Petrophysical Analysis to Map Geological Significance of Sawan Gas Field, Sindh, Pakistan

M. J. Khan, U. Shakir, M. F. Mahmood, R. Hussain, S.R.F. Bukhari, M. Khaskheli

Abstract


[1] PPL official e-report, Sawan Gas Field. www.ppl.com.pk/content/sawan-gas-field-overview, 2018.
[2] M.J. Khan, M. Umar, M. Khan and A. Das, “2D Seismic Interpretation to Understand the Structural Geometry of Cretaceous Sand Packages, Jabo Field, Pakistan”, The Nucleus, vol. 56, pp 78-85, 2019.
[3] H.M. Anwer, A.M. Tiago, A. Ali and A. Zubair, “Effects of sand shale anisotropy on amplitude variation with angle (AVA) modelling: the sawan gas filed (Pakistan) as a key study for south Asia’s sedimentary basins”, J. Asian Earth Sci, vol. 147, pp. 516-531, 2017.

[4] T.S. Abbas, K. Mirza and J.S. Arif. “Lower Goru Formation-3D Modeling and Petrophysical Interpretation of Sawan Gas Field, Lower Indus Basin, Pakistan”, The Nucleus, vol. 52, pp.138-145, 2015.

[5] S.M. Siyar, M. Waqas, S. Mehmood, A. Jan, M. Awais and F. Islam, “Petrophysical characteristics of Lower Goru Formation (Cretaceous) in Sawan gas field, Central Indus basin, Pakistan”. J. Biodiv. Envir. Sci., vol. 10, pp. 260-266, 2017.
[6] N. Ahmad and M.R. Khan, “Evaluation of a Distinct Sub-Play for Enhanced Exploration in an Emerging Petroleum Province, Bannu-Kohat Sub-Basin, Pakistan”. AAPG Int. Conf. and Ex., Milan, Italy, October 23-26, 2011.
[7] M.J. Khan, M. Ali and M. Khan, “Gamma ray-based facies modelling of lower Goru formation: a case study in Hakeem Daho well lower Indus basin Pakistan”, Bahria Univ. Res. J. Earth Sci., vol. 2, pp. 40-45, 2017.
[8] M.O. Baig, N.B. Harris, H. Ahmed and M.O.A. Baig, “Controls on reservoir diagenesis in the Lower Goru Sandstone Formation, Lower Indus basin, Pakistan”, J. Pet. Geol., vol. 39, pp. 29–47, 2016.
[9] A. Berger, S. Gier and P. Kroi, “Porosity-preserving chlorite cements in shallow marine volcanoclastic sandstones; evidence of the Sawan gas field Pakistan”. AAPG Bull., vol. 93, pp. 595-615, 2009.
[10] N. Ahmed, P. Fink, S. Sturrock, T. Mahmood and M. Ibrahim, “Sequence stratigraphy as predictive tool in lower Goru fairway, lower and middle Indus platform, Pakistan”, Pak. Assoc. Petro. Geoscientist, Annual Tech. Conf., pp. 85-104, 2004.
[11] U.B. Nisar, S. Khan, M.R. Khan, A. Shahzad, M. Farooq and S.A.A. Bukhari, “Structural and reservoir interpretation of Cretaceous lower Goru formation, Sanghar area, Lower Indus basin, Pakistan”, J. Himalaya Earth Sci., vol. 49, pp. 41-49, 2016.
[12] I.B. Kadri, “Petroleum geology of Pakistan”, Pakistan Petroleum Limited, Karachi, 1995.
[13] T. Azeem, Y.W. Chun, P. Khalid, I.M. Ehsan, F. Rehman and A.A. Naseem, “Sweetness analysis of Lower Goru sandstone intervals of the Cretaceous age, Sawan gas field, Pakistan”, Episodes: J. Int. GeoSci., vol. 41, pp. 235-247, 2018.
[14] C.J. Wandrey, B.E Law and H.A. Shah. “Sembar Goru/Ghazij composite total petroleum system Indus and Sulaiman-Kirthar geologic Provinces Pakistan and India”, US Geolog. Survey, USA, 2004.
[15] M. Naeem, M.K. Jafri, S.S. Moustafa, N.S. AL-Arifi, S. Asim, F. Khan and N. Ahmed, “Seismic and well log driven structural and petro-physical analysis of the Lower Goru Formation in the Lower Indus Basin, Pakistan”, Geosci. J., vol. 20, pp. 57–75, 2016.
[16] A. Nazeer, S.A. Abbasi and S.H. Solangi, “Sedimentary facies interpretation of Gamma Ray (GR) log as basic well logs in Central and Lower Indus Basin of Pakistan”, Geodesy Geodyn. 7, pp. 432-443, 2016.
[17] N. Ahmad and S. Chaudhry, “Kadanwari gas field, Pakistan: a disappointment turns into an attractive development opportunity”, Petrol. Geosci., vol.8, pp. 307–316, 2002.
[18] J.J. Chow, L. Ming-Ching and S. Fuh, “Geophysical well log study on the paleoenvironment of the hydrocarbon producing zones in the Erchungchi Formation, Hsinyin, SW Taiwan”, Terr. Atmos Ocean Sci., vol. 16, pp. 531-543, 2005.
[19] M. Ali, M.J. Khan, M. Ali and S. Iftikhar, “Petrophysical Analysis of Well Logs for Reservoir Evaluation: A Case Study of ‘Kadanwari’ Gas Field, Middle Indus Basin, Pakistan”, Arabian J. Geosci. vol. 12, 2019.
[20] I.A.K. Jadoon, R.D. Lawrence and R.J. Lillie, “Seismic data, geometry, evolution, and shortening in the active Sulaiman Fold-and-Thrust Belt of Pakistan, Southwest of the Himalayas”, AAPG Bull., vol. 78, pp. 758–774, 1994.
[21] S.H. Solangi, A. Nazeer, S.A. Abbasi, L.D. Napar, P.A. Usmani and A.G. Sahito, “Sedimentology and petrographic study of B-sand of Upper sands of Lower Goru Formation, based well cuttings and wire line logs from wells of southern Sindh monocline, lower Indus basin, Pakistan”, Bahria Uni Res. J. Earth Sci. vol. 1, pp 45-54, 2016.
[22] G. Asquith and C. Gibson, “Basic well log analysis for geologists”, AAPG methods in exploration series, Tulsa, pp. 2l6, 1983. [23] F.J. Lucia, “Rock-fabric/petrophysical classification of carbonate pore space for reservoir characterization”, AAPG bulletin, vol. 79, pp. 1275-1300, 1995.
[24] M.H. Rider, “Geologic interpretation of well logs”, Whittles Publishing Services, 1999.


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References


PPL official e-report, Sawan Gas Field. www.ppl.com.pk/content/sawan-gas-field-overview, 2018.

J.M. Khan and H.A, “Khan. Petrophysical logs contribute in appraising productive sands of Lower Goru Formation, Kadanwari concession, Pakistan”. J. Petrol Explor Prod Technol. https://doi.org/10.1007/s13202-018-0472-1, 2018.

H. M. Anwer, A.M. Tiago, A. Ali, and A. Zubair, “Effects of sand shale anisotropy on amplitude variation with angle (AVA) modelling: the sawan gas filed (Pakistan) as a key study for south Asia’s sedimentary basins”. J. Asian Earth Sci, vol. 147, Pp. 516-531. 2017.

T.S. Abbas, K. Mirza and J.S. Arif. “Lower Goru Formation-3D Modeling and Petrophysical Interpretation of Sawan Gas Field, Lower Indus Basin, Pakistan”. The Nucleus Vol. 52, no. 3, Pp.138-145. 2015.

S.M. Siyar, M. Waqas, S. Mehmood, A. Jan, M. Awais and F. Islam, “Petrophysical characteristics of lower Goru formation (Cretaceous) in Sawan gas field, central Indus basin, Pakistan”. Journal of Biodiversity and Environmental Sciences (JBES). Vol. 10, No. 5, p. 260-266. 2017.

T. Azeem, Y. W. Chun, P. Khalid, I. M. Ehsan, F. Rehman, and A. A. Naseem, “Sweetness analysis of Lower Goru sandstone intervals of the Cretaceous age, Sawan gas field, Pakistan”. Epis. J. Int. Geosci, vol. 41, pp. 235-247.2018.

M. J. Khan, M. Ali, M. Khan, “Gamma ray-based facies modelling of lower Goru formation: a case study in Hakeem Daho well lower Indus basin Pakistan:. Bahria Univ. Res. J. of Earth Sci. vol. (2) 40-45.2017.

M. O. Baig, n. Harris, H. Ahmed, M. Baig, “Controls on reservoir diagenesis in the Lower Goru Sandstone Formation, Lower Indus basin, Pakistan”. J Pet Geol 39(1):29–47.2016.

A. Berger, S. Gier, P. Kroi, “Porosity-preserving chlorite cements in shallow marine volcanoclastic sandstones; evidence of the Sawan gas field Pakistan”. AAPG BULL. 93 (5), 595-615.2009.

N. Ahmed, P. Fink, S. Sturrock, T. Mahmood and M. Ibrahim, “Sequence stratigraphy as predictive tool in lower Goru fairway, lower and middle Indus platform, Pakistan”. Pakistan Association of Petroleum Geoscientist (PAPG), Annual Tech Conf. (ATC) 85-104.2004.

U.B. Nisar, S. Khan, M. R. Khan, A. Shahzad, M. Farooq, S.A.A.Bukhari, “Structural and reservoir interpretation of Cretaceous lower Goru formation, sanghar area, lower indus basin, Pakistan”, J. Himalaya Earth Sci. JHES. Vol. 49, no. 1, 41-49. 2016.

N. Ahmad and M.R. Khan, “Evaluation of a Distinct Sub-Play for Enhanced Exploration in an Emerging Petroleum Province, Bannu-Kohat Sub-Basin, Pakistan”. AAPG Int. Conf. and Ex., Milan, Italy, October 23-26, 2011.

I.B. Kadri, “Petroleum geology of Pakistan”, Pakistan Petroleum Limited, Karachi.1995.

C. J. Wandrey, B.E Law, and H.A. Shah, H.A. “Sembar Goru/Ghazij composite total petroleum system Indus and Sulaiman-Kirthar geologic Provinces Pakistan and India”. US Geological Survey, USA; Geol Sur. BULL.2004.

M. Naeem, M.K. Jafri, S.S. Moustafa, N.S. AL-Arifi, S. Asim, F. Khan, N. Ahmed , “Seismic and well log driven structural and petro-physical analysis of the Lower Goru Formation in the Lower Indus Basin, Pakistan”. Geosci J 20(1):57–75.2016.

A. Nazeer, S.A. Abbasi, S. H. Solangi, “Sedimentary facies interpretation of Gamma Ray (GR) log as basic well logs in Central and Lower Indus Basin of Pakistan”. Geodes & Geodyn. 7, 432e443, http://dx.doi.org/10.1016/j.geog.2016.06.006.2016.

N. Ahmad and S. Chaudhry, “Kadanwari gas field, Pakistan: a disappointment turns into an attractive development opportunity”. Petrol Geosci Vol.8(4) Pp. 307–316.2002.

J.J. Chow, L. Ming-Ching, S. Fuh, “ Geophysical well log study on the paleoenvironment of the hydrocarbon producing zones in the Erchungchi Formation”, Hsinyin, SW Taiwan. TAO. Vol. 16(3) pp. 531-543.2005.

S. T. Abbas S, K. Mirza, S.J. Arif, “Lower Goru Formation-3D Modeling and Petrophysical Interpretation of Sawan Gas Field, Lower Indus Basin, Pakistan”. The Nucleus. Vol. 52, no. 3, Pp.138-145. 2015.

I.K. Jadoon , A.K. Lawrence, D. Robert, Lillie and J. Robert, “Seismic data, geometry, evolution, and shortening in the active Sulaiman Fold-and-Thrust Belt of Pakistan, southwest of the Himalayas”. AAPG BULL. Vol. 78, no. 5, p. 758–774. 1994.

S.H. Solangi, A. Nazeer, S.A. Abbasi, L.D. Napar, P.A. Usmani and A.G. Sahito, “Sedimentology and petrographic study of b-sand of upper sands of lower Goru formation, based well cuttings and wire line logs from wells of southern Sindh monocline, lower Indus basin, Pakistan”. Bahria Uni Res. J. of Earth Sci. Vol. 1 no.1. 2016.

G. Asquith, and C. Gibson, “Basic well log analysis for geologists”. AAPG methods in exploration series, Tulsa, pp.2l6. 1983.

M. H. Rider, “Geologic interpretation of well logs”. Whittles Publishing Services. 1999.

F.J. Lucia, “Carbonate reservoir characterization”. AAPG BULL 79. Pp. 142-143. 1995.


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