CN109209288A - A kind of chemical agent tune is stifled to dredge henchnmrk test device and experimental method - Google Patents
A kind of chemical agent tune is stifled to dredge henchnmrk test device and experimental method Download PDFInfo
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- CN109209288A CN109209288A CN201811087685.2A CN201811087685A CN109209288A CN 109209288 A CN109209288 A CN 109209288A CN 201811087685 A CN201811087685 A CN 201811087685A CN 109209288 A CN109209288 A CN 109209288A
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- 239000013043 chemical agent Substances 0.000 title claims abstract description 29
- 238000002474 experimental method Methods 0.000 title claims abstract description 15
- 238000012360 testing method Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 81
- 238000004088 simulation Methods 0.000 claims abstract description 73
- 238000002347 injection Methods 0.000 claims abstract description 63
- 239000007924 injection Substances 0.000 claims abstract description 63
- 238000000034 method Methods 0.000 claims abstract description 34
- 230000008569 process Effects 0.000 claims abstract description 23
- 239000007788 liquid Substances 0.000 claims description 21
- 238000013480 data collection Methods 0.000 claims description 15
- 230000008859 change Effects 0.000 claims description 14
- 230000000694 effects Effects 0.000 claims description 14
- 239000002981 blocking agent Substances 0.000 claims description 11
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 239000004519 grease Substances 0.000 claims description 9
- 238000000605 extraction Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000004576 sand Substances 0.000 claims description 5
- 239000003086 colorant Substances 0.000 claims description 4
- 239000011521 glass Substances 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 238000012800 visualization Methods 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 2
- 239000010935 stainless steel Substances 0.000 claims description 2
- 238000010998 test method Methods 0.000 claims description 2
- 229920006395 saturated elastomer Polymers 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
- 239000008400 supply water Substances 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 10
- 238000011084 recovery Methods 0.000 description 9
- 230000035699 permeability Effects 0.000 description 6
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
- 230000033228 biological regulation Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 230000001965 increasing effect Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 235000020681 well water Nutrition 0.000 description 3
- 239000002349 well water Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000011027 product recovery Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/10—Sealing or packing boreholes or wells in the borehole
- E21B33/13—Methods or devices for cementing, for plugging holes, crevices or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/002—Survey of boreholes or wells by visual inspection
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B47/00—Survey of boreholes or wells
- E21B47/10—Locating fluid leaks, intrusions or movements
- E21B47/11—Locating fluid leaks, intrusions or movements using tracers; using radioactivity
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geophysics (AREA)
- Instructional Devices (AREA)
Abstract
The invention discloses a kind of stifled thin henchnmrk test device of chemical agent tune and experimental methods.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 apparatus and method of the present invention can be applicable in for the stifled thin process choice of tune of horizontal well, and improve oil displacement efficiency.
Description
Technical field
The present invention relates to a kind of stifled thin henchnmrk test device of chemical agent tune and experimental methods.
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
And experimental method, for the applicable chemical agent of the stifled thin process choice of tune of horizontal well and improve oil displacement efficiency technique provide according to
According to.
Summary of the invention
In view of this, the device can be water the present invention provides a kind of chemical agent tune stifled thin henchnmrk test device
The applicable chemical agent of the stifled thin process choice of the tune of horizontal well, and improve 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, sieve is wrapped up in outside and 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 present invention also provides a kind of stifled thin henchnmrk test methods of chemical agent tune, 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 present invention provides a kind of evaluating chemical medicines
The experimental provision and method of the stifled thin performance of agent tune, compared with prior art, experimental provision provided by the invention and method are to drive
It based on replacing, and can intuitively observe, the ability of regulation and control of quantitative assessment chemical agent, sealing characteristics and de-plugging performance, thus water
The stifled thin process choice of the tune of horizontal well applicable chemical agent and technique provide foundation, to improve oil displacement efficiency to improve oil product
Recovery ratio；The device and method can simulate the horizontal well of different permeabilities and different permeability grades, inject different type
The stifled thin effect of tune after learning agent, monitors flow direction, the injection pressure of chemical agent, measures oil, the water volume of extraction, can be with dummy level
Well tune blocks up thin effect；Device result provided by the invention 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 provided by the present invention；
Fig. 2 is the structural schematic diagram of three-dimensional simulation device provided by the present invention.
Specific embodiment
The invention discloses a kind of stifled thin henchnmrk test device of chemical agent tune and experimental method, those skilled in the art
Present disclosure can be used for reference, realization of process parameters is suitably modified.In particular, it should be pointed out that all similar substitutions and modifications pair
It is it will be apparent that they are considered as including in the present invention for those skilled in the art.It method of the invention and answers
With being described by preferred embodiment, related personnel can obviously not depart from the content of present invention, in spirit and scope
To method described herein and application is modified or appropriate changes and combinations, carrys 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
(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
With data collection system observe injection water flow to, from the dummy level well well head collect Produced Liquid, measure the grease body of extraction
Product, 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 chemical agent
Stifled thin henchnmrk test is adjusted, is compared with no evaluation experimental by " tune ", " stifled ", " thin ", from oil displacement efficiency, injection
After profile control agent-blocking agent-de-plugging agent, the aqueous decline 45.4% of subsequent waterflooding, recovery ratio improves 14.9%, and recovery ratio is than injection phase
The recovery ratio of the water blockoff measure of same volume blocking agent improves 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, and flow increases by 1.89 times, illustrates to have dredged pit shaft and near wellbore formation, effectively extensive
Liquid-producing capacity is answered, experimental method provided by the invention provides basis to develop suitable industrial DP technology.
Comparative example 1
Control experiment 1: the experimental method according to embodiment 2 is identical, and difference is in (9.5) step only from the simulation water
Horizontal well plug injects blocking agent；In terms of oil displacement efficiency, it is only injected into the experimental technique of blocking agent, the aqueous decline 29.4% of when subsequent waterflooding,
Recovery ratio improves 9.8%.
Control experiment 2: the experimental method according to embodiment 2 is identical, and difference is in (9.5) step only from the simulation water
Horizontal well is segmented the microcosmic grease adjustment and control system and blocking agent of plug three kinds of different colours of injection respectively；In terms of oil displacement efficiency, transfer drive is injected
After agent-blocking agent, the aqueous decline 44.7% of subsequent waterflooding, recovery ratio improves 14.1%, and recovery ratio is than injection same volume blocking agent
Water blockoff measure recovery ratio improve 4.3%.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (9)
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
Be distributed on portion's side wall several communicated with the simulation subterranean layer cavity can supply water, the through-hole that passes through of oil, it is solid in the through-hole
The die-filling quasi- perforated casing in Dingan County, 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 be equipped with 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, the six-way valve top are connected with pressure gauge.
9. using the stifled thin henchnmrk test method of chemical agent tune that any experimental provision of claim 1-8 is realized,
It is characterized in that, 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, from institute
It states in the water filling to the simulation subterranean layer cavity of dummy level well, 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 being saturated, from described
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 subterranean layer chamber
Intracorporal water content reaches 90%, monitors pressure change in injection process, is observed by the camera and data collection system
Inject 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 subterranean layer chamber
Intracorporal water content reaches 95%, monitors pressure change in injection process, by visualization system observe injection water flow to；
(9.5) be segmented respectively from the dummy level well plug injection microcosmic grease adjustment and control system of three kinds of different colours, blocking agent and
De-plugging agent monitors pressure change in injection process, observes chemical agent flow direction by the camera and data collection system, quiet
To；
(9.6) the injection experiments water since the water injection well monitors pressure change in injection process, by the camera and
Data collection system observation injection water flow to, from the dummy level well well head collect Produced Liquid, measure the grease volume of extraction,
The moisture content after adjusting stifled dredge is calculated, stifled thin effect is adjusted in comparison.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811087685.2A CN109209288B (en) | 2018-09-18 | 2018-09-18 | Experimental device and experimental method for evaluating blocking and dredging performance of chemical agent |
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| CN201811087685.2A CN109209288B (en) | 2018-09-18 | 2018-09-18 | Experimental device and experimental method for evaluating blocking and dredging performance of chemical agent |
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| CN109209288B CN109209288B (en) | 2024-03-01 |
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| CN209179723U (en) * | 2018-09-18 | 2019-07-30 | 山东大东联石油设备有限公司 | A kind of stifled thin henchnmrk test device of chemical agent tune |
-
2018
- 2018-09-18 CN CN201811087685.2A patent/CN109209288B/en active Active
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| CN102900431A (en) * | 2012-09-06 | 2013-01-30 | 中国石油化工股份有限公司 | Plugging simulation experiment device for horizontal well |
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| Publication number | Publication date |
|---|---|
| CN109209288B (en) | 2024-03-01 |
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