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November 23, 2021updated 28 Apr 2022 5:46am

Cluster IIA Conventional Oil Field, India

By Carmen

Cluster IIA is a conventional oil development located in deepwater in India and is operated by Oil and Natural Gas. Discovered in 2001, Cluster IIA lies in block KG-DWN-98/2, with water depth of around 1,719 feet.

The project is currently in construction stage and is expected to start commercial production in 2022. Final investment decision (FID) of the project was approved in 2016. The Cluster IIA conventional oil development will involve the drilling of approximately 27 wells and includes fixed platform, FPSO, and subsea manifolds.

Field participation details

The field is owned by Oil and Natural Gas.

Production from Cluster IIA

Production from the Cluster IIA conventional oil development project is expected to begin in 2022 and is forecast to peak in 2024, to approximately 70,870 bpd of crude oil and condensate and 106 Mmcfd of natural gas. Based on economic assumptions, the production will continue until the field reaches its economic limit in 2034.

Remaining recoverable reserves

The field is expected to recover 220.53 Mmboe, comprised of 179.41 Mmbbl of crude oil & condensate and 246.72 bcf of natural gas reserves.

Contractors involved in the Cluster IIA conventional oil field

Some of the key contractors involved in the Cluster IIA project as follows.

Main EPC: Baker Hughes, Larsen & Toubro and McDermott International

EPC Contractors: Sembcorp Marine

Other Contractors: Amarinth, Bumi Armada, Fugro and Oceaneering International

About Oil and Natural Gas

Oil and Natural Gas Corp Ltd (ONGC) is an integrated energy company operating along the hydrocarbon value chain. It discovers, produces, refines and markets oil and gas, and also manufactures petrochemicals. ONGC also carries out power generation and has considerable renewable energy operations. The company carries out refining operations through Mangalore Refinery and Petrochemicals Ltd and Hindustan Petroleum Corporation Ltd. It sells products to oil refining and gas marketing companies. In addition, the company conducts overseas operations through its subsidiary, ONGC Videsh Ltd (OVL). It has operations in Latin America, the Middle East and Africa, Asia-Pacific, and Europe. ONGC is headquartered in New Delhi, India.


Information on the field is sourced from GlobalData’s fields database that provides detailed information on all producing, announced and planned oil and gas fields globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.

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