CN206220951U - A kind of experimental provision of simulation oil well foam blocking side water breakthrough - Google Patents
A kind of experimental provision of simulation oil well foam blocking side water breakthrough Download PDFInfo
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- CN206220951U CN206220951U CN201621335305.9U CN201621335305U CN206220951U CN 206220951 U CN206220951 U CN 206220951U CN 201621335305 U CN201621335305 U CN 201621335305U CN 206220951 U CN206220951 U CN 206220951U
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- oil
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- sandpack column
- water
- insulating box
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Abstract
The utility model is related to a kind of experimental assembly in petroleum production engineering field, a kind of especially experimental provision for the side water breakthrough of simulation oil well foam blocking, oilwell water shutoff is carried out by foam under reservoir condition (HTHP) for simulating, side water breakthrough closure is especially carried out to the oil well in strong edge-wa- ter reservoir carries out experimental simulation.It includes high-pressure air source, oil reservoir buffer, insulating box, sandpack column, intermediate receptacle, constant pressure pump, back pressure controller, gas volume meter and oil and water trap, wherein insulating box is made up of thermostatic equipment and sandpack column, wherein sandpack column is located inside insulating box, outlet manifold branch connects the outlet of back pressure controller and the entrance of oil and water trap respectively, intermediate receptacle entrance connects constant pressure pump, and outlet connects top and the sandpack column of the right hand balance tank of oil reservoir buffer by branch respectively.The utility model have safety, be applicable the features such as, can more truly simulation oil hide under the conditions of the water breakthrough of foam blocking side actual conditions.
Description
Technical field
The utility model is related to a kind of experimental assembly in petroleum production engineering field, especially a kind of for simulation oil well foam envelope
The experimental provision of stifled side water breakthrough, carry out oilwell water shutoff by foam under reservoir condition (HTHP) for simulating, especially right
Oil well in strong edge-wa- ter reservoir carries out side water breakthrough closure and carries out experimental simulation.
Background technology
The marine water controlled field later stage generally occurs the serious water breakthrough of comparing (including injection water breakthrough and bottom water breakthrough) problem, leads
Cause oil well producing water ratio to steeply rise, have become the principal element of the marine water controlled field later stage " water and oil control " of restriction.For this
One problem, the current country is substantially carried out Profile Control in Injection Well, and also fewer to the work that oilwell water shutoff is carried out.Contain as oil field is high
The increase of water harnessing difficulty, oilwell water shutoff work will more and more be carried out.Water shutoff in oil well can effectively block bleed-through high
Road, the water breakthrough of control injection water and edge-bottom water, realization slows down the purpose of aqueous rising.
Utility model content
The utility model aims to solve the problem that the problem mentioned in background technology, the utility model proposes a kind of simulation oil well bubble
Foam blocks the experimental provision of side water breakthrough, and the technical scheme that it is used is as follows：
A kind of experimental provision of simulation oil well foam blocking side water breakthrough, including high-pressure air source, oil reservoir buffer, insulating box,
Sandpack column, intermediate receptacle, constant pressure pump, back pressure controller, gas volume meter and oil and water trap, wherein the insulating box
It is made up of thermostatic equipment and sandpack column, insulating box is set to reservoir temperature, water state is fettered with the different saturated oils of permeability
Two-tube sandpack column simulation inhomogeneous formation, wherein sandpack column be located at insulating box inside, using diameter 25mm, length
The fill out sand tube of 600mm is made, and 60-80 mesh quartz sands are inserted in inside, and entrance and exit manifold is arranged with pressure gauge, exports manifold
Branch connects the outlet of back pressure controller and the entrance of oil and water trap respectively, and back pressure controller is used to simulate reservoir pressure, institute
Intermediate receptacle entrance connection constant pressure pump is stated, outlet is connected the top of the right hand balance tank of oil reservoir buffer by branch and filled out respectively
Sand mo(u)ld type, constant pressure pump is used to simulate side water, and the gas volume meter is arranged on the outlet manifold of oil and water trap.
