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Crude oil leaks out of Enterprise Products' tank
west of Chico TX in June 2011.
Wise County Messenger photo by Joe Duty
In 2012 Business Insider named Enterprise Products Operating LLC and Enterprise Crude Pipeline LLC (Both part of Enterprise Products Partners LP) as two of the sixteen US pipeline operators with the most reported significant incidents per pipeline mile. 
Enterprise Products Partners was a Natural Gas Liquids pipeline company until 2005 when it first acquired crude oil pipelines. In 2009 Enterprise absorbed TEPPCO 
. Seaway Pipeline and most of Enterprise's other oil pipelines came from TEPPCO. Enterprise's record has had much less press than Enbridge. Many of Enterprise's pipelines are of small diameter.
- January 27, 2011: 290,262 gallons (6,911 barrels) spilled near Iola in Grimes county TX because a threaded connection had been installed in a high pressure line.
- April 20, 2011: In Freeport a pinhole leak in an above ground Seaway pipeline pipe lost 42 gallons. The hole was caused by internal corrosion.
- May 22, 2011: A pump at Oakland OK Pump Station on Seaway Pipeline leaked 5,082 gallons (121 barrels) because of a faulty seal. The leak was not noticed
until reported by a member of the public.
- June 4, 2011: 513,618 gallons (12,229 barrels) of crude oil spewed from a storage tank one mile north of Lake Bridgeport in Wise county TX, when its connection to a tank mixer failed. The spill was contained by a dike, but it was the largest U.S. onshore crude oil spill by any company in 2011.
- November 15, 2011: In Texas City TX an "unintentional" release of 840 gallons (20 barrels) during a maintenance operation was attributed to a "miscellaneous" cause. Enterprise then intentionally released an additional 104,160 gallons (2,480 barrels).
- November 16, 2011: A third party reported what turned out to be an underground leak of 5,880 gallons (120 barrels) from an 8-inch pipe in Cushing OK. No Enterprise controller was monitoring the pipeline at the time. 
- November 29, 2011: An air patrol noticed evidence of a leak in Seaway Pipeline just outside Fulshear TX, caused by external corrosion. 4,200 gallons (100 barrels) spilled underground.
- January 29, 2012: An Enterprise 2-inch gathering line (not subject to PHMSA regulation) leaked 4,200 gallons (100 Barrels) into Bull Creek in Scurry County TX. The creek flows into the Colorado River about a mile away. The EPA on July 16, 2012, announced a fine of $5,000 against Enterprise.
- February 14, 2012: Internal corrosion caused a 4,200 gallon (100 barrels) underground spill near Cement OK. The leak was reported by a member of the public.
- March 30, 2012: Internal corrosion caused a 3,150 gallon spill in Holliday TX near Wichita Falls.
- April 8, 2012: Internal corrosion caused a leak of 25,200 gallons (600 barrels) in Cushing OK. Although the leak was classed as a pinhole a further note described it as "the size of a dime."
- September 11, 2012: A leak attributed to internal corrosion in a relief line in the Jones Creek TX tank farm released 5,040 gallons (120 barrels) into the ground within the tank farm boundaries. The line had been installed in the same year, 1976, as Seaway Pipeline, which terminates at the Jones Creek facility, but it is unclear whether the line that leaked carried Seaway Pipeline shipments. 
- October 25, 2012: 18,900 gallons (450 barrels) leaked underground in a storage facility five miles south of Jacksboro TX from a pinhole caused by internal corrosion in a 20-inch pipe. The SCADA leak detection system failed to detect the leak, which was reported by an air patrol. Shutting down the pipe took 2 1/2 hours. 
- December 13, 2012: 21 gallons (.5 barrels) of crude oil leaked from a 30 inch pipe that was underground in Fort Bend County TX; the cause was internal corrosion.
- February 11, 2013: A pinhole leak caused by internal corrosion in Seaway Pipeline led to the discharge of 10 gallons into soil near Colbert Pump Station, near Bryan OK.
- February 26, 2013: Crude oil leaked from a transfer line at a tank farm onto a dirt road near Cushing OK.
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