Strategic Petroleum Reserve (United States)
The Strategic Petroleum Reserve (SPR) is an emergency fuel storage of oil maintained by the United States Department of Energy. It is the largest emergency supply in the world with the capacity to hold up to 727 million barrels (115,600,000 m3).
The current inventory is displayed on the SPR's website. As of 27 February 2015[update], the inventory was 691.0 million barrels (109,860,000 m3). This equates to about 37 days of oil at 2013 daily US consumption levels of 18.49 million barrels per day (2,940,000 m3/d) or 70 days at 2013 daily US import levels of 9.859 million barrels per day (1,567,500 m3/d). At recent market prices ($69 a barrel as of December 2014) the SPR holds over $18.0 billion in sweet crude and approximately $25.5 billion in sour crude (assuming a $15/barrel discount for sulfur content). The total value of the crude in the SPR is approximately $43.5 billion. The price paid for the oil is $20.1 billion (an average of $28.42 per barrel).
Purchases of crude oil resumed in January 2009 using revenues available from the 2005 Hurricane Katrina emergency sale. The DOE purchased 10,700,000 barrels (1,700,000 m3) at a cost of $553 million.
The United States started the petroleum reserve in 1975 after oil supplies were cut off during the 1973-74 oil embargo, to mitigate future temporary supply disruptions. According to the World Factbook, the United States imports a net 12 million barrels (1,900,000 m3) of oil a day (MMbd), so the SPR holds about a 58-day supply (when accounting for domestic production). However, the maximum total withdrawal capability from the SPR is only 4.4 million barrels (700,000 m3) per day, so it would take over 160 days to use the entire inventory.
The SPR management office is located in New Orleans, Louisiana.
The reserve is stored at four sites on the Gulf of Mexico, each located near a major center of petrochemical refining and processing. Each site contains a number of artificial caverns created in salt domes below the surface.
Individual caverns within a site can be up to 1000 m below the surface, average dimensions are 60 m wide and 600 m deep, and capacity ranges from 6 to 37 million barrels (950,000 to 5,880,000 m3). Almost $4 billion was spent on the facilities. The decision to store in caverns was made in order to reduce costs; the Department of Energy claims it is roughly 10 times cheaper to store oil below surface with the added advantages of no leaks and a constant natural churn of the oil due to a temperature gradient in the caverns. The caverns were created by drilling down and then dissolving the salt with water.
- Bryan Mound - Freeport, Texas. 20 caverns with a storage capacity of 254 million barrels (40,400,000 m3) with a drawdown capacity of 1.5 million barrels (240,000 m3) per day.
- Big Hill - Winnie, Texas. Has a capacity of 160 million barrels (25,000,000 m3) with a drawdown capacity of 1.1 million barrels (170,000 m3) per day. This facility is planned to be expanded by 250 million barrels (40,000,000 m3) with a new drawdown capacity of 1.5 million barrels (240,000 m3) per day.
- West Hackberry - Lake Charles, Louisiana. Has a capacity of 227 million barrels (36,100,000 m3) with a drawdown capacity of 1.3 million barrels (210,000 m3) per day.
- Bayou Choctaw - Baton Rouge, Louisiana. Has a capacity of 76 million barrels (12,100,000 m3) with a maximum drawdown rate of 550,000 barrels (87,000 m3) per day. This facility is planned to be expanded to 109 million barrels (17,300,000 m3) with a new drawdown capacity of 600,000 barrels (95,000 m3) per day.
- Richton, Mississippi. This facility, if built as planned, would have had a capacity of 160 million barrels (25,000,000 m3) with a drawdown capacity of 1 million barrels (160,000 m3) per day. The Secretary of the Energy Department, Samuel Bodman, announced the creation of this site in February 2007. As of 2008, this site was facing some opposition. According to the DOE: "Activities towards the goal of expansion of the SPR to one billion barrels, as directed by Congress in the 2005 Act, were cancelled in 2011 after Congress rescinded all remaining expansion funds."
- Weeks Island - Iberia Parish, Louisiana (Decommissioned 1999) Capacity of 72 million barrels (11,400,000 m3). This facility was a conventional room and pillar near-surface salt mine, formerly owned by Morton Salt. In 1993, a sinkhole formed on the site, allowing fresh water to intrude into the mine. Because of the mine's construction in salt deposits, fresh water would erode the ceiling, potentially causing the structure to fail. The mine was backfilled with salt-saturated brine. This process, which allowed for recovery of 98% of the petroleum stored in the facility, reduced the risk of further freshwater intrusion, and helped prevent the remaining oil from leaking into the aquifer that is located over the salt dome.
Access to the reserve is determined by the conditions written into the 1975 Energy Policy and Conservation Act (EPCA), primarily to counter a severe supply interruption. The maximum removal rate, by physical constraints, is 4.4 million barrels per day (700,000 m3/d). Oil could begin entering the marketplace 13 days after a presidential order. The Department of Energy says it has about 59 days of import protection in the SPR. This, combined with private sector inventory protection, is estimated to equal 115 days of imports.
The SPR was created following the 1973 energy crisis. The EPCA of December 22, 1975, made it policy for the U.S. to establish a reserve up to 1 billion barrels (159 million m³) of petroleum. A number of existing storage sites were acquired in 1977. Construction of the first surface facilities began in June 1977. On July 21, 1977, the first oil—approximately 412,000 barrels (65,500 m3) of Saudi Arabian light crude—was delivered to the SPR. Fill was suspended in FY 1995 to devote budget resources to refurbishing the SPR equipment and extending the life of the complex. The current SPR sites are expected to be usable until around 2025. Fill was resumed in 1999.
Repletion and suspension
On November 13, 2001, President George W. Bush announced that the SPR would be filled, saying, "The Strategic Petroleum Reserve is an important element of our Nation's energy security. To maximize long-term protection against oil supply disruptions, I am directing the Secretary of Energy to fill the SPR up to its 700 million barrel [111,000,000 m³] capacity." The highest prior level was reached in 1994 with 592 million barrels (94,100,000 m3). At the time of President Bush's directive, the SPR contained about 545 million barrels (86,600,000 m3). Since the directive in 2001, the capacity of the SPR increased by 27 million barrels (4,300,000 m3) due to natural enlargement of the salt caverns in which the reserves are stored. The Energy Policy Act of 2005 has since directed the Secretary of Energy to fill the SPR to the full 1-billion-barrels (160,000,000 m3) authorized capacity, a process which will require a physical expansion of the Reserve's facilities.
On August 17, 2005, the SPR reached its goal of 700 million barrels (110,000,000 m3), or about 96% of its now-increased 727-million-barrels (115,600,000 m3) capacity. Approximately 60% of the crude oil in the reserve is the less desirable sour (high sulfur content) variety. The oil delivered to the reserve is "royalty-in-kind" oil—royalties owed to the U.S. government by operators who acquire leases on the federally owned Outer Continental Shelf in the Gulf of Mexico. These royalties were previously collected as cash, but in 1998 the government began testing the effectiveness of collecting royalties "in kind" - or in other words, acquiring the crude oil itself. This mechanism was adopted when refilling the SPR began, and once filling is completed, revenues from the sale of future royalties will be paid into the federal treasury.
On April 25, 2006, President Bush announced a temporary halt to petroleum deposits to the SPR as part of a four point program to alleviate high fuel prices.
On January 23, 2007, President Bush suggested in his State of the Union speech that Congress should approve expansion of the current reserve capacity to twice its current level.
In April 2008, Speaker Pelosi called on President Bush to suspend purchases of oil for the Strategic Petroleum Reserve (SPR) temporarily.
On May 12, 2008, Rep. Peter Welch (D, Vermont) and 63 co-sponsors introduced the Strategic Petroleum Reserve Fill Suspension and Consumer Protection Act bill (H.R.6022), to suspend the acquisition of petroleum for the Strategic Petroleum Reserve.
On May 16, 2008, the U.S. Department of Energy said it would halt all deliveries to the Strategic Petroleum Reserve sometime in July. This announcement came days after Congress voted to direct the Bush administration to do the same. The U.S. Department of Energy did not state when the shipments would resume.
On May 19, 2008, President Bush signed the Act passed by the Congress, which he previously opposed.
On January 2, 2009, the U.S. Energy Department said that it would begin buying approximately 12,000,000 barrels (1,900,000 m3) of crude oil to fill the Strategic Petroleum Reserve, replenishing supplies that were sold after hurricanes Katrina and Rita in 2005. The purchase will be funded by the roughly $600 million received in 2005 from the emergency sales.
On September 9, 2011, a Notice of Cancellation was published in the Federal Register after Congress rescinded funding for the expansion of the Strategic Petroleum Reserve, reversing the SPR expansion initiative previously directed under the Energy Policy Act of 2005.
On October 20, 2014, a report by the U.S. Government Accountability Office (GAO) recommended reducing the size of the Reserve. According to the report, the amount of oil held in reserve exceeds the amount required to be kept on hand since the need for foreign imports of crude oil have decreased in recent years. The report said the U.S. Department of Energy agreed with the GAO’s recommendation. 
Emergency sales to Israel
According to the 1975 Sinai Interim Agreement signed by the United States and Israel as a precondition for Israel's return of the Sinai Peninsula and its associated oil reserves to Egypt, in an emergency the U.S. was obligated to make oil available for sale to Israel for up to 5 years. Israel never used the agreement however. The agreement on emergency sales was not renewed by the Obama administration and it ended in 2014.
The Strategic Petroleum Reserve is primarily a crude petroleum reserve, not a stockpile of refined petroleum fuels such as gasoline, diesel and kerosene. Although the United States maintains an extra supply reserve of refined petroleum fuels e.g. the (2,000,000 barrels) heating oil reserves in Connecticut, Rhode Island and New Jersey under the aegis of the Department of Energy (DOE), officially the federal government currently does not maintain gasoline reserves on anything like the scale of the SPR. The SPR is intended to give the United States protection from disruptions in oil supplies. It would have to call on members of the International Energy Agency that stockpile refined products, and use refining capacities outside of the continental United States for relief in the event of a major disruption to refinery operations.
There have been suggestions that the DOE should increase its supplies and stockpile both gasoline and jet fuel. Some countries and zones have a strategic reserve of both petroleum and petroleum products. In some cases, this includes a strategic reserve of jet fuel.
The former Secretary of Energy, Samuel Bodman, has said that the Department will consider refined products as part of the expansion of between 1 billion and 1.5 billion barrels (240,000,000 m3).
- 1985 - Test sale - 1.1 million barrels (170,000 m3)
- 1990/91 - Desert Storm sale - 21 million barrels (3,300,000 m3)
- 4 million in August 1990 test sale
- 17 million in January 1991 Presidentially ordered drawdown
- 1996-97 total non-emergency sales for deficit reduction - 28 million barrels (4,500,000 m3)
- July–August 2000 - 2.8 million barrels (450,000 m3) to supply the Northeast Home Heating Oil Reserve.
- September–October 2000 - 30 million barrels (4,800,000 m3) in response to a concern over low distillate levels in the northeastern U.S.
- 2005 - Hurricane Katrina sale - 11 million barrels (1,700,000 m3) Katrina shut down 95% of crude production and 88% of natural gas output in the Gulf of Mexico. This amounted to a quarter of total U.S. output. About 735 oil and natural gas rigs and platforms had been evacuated due to the hurricane.
- 2011 - Arab Spring sale - 30 million barrels (4,800,000 m3) non-emergency sale to offset disruptions caused by political upheaval in Libya and elsewhere in the Middle East. The amount was matched by IEA countries, for a total of 60 million barrels (9,500,000 m3) released from stockpiles around the world.
Petroleum exchanges and loans
Note: Loans are made on a case-by-case basis to alleviate supply disruptions. Once conditions return to normal, the loan is returned to the SPR with additional oil as interest.
- April–May 1996 - 900,000 barrels (140,000 m3) lent to ARCO to alleviate pipeline blockage.
- August 1998 - 11 million barrels (1,700,000 m3) lent to PEMEX in return for 8.5 million barrels (1,350,000 m3) of higher quality crude.
- June 2000 - 1 million barrels (160,000 m3) lent to Citgo and Conoco in response to shipping channel blockage.
- October 2002 - 296,000 barrels (47,100 m3) lent to Shell Pipeline Company in advance of Hurricane Lili.
- September–October 2004 - 5.4 million barrels (860,000 m3) lent to Astra Oil, ConocoPhillips, Placid Refining, Shell Oil Company, and Premcor after Hurricane Ivan.
- September–October 2005 - 9.8 million barrels (1,560,000 m3) lent to ExxonMobil, Placid Refining, Valero, BP, Marathon Oil, and Total S.A. after Hurricane Katrina.
- January–February 2006 - 767,000 barrels (121,900 m3) lent to Total Petrochemicals USA due to closure of the Sabine Neches ship channel to deep-draft vessels after a barge accident in the channel.
- June 2006 - 750,000 barrels (119,000 m3) of sour crude lent to ConocoPhillips and Citgo due to the closure for several days of the Calcasieu Ship Channel caused by the release of a mixture of storm water and oil. Repaid in early October 2006.
- September 2008 - 250,000 barrels (40,000 m3) loaned to Citgo because it could not secure crude oil in the aftermath of Hurricane Gustav.
- September 2008 - 130,000 barrels (21,000 m3) loaned to Placid Refining's Port Allen refinery and 250,000 barrels (40,000 m3) loaned to Marathon Oil due to disruptions from Hurricane Gustav.
- United States energy law
- Global strategic petroleum reserves
- Official gold reserves
- Oil reserves
- Northeast Home Heating Oil Reserve
- Strategic grain reserve
- "Strategic Petroleum Reserve Inventory". Retrieved March 3, 2015.
-  United States - U.S. Energy Information Administration (EIA)
- U.S. Total Crude Oil and Products Imports U.S. Energy Information Administration (EIA)
-  WTI & Brent Crude Oil Prices
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-  DOE SPR site
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|Wikimedia Commons has media related to Strategic Petroleum Reserve (United States).|
- DOE Fossil Energy: Strategic Petroleum Reserve
- Strategic Petroleum Reserve Inventory
- President Orders Strategic Petroleum Reserve Filled - November 13, 2001
- The Strategic Petroleum Reserve: History, Perspectives, and Issues - April 3, 2006
- "A rare peek inside our Fort Knox of black gold", Brett Clanton, Houston Chronicle, May 26, 2008 (rare tour of facilities w/ short video)