Advanced Oilfield Technology Co.LLC (AOTC) is a leading manufacturing and maintenance company specialized in the design, engineering, construction, fabrication, testing and maintenance for the Oil & Gas, Refineries, Petrochemicals, Power, Defence, Construction, Water Treatment, and various other industrial sectors.

AOTC has a full-fledged facility of 15,000 m2  and located in Rusayl, for manufacturing, remanufacturing, repair and maintenance services. Further 20,000 mfacility development is in progress at Rusayl.

The company is deeply rooted in Oman and is committed to developing the local industry and continually improving the quality and technology of its businesses. AOTC is certified with ISO 9001:2015 and API 5CT, API 6A and API 6D and API 7-1 monogramming licenses. AOTC is an active member of EASA, AEMT, and ANSI.

AOTC has grown from strength to strength, diversifying its business between the specialized maintenance. Process Equipment and executing Service Contracts and Projects.

AOTC is dedicated to exceeding expectations, and today it is recognized as a leading Manufacturing and Maintenance company in Oman.

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Our Services

Machining & Surface engineering services

Machining and Surface Engineering Services includes design consultation, precision machining, fitting and assembly, all on both prototypes and custom-designed parts. The division has a broad range of state-of-the-art machine tools and machineries capable of various services such as Thermal Spraying - ARC SPRAY & HVOF, Precision Machining, Heavy Duty Machining, Reverse Engineering, Complex Machining, Refurbishment of Oilfield components, Dynamic Balancing up to 16 tons &manufacturing of oilfield drilling tools as per API 5CT & API 7-1.

Currently, this service has started Mud Rotor Refurbishment Services, Downhole tool refurbishment with TC hard-facing, API related batch quantity & critical components manufacturing.

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Specialized Mechanical Services

AOTC does mechanical repair & refurbishment of various kinds of Pumps, Gear Boxes, Rotating Assembly & Compressors and also manufacturing of all components used in various applications such as spare of pumps & mechanical equipment. The In-house mechanical testing facility is capable of handling various tests such as vacuum test, hydro-test and operational tests.

The division is developing in the area of Static Equipment & Heat Exchanger Refurbishment services, Overhauling of Generators and Diesel Engines of various makes. Further diversification is identified in the areas of Pre-commissioning & Nitrogen purging services & Carbon Dioxide Blasting services.

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Corrosion Engineering Services

AOTC is a leading corrosion protection contractor in the Sultanate of Oman, developing and marketing high quality innovative solutions to the Oil&Gas industries essentially, the clients list including Petroleum Development Oman (PDO), Oman Refinery, Oman LNG, and MOD. The division is the authorized distributor of Belzona, a leading global supplier of applied surface treatments for metal and manufacturer of repair composite materials and protective coatings for equipment, machinery and structure. With this expansion in portfolio, AOTC becomes a more complete solution provider for coatings.

The division is aiming at establishing a one-stop-shop for corrosion problems, pipeline corrosion management, composite wrapping, flange face forming, online leak sealing, insulation & joint internal lining services.

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Onsite Services

AOTC provides onsite services to leading organizations within the Energy, Utilities, Construction and Oil and Gas industries providing benefits from its in-depth mechanical engineering expertise in the areas of On-site machining, controlled bolting, flange integrity management, piping, pigging, leak detection, condition monitoring and engineering support. Thein-house manufacturing capabilitiesallow creating bespoke machinery to conduct complex projects.

Onsite services will further develop in specialized services such as Catalyst handling, Industrial Plant cleaning, Pipe line monitoring services.

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Valves & Well Control Solutions

This AOTC division is involved with testing, recertification and repairing of various valves and pressure control equipment to the Oil& Gas, petrochemicals, chemicals and associated industries for more than a decade. Major services include Wellhead stack up testing and recertification, fugitive emission testing, In situ repair & lapping, online relief valve performance testing & repair, high pressure testing facility for API components, large dia ESD valves repair & testing and mobile valve care service.

The division is setting a Valve Automation Center and is aiming at starting a Valve Diagnosis and condition monitoring service (pre shutdown and post shutdown survey for plant valves), Intelligent G3 condition monitoring for the critical ESDV and HIPPS valves andmajor repair services on choke manifolds and BOP’s.

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Electrical Motor Services

AOTC have an established Electrical Motor Services Division, specializing in the provision of fully qualified, time served personnel to offer a wide range of services either at AOTC facility or on client premises either onshore or offshore. Prominent services include 24 Hour Emergency rewinding and repairing, on-site testing and services, alignment and vibration recording, AC & DC motor repair, generators testing and repair, laser alignment, dynamic balancing, modifications & redesigns.

The Electrical Motor division aims to target higher voltage motors 2200KW to 11KVA, establishing capabilities to test, rewind and repair and inclusive of VPI, 12ftx12ftx12ft oven. The division has applied for IECex certification for repairing of explosion proof motors. A further extension is planned to conduct theLow Voltage Motor rewind/repair services in Sohar to cater for the immediate needs of the local industry in the area.

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Electrical & Instrumentation

AOTC offers full range of Electrical and Instrumentation services for the Oil and Gas, Mining and Infrastructure industries. Key services include shutdowns, commissioning, installation, maintenance, hazardous area and calibration products and services. The technicians are well versed withTurnkey PLC Automation, Electrical Contracting Services, Panel Construction Services, Power Panel Installation, Micro-Controllers Solution and SCADA Automation Services.

The Division is aiming to upgrade its electrical O&M services up to 33KVA and start instrument onsite calibration services.The partnership with DELTA Electronics (OEM) will bring additional capabilities for Inverters & VFD.


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O&M and Shutdown Services

AOTC offers its clients experienced technical manpower with integrated skills to ensure optimum plant performance, operating and maintaining equipment within the set parameters. The division offers bespoke services by offering risk free transitions to a new stable operation. The services focus on minimizing maintenance costs and optimizing plant availability leading hence to best ROI for clients.

AOTC provides shutdown services for repair and maintenance of static equipment like Heat Exchanger, hydro jetting, cleaning, hot & cold repair including tube/tube bundle replacement & tube plugging, Hydro testing for columns, flares and stack maintenance.

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