CN109681155A - Production increasing method for reinjecting oil layer by associated tail gas of fire flooding oil field production well - Google Patents
Production increasing method for reinjecting oil layer by associated tail gas of fire flooding oil field production well Download PDFInfo
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- CN109681155A CN109681155A CN201811344566.0A CN201811344566A CN109681155A CN 109681155 A CN109681155 A CN 109681155A CN 201811344566 A CN201811344566 A CN 201811344566A CN 109681155 A CN109681155 A CN 109681155A
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- fireflood
- tail gas
- producing well
- oil reservoir
- gas
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- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000004519 manufacturing process Methods 0.000 title abstract description 9
- 239000012530 fluid Substances 0.000 claims abstract description 43
- 239000007789 gas Substances 0.000 claims description 112
- 238000002485 combustion reaction Methods 0.000 claims description 47
- 238000002347 injection Methods 0.000 claims description 35
- 239000007924 injection Substances 0.000 claims description 35
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 21
- 230000015572 biosynthetic process Effects 0.000 claims description 14
- 230000003139 buffering effect Effects 0.000 claims description 10
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 9
- 239000000446 fuel Substances 0.000 claims description 9
- 239000001301 oxygen Substances 0.000 claims description 9
- 229910052760 oxygen Inorganic materials 0.000 claims description 9
- 230000003750 conditioning effect Effects 0.000 claims description 8
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000003345 natural gas Substances 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 239000002283 diesel fuel Substances 0.000 claims description 3
- 239000004088 foaming agent Substances 0.000 claims description 3
- 230000002269 spontaneous effect Effects 0.000 claims description 3
- 238000004064 recycling Methods 0.000 abstract description 10
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 9
- 229910002092 carbon dioxide Inorganic materials 0.000 description 6
- 239000001569 carbon dioxide Substances 0.000 description 5
- 238000006392 deoxygenation reaction Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000003912 environmental pollution Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000003208 petroleum Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000010795 Steam Flooding Methods 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 238000005325 percolation Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- -1 transfer drive Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- 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
- 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
- E21B43/166—Injecting a gaseous medium; Injecting a gaseous medium and a liquid medium
- E21B43/168—Injecting a gaseous medium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G7/00—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals
- F23G7/06—Incinerators or other apparatus for consuming industrial waste, e.g. chemicals of waste gases or noxious gases, e.g. exhaust gases
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2209/00—Specific waste
- F23G2209/14—Gaseous waste or fumes
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Frying-Pans Or Fryers (AREA)
Abstract
The invention relates to a production increasing method for reinjecting an oil layer by associated tail gas of a fire flooding oil field production well. The method can convert associated tail gas of the fireflood oilfield production well into multi-element hot fluid which can be reinjected into a stratum, and the multi-element hot fluid is injected into an oil reservoir stratum to realize yield increase and realize recycling of associated gas of the oilfield production well.
Description
Technical field
The present invention relates to oilfield exploitation technical field more particularly to a kind of utilization fireflood oilfield producing well association tail gas re-injections
The method for increasing of oil reservoir.
Background technique
Oil field association tail gas is in oil extraction process with the gas that cannot be used directly of petroleum liquid discharge.
Using fireflood, steam drive or gas drive (such as CO2Drive) etc. improve recovery efficiency technique exploitation petroleum during, the first contained in petroleum
Alkane gas can be discharged together with displacement of reservoir oil gas, become the associated gas of oil extraction process, the associated gas of concentration height (> 30%vo1) can
Directly or indirectly utilized, and the associated gas (generally containing the methane of 1-10%vo1) that content is low is sharp due to cannot directly be burnt
With, it is most of to be directly vented on the spot, form the association Methane offgas of oil extraction process.Association tail gas in oil field is because of its situation spy
Very receive more and more attention.It is most of due to recovery technology is uneconomical at present directly to empty, it results in waste of resources；Together
When, fireflood producing well association tail gas mainly contains methane (CH4) and carbon dioxide (CO2), scene generally using recycling after sulphur removal or
Burning utilizes, methane (CH4) content it is unstable, burn utilize during, it is often flame-out, generate security risk；Methane
(CH4) it is a kind of greenhouse gases, greenhouse effects are upper 25 times bigger than carbon dioxide, cause environmental pollution, the recycling and benefit of tail gas
With being the unavoidable ring of ecological, environmental protective.
