CN103867172A - Injection-production system and injection-production method - Google Patents
Injection-production system and injection-production method Download PDFInfo
- Publication number
- CN103867172A CN103867172A CN201410052124.4A CN201410052124A CN103867172A CN 103867172 A CN103867172 A CN 103867172A CN 201410052124 A CN201410052124 A CN 201410052124A CN 103867172 A CN103867172 A CN 103867172A
- Authority
- CN
- China
- Prior art keywords
- injection
- string
- well
- gas
- monitoring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Landscapes
- Extraction Or Liquid Replacement (AREA)
Abstract
The invention discloses an injection-production system and an injection-production method, aiming to solve the problem that a pipe column in a production well is difficult to lift during subsequent well repairing operation of the injection-production system in the prior art. In the injection-production system provided by the invention, a monitoring pipe column and a production pipe column which are independent of each other are arranged in the production well, an injection pipe column and a gas injection pipe column are arranged in the injection well, and the tail end of the production well is communicated with the bottom of the injection well, wherein the monitoring pipe column comprises a monitoring pipe and a guide cone which are connected in series in sequence; a plurality of temperature pressure monitoring devices are arranged in the monitoring pipe; the production pipe column comprises a sucker rod and an oil-gas separating device which are connected in series in sequence; the gas injection pipe column sleeves the upper part of the injection pipe column; the injection pipe column comprises a first oil pipe and a first sealing device which are connected in series in sequence, and a bell mouth is formed at the tail end of the injection pipe column; the gas injection pipe column comprises a second oil pipe and a second packer which are connected in series in sequence. Through the injection-production system and the injection-production method provided by the invention, the difficulty in lifting the pipe column in the production well can be lowered effectively.
Description
Technical field
The present invention relates to combustion in situ exploitation field, relate in particular to a kind of injection and extraction system and note mining method.
Background technology
Combustion in situ production technique is to utilize a part of heavy ingredient of crude oil in oil reservoir to make fuel, constantly burning heat-dissipating, crude oil in oil reservoir is displaced, there is the many advantages such as applied widely, oil displacement efficiency is high, cost is low compared with other oil production methods, can become effective substituted technique of thickened oil recovery.Baked wheaten cake technology is applied to horizontal well, can reaches the effect of fireflood assisted gravity drainage.The stable propelling that in fireflood assisted gravity drainage manufacturing process, typical feature is exactly that high temperature (the highest exceed 700 ℃), high gas-oil ratio (HGOR), production fluid range of temperature are large, tubing string operation number of times directly affects live wire leading edge in manufacturing process, for mid-deep strata heavy crude reservoir, these features are especially large for the normal Influence of production of horizontal production well.The ratio regular meeting that wherein high gas-oil ratio (HGOR) refers to lighter hydrocarbons in crude oil, steam and fluid, because combustion in situ significantly rises, when a large amount of gas enters after pump, due to the compressibility of gas, reduces pump efficiency, to a certain extent time, can cause pump cannot extract fluid out when large-minded.
Conventional fireflood flow string structure is single, is mainly to take over control air pump by oil pipe string be connected in series gas anchor again and form, and wherein gas anchor is according to the difference of gas-liquid density, by helical structure, gas-liquid is separated, liquid enters oil well pump and is extracted into ground, and gas enters oil jacket annular space, then discharges outside well; And gas prevention pump is by opening by force the effect discharge opeing of closing by force, even if containing a small amount of gas in liquid can not affect the normal production of pump yet, solve thus the problem that pump efficiency that high gas-oil ratio (HGOR) brings reduces.
But the problem of effective control production fluid temperature is produced single tubing string and still cannot be solved in above-mentioned fireflood.In fireflood is produced, down-hole fluid is the highest exceedes 700 ℃, minimum can lower than crude oil inflection temperature, (inflection temperature refers under certain temperature condition, thick oil viscosity obviously reduces, suitable with common thin oil viscosity), when too high when downhole temperature, to exceed tubing string resistance to extreme temperature, will make the tubing string life-span significantly reduce, even occur that damage rupture causes pipe fitting to be scrapped; In the time that temperature is too low, the viscous crude in pit shaft is difficult to flow, and for lifting operation brings sizable difficulty, all can affect normally carrying out of production so too high or too low for temperature.
