Sirri C

Location and Geology

• The Sirri C and D conventional oil fields are located in shallow water off the coast of Iran, specifically within the block known as Alvand.

Ownership and Operation

• The Sirri C and D oil fields are owned by the National Iranian Oil Company (NIOC). The fields are operated by Iranian Offshore Oil Company (IOOC), a subsidiary of NIOC.

Production History and Status

• The Sirri C and D fields have been in production, with peak production achieved in 2007. As of the latest data, the fields have recovered 88.30% of their total recoverable reserves. Production is expected to continue until the fields reach their economic limit in 2047.

Production Capacity and Enhancements

• While specific current production figures for Sirri C and D are not provided, nearby fields such as Sivand and Esfand have seen significant production increases. For example, production in these fields has risen by 20% or 16,000 barrels per day, reaching a capacity of 111,000 barrels per day following a $120 million engineering, procurement, and drilling contract completed in 2023.

Operator Activities

• IOOC, the operator, is involved in various activities including exploration, production, and development of oil and gas fields. Their services include renovating and reconstructing installations, improving production methods, and conserving oil and gas reserves. They also perform storage engineering, descriptive drilling, and general engineering and construction activities.

Reservoir Characteristics

• The Sirri oil fields, including Sirri C, are part of the broader Iranian offshore oil production. These fields typically involve reservoirs such as the Laffan Shale Formation, which has implications for borehole stability and requires careful management to maintain production efficiency.

Economic and Development Plans

• Iran has been investing in rehabilitating and expanding its oil industry, including offshore fields like Sirri. This involves using enhanced oil recovery (EOR) techniques, in-fill and development drilling, and horizontal drilling to maintain and increase production levels. Foreign investment and technology are often sought to support these efforts.

Regional Context

• The Sirri fields are part of Iran's broader strategy to enhance its oil production capacity. The country has significant oil reserves, with the Asmari and Bangestan reservoirs being among the most prolific. However, maintaining production levels is a challenge due to the age of many fields and the need for advanced reservoir management techniques.

In summary, the Sirri C oil project is an important part of Iran's offshore oil production, operated by IOOC and owned by NIOC. The project benefits from ongoing efforts to enhance production through advanced techniques and investments, despite the challenges posed by the fields' maturity and the need for continuous reservoir management.