CN207004494U - Foam flooding effect and migration experimental provision in a kind of fracture hole model - Google Patents
Foam flooding effect and migration experimental provision in a kind of fracture hole model Download PDFInfo
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- CN207004494U CN207004494U CN201720918033.3U CN201720918033U CN207004494U CN 207004494 U CN207004494 U CN 207004494U CN 201720918033 U CN201720918033 U CN 201720918033U CN 207004494 U CN207004494 U CN 207004494U
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- intermediate receptacle
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- way valve
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Abstract
The utility model discloses foam flooding effect and migration experimental provision in a kind of fracture hole model, including container A, constant flow pump A, six-way valve A, water intermediate receptacle, oily intermediate receptacle, foam system intermediate receptacle, gas intermediate receptacle, three-way pipe, foam maker, container B, constant flow pump B, six-way valve B, six-way valve C, Visualization Model, collection vessel；The container A is connected with constant flow pump A, and the constant flow pump A, water intermediate receptacle, oily intermediate receptacle, foam system intermediate receptacle are connected with six-way valve A, and the container B is connected with constant flow pump B, and the constant flow pump B, gas intermediate receptacle are connected with six-way valve B；The foam system intermediate receptacle, gas intermediate receptacle connect foam maker by three-way pipe.The utility model is compared and prior art, and simulation foam, to the Flooding Efficiency of different viscosities viscous crude, observes the migration rule of foam, record recovery ratio change, study foam Flooding Efficiency in slit medium and solution cavity medium.
Description
Technical field
It the utility model is related to foam flooding effect and migration experimental provision in a kind of fracture hole model.
Background technology
The reserves scale of fracture and vug carbonate reservoir is huge, and reservoir conditions are complicated.Mainly with hole, hole and crack etc.
Reservoir space is configured to, the leading reservoir space of large-scale cave dimension, under the conditions of having crack existing, reservoir matrix is substantially without seepage flow
Ability, it is main seepage channel again while crack is as reservoir space.System in Tahe Oilfield is by carrying out water filling for oil and unit
Water filling slows down oil reservoir production decline, but as the propulsion of development process, water filling are deteriorated for oily effect, need to seek other raisings and adopt
Yield means replace the simple water filling to increase oily development scheme.System in Tahe Oilfield has carried out Eor By Gas Injection field test, and
Achieve preferable effect.But fracture-pore reservoir fracture development can cause gas injection that has channeling occurs.And foam can be very good to control
Gas flow, therefore propose fracture-pore reservoir nitrogen foam displacement of reservoir oil measure.Observation foam preferably is in fracture-pore reservoir
Transport conditions and oil displacement efficiency, the utility model proposes a kind of Visualization Model for being used to simulate actual fracture-pore reservoir.
At present, fracture hole type experimental provision, presently mainly for single fracture hole syntagmatic, and when filling and presenting model with sand
It is difficult to control matrix not seepage flow.And pressure-resistant purpose is extremely difficult to, model described in the utility model can be held under conditions of visual
10MPa is pressed, overcomes existing technological deficiency.
Utility model content
The utility model mainly solves the deficiencies in the prior art, there is provided is steeped in a kind of fracture hole model of no seepage flow
Foam oil displacement efficiency and migration experimental provision.
Technical scheme is used by the utility model solves above-mentioned technical problem：Foam flooding is imitated in a kind of fracture hole model
Among fruit and migration experimental provision, including container A, constant flow pump A, six-way valve A, water intermediate receptacle, oily intermediate receptacle, foam system
Container, gas intermediate receptacle, three-way pipe, foam maker, container B, constant flow pump B, six-way valve B, six-way valve C, Visualization Model, receipts
Collect container；
The container A is connected with constant flow pump A, the constant flow pump A, water intermediate receptacle, oily intermediate receptacle, among foam system
Container is connected with six-way valve A, and the container B is connected with constant flow pump B, the constant flow pump B, gas intermediate receptacle with six-way valve B
Connection；
The foam system intermediate receptacle, gas intermediate receptacle connect foam maker by three-way pipe, hold among the water
Device, oily intermediate receptacle, foam maker are connected with six-way valve C；
The six-way valve C, Visualization Model, collection vessel are sequentially connected, and the Visualization Model includes cylinder, glass
Plate, cover plate, aluminium block model, sealing ring, the sealing ring entangle glass plate, and the aluminium block model is arranged in cylinder, the cylinder
Body both ends are respectively mounted glass plate, and glass plate covers aluminium block model, and the cover plate covers glass plate, and is bolted on cylinder
On.
It is further to be provided with slit aluminium block model in the Visualization Model.
It is further that the slit aluminium block model is 80mm × 80mm × 30mm aluminium blocks, its aluminium block is provided with and mutually interconnected
Logical 1 millimeter of seam, 2 millimeters of seams, 4 millimeters of seams, 6 millimeters of seams, 7 millimeter opening.
It is further to be provided with fracture hole aluminium block model in the Visualization Model.
