CN209179723U - A kind of stifled thin henchnmrk test device of chemical agent tune - Google Patents
A kind of stifled thin henchnmrk test device of chemical agent tune Download PDFInfo
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- CN209179723U CN209179723U CN201821523568.1U CN201821523568U CN209179723U CN 209179723 U CN209179723 U CN 209179723U CN 201821523568 U CN201821523568 U CN 201821523568U CN 209179723 U CN209179723 U CN 209179723U
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Abstract
The utility model discloses a kind of stifled thin henchnmrk test devices of chemical agent tune.The three-dimensional simulation device of the device includes upper end cover, simulation subterranean layer cavity, dummy level well and simulation water injection well, the upper end cover is covered on above simulation subterranean layer cavity, the dummy level well is horizontal through simulation subterranean layer cavity, the dummy level well is the tubular structure with cavity, several are distributed on the cavity lower sides and communicates water supply, the oily through-hole passed through with the simulation subterranean layer cavity, simulation perforated casing is fixedly mounted in the through-hole, the simulation water injection well is provided with the bottom end of the simulation subterranean layer cavity.The chemical agent that the device can be applicable in for the stifled thin process choice of tune of horizontal well, and improve oil displacement efficiency.
Description
Technical field
The utility model relates to a kind of stifled thin henchnmrk test devices of chemical agent tune.
Background technique
Oil field is developed by long-term injecting water, and comprehensive water cut is high, and non-homogeneous degree is strong, and waterflooding effect is deteriorated year by year, and reservoir is non-
Unbalanced displacement caused by homogeneous is the principal element for restricting water-drive pool and further increasing recovery ratio.The High water cut of horizontal well is controlled
Reason is in urgent need, and difficulty is bigger, and the shutoff method of early period is based on generally injecting, blocking agent grease is same stifled, it is easy to cause after blocking up
The problems such as liquid measure is low, validity period is short, oil increasing precipitation effect is poor.
Horizontal well " tune ", " stifled ", " thin " integrated water blockoff process for comprehensively treating be specific to influence horizontal well development
The reason of and current water plugging effect difference the research carried out of problem, but horizontal well in the prior art " tune ", " stifled ", " thin " one
The process for comprehensively treating of body water blockoff can not intuitive evaluating chemical medicament ability of regulation and control, sealing characteristics and de-plugging performance,
The horizontal well that different permeabilities and different permeability grades can not be simulated, the stifled thin effect of tune after injecting different type chemical agent；
Meanwhile existing Treatment process can obtain preferable control water effect, but oil increasing effect is undesirable, often will appear that " water blockoff does not increase
Oil " technical problem is low so as to cause oil displacement efficiency.Therefore it provides a kind of stifled thin henchnmrk test device of chemical agent tune,
Foundation is provided for the applicable chemical agent of the stifled thin process choice of tune of horizontal well and the technique for improving oil displacement efficiency.
Utility model content
In view of this, the present invention provides a kind of stifled thin henchnmrk test devices of chemical agent tune, which can
The applicable chemical agent of thin process choice is blocked up for the tune of horizontal well, and improves oil displacement efficiency.
In order to achieve the above object of the invention, the invention adopts the following technical scheme:
A kind of stifled thin henchnmrk test device of chemical agent tune, including constant-flux pump, intermediate receptacle, three-dimensional simulation device, take the photograph
As head and data collection system, the constant-flux pump, intermediate receptacle and three-dimensional simulation device are sequentially communicated, the camera and data
Acquisition system is connect with the three-dimensional simulation device respectively；The three-dimensional simulation device include upper end cover, simulation subterranean layer cavity,
Dummy level well and simulation water injection well, the upper end cover are covered on above simulation subterranean layer cavity, and the dummy level well water is flat
Simulation subterranean layer cavity is passed across, the dummy level well is the tubular structure with cavity, is divided on the cavity lower sides
It is furnished with several and communicates water supply, the oily through-hole passed through with the simulation subterranean layer cavity, simulation is fixedly mounted in the through-hole and penetrates
Hole sleeve, the simulation water injection well are provided with the bottom end of the simulation subterranean layer cavity.
Wherein, the simulation perforated casing is the perforated casing for simulating actual water horizontal well；Outside the dummy level well
Sieve is installed on wall, wraps up in sieve outside, is able to solve sand plug problem.
The number of the simulation water injection well does not limit specifically, it is preferable that simulate water injection well number can be several,
The water injection well can be used as bottom water, can also be used as production end.