For there is the situations such as too high and too low in oil liquid temperature under control well, generally adopt at present and in the producing well in injection and extraction system, be lowered to flow string, monitor tubing string and injection string three casing strings, by the independently working of three casing strings, to realize real-time monitoring and the control for downhole oil liquid temp.Introduce a kind of conventional injection and extraction system at present below.
Fig. 1 is the overview of current conventional a kind of injection and extraction system.As shown in Figure 1, described injection and extraction system is provided with injection string 100, monitoring tubing string 200 and flow string 300 3 cover tubing string independent of each other in producing well 400, in Injection Well 900, is provided with gas injection tube column.Described injection and extraction system has straight well section a and net horizontal section b downwards along producing well 400 well heads, and described net horizontal section b adopts screen casing, and fluid arrives in producing well 400 by the hole of screen casing.Wherein, described injection string 100 and monitoring tubing string 200 are lowered into net horizontal section b, and described flow string 300 is only lowered into straight well section a.Wherein: injection string 100 comprises instlated tubular 1, screen casing 12 and the starting taper 13 of order serial connection, monitoring tubing string 200 comprises monitoring pipe 2, screen casing 10 and the starting taper 13 of order serial connection.In described monitoring pipe 2, adopt integral joint tubing, and, multiple temperature/pressure sensors in monitoring pipe 2, be also provided with; The inherent straight well section of integral joint tubing a is provided with at least one temperature and pressure monitoring device 3, is provided with at least one temperature and pressure monitoring device at net horizontal section b.Described temperature and pressure monitoring device comprises for the thermocouple 11 of thermometric with for the capillary tube 9 of pressure measurement, and the thermocouple 11 of the temperature and pressure monitoring device of net horizontal section and capillary tube 9 are uniformly distributed in the monitoring tubing string 200 of net horizontal section b.Thermocouple in temperature and pressure monitoring device 3 and capillary tube are located at same position place and all under gas prevention pump 5.Flow string 300 comprises hollow stem 4, gas prevention pump 5, gas anchor 6, screen casing 7 and the starting taper 8 of order serial connection.Described gas injection tube column comprises oil pipe 21 and the packer 14 of order serial connection, and gas injection tube column end is provided with horn mouth 15, and described Injection Well 900 boreholes wall are provided with perforated interval, and described perforated interval is arranged under horn mouth 15 for air is drained into oil reservoir.Described in the bottom hole spacing of described Injection Well 900, the vertical distance of producing well 400 horizontal segment b ends and horizontal range are all between 5-10m.
In above-mentioned prior art, described injection and extraction system is provided with monitoring tubing string 200 and injection string 100 in producing well net horizontal section, and conventional injection string 100 diameters are that 73 millimeters, monitoring tubing string are 53 millimeters at present.Lower fashionable, be first lowered to thicker injection string 100, then be lowered to thinner monitoring tubing string 200.But, the producing well degree of depth generally all exceedes 1000 meters, under this length, thinner monitoring tubing string 200 easily bends at lower fashionable its front end, especially in the time of net horizontal section, because the power being lowered to is all vertical power down, and monitoring tubing string 200 is in level at net horizontal section, be not easy to hold at the state that stretches into of net horizontal section for monitoring tubing string 200, and after the 200 front end bendings of monitoring tubing string, along with being lowered to, the more and more monitoring of length tubing string 200 degree of crook are larger, are finally easy to be wrapped on injection string 100.In workover treatment, need to trip out in turn monitoring tubing string 200 and injection string 100, as above-mentioned net horizontal section wrapping phenomena occurs, can cause described tubing string normally to trip out.
Summary of the invention
The invention provides a kind of injection and extraction system and note mining method, so that the inner tubing string of injection and extraction system producing well in later stage workover treatment easily trips out.
