CN205532540U - Steam injection tubular is used in oil reservoir exploitation - Google Patents
Steam injection tubular is used in oil reservoir exploitation Download PDFInfo
- Publication number
- CN205532540U CN205532540U CN201620231725.6U CN201620231725U CN205532540U CN 205532540 U CN205532540 U CN 205532540U CN 201620231725 U CN201620231725 U CN 201620231725U CN 205532540 U CN205532540 U CN 205532540U
- Authority
- CN
- China
- Prior art keywords
- steam injection
- section
- oil reservoir
- pipe
- injection pipe
- 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.)
- Active
Links
Landscapes
- Pipeline Systems (AREA)
Abstract
The utility model discloses a steam injection tubular is used in oil reservoir exploitation. This steam injection tubular post material and size of each section in through a plurality of section of adjustment, and then the heat loss of guaranteeing in a plurality of section each section equals. The steam injection tubular who generates according to the material of trying to achieve and size carries out the oil reservoir heating, and then can guarantee that each section steam injection tubular to the even heating of oil reservoir, has improved steam injection tubular's notes vapour effect, has reduced vapour and has scurried the phenomenon, and then improved oil recovery efficiency.
Description
Technical field
This utility model relates to oil field DP technology, particularly relates to a kind of oil reservoir exploitation steam injection pipe.
Background technology
SAGD (Steam Assisted Gravity Drainage, SAGD) be one super thick
Oil oil reservoir development technology.This technology be by steam above the horizontal production well being positioned at oil reservoir near-bottom one
Mouth straight well or water horizontal well inject in oil reservoir, thus heat oil reservoir, heated crude oil and steam
Output condensed fluid horizontal well bottom oil reservoir.This technology has high oil recovery ability, high gas oil ratio, Gao Cai
Yield and the advantage of low inter-well interference, and this technology can be prevented effectively to produce too early and alter logical problem between well.
At present, SAGD is utilized in injecting in steam injection pipe the mode of steam and heats oil reservoir, then,
Since it is desired that the oil reservoir area of heating is the biggest, so the horizontal steam injection section of steam injection pipe is the most long.
Steam can occur heat waste when moving along steam injection pipe flow, if the design parameter of steam injection pipe is unreasonable, then be easy to
The heat waste causing each section of steam injection pipe is different, and heat waste difference can cause each region of oil reservoir to heat uneven.For
The region of over-heating, steam can initially pass through oil reservoir, and directly and producing well sets up the longitudinal layer position of thermal communication, enters
And occur vapour to alter.
For the problems referred to above, effective solution is the most not yet proposed.
Utility model content
For the problems referred to above, the purpose of this utility model is to provide a kind of oil reservoir exploitation steam injection pipe.This pipe
Post can develop super-heavy oil deposit.
To achieve these goals, a kind of oil reservoir exploitation steam injection pipe that this utility model provides, including: hang down
Straight section, horizontal segment and connect the changeover portion of described vertical section and horizontal segment, wherein, described horizontal segment includes
Multiple steam injection sections, each steam injection section of the plurality of steam injection section is provided with one or more steam injection hole, described
In multiple steam injection sections, the heat loss of each steam injection section is equal.
Further, described oil reservoir recovery method steam injection pipe is arranged on the above and or below of oil reservoir.
Further, in described horizontal segment a length of the 9～11m of steam injection section.
Further, in described horizontal segment, the quantity of steam injection section is 3 or 4.
Further, a length of 800mm or 1000mm of described steam injection section, described steam injection section a diameter of
73mm。
Further, the aperture of described steam injection section is 4mm.
Further, described steam injection section includes that steam injection inner tube and steam injection outer tube, described steam injection outer tube sleeve are located at note
In vapour inner tube.
Further, it is provided with vacuum heat-insulating layer or thermal insulating material between described steam injection inner tube and described steam injection outer tube
Material.
Further, described insulation material can be insulation asbestos or polyester form.
Further, described steam injection inner tube and steam injection outer tube can be cast iron pipe or stainless steel tube.
A kind of oil reservoir exploitation steam injection pipe of the present utility model, by adjusting the material of this each section of steam injection section of steam injection pipe
Matter and length so that the heat waste value of each section of steam injection section on this steam injection pipe horizontal segment is identical, and then can guarantee that each
The uniform heating to oil reservoir of the section steam injection pipe.When using this steam injection pipe that oil reservoir is heated, note can be improve
The steam injection efficiency of steam pipe, decreases vapour and alters phenomenon, improve oil recovery efficiency.
Accompanying drawing explanation
Fig. 1 is the arrangement figure in well of the oil reservoir exploitation steam injection pipe in the present embodiment；
Fig. 2 is the radial direction thermal resistance schematic diagram of the oil reservoir exploitation steam injection pipe in the present embodiment；
The flow chart of the oil reservoir recovery method that Fig. 3 provides for the present embodiment.
The figures above illustrates: 1, producing well；2, steam injection well；3, steam injection pipe；31, vertical section；32, water
Flat section；321, steam injection section；4, steam injection hole；5, sleeve pipe；6, oil reservoir.
Detailed description of the invention
In prior art, the conventional hole pattern for SAGD horizontal well mainly divides straight flat combination and double levels
Well group closes, and i.e. notes at oil reservoir top layout straight well. and vapour well, horizontal well or uniform at top and bottom is arranged in bottom
Put horizontal well.For in the operation process of actual SAGD horizontal well, divide two the most in chronological order
Stage: the first stage is circulation warm-up phase, i.e. heats oil reservoir top crude oil.Note in steam injection well
Steam pipe small displacement injects steam, uniformly heats oil reservoir, makes the crude oil on oil reservoir top have certain fluidity.The
Two-stage is the steam injection gravity drainage stage, i.e. to oil extraction bottom oil reservoir, owing to following unified longitudinal region
After the ring preheated one-section time, thermal communication set up by steam injection well and producing well, is affected by gravity the crude oil with mobility
Can enter the producing well bottom oil reservoir from the steam injection well stream at oil reservoir top.
In order to prevent oil reservoir generation vapour from altering, propose a kind of oil reservoir exploitation steam injection pipe in this example, such as Fig. 1
Shown in, this steam injection pipe includes vertical section 31, horizontal segment 32 and connects vertical section and the changeover portion of horizontal segment,
Wherein, described horizontal segment 32 includes multiple steam injection section 321, each steam injection section of the plurality of steam injection section 321
One or more steam injection hole 4 it is provided with, the heat of each steam injection section 321 in the plurality of steam injection section 321 on 321
Lose equal.Vertical section 31 starts to downwardly extend from well head and is connected with changeover portion.
The horizontal segment 32 of the steam injection pipe 3 in Fig. 1 can include multistage steam injection section 321, and multistage steam injection section 321
It is arranged in order.Can be provided with in the horizontal direction in steam injection section 321 and multiple join steam vent.Steam injection pipe 3 is by note
Steam vent 4 injects steam into and carrys out heating in crude oil in oil reservoir.Heated crude oil under gravity, downwards
Enter producing well 1.Relatively big in view of the oil reservoir area needing heating, so the horizontal segment 32 1 of steam injection pipe 3
As arrange long, steam can occur heat waste when flowing along steam injection pipe 3, if the footpath thermotropism of steam injection pipe 3
Resistance parameter is unreasonable, easily causes the uneven of each section of horizontal well heating, and then causes each region of oil reservoir
Heating uneven, the steam in over-heating region first passes through oil reservoir, and directly and producing well 1 sets up thermal communication
Longitudinal layer position, and then occur vapour to alter, by arranging each steam injection section 321 in multiple steam injection section 321 in this example
Heat loss equal, effectively prevent the generation of the problems referred to above.
By adjusting material and the length of this each section of steam injection section of steam injection pipe so that each on this steam injection pipe horizontal segment
The heat waste value of section steam injection section is identical, and then can guarantee that the uniform heating to oil reservoir of each section of steam injection pipe；Improve note
The steam injection efficiency of steam pipe, decreases vapour and alters phenomenon, improve oil recovery efficiency
Concrete, oil reservoir recovery method is can be SAGD dual horizontal well technology.SAGD dual horizontal well bag
Include producing well 1 and steam injection well 2.Producing well 1 is the main well section of oil producing operation, and steam injection well 2 includes straight well
Section and son field, the steam injection pipe 3 of above-mentioned oil reservoir recovery method is arranged on the straight well section of steam injection well 2 and divides
Prop up in section.Wherein, straight well section and son field can be provided with sleeve pipe 5, the sleeve pipe 5 that straight well section is arranged
Upper end be connected with the well head of oil well, the diameter of the sleeve pipe 5 of straight well section more than the diameter of sleeve pipe 5 of son field,
This tubing string being primarily due to the setting of straight well section is more than son field.Concrete, permissible between sleeve pipe 5 and the borehole wall
By filling mixed earth, sleeve pipe 5 fixed cover is located in oil well.
Above-mentioned oil reservoir exploitation steam injection pipe 3 can be arranged in the sleeve pipe 5 of steam injection well 2, concrete, should
Steam injection pipe 3 can include the vertical section 31 being arranged on straight well section, be arranged on son field horizontal segment 32 and
Connect vertical section 31 and the changeover portion of horizontal segment 32.The length of horizontal segment 32 can concrete big according to oil reservoir
Little determine.Preferably, the horizontal segment 32 of steam injection pipe 3 can be corresponding with the horizontal length of oil reservoir.Transition
Section can be arranged directly on the lower end of vertical section 31, and the other end of changeover portion is connected with horizontal segment 32.
Wherein, horizontal segment 32 includes multiple steam injection section 321, each steam injection section 321 of multiple steam injection sections 321
On can be provided with the heat of each steam injection section 321 in one or more steam injection hole 4, and multiple steam injection section 321
Lose equal.Concrete, in steam injection section 321, the influence factor of the heat loss of each steam injection section 321 is steam injection
Radial direction thermal resistance value R of section 321 tubing stringsm, radially thermal resistance value RmThe biggest, heat loss Q of steam injection section 321 is more
Greatly.Heat loss Q is the biggest, indicates that the steam of this section is the most to the heat of external diffusion, and then adds oil reservoir
Calorific intensity is the biggest.
Concrete, radially thermal resistance value RmCan be expressed as:
Rm=Rm1+Rm2+Rm3+Rm4+Rm5+Rm6+Rm7+Rm8
Wherein, m represents the label of steam injection section 321, Rm1Represent the thermal convection current between steam and steam injection inside pipe wall
Thermal resistance value, Rm2Represent the thermally conductive heat resistance between inwall and the outer wall of steam injection pipe, Rm3Represent thermal insulation layer
Thermally conductive heat resistance, Rm4Represent the thermally conductive heat resistance of instlated tubular tube wall, Rm5Represent annular space thermal convection current thermal resistance
Value, Rm6Represent the thermally conductive heat resistance of casing wall, Rm7Represent the thermally conductive heat resistance of cement sheath, Rm8Represent
The thermally conductive heat resistance of oil reservoir.Wherein, Rm1、Rm2、Rm3、Rm4Thermal resistance for steam injection pipe 3 steam injection section 321.
It is illustrated in figure 2 the schematic diagram of above-mentioned each resistance.
By adjusting radial direction entire thermal resistance R of each steam injection section 321 of steam injection pipe 3m, so that every section of steam injection
The radial direction steam heat loss of section 321 is identical, thus it is identical to ensure that every section of steam injection section 321 adds heat to oil reservoir.
In the present embodiment, oil reservoir recovery method steam injection pipe 3 is arranged on the above and or below of oil reservoir, root
According to what the structure of steam injection amount He actual oil reservoir determined steam injection pipe 3, position and quantity are set.
In the present embodiment, in horizontal segment 32, the quantity of steam injection section 321 can be 3 or 4, each note
The direction that vapour section 321 can be threaded connection is connected.The length of each section of steam injection pipe 3 can be typically
9～11m.
In one preferred embodiment, a length of 800mm or 1000mm of steam injection section, steam injection section
A diameter of 73mm.Present embodiment not length and size to steam injection section makees concrete restriction, steam injection section
Length and size can require to determine according to actual use.
Preferably, the aperture of steam injection section is 4mm.
Another preferred embodiment in, steam injection section includes steam injection inner tube and steam injection outer tube, steam injection outer tube
It is set in steam injection inner tube.
Preferably, vacuum heat-insulating layer or insulation material it are provided with between steam injection inner tube and steam injection outer tube.Further
, insulation material can be insulation asbestos or polyester form.
In one preferred embodiment, steam injection inner tube and steam injection outer tube can be cast iron pipe or stainless steel tube.
Based on the oil reservoir exploitation steam injection pipe 3 shown in Fig. 1, additionally provide a kind of oil reservoir exploitation side in this example
Method, as it is shown on figure 3, may comprise steps of:
Step S301: determine in the horizontal segment 32 of steam injection pipe 3 each steam injection section 321 in multiple steam injection sections 321
Length；
Step S302: in the case of the heat loss of each section is equal in ensureing multiple sections, determine in multiple sections
The material of each section and size, wherein, the radial direction entire thermal resistance of the length of each section and each section determines multiple sections
In the radial direction heat loss of each section, the radial direction entire thermal resistance of each section is determined by material and the size of each section；
Step S303: generate note according to material and the size of each section in multiple sections determined. steam pipe；
Step S304: steam injection well 2 place oil reservoir is heated by steam injection pipe 3.
That is, using equal material and the size determining each section as principle of the heat loss of each section, thus note is generated
Steam pipe, carries out oil reservoir heating based on this steam injection pipe, it is possible to effectively prevent from occurring vapour to alter in oil reservoir.
Wherein, horizontal segment 32 includes multiple steam injection section 321, each steam injection section 321 of multiple steam injection sections 321
On can be provided with the heat of each steam injection section 321 in one or more steam injection hole 4, and multiple steam injection section 321
Lose equal.Concrete, in steam injection section 321, the influence factor of the heat loss of each steam injection section 321 is steam injection
Radial direction thermal resistance value R of section 321 tubing stringsm, radially thermal resistance value RmThe biggest, heat loss Q of steam injection section 321 is more
Greatly.Heat loss Q is the biggest, indicates that the steam of this section is the most to the heat of external diffusion, and then adds oil reservoir
Calorific intensity is the biggest.
Concrete, radially thermal resistance value RmCan be expressed as:
Rm=Rm1+Rm2+Rm3+Rm4+Rm5+Rm6+Rm7+Rm8
Wherein, m represents the label of steam injection section 321, Rm1Represent the thermal convection current between steam and steam injection inside pipe wall
Thermal resistance value, Rm2Represent the thermally conductive heat resistance between inwall and the outer wall of steam injection pipe, Rm3Represent thermal insulation layer
Thermally conductive heat resistance, Rm4Represent the thermally conductive heat resistance of instlated tubular tube wall, Rm5Represent annular space thermal convection current thermal resistance
Value, Rm6Represent the thermally conductive heat resistance of casing wall, Rm7Represent the thermally conductive heat resistance of cement sheath, Rm8Represent
The thermally conductive heat resistance of oil reservoir.Wherein, Rm1、Rm2、Rm3、Rm4Thermal resistance for steam injection pipe 3 steam injection section 321.
It is illustrated in figure 2 the schematic diagram of above-mentioned each resistance.
By adjusting radial direction entire thermal resistance R of each steam injection section 321 of steam injection pipe 3m, so that every section of steam injection
The radial direction steam heat loss of section 321 is identical, thus it is identical to ensure that every section of steam injection section 321 adds heat to oil reservoir.
In the present embodiment, oil reservoir recovery method steam injection pipe 3 is arranged on the above and or below of oil reservoir, root
According to what the structure of steam injection amount He actual oil reservoir determined steam injection pipe 3, position and quantity are set.