Preferably, being bolted and fixed between the upper end cover covering and the simulation subterranean layer cavity；It is described
Dummy level well is stainless steel tube material；Upper end cover and simulation subterranean layer cavity are acrylic material, and upper end cover and cavity are sub-
Gram force hot-working forms, and has the preferable transparency and chemical stability, selects the mode that silicagel pad seals and bolt is fixed, protects
The closed and pressure-bearing of card device.
Preferably, the number of the camera is two, it is separately positioned on the front and side of the three-dimensional simulation device
Face；Using dual camera and data collection system, keep the data of acquisition more complete.
It is filled with glass sand in the simulation subterranean layer cavity, the glass sand of different meshes can be selected according to actual needs,
The horizontal well that different permeabilities and different permeability grades can be simulated, the stifled thin effect of tune after injecting different type chemical agent.
The experimental provision further includes the six-way valve being arranged between the constant-flux pump and intermediate receptacle, on the six-way valve
It is connected with pressure gauge, to monitor the pressure change in injection process.
The stifled thin henchnmrk test method of the tune of the evaluating apparatus, specifically includes the following steps:
(9.1) band color experimental water is added in the intermediate receptacle and tests leakproofness, then starts the constant-flux pump,
Out of the dummy level well water filling to the simulation subterranean layer cavity, until saturation, collects Produced Liquid from the water injection well；
(9.2) it is infused in band color simulation oil to the simulation subterranean layer cavity from the dummy level well, until saturation, from
The water injection well collects Produced Liquid；
(9.3) it is filled the water from the water injection well, Produced Liquid is collected from the dummy level well well head, until the simulation underground
The layer intracorporal water content of chamber reaches 90%, monitors pressure change in injection process, passes through the camera and data collection system
Observation injection water flow to；
(9.4) it is filled the water since the dummy level well, Produced Liquid is collected from the water injection well, until the simulation underground
Layer the intracorporal water content of chamber reach 95%, monitor pressure change in injection process, by visualization system observe injection water flow to；
(9.5) it is segmented the microcosmic grease adjustment and control system of plug three kinds of different colours of injection respectively from the dummy level well, blocks up
Agent and de-plugging agent monitor pressure change in injection process, observe chemical agent flow direction by the camera and data collection system,
Wait for quietly；
(9.6) the injection experiments water since the water injection well monitors pressure change in injection process, passes through the camera shooting
Head and data collection system observation injection water flow to, from the dummy level well well head collect Produced Liquid, measure the grease of extraction
Volume, calculates the moisture content after adjusting stifled dredge, and stifled thin effect is adjusted in comparison.
Wherein, the step (9.1) and (9.2) are to make to emulate oilbearing stratum environment inside three-dimensional simulation device；
(9.3) and (9.4) are to find out the subterranean formation zone more than water yield；It (9.5) is that horizontal well " tune ", " stifled ", " thin " integration are stifled
Water reaches the subsequent blocking agent injection resistance of reduction and subsequent water is streamed and washed wherein " tune " is generally to inject microcosmic grease adjustment and control system
The purpose of oil；" stifled " is that high-intensitive blocking agent is injected on the basis of " tune ", realizes effective closure to water exit interval；" thin " be with
De-plugging agent is jet stream power fluid, is smashed by high-pressure jet, the residual blocking agent in corrosion pit shaft and screen casing-borehole wall annular space, is guaranteed
Liquid output after stifled；It is that and can intuitively be observed, the ability of regulation and control of quantitative assessment chemical agent, seal-off effect based on displacement
Energy and de-plugging performance, so that chemical agent and technique offer foundation that the stifled thin process choice of the tune of horizontal well is applicable, are driven with improving
Oily efficiency is to improve the recovery ratio of oil product；It (9.6) is led to detect the stifled thin effect of the tune after injection different type chemical agent
Flow direction, the injection pressure for crossing monitoring chemical agent, measure oil, the water volume of extraction, so that dummy level well tune blocks up thin effect.
