CN107558973A - A kind of method for implementing microbial oil displacement by oil well - Google Patents
A kind of method for implementing microbial oil displacement by oil well Download PDFInfo
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Abstract
The invention belongs to technical field of tertiary oil recovery, and in particular to a kind of method for implementing microbial oil displacement by oil well, this method specifically include following steps：Test the screening of oil well；The screening of activator；The determination of activator injection technological parameter, including the injection rate of activator, injection length and injection rate and the injection rate of air；Field test, live injection is carried out according to the activator of above-mentioned determination and air injection technology parameter, water injection well stops water filling when scene is injected, and oil well opening well and making production, water injection well start water filling after the completion of injection.For this method by well construction, the specific aim and operability of field conduct are stronger, and have the advantages that compared with conventional method cost of winning it is low, without subsequent treatment.Therefore, present invention is generally applicable in Microbial Enhanced Oil Recovery field.
Description
Technical field：
The invention belongs to technical field of tertiary oil recovery, and in particular to a kind of method for implementing microbial oil displacement by oil well.
Background technology：
Microbial oil displacement refers to using microorganism in itself and its metabolite (biosurfactant, biopolymer, life
Thing gas) with reservoir rockses, fluid comprehensive function improve oil recovery factor technology.The technology has cost of investment low, not dirty
The advantages of contaminating environment and oil reservoir wide adaptation range, therefore there is wide field application prospect.
Traditional microbial oil displacement is directed to inject special functional microorganism or activator in water injection well, utilizes microorganism
Under reservoir conditions, the amount reproduction at oil-water interfaces, surface reactive material and biogas are produced, so as to increase crude oil flow
Property, change wettability of rock surface, oil film is peeled off from rock surface, dredge seepage channel, displacement oil reservoir residual oil is improved and adopted
The technology of yield.But due in long-time displacement process between oil-water well easily formed macropore so that microorganism and swash
Agent nutrients living flows along macrovoid, shortens the action time of microorganism, and due to long-time displacement, near water injection well
Oil saturation it is relatively low, reduce the scope of microbial action crude oil.Therefore, it is necessary to which new method further improves microorganism
The sphere of action and effect of the displacement of reservoir oil.
The content of the invention：
There is provided it is an object of the invention to overcome the deficiencies in the prior art and a kind of microbial oil displacement to be implemented by oil well
Method, this method are realized by the screening of oil well, the screening of activator, the determination of activator injection technique and field test
The purpose of oil well output is significantly increased.
The invention discloses a kind of method for implementing microbial oil displacement by oil well, it is characterised in that specifically includes following step
Suddenly：
(1) screening of oil well is tested
(2) screening of activator
(3) determination of live injection technology parameter
Live injection technology parameter includes injection rate, injection length and the injection rate of activator and the injection of air
Amount；
The injection rate of activator is calculated by formula below and determined：
V1=ahr Ф Sw
Wherein, V1--- the volume injection rate of activator, m3；
A --- oil reservoir width, m；
H --- core intersection, m；
R --- well treatment radius, m, its value are the 2/3 of experiment oil well and water filling inter-well distance；
Ф --- reservoir pore degree, decimal；
Sw--- well water saturation degree, decimal；
The injection length of activator and the determination method of injection rate are as follows：
Experiment oil well carries out tracer detection before microbial oil displacement is implemented, and determines that waterline pushes away according to tracer test result
Enter speed；Secondly the injection length of activator is determined according to water-front advance velocity and well treatment radius；Finally according to activator
Injection rate and injection length determine the injection rate of activator.
The injection rate of air is determined by following formula：
V2=β V1
Wherein, V2--- the volume injection rate of air, Nm3；
β --- volume multiple, value are 3~5；
V1--- the volume injection rate of activator, m3；
(4) field test
Field test, the specific steps of field test are carried out according to the activator of above-mentioned determination and air injection technology parameter
For：
1. water injection well stops water filling；2. activator and air that oil well injects the first slug are tested, the injection rate of activator
For the 1/6 of total injection rate, the injection rate of air is the 1/2 of total injection rate；3. injecting the activator and air of the second slug, activate
The injection rate of agent is the 1/2 of total injection rate, and the injection rate of air is the 1/3 of total injection rate；4. inject the activator of the 3rd slug
And air, the injection rate of activator are the 1/3 of total injection rate, the injection rate of air is the 1/6 of total injection rate；5. activator injection
After the completion of oil well opening well and making production, water injection well starts water filling；6. micro- life in tracking and monitoring production fluid simultaneously after oil well opening well and making production
The change of thing group and the Production development change of oil well.
