Advanced Oilfield Specialists (AOS) is a privately owned company with the technical and engineering support of a group of multi-national,reputable and established Service and Manufacturing companies from Europe, NorthSea and North America. 

The unique blend of professionals who know the business in the Middle East Region and the offering of proven technologies from Europe,North Sea and North America give AOS a definite edge over its keenest of Competitors.

AOS offers a comprehensive range of drilling tools encompassing Drill Strings, Test Strings, Tubular handling tools and associated accessories, BHA components, Fishing, Milling, P&A, Whipstocks and more.

AOS believes in a concept seldom recognized, appreciated or practiced by most service companies, the concept of listening to customers, understanding the problems they may have and offering practical and relevant solutions to such problems.

AOS firmly believe in and, give extra adage to, the practice of listening more and talking less so please contact us and let us know about your potential drilling challenges and let us explore possible solutions we may have to offer.

Advanced Oilfield Specialists, where customer satisfaction is the prime measure of our performance.

The Organisation

Advanced Oilfield Specialists is a quality driven and safety conscious organization with a clear objective of becoming the premier oil & gas specialist company in the Middle East, North Africa and CIS.


A team of experienced and well respected individuals who are dedicated to providing the highest quality of products to the customers having due respect for health, safety and environment and without compromising business principles, integrity and ethics.

Quality, Health, Safety and Environment Policy

Advanced Oilfield Specialists’ commitment to its personnel, the environment, its customers, its suppliers and the general public is indisputable. It is AOS’ irrevocable policy to provide a working environment where all personnel can carry out their respective functions in a safe, efficient and productive manner.

This Policy dictates that people, the environment and physical structures will be protected against potential loss that may directly or indirectly exist as a result of the Company's operations.

In carrying out this Policy, the Company recognises the need for:

  • Dedication of time and effort directed at loss prevention.

  •  Provision of competent professional supervision.

  •  Identification of all hazards and management of the associated risks.

  •  Allocation of human and financial resources to achieve the above.

The Company, its Management and Personnel, shall continually strive for excellence through increased levels of Service Quality, Safety and Productivity.

AOS also offers Tubular Rental services for the Drilling Industry and are represented by Rees Oil & Gas Services LLC , in the Sultanate of Oman.

All Rights Reserved. Copyright© Rees Oil and Gas Services LLC.