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US2934904A - Dual storage caverns - Google Patents

Dual storage caverns Download PDF

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Publication number
US2934904A
US2934904A US53205955A US2934904A US 2934904 A US2934904 A US 2934904A US 53205955 A US53205955 A US 53205955A US 2934904 A US2934904 A US 2934904A
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cavern
caverns
liquid
conduit
product
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Hurshel V Hendrix
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ConocoPhillips Co
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ConocoPhillips Co
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65GTRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING; SHOP CONVEYOR SYSTEMS; PNEUMATIC TUBE CONVEYORS
    • B65G5/00Storing fluids in natural or artificial cavities or chambers in the earth

Description

Hv V. HENDRIX DUAL. STORAGE CAVEIRNS May 3, 1960 Filed SeptI INVENTOR. H V HENDRIX ZORNEYS.

United Stat quently becomes encrusted with salt.

DUAL STORAGE CAVERNS Hurshel V. Hendrix, Bartlesville, Glila., assigner to Phillips Petroleum Company, a corporation of Delaware Application September 1, 1955, Serial No. 532,059 2 Claims. (Cl. 61.5)

these cavernsV are formed by dissolving with Water aV cavity within a salt bed. The material to be stored is then introduced into the cavern where it remains until it is to beA used. Many methods have been devised to remove such stored material, however, all of these methods have certain disadvantages. For example, these caverns are frequently quite deep and pumping costs are consequently4 quite high. If the pump is in the bottom of the well, maintenance is difficult, if not impossible without removing the entire pumping equipment. Frequently, the material can be removed by vaporization, however,` in this case, the heat exchange equipment fre One method employedhas been to displace the stored material with water or brine, however, many such caverns are located where water or brine is scarce and bulky brine orwater storage facilities are required above ground.` When such caverns are formed in salt beds, then brine must be used `-or the cavern will continually'be enlarged by further dissolving the salt infreshwater. VFreqliently, one using underground storage will have 'a productlwhich is high in demand in one season and a different product is in high demand during another season. For the most economical operation of processing equipment, such equipment should operate at a uniform rate on a year round basis. This invention is especially useful Where two such prod ucts are being produced. Examples of such products are liquid petroleum gas (LPG) and gasoline. The LPG has a high winter demand while gasoline has a high' v summer demand.

An object of this invention is to provide a novel storage system for storing dissimilar liquids underground.

Another object of this invention is to provide a storage system wherein the displacementliquid is always contained therein.

Still other objects, advantages and features of this ini, vention will be apparent to those skilled in the art having been given this disclosure.

'I he apparatus of this invention comprises two under ground caverns having a means of communication there between and containing the displacement liquid therein.

The method of this invention comprises containing a product liquid inone cavern, containing a displacement liquid in a second cavern and displacing said product liquid with said displacement liquid to remove said product liquid.

When only one product is to be stored, one cavern will generally be formed at a higher level than is the other cavern. The lower cavern will then be filled with a displacement liquid such as water or brine after which the liquid to be stored is forced into said lower cavern under pressure so as to force the displacement liquid 2,934,904 Patented May 3, 1960 through a conduit means to the upper cavern. VWhen it is desired to remove the stored liquid, the weight of the displacement liquid will force the stored liquid up and out of the cavern. On the other hand, whentwo products are to be stored during opposite seasons, the caverns can be at the same level or at different levels depending upon the cost of installation, nature of the formation in which the caverns are to be formed, etc. In this two product storage system, when one cavern is full of product the displacement liquid will be in the other cavern and if the caverns are of the same volume, as will usually be the case, the other cavern will be full of displacement liquid. The storage requirements will then change and the second liquid to be stored will be pumped into the cavern initially containing the displacement liquid there# by forcing said displacement liquid into the caverncontaining the first stored liquid and displacing same.

The two caverns will, in general, be of substantially equal volume, however it is within the scope of the invention to` use Vcaverns of different volumes. However,` if caverns of different volumes are used, auxiliary equipment will be required to remove the last portion of the product being stored in the larger of the two caverns. ln any case, provision will be made for passing liquid from a position near the bottom of one cavern to a position near the bottom of the second cavern and a product conduit will be installed in each cavern.

