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Oil & Gas Directory Middle East - 2011 27

INTRODUCTIONAbu Dhabi Oil Refining Company (Takreer) was established in1999 to take over the responsibility of refining operationsform ADNOC. The operations cover the crude oil andcondensate refining and supply of petroleum products.Takreer's main objectives is to develop the refining industry inthe UAE which started with the inauguration of Abu DhabiRefinery (earlier known as Umm Al Nar) in 1976 and RuwaisRefinery in 1982.

Takreer is considered a prominent oil refining Companyregionally and internationally for contributing to oil marketsand to the rapid growth of UAE economy. Since inception,Takreer maintained its position as a leading refiningCompany, thanks to the high standard and efficient refiningoperation consistent with sound health, safety andenvironment practices as well as the world standardperformance of both operations and employees.

TAKREER has grown over the years and gained moreexperience in the international market which made it morecompetitive and successful in the field of hydrocarbonproducts. The Company has redefined its Vision, Mission andValues that reflect its experience and future perspective tomaintain its leading role in the oil refining industry and itsearnest pursuit of excellence.

OUR VISION, MISSION AND VALUES Vision: To become a leading diversified refining companywith the safest, most efficient operations and highlycommitted and competent staff.

Mission: To safely produce environmental-friendly,competitive hydrocarbon products and contribute to nationalgrowth.

CORE VALUES:• Safety & Reliability: A safe, healthy and environmentally

friendly operation is our number one priority.

• Integrity& Fairness: We are open, honest and fair in allour dealings with customers, our owner, employees,suppliers and the community we serve.

Technical and business excellence: We believe inupgrading technology and in developing our employees toachieve the highest levels of technical and businessexcellence.

• Quality & Continuous Improvement: We believe inquality products, operations and people and strive forcontinuous improvement of our organization andindividual competencies.

• Teamwork & Shared Responsibility: We believe inteamwork and a “no blame” culture where everyone has asense of ownership and a shared responsibility.

CORE BUSINESSFor more than three decades, our refineries have providedproducts to meet the society's expanding energy needs. Weknow that our reputation for maintaining high standardsthroughout our day-to-day dealings with others is essential toour continued success.

We recognize the need to explore, produce, transport, andmanufacture energy products in an environmentallyresponsible manner, with the highest regard for safety andhealth of our workforce and of the community in which weoperate.

The Ruwais and Abu Dhabi Refineries constitute our corebusiness. They produce over 23 million tons per year ofproducts for the local and export markets.

The company's objectives for the new millennium include thetask of fulfilling national aspirations for quality assurance andenvironmental protection. It is also keen on implementingnational policies that aim at providing employmentopportunities for UAE nationals.

Consequently, Takreer has designed a number of specialdevelopment programs for UAE Nationals to provide themwith the necessary skills to join the labor force. The numberof our employees is over 2000 from around 35 nationalities.

Meanwhile, Takreer conducts high standard and efficientrefining operations consistent with sound health, safety andenvironmental practices. Its activities are based on total

Abu Dhabi Oil Refining Company(TAKREER)

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quality management principles in a customer and employeeoriented environment. Its aim is to provide reliable, qualityproducts that satisfy the requirements and needs of itscustomers and partners.

The Ruwais and Abu Dhabi refineries constitute our corebusiness. They referred to as the Takree's Business Lines.They produce over 23 million tons per year of products forthe local and export markets.

The company's objectives for the new millennium include thetask of fulfilling national aspiration for quality assurance andenvironmental protection. It is also keen on implementingnational policies aimed at providing employmentopportunities for UAE nationals.

Consequently, Takreer has designed a number of specialdevelopment programs for UAE nationals to provide themwith the necessary skills to join the labor force. The numberof our employees is over 2000 from around 35 nationalities.

Meanwhile, Takreer conducts high standard and efficientrefining operation consistent with sound health, safety andenvironmental practices. Its activities are based on totalquality management principles, in a customer and employeeoriented environment.

Takreer Research Centre (TRC) is a newly established state-of-the-art centre that gears up to become, in collaboration withother local and international institutes and universities acentre of excellence in terms of technology transfers andhuman resources development.

The centre is responsible among other things to overseeprocess modelling and product development andaccumulation of data and technology related to refiningactivities.

ABU DABI REFINERY After the discovery of oil in Abu Dhabi in 1958,and the firstexport shipments of crude oil in 1962, plans were drawn upfor construction of a refinery with a capacity of 15,000 barrelsper stream day (BPSD) to meet a mounting domestic demandfor petroleum products. Construction work in the refinerycommenced in 1973 and the project was inaugurated in April1976.

