Lok Sabha Question No. 699 (UNSTARRED), answered on 2025-07-24
Subject: Extraction of Oil by ONGC from Oil Reserves
Ministry: PETROLEUM AND NATURAL GAS
Asked by: Shri Y S Avinash Reddy

## LOK SABHA

## UNSTARRED QUESTION NO.699

TO BE ANSWERED ON 24.07.2025

## Extraction of Oil by ONGC from Oil Reserves

699. Shri Y S Avinash Reddy:

## पेĚोͧलयम और Ĥाक ृ Ǔतक गैस मंğी

Will the Minister of PETROLEUM AND NATURAL GAS be pleased to state:

- (a) whether the Oil and Natural Gas Corporation Limited (ONGC) has explored crude oil reserves during the last three years and the current year; (b) if so, the details thereof along with the estimated quantum of various varieties of oil available in these reserves; (c) whether any such reserves have been found in the State of Andhra Pradesh and if so, the details thereof; (d) the number of oil reserves from where oil is being extracted by ONGC along with the
- quantum of oil available in these reserves; and
- (e) the quantum of oil being extracted by ONGC from these reserves annually?

## ANSWER पेĚोͧलयम और Ĥाक ृ Ǔतक गैस मंğालय मɅ राÏयमंğी ( Įी सुरेश गोपी )

## MINISTER OF STATE IN THE MINISTRY OF PETROLEUM AND NATURAL GAS (SHRI SURESH GOPI)

(a) & (b) As a part of exploration activity during the last three years and the current year (till 01.07.2025), ONGC has acquired 2,936.36 Line Kilometre (LKM) of two dimensional (2D) and 33,170.80 Square Kilometre (SKM) of three dimensional (3D) seismic data. It has drilled 297 exploratory wells, which established around 185.87 Million Metric Tonne (MMT) of 2P (Proven and Probable) Oil Initially In-Place (OIIP) reserves.

(c) Till 01.07.2025, ONGC has drilled 524 exploratory wells in State of Andhra Pradesh out of which 227 wells were proved hydrocarbon bearing. ONGC has also notified 94 new discoveries (72 prospects & 22 pools).  As on 01.04.2025, ONGC has established a total 72.62 MMT (2P) In-place volume in the state of Andhra Pradesh.

- (d) The details of available Oil & Condensate reserves (2P in MMT) in ONGC operated acreages spread across various states and offshore areas (Both East Coast and West Coast) as on 01.04.2025 are given below:

| State/ Region   | Reserves (2P) (MMT)   | Reserves (2P) (MMT)   |
|-----------------|-----------------------|-----------------------|
|                 | Oil                   | Condensate            |
| Gujarat         | 84.89                 | 1.41                  |
| Assam           | 37.07                 | -                     |
| Tripura         | -                     | 0.07                  |
| Andhra Pradesh  | 1.99                  | 1.03                  |
| Tamil Nadu      | 3.43                  | 2.01                  |
| West Bengal     | 0.02                  | -                     |
| Total Onland    | 127.39                | 4.52                  |
| West Coast      | 144.74                | 13.01                 |
| East Coast      | 22.38                 | 0.05                  |
| Total Offshore  | 167.12                | 13.06                 |
| Total ONGC      | 294.51                | 17.58                 |

Presently  oil  is  being  extracted  by  ONGC  from  reserves  in  the  States  of  Assam, Gujarat,  Andhra  Pradesh,  Tamil  Nadu,  KG  Offshore  in  the  East  Coast  and  Mumbai Offshore in West coast of India.

- (e) The stand-alone crude oil (incl. condensate) produced annually by ONGC in the last three years (2022-23 to 2024-25) are as follows:

| Year    |   Crude Oil Production (MMT) |
|---------|------------------------------|
| 2022-23 |                       19.584 |
| 2023-24 |                       19.471 |
| 2024-25 |                       19.598 |

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