State-run Abu Dhabi National Oil Company (ADNOC) has signed a technical agreement with U.S.-based Occidental Petroleum to develop the al-Hail and Ghasha oilfields, ADNOC said in a statement .
"Under the terms of the new agreement, ADNOC and Oxy will cooperate in carrying out a number of activities that reach up to US$500 million in investment," ADNOC said in a statement.
"The agreement covers 3D seismic surveys, drilling of appraisal wells and conducting of engineering studies necessary for the fields' development."
ADNOC holds a 70% share in the fields development venture, while Occidental holds 30%, according to the statement.
Occidental also holds a 40% stake in Abu Dhabi's Al Hosn Gas project
Adapted from press release by Joe Green