AOS Ltd was founded and registered in the Federal Republic of Nigeria in 1981 and is recognised as West-Africa's leading provider of Downhole Drilling Tools, Fishing Services and Wireline Pipe-Recovery Services to the Oil & Gas industry. AOS also provided fully API certified Machine-Shop Services and has a reputation for providing experience, expertise and top of the range dependable, reliable and 'fit for purpose' technology.
In 1992 AOS established its Wireline Division and has more than 200 man years of field experience in Wireline Pipe Recovery. and is renowned for its expertise in this domain. Through a series of joint ventures and partnerships established with international "Blue-chip" OEM's, AOS has extended its portfolio of technology introduction into West Africa.
Orwell International (Oil & Gas) Nig Ltd was previously a member of the Orwell Group in Aberdeen, one of the largest independent equipment rental companies in Europe. It became a privately owned indigenous company in 2000 and continued to grow in both size and reputation to become one of fastest growing indigenous oilfield service company in Nigeria.
AOS Orwell now operates from a main head office and operating bases in Port Harcourt. These facilities provide a combined area of more than 64,000 square meters.
Sales, technical support and liaison services are provided through a sales office in Victoria island, Lagos.
AOS Orwell has also started operations and has bases in Ghana and Uganda.