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Dukhan City

 

Dukhan has been serving Qatar's oil and gas industry for more than half a century.

 

Dukhan,84 kilometers from Doha on the west coast of Qatar, gained its significance due to the discovery of crude oil. Exploration for oil in Dukhan fields began in 1935 and the first well was drilled in 1940.

The first shipment of crude oil was exported from Qatar on 31st December 1949.Since then Dukhan has witnessed gradual development to accommodate oil and gas operation facilities in addition to housing, medical, recreational and educational institutions and services. Dukhan is being further developed and modernized to better meet Qatar Petroleum's oil and gas operations and the communities’ requirements.​

Fields & Operations

Dukhan oil field

The various operations and activities in the Dukhan oil field, which extends over an area of approximately 640 square kilometers, are managed and conducted by Qatar Petroleum.  

Qatar took full control of all oil and associated gas operations in the Dukhan n Field in 1974 with the formation of Qatar Petroleum (QP), or Qatar General Petroleum Company (QGPC) as it was known at that time.  During the same year, the first development well in Khuff reservoir was also drilled.  

Crude oil and gas
In Dukhan Field, crude oil is produced from Arab-C, Arab-D and Uwainat reservoirs.  The production facilities are located in Khatiyah, Fahahil and Jaleha sectors. 

Oil and associated gas are separated at four main (khatiyah Khatiyah North, Khatiyah Main, Fahahil Main and Jaleha) and three remote (Khatiyah South, Fahahil North and Fahahil South) degassing stations.

The raw associated gas separated from different stages is compressed to 400 pounds per square inch and sent to Fahahil Stripping Plant ) after dehydration in the field dehydration units. The oil is de-watered in settling tanks and then routed via storage tanks to main oil line pumps. Each of the three main stations (Khatiyah, Fahahil and Jaleha) pump the oil to Umm Bab Booster Station, where its pressure is boosted for further transportation by pipeline to Mesaieed on the east coast of Qatar.

Khuff gas
Khuff gas was originally used as the fuel supply to the main Doha power stations at Ras Abu Aboud and Ras Abu Fontas.Khuff gas is now operated as a strategic reserve to supplement fuel gas supplies to Doha power stations.

Fahahil North Field gas injection compressor station.North Field gas emanates from a giant gas and condensate reservoir, which extends over an area of more than 6,000 square kilometers off the north east coast of Qatar.
North Field gas is processed in NGL-3 plant at Mesaieed.  The surplus lean gas from NGL-3 is received at Fahahil North Field injection station, where its pressure is  boosted for injection into Khuff and Arab-D reservoirs for storage and reservoir management respectively.

Powered water injection  system (Secondary Recovery)
The function of powered water injection is to enhance oil recovery and maintain the reservoir pressures in Dukhan Field for Arab-C, Arab-D and Uwainat formations.  This is achieved by abstracting water from a natural aquifer (Umm Er Radhuma) and pumping it down the designated injection wells connected to the relevant, formations via a high pressure ring main encircling Dukhan Field. In addition to the ring main three clusters of PWI have also been provided for isolated areas for the same purpose.  

The Arab-D cap gas recycling system plant
The Arab-D cap gas recycling plant was originally installed with the objective to produce 800 million cubic feet per day (mcf/d) MMSCFD of gas from the Arab-D gas cap, extract 40,000 dbarrels per day (b/d)  of condensate and up to 750 tons per day of natural gas liquids (NGL).  The residue gas is re injected into the same reservoir/formation.  The plant was commissioned in June 1998 and the first batch of product was exported from Mesaieed on August 27, 1998.

The Arab-D cap gas recycling plant has been upgraded under Dukhan Arab–D upgrade to increase the raw NGL recovery from 750 to 5,600 t/d Raw NGL from this plant is being processed at NGL-4 plant, for supplying ethane to Q-Chem for the production of ethylene.

Township & Community
QP provides infrastructure, services, social, recreational, civic and business facilities for the community in the QP Dukhan Township, concession and the neighboring areas. 1,860 housing units are provided for married and bachelor staff within Dukhan Township. Recreational facilities for staff and families are provided through four staff clubs offering a fully equipped fitness center, swimming pool, tennis courts, and squash and badminton complex. There is also a state-of-the-art 620-seat cinema.

Subsidized catering services are available to the multinational workforce employed in Dukhan through different restaurants as well as extended services such as a-la-carte, coffee shop, function catering and VIP service.

Dukhan English School
Dukhan English School (DES) is one of the oldest English-medium schools in Qatar, tracing its origins back to the early 1950s. DES is owned and operated by QP for the benefit of its employees who reside in Dukhan. It offers a British curriculum from pre-nursery age four up to IGCSE at age 16 years  and A Levels at age 18 years

Dukhan Medical Centre
Though health care has been available in Dukhan since early exploration times, the QP Medical Services Department moved into its current premises in 1983.  It provides a comprehensive primary care, occupational and dental health care to QP employees and family members residing in Dukhan as well as the population in surrounding areas. A 24-hour emergency service with full-fledged ambulatory care is linked with Qatar’s Emergency Medical Services.

In addition to Dukhan Medical Centre, QP Medical Services operates a contractor clinic providing primary health care access to contractor personnel.

An ambulance station at Umm Bab, 28 kilometers from Dukhan, covers the QP concession area 24 hours a day.


Utilities

Dukhan Power Station
Located inside Dukhan township, Dukhan Power Station is the hub of power generation and distribution of Dukhan Field.  The station is entirely operated and maintained by QP.

The station consists of 14 gas turbine generators and has a total installed capacity of 39 megawatts. Power is supplied from the power station to the field production stations via overhead power lines operating at 33,000 volts.  Power for the township and the Qatar Electricity & Water Company (QEWC) desalination plant is also supplied from the power station via underground cables operating at 11,000 volts.

Due to increasing demand in the power supply for Dukhan Fields, two 132,000-volt overhead line links were established with Qatar General Electricity and Power Company, one link from Doha and the other from Ras Laffan.

Communication
Telecommunication services started in the early 1940s and were limited to copper cable and magneto phones.  Now the telecommunication services are some of the most advanced facilities including a state-of-the-art Meridian Exchange, which has an expandable capacity of 5,000 subscriber lines and an optical fiber-based telecom network through the Dukhan Field.

Dukhan Desalination Plant
Dukhan Desalination Plant was constructed in 1995, producing about two million gallons per day of desalinated water. The plant was handed over to Dukhan Operations in 1997 and later sold to QEWC, which took over operational and maintenance activities in January, 2003.

The storage capacity of Dukhan potable water tanks was upgraded from 4 million gallons to 10 million gallons in 2007.

Dukhan Sewage Treatment Plant
Domestic sewage generated by the population of Dukhan township and surrounding installations is collected and transferred to Dukhan Sewage Treatment Plant where it undergoes many processes to remove all contaminants, producing treated sewage effluent which is utilized for irrigation purposes. QP, in coordination with the Supreme Council for the Environment and the Natural Reserves ensures that the plant operates to international standards.

Environment
Since 1994 QP has been running its oil and gas operations in Dukhan in an environmentally –friendly way.
Dukhan received an appreciation award from the Arabian Cities Award Organization (Environment), has been praised for its care of the environment in numerous ways and for keeping the environment safe for the future.
Several projects have been undertaken to improve marine, land and air environment in and around Dukhan. These include:

  • Qatar University Scientific and Applied Research Center conducted an ecological survey of the marine environment opposite Dukhan Field in 1997 and a second in 2004.
  • Artificial reef building by construction of reef balls in 2001 and 2004.
  • Clean up of the 25- year- old Zekreet  waste dump site in 2000.
  • A groundwater assessment and monitoring project,  completed in 2005
  • A compliance monitoring plan project, completed mid 2004.
  • An air quality monitoring station inside Dukhan Township was constructed early in 2002 with an aim to continuously monitor ambient air quality.
  • A flare upgrade project completed in early 2003 replaced all existing ground flares with smokeless elevated flares at all degassing stations in Dukhan Field.

In addition to the above projects, several other environmental projects are planned for the near future, including a hazardous waste storage facility upgrade, environmental laboratory, metal and plastic drum management, and landform for treatment of oil contaminated soil.