For the horizontal well control water " water blockoff does not increase oil " for solving the problems, such as the prior art, the utility model provides a kind of evaluationization
The experimental provision of the stifled thin performance of medicament tune is learned, compared with prior art, experimental provision provided by the utility model is to be with displacement
It is main, and can intuitively observe, the ability of regulation and control of quantitative assessment chemical agent, sealing characteristics and de-plugging performance, thus horizontal well
The stifled thin process choice of tune applicable chemical agent and technique foundation is provided, improve the harvesting of oil product to improve oil displacement efficiency
Rate；The device can simulate the horizontal well of different permeabilities and different permeability grades, the tune after injecting different type chemical agent
Stifled thin effect, monitors flow direction, the injection pressure of chemical agent, measures oil, the water volume of extraction, can dredge so that dummy level well tune is stifled
Effect；Device result provided by the utility model is simple, convenient for disassembly and assembly, reusable.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the stifled thin henchnmrk test device of chemical agent tune；
Fig. 2 is the structural schematic diagram of three-dimensional simulation device.
Specific embodiment
The utility model discloses a kind of stifled thin henchnmrk test device of chemical agent tune, those skilled in the art can be borrowed
Reflect present disclosure, is suitably modified components realization.In particular, it should be pointed out that all similar substitutions and modifications are to this field skill
It is it will be apparent that they are considered as including in the present invention for art personnel.Method and application of the invention has been led to
Preferred embodiment is crossed to be described, related personnel obviously can not depart from the content of present invention, in spirit and scope to this paper institute
The methods and applications stated are modified or appropriate changes and combinations, carry out implementation and application the technology of the present invention.
Embodiment 1
A kind of stifled thin henchnmrk test device of chemical agent tune, including constant-flux pump 1, intermediate receptacle 5, three-dimensional simulation device 4,
Camera 6 and data collection system 7, the constant-flux pump 1, intermediate receptacle 5 and three-dimensional simulation device 4 are sequentially communicated, the camera shooting
First 6 and data collection system 7 connect respectively with the three-dimensional simulation device 4；The three-dimensional simulation device 4 include upper end cover 401,
It simulates subterranean layer cavity 403, dummy level well 402 and simulation water injection well 404, the upper end cover 401 and is covered on simulation subterranean layer
403 top of cavity, is both formed and is bolted to connection with acrylic hot-working, the simulation subterranean layer cavity 403
It is inside filled with glass sand, 402 level of dummy level well passes across simulation subterranean layer cavity, and the dummy level well is stainless
Several and the simulation subterranean layer cavity are distributed on the cavity lower sides in the tubular structure with cavity of steel material
It communicates water supply, the through-hole 405 that oil passes through, is fixedly mounted in the through-hole and simulates perforated casing, outside the dummy level well 402
Dress sieve is wrapped up on wall, three simulation water injection wells 404 are away from the bottom end for being provided with the simulation subterranean layer cavity 403；Wherein, described
Experimental provision further includes the six-way valve 3 being arranged between the constant-flux pump 1 and intermediate receptacle 5, is connected with pressure on the six-way valve 3
Power table 2, to monitor the pressure change in injection process.
Embodiment 2
Evaluation experimental is carried out using the stifled thin henchnmrk test device of the chemical agent tune in embodiment 1, experimental procedure is as follows:
(9.1) band color experimental water is added in the intermediate receptacle and tests leakproofness, then starts the constant-flux pump,
Out of the dummy level well water filling to the simulation subterranean layer cavity, until saturation, collects Produced Liquid from the water injection well；
(9.2) it is infused in band color simulation oil to the simulation subterranean layer cavity from the dummy level well, until saturation, from
The water injection well collects Produced Liquid；
(9.3) it is filled the water from the water injection well, Produced Liquid is collected from the dummy level well well head, until the simulation underground
The layer intracorporal water content of chamber reaches 90%, monitors pressure change in injection process, passes through the camera and data collection system
Observation injection water flow to；
(9.4) it is filled the water since the dummy level well, Produced Liquid is collected from the water injection well, until the simulation underground
Layer the intracorporal water content of chamber reach 95%, monitor pressure change in injection process, by visualization system observe injection water flow to；
(9.5) it is segmented the microcosmic grease adjustment and control system of plug three kinds of different colours of injection respectively from the dummy level well, blocks up
Agent and de-plugging agent monitor pressure change in injection process, observe chemical agent flow direction by the camera and data collection system,
Wait for quietly；
(9.6) the injection experiments water since the water injection well monitors pressure change in injection process, passes through the camera shooting
Head and data collection system observation injection water flow to, from the dummy level well well head collect Produced Liquid, measure the grease of extraction
Volume, calculates the moisture content after adjusting stifled dredge, and stifled thin effect is adjusted in comparison.
The equipment that the embodiment uses embodiment 1 has carried out the stifled thin henchnmrk test of chemical agent tune, with not passing through
" tune ", " stifled ", " thin " evaluation experimental compare, from oil displacement efficiency, inject profile control agent-blocking agent-de-plugging agent after, subsequent waterflooding
Aqueous decline 45.4%, recovery ratio improve 14.9%, the recovery ratio of water blockoff measure of the recovery ratio than injecting same volume blocking agent
Improve 5.1%；From liquid measure, implement that stifled rear output liquid measure is adjusted to drop to 3.8mL, Liquid output rises to 7.2mL after de-plugging, stream
Amount increases by 1.89 times, illustrates to have dredged pit shaft and near wellbore formation, has effectively restored liquid-producing capacity, experimental method provided by the invention
Basis is provided to develop suitable industrial DP technology.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
For art personnel, without departing from the principle of this utility model, several improvements and modifications can also be made, these improve and
Retouching also should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of stifled thin henchnmrk test device of chemical agent tune, which is characterized in that including constant-flux pump, intermediate receptacle, three-dimensional mould
Quasi- device, camera and data collection system, the constant-flux pump, intermediate receptacle and three-dimensional simulation device are sequentially communicated, described to take the photograph
As head and data collection system are connect with the three-dimensional simulation device respectively；The three-dimensional simulation device includes upper end cover, simulation
Subterranean layer cavity, dummy level well and simulation water injection well, the upper end cover are covered on above simulation subterranean layer cavity, the simulation
Horizontal well level passes across simulation subterranean layer cavity, and the dummy level well is the tubular structure with cavity, under the cavity
Several are distributed on portion's side wall and communicates water supply, the oily through-hole passed through with the simulation subterranean layer cavity, is fixed in the through-hole
Installation simulation perforated casing, the simulation water injection well are provided with the bottom end of the simulation subterranean layer cavity.
2. experimental provision as described in claim 1, which is characterized in that install sieve on the outer wall of the dummy level well.
3. experimental provision as described in claim 1, which is characterized in that the number of the simulation water injection well is several.
4. experimental provision as described in claim 1, which is characterized in that the upper end cover covering and the simulation subterranean layer cavity
Between be bolted and fixed.
5. experimental provision as described in claim 1, which is characterized in that the dummy level well is stainless steel tube material；Upper end
Lid and simulation subterranean layer cavity are acrylic material.
6. experimental provision as described in claim 1, which is characterized in that the number of the camera is two, is separately positioned on
A front surface and a side surface of the three-dimensional simulation device.
7. experimental provision as described in claim 1, which is characterized in that be filled with glass sand in the simulation subterranean layer cavity.
8. experimental provision as described in claim 1, which is characterized in that the experimental provision further includes being arranged in the constant-flux pump
Six-way valve between intermediate receptacle is connected with pressure gauge on the six-way valve.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821523568.1U CN209179723U (en) | 2018-09-18 | 2018-09-18 | A kind of stifled thin henchnmrk test device of chemical agent tune |
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| CN201821523568.1U CN209179723U (en) | 2018-09-18 | 2018-09-18 | A kind of stifled thin henchnmrk test device of chemical agent tune |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209288A (en) * | 2018-09-18 | 2019-01-15 | 山东大东联石油设备有限公司 | A kind of chemical agent tune is stifled to dredge henchnmrk test device and experimental method |
| CN114984804A (en) * | 2022-07-15 | 2022-09-02 | 兰州凯宏中原石油科技有限公司 | Oil field oil-water well composite acid mixing and blending method |
-
2018
- 2018-09-18 CN CN201821523568.1U patent/CN209179723U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109209288A (en) * | 2018-09-18 | 2019-01-15 | 山东大东联石油设备有限公司 | A kind of chemical agent tune is stifled to dredge henchnmrk test device and experimental method |
| CN109209288B (en) * | 2018-09-18 | 2024-03-01 | 中国石油化工股份有限公司 | Experimental device and experimental method for evaluating blocking and dredging performance of chemical agent |
| CN114984804A (en) * | 2022-07-15 | 2022-09-02 | 兰州凯宏中原石油科技有限公司 | Oil field oil-water well composite acid mixing and blending method |
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Effective date of registration: 20230717 Address after: 100000 22 Chaoyangmen North Street, Chaoyang District, Beijing. Patentee after: CHINA PETROLEUM & CHEMICAL Corp. Address before: 257400 Lijin County Economic Development Zone, Dongying, Shandong Patentee before: SHANDONG DADONGLIAN PETROLEUM EQUIPMENT Co.,Ltd. |
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