In the present embodiment, in horizontal segment 32, the quantity of steam injection section 321 can be 3 or 4, each note
The direction that vapour section 321 can be threaded connection is connected.The length of each section of steam injection pipe 3 can be typically
9～11m.
Based on the oil reservoir exploitation steam injection pipe 3 shown in Fig. 1, additionally provide a kind of oil reservoir recovery method in this example,
As it is shown on figure 3, may comprise steps of:
Step S301: determine in the horizontal segment 32 of steam injection pipe 3 each steam injection section 321 in multiple steam injection sections 321
Length；
Step S302: in the case of the heat loss of each section is equal in ensureing the plurality of section, determines described
The material of each section and size in multiple sections, wherein, the length of each section described and the radial direction total heat of each section
The radial direction heat loss of each section in the plurality of section of resistance decision, the radial direction entire thermal resistance of each section described is by each section
Material and size determine；
Step S303: generate described steam injection pipe according to material and the size of each section in the plurality of section determined；
Step S304: steam injection well 2 place oil reservoir is heated by described steam injection pipe 3.
That is, using equal material and the size determining each section as principle of the heat loss of each section, thus steam injection is generated
Pipe, carries out oil reservoir heating based on this steam injection pipe, it is possible to effectively prevent from occurring vapour to alter in oil reservoir.
Assume that the horizontal segment 32 of above-mentioned steam injection pipe 3 has m steam injection section 321, radially steam heat loss QmTable
Show be steam when moving in steam injection pipe 3 to the heat of external diffusion.If the radial direction steam of every section of steam injection pipe
Heat loss is identical, then mean that every section of steam injection pipe is identical to the heat of external diffusion, and then represent every section of steam injection pipe
It is identical that oil reservoir adds heat.
The pit shaft unit radial steam heat loss Q of heating periodmCan be expressed as:
Wherein, RmRepresenting the entire thermal resistance of pit shaft unit radial, unit is (m k)/w；dLmRepresent steam injection pipe
Length on 3 units are axial, unit is m；TsRepresenting the temperature of saturated vapor in pit shaft, unit is DEG C.
Q is lost at above-mentioned calculating steam heatmFormula in, TeRepresent formation temperature after circulation preheating, be one
Steady state value.Saturated vapor mean temperature TsCan try to achieve according to below equation:
Ts=195.94P0.225-17.8
Wherein, pressure P can try to achieve according to following Beggs-Bill algorithm:
Wherein, P is vapour pressure, and unit is Pa；L represents the distance of axially flowing, and unit is m；ρlFor liquid
Phase density, unit is kg/m3；ρgFor density of gas phase, unit is kg/m3；HlFor liquid holdup, unit is
m3/m3；G is acceleration of gravity, and unit is m/s2；θ is the angle of pipeline and horizontal direction；λ is two phase flow
Dynamic frictional resistant coefficient；G is the mass flow of mixture, and unit is kg/s；V is the flow velocity of mixture,
Unit is m/s；vsgFor the specific speed of gas phase, unit is m/s；D is pipe diameter, and unit is m；Ap
Amassing for pipeline section, unit is m2。
Therefore, above-mentioned pressure P is also a steady state value.
Above-mentioned RmCan be tried to achieve by below equation:
Rm=Rm1+Rm2+Rm3+Rm4+Rm5+Rm6+Rm7+Rm8
Wherein, Rm1Represent the thermal convection current thermal resistance value between steam and steam injection inside pipe wall, Rm2Represent the interior of steam injection pipe
Thermally conductive heat resistance between wall and outer wall, Rm3Represent the thermally conductive heat resistance of thermal insulation layer, Rm4Represent heat insulation
The thermally conductive heat resistance of tube wall, Rm5Represent annular space thermal convection current thermal resistance value, Rm6Represent the conduction of heat of casing wall
Thermal resistance value, Rm7Represent the thermally conductive heat resistance of cement sheath, Rm8Represent the thermally conductive heat resistance of oil reservoir, unit
It is (m k)/w.
Therefore, just can be in the hope of dL any in pit shaft according to above several formulamHeat loss in length.
So that the Q of each sectionmEqual, because of TeAnd TsIt is constant, then be accomplished by so that dLm/RmTo each section
For be all equal.
In a specific embodiment, before determining the radial direction entire thermal resistance parameter of steam injection pipe 3, such as Fig. 3
Shown in, can first take length dL on two sections of steam injection pipe 3 unit axles1、dL2。dL1、dL2Can be adjacent two
Segment distance, it is also possible to be non-conterminous two sections.In order to determine a more accurate RmParameter, dL1、dL2's
Value can take a bit of steam injection pipe 3 as far as possible.In order to make two sections of mean allocation heats, only need its correspondence another
Qm1=Qm2, because of TeAnd TsIt is constant, therefore it may only be necessary to adjust corresponding dL1And dL2The radial direction of section is total
Thermal resistance R, for same level section 32, R4To R8For the value outside steam injection pipe 3, it is the most identical, only needs
Adjust material and the size, i.e. adjustable R1 to R4 of steam injection oil pipe, and then make Qm1=Qm2。
Qm1=Qm2Mean that the radial direction steam heat loss of two the most selected distances of steam injection pipe 3 is identical,
Can ensure that oil reservoir is being added by steam injection pipe 3 by ensureing that the radial direction steam heat loss of two selected segment distances is identical
During heat, it is identical that segment distance every to oil reservoir adds heat.
As can be seen from the above description, the present embodiment achieves following technique effect: provide a kind of oil
Hide exploitation steam injection pipe 3 and a kind of oil reservoir recovery method, by adjusting 3 each sections of steam injection sections 321 of this steam injection pipe
Material and length so that each section of steam injection section 321 on the horizontal segment 32 of this steam injection pipe 3 heat waste value identical,
And then can guarantee that the uniform heating to oil reservoir of each section of steam injection pipe 3；Improve the steam injection efficiency of steam injection pipe 3, subtract
Lack vapour and altered phenomenon, improve oil recovery efficiency.
It should be understood that above description is to illustrate rather than to limit.By reading
Foregoing description, the many embodiments outside the example provided and many application are to those skilled in the art
For all will be apparent from.Therefore, the scope of this teaching should not determine with reference to foregoing description, and
It is to come really with reference to the four corner of the equivalent that claims and these claim are had
Fixed.Include that the disclosure of patent application and bulletin all passes through reference for comprehensive purpose, all articles and reference
It is incorporated herein.Any aspect omitting theme disclosed herein in aforementioned claim is not intended to
Abandon this body matter, also should not be considered as inventor and this theme is not thought of as disclosed utility model
A part for theme.
Claims (10)
1. an oil reservoir exploitation steam injection pipe, it is characterised in that including: vertical section, horizontal segment and connection
Described vertical section and the changeover portion of horizontal segment, wherein, described horizontal segment includes multiple steam injection section, the plurality of
One or more steam injection hole, each steam injection in the plurality of steam injection section it is provided with in each steam injection section of steam injection section
The heat loss of section is equal.
Oil reservoir exploitation steam injection pipe the most according to claim 1, it is characterised in that described oil reservoir is exploited
Method steam injection pipe is arranged on the above and or below of oil reservoir.
Oil reservoir exploitation steam injection pipe the most according to claim 2, it is characterised in that described horizontal segment
A length of 9～11m.
Oil reservoir exploitation steam injection pipe the most according to claim 3, it is characterised in that in described horizontal segment
The quantity of steam injection section is 3 or 4.
Oil reservoir exploitation steam injection pipe the most according to claim 1, it is characterised in that described steam injection section
A length of 800mm or 1000mm, a diameter of 73mm of described steam injection section.
Oil reservoir exploitation steam injection pipe the most according to claim 1, it is characterised in that described steam injection section
Aperture is 4mm.
Oil reservoir exploitation steam injection pipe the most according to claim 1, it is characterised in that described steam injection section bag
Including steam injection inner tube and steam injection outer tube, described steam injection outer tube sleeve is located in steam injection inner tube.
Oil reservoir exploitation steam injection pipe the most according to claim 7, it is characterised in that described steam injection inner tube
And it is provided with vacuum heat-insulating layer or insulation material between described steam injection outer tube.
Oil reservoir exploitation steam injection pipe the most according to claim 8, it is characterised in that described insulation material
Can be insulation asbestos or polyester form.
Oil reservoir exploitation steam injection pipe the most according to claim 7, it is characterised in that described steam injection inner tube
Can be cast iron pipe or stainless steel tube with steam injection outer tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620231725.6U CN205532540U (en) | 2016-03-24 | 2016-03-24 | Steam injection tubular is used in oil reservoir exploitation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620231725.6U CN205532540U (en) | 2016-03-24 | 2016-03-24 | Steam injection tubular is used in oil reservoir exploitation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205532540U true CN205532540U (en) | 2016-08-31 |
Family
ID=56784866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620231725.6U Active CN205532540U (en) | 2016-03-24 | 2016-03-24 | Steam injection tubular is used in oil reservoir exploitation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205532540U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672968A (en) * | 2016-03-24 | 2016-06-15 | 中国石油天然气股份有限公司 | Steam injection pipe for oil deposit exploitation and oil deposit exploitation method |
-
2016
- 2016-03-24 CN CN201620231725.6U patent/CN205532540U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105672968A (en) * | 2016-03-24 | 2016-06-15 | 中国石油天然气股份有限公司 | Steam injection pipe for oil deposit exploitation and oil deposit exploitation method |
| CN105672968B (en) * | 2016-03-24 | 2018-02-02 | 中国石油天然气股份有限公司 | A kind of oil reservoir recovery method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102628350B (en) | Propane-injecting shallow heavy oil reservoir exploitation method | |
| CN102011573B (en) | Method for uniformly injecting multi-component thermal fluid in horizontal well | |
| CN103775058B (en) | A kind of determination method of wellbore heat loss | |
| CN103939071B (en) | A kind of horizontal well steam flooding well web frame and steam drive method | |
| RU2530930C1 (en) | Oil-filled formation preheating method | |
| CN205778790U (en) | Stratified Waterflooding and injection and extraction system | |
| CN104481482B (en) | Horizontal well concentric double pipe gas injection Heat-Insulated Analysis method and device | |
| CN109598099A (en) | A kind of two-tube SAGD long horizontal well even steam injection method for numerical simulation for considering oil reservoir and being coupled with pit shaft | |
| CN108708699B (en) | A kind of super heavy oil development method strengthened SAGD vapor chamber and break through low physical property reservoir | |
| CN103352681B (en) | Thick-layer heavy crude reservoir straight well is synchronously noted and is adopted production method and device | |
| CN108708700A (en) | A kind of method of SAGD technology application effects in improvement heterogeneous reservoir | |
| CN105370255B (en) | The determination method and device of the general gas injection electric ignition well bore temperature distribution of combustion in situ | |
| CN107461180A (en) | A kind of underground continuous oil pipe implement | |
| CN104832141A (en) | Solvent-assisted horizontal well interwell communication method | |
| US20130000894A1 (en) | Solvent injection recovery process | |
| CN107575214A (en) | The Forecasting Methodology of temperature and pressure in the pit shaft of process is adopted for noting | |
| CN205532540U (en) | Steam injection tubular is used in oil reservoir exploitation | |
| US20200370402A1 (en) | Single horizontal well gravity oil drainage production device and method of using downhole steam generation | |
| CN106194135A (en) | Circulation pre-heating mean during dual horizontal well SAGD and device | |
| CN107178349A (en) | It is a kind of to improve the method and device of fireflood assisted gravity drainage exploitation effect | |
| CN104329071B (en) | A kind of combustion in situ ignition method and device | |
| CN105672967A (en) | Tubular column for SAGD double horizontal well and oil production method of tubular column | |
| CN110067546A (en) | The method of discrimination of oil well channeling in steam-drive process | |
| CN107401397B (en) | The method for communicating of dual horizontal well | |
| CN105672968B (en) | A kind of oil reservoir recovery method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |