Abu Dhabi\'s Zakum Development Company (Zadco) has awarded a contract to Al Jaber Energy Services, a member of Al Jaber Group, for early civil work at the offshore Upper Zakum oilfield, a statement said. The company could not reveal the value of the deal. Zadco is a venture of state-owned Abu Dhabi National Oil Company (Adnoc), US oil major ExxonMobil and the Japan Oil Development Company. Al Jaber Energy Services is an engineering, procurement and construction contractor with expertise in civil, mechanical, electrical, instrumentation and pipeline work and dedicated to oil and gas, petrochemical, pipelines, water, power and the industrial and infrastructure sector. \"Al Jaber has already received a letter of award and scope covers enabling works, civil works and other miscellaneous works at four artificial islands under construction. The duration of the project is 36 months,\" a spokesperson said.