CN105178927A - Displacement simulation experimental device and system - Google Patents
Displacement simulation experimental device and system Download PDFInfo
- Publication number
- CN105178927A CN105178927A CN201510712937.6A CN201510712937A CN105178927A CN 105178927 A CN105178927 A CN 105178927A CN 201510712937 A CN201510712937 A CN 201510712937A CN 105178927 A CN105178927 A CN 105178927A
- Authority
- CN
- China
- Prior art keywords
- physical model
- solution cavity
- displacement
- simulation experimental
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention relates to a displacement simulation experimental device and system. The displacement simulation experimental device comprises a bottom water device, a first pressure measuring device, a second pressure measuring device, a gas source, a constant flow pump, a gas flow control instrument, a simulated oil container, a simulated formation water container and a metering device, wherein a bottom water opening of a fracture-cave physical model is connected with the bottom water device and the second pressure measuring device; the constant flow pump is communicated with the inlet of the simulated oil container and the inlet of the simulated formation water container, and the outlets of both the simulated oil container and the simulated formation water container are connected with a filler opening of the fracture-cave physical model; the gas source is connected with one end of the gas flow control instrument, and the other end of the gas flow control instrument is connected with the filler opening of the fracture-cave physical model; the filler opening of the fracture-cave physical model is connected with the first pressure measuring device; and a withdrawal opening of the fracture-cave physical model is connected with the metering device.
Description
Technical field
The present invention relates to technical field of oil production engineering, particularly a kind of displacement simulation experimental facilities and system.
Background technology
Application number be 201220267959.9 patent application document disclose a kind of fracture-pore reservoir independence vug unit physical simulation experiment device, this device includes die body, backlight, monitoring device and displacement system; The bottom of die body be provided with go to river in analog first portray seam hole, portray first and to be provided with second of the isolated solution cavity of simulation above seam hole and to portray the 3rd of seam hole and simulation vertical shaft and portray seam hole, first portrays seam hole and second portrays and stitches hole and the 3rd and portray to stitch between hole and be communicated with by the simulation fracture of multiple upper downward-extension; Be provided with the first pipeline of simulation flooding pattern at the end face of die body, the first pipeline and first is portrayed and is stitched hole or second and portray and stitch hole conducting; The second pipeline that is multiple and crack conducting is provided with in the bottom surface of die body; Die body outside is encapsulated by resin transparent; This analogue experiment installation can carry out physical analogy to the truth of oilfield reservoir, the DYNAMIC DISTRIBUTION of intuitive analysis water drive remaining oil, real time record profit volume, and carries out objective appraisal to the measure of various raising recovery ratio.
Above-mentioned experimental facilities can simulate the fracture-pore reservoir Reservoir Body feature such as some configuration relations, filling physical property in seam hole.But possess following shortcoming:
1, existing apparatus could not consider the impact of stratum confined pressure on fracture and cave reservoir;
It is single that the master of the seam_cavern type waterflooding extraction 2, in existing apparatus adopts position;
3, existing apparatus each point pressure and flow field change can not carry out real-time monitoring in formation.
Summary of the invention
For solving the problem of prior art, the present invention proposes a kind of displacement simulation experimental facilities and system, for fracture and vug carbonate reservoir Efficient Development provides theoretical foundation and technical support.
For achieving the above object, the invention provides a kind of displacement simulation experimental system, comprising: displacement simulation experimental facilities and seam hole physical model;
Described displacement simulation experimental facilities is used for opposite joint hole physical model and carries out displacement test, comprising: end water device, the first device for pressure measurement, the second device for pressure measurement, source of the gas, constant flow pump, gas-flow rate controller, simulated oil container, simulated formation water receptacle, metering device; Wherein,
The mouth of a river, the end of described seam hole physical model is all connected with water device of the described end, described second device for pressure measurement;
Described constant flow pump is all connected with the entrance of described simulated oil container, the entrance of described simulated formation water receptacle, and the outlet of described simulated oil container, the outlet of described simulated formation water receptacle are all connected with the inlet of described seam hole physical model;
Described source of the gas is connected with one end of described gas-flow rate controller, and the other end of described gas-flow rate controller is connected with the inlet of described seam hole physical model;
The inlet of described seam hole physical model is connected with described first device for pressure measurement;
The extraction mouth of described seam hole physical model is connected with described metering device.
Preferably, described displacement simulation experimental facilities also comprises video camera;
Described video camera, for recording the experimentation of experimental facilities.
Preferably, described seam hole physical model comprises:
Solution cavity, crack, substrate and filler; Wherein,
Described solution cavity and described crack are placed on described substrate, and described solution cavity and described crack are connected to one, and described filler fills situation for simulating described solution cavity;
Described seam hole physical model is provided with inlet, extraction mouth and the mouth of a river, the end.
