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Exploration & Production |
Crude Oil |
Natural Gas |
Pipelines |
Procurement |
Production Facilities |
Export |
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NIOC Oil and Gas Exploration
Exploration operation is a basic and essential activity in National Iranian Oil Company (NIOC).
In the Iranian year ending late March 2008, NIOC carried out the drilling operations of 7 wells and testing 6 exploratory wells, and started drilling 5 new exploratory wells using 6.64 drilling rigs.
The overall expected + producible in place reserves was 2,841 million barrels of crude oil, 898 million barrels of NGL and condensates, and 1,045 billion cubic meters of dry gas. This amount was explored in the year ending late March 2008.
A comparison of exploration with production of hydrocarbon from 21 March 2007 to 21 March 2008
The total amount of hydrocarbon production (oil, NGL, gas, and condensates) was 2,809.24 million barrels
The total amount of explored producible hydrocarbon (oil, NGL, gas, and condensates) was 5,553.3 million barrels
The ratio of exploration to production was 1/98
Exploration Projects with Contractor Risk by 21 March 2008
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Block/ Company
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Date of Signing the Contract
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Minimum No. of Exploratory Wells
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Minimum Period of Exploration (year)
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Measure of the Area (kilometer square)
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Percentage of Real Progression
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Anaran, Norwegia NorskHydro, Russian Lukoil
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4 Apr. 2000
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5
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56
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3,200
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100
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Mehr, Austrian OMV, Spanish Repsol, Chilean Sipetrol
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23 Apr. 2001
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3
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5
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2,500
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99.9
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Farsi, Indian ONGC, Indian OIL, Indian IOC
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25 Dec. 2002
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4
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5
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3,500
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99.9
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Zvareh-Kashan, Chinese Sinopec
Optional and Decisive
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8 Jan. 2001
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4
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5.4
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4,500
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Towsan, Brazilian Petrobars
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14 Jul. 2004
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2
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5
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6,300
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61
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Iran Mehr-Foruz, Spanish Repsol
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13 Oct. 2004
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3
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5.4
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14,637
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57
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Total
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---
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21
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34,637
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Exploration Projects with Contractor Risk by 21 March 2008
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Block/ Company
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Date of Signing the Contract
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Minimum Period of Exploration and Development (year)
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Measure of the Area (kilometer square)
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Percentage of Real Progression
|
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Saveh
Thailand
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30 Apr. 2005
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4 years of exploration
6 years of development
15 years of production
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12,496
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44.75
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Kuhdasht
China
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9 May 2005
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54 years of exploration
6 years of development
15 years of production
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8,240
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82
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Garmsar
China
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30 Jun. 2006
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54 years of exploration
6 years of development
15 years of production
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12,183
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11
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Khoramabad
Norway
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17 Sep. 2006
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4 years of exploration
6 years of development
15 years of production
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7,425
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16.39
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Deyr
Italia
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19 Jan. 2008
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4 years of exploration
6 years of development
20 years of production
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8,580
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-
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Danan
Vietnam
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13 Feb. 2008
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4 years of exploration
6 years of development
20 years of production
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5,470
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8
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Total
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55,394
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-
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NIOC Oil & Gas Production
National Iranian Oil Company (NIOC)has successfully increased its production capacity of crude oil to 4.335 million barrels per day from March 2007 to March 2008, compared with 4.275 million barrels per day in the same period last year. This was achieved by implementation of development projects of offshore and onshore oilfields through buyback or its natural resources.
6.1. Production of crude oil and NGL was 4.093 million barrels per day from March 2007 to March 2008, of which 17.6 percent was from offshore oilfields and 82.4 percent was from offshore.
6.2 Average production of natural gas from March 2007 to March 2008 was 505.8 million cubic meters per day, having increased by 9 percent compared with the last year, which was 464/2 million cubic meters. Additionally, the average production of gas condensates reached 409.9 thousand barrels per day, having increased 6.9 percent in comparison with last year, which was 383.4 thousand barrels.
6.3. 53 percent of hydrocarbons production from March 2007 to March 2008 was in the form of liquid hydrocarbon and 43.7 percent was in form of natural gas, which shows a 4.7 percent increase in gas proportion in production of hydrocarbons in comparison with the last year. |
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Crude oil is one of the most significant energy carriers both inside the country and in the world, which is economically and politically important. This product plays different roles in the economy of Iran. Crude oil is processed into refined petroleum products that are used by manufacturing company and brings about value-added to the economy. In some areas of the country, crude oil brings prosperity to the Iranian families.
Another key role that crude oil plays in the economy is export of 2.5 million barrels of crude oil per day, helping to economic development of the country.
Long-term trends in crude oil production reveal a cumulative crude oil production equal to 2.25 billion barrels over the 30 years before the Islamic Revolution. This value increased to 36.5 billion barrels over the 30 years after the Islamic Revolution. Furthermore, average daily crude oil production was near 2.394 million barrels, while it has been increased to 3.318 million barrels per day over the 30 years after the Islamic Revolution. |
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Gasoline Production Projects of NIOC
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Project
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Production Rise (Thousand bpd)
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Increase/ Decrease of Products as the Result of Implementation Project (Million Liters per Day)
|
Credit Estimate of the Project (Million Dollar)
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Company Investment (Million Dollar)
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Date of Starting the Project
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Date of Completion
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Crude Oil
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Condensates
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Gasoline
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Gas Oil
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Construction of Coat Cracker & Subsidiary Units of Abadan Refinery
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0
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0
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4.2
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0.2
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634.8
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634.8
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2006
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2009
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Construction of Light Naphtha Refinery & Izomerization Units of Tehran Refinery
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0
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0
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1.8
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0
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135.9
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135.9
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2006
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2009
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Treatment Improvement and Enhancing the Quality of Tabriz Refinery Products
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0
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0
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0.7
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-0.6
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104
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104
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2006
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2009
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Construction of Gasoline Production Complex of Isfahan Refinery
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0
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0
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3.5
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-2.2
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315.7
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315.7
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2006
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2009
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Refinery of Bandar Abas Gasoline Production Rise
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0
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0
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3.4
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0
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498.7
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498.7
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2006
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2010
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Total
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0
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0
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13.6
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-2.6
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1,688.1
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1,688.1
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Construction Projects of Aghajari Gas Transportation Pipelines and Buyback Gas Supplying Project, Phase 2
Construction project of 56-inch pipelines for transportation of sour gas of Asaluye/ Aghajari to transport 95 mcm/d of sour gas produced from South Pars Phases 6, 7, and 8 to inject it to Aghajari, Gachsaran, and Bibi-Hakimeh Oilfields, and recycling it from Pazanan Oilfield. The implementation project consists of the construction of 504 kilometers of 56-inch pipeline. The following table shows the overall status:
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Project
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Total Pct of Progression by Late March 2007
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Pct of Progression from 21 March 2007 to 21 March 2008
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Total Pct of Progression by Late March 2008
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Plan
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Record
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Plan
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Record
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Plan
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Record
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Construction project of Asaluye-Aghajari 56-inch pipeline
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99.29
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74.10
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0.71
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24.35
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100
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98.45
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Fajr Refinery-Asaluye Pipeline 42
The physical progression of Fajr Pipeline 42 is 98.58%. The following table shows the overall status of the project.
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Project
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Total Pct of Progression by Late March 2007
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Pct of Progression from 21 March 2007 to 21 March 2008
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Total Pct of Progression by Late March 2008
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Plan
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Record
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Plan
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Record
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Plan
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Record
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Design and Detail Engineering
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100
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85.32
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0
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12.4
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100
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98.72
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Procurement
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100
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94.73
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0
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4.74
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100
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99.47
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Implementation
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100
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89.44
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0
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8.02
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100
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97.46
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Fajr Project
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100
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91.76
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0
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6.82
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100
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98.58
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National Iranian Drilling Company (NIDC) has done major actions to increase oil and gas production in proportion with the increased number of drilling units by purchasing, reconstructing and commissioning them. So, 54 drilling units were active by late March 2008. The following table shows the annual report of National Iranian Drilling Company (NIDC) from 1996 to March 21, 2008.
Predicted Number of Required Wells and Drilling Rigs by the End of the Fifth Development Plan (21 March 2008 to 21 March 2014)
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Number of Wells
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Total Number
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Onshore
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Drilling
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1,332
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68
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Workover
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953
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26
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Offshore
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Drilling
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666
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27
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Workover
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626
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7
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Total of Onshore and Offshore Wells
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Drilling
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1,998
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95
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Workover
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1,579
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33
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The number of existing onshore rigs is 65 (13 of which are private and the remaining 52 are owned rigs. The number of offshore rigs is 15 (8 of which are private and the other 7 are owned rigs. By the end of the fifth Development Plan, this number will be increased to 129 drilling rigs. The number of rigs which will be added to the drilling fleet is 49 (34 of which are owned and 15 of which are private rigs).
Annual Report of NIDC from 21 March 1996 to 21 March 2008
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No.
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Description
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Year
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1996
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1997
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1998
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1999
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2000
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2001
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2002
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2003
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2004
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2005
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2006
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2007
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No.
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1
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Number of used rigs
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Rigs
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44
|
46
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46
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46
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46
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46
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46
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47
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48
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49
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50
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54
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2
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Meters drilled
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Meters
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244,077
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281,961
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299,731
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288,081
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241,467
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261,620
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271,722
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287,666
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331,910
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345,004
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326,139
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346,213
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3
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Number of drilled wells
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Wells
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109
|
126
|
134
|
142
|
116
|
122
|
126
|
127
|
151
|
155
|
172
|
154
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- The total amount of drilling from 21 March 1996 to 21 March 2008 was over 3,252,595 meters.
- The total number of drilled wells from 21 March 1996 to 21 March 2008 was over 1,634 wells.
Comprehensive Studies on Oil & Gas Fields
Comprehensive studies of simulation of hydrocarbon reservoirs are important, as they aim to discover more oil and gas reservoirs. Practically, a hydrocarbon reservoir can only be depleted once and its performance can be assessed at the final stage. However, with simulative studies of reservoirs, their reactions can be predicted under different choices of production in order to increase the efficiency. Therefore, the best method can be chosen in order to achieve the best result.
At the present time, 85 oil and gas fields are in operation, of which their detailed data should be updated regularly, and at least once in every five years, their simulation studies should be carried out again. Up to now, study of 21 undeveloped producing field of the country has been done in partnership with Iranian and Foreign companies. Moreover, studies on some other fields are being done by Iranian skilled engineers at National Iranian South Oilfields Company (NISOC), Iranian Offshore Oil Company (IOOC), and Petroleum Engineering & Development Company (PEDEC). |
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National Iranian Drilling Company (NIDC) has done major actions to increase oil and gas production in proportion with the increased number of drilling units by purchasing, reconstructing and commissioning them. So, 54 drilling units were active by late March 2008. The following table shows the annual report of National Iranian Drilling Company (NIDC) from 1996 to March 21, 2008.
Predicted Number of Required Wells and Drilling Rigs by the End of the Fifth Development Plan (21 March 2008 to 21 March 2014)
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|
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Number of Wells
|
Total Number
|
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Onshore
|
Drilling
|
1,332
|
68
|
|
Workover
|
953
|
26
|
|
Offshore
|
Drilling
|
666
|
27
|
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Workover
|
626
|
7
|
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Total of Onshore and Offshore Wells
|
Drilling
|
1,998
|
95
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Workover
|
1,579
|
33
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The number of existing onshore rigs is 65 (13 of which are private and the remaining 52 are owned rigs. The number of offshore rigs is 15 (8 of which are private and the other 7 are owned rigs. By the end of the fifth Development Plan, this number will be increased to 129 drilling rigs. The number of rigs which will be added to the drilling fleet is 49 (34 of which are owned and 15 of which are private rigs).
Annual Report of NIDC from 21 March 1996 to 21 March 2008
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No.
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Description
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Year
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1996
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1997
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1998
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1999
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2000
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2001
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2002
|
2003
|
2004
|
2005
|
2006
|
2007
|
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No.
|
|
1
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Number of used rigs
|
Rigs
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44
|
46
|
46
|
46
|
46
|
46
|
46
|
47
|
48
|
49
|
50
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54
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|
2
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Meters drilled
|
Meters
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244,077
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281,961
|
299,731
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288,081
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241,467
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261,620
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271,722
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287,666
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331,910
|
345,004
|
326,139
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346,213
|
|
3
|
Number of drilled wells
|
Wells
|
109
|
126
|
134
|
142
|
116
|
122
|
126
|
127
|
151
|
155
|
172
|
154
|
- The total amount of drilling from 21 March 1996 to 21 March 2008 was over 3,252,595 meters.
- The total number of drilled wells from 21 March 1996 to 21 March 2008 was over 1,634 wells.
Comprehensive Studies on Oil & Gas Fields
Comprehensive studies of simulation of hydrocarbon reservoirs are important, as they aim to discover more oil and gas reservoirs. Practically, a hydrocarbon reservoir can only be depleted once and its performance can be assessed at the final stage. However, with simulative studies of reservoirs, their reactions can be predicted under different choices of production in order to increase the efficiency. Therefore, the best method can be chosen in order to achieve the best result.
At the present time, 85 oil and gas fields are in operation, of which their detailed data should be updated regularly, and at least once in every five years, their simulation studies should be carried out again. Up to now, study of 21 undeveloped producing field of the country has been done in partnership with Iranian and Foreign companies. Moreover, studies on some other fields are being done by Iranian skilled engineers at National Iranian South Oilfields Company (NISOC), Iranian Offshore Oil Company (IOOC), and Petroleum Engineering & Development Company (PEDEC). |
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Export and Consumption of Oil & Gas
There have been quite wide fluctuations in crude oil exports after the Islamic Revolution as a result of the Imposed War, setting production quotas by OPEC, changes in international oil markets, and growth in domestic consumption.
From March 2007 to March 2008, an average of 2489.46 barrels of crude oil were exported daily, showing 3.07 percent increase compared with the last Iranian year (import of 105000 barrels of oil through SWAP was not taken into consideration).
From March 2007 to March 2008, the domestic consumption of natural gas was more than 353.1 million cubic meters per day on average, which increased by 12.3 percent in comparison with the same period in the last Iranian year.
From March 2007 to March 2008, the amount of export gas were 15.3 million cubic meters per day, which decreased by 0.35 million cubic meters per day.
From March 2007 to March 2008, gas injection to oil field reached 71/13 million cubic meters per day, which increased by 2.5 percent compared with the last Iranian year. |
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