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Home > Country Analysis Briefs > World Oil Transit "Chokepoints" Country Analysis Brief | PDF version | PDB version | ||
April 2004 Background | Bab el-Mandab | Bosporus/Turkish Straits | Panama Canal and Trans-Panama Pipeline | Russian Oil and Gas Export Pipelines/Ports | Strait of Hormuz World Oil Transit Chokepoints The information in this report is the best available as of March 2004 and is subject to change. GENERAL BACKGROUND Oil transported by sea generally follows a fixed set of maritime routes. Along the way, tankers encounter several geographic "chokepoints," or narrow channels, such as the Strait of Hormuz leading out of the Persian Gulf and the Strait of Malacca linking the Indian Ocean (and oil coming from the Middle East) with the Pacific Ocean (and major consuming markets in Asia). Other important maritime "chokepoints" include the Bab el-Mandab passage from the Arabian Sea to the Red Sea; the Panama Canal and the Panama Pipeline connecting the Pacific and Atlantic Oceans; the Suez Canal and the Sumed Pipeline connecting the Red Sea and Mediterranean Sea; and the Turkish Straits/Bosporus linking the Black Sea (and oil coming from the Caspian Sea region) to the Mediterranean Sea."Chokepoints" are critically important to world oil trade because so much oil passes through them, yet they are narrow and theoretically could be blocked -- at least temporarily. In addition, "chokepoints" are susceptible to pirate attacks and shipping accidents in their narrow channels. Not all tanker trade routes use the same size ship. Each route usually has one size that is the clear economic winner, based on voyage length, port and canal constraints and volume. Thus, crude exports from the Middle East -- high volumes that travel long distances -- are moved mainly by VLCC’s (200,000 to 300,000 dead weight tons) typically carrying over 2 million barrels of oil on every voyage. Pipelines, on the other hand, are the mode of choice for transcontinental oil movements. Pipelines are critical for landlocked crudes and also complement tankers at certain key locations by relieving bottlenecks or providing shortcuts. Pipelines come into their own in intra-regional trade. They are the primary option for transcontinental transportation, because they are at least an order of magnitude cheaper than any alternative such as rail, barge, or road, and because political vulnerability is a small or non-existent issue within a nation's border or between neighbors such as the United States and Canada. Pipelines are also an important oil transport mode in mainland Europe, although the system is much smaller, matching the shorter distances. Bab el-Mandab Security remains a major concern of foreign firms doing business in the region, particularly after the French-flagged tanker Limburg was attacked off the coast of Yemen by terrorists in October 2002. The Canadian oil company Nexen, which operates the ash-Shihr oil export terminal, agreed in January 2003 to provide assistance to the Yemeni government in improving security. Prior to this, the region had faced different security concerns. In December 1995 and again in August 1996, Eritrean and Yemeni forces clashed over control of the Hanish Islands, located just north of the Bab el-Mandeb. In October 1996, the two countries signed an agreement over the islands. ![]() Location: Turkey; this 17-mile long waterway divides Asia from Europe and connects the Black Sea with the Mediterranean Sea Under the Montreux Convention of 1936, commercial shipping has the right of free passage through the Bosporus and Turkish Straits in peacetime, although Turkey claims the right to impose regulations for safety and environmental purposes. In October 2002, Turkey placed new restrictions on oil tanker transit through the Bosporus that have slowed tanker transit, including a ban on nighttime transit for ships longer than 200 meters, effectively including all crude oil and large petroleum product tankers. Poor weather has caused transit delays as well; during the past winter, delays reportedly reached as much as 20 days for tankers waiting to transit the Turkish Straits. ![]() Location: Panama; connects the Pacific Ocean with the Caribbean Sea and Atlantic Ocean The United States is the dominant country of origin for products transiting the Panama Canal, and it is also the single largest destination as well. Most of the traffic through the Panama Canal moves between the east coast of the United States and Asia, while movements between Europe and the west coast of the United States and Canada comprise the second major trade route at the waterway. However, other regions and countries, such as the neighboring countries of Central and South America, are proportionately more dependent on the Panama Canal for their trade. In fiscal year (FY) 2003, petroleum and petroleum products were the second largest commodity (by tonnage) shipped through the Canal after grains, accounting for 11% of total canal shipments. Petrochemicals and coal (including coke from coal) are also shipped through the canal, accounting for 1% and 4%, respectively, of total Canal traffic. About 62% of total oil shipments went south from the Atlantic to the Pacific, with oil products dominating southbound traffic. The United States is not heavily reliant on the Panama Canal for its petroleum imports. In 2003, only 1% of total U.S. petroleum imports (crude oil plus petroleum products) transited the Canal en route to American ports. On the whole, very little crude oil destined for U.S. shores (31,000 bbl/d or 0.3% in 2003) passes through the canal. As a share of U.S. imports, however, the Canal is more important for petroleum products. In 2003, a little over 3% of all U.S. imported petroleum products came to the United States through the Panama Canal. The Trans-Panama pipeline (Petroterminal de Panama, S.A.) is located outside the former Canal Zone near the Costa Rican border, and runs from the port of Charco Azul on the Pacific Coast (near Puerto Armuelles, southwest of David) to the port of Chiriqui Grande, Bocas del Toro on the Caribbean. It was opened in October 1982 as an economical alternative to the Panama Canal for transporting Alaskan oil across Panama en route to Gulf Coast ports. More than 2.7 billion barrels of Alaskan crude oil were transported through the 81-mile pipeline at peak rates exceeding 860,000 bbl/d. However, the pipeline was closed in April 1996 after Alaskan oil shipments to the Gulf Coast declined with falling Alaskan oil production and increased oil consumption on the west coast of the United States, especially in California. In addition, the decision to allow Alaskan oil to be exported outside the United States reduced the incentives to ship Alaskan oil to the Gulf Coast. The Trans-Panama pipeline re-opened in November 2003, and began shipping over 100,000 bbl/d of Ecuadorian crude oil to US Gulf ports. ![]() Location: Russian oil and gas exports transit via pipelines that pass through Russia, Ukraine, Belarus, Hungary, Slovakia, the Czech Republic, and Poland, Nearly 90% of Russia's natural gas exports to Europe are routed through Ukraine. In an effort to diversify its export routes, as well as reach new markets, Russia is expanding its natural gas pipeline system. The Blue Stream pipeline to Turkey is the centerpiece of Russia's export diversification strategy. Construction on the 565-Bcf-capacity pipeline, which consists of twin pipelines laid on the bottom of the Black Sea, was completed in October 2002. Strait of Hormuz Location: Oman/Iran; connects the Persian Gulf with the Gulf of Oman and the Arabian Sea
![]() Location: Malaysia/Singapore; connects the Indian Ocean with the South China Sea and the Pacific Ocean. ![]() Location: Egypt; connects the Red Sea and Gulf of Suez with the Mediterranean Sea In 2003, about 2,800 oil tankers passed through the Suez Canal carrying 1.3 million bbl/d of oil. This represented a 26% increase in oil shipments from 2002 levels, when 2,500 ships transported about 1.0 million bbl/d of oil through the canal. Oil historically has represented about 25 percent of Suez Canal revenues. Currently, the Suez Canal can accommodate Suezmax class tankers with drafts of up to 62 feet and 200,000-dead-weight-ton maximum cargos. In 2001, the Suez Canal Authority (SCA) launched a 5-year program to reduce tanker transit times (from 14 hours to 11 hours) through the Canal. The SCA also is moving ahead with a 10-year project to widen and deepened the Canal, so that by 2010 it can accommodate Very-Large-Crude-Carrier (VLCC) and Ultra-Large-Crude-Carrier (ULCC) class tankers with oil cargos of up to 350,000 dead-weight-tons. The Sumed pipeline, with a capacity of about 2.5 million bbl/d, links the Ain Sukhna terminal on the Gulf of Suez with Sidi Kerir on the Mediterranean. Sumed consists of two parallel 42-inch lines, and is owned by Arab Petroleum Pipeline Co., a joint venture of EGPC (50%), Saudi Aramco (15%), Abu Dhabi's ADNOC (15%), three Kuwaiti companies (15% total), and Qatar's QGPC (5%). The pipeline has been in operation since January 1977, and has served as an alternative to the Suez Canal to transport loads from tankers that are too large to pass fully laden through the canal. Sources for this report include: Egyptian Cabinet's Information and Decision Support Center/Suez Canal Authority; Panama Canal Authority; Petroterminal de Panama, S.A.; U.S. Energy Information Administration LINKS For more information on any of the countries or topics listed in this report, see these other sources on the EIA web site: Links to other U.S. government sites: The following links are provided solely as a service to our customers, and therefore should not be construed as advocating or reflecting any position of the Energy Information Administration (EIA) or the United States Government. In addition, EIA does not guarantee the content or accuracy of any information presented in linked sites outside of EIA. Egypt Cabinet's Information and Decision Support Center - Egyptian Economic Bulletin If you liked this Country Analysis Brief or any of our many other Country Analysis Briefs, you can be automatically notified via e-mail of updates. You can also join any of our several mailing lists by selecting the listserv to which you would like to be subscribed. The main URL for listserv signup is http://www.eia.doe.gov/listserv_signup.html. Please follow the directions given. You will then be notified within an hour of any updates to Country Analysis Briefs in your area of interest. Return to Country Analysis Briefs home page
File last modified: April 5, 2004 Contact: Erik Kreilerik.kreil@eia.doe.gov Phone: (202)586-6573 Fax: (202)586-9753 |
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