CN105275436A - Natural gas acquiring device and method - Google Patents
Natural gas acquiring device and method Download PDFInfo
- Publication number
- CN105275436A CN105275436A CN201510762229.3A CN201510762229A CN105275436A CN 105275436 A CN105275436 A CN 105275436A CN 201510762229 A CN201510762229 A CN 201510762229A CN 105275436 A CN105275436 A CN 105275436A
- Authority
- CN
- China
- Prior art keywords
- gravity assisted
- sleeve pipe
- heat pipe
- assisted heat
- natural gas
- 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.)
- Pending
Links
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 80
- 239000003345 natural gas Substances 0.000 title claims abstract description 35
- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000005484 gravity Effects 0.000 claims abstract description 87
- 239000007789 gas Substances 0.000 claims abstract description 63
- 238000010438 heat treatment Methods 0.000 claims abstract description 26
- 150000004677 hydrates Chemical class 0.000 claims description 53
- 230000008859 change Effects 0.000 claims description 13
- 238000011161 development Methods 0.000 abstract description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 9
- 239000007788 liquid Substances 0.000 abstract description 8
- NMJORVOYSJLJGU-UHFFFAOYSA-N methane clathrate Chemical compound C.C.C.C.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O.O NMJORVOYSJLJGU-UHFFFAOYSA-N 0.000 abstract description 8
- 238000011109 contamination Methods 0.000 abstract description 5
- 230000017525 heat dissipation Effects 0.000 abstract 2
- 238000012546 transfer Methods 0.000 description 15
- 239000012071 phase Substances 0.000 description 11
- 239000011435 rock Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 5
- 230000002745 absorbent Effects 0.000 description 3
- 239000002250 absorbent Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000010494 dissociation reaction Methods 0.000 description 2
- 230000005593 dissociations Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000013043 chemical agent Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 239000002178 crystalline material Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B41/00—Equipment or details not covered by groups E21B15/00 - E21B40/00
- E21B41/0099—Equipment or details not covered by groups E21B15/00 - E21B40/00 specially adapted for drilling for or production of natural hydrate or clathrate gas reservoirs; Drilling through or monitoring of formations containing gas hydrates or clathrates
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention discloses a natural gas acquiring device comprising a casing and a gravity assisted heat pipe. The outer wall of the heat dissipation section of the casing and the outer wall of the heating section of the casing are provided with perforations. The upper part of the gravity assisted heat pipe is arranged inside the heat dissipation section of the casing. The lower part of the gravity assisted heat pipe is arranged inside the heating section of the casing. In this way, the heat is absorbed by the lower part of the gravity assisted heat pipe and then the absorbed heat is transferred to the gravity assisted heat pipe. After the upper part of the gravity assisted heat pipe is heated, the natural gas hydrate is heated to be decomposed into methane gas and liquid water. Along with the increasing of the content of the decomposed natural gas hydrate, the pressure inside a natural gas hydrate storage layer is increased. When the pressure is increased to a certain degree, the pressure is automatically ejected to the top of the casing. Therefore, the development of the natural gas hydrate is realized. The invention also discloses a natural gas acquiring method, wherein the bottom of the gravity assisted heat pipe is heated by means of a high temperature layer at the bottom of the natural gas hydrate storage layer. As a result, the potential risk of external contamination is eliminated and the development cost is effectively reduced.
Description
Technical field
The present invention relates to natural gas and gather technical field, particularly relate to a kind of natural gas acquisition device and method.
Background technology
Gas hydrates are distributed widely in halmeic deposit, and it is a kind of class ice-like crystalline material formed under high pressure, cryogenic conditions by natural gas and water.In gas hydrates, methane content accounts for 80% ~ 99.9%, and its Air-pollution From Combustion is more much smaller than fossil fuels such as coal, oil, natural gases, and reserves are very abundant, are considered as following most promising petroleum gas alternative energy source by various countries.Therefore, development of natural gas hydrate resource is of great significance for alleviation China energy crisis, guarantee energy reserves, the aspect tools such as pollution that control environment cost-effectively.The exploitation of gas hydrates mainly contains pyrolysismethod, voltage drop method and chemical-agent technique, wherein pyrolysismethod be by, gas hydrates layer is heated, make the temperature of gas hydrates layer exceed its equilibrium temperature, thus impel gas hydrate dissociation to be the development approach of water and natural gas.But the method needs additionally to provide a large amount of heats, economically reduce the feasibility of gas hydrates exploitation.
A large amount of geophysical exploration shows, due to the activity of geothermal gradient or depths, stratum magma, generally grows the stratum that high temperature, high pressure water layer or hot dry rock equitemperature are higher in the bottom of gas hydrates reservoir.Effectively utilize the origin of heat of bottom hot dry rock as pyrolysismethod gas hydrates, reduction development cost, elimination external contamination risk, raising whole development benefit are all had great importance.
Summary of the invention
In view of this, the invention provides a kind of natural gas acquisition device, utilize outside heat to carry out heating gas hydrates layer, thus realize the exploitation to natural gas.Present invention also offers a kind of natural gas acquisition methods, utilize the bottom of the heat zone bottom gas hydrates reservoir to gravity assisted heat pipe to heat, significantly reduce development cost and eliminate potential external contamination risk.
For solving the problems of the technologies described above, the invention provides a kind of natural gas acquisition device, comprising:
Sleeve pipe, described sleeve pipe comprises sleeve pipe radiating segment and is arranged at the sleeve pipe heating section bottom described sleeve pipe radiating segment, and described sleeve pipe radiating segment outer wall and sleeve pipe heating section outer wall are equipped with perforation;
Gravity assisted heat pipe, described gravity assisted heat pipe top is arranged in described sleeve pipe radiating segment, and described gravity assisted heat pipe bottom is arranged in sleeve pipe heating section.
Preferably, described gravity assisted heat pipe comprises the annular seal space arranged in it and the phase change medium be arranged in described annular seal space.
Preferably, the quantity of described gravity assisted heat pipe is multiple, and multiple described gravity assisted heat pipe is end to end by connector successively.
Preferably, also comprise packer, described packer comprises the first packer accessory be arranged at bottom described sleeve pipe radiating segment and the second packer accessory being arranged at described sleeve pipe heating section top.
Preferably, also comprise draw bar, described draw bar is affixed to be arranged at described gravity assisted heat pipe top and to extend and be connected to described cannula tip and be connected with described jacket exterior.
A kind of natural gas acquisition methods, is applied to the natural gas acquisition device in technique scheme described in any one, comprises step:
1) enter sleeve pipe under and enter heat zone below gas hydrates reservoir and described gas hydrates reservoir;
2) in described sleeve pipe, gas hydrates Reservoir Section place and high temperature interval place arrange gravity assisted heat pipe;
3) bottom of described gravity assisted heat pipe absorbs the heat in described heat zone, and is passed to the top of the described gravity assisted heat pipe being arranged at described gas hydrates Reservoir Section;
4) by conducting the heat of coming, described gas hydrates reservoir is heated.
Natural gas acquisition device provided by the present invention, be provided with sleeve pipe and gravity assisted heat pipe, described sleeve pipe comprises sleeve pipe radiating segment and is arranged at the sleeve pipe heating section bottom described sleeve pipe radiating segment, and described sleeve pipe radiating segment outer wall and sleeve pipe heating section outer wall are equipped with perforation; Described gravity assisted heat pipe top is arranged in described sleeve pipe radiating segment, and described gravity assisted heat pipe bottom is arranged in sleeve pipe heating section.In the course of the work, the lower absorbent of gravity assisted heat pipe enters into the heat in sleeve pipe heating section by perforation, and the heat of absorption is passed to gravity assisted heat pipe top place, after gravity assisted heat pipe top is heated, can by by perforation, the gas hydrates entered in sleeve pipe radiating segment heat, make it decompose and produce methane gas and aqueous water, along with increasing of sky hot gas decomposition of hydrate, the gas-liquid mixture obtained also increases gradually, pressure in gas hydrates reservoir is strengthened, after pressure is increased to certain degree, automatically cannula tip can be sprayed onto, which achieves the exploitation of gas hydrates.
Present invention also offers a kind of natural gas acquisition methods, the heat zone bottom gas hydrates reservoir is utilized to carry out heating the bottom of gravity assisted heat pipe, effectively utilize the origin of heat of the heat zone bottom gas hydrates reservoir as pyrolysismethod gas hydrates, this just This effectively reduces development cost and eliminates potential external contamination risk.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention, simple introduction is done below by the accompanying drawing used required in embodiment, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is natural gas acquisition device structural representation provided by the present invention;
Fig. 2 is gravity assisted heat pipe structural representation in natural gas acquisition device provided by the present invention.
In accompanying drawing, 1 is sleeve pipe, and 11 is perforation, and 2 is gravity assisted heat pipe, and 21 is annular seal space, and 22 is phase change medium, and 23 is connector, 31 first packer accessories, 32 second packer accessories, and 4 is draw bar, and 5 is gas hydrates reservoir, and 6 is heat zone.
L1 is the flow direction of the heat of heat radiation, and L2 is the heat flow direction absorbed, and L3 is the direction of motion of phase change medium 22.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not making under creative work prerequisite, and the every other embodiment obtained, all belongs to scope.
In order to make those skilled in the art person understand the present invention program better, below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
Please refer to accompanying drawing 1 and accompanying drawing 2, Fig. 1 is natural gas acquisition device structural representation provided by the present invention; Fig. 2 is gravity assisted heat pipe structural representation in natural gas acquisition device provided by the present invention.
The invention provides a kind of natural gas acquisition device, comprising:
Sleeve pipe 1, described sleeve pipe 1 comprises sleeve pipe radiating segment and is arranged at the sleeve pipe heating section bottom described sleeve pipe radiating segment, and described sleeve pipe radiating segment outer wall and sleeve pipe heating section outer wall are equipped with perforation 11;
Gravity assisted heat pipe 2, described gravity assisted heat pipe 2 top is arranged in described sleeve pipe radiating segment, and described gravity assisted heat pipe 2 bottom is arranged in sleeve pipe heating section.
Wherein, as shown in Figure 1, preferably perforation 11 is set to perforation 11 well, cavity can be formed in sleeve pipe 1.
In the present embodiment, to be entered into the heat in sleeve pipe heating section by perforation 11 by the lower absorbent of gravity assisted heat pipe 2, and the heat of absorption is passed to gravity assisted heat pipe 2 top place, after gravity assisted heat pipe 2 top is heated, the gas hydrates entered in sleeve pipe radiating segment by perforation 11 can be heated, make it decompose and produce methane gas and aqueous water, along with increasing of sky hot gas decomposition of hydrate, the gas-liquid mixture obtained also increases gradually, pressure in gas hydrates reservoir 5 is strengthened, after pressure is increased to certain degree, automatically sleeve pipe 1 top can be sprayed onto, which achieves the exploitation of gas hydrates.
In order to optimize above-described embodiment further, described gravity assisted heat pipe 2 comprises the annular seal space 21 arranged in it and the phase change medium 22 be arranged in annular seal space 21.In order to effectively heat bottom gravity assisted heat pipe 2 be conducted to top, in the present embodiment, preferred employing heat conduction with phase change, by adding phase change medium 22 in annular seal space 21, phase change medium 22 is heated in the bottom of gravity assisted heat pipe 2 and can be converted into steam rising, when behind arrival gravity assisted heat pipe 2 top, because of the change of temperature, again be converted into liquid, the bottom of gravity assisted heat pipe 2 is again back to by annular seal space 21 body inwall, so just make to which form heat conducting circulation, also further avoid the loss of heat in conductive process, and this structure is simple, and also mustn't want providing of external force, effectively improve its operating efficiency.Wherein, phase change medium 22 can be diversified, as water, formaldehyde, acetone and freon, all can realize the function of phase-change heat transfer.Suitable phase change medium 22 can be selected particularly according to the actual temp of gas hydrates reservoir 5 and heat zone 6 Distance geometry heat zone 6 in the vertical.
Further again, the quantity of described gravity assisted heat pipe 2 is multiple, and multiple described gravity assisted heat pipe 2 is end to end by connector 23 successively.Those skilled in the art are known, sleeve pipe 1 more up its temperature is lower, therefore when running into the distance between sleeve pipe heating section and sleeve pipe radiating segment and being long, in order to ensure maximum heat transfer efficiency, multiple gravity assisted heat pipe 2 can be set, and by connector 23 it be joined end to end successively and connect.Because each described gravity assisted heat pipe 2 is mutually independent, an independent heat transfer unit can be formed respectively, heat is upwards transmitted successively from bottom, doing so avoids heat and run off in transmittance process.Should explanatorily, the material of connection end, need adopt the material with stronger heat transmission function to make, to guarantee the efficiency of each gravity assisted heat pipe 2 when heat conduction.
Wherein, also it should be noted that the quantity of gravity assisted heat pipe 2, length and built-in working media, the efficiency of the condition that the distance of foundation sleeve pipe radiating segment distance sleeve pipe heating section, transport are constructed and from bottom to top heat trnasfer is determined.
In the present invention one specific embodiment, also comprise packer, described packer comprises the first packer accessory 31 be arranged at bottom described sleeve pipe radiating segment and the second packer accessory 32 being arranged at described sleeve pipe heating section top.Packer can effectively prevent by parts casing pipe 1 under the gas of gas hydrates reservoir 5 output, liquid mixture inflow radiating tube, and the situation causing gravity assisted heat pipe 2 heat conduction efficiency to reduce occurs.This also further increases gravity assisted heat pipe 2 conduction efficiency.In the course of the work, in order to strengthen the lifting of conduction efficiency further, by the cooperation between the first packer accessory 31 and the second packer accessory 32, it is made to form heat transfer chamber, as shown in Figure 1; In heat transfer chamber, the gravity heat-transfer pipe that the gravity assisted heat pipe 2 being arranged at bottommost can be connected with Yu Qixiang is separated, gravity assisted heat pipe 2 because of bottommost is arranged in sleeve pipe heating section, therefore the operating efficiency of this gravity assisted heat pipe 2 is the highest, this gravity assisted heat pipe 2 by heat conduction as in heat transfer chamber, then can pass to other gravity assisted heat pipe 2 by heat transfer chamber.This temperature difference that just largely avoided two gravity assisted heat pipes 2 is little, and the situation causing heat transfer efficiency low occurs.Wherein, should explanatorily, in order to avoid the temperature leak in heat transfer chamber, heat transfer chamber should carry out insulation.
Certainly, the first packer accessory 31 and the second packer accessory 32 can also play the fixing effect of being hung by gravity assisted heat pipe 2, to ensure the separation of gravity assisted heat pipe 2 in heat transfer chamber.
In the present invention one specific embodiment, also comprise draw bar 4, described draw bar 4 is affixed to be arranged at described gravity assisted heat pipe 2 top and to extend and be connected to described sleeve pipe 1 top and described sleeve pipe 1 outside, when there is situation about damaging in the first packer accessory 31 and the second packer accessory 32, hold gravity assisted heat pipe 2, the situation avoiding gravity assisted heat pipe 2 to drop occurs, certainly, the gravity assisted heat pipe 2 that the gravity assisted heat pipe 2 of bottommost is adjacent need be adopted chain or other mode connect, only otherwise heat occurs directly to be transmitted.
In sum, natural gas acquisition device provided by the invention, to be entered into the heat in sleeve pipe heating section by perforation 11 by the lower absorbent of gravity assisted heat pipe 2, be delivered in heat transfer chamber, heat is passed to other gravity assisted heat pipe 2 by transfer chamber again, when heat is delivered to after the gravity assisted heat pipe 2 be arranged in sleeve pipe radiating segment, the gas hydrates entered in sleeve pipe radiating segment by perforation 11 can be heated, make it decompose and produce methane gas and aqueous water, along with increasing of sky hot gas decomposition of hydrate, the gas-liquid mixture obtained also increases gradually, pressure in gas hydrates reservoir 5 is strengthened, after pressure is increased to certain degree, automatically sleeve pipe 1 top can be sprayed onto, which achieves the exploitation of gas hydrates.
Present invention also offers a kind of natural gas acquisition methods, be applied to the natural gas acquisition device in technique scheme described in any one, comprise step:
1) enter sleeve pipe under and enter heat zone below gas hydrates reservoir and described gas hydrates reservoir;
2) in described sleeve pipe, gas hydrates Reservoir Section place and high temperature interval place arrange gravity assisted heat pipe;
3) bottom of described gravity assisted heat pipe absorbs the heat in described heat zone, and is passed to the top of the described gravity assisted heat pipe being arranged at described gas hydrates Reservoir Section;
4) by conducting the heat of coming, described gas hydrates reservoir is heated.
Wherein, heat zone can be the higher reservoir of high temperature, high pressure water layer or hot dry rock equitemperature.
A kind of natural gas acquisition methods that the embodiment of the present invention provides, the heat zone 6 bottom gas hydrates reservoir 5 is utilized to carry out heating the bottom of gravity assisted heat pipe 2, effectively utilize the origin of heat of the heat zone 6 bottom gas hydrates reservoir 5 as pyrolysismethod gas hydrates, this just This effectively reduces development cost and eliminates potential external contamination risk.
In conjunction with the various embodiments described above, its concrete work progress can with reference to following content:
First during drilling well, drill described gas hydrates reservoir 5 and xeothermic rock stratum successively, then under enter sleeve pipe 1 and inject cement to cement the well, carry out perforation 11 at gas hydrates reservoir 5 and hot dry rock interval respectively to arrange, in order to be communicated with sleeve pipe 1 and gas hydrates reservoir 5 reservoir, sleeve pipe enters xeothermic rock stratum 1 time.
In the annular seal space 21 of gravity assisted heat pipe 2, the gravity assisted heat pipe 2 of filling phase change medium 22, two ends sealing is connected with each other by described connector 23, constantly enter down in sleeve pipe 1 simultaneously, when gravity assisted heat pipe 2 length combined equals gas hydrates reservoir 5 to the distance of xeothermic rock stratum, stop connecting gravity assisted heat pipe 2, the described combination gravity assisted heat pipe 2 connected is connected on draw bar 4, one removes in sleeve pipe 1, make described combination gravity assisted heat pipe 2 upper end be positioned at gas hydrates reservoir 5, lower end is positioned at hot dry rock layer.
Under enter two groups of packers in sleeve pipe 1, the first packer accessory 31 is positioned at described gas hydrates reservoir 5 sections of lower ends, and packer accessory is positioned at described hot dry rock interval upper end, makes it form heat transfer chamber, and carries out insulation.
The principle that a kind of natural gas acquisition device provided by the present invention and method adopt is:
Because xeothermic rock temperature is higher, heated gravity assisted heat pipe 2 lower end, in gravity assisted heat pipe 2 annular seal space 21, phase change medium 22 absorbs heat, arrow L1 as shown in Figure 2, becomes gaseous state from liquid state, and gaseous state again forms liquid phase after rising to upper end release heat and flows downward along annular seal space 21 inwall gets back to the bottom of annular seal space 21, again to absorb heat, carry out circulating phase-change next time, the top simultaneously heat being upwards delivered to annular seal space 21 exports, arrow L2 as shown in Figure 2; Thereafter, gravity assisted heat pipe 2 realizes heat transmission from bottom to top.So hand on, the heat of hot dry rock layer is delivered in the sleeve pipe 1 of gas hydrates reservoir 5 sections the most at last, and heats gas hydrates, makes it decompose and produces methane gas and aqueous water; Along with increasing of gas hydrate dissociation, the gas obtained, liquid mixture also increase gradually, and the pressure in gas hydrates reservoir 5 is increased, and from the top ports being sprayed onto sleeve pipe 1 after pressure is increased to some values, realize the exploitation of gas hydrates.
Above a kind of natural gas acquisition device provided by the present invention and method are described in detail.Apply specific case herein to set forth principle of the present invention and embodiment, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping.It should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention, can also carry out some improvement and modification to the present invention, these improve and modify and also fall in the protection domain of the claims in the present invention.
Claims (6)
1. a natural gas acquisition device, is characterized in that, comprising:
Sleeve pipe (1), described sleeve pipe (1) comprises sleeve pipe radiating segment and is arranged at the sleeve pipe heating section bottom described sleeve pipe radiating segment, and described sleeve pipe radiating segment outer wall and sleeve pipe heating section outer wall are equipped with perforation (11);
Gravity assisted heat pipe (2), described gravity assisted heat pipe (2) top is arranged in described sleeve pipe radiating segment, and described gravity assisted heat pipe (2) bottom is arranged in sleeve pipe heating section.
2. natural gas acquisition device as claimed in claim 1, it is characterized in that, described gravity assisted heat pipe (2) comprises the annular seal space (21) arranged in it and the phase change medium (22) be arranged in described annular seal space (21).
3. natural gas acquisition device as claimed in claim 2, it is characterized in that, the quantity of described gravity assisted heat pipe (2) is multiple, and multiple described gravity assisted heat pipe (2) is end to end by connector (23) successively.
4. natural gas acquisition device as claimed in claim 3, it is characterized in that, also comprise packer, described packer comprises the first packer accessory (31) be arranged at bottom described sleeve pipe radiating segment and the second packer accessory (32) being arranged at described sleeve pipe heating section top.
5. natural gas acquisition device as claimed in claim 4, it is characterized in that, also comprise draw bar (4), described draw bar (4) is affixed to be arranged at described gravity assisted heat pipe (2) top and to extend and be connected to described sleeve pipe (1) top and be connected with described sleeve pipe (1) is outside.
6. a natural gas acquisition methods, is applied to the natural gas acquisition device as described in claim 1-5 any one, it is characterized in that, comprise step:
1) enter sleeve pipe under and enter heat zone below gas hydrates reservoir and described gas hydrates reservoir;
2) in described sleeve pipe, gas hydrates Reservoir Section place and high temperature interval place arrange gravity assisted heat pipe;
3) bottom of described gravity assisted heat pipe absorbs the heat in described heat zone, and is passed to the top of the described gravity assisted heat pipe being arranged at described gas hydrates Reservoir Section;
4) by conducting the heat of coming, described gas hydrates reservoir is heated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762229.3A CN105275436A (en) | 2015-11-10 | 2015-11-10 | Natural gas acquiring device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510762229.3A CN105275436A (en) | 2015-11-10 | 2015-11-10 | Natural gas acquiring device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105275436A true CN105275436A (en) | 2016-01-27 |
Family
ID=55145168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510762229.3A Pending CN105275436A (en) | 2015-11-10 | 2015-11-10 | Natural gas acquiring device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105275436A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106884637A (en) * | 2017-03-29 | 2017-06-23 | 中国石油大学(华东) | Shale gas thermal process and system |
| CN106968644A (en) * | 2017-03-24 | 2017-07-21 | 青岛海洋地质研究所 | A kind of Gas Hydrate In Sea Areas hot extractor based on thermal generator |
| CN107044275A (en) * | 2017-03-29 | 2017-08-15 | 中国石油大学(华东) | Utilize deep geothermal resources thermal recovery shale gas method and system |
| CN107859505A (en) * | 2017-10-31 | 2018-03-30 | 中国石油大学(北京) | A kind of gas hydrates stable point of increasing device adopted and method |
| CN108049856A (en) * | 2018-01-30 | 2018-05-18 | 程煦 | A kind of shale gas exploitation system using heat storage technology |
| CN108104784A (en) * | 2018-01-30 | 2018-06-01 | 程煦 | A kind of shale gas exploitation system using hot pipe technique |
| CN112761590A (en) * | 2021-01-21 | 2021-05-07 | 中国矿业大学 | Natural gas hydrate indirect displacement mining method based on gravity separation |
| CN114320242A (en) * | 2022-01-26 | 2022-04-12 | 福州大学 | Natural gas hydrate exploitation area stratum energy compensation device and application method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1786416A (en) * | 2005-12-22 | 2006-06-14 | 中国石油大学(华东) | Method for extracting hydrate on bottom of sea by deep earth heart water circulation |
| CN101864937A (en) * | 2010-05-11 | 2010-10-20 | 中国地质大学（武汉） | Process for exploiting ocean gas hydrate by utilizing terrestrial heat |
| US20140041871A1 (en) * | 2012-08-13 | 2014-02-13 | Chevron U.S.A. Inc. | Initiating Production of Clathrates by Use of Thermosyphons |
| RU2528806C1 (en) * | 2013-07-04 | 2014-09-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ФГБОУ ВПО "КубГТУ") | Production of gas from gas hydrates |
| CN105003237A (en) * | 2015-06-11 | 2015-10-28 | 中国石油大学(华东) | Apparatus and method for integrated processing of natural gas hydrate exploitation by geothermy and waste CO2 reinjection |
| CN205117306U (en) * | 2015-11-10 | 2016-03-30 | 青岛海洋地质研究所 | Natural gas acquisition device |
-
2015
- 2015-11-10 CN CN201510762229.3A patent/CN105275436A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1786416A (en) * | 2005-12-22 | 2006-06-14 | 中国石油大学(华东) | Method for extracting hydrate on bottom of sea by deep earth heart water circulation |
| CN101864937A (en) * | 2010-05-11 | 2010-10-20 | 中国地质大学（武汉） | Process for exploiting ocean gas hydrate by utilizing terrestrial heat |
| US20140041871A1 (en) * | 2012-08-13 | 2014-02-13 | Chevron U.S.A. Inc. | Initiating Production of Clathrates by Use of Thermosyphons |
| RU2528806C1 (en) * | 2013-07-04 | 2014-09-20 | Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Кубанский государственный технологический университет" (ФГБОУ ВПО "КубГТУ") | Production of gas from gas hydrates |
| CN105003237A (en) * | 2015-06-11 | 2015-10-28 | 中国石油大学(华东) | Apparatus and method for integrated processing of natural gas hydrate exploitation by geothermy and waste CO2 reinjection |
| CN205117306U (en) * | 2015-11-10 | 2016-03-30 | 青岛海洋地质研究所 | Natural gas acquisition device |
Non-Patent Citations (1)
| Title |
|---|
| 郭小哲 等: "《气井水合物监测与预警》", 31 March 2013 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106968644A (en) * | 2017-03-24 | 2017-07-21 | 青岛海洋地质研究所 | A kind of Gas Hydrate In Sea Areas hot extractor based on thermal generator |
| CN106968644B (en) * | 2017-03-24 | 2018-05-22 | 青岛海洋地质研究所 | A kind of Gas Hydrate In Sea Areas hot extractor based on thermoelectric generator |
| CN106884637A (en) * | 2017-03-29 | 2017-06-23 | 中国石油大学(华东) | Shale gas thermal process and system |
| CN107044275A (en) * | 2017-03-29 | 2017-08-15 | 中国石油大学(华东) | Utilize deep geothermal resources thermal recovery shale gas method and system |
| CN107859505A (en) * | 2017-10-31 | 2018-03-30 | 中国石油大学(北京) | A kind of gas hydrates stable point of increasing device adopted and method |
| CN108049856A (en) * | 2018-01-30 | 2018-05-18 | 程煦 | A kind of shale gas exploitation system using heat storage technology |
| CN108104784A (en) * | 2018-01-30 | 2018-06-01 | 程煦 | A kind of shale gas exploitation system using hot pipe technique |
| CN108049856B (en) * | 2018-01-30 | 2019-06-14 | 程煦 | A kind of shale gas exploitation system using heat storage technology |
| CN112761590A (en) * | 2021-01-21 | 2021-05-07 | 中国矿业大学 | Natural gas hydrate indirect displacement mining method based on gravity separation |
| CN114320242A (en) * | 2022-01-26 | 2022-04-12 | 福州大学 | Natural gas hydrate exploitation area stratum energy compensation device and application method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105275436A (en) | Natural gas acquiring device and method | |
| CN104533514B (en) | Hot displacement type enhanced gas extraction method in one kind drilling | |
| EP3114349B1 (en) | Process and system for producing geothermal power | |
| CN106968601B (en) | Exploit the casing programme and method of dry-hot-rock geothermal resource | |
| CN107816340B (en) | Process method for thermally extracting shale gas by combining high-power ultrasonic waves with branch horizontal well | |
| NZ607028A (en) | Apparatus and method for downhole steam generation and enhanced oil recovery | |
| CN107143313B (en) | A kind of water filling exploitation of geothermal energy and hydrate are hidden simultaneously well construction design and method | |
| CN105840159A (en) | Natural gas hydrate extraction device and extraction method based on solar technology | |
| CN105201481A (en) | Liquid CO2 phase transition multipoint fracturing and permeability increasing method | |
| WO2014075071A3 (en) | Enchanced carbon dioxide-based geothermal energy generation systems and methods | |
| CN109403917A (en) | The technique for improving geothermal well Thermogenesis | |
| CN105674608A (en) | Device and method for extracting and utilizing geothermal energy | |
| US20210356174A1 (en) | Well completion converting a hydrocarbon production well into a geothermal well | |
| CN103362476A (en) | Casing type downhole heat exchanger heating system capable of preventing wall of producing well from paraffin precipitation | |
| CA3080196A1 (en) | Heavy oil steam injection method using downhole supercritical water combustion | |
| CN102852502B (en) | Intelligent steam distribution process pipe column for horizontal steam injection well | |
| CN205117306U (en) | Natural gas acquisition device | |
| CN202991002U (en) | Shale gas output increasing equipment | |
| CN105546860A (en) | Device and method for extracting and using geothermal energy | |
| CN206860160U (en) | The gas yield-increasing apparatus of coal measures three | |
| CN201053309Y (en) | Down-hole filter for water filling well | |
| CN113639304A (en) | Forced convection heat exchange type geothermal water horizontal well single well heat supply system | |
| CN201090193Y (en) | Discharging-aid arrangement for injecting nitrogen gas into thick oil well | |
| CN204830951U (en) | Reinforce deep rock stratum heat transfer system in underground of heat transfer | |
| CN109736754A (en) | A kind of device and method using hot dry rock exploitation of gas hydrate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160127 |