The advantages and features of this invention'can best be described by referring to the drawings of whichz Figure l is a sectional schematic diagram of caverns in a salt formation wherein two products are being stored with one cavern at an elevation greater than the other;

Figure 2 is a sectionalY schematic diagram of caverns in a salt formation wherein onel of said caverns is used for storing the displacement liquid, the connecting conduits being of different arrangement than is Figure 1; and

Figure 3l is a sectional' schematic -diagram of caverns in asaltformation' wherein both caverns are at the same Y.

lmunication from a position near thel bottom of"said caverns and passing overhead.

In the above drawings, the overhead conduit is most conveniently employed inV caverns of the same level wherein caverns located at different levels, the underground conduits or passage ways are most conveniently employed, however, it is within theV scope of this invention to use either communication means in either arrangement of caverns.

In the description of the drawings which follows, it will he assumed that the caverns are in salt formations, however, it should be understood that lsaid caverns can be in any impervious formation whether natural or artiiicial; that the displacement liquid is brine; that the product being stored in one cavern (product A) is LPG and the product being stored in the other cavern (product E in Figures l and 3) is gasoline.

Reerring to Figure 1, a cavern 1 is formed at a low level in salt bed 3 and cavern 2 is formed at a higher level. These caverns can be formed by any method known in the art, however, in a salt formation, one convenient method is to sink a shaft from the surface of the earth 4 to a position near the bottom of the desired cavern. A conduit is lowered into the shaft to a position near its bottom and a liner 5 is placed in the shaft from the earths surface to a position wherein it is desired that the top of the cavern be located. This liner is cemented in place by concrete 6. Water is then pumped through the first said conduit to the bo'ttom of the shaft wherein it dissolves salt forming the cavern, the brine so formed tlowing out through liner 5. After the cavern is formed, the rst conduit is removed and the liner can be capped such as by 7. A product line 8 is installed in liner 5. Cavern 2 is formed in the same manner leaving liner 9 and product conduit 10. The bottom of the two' caverns is then joined by conduit 11.

In the operation of this embodiment, sufficient brine is introduced, or left after preparation, to ll one of said caverns. LPG is then introduced into cavern 1 via co'nduit 8 and liner 5 ldisplacing the brine forcing it into cavern 2 via conduit 11. When the season for storing LPG is over, gasoline will be stored by passing it into cavern 2 via conduits 10 and liner 9 thereby pushing the brine back into cavern 1 displacing LPG which is removed via conduit 8. The following season, the cycle is reversed and LPG is again sto'red forcing the brine into cavern 2 displacing gasoline.

Referring to Figure 2, cavern 12 is formed in much the same manner as was cavern 1 of Figure 1 with the exception that 12a is formed by leaching or fracturing methods. Cavern 13 is formed as was caverns 2 and the bottom of cavern 13 is joined to the projection 12a by means of a conduit or liner 14. Cavern 12 is equipped with inlet- Yo'utlet conduit 15 cemented in place, said conduit 15 having a product conduit 16 installed therein. Cavern 13 is also equipped with an inlet-outlet conduit 17 and this conduit has an air line 18 installed therein. This line 18 can consist merely of a bleed vent or opening in conduit 17. Brine is introducedinto the system and then the material to be stored is passed via conduits 16 and 15 to cavern 12 displacing brine which passes via projection 12a and co'nduit 14 to cavern 13. This cavern will generally be opened to the atmosphere. Now when it is desirable to remove product from cavern 12, the pressure of the brine, being at a higher level, will force the stored product back up the conduits 15 and 16. Air from the atmosphere will lill in the space left in cavern 13.

Referring to Figure 3, two caverns 19 and 20 are formed in an impervious formation at about the same level. Like the caverns of Figures 1 and 2, these caverns that the gasoline would also have to be introduced under pressure since the brine is not elevated as it was in Figure 1. In the modification shown in the figure, a conduit 25 extends down through conduits 21 and 23 to a position near the bottom of the caverns. This conduit ZS connects to a trap 26 wherein any hydrocarbon which might be accidentally drawn olf with the brine, will be caught and bled off via conduit 27.

Several modifications have been suggested in the preceding discussion. Those skilled in the art will see many modifications which can be madepwithout departing from the scope of this invention.

