Prudhoe Bay on Alaska's North Slope is still the second highest-yielding oil field in the United States, typically producing about , although by early 2014 North Dakota's Bakken Formation was producing over .
pɹˈʌdhoʊ bˈeɪ ˌɔn ɐlˈæskəz nˈɔːɹθ slˈoʊp ɪz stˈɪl ðə sˈɛkənd hˈaɪɪstjˈiːldɪŋ ˈɔɪl fˈiːld ɪnðə juːnˈaɪɾᵻd stˈeɪts, tˈɪpɪkli pɹədˈuːsɪŋ ɐbˈaʊt , ɔːlðˈoʊ baɪ ˈɜːli tˈuː θˈaʊzənd fˈoːɹtiːn nˈɔːɹθ dɐkˈoʊɾəz bˈækən fɔːɹmˈeɪʃən wʌz pɹədˈuːsɪŋ ˈoʊvɚ .