Lok Sabha Question No. 165 (STARRED), answered on 2025-07-31
Subject: Gas Leak Incidents in ONGC's Wells
Ministry: PETROLEUM AND NATURAL GAS
Asked by: Shri Harish Chandra Meena

## LOK SABHA STARRED QUESTION NO. *165 TO BE ANSWERED ON 31.07.2025

## GAS LEAK INCIDENTS IN ONGC'S WELLS

† *165. SHRI HARISH CHANDRA MEENA:

## पेĚोͧलयम और Ĥाक ृ Ǔतक गैस मंğी

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

- (a) the details of incidents of gas leaks or blowouts that have taken place in the wells of Oil and Natural Gas Corporation (ONGC) Limited during each of the last five years and the current year, location-wise;
- (b) whether any safety audit has been conducted in this regard; and
- (c) if so, the details thereof?

## ANSWER पेĚोͧलयम एवं Ĥाक ृ Ǔतक गैस मंğी ( Įी हरदȣप ͧसंह पुरȣ )

## MINISTER OF PETROLEUM AND NATURAL GAS (SHRI HARDEEP SINGH PURI)

- (a) to (c): A statement is laid on the Table of the House.

STATEMENT REFERRED TO IN REPLY TO PARTS (A) TO (C) IN RESPECT OF LOK SABHA STARRED QUESTION NO. *165 TO BE ANSWERED ON 31.07.2025 REGARDING  'GAS LEAK INCIDENTS IN ONGC'S WELLS'  ASKED BY SHRI HARISH CHANDRA MEENA

- (a) to (c) :As per information furnished by Oil Industry Safety Directorate (OISD), a gas leak or blowout is an uncontrolled flow of well fluids and/ or formation fluids at surface or sub-surface from the wellbore.

The details of incidents of blowouts or gas leaks, which have taken place in the wells of Oil and Natural Gas Corporation (ONGC) Limited during last five years and current year, are as follows:

| Year                      |   No. of blow outs at ONGC's Wells | Well No.   | Asset                  | Date of incident - Date of capping   |
|---------------------------|------------------------------------|------------|------------------------|--------------------------------------|
| 2020-21                   |                                  0 | -          | -                      | -                                    |
| 2021-22                   |                                  0 | -          | -                      | -                                    |
| 2022-23                   |                                  0 | -          | -                      | -                                    |
| 2023-24                   |                                  0 | -          | -                      | -                                    |
| 2024-25                   |                                  0 | -          | -                      | -                                    |
| 2025-26 (till 24.07.2025) |                                  1 | RDS#147A   | Sivasagar, Assam Asset | 12.06.2025 - 27.06.2025              |

As a technical directorate under the Ministry of Petroleum and Natural Gas (MoPNG), OISD formulates  standards  and  conducts  external  safety  audits  of  Oil  and  Gas  installations (including of rigs and wells) periodically. The detail of safety audits conducted by OISD at ONGC Installations during the last five years is as follows:

| Financial Year   |   No. of Installations Audited |
|------------------|--------------------------------|
| 2020-21          |                             70 |
| 2021-22          |                             94 |
| 2022-23          |                            104 |
| 2023-24          |                            105 |
| 2024-25          |                            118 |

Additionally,  as  a  regular  exercise,  ONGC  also  carries  out  internal  safety  audit  of  their installations through their Health, Safety & Environment Department.

As  per  OISD  and  ONGC,  in  respect  of  the  aforesaid  installation,  ie  RDS#147A,  the  last External and Internal Safety  Audits were conducted in May,  2022  and  Feb, 2025, respectively.

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