It is further that the fracture hole aluminium block model is 80mm × 80mm × 30mm aluminium blocks, its aluminium block is provided with 2 millimeters of seams
Wide, 5 millimeters of holes, 10 millimeters of holes, 15 millimeters of holes, 5 millimeters of holes, 10 millimeters of holes, 15 millimeters of holes are connected by 2 millimeters of slit widths
It is logical.
The beneficial effects of the utility model are：The utility model is compared and prior art, simulation foam in slit medium and
To the Flooding Efficiency of different viscosities viscous crude in solution cavity medium, the migration rule of foam is observed, record recovery ratio change, studies foam
Flooding Efficiency；Model is placed on inside Visualization Model, you can carries out simulating foam in slit medium and solution cavity medium to not
Flooding Efficiency with viscosity viscous crude is tested, and model is aluminium block, can be without infiltration.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the main structure diagram of slit aluminium block model in embodiment；
Fig. 3 is the main structure diagram of fracture hole aluminium block model in embodiment；
Fig. 4 is the structural representation of Visualization Model in embodiment；
Fig. 5 is the overlooking the structure diagram of Visualization Model in embodiment；
Fig. 6 is the overlooking the structure diagram of embodiment middle cylinder body.
Shown in figure：1- container As, 2- constant flow pump A, 3- six-way valve A, 4- water intermediate receptacle, 5- oil intermediate receptacle, 6- foams
System intermediate receptacle, 7- gas intermediate receptacle, 8- three-way pipes, 9- foam makers, 10- container Bs, 11- constant flow pump B, 12- six-way valves
B, 13- six-way valves C, 14- Visualization Models, 15- collection vessels, 16- cylinders, 17- glass plates, 18- cover plates, 19- aluminium block models.
Embodiment
Make a step to the technical solution of the utility model by way of example and in conjunction with the accompanying drawings to illustrate.
As shown in figures 1 to 6, foam flooding effect and migration experimental provision in a kind of fracture hole model, including container A 1, constant current
Pump A2, six-way valve A3, water intermediate receptacle 4, oily intermediate receptacle 5, foam system intermediate receptacle 6, gas intermediate receptacle 7, three-way pipe 8,
Foam maker 9, container B 10, constant flow pump B11, six-way valve B12, six-way valve C13, Visualization Model 14, collection vessel 15；Institute
State container A 1 to be connected with constant flow pump A2, the constant flow pump A2, water intermediate receptacle 4, oily intermediate receptacle 5, foam system intermediate receptacle 6
It is connected with six-way valve A3, the container B 10 is connected with constant flow pump B11, and the constant flow pump B11, gas intermediate receptacle 7 are logical with six
Valve B12 connections；The foam system intermediate receptacle 6, gas intermediate receptacle 7 connect foam maker 9, the water by three-way pipe 8
Intermediate receptacle 4, oily intermediate receptacle 5, foam maker 9 are connected with six-way valve C13；The six-way valve C13, Visualization Model
14th, collection vessel 15 is sequentially connected, the Visualization Model 14 include cylinder 16, glass plate 17, cover plate 18, aluminium block model 19,
Sealing ring, the sealing ring entangle glass plate 17, and the aluminium block model 19 is arranged in cylinder 16, and the both ends of cylinder 16 are pacified
Glaze plate 17, glass plate 17 cover aluminium block model 19, and the cover plate 18 covers glass plate, and is bolted on cylinder 16
On.Its middle cylinder body 16 is round outside but spuare inside shape, just blocks aluminium block model 19, and the glass plate 17 for being cased with sealing ring covers aluminium block
Model 19, plays sealing and visual effect, and cover plate 18 is bolted to the both ends of cylinder 16, plays fixation.
When carrying out slit experiment, slit aluminium block model is provided with the Visualization Model 14.
Wherein as shown in Fig. 2 the slit aluminium block model is 80mm × 80mm × 30mm aluminium blocks, its aluminium block is provided with mutual
1 millimeter of seam of connection, 2 millimeters of seams, 4 millimeters of seams, 6 millimeters of seams, 7 millimeter opening.
When carrying out fracture hole experiment, fracture hole aluminium block model is provided with the Visualization Model 14.
Wherein as shown in figure 3, the fracture hole aluminium block model is 80mm × 80mm × 30mm aluminium blocks, its aluminium block is provided with 2 millis
Rice slit width, 5 millimeters of holes, 10 millimeters of holes, 15 millimeters of holes, 5 millimeters of holes, 10 millimeters of holes, 15 millimeters of holes pass through 2 millimeters of slit widths
Connection.
Experimental procedure of the present utility model is：
1. slit aluminium block model (or fracture hole aluminium block model) is placed in Visualization Model 14, according to testing as shown in the figure
Flow chart connects experimental provision.
2. opening the intermediate receptacle equipped with water, constant flow pump A2 is opened, saturation water, treats the port of export water outlet explanation of Visualization Model 14
Saturation is abundant；After saturation water, the intermediate receptacle equipped with oil, low speed saturated oils, saturation when outlet brings out pure oily are opened
Fully, saturation oil mass is recorded.
3. carrying out first time water drive after saturated oils, the intermediate receptacle of dress water is opened, water drive to aqueous 90%, records the stage
Water yield and oil pump capacity.
4. water drive is carried out foam flooding and replaced to after aqueous 90% with constant flow pump B11 gas injections, constant flow pump A2 injection bodies system, gas liquid ratio
For 1：1, it is driven to not fuel-displaced, the foam volume of injection is 2.375PV, records stage water yield and oil pump capacity, and shoot different displacements
Stage foam form.
It is described above, not make any formal limitation to the utility model, although the utility model has passed through implementation
Example is disclosed above, but is not limited to the utility model, any person skilled in the art, is not departing from this practicality
In new technique aspects, when the technology contents using the disclosure above make it is a little change or be modified to equivalent variations etc.
Embodiment is imitated, as long as being the content without departing from technical solutions of the utility model, according to the technical essence of the utility model to the above
Any simple modification, equivalent change and modification that embodiment is made, in the range of still falling within technical solutions of the utility model.
Claims (5)
1. foam flooding effect and migration experimental provision in a kind of fracture hole model, it is characterised in that including container A (1), constant flow pump
A (2), six-way valve A (3), water intermediate receptacle (4), oily intermediate receptacle (5), foam system intermediate receptacle (6), gas intermediate receptacle
(7), three-way pipe (8), foam maker (9), container B (10), constant flow pump B (11), six-way valve B (12), six-way valve C (13), can
Depending on changing model (14), collection vessel (15)；
The container A (1) is connected with constant flow pump A (2), the constant flow pump A (2), water intermediate receptacle (4), oily intermediate receptacle (5),
Foam system intermediate receptacle (6) is connected with six-way valve A (3), and the container B (10) is connected with constant flow pump B (11), the constant current
Pump B (11), gas intermediate receptacle (7) are connected with six-way valve B (12)；
The foam system intermediate receptacle (6), gas intermediate receptacle (7) connect foam maker (9) by three-way pipe (8), described
Water intermediate receptacle (4), oily intermediate receptacle (5), foam maker (9) are connected with six-way valve C (13)；
The six-way valve C (13), Visualization Model (14), collection vessel (15) are sequentially connected, Visualization Model (14) bag
Cylinder (16), glass plate (17), cover plate (18), aluminium block model (19), sealing ring are included, the sealing ring entangles glass plate (17),
The aluminium block model (19) is arranged in cylinder (16), and cylinder (16) both ends are respectively mounted glass plate (17), glass plate (17)
Aluminium block model (19) is covered, the cover plate (18) covers glass plate, and is bolted on cylinder (16).
2. foam flooding effect and migration experimental provision in a kind of fracture hole model according to claim 1, it is characterised in that
Slit aluminium block model is provided with the Visualization Model (14).
3. foam flooding effect and migration experimental provision in a kind of fracture hole model according to claim 2, it is characterised in that
The slit aluminium block model is 80mm × 80mm × 30mm aluminium blocks, its aluminium block be provided with 1 millimeter of seam being interconnected, 2 millimeters of seams,
4 millimeters of seams, 6 millimeters of seams, 7 millimeter opening.
4. foam flooding effect and migration experimental provision in a kind of fracture hole model according to claim 1, it is characterised in that
Fracture hole aluminium block model is provided with the Visualization Model (14).
5. foam flooding effect and migration experimental provision in a kind of fracture hole model according to claim 1, it is characterised in that
The fracture hole aluminium block model is 80mm × 80mm × 30mm aluminium blocks, its aluminium block be provided with 2 millimeters of slit widths, 5 millimeters of holes, 10 millimeters
Hole, 15 millimeters of holes, 5 millimeters of holes, 10 millimeters of holes, 15 millimeters of holes are connected by 2 millimeters of slit widths.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720918033.3U CN207004494U (en) | 2017-07-26 | 2017-07-26 | Foam flooding effect and migration experimental provision in a kind of fracture hole model |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720918033.3U CN207004494U (en) | 2017-07-26 | 2017-07-26 | Foam flooding effect and migration experimental provision in a kind of fracture hole model |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207004494U true CN207004494U (en) | 2018-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720918033.3U Expired - Fee Related CN207004494U (en) | 2017-07-26 | 2017-07-26 | Foam flooding effect and migration experimental provision in a kind of fracture hole model |
Country Status (1)
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| CN (1) | CN207004494U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594960A (en) * | 2019-01-07 | 2019-04-09 | 中国海洋石油集团有限公司 | The visual experimental apparatus and its visualization sandpack column of analog composite foam profile control |
-
2017
- 2017-07-26 CN CN201720918033.3U patent/CN207004494U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109594960A (en) * | 2019-01-07 | 2019-04-09 | 中国海洋石油集团有限公司 | The visual experimental apparatus and its visualization sandpack column of analog composite foam profile control |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180213 Termination date: 20180726 |