India’s Hydrocarbon Outlook 2024 120 A Report on Exploration & Production Activities Data Dissemination in Year 2023-2024 Large volume of 2D/3D Seismic and well data and associated reports have been shared with stakeholders/operators since the inception of NDR. In FY2023-24, a total of 15,29,632 LKM 2D seismic, 6,65,882 SKM of 3D seismic and 3,522 well data have been disseminated to as many as 30 E&P companies and 10 research/ academic institutes. Through this, DGH has been able to generate a revenue of Rs. 47.22 Cr in FY2023-24 from data sale on promotional/nominal rates under the NDR Policy. Archiving tape cartridges data to hard disc media Operators routinely submit various E&P data, including raw and processed seismic data, well data etc., to NDR in Tape drives/cartridges. These data are received in various formats and generations of media such as Linear Tape Open (LTO), IBM 3590 and IBM 3592 etc. Although processed seismic stack data and well are read by the database applications in NDR and after due QC/validation such data, these are ingested in online servers of NDR; however, raw/field seismic data are only catalogued in database but remains on tapes/cartridges which are then kept in physical asset library of NDR. Of late, the demand for raw data has increased considerably as more and more operators have become interested in reprocessing the vintage field data with latest proprietary technology to derive maximum information and imaging quality to drive their exploration/development programmes. Secondly, copying raw data from tapes/cartridges with limited number of tape drives is very slow, sequential and inefficient affecting the data delivery to the users. Further, the media were getting older and, in some cases, started developing read error and thus needed to be refreshed. Thirdly, the process has been initiated to upgrade existing NDR to next generation cloud-based National Data Repository (NDR 2.0), wherein the entire E&P data including raw and processed seismic data are planned to be migrated to cloud-based storage system enabling very high fidelity/ durability in preservation, more efficient and wider dissemination of data. In view of the above and as a first step, NDR took up the task to archive raw seismic from the existing 3590/3592/LTO media/cartridges to external hard disks. These disks are meant to provide intermediate storage as well as a more convenient and faster media during the migration of raw data to envisaged cloud storage of NDR 2.0. In a contract awarded for tape archival, NDR archived 19,770 tapes/ cartridges to external hard disks aggregating a total size of ~4.5 Petabytes (PB). The job was started in Nov 2022 and completed in Feb 2024. Technical collaboration with academia During collaborative engagement with University of Western Australia (UWA), Pandit Deen Dayal Energy University (PDEU), Rajiv Gandhi Institute of Petroleum Technology (RGIPT), Wadia Institute of Himalayan Geology (WIHG) and Indian Institute of Petroleum & Energy (IIPE), various subsurface studies were undertaken to bring out seismo-geological insights as independent views to existing basin prospectivity analysis.
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