The oil reservoir buffer is made up of high-pressure air source and two compensators, pressure gauges, and wherein left hand balance pipe upper end connects
High-pressure air source outlet is connect, two balance pot bottoms are connected by manifold, and right hand balance tank upper end is respectively mounted pressure gauge and centre
The outlet branches end of container；Oil reservoir buffer is used to increase the elasticity of sandpack column, alleviates blocking agent injection process and certainly angry mistake
Pressure is sharply increased in sandpack column in journey, the back pressure of the gas pressure higher than port of export back pressure controller of oil reservoir buffer,
Can be preferentially back in sandpack column when stewing well terminates to resume production hence into the reservoir fluid in oil reservoir buffer, made
It plays a part of simulation back pressure and increases sandpack column cubic elasticity simultaneously.
The utility model has the following advantages that：It is safe, applicable, can more truly simulation oil hide under the conditions of foam blocking side
The actual conditions of water breakthrough, are conducive to, for the applicable oilwell water shutoff system of different reservoir conditions screening, widely being promoted in oil field
Good economic benefit and social benefit can be produced after.
Brief description of the drawings
Fig. 1：A kind of experimental provision of simulation oil well foam blocking side water breakthrough of the utility model.
1. high-pressure air source, 2. oil reservoir buffer, 3. insulating box, 4. sandpack column, 5. intermediate receptacle, 6. constant pressure pump, 7. time
Pressure controller, 8. gas volume meter, 9. oil and water trap.
Specific embodiment
The utility model is described in further detail with example below in conjunction with the accompanying drawings：
As shown in figure 1, a kind of experimental provision of simulation oil well foam blocking side water breakthrough of the utility model, including high-pressure air source
1st, oil reservoir buffer 2, insulating box 3, sandpack column 4, intermediate receptacle 5, constant pressure pump 6, back pressure controller 7, gas volume meter 8
With oil and water trap 9, wherein the oil reservoir buffer 2 is made up of high-pressure air source 1 and two compensators, pressure gauges, wherein left side
Balance pipe upper end connection high-pressure air source 1 is exported, and two balance pot bottoms are connected by manifold, and right hand balance tank upper end is respectively mounted
The outlet branches end of pressure gauge and intermediate receptacle 5, the insulating box 3 is made up of thermostatic equipment and sandpack column 4, wherein back-up sand mould
Type 4 is located inside insulating box 3, is made of the fill out sand tube of diameter 25mm, length 600mm, and 60-80 mesh quartz sands are inserted in inside,
Entrance and exit manifold is arranged with pressure gauge, and outlet manifold branch connects the outlet of back pressure controller 7 respectively and profit is collected
The entrance of device 9, the entrance of the intermediate receptacle 5 connection constant pressure pump 6, outlet connects the right side of oil reservoir buffer 2 by branch respectively
The top of compensator and sandpack column 4, the gas volume meter 8 are arranged on the outlet manifold of oil and water trap 9.
In the utility model, insulating box 3 is set to reservoir temperature, and water state is fettered with the different saturated oils of permeability
Two-tube sandpack column 4 simulates inhomogeneous formation, and constant pressure pump 6 is used to simulate side water, and back pressure controller 7 is used to simulate reservoir pressure,
Oil reservoir buffer 2 is used to increase the elasticity of sandpack column 4, alleviates blocking agent injection process and from sandpack column 4 during anger
Pressure is sharply increased, the back pressure of the gas pressure higher than port of export back pressure controller 7 of oil reservoir buffer 2, hence into oil reservoir
During reservoir fluid in buffer 2 preferentially can be back to sandpack column 4 when stewing well terminates to resume production, make it while playing
Simulation back pressure and the effect for increasing the cubic elasticity of sandpack column 4；When using the utility model, oil reservoir buffer 2 is first closed, beaten
Open back pressure Imitating early stage edge water drive of the constant pressure pump 6 in back pressure controller 7, the oil production in record port of export oil and water trap 9
With aquifer yield, when sandpack column 4 comprehensively goes out liquid moisture content more than 80%, constant pressure pump 6 is closed, open oil reservoir buffer 2, closed
Back pressure controller 7, from the port of export inject foaming agent, simulation oil well foam water plugging process, afterwards sandpack column 4 be placed in insulating box 3
Middle simulation stewing well 6-8 hours, then opens back pressure controller 7, closes oil reservoir buffer 2, opens constant pressure pump 6, simulates follow-up side
Water drive, oil production and aquifer yield in record port of export oil and water trap 9 treat that sandpack column 4 comprehensively goes out liquid moisture content and exceedes
When 98%, stop water drive, by drawing streaming rate change curve and improving recovery ratio Amplitude Evaluation oil well foam blocking side water breakthrough
Effect.
