Donors
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Schlumberger N.V.
The world's largest oil services company
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Donation ('09)
Halliburton Company
parent organization
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Donation ('09)
Chevron
Energy Company
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Donation ('09)
El Paso Corporation
Natural gas and related energy products
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Donation ('09)
Ovintiv
One of the largest independent gas companies in the world
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Donation ('09)
BP plc
Global energy company
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Donation ('09)
XTO Energy Inc.
Crude Petroleum and Natural Gas; sold to Exxon in 2009
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Donation ('09)
Anadarko Petroleum Corporation
Independent oil and gas producer
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Donation ('09)
Occidental Petroleum Corporation
NYSE: OXY California-based oil and gas exploration and production company
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Donation ('09)
Marathon Oil Corporation
Int'l energy co. engaged in oil/gas exploration, production, transportation, and marketing
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Donation ('09)