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DEER PARK REFINING L.P.
The refinery is among the largest in the U.S. with a crude oil capacity of 340,000 barrels a day. It operates as Deer
Park Refining Limited Partnership, a 50-50 joint venture formed in 1993 between Shell Oil Company and Petroleos
Mexicanos, or Pemex.
The refinery’s assets are managed and operated by Shell Oil Company through the Shell Deer Park Refining
Company. Since 1993, the Shell-Pemex partnership has made significant investments in refinery upgrades,
providing an increase in refining capacity and flexibility as well as increased opportunities to market a wide range
of oil products throughout North America.
Deer Park Refining L.P. processes predominantly sour crude oil, and Mexico imports more than half of the crude
oil processed. The site also processes crudes from Africa, South America, the U.S. and other countries. Products
made in the refinery include gasoline, aviation fuels, diesel fuels, ship fuel and petroleum coke.
Major processing units and facilities include:
SHELL DEER PARK FACT SHEET Updated on Oct. 3, 2016
? Distilling – There are two distilling or “crude” units at Shell Deer Park. These literally boil crude oil until it
vaporizes. The various hydrocarbons rise inside a column until they cool and become a liquid. The lightest
range of hydrocarbons are gases like propane and butane, the middle range includes gasoline, kerosene
and diesel fuel, and the heavier range hydrocarbons go into asphalt and other products.
? Fluid Catalytic Cracker – “Cat cracking” is a process that uses heat and circulating catalyst to make
gasoline.
? Selective Hydrocracker – This unit partially converts diesel-range material into gasoline, propane and
butane through a chemical reaction with high pressure hydrogen.
? Delayed Coker – This unit converts petroleum pitch into gas oils for processing in other units, which
ultimately produce gasoline, jet fuel and diesel fuel. The coker also generates petroleum coke, which
electric utilities use for power generation and cement companies use as a fuel source in kilns and in
gasification units.
? Catalytic Gasoline Hydrotreater – This enables the refinery to meet EPA regulations for low-sulfur
gasoline by reducing the sulfur content by more than 95 percent.