CN103352695A - Visualization physical simulation device with consideration of interlamination fluid channeling - Google Patents
Visualization physical simulation device with consideration of interlamination fluid channeling Download PDFInfo
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- CN103352695A CN103352695A CN2013102887405A CN201310288740A CN103352695A CN 103352695 A CN103352695 A CN 103352695A CN 2013102887405 A CN2013102887405 A CN 2013102887405A CN 201310288740 A CN201310288740 A CN 201310288740A CN 103352695 A CN103352695 A CN 103352695A
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Abstract
The invention provides a visualization physical simulation device with consideration of interlamination fluid channeling. An entry end of a model system of the simulation device is connected with an injection system, and an exit end of the model system is connected with a collection device; the model system is formed by two or more transparent sealing containers which are arranged in a juxtaposed mode; an input pipe is arranged at one end of each sealing container, and an output pipe is arranged at the other end of each sealing container; the input pipes of the sealing containers are in parallel connection with one another; at least two connecting holes are formed in positions, opposite to the side wall of a container adjacent to the container, of the container at intervals, and the connecting holes in the sealing containers are respectively connected with the connecting holes in opposite side walls of the adjacent sealing containers through connecting pipes; porous media are filled in the sealing containers. The simulation device can simulate heterogeneous reservoirs of different development modes, oil and water displacement and movemnet rules especially for interlamination fluid exchange phenomenon can be clearly observed, thus the oil-water percolation mechanism in the heterogeneous reservoirs is researched, and meanwhile evaluation on effects of the different development mode of the heterogeneous reservoirs is carried out.
Description
Technical field
The invention relates to a kind of visual reservoir physical simulation experimental facilities, relate in particular to a kind of visual physical simulating device for oil gas water three phase seepage flow in the simulation crossflow situation.
Background technology
Along with the global economy fast development, human also increasing to the demand of oil.At present, because exploration engineering entered bottleneck, the discovery of new block is more and more difficult, so carry out Study on residual oil distribution and improve recovery efficiency technique research more and more important.Common research method has numerical reservoir simulation method and reservoir physical simulation method, because the complexity of subsurface deposit, method for numerical simulation is difficult to truly simulate formation fluid seepage flow situation, and physical simulating method approximate simulation oil reservoir actual conditions under certain condition, thereby Study of The Underground fluid percolation law better is for the Tapping Residual Oil strategy and improve recovery efficiency technique guidance is provided.
Physical analogy is to carry out one of important means of scientific experimentation research according to the principle of similitude.The reservoir physical simulation technology can reflect the underground fluid characteristics of motion and extensive use in petroleum industry more really, and what the one dimension physical simulation experiment that carries out both at home and abroad at present used is artificial core or sand-filling tube model mostly.And according to well logging and rock core information analysis, many oil reservoirs have strong non-homogeneity vertical, even show as stratified reservoir; Channelling can occur when flowing in fluid between the layers in actual formation, thereby can affect laboratory physical simulation experiment result's accuracy.The impact that the artificial core that uses both at home and abroad at present or sand-filling tube model can not be considered this crossflow, more can not observe distribution and the flow direction of fluid between different permeability reservoirs, thereby experimental result can not react the percolation law of fluid in the actual formation truly, even can formulate rational production measure to Oil Field and form and mislead.Therefore, study a kind of physical simulating device that can consider the crossflow effect, particularly can realize that to the seepage flow situation visual experimental facilities has very important theoretical significance and actual application value.
Thus, the inventor relies on experience and the practice of being engaged in for many years relevant industries, proposes a kind of visual physical simulating device of considering crossflow, to overcome the defective of prior art.
Summary of the invention
The object of the present invention is to provide a kind of visual physical simulating device of considering crossflow, in order to simulate the heterogeneous reservoir under the different development schemes, by the clear observation profit migration rule of this device energy, particularly inter-layer fluid exchanges phenomenon, thereby oil-water seepage mechanism in the research heterogeneous reservoir is to carry out the different development scheme effect assessments of heterogeneous reservoir.
The object of the present invention is achieved like this, a kind of visual physical simulating device of considering crossflow, described visual physical simulating device includes model system, and the entrance point of this model system connects injected system, and the port of export of model system connects gathering-device; Described model system is the airtight container that is set up in parallel up and down by two or more and consists of; Described airtight container one end is provided with input pipe, and the other end is provided with efferent duct; The described entrance point of the input pipe of described each airtight container formation parallel with one another; At least be interval with two connecting holes on the sidewall relative with adjacent container on the described airtight container, each connecting hole on the described airtight container is connected by the connecting hole on the opposing sidewalls of tube connector and adjacent airtight container respectively; Described airtight container and between tube connector made by transparent material; Be filled with porous media in the described airtight container.
In a better embodiment of the present invention, the described airtight container that is set up in parallel is for going to upper and lower arranged side by side or left and right being set up in parallel.
In a better embodiment of the present invention, described airtight container is made of the seal cover at a cylinder and two ends thereof; Described cylinder is horizontally set; One end seal cover is provided with input pipe, and other end seal cover is provided with efferent duct; Be provided with filter screen between described each seal cover medial surface and the cylinder end.
In a better embodiment of the present invention, described injected system includes a plurality of intermediate receptacles that are arranged in parallel, and the import of described a plurality of intermediate receptacles is respectively equipped with valve and all is connected in a displacement pump; The outlet of described a plurality of intermediate receptacles is connected with the entrance point of model system by a six-way valve; Also connect a supply air line on the described six-way valve, be sequentially with gas cylinder, reducing valve, pressure meter and mass-flow gas meter on this supply air line; The efferent duct of described each airtight container connects a graduated cylinder by respective valves respectively; Be provided with image capturing system on described model system next door.
In a better embodiment of the present invention, described image capturing system is made of camera and connected computer.
In a better embodiment of the present invention, described model system is made of three airtight containers that are set up in parallel.
In a better embodiment of the present invention, described porous media is quartz sand or reservoir sand.
In a better embodiment of the present invention, described transparent material is tempered glass.
From the above mentioned, the present invention considers the visual physical simulating device of crossflow, can simulate the heterogeneous reservoir under the different development schemes, by the clear observation profit migration rule of this device energy, particularly inter-layer fluid exchanges phenomenon, thereby oil-water seepage mechanism in the research heterogeneous reservoir is carried out the different development scheme effect assessments of heterogeneous reservoir simultaneously.
Description of drawings
The following drawings only is intended to the present invention done and schematically illustrates and explain, not delimit the scope of the invention.Wherein:
Fig. 1: the structural representation of considering the visual physical simulating device of crossflow for the present invention.
Fig. 2: be the structural representation of model system among the present invention.
Fig. 3: be the structural representation of airtight container among the present invention.
The specific embodiment
Understand for technical characterictic of the present invention, purpose and effect being had more clearly, now contrast description of drawings the specific embodiment of the present invention.
Such as Fig. 1, Fig. 2 and shown in Figure 3, the present invention proposes a kind of visual physical simulating device 100 of considering crossflow, described visual physical simulating device 100 includes model system 1, and the entrance point of this model system 1 connects injected system 2, and the port of export of model system 1 connects gathering-device 3; As shown in Figure 2, described model system 1 is up and down by two or more or the airtight container 11 that is set up in parallel about being consists of, and in the present embodiment, three airtight containers 11 is set; Described airtight container 11 1 ends are provided with input pipe 114, and the other end is provided with efferent duct 115; The described entrance point of input pipe 114 formations parallel with one another of described each airtight container 11; At least be interval with two connecting hole 113(as shown in Figure 3 on the sidewall relative with adjacent container on the described airtight container 11), each connecting hole 113 on the described airtight container is connected by the connecting hole on the opposing sidewalls of tube connector 116 and adjacent airtight container respectively that (described tube connector 116 is connected with connecting hole 113 with connected mode that can be for convenience detach; Described connecting hole 113 also can be according to circumstances by shutoff); Described airtight container 11 and between tube connector 116 made by transparent material, be to be made by tempered glass in the present embodiment; Be filled with porous media in the described airtight container 11, described porous media is quartz sand or reservoir sand; The porous media of filling in described each airtight container 11 can be the medium (simulation Homogeneous Reservoir) of identical order number, also can be the medium (simulation heterogeneous reservoir) of different meshes; Be provided with image capturing system 4 on described model system 1 next door, but under the different displacement modes of real time record, the transport conditions of fluid in porous media.
From the above mentioned, the present invention considers the visual physical simulating device of crossflow, can simulate the heterogeneous reservoir under the different development schemes, by the clear observation profit migration rule of this device energy, particularly inter-layer fluid exchanges phenomenon, thereby oil-water seepage mechanism in the research heterogeneous reservoir is carried out the different development scheme effect assessments of heterogeneous reservoir simultaneously.
Further, as shown in Figure 1, in the present embodiment, described injected system 2 includes a plurality of intermediate receptacles 21,22,23 and 24 that are arranged in parallel, in the intermediate receptacle 21 formation water is housed, in the intermediate receptacle 22 formation oil is housed, in the intermediate receptacle 23 foam solution is housed, intermediate receptacle 24 is intermediate receptacle for subsequent use; Import and the outlet of described a plurality of intermediate receptacles are respectively equipped with respective valves, and the import of described a plurality of intermediate receptacles is connected in a displacement pump 25; The outlet of described a plurality of intermediate receptacles is connected (can between the entrance point of six-way valve 26 and model system 1 foam maker 28 be set as required) by a six-way valve 26 with the entrance point of model system 1; Also connect a supply air line 27 on the described six-way valve 26, be sequentially with gas cylinder 271, reducing valve 272, pressure meter 273 and mass-flow gas meter 274 on this supply air line 27; The efferent duct 115 of described each airtight container 11 connects a graduated cylinder 31 by respective valves respectively; Described image capturing system 4 is made of camera 41 and connected computer 42.
As shown in Figure 3, in the present embodiment, described airtight container 11 is made of the seal cover 112 at a cylinder 111 and two ends thereof; Described cylinder 111 is horizontally set; One end seal cover 112 is provided with input pipe 114, and other end seal cover 112 is provided with efferent duct 115; Be provided with the filter screen (not shown) between described each seal cover 112 medial surface and cylinder 111 ends, go out model system to prevent porous media flow.
The present invention considers that the concrete use procedure of visual physical simulating device of crossflow is as follows:
(1) back-up sand:
At first fix a filter screen in the seal cover of airtight container one end, the order number of selected filter screen is higher than the order number of the particulate porous medium of testing usefulness, builds seal cover and tightens; With sealed screw the connecting hole of airtight container one side is blocked (at this moment, connecting hole does not also connect described tube connector) again; Airtight container is erect, filled up the particulate porous medium of a certain amount of, certain order number in the airtight container, according to this medium of requirement of experiment compacting; At the inboard fixing same filter screen of another seal cover, cover seal cover and tighten;
With two other identical airtight container filling porous media in the same way; The porous media of filling in these two airtight containers can with first airtight container in what fill is the medium (simulation Homogeneous Reservoir) of identical order number, also can be the medium (simulation heterogeneous reservoir) of different meshes; Decide according to requirement of experiment;
(2) saturation water process:
As shown in Figure 1, utilize entrance point and the six-way valve 26 of pipeline link model system 1, open intermediate receptacle 21 port of export valves, intermediate receptacle 21 arrival ends link to each other with displacement pump 25; Open the shift knob on the displacement pump 25, to airtight container 11 interior injection saturation waters, until model is fully saturated, close respective valves with certain speed.Use the same method two other airtight container is carried out saturation water.
(3) saturated oils process:
Utilize entrance point and the six-way valve 26 of pipeline link model system 1, open intermediate receptacle 22 port of export valves, intermediate receptacle 22 arrival ends link to each other with displacement pump 10; Open the shift knob on the displacement pump 25, to airtight container 11 interior injection simulated oil, until saturated volume required, close the entrance controlled valve with certain speed.Use the same method two other airtight container is carried out saturated oils.
(4) flood pot test:
With tube connector 116 connecting hole on three airtight container sidewalls is connected (as shown in Figure 2) successively, utilize entrance point and the six-way valve 26 of pipeline link model system 1, open intermediate receptacle 21 port of export valves, intermediate receptacle 21 arrival ends link to each other with displacement pump 25; Open the shift knob on the displacement pump 25, to each airtight container 11 interior injection formation water, carry out flood pot test with certain speed.With graduated cylinder 31 metering port of export production fluid amounts, oil production, calculate aquifer yield and moisture content, until the model port of export is fuel-displaced hardly, moisture content reaches more than 90%, closes respective valves and stops water drive.
(5) foam flooding experiment:
Be communicated with the controlled valve on the intermediate receptacle 23 that the rear foam solution of dyeing is housed, open the valve of supply air line 27, by mass-flow gas meter 274 and displacement pump 25, with identical speed to model system 1 interior injecting gas and foam solution, with the whole displacement process of image capturing system 4 records, observe the migration rule of foam in porous media, and in the crossflow situation oil-water seepage rule in the foam flooding process.
The present invention considers the visual physical simulating device of crossflow, can simulate the heterogeneous reservoir under the different development schemes, by the clear observation profit migration rule of this device energy, particularly inter-layer fluid exchanges phenomenon, thereby oil-water seepage mechanism in the research heterogeneous reservoir is carried out the different development scheme effect assessments of heterogeneous reservoir simultaneously.
The above only is the schematic specific embodiment of the present invention, is not to limit scope of the present invention.Any those skilled in the art, the equivalent variations of having done under the prerequisite that does not break away from design of the present invention and principle and modification all should belong to the scope of protection of the invention.
Claims (8)
1. visual physical simulating device of considering crossflow, described visual physical simulating device includes model system, and the entrance point of this model system connects injected system, and the port of export of model system connects gathering-device; It is characterized in that: described model system is the airtight container that is set up in parallel by two or more and consists of; Described airtight container one end is provided with input pipe, and the other end is provided with efferent duct; The described entrance point of the input pipe of described each airtight container formation parallel with one another; At least be interval with two connecting holes on the sidewall relative with adjacent container on the described airtight container, each connecting hole on the described airtight container is connected by the connecting hole on the opposing sidewalls of tube connector and adjacent airtight container respectively; Described airtight container and between tube connector made by transparent material; Be filled with porous media in the described airtight container.
2. the visual physical simulating device of consideration crossflow as claimed in claim 1, it is characterized in that: the described airtight container that is set up in parallel is for going to upper and lower arranged side by side or left and right being set up in parallel.
3. the visual physical simulating device of consideration crossflow as claimed in claim 2, it is characterized in that: described airtight container is made of the seal cover at a cylinder and two ends thereof; Described cylinder is horizontally set; One end seal cover is provided with input pipe, and other end seal cover is provided with efferent duct; Be provided with filter screen between described each seal cover medial surface and the cylinder end.
4. the visual physical simulating device of consideration crossflow as claimed in claim 3, it is characterized in that: described injected system includes a plurality of intermediate receptacles that are arranged in parallel, and the import of described a plurality of intermediate receptacles is respectively equipped with valve and all is connected in a displacement pump; The outlet of described a plurality of intermediate receptacles is connected with the entrance point of model system by a six-way valve; Also connect a supply air line on the described six-way valve, be sequentially with gas cylinder, reducing valve, pressure meter and mass-flow gas meter on this supply air line; The efferent duct of described each airtight container connects a graduated cylinder by respective valves respectively; Be provided with image capturing system on described model system next door.
5. the visual physical simulating device of consideration crossflow as claimed in claim 4, it is characterized in that: described image capturing system is made of camera and connected computer.
6. the visual physical simulating device of consideration crossflow as claimed in claim 1, it is characterized in that: described model system is made of three airtight containers that are set up in parallel.
7. the visual physical simulating device of consideration crossflow as claimed in claim 1, it is characterized in that: described porous media is quartz sand or reservoir sand.
8. the visual physical simulating device of consideration crossflow as claimed in claim 1, it is characterized in that: described transparent material is tempered glass.
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| CN104005742A (en) * | 2014-05-29 | 2014-08-27 | 东北石油大学 | Method and device for simulating differential water injection of heterogeneous reservoir in laboratory |
| CN104763395A (en) * | 2015-04-15 | 2015-07-08 | 中国海洋石油总公司 | Automatic simulation chemical flooding slug switching system |
| CN105089653A (en) * | 2014-05-23 | 2015-11-25 | 中国石油化工股份有限公司 | Experiment device and method for measuring interlayer fluid channeling quantity of multilayer commingled production gas well |
| CN105548180A (en) * | 2015-12-07 | 2016-05-04 | 中国石油大学(北京) | Online detection method for performance of oil displacement foams |
| CN109060608A (en) * | 2018-07-09 | 2018-12-21 | 西南石油大学 | The multiple dimensioned water seal mechanism of qi reason visual experimental apparatus of high temperature and pressure and method |
| CN109184640A (en) * | 2018-10-25 | 2019-01-11 | 中国石油化工股份有限公司 | The experimental provision of heterogeneous water drive oil seepage flow in multitube simulation layer |
| CN109577945A (en) * | 2018-11-30 | 2019-04-05 | 西南石油大学 | A kind of experimental provision and method of hypotonic-Oil in Super-low Permeability oil reservoir fluid-channeling channel differentiation |
| CN110952964A (en) * | 2019-12-22 | 2020-04-03 | 中国海洋石油集团有限公司 | Horizontal well water injection profile control model experimental device |
| CN113027396A (en) * | 2021-04-09 | 2021-06-25 | 中国石油大学(北京) | Visualization experiment device and method for longitudinal heterogeneous oil reservoir |
| CN114215492A (en) * | 2021-12-16 | 2022-03-22 | 山东省煤田地质局第三勘探队 | Water stopping device for layered water pumping of hydrogeology drilling |
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| CN104005742B (en) * | 2014-05-29 | 2016-06-15 | 东北石油大学 | A kind of method for testing lab simulation Heterogeneous reservoir difference water filling and device |
| CN104763395A (en) * | 2015-04-15 | 2015-07-08 | 中国海洋石油总公司 | Automatic simulation chemical flooding slug switching system |
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| CN109060608A (en) * | 2018-07-09 | 2018-12-21 | 西南石油大学 | The multiple dimensioned water seal mechanism of qi reason visual experimental apparatus of high temperature and pressure and method |
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| CN110952964A (en) * | 2019-12-22 | 2020-04-03 | 中国海洋石油集团有限公司 | Horizontal well water injection profile control model experimental device |
| CN113027396A (en) * | 2021-04-09 | 2021-06-25 | 中国石油大学(北京) | Visualization experiment device and method for longitudinal heterogeneous oil reservoir |
| CN114215492A (en) * | 2021-12-16 | 2022-03-22 | 山东省煤田地质局第三勘探队 | Water stopping device for layered water pumping of hydrogeology drilling |
| CN114215492B (en) * | 2021-12-16 | 2023-11-17 | 山东省煤田地质局第三勘探队 | Water stopping device for hydrogeology drilling layered water pumping |
| CN114459964A (en) * | 2022-01-21 | 2022-05-10 | 东北石油大学 | Multi-pipe parallel experimental device capable of measuring channeling rule |
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