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International Journal of Innovation and Applied Studies
ISSN: 2028-9324     CODEN: IJIABO     OCLC Number: 828807274     ZDB-ID: 2703985-7
 
 
Wednesday 19 June 2019

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Reserve Estimation of Saldanadi Gas Field


Volume 16, Issue 1, May 2016, Pages 166–172

 Reserve Estimation of Saldanadi Gas Field

Prokash Dey1, Pulok Kanti Deb2, Shireen Akhter3, and Debotosh Dey4

1 Department of Petroleum and Mining Engineering, Shahjalal University of Science and Technology, Sylhet-3114, Bangladesh
2 Department of Petroleum and Mining Engineering, Shahjalal University of Science and Technology, Sylhet-3114, Bangladesh
3 Geological Division, Bangladesh Petroleum Exploration and Production Company Limited, Dhaka-1215, Bangladesh
4 Petroleum and Mineral Resources Engineering, Bangladesh University of Engineering and Technology, Dhaka-1000, Bangladesh

Original language: English

Received 11 March 2016

Copyright © 2016 ISSR Journals. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract


Estimation of gas-initially-in-place GIIP (2P) and remaining gas reserves are a matter of re-examination and very crucial for the oil/gas industry and for the national policy related to energy regulation. There are wide range of reserve estimation method in different sources over time, which has a different range of uncertainty. Reserve means the quantity of gas/oil that is commercially recoverable from known underground hydrocarbon deposit. An existing oil/gas industry needs to know the present reserve of the existing reservoir to take endeavor for further augmentation of field to increase oil/gas productivity. Among several types of reserve estimation method volumetric estimation is easier and done at the early stage of development based on formation factor, well log, fluid saturation and reservoir extent data. Accuracy of this method increases with production data. This project highlights the reserve estimation and remaining reserve calculation of Saldanadi Gas Field one of the prominent and vital gas field for geological situation as the underground reservoir rock is shared by both Bangladesh and India. To calculate reservoir volume using trapezoidal rule and area using planimeter, isopach maps have been created from contour map of both upper and lower gas sand. For greater accuracy production data from the well #1 and well #2 of the field has been used. It is found that total GIIP (2P) from both upper and lower gas sand is 501.186 Bcf among which 350.83 Bcf is recoverable with 70% recovery rate. In addition total remaining reserve is 282.95 Bcf.

Author Keywords: Volumetric, Isopach, Planimeter, Trapezoidal, Hawkin.


How to Cite this Article


Prokash Dey, Pulok Kanti Deb, Shireen Akhter, and Debotosh Dey, “Reserve Estimation of Saldanadi Gas Field,” International Journal of Innovation and Applied Studies, vol. 16, no. 1, pp. 166–172, May 2016.