In view of above-mentioned purpose, the invention provides a kind of injection and extraction system, described injection and extraction system comprises producing well, monitoring tubing string, flow string, Injection Well, injection string, gas injection tube column; It is inner and independent of one another that described monitoring tubing string and flow string are located at producing well, and described injection string and gas injection tube column are located at and inject into well; Described producing well end communicates with Injection Well shaft bottom;
Wherein, described monitoring tubing string comprises monitoring pipe, the starting taper of order serial connection, is provided with multiple temperature and pressure monitoring devices in described monitoring pipe; Described flow string comprises sucker rod, the gas and oil separating plant of order serial connection;
Described gas injection tube column is set in injection string top, and injection string comprises that the first oil pipe of order serial connection and the first packer and injection string end are provided with horn mouth; Described gas injection tube column comprises the second oil pipe and second packer of order serial connection.
The present invention also provides a kind of note mining method, applies above-mentioned injection and extraction system, and it comprises
Warm-up phase: injection string and gas injection tube column be steam injection simultaneously, meanwhile, flow string is discharged the production fluid on preheating stratum;
Fireflood initial stage: continue steam injection along described injection string, gas injection tube column stops steam injection, changes injection air, until production fluid gives rise to ground;
Fireflood takes effect the stage: gas injection tube column continues to inject air, and injection string stops steam injection, changes injected water.
By above technical scheme, the invention has the advantages that the interior tubing string quantity of described producing well becomes two covers from three covers of the prior art and is more easily lowered to, and, monitoring tubing string and injection string lay respectively in different wells, in being lowered to process, monitoring tubing string is also not easy to be wound around owing to lacking injection string, and then in later stage workover treatment, owing to lacking wrapping phenomena of the prior art, the tubing string in producing well of the present invention more easily trips out.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the overview of current conventional a kind of injection and extraction system;
Fig. 2 is the overview of a kind of injection and extraction system of the present invention.
The specific embodiment
In order to make those skilled in the art person understand better the technical scheme in the application, below in conjunction with the accompanying drawing in the embodiment of the present application, technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiment.Based on the embodiment in the application, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, should belong to the scope of protection of the invention.
Describe technical scheme of the present invention in detail below in conjunction with accompanying drawing.
Fig. 2 shows the overview of a kind of injection and extraction system of the present invention.Described injection and extraction system comprises producing well 400, monitoring tubing string 200, flow string 300, Injection Well 900, injection string 100, gas injection tube column 101; It is inner and independent of one another that described monitoring tubing string 200 and flow string 300 are located at producing well 400, and described injection string 100 and gas injection tube column 101 are located in Injection Well 900; Described producing well 400 ends communicate with Injection Well shaft bottom 900;
Wherein, described monitoring tubing string 200 comprises monitoring pipe 1, the starting taper 7 of order serial connection, is provided with multiple temperature and pressure monitoring devices in described monitoring pipe 1; Described flow string 300 comprises sucker rod 3, the gas and oil separating plant of order serial connection;
Described gas injection tube column 101 is set in injection string 100 tops, and injection string 100 comprises that the first oil pipe 10 of order serial connection and the first packer 9 and injection string 100 ends are provided with horn mouth 8; Described gas injection tube column 101 comprises the second oil pipe 12 and second packer 11 of order serial connection.
Further, described injection and extraction system has straight well section a and net horizontal section b downwards along producing well well head, and wherein, described net horizontal section b end communicates with Injection Well 900 shaft bottoms.Described monitoring tubing string 200 is lowered into net horizontal section b, and described flow string 300 is lowered into straight well section a.
In a specific embodiment, described monitoring tubing string 200 also comprises that the length being serially connected between monitoring pipe 1 and starting taper 7 is the screen casing 13 of 2 meters.Described monitoring pipe 1 can be integral joint tubing, and monitoring pipe 1 place straight well section a part is at least provided with a temperature and pressure monitoring device 2.Temperature and pressure monitoring device 2 comprises device for detecting temperature and pressure monitoring device, and device for detecting temperature adopts thermocouple, and pressure monitoring device adopts capillary tube.At least be provided with a device for detecting temperature 6 in net horizontal section b part.Device for detecting temperature 6 adopts thermocouple, and thermocouple is uniformly distributed in the monitoring pipe 1 of net horizontal section b.