Preferably, described solution cavity comprises solution cavity main body and cover plate, and described solution cavity main body comprises solution cavity chamber, solution cavity mould walls and crack connecting hole; Described solution cavity chamber is sealed by helicitic texture and sealing ring by described cover plate; Described crack connecting hole is arranged in described solution cavity mould walls.
Preferably, described solution cavity is connected with described crack by crack connecting hole, adopts pressure-pad connector and pressure ring seal described solution cavity and described crack to be connected in one.
Preferably, described solution cavity is regular circle shapes shape.
Preferably, described filler is quartz sand.
Preferably, described crack adopts polytetrafluoroethylmaterial material pipeline to simulate.
For achieving the above object, the present invention also proposes a kind of displacement simulation experimental facilities, carry out displacement test for opposite joint hole physical model, comprising: end water device, the first device for pressure measurement, the second device for pressure measurement, source of the gas, constant flow pump, gas-flow rate controller, simulated oil container, simulated formation water receptacle, metering device; Wherein,
The mouth of a river, the end of described seam hole physical model is all connected with water device of the described end, described second device for pressure measurement;
Described constant flow pump is all connected with the entrance of described simulated oil container, the entrance of described simulated formation water receptacle, and the outlet of described simulated oil container, the outlet of described simulated formation water receptacle are all connected with the inlet of described seam hole physical model;
Described source of the gas is connected with one end of described gas-flow rate controller, and the other end of described gas-flow rate controller is connected with the inlet of described seam hole physical model;
The inlet of described seam hole physical model is connected with described first device for pressure measurement;
The extraction mouth of described seam hole physical model is connected with described metering device.
Preferably, also video camera is comprised;
Described video camera, for recording the experimentation of experimental facilities.
Technique scheme has following beneficial effect:
The present invention can be used for fracture-pore reservoir bottom water drive, filled drive, gas injection are driven, foam flooding and the research of other displacement test.The change of the index such as two-phase or multiphase fluid movement and different phase recovery ratio, moisture content, void fraction, producing pressure differential in the fracture-pore reservoir of research different structure, remaining oil distribution characteristics under research water drive, gas drive, foam flooding and other displacement modes.For fracture and vug carbonate reservoir Efficient Development provides theoretical foundation and technical support.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of displacement simulation experimental facilities schematic diagram that the present invention proposes;
Fig. 2 stitches one of hole physical model structure schematic diagram in embodiment in displacement simulation experimental facilities;
Fig. 3 stitches hole physical model structure schematic diagram two in embodiment in displacement simulation experimental facilities;
Fig. 4 is the solution cavity structural representation in the physical model of seam hole;
Fig. 5 is the solution cavity structural profile schematic diagram in the physical model of seam hole.
Accompanying drawing identifies:
1, solution cavity model cover plate, 2, solution cavity die body, 3, crack connecting hole, 4, solution cavity chamber,
5, sealing ring, 6, screw thread, 7, solution cavity mould walls, 8, the non-pack portion of solution cavity,
9, solution-cavity filling part, 10, inlet, 11, extraction mouth, 12, solution cavity,
13, large fracture is simulated, 14, the mouth of a river, the end, 15, crack in simulation, 16, simulation gap,
17. end water devices, 18, gas-flow rate controller, the 19, first device for pressure measurement, 20, camera head,
21, metering device, 22, seam hole physical model, 23, simulated formation water receptacle, 24. valves,
25, constant flow pump, 26, source of the gas, 27, simulated oil container 28, substrate
29, the second device for pressure measurement.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, be a kind of displacement simulation experimental facilities schematic diagram of the present invention's proposition.Displacement simulation experimental facilities is used for opposite joint hole physical model and carries out displacement test, comprising: seam hole physical model 22, end water device 17, first device for pressure measurement 19, second device for pressure measurement 29, source of the gas 26, constant flow pump 25, gas-flow rate controller 18, simulated oil container 27, simulated formation water receptacle 23, metering device 21; Wherein,
The mouth of a river, the end 14 of described seam hole physical model is all connected with water device of the described end 17, described second device for pressure measurement 29; Between water device of the described end 17 and described second device for pressure measurement 29, a valve 24 is set;
Described constant flow pump 25 is all connected with the entrance of described simulated oil container 27, the entrance of described simulated formation water receptacle 23, and the outlet of described simulated oil container 27, the outlet of described simulated formation water receptacle 23 are all connected with the inlet 10 of described seam hole physical model 22; The exit of described simulated oil container 27, the exit of described simulated formation water receptacle 23 all arrange valve 24;
Described source of the gas 26 is connected by valve 24 one end with described gas-flow rate controller 18, and the other end of described gas-flow rate controller 18 is connected with the inlet 10 of described seam hole physical model 22;
The inlet 10 of described seam hole physical model is connected with described first device for pressure measurement 19;
The extraction mouth 11 of described seam hole physical model is connected with described metering device 21 by valve 24.
In addition, the displacement test device of described fracture-pore reservoir also includes the camera head 20 for recording experimentation, and it is positioned at the front end of model.
