Libya’s eastern-based parliament is preparing to approve a 2019 maritime pact that would allow Turkey to explore for oil and gas in Libyan waters, according to people familiar with the talks in Benghazi and Ankara. Most obstacles to the accord have been cleared, they said, a striking reversal for the east—long aligned with commander Khalifa Haftar’s Libyan National Army and historically opposed to Turkish involvement. Tripoli, which already maintains close ties with Ankara, backs the deal.