The tender-assist drilling rig EDrill-2, owned by its SED Energy Holdings’ subsidiary Energy Drilling, has started operations for PTT Exploration and Production Public Company (PTTEP) in the Gulf of Thailand.EDrill-2 mobilized to the Gulf of Thailand, where it began operations for PTTEP under previously announced five-year contract, following the preparatory work in Singapore.The contract the companies signed in July 2025 also has an additional three-year period option…