Based on above-mentioned, present invention also offers a kind of displacement simulation experimental system, comprising: displacement simulation experimental facilities described above and seam hole physical model.Concrete structure situation, no longer repeats at this.
Actual fracture-pore reservoir has complexity, particularly little solution cavity and crack be distributed in feature, due to geological knowledge precision problem, often accurately cannot obtain the distribution of seam hole.But seam hole distribution also there is certain rule, such as stitch the type in hole, cavern, large fracture, tomography character with distribution can form certain understanding.Experiment seam hole model according to geological knowledge, Geologic modeling data etc., according to similarity principle, can design the seam hole physical model of fractured-cavernous carbonate reservoir.
In technique scheme, stitch hole physical model in displacement simulation experimental facilities various.Existing seam hole physical model is all applicable to the technical program.Introduce in displacement simulation experimental facilities wherein a kind of structure of stitching hole physical model below.
As shown in Figure 2, for stitching one of hole physical model structure schematic diagram in displacement simulation experimental facilities in embodiment.As shown in Figure 3, for stitching hole physical model structure schematic diagram two in displacement simulation experimental facilities in embodiment.Described seam hole physical model comprises:
Solution cavity 12, crack, substrate 28 and filler 9; Wherein,
Described solution cavity 12 is placed on described substrate 28 with described crack, and described solution cavity 12 is connected to one with described crack, and described filler 9 fills situation for simulating described solution cavity 12;
Described seam hole physical model is provided with inlet 10, extraction mouth 11 and the mouth of a river, the end 14.
In model, solution cavity is regular circle shapes shape, and solution cavity diameter is 200mm, 300mm, 400mm, 500mm, 600mm etc., adopts acrylic material to make.Crack adopts polytetrafluoroethylmaterial material pipeline to simulate, and pipeline internal diameter is 0.25mm, 0.50mm, 0.75mm, 1.00mm, 1.50mm, 2.00mm etc.Model is made up of crack, solution cavity, substrate, is placed on substrate after seam hole connects by model, forms seam hole two-dimensional network model.
As shown in Figure 4, be the solution cavity structural representation in the physical model of seam hole.As shown in Figure 5, be the solution cavity structural profile schematic diagram in the physical model of seam hole.Solution cavity 12 comprises solution cavity main body 2 and cover plate 1, and described solution cavity main body 2 comprises solution cavity chamber 4, solution cavity mould walls 7 and crack connecting hole 3; Described solution cavity chamber 4 is sealed by screw thread 6 and sealing ring 5 by described cover plate 1; Described crack connecting hole 3 is arranged in described solution cavity mould walls 7.
In model, solution cavity and crack are all without fixed character size, and crack is divided into large, medium and small three ranks, simulate (being of a size of between 0.25mm ~ 2mm) in experimental model by changing caliber.The crack of three ranks is respectively large level crack 13, middle rank crack 16, little rank crack 15.The external diameter of simulation fracture pipeline is identical, and crack by crack connecting hole, adopts pressure ring supporting with it, pressure-pad is connected with solution cavity.Pressure-pad connector, pressure ring connector all adopt polytetrafluoroethylmaterial material to make,
Solution cavity size can according to suitable change, and the solution cavity of different size is designed with sealing ring 5 supporting with it and cover plate 1.The design for disassembly of solution cavity, can realize filling simulation in solution cavity, simulates different filling extent and different fillings.Concrete charges are determined according to survey region Filling Characteristics, generally, adopt different-grain diameter quartz sand or glass marble to simulate loose and dense pack.Solution cavity filling extent (i.e. loading) is generally determined according to geological knowledge.Once be provided with filler in solution cavity cavity, in solution cavity cavity, comprise the non-pack portion 8 of solution cavity and solution-cavity filling part 9.
This fracture-pore reservoir visual displacement test device, closer to actual reservoir model, especially for Caves fracture-pore reservoir, can simulate the discretization distribution characteristics in seam hole.Simulation for filling solution cavity is more practical.In addition, the detachability of seam hole model strengthens operability and the flexibility of experiment, shortens the foundation of model, adjustment, maintenance period, and modelling technique is simple, can reuse, and greatly reduces experimental cost.
Below by specific embodiment, displacement simulation experimental facilities is described.
Embodiment 1
For the present embodiment, in order to simulate, the natural bottom water drive of a kind of seam hole type carbonate reservoir is rear for exploitation, waterflooding development, note N
2drive development process, wherein water filling and gas injection adopt seam note hole to adopt mode, and the inlet 10 namely stitching hole physical model is inlet, and the extraction mouth 11 of seam hole physical model is extraction mouth, specifically comprises the steps:
(1) model connects and back-up sand
Step one, as shown in Figure 4, experimentally model connecting sewing hole model, containing 12, solution cavity in model, wherein solution cavity interior diameter is 500mm totally 2, and solution cavity interior diameter is 400mm totally 3, and solution cavity interior diameter is 300mm totally 6, and solution cavity interior diameter is 200mm totally 1.19, crack, wherein, totally 3, large level crack, totally 4, middle rank crack, 12, little rank crack.Crack adopts pressure ring to be connected with solution cavity with pressure-pad.
Step 2, solution cavity back-up sand, adopts 30 order quartz sands for filling solution cavity as filling medium.First, calculate back-up sand volume according to solution cavity volume and design loading, then measure the quartz sand of respective volume, open solution cavity cover plate, sand is inserted in solution cavity.In involved model, without filling 1, solution cavity, filling extent is 1,25% solution cavity, and filling extent is 8,50% solution cavity, and filling extent is 2,75% solution cavity.
(2) saturated oils experiment
Step one, model vacuumizes, and adopts the arbitrary inlet of vacuum pump access model or extraction mouth, closes all the other all import and export, when pressure meter is shown as-0.1MPa, close all import and export, vacuumize complete.
Step 2, saturated oils, utilizes the negative pressure saturation simulation oil formed in vacuum, and for the ease of visual observation, experiment simulated oil adopts the process of soudan III reagent dyeing.In order to increase the speed of saturated oils, adopting constant flow pump 25 simulated oil to be pumped in seam hole physical model 22, opening constant flow pump 25-simulated oil container 27-and stitch hole physical model 22 pipeline, start saturated oils, record constant flow pump integrated flow, is saturated oil mass, until whole model all saturated complete till.
(3) bottom water drive is for experiment
Open inlet 10 and the extraction mouth 11 of seam hole model, access metering device 21, opens end water device 17-and stitches the mouth of a river 14 pipeline at the bottom of the physical model of hole, opens experiment camera head 20, open the second device for pressure measurement 29 connected with the mouth of a river, the end 14, start bottom water drive for experiment.In experimentation, moisture content, the model bottom water drive of real time record inlet 10 and extraction mouth 11 are stitched bottom water drive in the model of hole replace process for pressure, videographs.When the moisture content of arbitrary mouthful in inlet 10 with extraction mouth 11 is greater than 98%, close corresponding mouth, until inlet 10 and extraction mouth 11 are when all moisture content all reaches 98%, bottom water drive terminates for experiment.
This experiment can obtain specific fracture-pore reservoir bottom water drive for bottom water drive in process for pressure reduction change, and inlet 10 and extraction mouth 11 water breakthrough time, moisture content, production rate, production fluid speed, oil recovery, bottom water drive are for remaining oil distribution etc.
(4) displacement in flooding experiment
For ease of model visualization, inject hydromining methylene blue staining.In the injecting process, end water passage stays open, and opens end water device 17-and stitches the mouth of a river 14 pipeline at the bottom of the physical model of hole.Open constant flow pump 25-simulated formation water receptacle 23-and stitch hole physical model inlet 10 pipeline, open seam hole physical model extraction mouth 11-metering device 21 pipeline, open experiment camera head 20, open the first device for pressure measurement 19 connected with the mouth of a river, the end 14 and inlet 10, according to the waterflood injection rate of setting, start displacement in flooding experiment, the moisture content of real time record extraction mouth 11, model displacement in flooding pressure, bottom water drive are for pressure, and videograph stitches displacement in flooding process in the model of hole.When extraction mouth 11 moisture content is greater than 98%, close extraction mouth, displacement in flooding experiment terminates.
This experiment can obtain specific fracture-pore reservoir (seam note hole is adopted) under specific injection mode, displacement pressure reduction change in displacement in flooding process, extraction mouth moisture content, production rate, production fluid speed, oil recovery, displacement in flooding remaining oil distribution etc.
(5) N is noted
2displacement test
Note N
2in process, end water passage stays open, and opens end water device 17-and stitches the mouth of a river 14 pipeline at the bottom of the physical model of hole, open N
2source of the gas 26-gas-flow rate controller 18-stitches hole physical model inlet 10 pipeline, open seam hole physical model extraction mouth 11-metering device 21 pipeline, open experiment camera head 20, open the first device for pressure measurement 19 connecting and be connected with inlet 10 with second device for pressure measurement 29 at the mouth of a river, the end 14, according to the gas injection speed of setting, start gas injection displacement test, moisture content, the void fraction of real time record extraction mouth 11, model gas injection displacement pressure, bottom water drive are for pressure, and videograph stitches gas injection displacement process in the model of hole.When extraction mouth 11 moisture content is greater than 98%, close extraction mouth, gas injection displacement test terminates.
This experiment can obtain specific fracture-pore reservoir (seam note hole is adopted) under specific injection mode, displacement pressure reduction change in gas injection displacement process, extraction mouth moisture content, void fraction, production rate, production fluid speed, oil recovery, gas injection displacement remaining oil distribution etc.
Embodiment 2
For the present embodiment for the natural bottom water drive of simulation a kind of seam hole type carbonate reservoir for after exploitation, waterflooding development and note N
2drive development process, wherein water filling and gas injection adopt note hole, hole to adopt mode, and namely stitching hole physical model inlet 10 is inlet, and seam hole physical model extraction mouth 11 is extraction mouth, specifically comprises the steps:
(1) model connects and back-up sand
Step one, as shown in Figure 5, experimentally model connecting sewing hole model, containing 15, solution cavity in model, wherein solution cavity interior diameter is 500mm totally 4, and solution cavity interior diameter is 400mm totally 1, and solution cavity interior diameter is 300mm totally 10, and solution cavity interior diameter is 200mm totally 1.30, crack, totally 6, its middle and big class crack, totally 24, little rank crack.Crack adopts pressure ring to be connected with solution cavity with pressure-pad.
Step 2, solution cavity back-up sand, adopts 30 order quartz sands for filling solution cavity as filling medium.First, calculate back-up sand volume according to solution cavity volume and design loading, then measure the quartz sand of respective volume, open solution cavity cover plate, sand is inserted in solution cavity.In involved model, filling extent is 1,25% solution cavity, and filling extent is 12,50% solution cavity, and filling extent is 2,75% solution cavity.
(2) saturated oils experiment
Step one, model vacuumizes, and adopts the arbitrary inlet of vacuum pump access model or extraction mouth, closes all the other all import and export, when pressure meter is shown as-0.1MPa, close all import and export, vacuumize complete.
Step 2, saturated oils, utilizes the negative pressure saturation simulation oil formed in vacuum, and for the ease of visual observation, experiment simulated oil adopts the process of soudan III reagent dyeing.In order to increase the speed of saturated oils, adopting constant flow pump 25 simulated oil to be pumped in seam hole physical model 22, opening constant flow pump 25-simulated oil container 27-and stitch hole physical model 22 pipeline, start saturated oils, record constant flow pump integrated flow, is saturated oil mass, until whole model all saturated complete till.
(3) bottom water drive is for experiment
Open seam hole physical model inlet 10 and extraction mouth 11, access metering device 21, opens end water device 17-and stitches the mouth of a river 14 pipeline at the bottom of the physical model of hole, opens experiment camera head 20, open the second device for pressure measurement 29 connected with the mouth of a river, the end 14, start bottom water drive for experiment.In experimentation, moisture content, the model bottom water drive of real time record extraction mouth 11 and inlet 10 are stitched bottom water drive in the model of hole replace process for pressure, videographs.When arbitrary mouthful of moisture content is greater than 98% in extraction mouth 11 with inlet 10, close corresponding mouth, until when extraction mouth 11 all reaches 98% with the equal moisture content of inlet 10, bottom water drive terminates for experiment.
This experiment can obtain specific fracture-pore reservoir bottom water drive for bottom water drive in process for pressure reduction change, and the water breakthrough time of extraction mouth 11 and inlet 10, moisture content, production rate, production fluid speed, oil recovery, bottom water drive are for remaining oil distribution etc.
(4) displacement in flooding experiment
For ease of model visualization, inject hydromining methylene blue staining.In the injecting process, end water passage stays open, and opens end water device 17-and stitches the mouth of a river 14 pipeline at the bottom of the physical model of hole.Open constant flow pump 25-Simulated Water container 23-and stitch hole physical model inlet 10 pipeline, open seam hole physical model extraction mouth 11-metering device 21 pipeline, open experiment camera head 20, open the first device for pressure measurement 19 connecting and be connected with inlet 10 with second pressure apparatus 29 at the mouth of a river, the end 14, according to the waterflood injection rate of setting, start displacement in flooding experiment, the moisture content of real time record extraction mouth 11, model displacement in flooding pressure, bottom water drive are for pressure, and videograph stitches displacement in flooding process in the model of hole.When extraction mouth 11 moisture content is greater than 98%, close extraction mouth, displacement in flooding experiment terminates.
This experiment can obtain specific fracture-pore reservoir (note hole, hole is adopted) under specific injection mode, displacement pressure reduction change in displacement in flooding process, extraction mouth moisture content, production rate, production fluid speed, oil recovery, displacement in flooding remaining oil distribution etc.
(5) N is noted
2displacement test
Note N
2in process, end water passage stays open, and opens end water device 17-and stitches the mouth of a river 14 pipeline at the bottom of the physical model of hole, open N
2source of the gas 26-gas-flow rate controller 18-stitches hole physical model inlet 10 pipeline, open seam hole physical model extraction mouth 11-metering device 21 pipeline, open experiment camera head 20, open the first device for pressure measurement 19 connecting and be connected with inlet 10 with second pressure apparatus 29 at the mouth of a river, the end 14, according to the gas injection speed of setting, start gas injection displacement test, moisture content, the void fraction of real time record extraction mouth 11, model gas injection displacement pressure, bottom water drive are for pressure, and videograph stitches gas injection displacement process in the model of hole.When extraction mouth 11 moisture content is greater than 98%, close extraction mouth, gas injection displacement test terminates.
This experiment can obtain specific fracture-pore reservoir (note hole, hole is adopted) under specific injection mode, displacement pressure reduction change in gas injection displacement process, extraction mouth moisture content, void fraction, production rate, production fluid speed, oil recovery, gas injection displacement remaining oil distribution etc.
For seam hole physical model, can change with extraction mouth 11 for the mouth of a river 14, inlet 10 at the bottom of different seam hole models.When simulating bottom water drive for experiment, end water is injected by the mouth of a river, the end 14, and inlet 10 and extraction mouth 11 all can be used as extraction mouth.When simulating water filling, gas injection or noting foam displacement test, end water can be opened and closedown as required, and inlet 10 can be selected for inlet, and extraction mouth 11 is that extraction mouth or inlet 10 are extraction mouth, extraction mouth 11 is inlet, forms a note one and adopts simulation.When to adopt mouth be many mouthfuls to note, many notes can be realized and adopt simulation more.
This experimental facilities can be used for fracture-pore reservoir bottom water drive, filled drive, gas injection are driven, foam flooding and the research of other displacement test.The change of the index such as two-phase or multiphase fluid movement and different phase recovery ratio, moisture content, void fraction, producing pressure differential in the fracture-pore reservoir of research different structure, remaining oil distribution characteristics under research water drive, gas drive, foam flooding and other displacement modes.For fracture and vug carbonate reservoir Efficient Development provides theoretical foundation and technical support.
Above-described detailed description of the invention; object of the present invention, technical scheme and beneficial effect are further described; be understood that; the foregoing is only the specific embodiment of the present invention; the protection domain be not intended to limit the present invention; within the spirit and principles in the present invention all, any amendment made, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a displacement simulation experimental system, is characterized in that, comprising: displacement simulation experimental facilities and seam hole physical model;
Described displacement simulation experimental facilities is used for opposite joint hole physical model and carries out displacement test, comprising: end water device, the first device for pressure measurement, the second device for pressure measurement, source of the gas, constant flow pump, gas-flow rate controller, simulated oil container, simulated formation water receptacle, metering device; Wherein,
The mouth of a river, the end of described seam hole physical model is all connected with water device of the described end, described second device for pressure measurement;
Described constant flow pump is all connected with the entrance of described simulated oil container, the entrance of described simulated formation water receptacle, and the outlet of described simulated oil container, the outlet of described simulated formation water receptacle are all connected with the inlet of described seam hole physical model;
Described source of the gas is connected with one end of described gas-flow rate controller, and the other end of described gas-flow rate controller is connected with the inlet of described seam hole physical model;
The inlet of described seam hole physical model is connected with described first device for pressure measurement;
The extraction mouth of described seam hole physical model is connected with described metering device.
2. displacement simulation experimental system as claimed in claim 1, it is characterized in that, described displacement simulation experimental facilities also comprises video camera;
Described video camera, for recording the experimentation of experimental facilities.
3. displacement simulation experimental system as claimed in claim 1 or 2, it is characterized in that, described seam hole physical model comprises:
Solution cavity, crack, substrate and filler; Wherein,
Described solution cavity and described crack are placed on described substrate, and described solution cavity and described crack are connected to one, and described filler fills situation for simulating described solution cavity;
Described seam hole physical model is provided with inlet, extraction mouth and the mouth of a river, the end.
4. displacement simulation experimental system as claimed in claim 3, it is characterized in that, described solution cavity comprises solution cavity main body and cover plate, and described solution cavity main body comprises solution cavity chamber, solution cavity mould walls and crack connecting hole; Described solution cavity chamber is sealed by helicitic texture and sealing ring by described cover plate; Described crack connecting hole is arranged in described solution cavity mould walls.
5. displacement simulation experimental system as claimed in claim 4, is characterized in that, described solution cavity is connected with described crack by crack connecting hole, adopts pressure-pad connector and pressure ring seal described solution cavity and described crack to be connected in one.
6. displacement simulation experimental system as claimed in claim 3, it is characterized in that, described solution cavity is regular circle shapes shape.
7. displacement simulation experimental system as claimed in claim 3, it is characterized in that, described filler is quartz sand.
8. displacement simulation experimental system as claimed in claim 3, is characterized in that, described crack adopts polytetrafluoroethylmaterial material pipeline to simulate.
9. a displacement simulation experimental facilities, displacement test is carried out for opposite joint hole physical model, it is characterized in that, comprising: end water device, the first device for pressure measurement, the second device for pressure measurement, source of the gas, constant flow pump, gas-flow rate controller, simulated oil container, simulated formation water receptacle, metering device; Wherein,
The mouth of a river, the end of described seam hole physical model is all connected with water device of the described end, described second device for pressure measurement;
Described constant flow pump is all connected with the entrance of described simulated oil container, the entrance of described simulated formation water receptacle, and the outlet of described simulated oil container, the outlet of described simulated formation water receptacle are all connected with the inlet of described seam hole physical model;
Described source of the gas is connected with one end of described gas-flow rate controller, and the other end of described gas-flow rate controller is connected with the inlet of described seam hole physical model;
The inlet of described seam hole physical model is connected with described first device for pressure measurement;
The extraction mouth of described seam hole physical model is connected with described metering device.
10. displacement simulation experimental facilities as claimed in claim 9, is characterized in that, also comprise video camera;
Described video camera, for recording the experimentation of experimental facilities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510712937.6A CN105178927B (en) | 2015-10-28 | 2015-10-28 | A kind of displacement simulation experimental provision and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510712937.6A CN105178927B (en) | 2015-10-28 | 2015-10-28 | A kind of displacement simulation experimental provision and system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105178927A true CN105178927A (en) | 2015-12-23 |
| CN105178927B CN105178927B (en) | 2018-02-27 |
Family
ID=54901282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510712937.6A Active CN105178927B (en) | 2015-10-28 | 2015-10-28 | A kind of displacement simulation experimental provision and system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105178927B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437644A (en) * | 2016-09-14 | 2017-02-22 | 中国石油大学(华东) | Large bottom water sandstone oil reservoir development physical simulation experiment device and working method thereof |
| CN109296347A (en) * | 2018-06-13 | 2019-02-01 | 西南石油大学 | A kind of direct observation simulator and method of low mineralization water drive |
| CN110043253A (en) * | 2019-04-15 | 2019-07-23 | 西南石油大学 | Multi-functional fracture hole oil reservoir high-temperature and high-pressure visual injecting physical model |
| CN110541691A (en) * | 2019-09-26 | 2019-12-06 | 中国地质大学（北京） | Visual water displacement experimental device and method for heterogeneous sandstone reservoir |
| CN111101910A (en) * | 2019-11-19 | 2020-05-05 | 中海石油(中国)有限公司深圳分公司 | Water displacement experimental device and experimental method for bottom water two-dimensional flat plate physical model |
| CN111119806A (en) * | 2019-12-30 | 2020-05-08 | 中国地质大学（武汉） | Method for simulating bottom water-driven oil extraction of collapsed and piled reservoir body |
| CN111206926A (en) * | 2020-01-17 | 2020-05-29 | 中海石油(中国)有限公司 | Sea-phase sandstone bottom water thickened oil reservoir sweep coefficient measuring device and method |
| CN118153404A (en) * | 2024-05-11 | 2024-06-07 | 中国地质大学（北京） | Construction method and device of gas mutual flooding model, computer equipment and storage medium |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615241A (en) * | 2013-12-10 | 2014-03-05 | 西南石油大学 | Fully-three-dimensional simulated visualized displacement simulation experiment system of fractured-vuggy oil reservoir |
| CN103670350A (en) * | 2013-12-13 | 2014-03-26 | 中国石油化工股份有限公司石油勘探开发研究院 | Variable intensity water injection exploitation method for carbonate fracture-cavity oil reservoir |
| CN203685173U (en) * | 2014-01-17 | 2014-07-02 | 中国石油化工股份有限公司石油勘探开发研究院 | Seam cave type carbonate reservoir three-dimensional macro simulation and physical simulation experiment device |
| CN104727788A (en) * | 2015-02-06 | 2015-06-24 | 西南石油大学 | Three-dimensional single-well gas injection oil replacement simulation experiment device for fracture-cavity reservoir |
| CN205089299U (en) * | 2015-10-28 | 2016-03-16 | 中国石油大学(北京) | Displacement simulation experiment device and system |
-
2015
- 2015-10-28 CN CN201510712937.6A patent/CN105178927B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615241A (en) * | 2013-12-10 | 2014-03-05 | 西南石油大学 | Fully-three-dimensional simulated visualized displacement simulation experiment system of fractured-vuggy oil reservoir |
| CN103670350A (en) * | 2013-12-13 | 2014-03-26 | 中国石油化工股份有限公司石油勘探开发研究院 | Variable intensity water injection exploitation method for carbonate fracture-cavity oil reservoir |
| CN203685173U (en) * | 2014-01-17 | 2014-07-02 | 中国石油化工股份有限公司石油勘探开发研究院 | Seam cave type carbonate reservoir three-dimensional macro simulation and physical simulation experiment device |
| CN104727788A (en) * | 2015-02-06 | 2015-06-24 | 西南石油大学 | Three-dimensional single-well gas injection oil replacement simulation experiment device for fracture-cavity reservoir |
| CN205089299U (en) * | 2015-10-28 | 2016-03-16 | 中国石油大学(北京) | Displacement simulation experiment device and system |
Non-Patent Citations (2)
| Title |
|---|
| 侯吉瑞等: "碳酸盐岩缝洞型油藏氮气驱提高采收率的影响因素", 《油气地质与采收率》 * |
| 李海波等: "碳酸盐岩缝洞型油藏氮气泡沫驱提高采收率机理可视化研究", 《油气地质与采收率》 * |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106437644A (en) * | 2016-09-14 | 2017-02-22 | 中国石油大学(华东) | Large bottom water sandstone oil reservoir development physical simulation experiment device and working method thereof |
| CN106437644B (en) * | 2016-09-14 | 2019-07-09 | 中国石油大学(华东) | Outsole water sandstone oil reservoir develops physical simulation experiment device and its working method |
| CN109296347A (en) * | 2018-06-13 | 2019-02-01 | 西南石油大学 | A kind of direct observation simulator and method of low mineralization water drive |
| CN109296347B (en) * | 2018-06-13 | 2021-04-20 | 西南石油大学 | Direct observation simulation device and method for low-salinity water flooding |
| CN110043253A (en) * | 2019-04-15 | 2019-07-23 | 西南石油大学 | Multi-functional fracture hole oil reservoir high-temperature and high-pressure visual injecting physical model |
| CN110541691A (en) * | 2019-09-26 | 2019-12-06 | 中国地质大学（北京） | Visual water displacement experimental device and method for heterogeneous sandstone reservoir |
| CN111101910A (en) * | 2019-11-19 | 2020-05-05 | 中海石油(中国)有限公司深圳分公司 | Water displacement experimental device and experimental method for bottom water two-dimensional flat plate physical model |
| CN111119806A (en) * | 2019-12-30 | 2020-05-08 | 中国地质大学（武汉） | Method for simulating bottom water-driven oil extraction of collapsed and piled reservoir body |
| CN111119806B (en) * | 2019-12-30 | 2021-03-19 | 中国地质大学（武汉） | Method for simulating bottom water-driven oil extraction of collapsed and piled reservoir body |
| CN111206926A (en) * | 2020-01-17 | 2020-05-29 | 中海石油(中国)有限公司 | Sea-phase sandstone bottom water thickened oil reservoir sweep coefficient measuring device and method |
| CN111206926B (en) * | 2020-01-17 | 2023-05-16 | 中海石油(中国)有限公司 | Device and method for measuring sweep coefficient of marine sandstone bottom water heavy oil reservoir |
| CN118153404A (en) * | 2024-05-11 | 2024-06-07 | 中国地质大学（北京） | Construction method and device of gas mutual flooding model, computer equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105178927B (en) | 2018-02-27 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105178926B (en) | Fractured-cavernous carbonate reservoir physical model, displacement simulation experimental provision and system | |
| CN105178927A (en) | Displacement simulation experimental device and system | |
| CN106437644B (en) | Outsole water sandstone oil reservoir develops physical simulation experiment device and its working method | |
| CN105041280B (en) | A kind of carbon dioxide mixed phase that realizes drives the method and apparatus of laboratory experiment | |
| CN105156102B (en) | Bottom water reservoir water energy three-dimensional physical simulation device and method | |
| CN105715239B (en) | Visualize nanometer magnetofluid tablet oil displacement experiment device and experimental method | |
| CN102720476B (en) | O-shaped well physical simulation experiment device | |
| CN103510950B (en) | A kind of complex structural well formation flow and Bottomhole pressure Coupled Flow experimental system | |
| CN102797458B (en) | For the three-dimensional simulation device of bottom and edge water | |
| CN108680339A (en) | A kind of the visualization crack device and its working method of simulation fracture closure and leak-off | |
| CN102587894B (en) | Horizontal well seepage experimental device | |
| CN108875148A (en) | The method for building up and model of fractured-cavernous carbonate reservoir fracture hole distribution map and application | |
| CN103967460B (en) | A kind of oil reservoir side water water enchroachment (invasion) visual Simulation device for considering well pattern and influenceing | |
| CN102518421A (en) | Physical simulation visualization experimental device and forming method thereof | |
| CN102704911A (en) | Multilateral well experimental model, system and sand filling method | |
| CN109372478A (en) | A kind of experimental method and device of determining immiscible drive-gas displacement oil mining method | |
| CN202718673U (en) | Visual physical simulation device for bottom-water reservoirs | |
| CN204677175U (en) | A kind of Carbonate Reservoir horizontal well gas-injection displacement of reservoir oil three-dimensional physical simulation experimental system | |
| CN110219625A (en) | Flood pot test system based on 3D printing three-dimensional fracture-pore reservoir model | |
| CN107060718A (en) | Fracture support agent lays analogue experiment installation and method | |
| CN205089298U (en) | Fracture type carbonate oil reservoir physical model , displacement simulation experiment device and system | |
| CN107725042A (en) | A kind of large-scale fracture and vug carbonate reservoir physical simulation experiment device of HTHP and method | |
| CN107218029A (en) | A kind of plain heterogeneity model, note adopt analogue experiment installation and method | |
| CN205089299U (en) | Displacement simulation experiment device and system | |
| CN107575209B (en) | Large visual physical simulation experiment device and method for fractured-vuggy carbonate reservoir |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |