EP0629769B1 - Verfahren und Vorrichtung zum Aussolen von Kavernen in Salzformationen - Google Patents
Verfahren und Vorrichtung zum Aussolen von Kavernen in Salzformationen Download PDFInfo
- Publication number
- EP0629769B1 EP0629769B1 EP94109174A EP94109174A EP0629769B1 EP 0629769 B1 EP0629769 B1 EP 0629769B1 EP 94109174 A EP94109174 A EP 94109174A EP 94109174 A EP94109174 A EP 94109174A EP 0629769 B1 EP0629769 B1 EP 0629769B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cavern
- gas
- string
- flushing pipe
- gas delivery
- 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.)
- Expired - Lifetime
Links
- 238000000034 method Methods 0.000 title claims description 21
- 150000003839 salts Chemical class 0.000 title claims description 18
- 238000002386 leaching Methods 0.000 title claims 7
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000005755 formation reaction Methods 0.000 title 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 58
- 239000007789 gas Substances 0.000 claims description 47
- 239000003345 natural gas Substances 0.000 claims description 29
- 238000011010 flushing procedure Methods 0.000 claims description 19
- 238000003860 storage Methods 0.000 claims description 12
- 239000011435 rock Substances 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 2
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 30
- 239000012267 brine Substances 0.000 description 27
- 238000004519 manufacturing process Methods 0.000 description 12
- 238000009937 brining Methods 0.000 description 7
- 239000013505 freshwater Substances 0.000 description 7
- 238000005259 measurement Methods 0.000 description 4
- 238000012994 industrial processing Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000010926 purge Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- HOWJQLVNDUGZBI-UHFFFAOYSA-N butane;propane Chemical compound CCC.CCCC HOWJQLVNDUGZBI-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000010771 distillate fuel oil Substances 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000010169 landfilling Methods 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005185 salting out Methods 0.000 description 1
- 230000036186 satiety Effects 0.000 description 1
- 235000019627 satiety Nutrition 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
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
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/28—Dissolving minerals other than hydrocarbons, e.g. by an alkaline or acid leaching agent
Definitions
- the invention relates to a method and a device for salting out salt caverns for storing Natural gas.
- the brining of caverns in the salt rock serves to create cavities for storing liquid or gaseous substances and for landfilling.
- the creation of caverns for storing natural gas with a usable volume of up to 700,000 m 3 is of great importance for the energy supply of municipal and industrial customers.
- the depth and the geometric shape of the salt cavern are determined by the mountain structure as well as by a geomechanical calculation and evaluation.
- a cavern bore is initially used for the brine then cavern hose through the overburden sunk into the salt dome and through a Cemented pipe tour reaching to the cavern roof secured.
- this cemented pipe tour there are two concentrically interlinked flushing pipe strands, the outer Flush pipe tour, built-in.
- a blanket medium is pumped in.
- This blank medium consists of mineral oil, for example light Fuel oil or a liquefied propane-butane mixture. Because of the blanket medium covers the lower density compared to the brine the current cavern roof while soling from and thereby prevents a solitary in the on preferred direction of resolution takes place upwards. In this way, a controlled bridging in the underlying cavern area guaranteed.
- the brine is usually used as a combination both procedures with the help of a computer-aided Sol simulation process carried out.
- the sol technology development of the cavern is dependent on the respective brine process - directly or indirectly - and on the sedimentation level of the rinsing pipes and the sol rate.
- the blanket level is kept at the same depth as possible during the individual Aussappel phases.
- the use of larger blanket quantities to cover large volume areas is associated with considerable financial expenditure with the blanket media already mentioned.
- approx. 50,000 m 3 of light heating oil with costs of approx. DM 25 million are required. This is not economically justifiable.
- the brine that arises when brining caverns is either derived for industrial processing, in deep rock layers lowered or environmentally friendly Pumped sea or in river systems near the sea.
- Natural gas is stored in a cavern in the way that natural gas from the network, for example one Gas pipeline, via a measuring station and an upstream one Separator is fed to a compressor. After compressing to cavern pressure, the next one goes Path through an operational measurement and gas field lines in the cavern well.
- Natural gas is withdrawn from a cavern in the way that the natural gas through the gas field lines, the Operational measurement and the cutter as well as preheating gets into a relaxation control.
- Natural gas from the high cavern head pressure to that in the Usually lower gas pipeline pressure relaxes.
- Of the Regulation is followed by gas drying and again a handover measurement to register the in the Quantity of gas fed into the grid.
- the problem underlying the invention is a method and a facility for brining salt caverns for the storage of natural gas to create that is inexpensive can be carried out.
- An inventive device for performing the Process for brining salt caverns for storage of natural gas consists of one in the overburden and in the Salt cemented pipe tour to the cavern roof, one sealed in it, also up to Cavern roof-reaching gas production tour with an open-air located, intended for later gas operation Gas delivery head and underground equipment, one of the Annulus between the cemented pipe tour and the Gas extraction tour filling protective liquid, one in the gas production tour hooked up, variable in length outer flushing pipe tour below the blanket level and one hooked into the outer flush pipe tour, variable length, inner flush pipe tour, whereby the outer and inner flush pipe tours after completion of the brine process remain in the gas production tour.
- the device according to the invention thus already exists from underground equipment for later gas operation and the gas delivery head above ground; she points additionally only the outer flush pipe tour and the inner one Rinse pipe tour to be able to separate the cavern.
- An advantage of the method according to the invention and of that device used is that the Blanket medium natural gas at any time for supply purposes remove from the partially isolated cavern or into the cavern can be saved. For this, however, the soling must be temporarily interrupted.
- the annulus between the outer Pipe tour 1 and the gas production tour 3 is through one Protective liquid 4 filled out.
- a pressure line 5 for natural gas is connected as blanket medium. This pressure line 5 is also with the above ground system for storing and withdrawing Natural gas in connection.
- An outer purge pipe tour 6 is in the gas production tour 3 and an inner flushing pipe tour 8 hooked in; the outer Flushing pipe tour 6 is in the indirect brine process with a Pressure line 7 for fresh water and direct Sole for brine and the inner flushing pipe tour 8 with one Pressure line 9 - in the indirect brine process for brine as well as in the direct brining for fresh water - in connection.
- the direct soling differs from the indirect one Sol process in that the necessary for brining the cavern Fresh water through the pressure line 9 and the inner Flushing pipe tour 8 is initiated in the cavern and to the blanket mirror 17 rises. The saturated brine then passes through the annulus of the inner flush pipe tour 8 and the outer flush pipe tour 6 into the pressure line 7.
- FIG. 2 From Fig. 2 it can be seen how by adjusting the Blanket mirror 17 a cavern roof 15 in the desired Location developed without doing so in an undesirable manner to hike upstairs.
- the finished cavern 14 can be seen in FIG. 5; she is mostly still filled with brine by pressing of natural gas 18 through the inner purge pipe tour 8 Will get removed.
- Both the outer flush pipe tour 6 and the inner one Flushing pipe tour 8 can be adjusted in height in the cavern that the soling with reference to the blanket mirror 17 and the chosen sol process (indirect or directly) always works in the most effective way.
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)
Description
- Fig. 1
- den Beginn des Aussolens nach dem Abteufen der Kavernenbohrung,
- Fig. 2
- eine Kaverne, nachdem sie zu etwa einem Drittel fertiggestellt ist,
- Fig. 3
- die Kaverne, nachdem sie etwa zu zwei Dritteln fertiggestellt ist, mit einer Fehlsolung,
- Fig. 4
- eine Darstellung der Beseitigung einer Fehlsolung und
- Fig. 5
- die im wesentlichen fertiggestellte Kaverne.
Claims (3)
- Verfahren zum Aussolen von Salzkavernen für das Speichern von Erdgas mit Verwendung des bei den in der Kaverne herrschenden Drücken und Temperaturen gasförmig bleibenden späteren Speichermediums Erdgas als Blanketmedium, dadurch gekennzeichnet, daß das als Blanketmedium verwendete Erdgas für den Gasbetrieb in der ausgesolten Kaverne verbleibt.
- Verfahren nach Anspruch 1, bei demzum Aussolen eine für den späteren Gasbetrieb vorgesehene, eine Gasfördertour aufweisende Untertageausrüstung mit einem übertage befindlichen Gasförderkopf und konzentrischen, längenveränderlichen Spülrohrtouren in das Deckgebirge eingebracht,das Aussolen über die Spülrohrtouren durchgeführt wird, dabeidas in der ausgesolten Kaverne zu speichernde, bei den in der Kaverne herrschenden Drücken und Temperaturen gasförmig bleibende Speichermedium Erdgas als Blanketmedium mit einem solchen Druck in die Kaverne eingespeichert wird, daß sich ein vorgegebener Blanketspiegel einstellt,die freien Enden der inneren und/oder der äußeren Spülrohrtour in Abhängigkeit vom einzustellenden Blanketspiegel verschoben werden unddie Spülrohrtouren nach Beendigung des Aussolens in der Gasfördertour verbleiben.