I claim:

1. A method of storing and withdrawing, respectively, two different fluids, one being in relatively great supply while the other is in relatively short supply, said method comprising forcing the fluid which is in relatively great supply into one of two subterranean cavities, saidY other cavity containing said tluid which is in relatively short supply, said cavities being in open communication with each other at their lower ends via conduit means, said cavities being partially illed with a liquid which is heavier than, and immiscible with, said two liuids, thus forcing said liquid into4 said otherof said cavities and forcing the uid which is inr relatively short supply out of said other cavity. Y l Y 2. The method of claim 1 wherein the displacement liquid is brine, the lirst said fluid is liquid petroleum gas and the second said uid is gasoline.

References Cited in the le of this patent UNITED-STATES PATENTS Re. 24,318 Pattinson May 14, 1957 1,784,943 Muller Dec. 16, 1930 2,399,994 Feagin May 7, 1946 2,433,896 Gay Jan. 6, 1948 2,459,227 Keri Jan. 18, 1949 2,659,209 Phelps Nov. 17, 1953 2,661,062 Edholm Dec. 1, 1953 2,788,637 Benz Apr. 16, 1957 OTHER REFERENCES Quarry Storage for Heating Oils, pp. 42 and 43, The Oil & Gas Journal for July 6, 1953.

US2934904A 1955-09-01 1955-09-01 Dual storage caverns Expired - Lifetime US2934904A (en)

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Cited By (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3208537A (en) * 1960-12-08 1965-09-28 Reed Roller Bit Co Method of drilling
US3253414A (en) * 1962-07-06 1966-05-31 Phillips Petroleum Co Method and apparatus for operating underground storage caverns
US3385067A (en) * 1965-03-10 1968-05-28 Shell Oil Co Method of underground storage in a reservoir
US3438203A (en) * 1967-08-08 1969-04-15 Shell Oil Co Method of removing hydrocarbons from salt caverns
US4326820A (en) * 1978-11-28 1982-04-27 Gesellschaft Fur Strahlen-Und Umweltforschung Mbh Munchen Final depository for radioactive wastes
US20020096336A1 (en) * 1998-11-20 2002-07-25 Zupanick Joseph A. Method and system for surface production of gas from a subterranean zone
US20020189801A1 (en) * 2001-01-30 2002-12-19 Cdx Gas, L.L.C., A Texas Limited Liability Company Method and system for accessing a subterranean zone from a limited surface area
US20040035582A1 (en) * 2002-08-22 2004-02-26 Zupanick Joseph A. System and method for subterranean access
US20040050554A1 (en) * 2002-09-17 2004-03-18 Zupanick Joseph A. Accelerated production of gas from a subterranean zone
US20040108110A1 (en) * 1998-11-20 2004-06-10 Zupanick Joseph A. Method and system for accessing subterranean deposits from the surface and tools therefor
US20040244974A1 (en) * 2003-06-05 2004-12-09 Cdx Gas, Llc Method and system for recirculating fluid in a well system
US20050087340A1 (en) * 2002-05-08 2005-04-28 Cdx Gas, Llc Method and system for underground treatment of materials
US20050103490A1 (en) * 2003-11-17 2005-05-19 Pauley Steven R. Multi-purpose well bores and method for accessing a subterranean zone from the surface
US20050115709A1 (en) * 2002-09-12 2005-06-02 Cdx Gas, Llc Method and system for controlling pressure in a dual well system
US20050167156A1 (en) * 2004-01-30 2005-08-04 Cdx Gas, Llc Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement
US20050167119A1 (en) * 2002-10-03 2005-08-04 Cdx Gas, Llc Method and system for removing fluid from a subterranean zone using an enlarged cavity
US7090009B2 (en) 2002-09-12 2006-08-15 Cdx Gas, Llc Three-dimensional well system for accessing subterranean zones
US7222670B2 (en) 2004-02-27 2007-05-29 Cdx Gas, Llc System and method for multiple wells from a common surface location
US7264048B2 (en) * 2003-04-21 2007-09-04 Cdx Gas, Llc Slot cavity
US7571771B2 (en) 2005-05-31 2009-08-11 Cdx Gas, Llc Cavity well system
US8297350B2 (en) 1998-11-20 2012-10-30 Vitruvian Exploration, Llc Method and system for accessing subterranean deposits from the surface
US8376039B2 (en) 1998-11-20 2013-02-19 Vitruvian Exploration, Llc Method and system for accessing subterranean deposits from the surface and tools therefor
US8434568B2 (en) 1998-11-20 2013-05-07 Vitruvian Exploration, Llc Method and system for circulating fluid in a well system
WO2017009645A1 (en) * 2015-07-14 2017-01-19 Widow's Oil Limited Hydrocarbon exploitation