Claims (2)
1. a kind of experimental provision for the side water breakthrough of simulation oil well foam blocking, it is characterised in that：Including high-pressure air source (1), oil
Hide buffer (2), insulating box (3), sandpack column (4), intermediate receptacle (5), constant pressure pump (6), back pressure controller (7), gas body
Product meter (8) and oil and water trap (9), wherein insulating box (3) are made up of thermostatic equipment and sandpack column (4), wherein back-up sand
Model (4) is internal positioned at insulating box (3), is made of the fill out sand tube of diameter 25mm, length 600mm, and 60-80 mesh stones are inserted in inside
Sand, entrance and exit manifold is arranged with pressure gauge, and outlet manifold branch connects outlet and the oil of back pressure controller (7) respectively
The entrance of water collector (9), intermediate receptacle (5) entrance connects constant pressure pump (6), and outlet connects oil reservoir buffer respectively by branch
(2) top of right hand balance tank and sandpack column (4), outlet of the gas volume meter (8) installed in oil and water trap (9)
On manifold.
2. a kind of experimental provision for the side water breakthrough of simulation oil well foam blocking according to claim 1, it is characterised in that：
Oil reservoir buffer (2) is made up of high-pressure air source (1) and two compensators, pressure gauges, wherein left hand balance pipe upper end connection high pressure
Source of the gas (1) is exported, and two balance pot bottoms are connected by manifold, and right hand balance tank upper end is respectively mounted pressure gauge and intermediate receptacle
(5) outlet branches end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621335305.9U CN206220951U (en) | 2016-12-07 | 2016-12-07 | A kind of experimental provision of simulation oil well foam blocking side water breakthrough |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621335305.9U CN206220951U (en) | 2016-12-07 | 2016-12-07 | A kind of experimental provision of simulation oil well foam blocking side water breakthrough |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206220951U true CN206220951U (en) | 2017-06-06 |
Family
ID=58784689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621335305.9U Expired - Fee Related CN206220951U (en) | 2016-12-07 | 2016-12-07 | A kind of experimental provision of simulation oil well foam blocking side water breakthrough |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206220951U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854235A (en) * | 2018-12-12 | 2019-06-07 | 中国石油大学(北京) | Oil-gas reservoir failure and exploitation simulator of handling up |
| CN110376360A (en) * | 2019-07-18 | 2019-10-25 | 中国石油集团渤海钻探工程有限公司 | One kind is for testing the anti-water breakthrough performance devices of cement slurry |
| CN110412221A (en) * | 2019-08-01 | 2019-11-05 | 中国石油大学(华东) | It is a kind of simulate reservoir home state frothy gel prepare evaluating apparatus and its application method |
| CN111594112A (en) * | 2019-02-19 | 2020-08-28 | 中国石油天然气股份有限公司 | Natural water flooding and artificial water flooding oil displacement simulation device and method |
-
2016
- 2016-12-07 CN CN201621335305.9U patent/CN206220951U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109854235A (en) * | 2018-12-12 | 2019-06-07 | 中国石油大学(北京) | Oil-gas reservoir failure and exploitation simulator of handling up |
| CN109854235B (en) * | 2018-12-12 | 2020-09-04 | 中国石油大学(北京) | Oil and gas reservoir failure and huff and puff exploitation simulator |
| CN111594112A (en) * | 2019-02-19 | 2020-08-28 | 中国石油天然气股份有限公司 | Natural water flooding and artificial water flooding oil displacement simulation device and method |
| CN110376360A (en) * | 2019-07-18 | 2019-10-25 | 中国石油集团渤海钻探工程有限公司 | One kind is for testing the anti-water breakthrough performance devices of cement slurry |
| CN110412221A (en) * | 2019-08-01 | 2019-11-05 | 中国石油大学(华东) | It is a kind of simulate reservoir home state frothy gel prepare evaluating apparatus and its application method |
| CN110412221B (en) * | 2019-08-01 | 2022-02-22 | 中国石油大学(华东) | Foam gel preparation evaluation device for simulating reservoir in-situ state and use method |
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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 |
Granted publication date: 20170606 Termination date: 20171207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |