Page 79 - DGH_Annual_Report

Fuelling India’s E&P Activities with DATA 79

resulted in the discovery of a giant structure in Nort-Eastern states. The survey was completed
Bombay Offshore in 1972-73, later termed as in March 2024. With the continuous support
Bombay High Field. ONGC and OIL generated from GOI for hydrocarbon exploration, seismic
considerable amounts of E&P data through survey named as “Mission Anveshan” is in
geoscientific surveys and drilling, making them progress in the onshore areas and “Extended
the earliest dominant players in the Indian E&P Continental Shelf (ECS)” in offshore to augment
industry. However, private sector E&P companies and infill the existing coverage of seismic data.
also contributed to data generation under Pre- Service providers have also been reprocessing
NELP (1980-95) and pre-NELP field rounds (1992- vintage 2D/3D and CSEM data under the "value-
93) offers and discovered field rounds since the addition" clause of NDR data policy to generate
1980s. new insights from vintage data using their latest
proprietary technologies.
The real boost in exploration efforts and
appraisal of Indian basins came during the NELP 4.2 E&P data – A National Asset
regime, particularly in offshore areas, resulting
in a quantum jump in data volume from the E&P data is considered a valuable national asset,
preceding era. Both NOC and private operators and its ownership lies with the government.
contributed to this using the latest technology The Petroleum and Natural Gas (Amendment)
of the time. Multi-client surveys, particularly, rules of 2006 mandate that all E&P operators in
projects INDIASPAN 1 (2006) and INDIASPAN India provide to the Central Government or its
2 (2009) were conducted under Non-Exclusive designated agency with any data obtained as
Multi-Client (NEMC) Policy which for the first time a result of petroleum operations in the country,
mapped west coast and east coast sedimentary free of cost. The E&P data policy issued by
basins of India on a regional/basinal scale. Lately, MoPNG in 2017 outlines the framework for data
new data is being acquired by the Operators in assimilation, disclosure, sharing, accessibility,
the blocks awarded in Open Acreage Licensing and dissemination through the National Data
Policy (OALP) and Discovered Small Field (DSF) Repository (NDR). The policy designates DGH as
rounds under Hydrocarbon Exploration and the agency for data submission.
Licensing Policy (HELP) launched in 2016. With Technological advancements in data processing,
a major thrust on the seismic acquisition on interpretation, and visualization provide
Indian sedimentary basins, huge seismic data opportunities to gain new insights into even
have been acquired under the Government age-old E&P data. The exponential growth
funded schemes like onland National Seismic in data volume and diversity of data types
Programme (NSP)-2016-21, Andaman offshore enables the processing of diverse data sets to
Seismic Program (2020), Exclusive Economic identify relational patterns, which can improve
Zone (EEZ) Surveys (2023) with seismic 2D lines understanding of the subsurface, design
upto EEZ boundary in east and west coasts. In exploration campaigns, and optimize oil and
logistically difficult basin areas AGG Surveys gas production. Effective data management is
were carried out in 11 states including all the
crucial to develop a robust national E&P database