Further, described monitoring pipe 1 is also at least provided with a pressure monitoring device in net horizontal section b part, and the pressure monitoring device of described net horizontal section adopts capillary tube.Described capillary tube is uniformly distributed in the monitoring pipe 1 of net horizontal section b.But the present invention is as limit, the position of thermocouple also can uneven distribution, for example wherein 1 thermocouple and wherein 1 capillary tube can be located at same position place.
In another specific embodiment, the gas and oil separating plant of described flow string comprises gas anchor 5 and is located at the gas prevention pump 4 on gas anchor top.
Below in conjunction with a specific embodiment, a kind of injection and extraction system provided by the present invention is described.
Fig. 2 shows the overview of a kind of injection and extraction system of the present invention.As shown in Figure 2, in the present embodiment, in producing well 400, be provided with monitoring tubing string 200 independent of each other and flow string 300, and the injection and extraction system that the present embodiment provides has straight well section a and net horizontal section b downwards along producing well well head, wherein, described monitoring tubing string 200 is lowered into net horizontal section b, and described flow string 300 is lowered into straight well section a.Described monitoring tubing string 200 comprises monitoring pipe 1, screen casing 13, the starting taper 7 of order serial connection.Described screen casing 13 length are 2 meters.Described monitoring pipe 1 adopts integral joint tubing, and monitoring pipe 1 place straight well section a part is provided with 1 temperature and pressure monitoring device 2, is provided with multiple temperature and pressure monitoring devices 6 in net horizontal section b part.Described temperature and pressure monitoring device comprises for the thermocouple of thermometric with for the capillary tube of pressure measurement, and, the temperature and pressure monitoring device 6 of net horizontal section b comprises 3 capillary tubies and 4 thermocouples, and the thermocouple of the temperature and pressure monitoring device 6 of net horizontal section b and capillary tube are uniformly distributed in the monitoring pipe 1 of net horizontal section; Described temperature and pressure monitoring device 2 comprises 1 capillary tube and 1 thermocouple, and capillary tube and thermocouple are in same position.Described flow string 300 comprises sucker rod 3, the gas and oil separating plant of order serial connection; Described gas and oil separating plant comprises gas anchor 5 and is located at the gas prevention pump 4 on gas anchor top.Described producing well 400 net horizontal section b adopt screen casing, and oily heat can flow in net horizontal section b from the hole of screen casing, and described net horizontal section b end communicates with Injection Well 900 shaft bottoms.
In Injection Well 900, be provided with injection string 100 and gas injection tube column 101; Wherein, described gas injection tube column 101 is set in injection string 100 tops and gas injection tube column 101 inwalls do not contact mutually with injection string 100 outer walls; Described injection string 100 comprises that the first oil pipe 10 of order serial connection and the first packer 9 and injection string 100 ends are provided with horn mouth 8; Described gas injection tube column 100 comprises the second oil pipe 12 and second packer 11 of order serial connection.In Injection Well 900, be provided with perforated interval 14, perforated interval 14 is positioned under gas injection tube column 101, and the injection air forming in annular space for the second oil pipe 12 and the first oil pipe 10 enters into oil reservoir by perforated interval 14.
According to the embodiment of a kind of injection and extraction system of the invention described above, its operating principle is as follows:
Fireflood Preliminary division is three phases.First stage is the fireflood preproduction phase, and this stage is mainly by injection string 100 and gas injection tube column 101 steam injections, and preheating oil reservoir is also set up note, adopted the thermal communication between well, for after-ignition and production are prepared; Second stage is fireflood initial stage, this stage live wire leading edge does not also arrive producing well tiptoe (described producing well tiptoe refers to producing well 400 net horizontal section b and Injection Well 900 junctions, shaft bottom), dredge oil amount is less, production fluid temperature lower (minimum can be lower than crude oil inflection temperature, inflection temperature instigates thick oil viscosity obviously to reduce and the temperature condition suitable with common thin oil viscosity); Three phases is that fireflood takes effect the phase, and this stage live wire leading edge has arrived producing well tiptoe place, and dredge oil amount increases greatly, production fluid temperature higher (the highest may exceed 700 ℃).
Below introduce stage by stage the method for operating of the present embodiment:
First stage: warm-up phase; Injection string 100 and gas injection tube column 101 steam injections, in steam injection, flow string 300 is discharged the production fluid on preheating stratum in time, thereby improves stratum pre-heat effect, the temperature, pressure in monitoring tubing string 200 Real-Time Monitoring shaft bottoms, for judging whether that reaching pre-heat effect provides foundation.
Second stage is fireflood initial stage; First utilize combustion adjuvant aid lighting oil reservoir, combustion adjuvant injection phase is the perforated interval 14 of the second packer 11 bottoms; Light after oil reservoir, in the annular space of the second oil pipe 12 and the first oil pipe 10, inject air, because this stage live wire leading edge does not also arrive producing well tiptoe, simultaneously, dredge oil amount is less, production fluid temperature lower (minimum can lower than crude oil inflection temperature), this stage first oil pipe 10 need to inject the auxiliary companion's heat of a certain amount of steam, monitoring tubing string 200 Real-Time Monitoring production fluid temperature, the injection rate that guarantees steam enough makes production fluid efficiently give rise to ground, flow string 300 is discharged production fluid in time, does not affect the effect of fireflood displacement.
Three phases is that fireflood takes effect the phase; This stage live wire leading edge has arrived producing well tiptoe place, dredge oil amount increases greatly, production fluid temperature higher (the highest may exceed 700 ℃), this stage first oil pipe 10 need to inject the lifting of a certain amount of water auxiliary temperature-reducing, due to production fluid temperature higher (the highest may exceed 700 ℃), may exceed the resistance to extreme temperature of tubing string, now, injection string 100 injected waters, to reduce the temperature of production fluid, i.e. water mixing cooling; Monitoring tubing string 200 Real-Time Monitoring production fluid temperature, guarantee that the injection rate of water enough makes production fluid temperature drop in safe range.
By above description, in the described producing well of the present embodiment, tubing string quantity becomes two covers from three covers of the prior art, and, monitoring tubing string 200 and injection string 100 lay respectively in different wells, in being lowered to process, monitoring tubing string 200 is also not easy to occur be wound around and be easily lowered to owing to lacking injection string 100, and, in later stage workover treatment, because the tubing string lacking in above-mentioned wrapping phenomena producing well of the present invention more easily trips out.
, flow in pipes 100 is located in Injection Well 900, in the time of warm-up phase, the direction that steam enters into producing well 400 by injection string 100 is towards producing well 400 directions meanwhile, and steam just pre-thermal efficiency in producing well 400 is faster like this.And injection string 100 of the prior art towards being towards Injection Well direction, by injection string 100, the direction out time just deviates from producing well to steam like this, the pre-thermal efficiency is not high.
Same, take effect the stage in fireflood, the direction that water enters into producing well 400 by injection string 100 is towards producing well 400 directions, institute's injected water distributes effect just better in producing well 400 like this, also significant effective more of the cooling-down effect playing.
The present invention also provides a kind of note mining method, applies injection and extraction system as above, and the method comprises:
Warm-up phase: injection string 100 and gas injection tube column 101 steam injection simultaneously, meanwhile, flow string 300 is discharged the production fluid on preheating stratum;
The fireflood stage: continue steam injection along described injection string 100, gas injection tube column 101 stops steam injection, changes injection air, and production fluid is given rise to ground by flow string 300.
Note mining method described above also comprises that fireflood takes effect the stage after industry is given rise to ground by flow string 300, takes effect the stage in fireflood:
In the time that producing well shaft bottom production fluid temperature exceedes 300 degrees Celsius, gas injection tube column 101 continues to inject air, and injection string 100 stops steam injection, changes injected water;
When producing well shaft bottom production fluid temperature is lower than 300 degrees Celsius, and producing well well head production fluid temperature is during lower than crude oil inflection temperature, heats up along injection string 100 to down-hole steam injection, and sets steam injection speed according to production fluid amount, improves gas injection tube column 101 gas injection rates simultaneously.
More than show and described basic principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and manual, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the scope of protection of present invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (9)
1. an injection and extraction system, is characterized in that, comprising: producing well, monitoring tubing string, flow string, Injection Well, injection string, gas injection tube column; It is inner and independent of one another that described monitoring tubing string and flow string are located at producing well, and described injection string and gas injection tube column are located at and inject into well; Described producing well end communicates with Injection Well shaft bottom;
Wherein, described monitoring tubing string comprises monitoring pipe, the starting taper of order serial connection, is provided with at least one temperature and pressure monitoring device in described monitoring pipe; Described flow string comprises sucker rod, the gas and oil separating plant of order serial connection;
Described gas injection tube column is set in injection string top, and injection string comprises the first oil pipe and first packer of order serial connection, and injection string end is provided with horn mouth; Described gas injection tube column comprises the second oil pipe and second packer of order serial connection.
2. a kind of injection and extraction system as claimed in claim 1, is characterized in that, described injection and extraction system has straight well section and net horizontal section downwards along producing well well head, and wherein, described net horizontal section end communicates with Injection Well shaft bottom; Described monitoring tubing string is lowered into net horizontal section, and described flow string is lowered into straight well section.
3. a kind of injection and extraction system as claimed in claim 2, is characterized in that, described monitoring tubing string also comprises the screen casing being serially connected between monitoring pipe and starting taper.
4. a kind of injection and extraction system as claimed in claim 2, is characterized in that, described monitoring pipe is integral joint tubing, and described temperature and pressure monitoring device is located at monitoring pipe straight well section part, is also at least provided with a device for detecting temperature in net horizontal section part.
5. a kind of injection and extraction system as claimed in claim 4, is characterized in that, described device for detecting temperature is uniformly distributed in the monitoring pipe of net horizontal section.
6. a kind of injection and extraction system as described in claim 1～5 any one, is characterized in that, the gas and oil separating plant of described flow string comprises gas anchor and is located at the gas prevention pump on gas anchor top.
7. a kind of injection and extraction system as claimed in claim 4, is characterized in that, described monitoring pipe is also provided with pressure monitoring device at net horizontal section.
8. a note mining method, applies a kind of injection and extraction system as claimed in claim 1, it is characterized in that, comprising:
Warm-up phase: injection string and gas injection tube column be steam injection simultaneously, meanwhile, flow string is discharged the production fluid on preheating stratum;
The fireflood stage: continue steam injection along described injection string, gas injection tube column stops steam injection, changes injection air, and production fluid is given rise to ground by flow string.
9. a kind of note mining method as claimed in claim 8, is characterized in that, also comprises that fireflood takes effect the stage after the fireflood stage, takes effect the stage in fireflood:
In the time that producing well shaft bottom production fluid temperature exceedes 300 degrees Celsius, gas injection tube column continues to inject air, and injection string stops steam injection, changes injected water;
When producing well shaft bottom production fluid temperature is lower than 300 degrees Celsius, and producing well well head production fluid temperature is during lower than crude oil inflection temperature, heats up along injection string to down-hole steam injection, and sets steam injection speed according to production fluid amount, improves gas injection tube column gas injection rate simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410052124.4A CN103867172B (en) | 2014-02-14 | 2014-02-14 | Injection-production system and injection-production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410052124.4A CN103867172B (en) | 2014-02-14 | 2014-02-14 | Injection-production system and injection-production method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103867172A true CN103867172A (en) | 2014-06-18 |
| CN103867172B CN103867172B (en) | 2017-01-11 |
Family
ID=50906136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410052124.4A Active CN103867172B (en) | 2014-02-14 | 2014-02-14 | Injection-production system and injection-production method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103867172B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314532A (en) * | 2014-10-20 | 2015-01-28 | 中国石油天然气股份有限公司 | Mining method for heavy oil reservoir and well network thereof |
| CN104453818A (en) * | 2014-11-06 | 2015-03-25 | 中国石油天然气股份有限公司 | Combustion stimulation well injection and extraction integrated tubular column and ignition method of combustion stimulation well injection and extraction integrated tube |
| CN107514250A (en) * | 2016-06-15 | 2017-12-26 | 中国石油化工股份有限公司 | A kind of method for SAGD |
| CN108079347A (en) * | 2018-02-16 | 2018-05-29 | 宋永秀 | A kind of medical instruments chlorination equipment |
| CN109443724A (en) * | 2018-11-23 | 2019-03-08 | 中国石油天然气股份有限公司 | The vibration characteristics determining device and method of the injection-production column jacket of gas storage |
| CN112240193A (en) * | 2020-11-17 | 2021-01-19 | 东北石油大学 | Multistage oil-water separation and same-well injection-production device in horizontal shaft |
| CN112302533A (en) * | 2020-11-18 | 2021-02-02 | 青海凹口凸钾镁盐技术有限公司 | Construction method of gas injection hole |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837575A (en) * | 2006-02-24 | 2006-09-27 | 尤尼斯油气技术（中国）有限公司 | Processing technology for extracting oil from metamorphic rock high pour point oil of burial hill by using combustion drive in horizontal well |
| CN101122227A (en) * | 2007-09-30 | 2008-02-13 | 辽河石油勘探局 | Fire flooding oil extraction crude oil combustion-assistant ignition process |
| US8215164B1 (en) * | 2012-01-02 | 2012-07-10 | HydroConfidence Inc. | Systems and methods for monitoring groundwater, rock, and casing for production flow and leakage of hydrocarbon fluids |
| US20120273190A1 (en) * | 2010-12-21 | 2012-11-01 | Chevron U.S.A. Inc. | Electrokinetic enhanced hydrocarbon recovery from oil shale |
| CN203394444U (en) * | 2013-05-29 | 2014-01-15 | 中国石油天然气股份有限公司 | Fireflood-assisted gravity drainage injection and production technology system |
| CN203808959U (en) * | 2014-02-14 | 2014-09-03 | 中国石油天然气股份有限公司 | Injection-production system |
-
2014
- 2014-02-14 CN CN201410052124.4A patent/CN103867172B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837575A (en) * | 2006-02-24 | 2006-09-27 | 尤尼斯油气技术（中国）有限公司 | Processing technology for extracting oil from metamorphic rock high pour point oil of burial hill by using combustion drive in horizontal well |
| CN101122227A (en) * | 2007-09-30 | 2008-02-13 | 辽河石油勘探局 | Fire flooding oil extraction crude oil combustion-assistant ignition process |
| US20120273190A1 (en) * | 2010-12-21 | 2012-11-01 | Chevron U.S.A. Inc. | Electrokinetic enhanced hydrocarbon recovery from oil shale |
| US8215164B1 (en) * | 2012-01-02 | 2012-07-10 | HydroConfidence Inc. | Systems and methods for monitoring groundwater, rock, and casing for production flow and leakage of hydrocarbon fluids |
| CN203394444U (en) * | 2013-05-29 | 2014-01-15 | 中国石油天然气股份有限公司 | Fireflood-assisted gravity drainage injection and production technology system |
| CN203808959U (en) * | 2014-02-14 | 2014-09-03 | 中国石油天然气股份有限公司 | Injection-production system |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104314532A (en) * | 2014-10-20 | 2015-01-28 | 中国石油天然气股份有限公司 | Mining method for heavy oil reservoir and well network thereof |
| CN104453818A (en) * | 2014-11-06 | 2015-03-25 | 中国石油天然气股份有限公司 | Combustion stimulation well injection and extraction integrated tubular column and ignition method of combustion stimulation well injection and extraction integrated tube |
| CN104453818B (en) * | 2014-11-06 | 2018-01-02 | 中国石油天然气股份有限公司 | A kind of combustion soaking well note adopts integrated pipe column and its ignition method |
| CN107514250A (en) * | 2016-06-15 | 2017-12-26 | 中国石油化工股份有限公司 | A kind of method for SAGD |
| CN107514250B (en) * | 2016-06-15 | 2019-07-30 | 中国石油化工股份有限公司 | A method of for steam assisted gravity drainage |
| CN108079347A (en) * | 2018-02-16 | 2018-05-29 | 宋永秀 | A kind of medical instruments chlorination equipment |
| CN108079347B (en) * | 2018-02-16 | 2020-07-17 | 湖南九弘医疗科技有限公司 | Medical instrument degassing unit |
| CN109443724A (en) * | 2018-11-23 | 2019-03-08 | 中国石油天然气股份有限公司 | The vibration characteristics determining device and method of the injection-production column jacket of gas storage |
| CN109443724B (en) * | 2018-11-23 | 2023-11-28 | 中国石油天然气股份有限公司 | Device and method for determining vibration characteristics of injection and production pipe column of gas storage |
| CN112240193A (en) * | 2020-11-17 | 2021-01-19 | 东北石油大学 | Multistage oil-water separation and same-well injection-production device in horizontal shaft |
| CN112302533A (en) * | 2020-11-18 | 2021-02-02 | 青海凹口凸钾镁盐技术有限公司 | Construction method of gas injection hole |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103867172B (en) | 2017-01-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103867172B (en) | Injection-production system and injection-production method | |
| CN102900415B (en) | Method for mining deep and ultra-deep thick oil pools by using double horizontal well fire flooding drainage | |
| CN102747997B (en) | Fire-flooding exploitation method used in later period of steam assisted gravity drainage (SAGD) of heavy oil reservoir | |
| US6039121A (en) | Enhanced lift method and apparatus for the production of hydrocarbons | |
| US9027637B2 (en) | Flow control screen assembly having an adjustable inflow control device | |
| CN104963669B (en) | Thick oil thermal recovery method and its well pattern | |
| CN105358792A (en) | Method for producing oil from induced fractures using a single wellbore and multiple-channel tubing | |
| CN203808959U (en) | Injection-production system | |
| US3358759A (en) | Steam drive in an oil-bearing stratum adjacent a gas zone | |
| CN103277077B (en) | Based on fireflood assisted gravity drainage injection and extraction system and the note mining method of intelligent temperature control | |
| RU2334867C1 (en) | Method of simultaneous-separate operation of several payout beds and installation of well for implementation of this method | |
| CN108252685A (en) | A kind of extension gas lift method of permanent type completion tubular column | |
| CN104514535A (en) | Thermal oil production pipe column for injection-production in the same well for vertical well and oil production method thereof | |
| CN203394444U (en) | Fireflood-assisted gravity drainage injection and production technology system | |
| CN106014357A (en) | Oil gas slice mining method through in-situ heat injection in oil shale thick ore bed | |
| CN109356560A (en) | In-situ retorting method and in-situ retorting well pattern | |
| CN104481484A (en) | Horizontal well segmented intermittent steam huff and puff injection-production integrated pipe column | |
| CN102213089A (en) | Method and system for extracting oil from shallow heavy oil reservoir | |
| RU2296213C2 (en) | Packer pumping plant for well formations operation | |
| CN103334734A (en) | Transformation method of interlayer in SAGD (Steam Assisted Gravity Drainage) well | |
| RU2456441C1 (en) | Production method of high-viscous oil by means of simultaneous pumping of steam and extraction of liquid from single horizontal well | |
| US9353611B2 (en) | Method and apparatus for the downhole injection of superheated steam | |
| RU2598948C1 (en) | Landing for dual production and injection | |
| RU2619605C1 (en) | Method for optical fiber cable delivery to horizontal wellbore | |
| CN203394488U (en) | Fireflood-assisted gravity drainage injection and production system based on intelligent temperature control |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |