CN105013398B - Well high temperature high pressure reaction assembly - Google Patents
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- CN105013398B CN105013398B CN201410167246.8A CN201410167246A CN105013398B CN 105013398 B CN105013398 B CN 105013398B CN 201410167246 A CN201410167246 A CN 201410167246A CN 105013398 B CN105013398 B CN 105013398B
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Abstract
The present invention relates to a kind of well high temperature high pressure reaction assembly, including：High temperature and high pressure containers and the subterranean well bore structure for disposing the high temperature and high pressure containers, the subterranean well bore structure provide accommodation space and pressure release safe space for the high temperature and high pressure containers.Compared to the high temperature and high pressure containers on ground, the subterranean well bore structure of the present invention is in addition to it can save the space-consuming of high temperature and high pressure containers on the ground, the security protection and environmental protection good to high temperature and high pressure containers can inherently be realized, so that high temperature and high pressure containers are difficult to make a very bad impression to personnel and environment when destroying, therefore the safety of high temperature and high pressure containers is significantly improved, explosion-proof and environmentally friendly environment, so that high temperature and high pressure containers significantly reduce to the engine request of security protection and environmental protection, and then save the engineering cost of security protection and the environmental protection of high temperature and high pressure containers.
Description
Technical field
The present invention relates to chemical field, more particularly to a kind of well high temperature high pressure reaction assembly.
Background technology
For a long time, with the increasing of the reaction condition such as temperature, pressure, inflammable gas environment in chemical engineering industry system
Add so that the safety guarantee condition of design library part editor and reuse greatly improves, and device manufacture, safety, environmental protection is proposed very severe
The condition at quarter, so as to substantially increase construction costs and safe and environment-friendly cost.
In fossil energy in the lighting of heavy charge, purifying engineering, either DCL/Direct coal liquefaction, or heavy oil add
Hydrogen modification, kerosene refine altogether, and course of reaction is both needed to carry out in HTHP, hydrogen environment, no matter to which kind of above-mentioned process conditions
It is all very harsh.Even conventional oil hydrogenation process for refining, need to also face hydrogen state, 350 DEG C -470 DEG C of operating temperature, work
Make to complete under pressure 8MPa-20MPa.
And harsh reaction condition causes the industry of device to be manufactured into for a huge engineering.A such as megaton
The hydrogenation reaction device of coal, heavy oil, using the heat-resisting 2.25CrMoV steel of new resistant to hydrogen, the quality of separate unit reactor weighs thousands of tons of,
Not only smelt, forge to steel, being heat-treated and assembly welding, manufacture propose the technology of high intensity, technological requirement, also to traffic
Transport brings huge challenge with manufacturing cost, limits hydrogenation lighting, the development of purifying engineering of coal.
CN1935943A discloses a kind of coal hydrogenation reaction device and its commercial Application, and the coal hydrogenation reaction device is by gas
Fluidized bed and bubbling bed and coal slurry recycle pump and heat exchanger composition, air flow bed and bubbling bed are contained in same cylindrical shape liner fire resisting altogether
In the housing of material, air flow bed is upper, and bubbling bed is under.Coal slurry can repeatedly enter reactor, can prevent precipitation, pass through
The cross jet of nozzle itself and the opposed percussion flow laid nozzle and formed can realize slurry atomization and droplet and H2 well
Mixing.However, this reaction unit for producing 5000000 tons of oil products per year, its reactor interior diameter is 6500mm, the air-flow height of bed
48m, bubbling height of bed 40m, amount to total high 98m.
CN102234520A, CN102417826A disclose the coal of big L/D ratio, heavy-oil hydrogenation tubular reactor, and set
Repeatedly injection hydrogen device, reduces the hydrogen excess quantity in course of reaction, improves the utilization rate of hydrogen and reactor.It is such
Reactor embodies the succinct feature of device in medium and small experimental rig；But for Large Scale Industrial Process, 1,000,000 tons/year of lightweights
The device of oil has internal diameter Φ 500mm reaction tube, and length will exceed 2000m, and control valve will exceed hundreds, and only safety is asked
Topic can not just solve.
As can be seen here, the above-mentioned heavy-oil hydrogenation for being arranged at ground, direct coal liquefaction technology and kerosene refine hydro-upgrading etc. altogether
The large high-temperature high-pressure reactor used, to improve the safety of device and environmental protection, cause that reactor wall thickness is big, ton
Position weight, manufacture difficulty are big, the protection cost of device is much larger than the functional cost of device.
The content of the invention
The purpose of the present invention is to propose to a kind of well high temperature high pressure reaction assembly, it is possible to increase the safety of high temperature and high pressure containers
Protection and environmental protection effect, reduce the engineering cost of security protection and the environmental protection of high temperature and high pressure containers.
To achieve the above object, the invention provides a kind of well high temperature high pressure reaction assembly, including：High temperature and high pressure containers
With the subterranean well bore structure for disposing the high temperature and high pressure containers, the subterranean well bore structure provides peace for the high temperature and high pressure containers
Between being empty and pressure release safe space.
Further, the subterranean well bore structure is to be arranged at the combined housing of below ground, specifically includes top layer well bore
Structure, well type well body structure, well type sleeve structure and well cementation cementing structure, the well type well body structure pass through in the top layer well
Drilling well in body structure and obtain, the top layer casing programme provides stable stratum stake seat for the well type well body structure, described
Well type sleeve structure is arranged in the well type well body structure, is combined by the well cementation cementing structure, is formed multiple in well
Close shell structure.
Further, the top layer casing programme includes top layer drilling well well body structure, surface pipe structure and surface casing cementing
Structure, the top layer drilling well well body structure are configured from ground to formation rock rock layers, and the surface pipe structure setting is in institute
State in top layer drilling well well body structure, be combined by the surface casing cementing structure.
Further, the top layer drilling well well body structure is vertical casing programme, hole deviation≤0.3 °, hole diameter≤2.5m, well
Depth≤300m.
Further, the surface pipe structure is buckled type of attachment with positive/negative thread with sleeve pipe pipe fitting by oil well and formed, and stretches
Enter more than the bottom of the top layer drilling well well body structure≤30m position.
Further, the surface casing cementing structure for cemented the well by oil well cement paste, oil well cement paste returns out ground
Wait the solidifying Behavior of Hardened Cement Paste formed again afterwards, the Behavior of Hardened Cement Paste is glued the surface pipe structure and stratum, forms the compound well bore knot in top layer
Structure.
Further, the well type well body structure is vertical casing programme, hole deviation≤1 °, well-drilling borehole hole diameter≤1.5m,
Drilling well well depth≤2500m, drilling well hole enlargement ratio≤1.15 × bit diameter.
Further, the well type well body structure is tilts casing programme, hole deviation≤30 ° or >=60 °, well-drilling borehole hole diameter
≤ 1.0m, drilling well well depth≤2000m, drilling well hole enlargement ratio≤1.15 × bit diameter.
Further, the well type well body structure is horizontal casing programme, well-drilling borehole hole diameter≤1.0m, well type well body knot
Vertical well depth≤1000m of structure, horizontal section length≤1000m, drilling well hole enlargement ratio≤1.10 × bit diameter.
Further, the well type sleeve structure is made up of oil well with sleeve pipe pipe fitting with positive/negative thread button type of attachment, is stretched
Enter more than the bottom of the well type well body structure 20~50m position.
Further, the well cementation cementing structure to be added by polymer, cemented the well, polymer adds by sand high-temperature water mud
Sand high-temperature water mud returns out waits solidifying 24~72 hours polymer formed behind ground and adds sand cement stone again, and the polymer adds sand water
Mudstone is glued the well type sleeve structure and stratum, forms composite shell structure in well.
Further, it is described well cementation cementing structure bottom hole cement plug cock body thickness >=30m, the well type sleeve structure and
The Behavior of Hardened Cement Paste of ground interlayer joins for full well.
Further, in the well composite shell structure compression strength >=50MPa, moment temperature resistance ability >=500 DEG C, resist
Impact strength >=100MPa.
Further, the dischargeable capacity of composite shell structure is at least in the high temperature and high pressure containers and effectively held in the well
Long-pending 5 times.
Further, the high temperature and high pressure containers are suspended-bed reactor or fixed bed reactors.
Further, the high temperature and high pressure containers are gas phase, liquid phase or fluid type high temperature and high pressure containers.
Further, the high temperature and high pressure containers are heat-insulated tubular reactor or heat-insulated annulus line formula reactor.
Further, the heat-insulated tubular reactor include it is at least one by the heat-insulated pipe fitting of a monomer or multiple monomers every
Heat pipe part connection composition the heat-insulated tubular reactor of monomer, the heat-insulated tubular reactor of monomer by ground flow control assembly and/
Or the heat-insulated tubular reactors of monomer that pipeline is same with other one or more in a manner of serial or parallel connection or both combines
Connect and form heat-insulated tubular reactor, the heat-insulated pipe fitting of monomer has one or more inner tubes side by side and is enclosed on described one
Closing outer tube outside individual or multiple inner tubes side by side, the both ends of the surface of the closing outer tube connect with inside with the side wall of all inner tubes
Sealed insulation layer is formed between outer tube.
Further, the heat-insulated annulus line formula reactor includes at least one by the heat-insulated annulus line outer tube post of monomer and putting
In the heat-insulated annulus line formula reactor of monomer that the annular space mozzle in the inner tube of the heat-insulated annulus line outer tube post of the monomer is formed, institute
The heat-insulated annulus line outer tube post of monomer is stated to be made up of the heat-insulated pipe fitting of a monomer or the connection of multiple monomers heat-insulated pipe fitting, the monomer every
Hot annular space tubular reactor ground flow control assembly and/or pipeline in a manner of serial or parallel connection or both combination with
Other one or more heat-insulated annulus line formula reactors of same monomer connect and form heat-insulated annulus line formula reactor, the list
The heat-insulated pipe fitting of body has the inner tube of one or more bottom locks side by side and is enclosed on one or more of bottom envelopes side by side
Closing outer tube outside the inner tube closed, the both ends of the surface of the closing outer tube connect with the shape between inner and outer pipes with the side wall of all inner tubes
Into sealed insulation layer.
Further, the subterranean well bore structure is single subterranean well bore structure.
Further, the subterranean well bore structure is multiple subterranean well bore structures, and using from formula arranged type, it is anti-3 points,
Inverted five spot or anti-7 points of hole pattern, well spacing >=5.0m.
Further, the multiple subterranean well bore structure is connected by ground control valve group and heat-insulated pipeline series and parallel.
Based on above-mentioned technical proposal, the present invention disposes high temperature and high pressure containers in subterranean well bore structure, by subterranean well bore knot
Structure provides accommodation space and pressure release safe space for high temperature and high pressure containers, compared to the high temperature and high pressure containers on ground, the present invention
Subterranean well bore structure in addition to it can save the space-consuming of high temperature and high pressure containers on the ground, can inherently realize pair
High temperature and high pressure containers good security protection and environmental protection so that high temperature and high pressure containers are difficult to personnel and environment when destroying
Make a very bad impression, therefore significantly improve safe, the explosion-proof and environmentally friendly environment of high temperature and high pressure containers so that HTHP
Container significantly reduces to the engine request of security protection and environmental protection, and then saves security protection and the ring of high temperature and high pressure containers
The engineering cost of border protection.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the structural representation of an embodiment of well high temperature high pressure reaction assembly of the present invention.
Fig. 2 is a kind of schematic diagram of well spacing form of well high temperature high pressure reaction assembly embodiment of the present invention.
Fig. 3 is the schematic diagram of another well spacing form of well high temperature high pressure reaction assembly embodiment of the present invention.
Embodiment
Below by drawings and examples, technical scheme is described in further detail.
As shown in figure 1, the structural representation of the embodiment for well high temperature high pressure reaction assembly of the present invention.In this implementation
In example, well high temperature high pressure reaction assembly includes：The subterranean well bore structure of high temperature and high pressure containers 8 and placement high temperature and high pressure containers 8,
Subterranean well bore structure is that high temperature and high pressure containers 8 provide accommodation space and pressure release safe space.It is high with the high temperature on existing ground
Pressure vessel is compared, and subterranean well bore structure provides accommodation space for high temperature and high pressure containers, saves high temperature and high pressure containers on ground
On space-consuming.And subterranean well bore structure can inherently be realized good to high temperature and high pressure containers due to locating below ground level
Security protection and environmental protection, even if high temperature and high pressure containers destroy in use, subterranean well bore structure can also be born
High temperature and high pressure containers impact caused by destroying, and avoid because high temperature and high pressure containers destroy the personal injury to periphery personnel, and
Material after destruction can be fallen in subterranean well bore structure, and avoiding overflowing is scattered in earth's surface or air, is made a very bad impression to environment, because
This significantly improves safe, the explosion-proof and environmentally friendly environment of high temperature and high pressure containers so that high temperature and high pressure containers are to security protection
Significantly reduced with the engine request of environmental protection, so save high temperature and high pressure containers security protection with environmental protection engineering into
This.
Subterranean well bore structure is a kind of combined housing for being arranged at below ground, specifically includes top layer casing programme, well type
Well body structure 4, well type sleeve structure 5 and well cementation cementing structure 6.Wherein well type well body structure 4 passes through on the top layer being previously formed
Drilling well in casing programme and obtain, and the formation of top layer casing programme is in order to provide stable stratum stake to well type well body structure 4
Seat, and well type sleeve structure 5 is arranged in well type well body structure 4, by cementing the well, cementing structure 6 is combined, and is formed multiple in well
Close shell structure.And the structural characteristic parameter Main Basiss of composite shell structure are arranged in well in composite shell structure in well
High temperature and high pressure containers parameters determines.
Referring to Fig. 1, top layer casing programme may further include top layer drilling well well body structure 1, surface pipe structure 2 and table
Layer well cementation structure 3, top layer drilling well well body structure 1 need to be configured to formation rock rock layers from ground through stratum drifting sand layer, with
Just stable top layer well body structure is obtained, and surface pipe structure 2 is arranged in top layer drilling well well body structure 1, is consolidated by top layer
Well construction 3 is combined.
In the specific implementation of top layer casing programme, top layer drilling well well body structure 1 can use vertical casing programme, and hole deviation≤
0.3°.The characteristic parameter of composite shell structure and ground laminar flow in the characteristic parameter Main Basiss well of its top layer drilling well well body structure 1
The depth of layer of sand is determined, and the hole diameter of top layer drilling well well body structure 1 is 1.2~1.3 times of well body structure drilling well hole diameter, optional
Span is hole diameter≤2.5m, and the well depth of top layer drilling well well body structure 1 is 1.5~3.0 times of stratum quicksand layer depth, and one
As stratum quicksand layer depth≤200m, therefore the optional span of well depth is≤300m.
, can be according to API oil wells top layer well section engineering specification selection standard API oil wells in the formation of surface pipe structure 2
With sleeve pipe pipe fitting, oil well is formed with sleeve pipe pipe fitting with positive/negative thread button type of attachment, stretches into the bottom of top layer drilling well well body structure 1
It is more than portion≤30m position, preferably 20m~30m position.
Surface casing cementing structure 3 can be cemented the well according to oil well API conventional cementing standards, i.e., consolidated by oil well cement paste
Well, oil well cement paste are waited solidifying and form Behavior of Hardened Cement Paste again after returning out ground, and Behavior of Hardened Cement Paste can be glued surface pipe structure 2 and stratum,
Form the compound casing programme in top layer.
The characteristic parameter of the well type well body structure 4 of the compound casing programme in top layer is arranged on mainly by composite shell structure in well
Characteristic parameter determine.Well type well body structure 4 can use vertical casing programme (abbreviation straight well) as shown in Figure 1, can also adopt
With inclination casing programme (abbreviation inclined shaft) or horizontal casing programme (abbreviation horizontal well).
For the well type well body structure of straight well form, hole deviation≤1 °, the well-drilling borehole hole diameter of well type well body structure 4 is sleeve pipe
1.3~1.5 times of external diameter, optional span are well-drilling borehole hole diameter≤1.5m, and the drilling well well depth of well type well body structure 4 is well
+ 30~50m of middle composite shell structure depth, the optional span of drilling well well depth for≤2500m, preferably≤2000m, drilling well hole diameter
Amplification degree≤1.15 × bit diameter.
For the well type well body structure of inclined shaft form, hole deviation≤30 ° or >=60 °, the well-drilling borehole well of well type well body structure
Footpath is 1.2~1.5 times of sleeve outer, and optional span is well-drilling borehole hole diameter≤1.0m, the drilling well of well type well body structure
Well depth is composite shell structure+30~50m of depth in well, and the optional span of drilling well well depth is≤2000m, drilling well caliper expansion
Rate≤1.15 × bit diameter.
For the well type well body structure of horizontal well form, the well-drilling borehole hole diameter of well type well body structure is sleeve outer
1.3~1.5 times, optional span is well-drilling borehole hole diameter≤1.0m, vertical well depth≤1000m in well type well body structure,
Horizontal section length≤1000m, drilling well hole enlargement ratio≤1.10 × bit diameter.
Well type sleeve structure 5, which is placed on, to be completed to bore in deep well type well body structure 4, by oil well with sleeve pipe pipe fitting with positive and negative spiral shell
Line button type of attachment forms sleeve pipe tubular column structure, stretch into more than the bottom of well type well body structure 4 >=20m (preferably 20~50m)
Position.
Well cementation cementing structure 6 can add that sand high-temperature water mud is cemented the well, polymer adds sand high-temperature cement by polymer
Slurry waits solidifying 24~72 hours and forms polymer and add sand cement stone again after returning out ground, and the polymer adds sand cement stone to be glued well type
Sleeve structure and stratum, form composite shell structure in well.Used polymer adds sand cement to starch formed complex cement
Stone to reach a high temperature thermal production well API well cementation standard, pass through sound width, variable density detect well-cementing cement intensity, it is ensured that reach engineering
It is required that.Cock body thickness >=30m of the bottom hole cement plug 7 of well cementation cementing structure 6, and the cement of well type sleeve structure 5 and ground interlayer
Stone joins for full well.
In order to meet safeguard protection condition of the high temperature and high pressure containers when destroying, the compression strength of composite shell structure in well
>=50MPa, preferably moment temperature resistance ability >=500 DEG C, 500 DEG C, impact strength >=100MPa, preferably >=150MPa.
Under the conditions of the different operating of high temperature and high pressure containers, the dischargeable capacity of composite shell structure is held with HTHP in well
The ratio of dischargeable capacity is at least 5 times in device.For example, if high temperature and high pressure containers condition of work is 455 DEG C of temperature, pressure
During 18.0MPa, ratio 16.2；If high temperature and high pressure containers condition of work is 280 DEG C of temperature, during pressure 2.5MPa, ratio is
10.5；If high temperature and high pressure containers condition of work is 220 DEG C of temperature, during pressure 0.5MPa, ratio 5.6.
The high temperature and high pressure containers disposed in subterranean well bore structure can be suspended-bed reactor, such as condition of work is temperature
455 DEG C of degree, the heat-insulated of pressure 18.0MPa goes back blank pipe formula suspended-bed reactor or fixed bed reactors, such as the bar that works
Part is 410 DEG C of temperature, the heat-insulated also empty tubular fixed-bed reactors of pressure 12.0MPa.
The high temperature and high pressure containers disposed in subterranean well bore structure can also be that gas phase, liquid phase or fluid type HTHP hold
Device, such as condition of work is 450 DEG C of temperature, pressure 18.0MPa gases at high pressure separator.
The high temperature and high pressure containers disposed in subterranean well bore structure can also be that high temperature and high pressure containers are heat-insulated pipe reaction
Device or heat-insulated annulus line formula reactor.Wherein heat-insulated tubular reactor includes at least one by the heat-insulated pipe fitting or multiple of a monomer
The heat-insulated tubular reactor of monomer of the heat-insulated pipe fitting connection composition of monomer, the heat-insulated tubular reactor of monomer pass through ground flow control group
Part and/or pipeline are anti-with other one or more same heat-insulated tubular types of monomer in a manner of serial or parallel connection or both combines
Device is answered to connect and form heat-insulated tubular reactor, the heat-insulated pipe fitting of monomer has one or more inner tubes side by side and is enclosed on institute
State the closing outer tube outside one or more inner tube side by side, the both ends of the surface of the closing outer tube connect with the side wall of all inner tubes with
Sealed insulation layer is formed between inner and outer pipes.
Heat-insulated annulus line formula reactor include it is at least one by the heat-insulated annulus line outer tube post of monomer and be placed in the monomer every
The heat-insulated annulus line formula reactor of monomer that annular space mozzle in the inner tube of the outer tubing string of hot annulus line is formed, the monomer heat insulation loop
The outer tubing string of blank pipe is made up of the heat-insulated pipe fitting of a monomer or the heat-insulated pipe fitting connection of multiple monomers, and the heat-insulated annulus line formula of monomer is anti-
Answer device ground flow control assembly and/or pipeline in a manner of serial or parallel connection or both combination with other or more
The individual heat-insulated annulus line formula reactor of same monomer connects and forms heat-insulated annulus line formula reactor, the heat-insulated pipe fitting tool of monomer
There is the inner tube of one or more bottom locks side by side and be enclosed on outside the inner tube of one or more of bottom locks side by side
Outer tube is closed, the both ends of the surface of the closing outer tube connect with the side wall of all inner tubes to form heat-insulating and sealing between inner and outer pipes
Layer.
Subterranean well bore structure in above-mentioned each well high temperature high pressure reaction assembly embodiment can be solely well-sinking knot
Structure or multiple subterranean well bore structures.For multiple subterranean well bore structures, can use shown in Fig. 2 from formula arranged type,
Or the well spacing form of anti-3 points of use, inverted five spot or anti-7 points (referring to Fig. 3), well spacing >=5.0m.These multiple subterranean well bores
Structure can be connected by ground control valve group and heat-insulated pipeline series and parallel, to form technological process in complete well.These cloth
Well form in engineering can easily on maintained equipment to the high temperature and high pressure containers after installation according to track carry out operation and
Safeguard.
The characteristic parameter that following present several examples of the well high temperature high pressure reaction assembly of the present invention helps to understand,
The wherein characteristic parameter of top layer casing programme such as table 1 below, but not limited to this example：
The characteristic parameter of composite shell structure such as table 2 below in well, but not limited to this example：
The characteristic parameter of high temperature and high pressure containers such as table 3 below, but not limited to this example：
| High temperature and high pressure containers | I classes | II classes | Group III | IV classes |
| Operating temperature/DEG C | <300 | <300 | <500 | >500 |
| Operating pressure/MPa | ≤5 | ≤10 | ≤20 | ≥20 |
| Peace holds coefficient | 0.2 | 0.1 | 0.08 | 0.05 |
| High temperature and high pressure containers dischargeable capacity/m3 | 85.0 | 42.5 | 34.0 | 21.3 |
Peace in table 3 holds coefficient for dischargeable capacity in the dischargeable capacity and high temperature and high pressure containers of composite shell structure in well
The inverse of ratio.
Finally it should be noted that:The above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, those of ordinary skills in the art should understand that：Still
The embodiment of the present invention can be modified or equivalent substitution is carried out to some technical characteristics；Without departing from this hair
The spirit of bright technical scheme, it all should cover among the claimed technical scheme scope of the present invention.
Claims (20)
1. a kind of well high temperature high pressure reaction assembly, including：High temperature and high pressure containers and the underground for disposing the high temperature and high pressure containers
Shaft structure, the subterranean well bore structure provide accommodation space and pressure release safe space, Neng Goucheng for the high temperature and high pressure containers
By the high temperature and high pressure containers destroy caused by impact, and the material after avoiding damage to overflows and is scattered in earth's surface or air, with reality
The now security protection and environmental protection to the high temperature and high pressure containers；
Wherein, the subterranean well bore structure is to be arranged at the combined housing of below ground, specifically includes top layer casing programme, well type
Well body structure, well type sleeve structure and well cementation cementing structure, the well type well body structure pass through in the top layer casing programme
Drilling well and obtain, the top layer casing programme provides stable stratum stake seat, the well type sleeve pipe for the well type well body structure
Structure setting is combined by the well cementation cementing structure in the well type well body structure, forms combined housing knot in well
Structure；The dischargeable capacity of composite shell structure is at least 5 times of dischargeable capacity in the high temperature and high pressure containers in the well.
2. well high temperature high pressure reaction assembly according to claim 1, wherein the top layer casing programme bores including top layer
Well well body structure, surface pipe structure and surface casing cementing structure, the top layer drilling well well body structure is from ground to formation rock rock layers
It is configured, the surface pipe structure setting is entered in the top layer drilling well well body structure by the surface casing cementing structure
Row combines.
3. well high temperature high pressure reaction assembly according to claim 2, wherein the top layer drilling well well body structure is vertical
Casing programme, hole deviation≤0.3 °, hole diameter≤2.5m, well depth≤300m.
4. well high temperature high pressure reaction assembly according to claim 2, wherein the surface pipe structure is covered by oil well
Pipe pipe fitting is formed with positive/negative thread button type of attachment, stretches into more than the bottom of the top layer drilling well well body structure≤30m position.
5. well high temperature high pressure reaction assembly according to claim 2, wherein the surface casing cementing structure is to pass through oil well
Cement mortar is cemented the well, oil well cement paste waits the solidifying Behavior of Hardened Cement Paste formed again after returning out ground, and the Behavior of Hardened Cement Paste is glued the top layer
Sleeve structure and stratum, form the compound casing programme in top layer.
6. well high temperature high pressure reaction assembly according to claim 1, wherein, the well type well body structure is vertical well bore
Structure, hole deviation≤1 °, well-drilling borehole hole diameter≤1.5m, drilling well well depth≤2500m, drilling well hole enlargement ratio≤1.15 × drill bit are straight
Footpath.
7. well high temperature high pressure reaction assembly according to claim 1, wherein, the well type well body structure is inclination well bore
Structure, hole deviation≤30 ° or >=60 °, well-drilling borehole hole diameter≤1.0m, drilling well well depth≤2000m, drilling well hole enlargement ratio≤1.15
× bit diameter.
8. well high temperature high pressure reaction assembly according to claim 1, wherein, the well type well body structure is horizontal well bore
Structure, well-drilling borehole hole diameter≤1.0m, vertical well depth≤1000m of well type well body structure, horizontal section length≤1000m, drilling well
Hole enlargement ratio≤1.10 × bit diameter.
9. well high temperature high pressure reaction assembly according to claim 1, wherein, the well type sleeve structure is covered by oil well
Pipe pipe fitting is formed with positive/negative thread button type of attachment, stretches into more than the bottom of the well type well body structure 20~50m position.
10. well high temperature high pressure reaction assembly according to claim 1, wherein, the well cementation cementing structure is by poly-
Compound adds sand high-temperature water mud to be cemented the well, polymer adds sand high-temperature water mud to return out to wait again solidifying 24~72 hours behind ground and form
Polymer add sand cement stone, the polymer adds sand cement stone to be glued the well type sleeve structure and stratum, is formed multiple in well
Close shell structure.
11. well high temperature high pressure reaction assembly according to claim 10, wherein, the shaft bottom water of the well cementation cementing structure
The Behavior of Hardened Cement Paste of bod cock body thickness >=30m, the well type sleeve structure and ground interlayer joins for full well.
12. well high temperature high pressure reaction assembly according to claim 10, wherein, composite shell structure is anti-in the well
Compressive Strength >=50MPa, moment temperature resistance ability >=500 DEG C, impact strength >=100MPa.
13. well high temperature high pressure reaction assembly according to claim 1, wherein, the high temperature and high pressure containers are suspension bed
Reactor or fixed bed reactors.
14. well high temperature high pressure reaction assembly according to claim 1, wherein, the high temperature and high pressure containers are gas phase, liquid
Phase or fluid type high temperature and high pressure containers.
15. well high temperature high pressure reaction assembly according to claim 1, wherein, the high temperature and high pressure containers are instlated tubular
Formula reactor or heat-insulated annulus line formula reactor.
16. well high temperature high pressure reaction assembly according to claim 15, wherein, the heat-insulated tubular reactor is included extremely
The few one heat-insulated tubular reactor of monomer being made up of the heat-insulated pipe fitting of a monomer or the heat-insulated pipe fitting connection of multiple monomers, monomer every
Heat pipe reactor ground flow control assembly and/or pipeline in a manner of serial or parallel connection or both combination and other
One or more heat-insulated tubular reactors of same monomer connect and form heat-insulated tubular reactor, the heat-insulated pipe fitting tool of monomer
There are one or more inner tubes side by side and the closing outer tube being enclosed on outside one or more of inner tubes side by side, the closing outer tube
Both ends of the surface connect with the side wall of all inner tubes to form sealed insulation layer between inner and outer pipes.
17. well high temperature high pressure reaction assembly according to claim 15, wherein, the heat-insulated annulus line formula reactor bag
Include at least one by the heat-insulated annulus line outer tube post of monomer and the annular space being placed in the inner tube of the heat-insulated annulus line outer tube post of the monomer
The heat-insulated annulus line formula reactor of monomer that mozzle is formed, the heat-insulated annulus line outer tube post of monomer is by a heat-insulated pipe fitting of monomer
Or the heat-insulated pipe fittings connection composition of multiple monomers, the heat-insulated annulus line formula reactor of monomer by ground flow control assembly and/
Or pipeline is anti-with other one or more same heat-insulated annulus line formulas of monomer in a manner of serial or parallel connection or both combines
Device is answered to connect and form heat-insulated annulus line formula reactor, the heat-insulated pipe fitting of monomer has one or more bottom locks side by side
Inner tube and the closing outer tube that is enclosed on outside the inner tube of one or more of bottom locks side by side, the both ends of the closing outer tube
Face connects with the side wall of all inner tubes to form sealed insulation layer between inner and outer pipes.
18. according to any described well high temperature high pressure reaction assembly of claim 1~12, wherein, the subterranean well bore structure
For single subterranean well bore structure.
19. according to any described well high temperature high pressure reaction assembly of claim 1~12, wherein, the subterranean well bore structure
For multiple subterranean well bore structures, and using from formula arranged type, anti-3 points, inverted five spot or anti-7 points of hole pattern, well spacing >=
5.0m。
20. well high temperature high pressure reaction assembly according to claim 19, wherein, the multiple subterranean well bore structure passes through
Ground control valve group and the connection of heat-insulated pipeline series and parallel.
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| CN201410167246.8A CN105013398B (en) | 2014-04-24 | 2014-04-24 | Well high temperature high pressure reaction assembly |
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| CN201410167246.8A CN105013398B (en) | 2014-04-24 | 2014-04-24 | Well high temperature high pressure reaction assembly |
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| CN105013398B true CN105013398B (en) | 2017-12-22 |
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| CN110115960B (en) * | 2019-05-17 | 2021-12-21 | 南通市中京机械有限公司 | High-temperature and high-pressure reaction device in well |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3449247A (en) * | 1965-10-23 | 1969-06-10 | William J Bauer | Process for wet oxidation of combustible waste materials |
| CN1525882A (en) * | 2001-06-04 | 2004-09-01 | High pressure extraction | |
| CN1935943A (en) * | 2006-09-06 | 2007-03-28 | 华东理工大学 | Coal hydrogenation reaction device and its industrial application |
-
2014
- 2014-04-24 CN CN201410167246.8A patent/CN105013398B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3449247A (en) * | 1965-10-23 | 1969-06-10 | William J Bauer | Process for wet oxidation of combustible waste materials |
| CN1525882A (en) * | 2001-06-04 | 2004-09-01 | High pressure extraction | |
| CN1935943A (en) * | 2006-09-06 | 2007-03-28 | 华东理工大学 | Coal hydrogenation reaction device and its industrial application |
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