PTT Exploration and Production Public Company Limited is a petroleum exploration, development and production company. It is also engaged in renewable energy, new forms of energy, such as offshore wind farms. Its Exploration and production segment operates in oil and gas exploration and production both domestically and overseas, including overseas gas transportation pipelines overseas, either as an operator or as a joint venture partner with international oil and gas companies. Overseas projects are in Southeast Asia, Middle East, Africa and others. In Thailand, it operates petroleum fields, including G1/61, G2/61, Arthit and S1 projects. It partners in several joint venture projects in both onshore and offshore areas in the Gulf of Thailand. Overseas, it invests in various projects as an operator, including the Algeria Hassi Bir Rekaiz, Block H and the SK410B. It has joint venture projects include the Oman Block 61 Project. It has a 22.1% interest in the Touat gas project in Algeria.