CN109751017A - Development system is adopted in a kind of more wells conjunctions of gas hydrates - Google Patents
Development system is adopted in a kind of more wells conjunctions of gas hydrates Download PDFInfo
- Publication number
- CN109751017A CN109751017A CN201910200450.8A CN201910200450A CN109751017A CN 109751017 A CN109751017 A CN 109751017A CN 201910200450 A CN201910200450 A CN 201910200450A CN 109751017 A CN109751017 A CN 109751017A
- Authority
- CN
- China
- Prior art keywords
- well
- conjunctions
- natural gas
- development system
- adopted
- 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.)
- Withdrawn
Links
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
The present invention relates to a kind of more well conjunctions of gas hydrates to adopt development system, including floating platform, seabed multiphase pump pumping plant, well head multiphase pump, control manifold, the first pipeline, the second pipeline and the more mouthfuls of natural gas wells, the floating platform connects the seabed multiphase pump pumping plant, the seabed multiphase pump pumping plant has multiple control manifolds by first piping connection, the control manifold has the more mouthfuls of natural gas wells by second piping connection, and the well head of the natural gas well is provided with well head multiphase pump.Development system is adopted in the above-mentioned more well conjunctions of gas hydrates has the advantages of capable of exploiting multiple natural gas wells simultaneously, improving production efficiency.
Description
Technical field
The present invention relates to natural gas extraction technical field, development system is adopted in especially a kind of more well conjunctions of gas hydrates.
Background technique
Natural gas is mainly made of gaseous state low molecular hydrocarbons and non-hydrocarbon gas mixing, is that the important energy of one kind and chemical industry are former
Material.
Domestic natural gas hydrate exploitation at present or the individual well production technique using traditional deepwater oil-gas development, individual well are opened
Adopt technical deficiency place to be: individual well production technique is exploited for conventional oil gas well, the production of individual well exploitation of gas hydrate
Tolerance only has 2000-5000 cubic metres/day, and individual well production technique is not suitable for gas hydrates low output, at high cost opens
Adopt feature.
Summary of the invention
In view of the above situation, it is necessary to a kind of more wells conjunctions of gas hydrates that yield is high are provided and adopt development system.
To solve the above-mentioned problems, a kind of more wells conjunctions of gas hydrates are provided and adopt development system, including floating platform, sea
Bottom multiphase pump pumping plant, well head multiphase pump, control manifold, the first pipeline, the second pipeline and the more mouthfuls of natural gas wells, the floating platform
The seabed multiphase pump pumping plant is connected, the seabed multiphase pump pumping plant has multiple control manifolds by first piping connection,
The control manifold has the more mouthfuls of natural gas wells by second piping connection, and it is more that the well head of the natural gas well is provided with well head
Mutually pump.
Further, the control manifold is 3-5.
Further, the natural gas well of the single control manifold connection is 6-18 mouthfuls.
Further, 0.4-0.8 km is spaced between the two neighboring natural gas well.
Further, the more mouthfuls of natural gas wells are in array distribution.
Further, the floating platform is equipped with separator, dehydration device and compression set.
Further, the separator includes gs-oil separator or three phase separator.
Further, the dehydration device includes electric dehydrator.
Further, first pipeline includes jumper pipe.
Development system is adopted in the above-mentioned more well conjunctions of gas hydrates, is connected the more mouthfuls of natural gas wells by control manifold,
It is pressurized again by seabed multiphase pump pumping plant, is transported to floating platform again later and is handled.Multiple days can be exploited simultaneously
Right gas well, improves production efficiency.
Detailed description of the invention
Fig. 1 is that the more wells of gas hydrates of the embodiment of the present invention close the schematic diagram for adopting development system.
Label declaration:
1, the natural gas well；2, control manifold；3, seabed multiphase pump pumping plant；4, floating platform；5, the first pipeline；6, the second pipe
Road；A: adjacent natural gas well spacing；B, perpendicular to the adjacent natural gas well spacing in the direction A.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
A kind of more well conjunctions of gas hydrates of the present invention are adopted development system and are further elaborated.It should be appreciated that described herein
Specific examples are only used to explain the present invention, is not intended to limit the present invention.
Referring to Figure 1, the embodiment of the present invention to solve the above-mentioned problems, provides a kind of more wells conjunctions of gas hydrates and adopts
Development system, including floating platform 4, seabed multiphase pump pumping plant 3, well head multiphase pump, control manifold 2, the first pipeline 5, second pipe
Road 6 and the more mouthfuls of natural gas wells 1, the floating platform 4 connect the seabed multiphase pump pumping plant 3, and the seabed multiphase pump pumping plant 3 is logical
It crosses first pipeline 5 and is connected with multiple control manifolds 2, the control manifold 2 is connected with more mouthfuls of days by second pipeline 6
Right gas well 1, the well head of the natural gas well 1 are provided with well head multiphase pump.
Development system is adopted in the above-mentioned more well conjunctions of gas hydrates, is connected the more mouthfuls of natural gas wells 1 by control manifold 2
Come, then be pressurized by seabed multiphase pump pumping plant 3, is transported to floating platform 4 again later and is handled.It can exploit simultaneously more
A natural gas well 1, improves production efficiency.
It should be understood that well head multiphase pump is connected with subsea production tree pipeline.First closes road 5, the as natural gas well and control
Pipeline between tubulation remittance.Second pipeline 6, the as pipeline of control manifold and multiphase pump pumping plant.Simply, second pipeline 6
Effectively output bore is greater than the first pipeline 5. simply, and multiphase pump pumping plant uses high-power multiphase pump, with specific reference to the day of connection
Right gas well quantity and yield are designed.Preferably, multiphase pump pumping plant 3 uses double helix multiphase pump；Well head multiphase pump uses
Oil gas water multiphase mixing transmission pump.
Referring to Figure 1, the control manifold 2 is 3-5.
Due to the output requirement of apparatus of load ability and control manifold 2, control manifold 2 is unsuitable excessively high, in order to avoid overburden
Operation, causes equipment to be easy failure.
Referring to Figure 1, the natural gas well 1 that the single control manifold 2 connects is 6-18 mouthfuls.
Referring to Figure 1,0.4-0.8 km is spaced between the two neighboring natural gas well 1.Simply, adjacent natural gas
It well spacing A and is respectively positioned on 0.4-0.8 km perpendicular to the adjacent natural gas well spacing B in the direction A and is preferred, A and B equal also can may not be used
It is equal.
Referring to Figure 1, the more mouthfuls of natural gas wells 1 are in array distribution.
Preferably, control manifold 2 is 3, and the natural gas well 1 is 12 mouthfuls, multiplies 3 in 4 and multiplies 3 and multiplies array distribution.A bite natural gas
1 area coverage of well is about the reservoir area that A multiplies B, and preferred A and B is 0.5 km.It should be understood that a bite natural gas well
1 covered reservoir area is limited, the above-mentioned utilization that the recovery ratio and the natural gas well 1 that are conducive to improve natural gas is distributed with
Rate.Preferably, it can be designed according to the specific situation of natural gas reservoirs.
Preferably, the floating platform 4 is equipped with separator, dehydration device and compression set.
Preferably, the separator includes gs-oil separator or three phase separator.
Preferably, the dehydration device includes electric dehydrator.
When natural gas is acquired out from reservoir, it is mixed with petroleum, water and silt particle etc., is needed as the case may be to natural
Gas carries out oil, gas, divides, sand separation.Preferably, using the three phase separator that can separate solid, liquid, gas.
Natural gas extraction removes after coming out also to be contained containing underground water to make up the water filling of reservoir energy.Preferably, de- using electricity
Water and chemical dehydration combine, and are first handled with chemical substances such as demulsifiers, enter back into electric dehydrator dehydration；Dehydration effect can be improved
Rate.
Compression set preferably uses sectional compression.
Referring to Figure 1, first pipeline 5 includes jumper pipe.
The natural gas well 1 and other heavy equipments in seabed general position be it is fixed, connected using jumper pipe, connection side
Just.
Natural gas after treatment can be delivered directly to land, supply Natural Gas Power Plant etc. by seabed main line.
In conclusion development system is adopted in the more well conjunctions of gas hydrates of the invention, it is natural by more mouthfuls by control manifold
Gas well connects, then is pressurized by seabed multiphase pump pumping plant, is transported to floating platform again later and is handled.It can be same
When exploit multiple natural gas wells, improve production efficiency.According to natural gas hydrate stratum stable structure, mineral reserve are evenly distributed
The characteristics of, a Gas Hydrate according to the average a large amount of located production wells of spacing, by pipeline and manifold system,
The output object (mixture of natural gas and water and sand) of these producing wells is passed through underwater multiphase pump pumping plant, concentration is pumped into sea
Floating platform.Solves the problem of gas hydrates individual well exploitation low output, investment height, deficiency in economic performance.Sufficiently combine day
The Development characteristics of right gas hydrate, under the premise of economic, efficient and safety under, production technique is adopted by the conjunction of more wells and improves natural gas
Yield is solved the problems, such as that gas water closes producing well and shakes out, is reduced total investment, increased natural by using multiphase pump
The benefit of gas hydrate exploitation.
The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, though
So the present invention has been disclosed as a preferred embodiment, and however, it is not intended to limit the invention, any technology people for being familiar with this profession
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above are modified or are modified
It is right according to the technical essence of the invention for the equivalent embodiment of equivalent variations, but without departing from the technical solutions of the present invention
Any simple modification, equivalent change and modification made by above embodiments, all of which are still within the scope of the technical scheme of the invention.
Claims (9)
1. development system is adopted in a kind of more well conjunctions of gas hydrates, it is characterised in that: pumped including floating platform, seabed multiphase pump
It stands, well head multiphase pump, control manifold, the first pipeline, the second pipeline and the more mouthfuls of natural gas wells, the floating platform connects the sea
Bottom multiphase pump pumping plant, the seabed multiphase pump pumping plant have multiple control manifolds, the control pipe by first piping connection
Excessively described second piping connection of Correspondent has the more mouthfuls of natural gas wells, and the well head of the natural gas well is provided with well head multiphase pump.
2. development system is adopted in the more well conjunctions of gas hydrates according to claim 1, it is characterised in that: the control manifold
It is 3-5.
3. development system is adopted in the more well conjunctions of gas hydrates according to claim 1, it is characterised in that: the single control
The natural gas well of manifold connection is 6-18 mouthfuls.
4. development system is adopted in the more well conjunctions of gas hydrates according to claim 1, it is characterised in that: two neighboring described
Spacing 0.4-0.8 km between the natural gas well.
5. development system is adopted in the more well conjunctions of gas hydrates according to claim 1, it is characterised in that: described more mouthfuls natural
Gas well is in array distribution.
6. development system is adopted in the more well conjunctions of gas hydrates according to claim 1, it is characterised in that: the floating platform
Equipped with separator, dehydration device and compression set.
7. development system is adopted in the more well conjunctions of gas hydrates according to claim 6, it is characterised in that: the separator
Including gs-oil separator or three phase separator.
8. development system is adopted in the more well conjunctions of gas hydrates according to claim 6, it is characterised in that: the dehydration device
It include electric dehydrator.
9. development system is adopted in the more well conjunctions of gas hydrates according to claim 1, it is characterised in that: first pipeline
It include jumper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910200450.8A CN109751017A (en) | 2019-03-16 | 2019-03-16 | Development system is adopted in a kind of more wells conjunctions of gas hydrates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910200450.8A CN109751017A (en) | 2019-03-16 | 2019-03-16 | Development system is adopted in a kind of more wells conjunctions of gas hydrates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109751017A true CN109751017A (en) | 2019-05-14 |
Family
ID=66408843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910200450.8A Withdrawn CN109751017A (en) | 2019-03-16 | 2019-03-16 | Development system is adopted in a kind of more wells conjunctions of gas hydrates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109751017A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827936A (en) * | 2020-08-13 | 2020-10-27 | 中国石油大学(华东) | Batch drilling rolling type well group natural gas hydrate exploitation system and method |
| CN113092732A (en) * | 2021-05-07 | 2021-07-09 | 青岛理工大学 | Natural gas hydrate exploitation simulation and sand production and prevention experimental method |
-
2019
- 2019-03-16 CN CN201910200450.8A patent/CN109751017A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827936A (en) * | 2020-08-13 | 2020-10-27 | 中国石油大学(华东) | Batch drilling rolling type well group natural gas hydrate exploitation system and method |
| CN111827936B (en) * | 2020-08-13 | 2021-04-16 | 中国石油大学(华东) | Batch drilling rolling type well group natural gas hydrate exploitation system and method |
| CN113092732A (en) * | 2021-05-07 | 2021-07-09 | 青岛理工大学 | Natural gas hydrate exploitation simulation and sand production and prevention experimental method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103628880B (en) | The green mining system of deep seafloor shallow-layer non-diagenesis formation gas hydrate | |
| RU2478074C2 (en) | Method to inject carbon dioxide | |
| CN105041271B (en) | A kind of buck exploiting ocean natural gas hydrates method and sub-sea production systems | |
| US8678514B2 (en) | Method for converting hydrates buried in the waterbottom into a marketable hydrocarbon composition | |
| CN100587227C (en) | Method for exploiting natural gas hydrates and device thereof | |
| CN103628844B (en) | The recovery method of the non-diagenesis formation gas hydrate of deep seafloor shallow-layer | |
| US10683736B2 (en) | Method and system for recovering gas in natural gas hydrate exploitation | |
| US8511386B2 (en) | Pumping module and system | |
| CN107489412B (en) | Submarine shallow natural gas hydrate underground in-situ real-time separation backfill system | |
| CN102817596A (en) | Ocean combustible ice mining device and method | |
| CN102165138A (en) | Method and system for jointly producing and processing hydrocarbons from natural gas hydrate and conventional hydrocarbon reservoirs | |
| CN1757882A (en) | Sea bed gas hydrate exploitation and conveying method and device | |
| CN108049846A (en) | A kind of method of solid displacement pressurize exploitation sea bed gas hydrate | |
| CN110397424B (en) | Deep water natural gas hydrate production system and method based on depressurization exploitation | |
| CN109751017A (en) | Development system is adopted in a kind of more wells conjunctions of gas hydrates | |
| CN216477277U (en) | Offshore heavy oil thermal recovery floating well head platform in shallow sea area | |
| CN111433435B (en) | Subsea system and method for pressurizing a subsea oil reservoir by separate injection of water and gas | |
| CN110374557B (en) | Natural gas hydrate underwater production system and method based on fluidization exploitation | |
| CN113236192A (en) | Marine hydrate underwater mining system and method | |
| CN1587642A (en) | Method and device for sea natural gas hydrate production | |
| CN1920249A (en) | Small-scaled high-pressure natural gas well processing and utilization system | |
| CN110529082A (en) | A kind of gas-liquid separation tubing string for offshore gas well liquid discharging gas producing | |
| CN102887307A (en) | Novel underwater oil storage device adopting oil-gas displacement | |
| CN210396709U (en) | Natural gas hydrate underwater production system based on fluidization exploitation | |
| CN209780851U (en) | Gas hydrate multi-well commingled production development system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190514 |
|
| WW01 | Invention patent application withdrawn after publication |