an oil pipeline that runs 800 miles from wells at Prudhoe Bay to the port of Valdez

an oil pipeline that runs 800 miles from wells at Prudhoe Bay to the port of Valdez

an oil pipeline that runs 800 miles from wells at Prudhoe Bay to the port of Valdez

an oil pipeline that runs 800 miles from wells at Prudhoe Bay to the port of Valdez

an oil pipeline that runs 800 miles from wells at Prudhoe Bay to the port of Valdez

an oil pipeline that runs 800 miles from wells at Prudhoe Bay to the port of Valdez

an oil pipeline that runs 800 miles from wells at Prudhoe Bay to the port of Valdez

drilling rig consisting of an offshore platform (floating or fixed to the sea bed) from which many oil wells can be bored radially

drilling rig consisting of an offshore platform (floating or fixed to the sea bed) from which many oil wells can be bored radially

drilling rig consisting of an offshore platform (floating or fixed to the sea bed) from which many oil wells can be bored radially