in claim 8, it is characterised in that：
The both sides of the core holding unit II are respectively mounted three identical saturation degree probes II.
10. the physical simulation experiment device of complex fracture reservoir horizontal well exploitation as claimed in claim 8, its feature exists
In：It is described simulation oil reservoir II in five core holding units II between connected by pipeline, two neighboring core holding unit II it
Between pipeline on install valve IV.
11. the physical simulation experiment device of complex fracture reservoir horizontal well exploitation as claimed in claim 1, its feature exists
In：The injected system I includes constant-flux pump I, six-way valve I and five intermediate receptacles I being sequentially connected, and five intermediate receptacles I are simultaneously
Connection is set.
12. the physical simulation experiment device of complex fracture reservoir horizontal well exploitation as claimed in claim 11, its feature exists
In：Five intermediate receptacles I in the injected system I are entered by pipeline with five core holding units I in simulation oil reservoir I respectively
Valve V is installed on the connection of mouth end, pipeline.
13. the physical simulation experiment device of complex fracture reservoir horizontal well exploitation as claimed in claim 11, its feature exists
In：Advection pump pressure sensor I is installed between the six-way valve I and the intermediate receptacle I.
14. the physical simulation experiment device of complex fracture reservoir horizontal well exploitation as claimed in claim 1, its feature exists
In：The injected system II includes constant-flux pump II, six-way valve II and five intermediate receptacles II being sequentially connected, five intermediate receptacles
II is arranged in parallel.
15. the physical simulation experiment device of complex fracture reservoir horizontal well exploitation as claimed in claim 14, its feature exists
In：Five intermediate receptacles II in the injected system II pass through pipeline and five core holding units II in simulation oil reservoir II respectively
Arrival end connection, valve VI is installed on pipeline.
16. the physical simulation experiment device of complex fracture reservoir horizontal well exploitation as claimed in claim 14, its feature exists
In：Advection pump pressure sensor II is installed between the six-way valve II and the intermediate receptacle II.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621359291.4U CN206386118U (en) | 2016-12-12 | 2016-12-12 | The physical simulation experiment device of complex fracture reservoir horizontal well exploitation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621359291.4U CN206386118U (en) | 2016-12-12 | 2016-12-12 | The physical simulation experiment device of complex fracture reservoir horizontal well exploitation |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522934A (en) * | 2016-12-12 | 2017-03-22 | 中国石油大学(北京) | Physical simulation experimental device and method for development of complex fractured oil reservoir horizontal well |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106522934A (en) * | 2016-12-12 | 2017-03-22 | 中国石油大学(北京) | Physical simulation experimental device and method for development of complex fractured oil reservoir horizontal well |
| CN106522934B (en) * | 2016-12-12 | 2023-09-29 | 中国石油大学(北京) | Physical simulation experiment device and method for development of complex fractured reservoir horizontal well |
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