- Einrichtung zur Durchführung des Verfahrens nach Anspruch 1 oder 2 zum Aussolen von Salzkavernen für das Speichern von Erdgas miteiner im Deckgebirge (11) und im Salzstock (13) bis zum Kavernendach (15) einzementierten Rohrtour (1),einer darin abgedichtet eingehängten, ebenfalls bis zum Kavernendach reichenden Gasfördertour (3) mit einem übertage befindlichen, für den späteren Gasbetrieb vorgesehenen Gasförderkopf und einer Untertageausrüstung,einer den Ringraum zwischen der einzementierten Rohrtour und der Gasfördertour ausfüllenden Schutzflüssigkeit,einer in die Gasfördertour eingehängten, längenveränderlichen, bis unterhalb des Blanketspiegels reichenden äußeren Spülrohrtour (6) undeiner in die äußere Spülrohrtour eingehängten, längenveränderlichen, inneren Spülrohrtour (8), wobeidie äußeren und inneren Spülrohrtouren (6, 8) nach Beendigung des Solprozesses in der Gasfördertour (3) verbleiben.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19934319941 DE4319941C3 (de) | 1993-06-16 | 1993-06-16 | Verfahren und Vorrichtung zum Aussolen von Salzkavernen |
DE4319941 | 1993-06-16 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0629769A2 EP0629769A2 (de) | 1994-12-21 |
EP0629769A3 EP0629769A3 (de) | 1995-06-28 |
EP0629769B1 true EP0629769B1 (de) | 1998-11-18 |
Family
ID=6490459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP94109174A Expired - Lifetime EP0629769B1 (de) | 1993-06-16 | 1994-06-15 | Verfahren und Vorrichtung zum Aussolen von Kavernen in Salzformationen |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0629769B1 (de) |
DE (2) | DE4319941C3 (de) |
DK (1) | DK0629769T3 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4319941C3 (de) * | 1993-06-16 | 2002-08-08 | Thyssen Gas | Verfahren und Vorrichtung zum Aussolen von Salzkavernen |
DE29515531U1 (de) * | 1995-09-29 | 1995-12-21 | Ugs Untergrundspeicher Und Geo | Vorrichtung zur Absicherung gegen einen unzulässigen Druckaufbau |
DE10130454B4 (de) * | 2001-06-21 | 2009-05-07 | Hein Gas Hamburger Gaswerke Gmbh | Verfahren und Anlage zur Aufbereitung und Konditionierung von Brauchwasser und Sole |
EA009798B1 (ru) * | 2006-11-10 | 2008-04-28 | Открытое Акционерное Общество "Белгорхимпром" | Способ поиска, разведки, исследования, оценки и прогнозирования разработки залежи калийных руд |
CN102606146B (zh) * | 2012-02-21 | 2014-12-10 | 重庆大学 | 一种模拟多夹层盐岩地质条件的造腔模型试验方法 |
CN103075140B (zh) * | 2012-12-31 | 2015-06-17 | 陈建明 | 一种实现薄盐层溶蚀连通的装置及方法 |
WO2018114013A1 (de) | 2016-12-23 | 2018-06-28 | Ewe Gasspeicher Gmbh | Verfahren zum aussolen einer kaverne, damit hergestellte kaverne, verfahren zum herstellen einer energiespeichereinrichtung und damit hergestellte energiespeichereinrichtung |
WO2018114012A1 (de) * | 2016-12-23 | 2018-06-28 | Ewe Gasspeicher Gmbh | Einrichtung und verfahren zum speichern von energie sowie verwendung einer kaverne |
CN113338890A (zh) * | 2021-06-19 | 2021-09-03 | 张铭泰 | 一种岩盐溶腔储能释能装置及操作方法 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3366419A (en) * | 1964-11-12 | 1968-01-30 | Exxon Research Engineering Co | Process for solution mining kci deposits |
US3632171A (en) * | 1970-02-04 | 1972-01-04 | Allied Chem | Method of controlling growth of brine wells |
DE4319941C3 (de) * | 1993-06-16 | 2002-08-08 | Thyssen Gas | Verfahren und Vorrichtung zum Aussolen von Salzkavernen |
-
1993
- 1993-06-16 DE DE19934319941 patent/DE4319941C3/de not_active Expired - Fee Related
- 1993-06-16 DE DE9312955U patent/DE9312955U1/de not_active Expired - Lifetime
-
1994
- 1994-06-15 DK DK94109174T patent/DK0629769T3/da active
- 1994-06-15 EP EP94109174A patent/EP0629769B1/de not_active Expired - Lifetime
Non-Patent Citations (3)
Title |
---|
DIP.-ING. GOTTHARD FÜRER: "Behälterlose Untertagespeicherung von Gas", BERGBAU, vol. 34, no. 9, pages 416 - 426 * |
K. H. LUX ET AL.: "20 Jahre Erfahrung mit Salzkavernen", ERDÖL, ERDGAS, KOHLE, vol. 104, no. 2, HAMBURG/WIEN, pages 75 - 78 * |
R. ARMSTRONG: "Developing Cavern Storage in Western Canada", 23 September 1986, SOLUTION MINING RESEARCH INSTITUTE, WOODSTOCK, ILLINOIS, - * |
Also Published As
Publication number | Publication date |
---|---|
DE4319941A1 (de) | 1994-12-22 |
DE4319941C3 (de) | 2002-08-08 |
EP0629769A2 (de) | 1994-12-21 |
EP0629769A3 (de) | 1995-06-28 |
DK0629769T3 (da) | 1999-08-02 |
DE4319941C2 (de) | 1995-11-23 |
DE9312955U1 (de) | 1993-10-07 |
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