Wherein, the screening of described test well is, it is necessary to meet condition：1. experiment oil well is in tomography oil pool outline or oil
Pinching region is hidden, oil well is unidirectionally imitated；Experiment oil-water well spacing is more than 100m, and oil reservoir width is more than 10m, and thickness is more than 2m；Examination
Test oil reservoir basic parameter：30 DEG C of 80 DEG C of ＜ reservoir temperatures ＜, reservoir pressure ＜ 12MPa, formation water salinity ＜ 80000mg/L,
In-place permeability ＞ 50 × 10-3μm2, 10~1000mPas of viscosity of crude scope；2. it whether there is in detection reservoir formation water
Biosurfactant production, generation gas, generation polymer function bacterium in it is one or more of, and bacterium is dense 103Individual/mL
More than.
The function bacterium of described biosurfactant production, it is 10~20g/L of glucose, K that it, which activates agent prescription,2HPO4·
3H21~3g/L of O, 0.5~1g/L of dusty yeast, 0.5~1g/L of NaCl, 20~30mg/L of trace element；Described generation gas
Function bacterium, its activate agent prescription be 5~15g/L of starch, 2~5g/L of Dried Corn Steep Liquor Powder, K2HPO4·3H22~3g/L of O,
NaNO30.5~1g/L, 10~20mg/L of trace element；The function bacterium of described generation polymer, its activation agent prescription are
5~10g/L of starch, 3~5g/L of peptone, K2HPO4·3H2O2~3g/L, NaNO30.6~1.0g/L, CaCl20.5~1g/
L, 5~10mg/L of trace element.
The function bacterium of described biosurfactant production is in bacillus subtilis, bacillus licheniformis and pseudomonad
It is one or more of；The function bacterium of generation gas be methane thermal bacillus, methane eat methyl bacterium and one kind in aerobacteria or with
On；The function bacterium of generation polymer is one or more of in Bacillus alcaligenes, false Xanthomonas campestris and sphingomonas paucimobilis.
Oil well opening well and making production after the completion of described activator and air injection, water injection well start water filling, and its manufacturing parameter is：
1. drive a well 1~30d, water injection well water injection rate and oilwell produced fluid amount are 1/5 before experiment；2. drive a well 31~60d, water injection well
Water injection rate and oilwell produced fluid amount are 1/3 before experiment；3. drive a well 61~120d, water injection well water injection rate and oilwell produced fluid amount are equal
For 1/2 before experiment；4. drive a well 121~180d, water injection well water injection rate and oilwell produced fluid amount are 2/3 before experiment；5. open
Water injection well water injection rate and oilwell produced fluid amount return to level before experiment after well 180d.
The present invention has the following advantages that compared with prior art and beneficial effect：
(1) conventional method from water injection well injection is broken through, particular for fault block edge oil well and the oil reservoir point unidirectionally imitated
Go out oil well, implements microbial oil displacement using the method that activator is injected from oil well；(2) traditional microbial single well stimulation is mainly made
With adjacent to oil well area, and this method acts not only on the near wellbore zone of oil well, and acts on the deep of oil well；(3) activate
The injection rate of agent is far more than the injection rate of microbial single well stimulation, and expand microorganism involves scope, so as to more preferable
Oil displacement efficiency；(4) due to after microbial action crude oil it is relatively short apart from well head, advantageously in the extraction of crude oil, simultaneously
Activator need not run through whole oil reservoir, reduce the consumption of activator, activator can be more efficiently utilized, microorganism
And its metabolite can also play bigger effect；(5) the method is by well construction, the specific aim of field conduct and can grasp
The property made is stronger, and have the advantages that compared with conventional method cost of winning it is low, without subsequent treatment.
Specific implementation method：
The present invention is described in further detail with reference to specific embodiment, and with reference to data.It should be understood that these embodiments
It is of the invention solely for the purpose of illustration, rather than the scope limiting the invention in any way.
Embodiment 1：
Test oil well F12Overview：60 DEG C, formation pressure 10MPa of the reservoir temperature of oil well, permeability 300 × 10-3μm2, ground
Layer water salinity 12000mg/L, porosity 23%, viscosity of crude 300mPa.s, well water saturation degree 0.65, oil well oil reservoir are wide
15m, core intersection 5m, oil-water well spacing 150m, aqueous 90% are spent, oil well daily fluid production rate is 45m3/ d, the day note of corresponding well
Water is 50m3/ d, belong to fault block oil reservoir edge unidirectionally by effect well, tracer detection water-front advance velocity is 3m/d；In the water of stratum
The concentration of bacillus subtilis is 2.1 × 102Individual/mL, the concentration of methane thermal bacillus are 1.1 × 103Individual/mL.
Implement comprising the following steps that for the present invention：
(1) screening of oil well is tested,
Test oil well F12Actual parameter meet the oil well screening criteria of the present invention, therefore the present invention can be implemented.
(2) screening of activator
In experiment oil well mainly based on the function bacterium methane thermal bacillus of generation gas, it is starch 10g/ that it, which activates agent prescription,
L, Dried Corn Steep Liquor Powder 5g/L, K2HPO4·3H2O 2g/L、NaNO30.5g/L, micro- 15mg/L.
(3) determination of live injection technology parameter
The amount V of activator1=15 × 5 × 150 × 2/3 × 0.23 × 0.65=1121.25m3。
It is that to calculate the activator injection time be 33.3d to 100m according to the 2/3 of aqueous phase fltting speed 3m/d and oil-water well spacing,
Daily injection rate is 33.67m3/d。
The injection rate V of air2=3 × 1121.25=3363.75Nm3。
(4) field test
Field test, the specific steps of field test are carried out according to the activator of above-mentioned determination and air injection technology parameter
For：
1. water injection well stops water filling；2. activator and air that oil well injects the first slug are tested, the injection rate of activator
For the 1/6 of total injection rate, the injection rate of air is the 1/2 of total injection rate；3. injecting the activator and air of the second slug, activate
The injection rate of agent is the 1/2 of total injection rate, and the injection rate of air is the 1/3 of total injection rate；4. inject the activator of the 3rd slug
And air, the injection rate of activator are the 1/3 of total injection rate, the injection rate of air is the 1/6 of total injection rate；5. activator injection
After the completion of oil well opening well and making production, water injection well starts water filling；6. micro- life in tracking and monitoring production fluid simultaneously after oil well opening well and making production
The change of thing group and the Production development change of oil well.The specific injection parameter of different slug activator and air is shown in Table 1.
Oil well opening well and making production after the completion of activator injection, water injection well start water filling, and its manufacturing parameter is：1. drive a well the 1st~
30d, water injection well water injection rate and oilwell produced fluid amount be experiment before 1/5, respectively 10m3/ d and 9m3/d；2. drive a well the 31st~
60d, water injection well water injection rate and oilwell produced fluid amount be experiment before 1/3, respectively 16.7m3/ d and 15m3/d；3. drive a well the 61st
~120d, water injection well water injection rate and oilwell produced fluid amount be experiment before 1/2, respectively 25m3/ d and 22.5m3/d；4. drive a well
121~180d, water injection well water injection rate and oilwell produced fluid amount be experiment before 2/3, respectively 33.3m3/ d and 30m3/d；5. open
Water injection well water injection rate and oilwell produced fluid amount return to horizontal, respectively 50m before experiment after well 180d3/ d and 45m3/d。
The different slug activator of table 1 and air injection rate are detailed
Result of the test：Oil well F12Moisture content drops to 81.8% by testing preceding 90%, aqueous to reduce by 8.2 percentage points, day
Oil-producing brings up to 8.2t by 4.5t, adds up to increase oily 3950t, input-output ratio 1：4.2, field test results are good.
Embodiment 2：
Test oil well L3Overview：65 DEG C, formation pressure 9.5MPa of the reservoir temperature of oil well, permeability 530 × 10-3μm2, ground
Layer water salinity 19856mg/L, porosity 25.0%, viscosity of crude 456mPa.s, well water saturation degree 0.55, oil well oil reservoir
Width 25m, core intersection 4.5m, oil-water well spacing 200m, aqueous 94.4%, oil well daily fluid production rate is 30m3/ d, corresponding well
Daily water-injection rate be 40m3/ d, belong to fault block oil reservoir edge unidirectionally by effect well, tracer detection water-front advance velocity is 2m/d；Ground
The concentration of bacillus subtilis is 3.5 × 10 in layer water2Individual/mL, the concentration of methane thermal bacillus are 1.1 × 102Individual/mL.
Implement step of the present invention：
(1) screening of oil well is tested,
Test oil well L3Actual parameter meet the oil well screening criteria of the present invention, therefore the present invention can be implemented.
(2) screening of activator
In experiment oil well mainly based on the function bacterium bacillus subtilis of biosurfactant production, it activates agent prescription
For glucose 10g/L, K2HPO4·3H2O 2g/L, dusty yeast 1g/L, NaCl 0.75g/L, micro- 20mg/L.
(3) determination of live injection technology parameter
The amount V of activator1=25 × 4.5 × 200 × 2/3 × 0.25 × 0.55=2060m3。
It is the 133.3m calculating activator injection times to be according to the 2/3 of aqueous phase fltting speed 2m/d and oil-water well spacing
66.7d, daily injection rate are 30.9m3/d。
The injection rate V of air2=5 × 2060=10300Nm3。
(4) field test
Field test, the specific steps of field test are carried out according to the activator of above-mentioned determination and air injection technology parameter
For：
1. water injection well stops water filling；2. activator and air that oil well injects the first slug are tested, the injection rate of activator
For the 1/6 of total injection rate, the injection rate of air is the 1/2 of total injection rate；3. injecting the activator and air of the second slug, activate
The injection rate of agent is the 1/2 of total injection rate, and the injection rate of air is the 1/3 of total injection rate；4. inject the activator of the 3rd slug
And air, the injection rate of activator are the 1/3 of total injection rate, the injection rate of air is the 1/6 of total injection rate；5. activator injection
After the completion of oil well opening well and making production, water injection well starts water filling；6. micro- life in tracking and monitoring production fluid simultaneously after oil well opening well and making production
The change of thing group and the Production development change of oil well.The specific injection parameter of different slug activator and air is shown in Table 2.
Oil well opening well and making production after the completion of activator injection, water injection well start water filling, and its manufacturing parameter is：1. drive a well the 1st~
30d, water injection well water injection rate and oilwell produced fluid amount be experiment before 1/5, respectively 8m3/ d and 6m3/d；2. drive a well the 31st~
60d, water injection well water injection rate and oilwell produced fluid amount be experiment before 1/3, respectively 13.3m3/ d and 10m3/d；3. drive a well the 61st
~120d, water injection well water injection rate and oilwell produced fluid amount be experiment before 1/2, respectively 20m3/ d and 15m3/d；4. drive a well
121~180d, water injection well water injection rate and oilwell produced fluid amount be experiment before 2/3, respectively 26.7m3/ d and 20m3/d；5. open
Water injection well water injection rate and oilwell produced fluid amount return to horizontal, respectively 40m before experiment after well 180d3/ d and 30m3/d。
The different slug activator of table 2 and air injection rate are detailed
Result of the test：Oil well L3Moisture content drops to 84.6% by testing preceding 91.7%, aqueous to reduce by 9.8 percentage points,
Day oil-producing brings up to 4.6t by 2.5t, adds up to increase oily 685t, input-output ratio 1:3.8, field test results are good.
Embodiment 3：
Test oil well M5Overview：72 DEG C, formation pressure 9.2MPa of the reservoir temperature of oil well, permeability 600 × 10-3μm2, ground
Layer water salinity 8692mg/L, porosity 21.0%, viscosity of crude 968mPas, well water saturation degree 0.60, oil well oil reservoir
Width 15m, core intersection 8.0m, oil-water well spacing 100m, aqueous 95.3%, oil well daily fluid production rate is 75m3/ d, corresponding well
Daily water-injection rate be 80m3/ d, belong to fault block oil reservoir edge unidirectionally by effect well, tracer detection water-front advance velocity is 2.5m/d；
The concentration of bacillus licheniformis is 2.1 × 10 in the water of stratum2Individual/mL, the concentration of Bacillus alcaligenes are 7.5 × 103Individual/mL.
Implement comprising the following steps that for the present invention：
(1) screening of oil well is tested,
Test oil well M5Actual parameter meet the oil well screening criteria of the present invention, therefore the present invention can be implemented.
(2) screening of activator
In experiment oil well mainly based on the function bacterium Bacillus alcaligenes of generation polymer, it is starch that it, which activates agent prescription,
8g/L, peptone 4g/L, K2HPO4·3H2O 2.5g/L、NaNO3 0.7g/L、CaCl20.6g/L, micro- 6.5mg/L.
(3) determination of live injection technology parameter
The amount V of activator1=15 × 8 × 100 × 2/3 × 0.21 × 0.6=1008.5m3。
It is the 66.7m calculating activator injection times to be according to the 2/3 of aqueous phase fltting speed 2.5m/d and oil-water well spacing
26.7d, daily injection rate are 37.8m3/d。
The injection rate V of air2=4 × 1008.5=4034Nm3。
(4) field test
Field test, the specific steps of field test are carried out according to the activator of above-mentioned determination and air injection technology parameter
For：
1. water injection well stops water filling；2. activator and air that oil well injects the first slug are tested, the injection rate of activator
For the 1/6 of total injection rate, the injection rate of air is the 1/2 of total injection rate；3. injecting the activator and air of the second slug, activate
The injection rate of agent is the 1/2 of total injection rate, and the injection rate of air is the 1/3 of total injection rate；4. inject the activator of the 3rd slug
And air, the injection rate of activator are the 1/3 of total injection rate, the injection rate of air is the 1/6 of total injection rate；5. activator injection
After the completion of oil well opening well and making production, water injection well starts water filling；6. micro- life in tracking and monitoring production fluid simultaneously after oil well opening well and making production
The change of thing group and the Production development change of oil well.The specific injection parameter of different slug activator and air is shown in Table 3.
Oil well opening well and making production after the completion of activator injection, water injection well start water filling, and its manufacturing parameter is：1. drive a well the 1st~
30d, water injection well water injection rate and oilwell produced fluid amount be experiment before 1/5, respectively 16m3/ d and 15m3/d；2. drive a well the 31st~
60d, water injection well water injection rate and oilwell produced fluid amount be experiment before 1/3, respectively 26.7m3/ d and 25m3/d；3. drive a well the 61st
~120d, water injection well water injection rate and oilwell produced fluid amount be experiment before 1/2, respectively 40m3/ d and 37.5m3/d；4. drive a well
121~180d, water injection well water injection rate and oilwell produced fluid amount be experiment before 2/3, respectively 53.3m3/ d and 50m3/d；5. open
Water injection well water injection rate and oilwell produced fluid amount return to horizontal, respectively 80m before experiment after well 180d3/ d and 75m3/d。
The different slug activator of table 3 and air injection rate are detailed
Result of the test：Oil well M5Moisture content drops to 87.3% by testing preceding 95.3%, aqueous to reduce by 8 percentage points, day
Oil-producing brings up to 9.5t by 3.5t, adds up to increase oily 3250t, input-output ratio 1:4.5, field test results are good.
Claims (5)
- A kind of 1. method for implementing microbial oil displacement by oil well, it is characterised in that specifically include following steps：(1) screening of oil well is tested(2) screening of activator(3) determination of live injection technology parameterLive injection technology parameter includes injection rate, injection length and the injection rate of activator and the injection rate of air；The injection rate of activator is calculated by formula below and determined：V1=ahr Ф SwWherein, V1--- the volume injection rate of activator, m3；A --- oil reservoir width, m；H --- core intersection, m；R --- well treatment radius, m, its value are the 2/3 of experiment oil well and water filling inter-well distance；Ф --- reservoir pore degree, decimal；Sw--- well water saturation degree, decimal；The injection length of activator and the determination method of injection rate are as follows：Experiment oil well carries out tracer detection before microbial oil displacement is implemented, and determines that waterline promotes speed according to tracer test result Degree；Secondly the injection length of activator is determined according to water-front advance velocity and well treatment radius；Finally according to activator injection Amount and injection length determine the injection rate of activator；The injection rate of air is determined by following formula：V2=β V1Wherein, V2--- the volume injection rate of air, Nm3；β --- volume multiple, value 3-5；V1--- the volume injection rate of activator, m3；(4) field testField test is carried out according to the activator of above-mentioned determination and air injection technology parameter, field test concretely comprises the following steps：1. water injection well stops water filling；2. experiment oil well starts to inject the activator and air of the first slug, the injection rate of activator For the 1/6 of total injection rate, the injection rate of air is the 1/2 of total injection rate；3. injecting the activator and air of the second slug, activate The injection rate of agent is the 1/2 of total injection rate, and the injection rate of air is the 1/3 of total injection rate；4. inject the activator of the 3rd slug And air, the injection rate of activator are the 1/3 of total injection rate, the injection rate of air is the 1/6 of total injection rate；5. activator injection After the completion of oil well opening well and making production, water injection well starts water filling；6. micro- life in tracking and monitoring production fluid simultaneously after oil well opening well and making production The change of thing group and the Production development change of oil well.
- 2. the method according to claim 1 for implementing microbial oil displacement by oil well, it is characterised in that described experiment oil The screening of well is, it is necessary to meet condition：1. experiment oil well is in tomography oil pool outline or oil reservoir pinching region, oil well unidirectionally by Effect；Experiment oil-water well spacing is more than 100m, and oil reservoir width is more than 10m, and thickness is more than 2m；Test oil reservoir basic parameter：30 DEG C of ＜ 80 DEG C of reservoir temperature ＜, reservoir pressure ＜ 12MPa, formation water salinity ＜ 80000mg/L, in-place permeability ＞ 50 × 10-3μ m2, 10~1000mPas of viscosity of crude scope；2. detect in reservoir formation water with the presence or absence of biosurfactant production, generation Thing gas, generation polymer function bacterium in it is one or more of, and bacterium is dense 103Individual/more than mL.
- 3. the method according to claim 2 for implementing microbial oil displacement by oil well, it is characterised in that described generation The function bacterium of surfactant, it is 10~20g/L of glucose, K that it, which activates agent prescription,2HPO4·3H21~3g/L of O, dusty yeast 0.5~1g/L, 0.5~1g/L of NaCl, 20~30mg/L of trace element；The function bacterium of generation gas, it activates agent prescription to form sediment 5~15g/L of powder, 2~5g/L of Dried Corn Steep Liquor Powder, K2HPO4·3H22~3g/L of O, NaNO30.5~1g/L, trace element 10~ 20mg/L；The function bacterium of generation polymer, it is 5~10g/L of starch, 3~5g/L of peptone, K that it, which activates agent prescription,2HPO4· 3H22~3g/L of O, NaNO30.6~1.0g/L, CaCl20.5~1g/L, 5~10mg/L of trace element.
- 4. the method according to claim 3 for implementing microbial oil displacement by oil well, it is characterised in that described generation The function bacterium of surfactant is one or more of in bacillus subtilis, bacillus licheniformis and pseudomonad；Generation The function bacterium of gas is one or more of in methane thermal bacillus, methane food methyl bacterium and aerobacteria；The work(of generation polymer Energy bacterium is one or more of in Bacillus alcaligenes, false Xanthomonas campestris and sphingomonas paucimobilis.
- 5. the method according to claim 1 for implementing microbial oil displacement by oil well, it is characterised in that described activator Oil well opening well and making production after the completion of being injected with air, water injection well start water filling, and its manufacturing parameter is：1. drive a well 1~30d, water filling Well water injection rate and oilwell produced fluid amount are 1/5 before experiment；2. drive a well 31~60d, water injection well water injection rate and oilwell produced fluid amount It is 1/3 before experiment；3. drive a well 61~120d, water injection well water injection rate and oilwell produced fluid amount are 1/2 before experiment；4. open 121~180d of well, water injection well water injection rate and oilwell produced fluid amount are 2/3 before experiment；5. water injection well note after the 180d that drives a well Water and oilwell produced fluid amount return to level before experiment.
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| CN110965974A (en) * | 2018-09-29 | 2020-04-07 | 中国石油天然气股份有限公司 | Method for modifying and displacing oil by activating microorganisms in situ in oil reservoir after polymer flooding |
| CN113586027A (en) * | 2021-09-14 | 2021-11-02 | 北京科技大学 | Method for enhancing fracturing-oil displacement effect by using functional microorganisms |
| CN114426833A (en) * | 2020-10-14 | 2022-05-03 | 中国石油化工股份有限公司 | Nitrogen-assisted microbial system and preparation method and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103154430A (en) * | 2010-09-29 | 2013-06-12 | 纳幕尔杜邦公司 | Control of fluid flow during treatment of subterranean sites using well fluid injection |
| CN103291267A (en) * | 2013-06-14 | 2013-09-11 | 中国石油化工股份有限公司 | Method for improving oil well yields by means of oil pool indigenous microorganisms |
| CN103470234A (en) * | 2013-09-25 | 2013-12-25 | 中国石油化工股份有限公司 | Method for optimizing microbial oil displacement site injection process parameters |
| CN104453811A (en) * | 2014-10-27 | 2015-03-25 | 中国石油化工股份有限公司 | Microbial enhanced oil recovering method of moderate-high permeability reservoir |
| CN104481476A (en) * | 2014-10-27 | 2015-04-01 | 中国石油化工股份有限公司 | Method for improving oil recovery efficiency through microbial oil displacement |
| EP2828390A4 (en) * | 2012-03-20 | 2015-11-11 | Transworld Technologies Ltd | Dispersion of compounds for the stimulation of biogenic gas generation in deposits of carbonaceous material |
| CN205330642U (en) * | 2015-11-26 | 2016-06-22 | 中国石油化工股份有限公司 | On --spot device that pours into into of microorganism displacement of reservoir oil solid activator |
-
2016
- 2016-07-01 CN CN201610519236.5A patent/CN107558973A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103154430A (en) * | 2010-09-29 | 2013-06-12 | 纳幕尔杜邦公司 | Control of fluid flow during treatment of subterranean sites using well fluid injection |
| EP2828390A4 (en) * | 2012-03-20 | 2015-11-11 | Transworld Technologies Ltd | Dispersion of compounds for the stimulation of biogenic gas generation in deposits of carbonaceous material |
| CN103291267A (en) * | 2013-06-14 | 2013-09-11 | 中国石油化工股份有限公司 | Method for improving oil well yields by means of oil pool indigenous microorganisms |
| CN103291267B (en) * | 2013-06-14 | 2015-10-07 | 中国石油化工股份有限公司 | A kind of method utilizing reservoir endogenous micro-organisms to improve oil well output |
| CN103470234A (en) * | 2013-09-25 | 2013-12-25 | 中国石油化工股份有限公司 | Method for optimizing microbial oil displacement site injection process parameters |
| CN104453811A (en) * | 2014-10-27 | 2015-03-25 | 中国石油化工股份有限公司 | Microbial enhanced oil recovering method of moderate-high permeability reservoir |
| CN104481476A (en) * | 2014-10-27 | 2015-04-01 | 中国石油化工股份有限公司 | Method for improving oil recovery efficiency through microbial oil displacement |
| CN205330642U (en) * | 2015-11-26 | 2016-06-22 | 中国石油化工股份有限公司 | On --spot device that pours into into of microorganism displacement of reservoir oil solid activator |
Non-Patent Citations (1)
| Title |
|---|
| 何江川: "《油田开发战略性接替技术》", 30 September 2013 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110965974A (en) * | 2018-09-29 | 2020-04-07 | 中国石油天然气股份有限公司 | Method for modifying and displacing oil by activating microorganisms in situ in oil reservoir after polymer flooding |
| CN110863809A (en) * | 2019-10-22 | 2020-03-06 | 中国石油化工股份有限公司 | Method for compositely displacing oil by utilizing electric field and microorganisms |
| CN110863809B (en) * | 2019-10-22 | 2022-01-28 | 中国石油化工股份有限公司 | Method for compositely displacing oil by utilizing electric field and microorganisms |
| CN114426833A (en) * | 2020-10-14 | 2022-05-03 | 中国石油化工股份有限公司 | Nitrogen-assisted microbial system and preparation method and application thereof |
| CN113586027A (en) * | 2021-09-14 | 2021-11-02 | 北京科技大学 | Method for enhancing fracturing-oil displacement effect by using functional microorganisms |
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