On ground of growing demand for oil products, the capacitywas further increased to 60,000 BPSD in 1983. The increasingdemand in the fast developing emirate prompted ADNOC toexpand the capacity yet again, bearing in mind environmentalconsiderations. The expanded refinery started up inDecember 1992 with a rated capacity of 85,000 BPSD.

REFINERY INSTALLATIONSCrude Distillation Unit (85,000 BPSD): Prior to the actualdistillation process, crude oil flows through desalters toremove the undesirable salts, water and sludge which aregenerally associated with any type of crude. After preheatingthe oil by Heat exchangers and finally heated in furnaces thecrude is then fractionated in the atmospheric distillationcolumn into the basic raw petroleum fractions of naphtha,kerosene, gas oil and residue.

Naphtha Hydrodesulphuriser Unit (22,500 BPSD): TheNaphtha Hydroesulphuriser sweetens the straight run naphthafrom crude unit. In this unit three products are producednamely: heavy naphtha, light naphtha and sour liquefiedpetroleum gases.

Kerosene Merox Unit (21,250 BPSD): This unit convertsmercaptans at straight run kerosene into disulphides to meetthe final products quality for aviation Kerosene.

Catalytic Reformer Unit (14,000 BPSD): The reformerimproves the heavy Naphtha cut Octane-anti-knock beforebeing used as gasoline blending component. This unitcharacteristic is of continues catalyst regeneration type anddoes not need to be shut down periodically for regenerationof catalyst.

Gas Oil Hydrodesulphuriser Unit (22,500): The Gas OilHydrodesulphuriser Unit reduces gas oil sulphur content to0.05 wt % for improving product quality.

LPG Treating and Recovery Unit (3,480 BPSD): In this unitraw LPG from Naphtha Hydrodesulphuriser and CatalyticReformer Unit are being processed. The produced Butane isused as a blending component in gasoline and also blendedwith propane to form LPG used for domestic purposes.

Excess Naphtha Stabilization Unit (3,325 BPSD): This unitstabilizes the excess Naphtha from crude unit before beingexported to Ruwais Refinery.

Gas sweetening Unit (35 Tons/Days H2S Removal): Sourgases produced in the refinery facilities are sweetened usingamine solution to remove hydrogen-sulphide to minimizesulphur oxide emissions. The sweetened Nature gas used asfuel for Heaters at the refinery.

Sulphur Recovery Unit (35 Tons/day): Sulphur extractedfrom the acid gases produced from gas sweetening unit andconverted to liquid sulphur, which is then transported toRuwais Sulphur Handling Terminal via road tankers.

Jarn Yaphour Crude Oil Stabilization plant (10,000BPSD): Removed hydrogen sulphide, water and hydrocarboncondensate from Jarn Yaphour oil field before it is injectedinto ADNOC's main gas network. The stabilized crude is sentto the refinery crude distillation unit for further separation intopetroleum fractions. Currently the facilities are mothballed

RUWAIS REFINERYThe Ruwais Refinery Industrial Complex is locatedapproximately 240 km to the west of Abu Dhabi, the capital.The Complex has been established mainly to enrich thenational economy attracting billions of dollars investments.

The history of Ruwais Refinery goes back to the 1970s whena plan was set up for the construction of a green field projectthat would contribute even to topographical transformation ofthe deserted region, changing the features of the area intomodern and developed industrialized area.

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Oil & Gas Directory Middle East - 2011 29

Ruwais Refinery, which lies within the Ruwais industrial area,was officially inaugurated in 1982 by late Sheikh Zayed binSultan Al Nahyan. Subsequently after commissioning theoriginal hydroskimming refinery in June 1981 of productioncapacity 120,000 barrels daily, plans were drawn to addfurther 27,000 bpd capacity hydrocracker complex which wasoperational in 1985.

To integrate the operations and utilities, a General UtilitiesPlant that supplies power & water for the region and wasestablished in1982, was merged with the refinery.

The existing refining capacity is 420,000 BPSD. The refineryproducts are Liquefied Petroleum Gas (LPG), SpecialUnleaded Gasoline (98 Octane), Naphtha Grades, Jet-A1 andKerosene Grades 180 and 380 CST.

As part of Takreer expansion projects, a state-of-the-art plantwill be established west of Takreer's existing refinery complexat Ruwais to increase the refining capacity at Ruwais by400,000 BPSD by the end of 2013.

PROCESSING UNITSCrude Oil Distillation Unit: The original capacity of theplant is 120,000 BPD. It is operating at present at 140,000BPD. The products of the unit are full range Naphtha,Kerosene, Light Gas Oil, Heavy Gas Oil and atmos. Residue.

Naphtha Hydrodesulphurization Unit: Capacity of theplant is 34,350 BPD. Full range naphtha from the CrudeDistillation unit and heavy naphtha from hydrocracker unit arehydrotreated to remove the Sulphur components & extractingLPG from whole naphtha. After dehydration, the raw LPG issent to GASCO-NGL plant for further processing while thewhole naphtha is split into light naphtha which is used forblending into gasoline and heavy naphtha, used as feed stockfor the Catalytic Reformer unit.

Catalytic Reforming Unit: Capacity of the plant is 19,150BPD. Heavy naphtha is processed in this unit to improve anti-knock properties using a bi-metallic platinum based catalyst.The Reformate obtained is used as the main blend componentfor the production of gasoline. The hydrogen rich gas is usedin the reaction sections of hydrotreaters, while the residual gasgoes to the refinery fuel gas system.

Kerosene Hydrotreating Unit: Capacity of the plant is20,780 BPSD. This unit improves the burning quality ofKerosene by desulphurization and saturation of aromaticsrequired to meet international specifications of Jet A fuel. Thisunit was revamped in 2005 for processing Light Gas Oil (LGO)or Kerosene in blocked out condition. LGO is being treated inthis unit at present.

Gas Oil Hydro Desulphurization Unit: Capacity of the plantis 21,850 BPD. This unit processes Heavy Gas Oil from CrudeDistillation Units and Light Vacuum Gas Oil from VacuumDistillation Unit, using Co-Mo Catalyst to produce Gas Oilwith 500 ppm Sulphur for blending into Diesel.

Vacuum Distillation Unit: Design Capacity of the plant is46,000 BPD but currently operating at 52,000 BPD. This unitdistills Atmos. Residue under vacuum from Crude DistillationUnit to recover Light & Heavy Vacuum Gas Oils for furtherprocessing in Hydrotreaters and Hydrocracker. RuwaisResidue is supplemented by residue from Abu Dhabi Refineryto satisfy Unibon feed requirements.

2.2.2 Unibon Unit (Hydrocracker): Design Capacity of theplant is 27,000 BPD but currently operating at 32,000 BPD.This unit converts the heavy vacuum gas oil from VacuumDistillation Unit into lighter products by cracking under highpressure and temperature, using silica Alumina base Catalystwith Hydrogen atmosphere in two Reaction Trains.

2.2.3 Hydrogen Generation Unit: Capacity of the plant is60,000 NM3/Hr. It uses Steam Reforming process to produceHydrogen with Natural Gas as feed. Propane also can be usedas feed to the unit. It has 10 bed Pressure Swing Adsorption(PSA) unit to purify hydrogen impurities.

SULPHUR RECOVERY UNIT:Capacity of the plant is 49 MTD of liquid Sulphur; it convertsacid gases H2S from the Amine H2S removal unit to liquidSulphur.

Sulphur Recovery Unit: Capacity of the unit is 50 MT/day.It converts Acid Gases from Amine Treating Unit and SourWater stripping units into elemental Sulfur.

2.3.1 Condensate Distillation Units: There are two identicalCondensate Distillation units of 140,000 BPD each processingcondensate from on-shore Gas Development and Asab GasDevelopment fields. The products are un-stabilized LightNaphtha, Medium Naphtha, Heavy Naphtha, Kerosene, LightGas Oil, Heavy Gas Oil and Atmospheric Residue, which arefurther processed in down stream units.

2.3.2 Naphtha Stabilizer units: There are two identicalNaphtha Stabilizer units with a capacity of 27,500 BPD each.LPG produced is sent to Gasco after sweetening & drying.Light Naphtha is sent to Contaminant Removal unit inUnleaded Gasoline section.

2.3.3 Kerosene sweetening Units: There are two Kerosenesweetening units of 52,000 BPD capacity each to convertMercaptans in the Kerosene to Disulfides in MeriChem Units.The sweetened Kerosene is routed to storage and blending.

CONTACT DETAILS: Abu Dhabi Oil Refining Company (Takreer)P.O. Box: 3593Abu Dhabi, United Arab EmiratesTelephone: +971-2-6027000Fax: +971-2-6027001Website: www.takreer.com