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1784943A (en) * 1928-07-13 1930-12-16 Muller Ignaz Separator for light liquids
US2399994A (en) * 1944-04-19 1946-05-07 Robert C Feagin Oil strainer
US2433896A (en) * 1943-04-16 1948-01-06 Frazer W Gay Means for storing fluids for power generation
US2459227A (en) * 1946-08-06 1949-01-18 Phillips Petroleum Co Underground reservoir for the storage of liquefied gases
US2659209A (en) * 1951-03-23 1953-11-17 Warren Petroleum Corp Underground liquid storage facility and the method of selecting and preparing the same
US2661062A (en) * 1949-06-28 1953-12-01 Edholm Harald Container for storing oil and like fluids
US2788637A (en) * 1952-12-04 1957-04-16 Phillips Petroleum Co Underground storage systems and improved method of operating
USRE24318E (en) * 1957-05-14 Method of storing gases or liquids

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
USRE24318E (en) * 1957-05-14 Method of storing gases or liquids
US1784943A (en) * 1928-07-13 1930-12-16 Muller Ignaz Separator for light liquids
US2433896A (en) * 1943-04-16 1948-01-06 Frazer W Gay Means for storing fluids for power generation
US2399994A (en) * 1944-04-19 1946-05-07 Robert C Feagin Oil strainer
US2459227A (en) * 1946-08-06 1949-01-18 Phillips Petroleum Co Underground reservoir for the storage of liquefied gases
US2661062A (en) * 1949-06-28 1953-12-01 Edholm Harald Container for storing oil and like fluids
US2659209A (en) * 1951-03-23 1953-11-17 Warren Petroleum Corp Underground liquid storage facility and the method of selecting and preparing the same
US2788637A (en) * 1952-12-04 1957-04-16 Phillips Petroleum Co Underground storage systems and improved method of operating

Cited By (43)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3208537A (en) * 1960-12-08 1965-09-28 Reed Roller Bit Co Method of drilling
US3253414A (en) * 1962-07-06 1966-05-31 Phillips Petroleum Co Method and apparatus for operating underground storage caverns
US3385067A (en) * 1965-03-10 1968-05-28 Shell Oil Co Method of underground storage in a reservoir
US3438203A (en) * 1967-08-08 1969-04-15 Shell Oil Co Method of removing hydrocarbons from salt caverns
US4326820A (en) * 1978-11-28 1982-04-27 Gesellschaft Fur Strahlen-Und Umweltforschung Mbh Munchen Final depository for radioactive wastes
US20080060571A1 (en) * 1998-11-20 2008-03-13 Cdx Gas, Llc. Method and system for accessing subterranean deposits from the surface and tools therefor
US8813840B2 (en) 1998-11-20 2014-08-26 Efective Exploration, LLC Method and system for accessing subterranean deposits from the surface and tools therefor
US8511372B2 (en) 1998-11-20 2013-08-20 Vitruvian Exploration, Llc Method and system for accessing subterranean deposits from the surface
US8505620B2 (en) 1998-11-20 2013-08-13 Vitruvian Exploration, Llc Method and system for accessing subterranean deposits from the surface and tools therefor
US20040108110A1 (en) * 1998-11-20 2004-06-10 Zupanick Joseph A. Method and system for accessing subterranean deposits from the surface and tools therefor
US8479812B2 (en) 1998-11-20 2013-07-09 Vitruvian Exploration, Llc Method and system for accessing subterranean deposits from the surface and tools therefor
US8469119B2 (en) 1998-11-20 2013-06-25 Vitruvian Exploration, Llc Method and system for accessing subterranean deposits from the surface and tools therefor
US8464784B2 (en) 1998-11-20 2013-06-18 Vitruvian Exploration, Llc Method and system for accessing subterranean deposits from the surface and tools therefor
US8434568B2 (en) 1998-11-20 2013-05-07 Vitruvian Exploration, Llc Method and system for circulating fluid in a well system
US8376052B2 (en) 1998-11-20 2013-02-19 Vitruvian Exploration, Llc Method and system for surface production of gas from a subterranean zone
US8376039B2 (en) 1998-11-20 2013-02-19 Vitruvian Exploration, Llc Method and system for accessing subterranean deposits from the surface and tools therefor
US8371399B2 (en) 1998-11-20 2013-02-12 Vitruvian Exploration, Llc Method and system for accessing subterranean deposits from the surface and tools therefor
US8316966B2 (en) 1998-11-20 2012-11-27 Vitruvian Exploration, Llc Method and system for accessing subterranean deposits from the surface and tools therefor
US8297350B2 (en) 1998-11-20 2012-10-30 Vitruvian Exploration, Llc Method and system for accessing subterranean deposits from the surface
US8297377B2 (en) 1998-11-20 2012-10-30 Vitruvian Exploration, Llc Method and system for accessing subterranean deposits from the surface and tools therefor
US8291974B2 (en) 1998-11-20 2012-10-23 Vitruvian Exploration, Llc Method and system for accessing subterranean deposits from the surface and tools therefor
US20020096336A1 (en) * 1998-11-20 2002-07-25 Zupanick Joseph A. Method and system for surface production of gas from a subterranean zone
US9551209B2 (en) 1998-11-20 2017-01-24 Effective Exploration, LLC System and method for accessing subterranean deposits
US20020189801A1 (en) * 2001-01-30 2002-12-19 Cdx Gas, L.L.C., A Texas Limited Liability Company Method and system for accessing a subterranean zone from a limited surface area
US7360595B2 (en) 2002-05-08 2008-04-22 Cdx Gas, Llc Method and system for underground treatment of materials
US20050087340A1 (en) * 2002-05-08 2005-04-28 Cdx Gas, Llc Method and system for underground treatment of materials
US20040035582A1 (en) * 2002-08-22 2004-02-26 Zupanick Joseph A. System and method for subterranean access
US7073595B2 (en) 2002-09-12 2006-07-11 Cdx Gas, Llc Method and system for controlling pressure in a dual well system
US20050115709A1 (en) * 2002-09-12 2005-06-02 Cdx Gas, Llc Method and system for controlling pressure in a dual well system
US7090009B2 (en) 2002-09-12 2006-08-15 Cdx Gas, Llc Three-dimensional well system for accessing subterranean zones
US20040050554A1 (en) * 2002-09-17 2004-03-18 Zupanick Joseph A. Accelerated production of gas from a subterranean zone
US6988548B2 (en) 2002-10-03 2006-01-24 Cdx Gas, Llc Method and system for removing fluid from a subterranean zone using an enlarged cavity
US20050167119A1 (en) * 2002-10-03 2005-08-04 Cdx Gas, Llc Method and system for removing fluid from a subterranean zone using an enlarged cavity
US7264048B2 (en) * 2003-04-21 2007-09-04 Cdx Gas, Llc Slot cavity
US7134494B2 (en) 2003-06-05 2006-11-14 Cdx Gas, Llc Method and system for recirculating fluid in a well system
US20040244974A1 (en) * 2003-06-05 2004-12-09 Cdx Gas, Llc Method and system for recirculating fluid in a well system
US7100687B2 (en) 2003-11-17 2006-09-05 Cdx Gas, Llc Multi-purpose well bores and method for accessing a subterranean zone from the surface
US20050103490A1 (en) * 2003-11-17 2005-05-19 Pauley Steven R. Multi-purpose well bores and method for accessing a subterranean zone from the surface
US20050167156A1 (en) * 2004-01-30 2005-08-04 Cdx Gas, Llc Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement
US7207395B2 (en) 2004-01-30 2007-04-24 Cdx Gas, Llc Method and system for testing a partially formed hydrocarbon well for evaluation and well planning refinement
US7222670B2 (en) 2004-02-27 2007-05-29 Cdx Gas, Llc System and method for multiple wells from a common surface location
US7571771B2 (en) 2005-05-31 2009-08-11 Cdx Gas, Llc Cavity well system
WO2017009645A1 (en) * 2015-07-14 2017-01-19 Widow's Oil Limited Hydrocarbon exploitation

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