The present inventor based on years of experience and practice in relevant industries, proposes a kind of raw using fireflood oil field as a result,
The method for increasing of well association tail gas re-injection oil reservoir is produced, to overcome the deficiencies of existing technologies.
Summary of the invention
The purpose of the present invention is to provide a kind of method for increasing using fireflood oilfield producing well association tail gas re-injection oil reservoir,
The problems such as overcoming the wasting of resources of oil field association tail gas and environmental pollution existing in the prior art, this method can be raw by fireflood oil field
Produce well association tail gas be converted into can reinjection into reservoir multielement hot fluid, injection reservoir formation realize volume increase, realize oilfield producing well
The recycling of associated gas.
The object of the present invention is achieved like this, a kind of volume increase using fireflood oilfield producing well association tail gas re-injection oil reservoir
Method, including, it is hot fluid that the fireflood oilfield producing well associated gas of collection, which is passed through burner structure burning conversion, then will be hot
Fluid is recycled into reservoir formation, completes oil reservoir volume increase.
In a preferred embodiment of the present invention, a kind of increasing using fireflood oilfield producing well association tail gas re-injection oil reservoir
Production method specifically includes following steps,
Step a, burner structure will be injected after the fireflood oilfield producing well associated gas pressurizing of collection；
Step b, the fireflood oilfield producing well associated gas in burner structure, the burning of fireflood oilfield producing well associated gas are lighted
After form hot fluid；
Step c, hot fluid is by being recycled into reservoir formation behind the outlet of burner structure, is handled up or gas drive, completes
Oil reservoir volume increase.
In a preferred embodiment of the present invention, in step a, fireflood oilfield producing well associated gas injects burner structure
Before, burner structure is preheated.
In a preferred embodiment of the present invention, the burner structure includes combustion chamber and surge chamber, the burning
Association tail gas nozzle of air supply is arranged in the inlet of room, and the inlet connection setting association tail gas of the association tail gas nozzle of air supply increases
Pressure system, the inlet of the combustion chamber also set up high-tension ignition unit；The inlet connection setting auxiliary combustion of the combustion chamber
Air supply system is burnt, the inlet of the combustion chamber is also connected to setting fuel feed system；The surge chamber and the combustion chamber connect
Logical setting, the outlet of the export mixes burner structure of the surge chamber.
In a preferred embodiment of the present invention, the fuel feed system is that the combustion chamber supplies natural air-liquid
Change gas or diesel oil；The auxiliary combustion air supply system is that the combustion chamber supplies oxygen or air.
In a preferred embodiment of the present invention, anti-stall burner plate is set in the combustion chamber.
In a preferred embodiment of the present invention, removedly connection setting buffers deaerating plant on the combustion chamber,
The buffering deaerating plant is arranged close to the surge chamber.
In a preferred embodiment of the present invention, entry well fluid temperature conditioning unit is set on the outside of the outlet of the surge chamber,
The entry well fluid temperature conditioning unit controls the aperture of the association tail gas nozzle of air supply by signal.
In a preferred embodiment of the present invention, in the hot fluid of the outlet outflow of spontaneous combustion burner structure, high temperature is added
Reservoir formation is recycled into after expansion-resisting agent, high-temp foaming agent or viscosity reduction de-plugging agent.
In a preferred embodiment of the present invention, the temperature range of hot fluid is 120 DEG C~180 DEG C.
From the above mentioned, the method for increasing provided by the invention using fireflood oilfield producing well association tail gas re-injection oil reservoir has
It is following the utility model has the advantages that
In method for increasing using fireflood oilfield producing well association tail gas re-injection oil reservoir of the invention, fireflood oilfield producing well
Associated gas high conversion efficiency, it is easy to operate；It is low to its component requirements when recycling fireflood oilfield producing well associated gas, generally
Strong applicability；Burner knot used in method for increasing using fireflood oilfield producing well association tail gas re-injection oil reservoir of the invention
Structure, structure is simple, and has anti-extinguishing and deoxygenation multiple action, guarantees the continuous burning of fireflood oilfield producing well association tail gas, and
The oxygen content for guaranteeing hot fluid is 0；Method for increasing using fireflood oilfield producing well association tail gas re-injection oil reservoir of the invention, gram
The problems such as taking the wasting of resources of oil field association tail gas and environmental pollution existing in the prior art, this method can produce fireflood oil field
Well association tail gas be converted into can reinjection into reservoir multielement hot fluid, injection reservoir formation realize volume increase, realize oilfield producing well companion
Angry recycling.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein:
Fig. 1: to be fired used in the method for increasing of the invention using fireflood oilfield producing well association tail gas re-injection oil reservoir
The schematic diagram of burner structure.
In figure:
100, burner structure；
101, combustion chamber；102, surge chamber；
11, association tail gas nozzle of air supply；12, high-tension ignition unit；
2, association tail gas pressure charging system；
3, auxiliary combustion air supply system；
4, fuel feed system；
5, anti-stall burner plate；
6, deaerating plant is buffered；
7, entry well fluid temperature conditioning unit.
Specific embodiment
For a clearer understanding of the technical characteristics, objects and effects of the present invention, this hair of Detailed description of the invention is now compareed
Bright specific embodiment.
The present invention provides a kind of method for increasing using fireflood oilfield producing well association tail gas re-injection oil reservoir, including, it will receive
The fireflood oilfield producing well associated gas integrated by burner structure burning conversion as hot fluid, the fireflood oilfield producing well companion of collection
Angry method is the prior art, and details are not described herein；In order to reach preferable effect of increasing production, it is recycled into the hot-fluid of reservoir formation
The temperature range of body is 120 DEG C~180 DEG C, and in a specific embodiment of the invention, the temperature of hot fluid is 156 DEG C.Then
Hot fluid is recycled into reservoir formation, completes oil reservoir volume increase.
In method for increasing using fireflood oilfield producing well association tail gas re-injection oil reservoir of the invention, fireflood oilfield producing well
Associated gas high conversion efficiency, it is easy to operate；It is low to its component requirements when recycling fireflood oilfield producing well associated gas, generally
Strong applicability；Method for increasing using fireflood oilfield producing well association tail gas re-injection oil reservoir of the invention, overcomes in the prior art
The problems such as existing oil field association tail gas wasting of resources and environmental pollution, this method can turn fireflood oilfield producing well association tail gas
Turn to can reinjection into reservoir multielement hot fluid, injection reservoir formation realize volume increase, realize oilfield producing well associated gas recycling benefit
With.
Further, the method for increasing of the invention using fireflood oilfield producing well association tail gas re-injection oil reservoir, specifically includes
Following steps,
Step a, burner structure 100 will be injected after the fireflood oilfield producing well associated gas pressurizing of collection；
Before fireflood oilfield producing well associated gas injects burner structure 100, burner structure 100 is preheated.
Step b, the fireflood oilfield producing well associated gas in burner structure 100, fireflood oilfield producing well associated gas are lighted
Hot fluid is formed after burning；
Fireflood oilfield producing well associated gas burning, the gas generated after burning it is untreated it is preceding mainly include carbon dioxide,
Nitrogen, a small amount of oxygen and a small amount of water vapour.
Step c, it is recycled into reservoir formation behind the outlet that hot fluid passes through burner structure 100, is handled up or gas drive is (hot
Fluid is mixed gas), complete oil reservoir volume increase.
Wherein, in order to realize the viscosity reduction of hot fluid, transfer drive, supplement stratum energy and improve and fluidly descend the work such as percolation ability
With spontaneous combustion burner structure exports in the hot fluid flowed out, returns after addition high temperature antiexpansion, high-temp foaming agent or viscosity reduction de-plugging agent
Infuse reservoir formation.
Further, as shown in Figure 1, burner structure 100 includes combustion chamber 101 and surge chamber 102, combustion chamber 101 enters
Association tail gas nozzle of air supply 11, the inlet connection setting association tail gas pressure charging system of association tail gas nozzle of air supply 11 are set at mouthful
2, the inlet of combustion chamber 101 also sets up high-tension ignition unit 12；The inlet connection setting auxiliary combustion of combustion chamber 101 supplies
System 3, the inlet of combustion chamber 101 are also connected to setting fuel feed system 4；Surge chamber 102 is connected to setting with combustion chamber 101,
The outlet of the export mixes burner structure of surge chamber 102.
In the present embodiment, fuel feed system 4 is that combustion chamber 101 supplies natural gas, liquefied gas or diesel oil, preferably day
Right gas；Auxiliary combustion air supply system 3 is that combustion chamber 101 supplies oxygen or air, preferably air.
Before fireflood oilfield producing well associated gas injects burner structure 100, auxiliary combustion air supply system 3 is combustion chamber 101
Air is supplied, fuel feed system 4 is the natural gas that combustion chamber 101 supplies a small amount of (can complete preheating), uses high pressure
Igniting unit 12 ignites natural gas, preheated burning room 101, after stablizing burning, opens association tail gas pressure charging system 2, fireflood oil field
Producing well associated gas enters combustion chamber 101 after the pressurization of association tail gas pressure charging system 2, through association tail gas nozzle of air supply 11,
The burning of fireflood oilfield producing well associated gas, closes fuel feed system 4.
Further, as shown in Figure 1, the anti-stall burner plate 5 of setting, anti-stall burner plate 5 can effectively prevent in combustion chamber 101
Fireflood oilfield producing well associated gas extinguishes, and guarantees the continuous burning in combustion chamber 101.After the burning of fireflood oilfield producing well associated gas
Gas first pass through anti-stall burner plate 5, then flowing outward.It is anti-stall that anti-stall burner plate 5 can use infrared ray, can be with
It is anti-stall using other principles.
Further, as shown in Figure 1, removedly connection setting buffering deaerating plant 6, buffering deoxygenation fill on combustion chamber 101
6 are set to be arranged close to surge chamber 102.Under normal circumstances, buffering 6 quantity of deaerating plant is two, and a buffering deaerating plant 6 is connected to
It is arranged in combustion chamber 101, the oxygen in gas after removal fireflood oilfield producing well associated gas burning, another buffering deoxygenation dress
Set 6 be used as it is spare, once the buffering deaerating plant 6 in goes wrong, be connected to spare buffering deaerating plant 6 at once, keep away
Exempt to interrupt the deoxygenation after burning, guarantees that oxygen content is 0 in hot fluid.
Further, as shown in Figure 1, entry well fluid temperature conditioning unit 7, entry well fluid temperature are arranged on the outside of the outlet of surge chamber 102
It controls unit 7 and controls the aperture of association tail gas nozzle of air supply 11 by signal, to control the entrance of fireflood oilfield producing well associated gas
Flow in combustion chamber 101, entry well fluid temperature conditioning unit 7 can control opening for association tail gas nozzle of air supply 11 according to temperature signal
Degree, the control mode can be it is automatically controlled be also possible to gas control, can also be other control modes.7 energy of entry well fluid temperature conditioning unit
The temperature of enough preferable monitoring hot fluids guarantees volume increase effect so that the hot fluid for being recycled into reservoir formation is maintained at optimum temperature
Fruit.
In a specific embodiment of the invention, certain heavy crude reservoir is handled up before well takes method of the invention, average to produce daily
6 side of liquid, average 0.1 ton of day oil-producing handle 180,000 mark side of association tail gas using method of the invention, generate hot fluid 1,360,000 and mark
Side, mainly contains nitrogen and carbon dioxide, oxygen content 0；Injection pressure 15.5MPa injects 156 DEG C of temperature, hot fluid re-injection
It to after heavy crude reservoir stratum, boils in a covered pot over a slow fire well 7 days, after driving a well, averagely produces 12.8 tons of liquid daily, average 4.3 tons of day oil-producing produces validity period
251 days, increase 1104 tons of oil, heavy crude reservoir effect of increasing production is obvious.
From the above mentioned, the method for increasing provided by the invention using fireflood oilfield producing well association tail gas re-injection oil reservoir has
It is following the utility model has the advantages that
In method for increasing using fireflood oilfield producing well association tail gas re-injection oil reservoir of the invention, fireflood oilfield producing well
Associated gas high conversion efficiency, it is easy to operate；It is low to its component requirements when recycling fireflood oilfield producing well associated gas, generally
Strong applicability；Burner knot used in method for increasing using fireflood oilfield producing well association tail gas re-injection oil reservoir of the invention
Structure, structure is simple, and has anti-extinguishing and deoxygenation multiple action, guarantees the continuous burning of fireflood oilfield producing well association tail gas, and
The oxygen content for guaranteeing hot fluid is 0；Method for increasing using fireflood oilfield producing well association tail gas re-injection oil reservoir of the invention, gram
The problems such as taking the wasting of resources of oil field association tail gas and environmental pollution existing in the prior art, this method can produce fireflood oil field
Well association tail gas be converted into can reinjection into reservoir multielement hot fluid, injection reservoir formation realize volume increase, realize oilfield producing well companion
Angry recycling.
The foregoing is merely the schematical specific embodiment of the present invention, the range being not intended to limit the invention.It is any
Those skilled in the art, made equivalent changes and modifications under the premise of not departing from design and the principle of the present invention,
It should belong to the scope of protection of the invention.
Claims (10)
1. a kind of method for increasing using fireflood oilfield producing well association tail gas re-injection oil reservoir, which is characterized in that including will collect
Fireflood oilfield producing well associated gas by burner structure burning conversion be hot fluid, then with being recycled into oil reservoir by hot fluid
Layer completes oil reservoir volume increase.
2. utilizing the method for increasing of fireflood oilfield producing well association tail gas re-injection oil reservoir as described in claim 1, feature exists
In, following steps are specifically included,
Step a, burner structure will be injected after the fireflood oilfield producing well associated gas pressurizing of collection；
Step b, the fireflood oilfield producing well associated gas in burner structure, shape after the burning of fireflood oilfield producing well associated gas are lighted
At hot fluid；
Step c, hot fluid is by being recycled into reservoir formation behind the outlet of burner structure, is handled up or gas drive, and oil reservoir is completed
Volume increase.
3. utilizing the method for increasing of fireflood oilfield producing well association tail gas re-injection oil reservoir as claimed in claim 2, feature exists
In, in step a, fireflood oilfield producing well associated gas inject burner structure before, burner structure is preheated.
4. utilizing the method for increasing of fireflood oilfield producing well association tail gas re-injection oil reservoir as claimed in claim 2, feature exists
In the burner structure includes combustion chamber and surge chamber, and association tail gas nozzle of air supply, institute is arranged in the inlet of the combustion chamber
The inlet connection setting association tail gas pressure charging system of association tail gas nozzle of air supply is stated, the inlet of the combustion chamber also sets up height
Press igniting unit；The inlet connection setting auxiliary combustion air supply system of the combustion chamber, the inlet of the combustion chamber also connects
Logical setting fuel feed system；The surge chamber and the combustion chamber are arranged, the export mixes burner of the surge chamber
The outlet of structure.
5. utilizing the method for increasing of fireflood oilfield producing well association tail gas re-injection oil reservoir as claimed in claim 4, feature exists
In the fuel feed system is that the combustion chamber supplies natural gas, liquefied gas or diesel oil；The auxiliary combustion air supply system is
The combustion chamber supply oxygen or air.
6. utilizing the method for increasing of fireflood oilfield producing well association tail gas re-injection oil reservoir as claimed in claim 4, feature exists
In the anti-stall burner plate of setting in the combustion chamber.
7. utilizing the method for increasing of fireflood oilfield producing well association tail gas re-injection oil reservoir as claimed in claim 4, feature exists
In removedly connection setting buffering deaerating plant, the buffering deaerating plant are set close to the surge chamber on the combustion chamber
It sets.
8. utilizing the method for increasing of fireflood oilfield producing well association tail gas re-injection oil reservoir as claimed in claim 4, feature exists
In setting entry well fluid temperature conditioning unit on the outside of the outlet of the surge chamber, the entry well fluid temperature conditioning unit passes through signal and controls
The aperture of the association tail gas nozzle of air supply.
9. utilizing the method for increasing of fireflood oilfield producing well association tail gas re-injection oil reservoir, feature as claimed in claim 1 or 2
It is, in the hot fluid of the outlet outflow of spontaneous combustion burner structure, after addition high temperature antiexpansion, high-temp foaming agent or viscosity reduction de-plugging agent
It is recycled into reservoir formation.
10. the method for increasing of fireflood oilfield producing well association tail gas re-injection oil reservoir is utilized as claimed in claim 1 or 2, it is special
Sign is that the temperature range of hot fluid is 120 DEG C~180 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811344566.0A CN109681155A (en) | 2018-11-13 | 2018-11-13 | Production increasing method for reinjecting oil layer by associated tail gas of fire flooding oil field production well |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811344566.0A CN109681155A (en) | 2018-11-13 | 2018-11-13 | Production increasing method for reinjecting oil layer by associated tail gas of fire flooding oil field production well |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116927735A (en) * | 2023-09-12 | 2023-10-24 | 陕西斯锐明天智能设备有限公司 | Multi-point oil extraction process and gas injection device for stratum block of oil field |
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Application publication date: 20190426 |