Physical property characteristics of gas hydrate-bearing reservoir and associated seal sediments collected during NGHP-02 in the Krishna-Godavari Basin, in the offshore of India

Jang, Junbong; Waite, William F.; Stern, Laura A.; Collett, Timothy S.; Kumar, Pushpendra

doi:10.1016/j.marpetgeo.2018.09.027

Title: Physical property characteristics of gas hydrate-bearing reservoir and associated seal sediments collected during NGHP-02 in the Krishna-Godavari Basin, in the offshore of India

Abstract

India’s National Gas Hydrate Program Expedition 02 (NGHP-02) was conducted to better understand geologic controls on gas hydrate occurrence and morphology, targeting coarse-grained sediments along the lower continental slope offshore eastern India. This study combines seismic, logging-while-drilling data, and a petroleum system approach to provide a regional geologic and lithologic context for: 1) gas hydrate morphology and distribution, and 2) effects of fine-grained sediments (clays and other grains smaller than 63µm) on gas production in NGHP-02 Area B in the Krishna-Godavari Basin. Area B seismic data show a buried anticline/syncline structure with strong reflectors, R1 and R2, that delineate two of the five lithologic units: Unit I (shallowest), II (R1), III, IV (R2) and V (below the bas of gas hydrate stability). Throughout Area B, gas hydrate morphology depends on its placement within these units. Specifically, core- and grain-scale measurements indicate fines content exerts a primary control on the gas hydrate distribution and morphology. Units I, II and III are generally fine-grained. On the anticline crest, these units host primarily grain-displacing gas hydrate veins linked to pore-occupying gas hydrate in thin, localized, coarser-grained deposits. Diatoms in Unit III increase porosity with depth, reaching ~70% where it contacts Unit IV, themore »« less

Authors:

^[1];

^[1]; Stern, Laura A. ^[2]; Collett, Timothy S. ^[3]; Kumar, Pushpendra ^[4]

U.S. Geological Survey, Woods Hole, MA (United States)
U.S. Geological Survey, Menlo Park, CA (United States)
U.S. Geological Survey, Denver, CO (United States)
Oil and Natural Gas Corp., Navi Mumbai (India)

Publication Date:: 2018-09-24

Research Org.:: Louisiana State Univ., Baton Rouge, LA (United States)

Sponsoring Org.:: USDOE Office of Fossil Energy (FE)

OSTI Identifier:: 1474107

Alternate Identifier(s):: OSTI ID: 1636383

Grant/Contract Number:: FE0028966

Resource Type:: Accepted Manuscript

Journal Name:: Marine and Petroleum Geology

Additional Journal Information:: Journal Volume: 108; Related Information: Jang, J., Waite, F. W., Stern, L. A., Collett, T. S. and Kumar, P. (2018). Dependence of sedimentation behavior on pore-fluid chemistry for sediment collected from Area B, Krishna-Godavari Basin during India's National Gas Hydrate Program, NGHP-02: U. S. Geological Survey data release, https://doi.org/10.5066/P9FXJ1VX.Waite, W. F., Jang, J., Collett., T. S. and Kumar, P. (2018). Grain-size data from India's National Gas Hydrate Program NGHP-02 expedition in the Krishna-Godavari Basin offshore eastern India, 2015: U. S. Geological Survey data release, https://doi.org/10.5066/P97RL4X4.; Journal ID: ISSN 0264-8172

Publisher:: Elsevier

Country of Publication:: United States

Language:: English

Subject:: 03 NATURAL GAS; India’s National Gas Hydrate Program; logging-while-drilling; methane gas hydrate-bearing sediments; physical properties; fines characterization

Citation Formats


                    Jang, Junbong, Waite, William F., Stern, Laura A., Collett, Timothy S., and Kumar, Pushpendra. Physical property characteristics of gas hydrate-bearing reservoir and associated seal sediments collected during NGHP-02 in the Krishna-Godavari Basin, in the offshore of India.  United States: N. p., 2018. 
Web.  doi:10.1016/j.marpetgeo.2018.09.027.

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                    Jang, Junbong, Waite, William F., Stern, Laura A., Collett, Timothy S., & Kumar, Pushpendra. Physical property characteristics of gas hydrate-bearing reservoir and associated seal sediments collected during NGHP-02 in the Krishna-Godavari Basin, in the offshore of India.  United States.  https://doi.org/10.1016/j.marpetgeo.2018.09.027

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                    Jang, Junbong, Waite, William F., Stern, Laura A., Collett, Timothy S., and Kumar, Pushpendra. Mon .  
"Physical property characteristics of gas hydrate-bearing reservoir and associated seal sediments collected during NGHP-02 in the Krishna-Godavari Basin, in the offshore of India".  United States.  https://doi.org/10.1016/j.marpetgeo.2018.09.027.  https://www.osti.gov/servlets/purl/1474107.

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@article{osti_1474107,

  title        = {Physical property characteristics of gas hydrate-bearing reservoir and associated seal sediments collected during NGHP-02 in the Krishna-Godavari Basin, in the offshore of India},

  author       = {Jang, Junbong and Waite, William F. and Stern, Laura A. and Collett, Timothy S. and Kumar, Pushpendra},

  abstractNote = {India’s National Gas Hydrate Program Expedition 02 (NGHP-02) was conducted to better understand geologic controls on gas hydrate occurrence and morphology, targeting coarse-grained sediments along the lower continental slope offshore eastern India. This study combines seismic, logging-while-drilling data, and a petroleum system approach to provide a regional geologic and lithologic context for: 1) gas hydrate morphology and distribution, and 2) effects of fine-grained sediments (clays and other grains smaller than 63µm) on gas production in NGHP-02 Area B in the Krishna-Godavari Basin. Area B seismic data show a buried anticline/syncline structure with strong reflectors, R1 and R2, that delineate two of the five lithologic units: Unit I (shallowest), II (R1), III, IV (R2) and V (below the bas of gas hydrate stability). Throughout Area B, gas hydrate morphology depends on its placement within these units. Specifically, core- and grain-scale measurements indicate fines content exerts a primary control on the gas hydrate distribution and morphology. Units I, II and III are generally fine-grained. On the anticline crest, these units host primarily grain-displacing gas hydrate veins linked to pore-occupying gas hydrate in thin, localized, coarser-grained deposits. Diatoms in Unit III increase porosity with depth, reaching ~70% where it contacts Unit IV, the gas hydrate reservoir associated with reflector R2. The Unit III lithology and porosity allow fluid and dissolved-phase methane to escape Unit IV and form gas hydrate in the fine-grained overburden. Within Unit IV, fine-grained layers are interbedded with coarser-grained gas hydrate reservoir sands, and the fines content even in the sands is high enough to impact hydraulic and mechanical properties during gas production. Fluid motion during gas production can mobilize fines, which can then clog pore throats, limiting production rates. In conclusion, pore-water freshening during gas hydrate dissociation can increase fines mobilization, particularly given the smectite identified in the fine-grained interbeds.},

  doi          = {10.1016/j.marpetgeo.2018.09.027},

  journal      = {Marine and Petroleum Geology},

  number       = ,

  volume       = 108,

  place        = {United States},

  year         = {2018},

  month        = {9}

}

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https://doi.org/10.1016/j.marpetgeo.2018.09.027

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Cited by: 11 works

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Figures / Tables:

Table 1: Gas hydrate zones in Area B, NGHP-02 (mbsf – meter below seafloor; the site number is listed as NGHP-02-xx)

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Figures / Tables found in this record:

Figure 4: Part 2 (p. 73)

Figure 4: Part 1 (p. 75)

Figure 5 (p. 76)

Figure 6: Part 1 (p. 78)

Figure 6: Part 2 (p. 80)

Figure 7 (p. 83)

Figures/Tables have been extracted from DOE-funded journal article accepted manuscripts.

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Pressure core analysis of geomechanical and fluid flow properties of seals associated with gas hydrate-bearing reservoirs in the Krishna-Godavari Basin, offshore India

Journal Article Jang, Junbong ; Dai, Sheng ; Yoneda, Jun ; ... - Marine and Petroleum Geology

Physical properties of the sediment directly overlying a gas hydrate reservoir provide important controls on the effectiveness of depressurizing that reservoir to extract methane from gas hydrate as an energy resource. The permeability of overlying sediment determines if a gas hydrate reservoir’s upper contact will provide an effective seal that enables efficient reservoir depressurization. Compressibility, stiffness and strength indicate how overlying sediment will deform as the in situ stress changes during production, providing engineering data for well designs. Assessing these properties requires minimally-disturbed sediment. India’s National Gas Hydrates Program Expedition 2 (NGHP-02) provided an opportunity to study these seal sedimentmore »« less
Cited by 17
https://doi.org/10.1016/j.marpetgeo.2018.08.015

Full Text Available
Evaluation of the performance of the oceanic hydrate accumulation at site NGHP-02-09 in the Krishna-Godavari Basin during a production test and during single and multi-well production scenarios

Journal Article Moridis, George J. ; Reagan, Matthew T. ; Queiruga, Alejandro F. ; ... - Marine and Petroleum Geology

The objective of this study is to quantify, by means of numerical simulation, the response of the complex system of gas hydrate accumulations at Site NGHP-02-09, Krishna-Godavari Basin, Indian Ocean, to different production conditions, and to determine the technical feasibility of gas production through depressurization-induced dissociation. The study assesses the suitability of the site for a long-term production test involving a single vertical well, and the long-term potential of the deposit under full-field production using a system of multiple vertical wells. We simulate gas and water flow, estimate the production performance of the accumulation and separately investigate the corresponding geomechanicalmore »« less
Cited by 9
https://doi.org/10.1016/j.marpetgeo.2018.12.001

Full Text Available
2D micromodel study of clogging behavior of fine-grained particles associated with gas hydrate production in NGHP-02 gas hydrate reservoir sediments

Journal Article Cao, Shuang C. ; Jang, Junbong ; Jung, Jongwon ; ... - Marine and Petroleum Geology

Fine-grained particles (fines) commonly coexist with coarse-grained sediments that host gas hydrate. These fines can be mobilized by liquid and gas flow during gas hydrate production. Once mobilized, fines can clog pore throats and reduce reservoir permeability. Even where particle sizes are smaller than pore-throat sizes, clogs can form due to clusters of fines. For certain types of fines, particularly swelling clays, cluster sizes depend on pore-fluid chemistry, which changes as pore-fluid freshens during gas hydrate dissociation. Fines can also be concentrated by a moving gas/liquid interface, increasing the chances of pore-throat clogging regardless of fines type. To test themore »« less
Cited by 6
https://doi.org/10.1016/j.marpetgeo.2018.09.010

Full Text Available
Numerical simulations of depressurization-induced gas production from an interbedded turbidite gas hydrate-bearing sedimentary section in the offshore India: Site NGHP-02-16 (Area-B)

Journal Article Myshakin, Evgeniy M. ; Seol, Yongkoo ; Lin, Jeen-Shang ; ... - Marine and Petroleum Geology

The recent National Gas Hydrate Program Expedition 02 (NGHP-02) identified the existence of gas hydrate-bearing sand reservoirs at a number of sites in the offshore of India including Site NGHP-02-16 in Area-B of the Krishna-Godavari Basin. The architecture of that gas hydrate accumulation is characterized by thin, gas hydrate-bearing, high quality sand layers interbedded with mud layers within a turbidite sedimentary interval. The lowest gas hydrate-bearing layer contacting a thinly-interbedded saline aquifer designates the base of the gas hydrate stability zone (BGHSZ). The proximity of the BGHSZ and the average temperature around 20 °C make the reservoir a favorable targetmore »« less
Cited by 16
https://doi.org/10.1016/j.marpetgeo.2018.10.047

Full Text Available
Impact of clays on the compressibility and permeability of sands during methane extraction from gas hydrate

Technical Report Jung, Jongwon

Background: The quantity of methane potentially recoverable from gas hydrate is large enough to motivate federally-supported production tests in several countries, which in turn motivates studies of reservoir production efficiency. Evaluating long-term production well viability involves modeling permeability evolution in the reservoir sediments around the production well because processes reducing the flow of gas into the production well also reduce the long-term economic viability of the well. Fine particles, such as clays, exist nearly ubiquitously in the permafrost and marine settings that typically host gas hydrate, and fines reacting to fluid flow by migrating and clogging pore throats can reducemore »« less
https://doi.org/10.2172/1558747

Full Text Available

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Title: Physical property characteristics of gas hydrate-bearing reservoir and associated seal sediments collected during NGHP-02 in the Krishna-Godavari Basin, in the offshore of India

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Key aspects of numerical analysis of gas hydrate reservoir performance: Alaska North Slope Prudhoe Bay Unit “L-Pad” hydrate accumulation journal, March 2018

Permeability of Cohesionless Soils journal, December 1974

Experimental Measurement of Methane and Carbon Dioxide Clathrate Hydrate Equilibria in Mesoporous Silica journal, April 2003

Subsurface gas hydrates in the northern Gulf of Mexico journal, June 2012

India National Gas Hydrate Program Expedition 02 summary of scientific results: Numerical simulation of reservoir response to depressurization journal, October 2019

2D micromodel study of clogging behavior of fine-grained particles associated with gas hydrate production in NGHP-02 gas hydrate reservoir sediments journal, October 2019

Goodbye, Hazen; Hello, Kozeny-Carman journal, November 2003

Particle Shape Effects on Packing Density, Stiffness, and Strength: Natural and Crushed Sands journal, May 2006

Geologic implications of gas hydrates in the offshore of India: Results of the National Gas Hydrate Program Expedition 01 journal, December 2014

India National Gas Hydrate Program Expedition 02 Summary of Scientific Results: Gas hydrate systems along the eastern continental margin of India journal, October 2019

Electrical anisotropy due to gas hydrate-filled fractures journal, November 2010

Permeability anisotropy and relative permeability in sediments from the National Gas Hydrate Program Expedition 02, offshore India journal, October 2019

Origin of gas in gas hydrates as interpreted from geochemistry data obtained during the National Gas Hydrate Program Expedition 02, Krishna Godavari Basin, offshore India journal, October 2019

The Distinction between Grain Size and Mineral Composition in Sedimentary-Rock Nomenclature journal, July 1954

Formation of natural gas hydrates in marine sediments: 2. Thermodynamic calculations of stability conditions in porous sediments journal, October 1999

Gas hydrates (clathrates) causing pore-water freshening and oxygen isotope fractionation in deep-water sedimentary sections of terrigenous continental margins journal, November 1981

Gas hydrate saturation and morphology from analysis of pressure cores acquired in the Bay of Bengal during expedition NGHP-02, offshore India journal, October 2019

Regional stratigraphic framework and gas hydrate occurrence offshore eastern India: Core-log-seismic integration of National Gas Hydrate Program Expedition 02 (NGHP-02) Area-B drill sites journal, October 2019

Lithological features of hydrate-bearing sediments and their relationship with gas hydrate saturation in the eastern Nankai Trough, Japan journal, September 2015

Preferential Mode of gas invasion in sediments: Grain-scale mechanistic model of coupled multiphase fluid flow and sediment mechanics journal, January 2009

Impact of Pore Fluid Chemistry on Fine-Grained Sediment Fabric and Compressibility journal, July 2018

Pressure core analysis of geomechanical and fluid flow properties of seals associated with gas hydrate-bearing reservoirs in the Krishna-Godavari Basin, offshore India journal, October 2019

Fines Classification Based on Sensitivity to Pore-Fluid Chemistry journal, April 2016

Closure to “Fines Classification Based on Sensitivity to Pore-Fluid Chemistry” by Junbong Jang and J. Carlos Santamarina journal, July 2017

Gas hydrate saturation and reservoir characterization at sites NGHP-02-17 and NGHP-02-19, Krishna Godavari Basin, eastern margin of India journal, October 2019

Numerical analysis of gas production potential from a gas-hydrate reservoir at Site NGHP-02-16, the Krishna–Godavari Basin, offshore India–Feasibility of depressurization method for ultra-deepwater environment journal, October 2019

India National Gas Hydrate Program Expedition-02: Operational and technical summary journal, October 2019

Gas hydrates-geological perspective and global change journal, May 1993

In-situ gas hydrate hydrate saturation estimated from various well logs at the Mount Elbert Gas Hydrate Stratigraphic Test Well, Alaska North Slope journal, February 2011

Gas hydrate saturations estimated from fractured reservoir at Site NGHP-01-10, Krishna-Godavari Basin, India journal, January 2009

Assessing the geomechanical stability of interbedded hydrate-bearing sediments under gas production by depressurization at NGHP-02 Site 16 journal, October 2019

Hydrate petroleum system approach to natural gas hydrate exploration journal, March 2014

Diffuse Double-Layer Models, Long-Range Forces, and Ordering in Clay Colloids journal, January 2002

Diatom sinkings speeds: Improved predictions and insight from a modified Stokes' law journal, October 2010

Thermal properties of highly saturated methane hydrate-bearing sediments recovered from the Krishna–Godavari Basin journal, October 2019

Rise of the base of the gas hydrate zone since the last glacial recorded by rock magnetism journal, January 2006

Numerical simulations of depressurization-induced gas production from an interbedded turbidite gas hydrate-bearing sedimentary section in the offshore India: Site NGHP-02-16 (Area-B) journal, October 2019

Lithofacies characterization of gas hydrate prospects discovered during the National Gas Hydrate Program expedition 02, offshore Krishna-Godavari Basin, India journal, October 2019

Lithological properties of natural gas hydrate–bearing sediments in pressure-cores recovered from the Krishna–Godavari Basin journal, October 2019

Experimental study of mud erosion at the interface of an artificial sand-mud alternate layer journal, August 2016

Fabric map for kaolinite: effects of pH and ionic concentration on behavior journal, June 2005

Revised Soil Classification System for Coarse-Fine Mixtures journal, August 2017

Long-timescale variation in bulk and clay mineral composition of Indian continental margin sediments in the Bay of Bengal, Arabian Sea, and Andaman Sea journal, December 2014

DLVO Theory and Clay Aggregate Architectures Formed with AlCl3 journal, June 1999

Crustal structure and rift architecture across the Krishna–Godavari basin in the central Eastern Continental Margin of India based on analysis of gravity and seismic data journal, November 2012

The hydraulic conductivity of sediments: A pore size perspective journal, January 2018

Scientific results of the Second Gas Hydrate Drilling Expedition in the Ulleung Basin (UBGH2) journal, November 2013

Gas hydrate occurrence and distribution controlled by regional geological structure off eastern India: Estimates from logging-while-drilling in Area-B, National Gas Hydrate Program Expedition 02 (NGHP-02) journal, October 2019

Specific surface: determination and relevance journal, February 2002

Gas hydrate saturation from seismic data constrained by log data in the Krishna-Godavari Basin journal, May 2015

Gas hydrate reservoir identification, delineation, and characterization in the Krishna-Godavari basin using subsurface geologic and geophysical data from the national gas hydrate program 02 expedition, offshore India journal, October 2019

On the electrostatic interaction in macroionic solutions journal, December 1984

Diagenesis, sediment strength, and pore collapse in sediment approaching the Nankai Trough subduction zone journal, March 2007

The Lower Jurassic Johansen Formation, northern North Sea – Depositional model and reservoir characterization for CO2 storage journal, November 2016

Methane hydrate formation in turbidite sediments of northern Cascadia, IODP Expedition 311 journal, July 2008

Numerical simulations of sand migration during gas production in hydrate-bearing sands interbedded with thin mud layers at site NGHP-02-16 journal, October 2019

Dissociation Condition Measurements of Methane Hydrate in Confined Small Pores of Porous Glass journal, May 1999

Particle transport in a nonuniform flow field: Retardation and clogging journal, June 2007

Multi-measurement approach for establishing the base of gas hydrate occurrence in the Krishna-Godavari Basin for sites cored during expedition NGHP-02 in the offshore of India journal, October 2019

Downhole physical property-based description of a gas hydrate petroleum system in NGHP-02 Area C: A channel, levee, fan complex in the Krishna-Godavari Basin offshore eastern India journal, October 2019

The enigmatic consolidation of diatomaceous sediment journal, March 2017

Comparison of the physical and geotechnical properties of gas-hydrate-bearing sediments from offshore India and other gas-hydrate-reservoir systems journal, December 2014

Predicting the occurrence, distribution, and evolution of methane gas hydrate in porous marine sediments journal, March 1999

Permeability variation and anisotropy of gas hydrate-bearing pressure-core sediments recovered from the Krishna–Godavari Basin, offshore India journal, October 2019

Pressure core based onshore laboratory analysis on mechanical properties of hydrate-bearing sediments recovered during India's National Gas Hydrate Program Expedition (NGHP) 02 journal, October 2019

Compressional and shear wave velocities in uncemented sediment containing gas hydrate journal, January 2005

Gas Hydrate Scenario in India book, September 2019

Key aspects of numerical analysis of gas hydrate reservoir performance: Alaska North Slope Prudhoe Bay Unit “L-Pad” hydrate accumulation
journal, March 2018

Permeability of Cohesionless Soils
journal, December 1974

Experimental Measurement of Methane and Carbon Dioxide Clathrate Hydrate Equilibria in Mesoporous Silica
journal, April 2003

Subsurface gas hydrates in the northern Gulf of Mexico
journal, June 2012

India National Gas Hydrate Program Expedition 02 summary of scientific results: Numerical simulation of reservoir response to depressurization
journal, October 2019

2D micromodel study of clogging behavior of fine-grained particles associated with gas hydrate production in NGHP-02 gas hydrate reservoir sediments
journal, October 2019

Goodbye, Hazen; Hello, Kozeny-Carman
journal, November 2003

Particle Shape Effects on Packing Density, Stiffness, and Strength: Natural and Crushed Sands
journal, May 2006

Geologic implications of gas hydrates in the offshore of India: Results of the National Gas Hydrate Program Expedition 01
journal, December 2014

India National Gas Hydrate Program Expedition 02 Summary of Scientific Results: Gas hydrate systems along the eastern continental margin of India
journal, October 2019

Electrical anisotropy due to gas hydrate-filled fractures
journal, November 2010

Permeability anisotropy and relative permeability in sediments from the National Gas Hydrate Program Expedition 02, offshore India
journal, October 2019

Origin of gas in gas hydrates as interpreted from geochemistry data obtained during the National Gas Hydrate Program Expedition 02, Krishna Godavari Basin, offshore India
journal, October 2019

The Distinction between Grain Size and Mineral Composition in Sedimentary-Rock Nomenclature
journal, July 1954

Formation of natural gas hydrates in marine sediments: 2. Thermodynamic calculations of stability conditions in porous sediments
journal, October 1999

Gas hydrates (clathrates) causing pore-water freshening and oxygen isotope fractionation in deep-water sedimentary sections of terrigenous continental margins
journal, November 1981

Gas hydrate saturation and morphology from analysis of pressure cores acquired in the Bay of Bengal during expedition NGHP-02, offshore India
journal, October 2019

Regional stratigraphic framework and gas hydrate occurrence offshore eastern India: Core-log-seismic integration of National Gas Hydrate Program Expedition 02 (NGHP-02) Area-B drill sites
journal, October 2019

Lithological features of hydrate-bearing sediments and their relationship with gas hydrate saturation in the eastern Nankai Trough, Japan
journal, September 2015

Preferential Mode of gas invasion in sediments: Grain-scale mechanistic model of coupled multiphase fluid flow and sediment mechanics
journal, January 2009

Impact of Pore Fluid Chemistry on Fine-Grained Sediment Fabric and Compressibility
journal, July 2018

Pressure core analysis of geomechanical and fluid flow properties of seals associated with gas hydrate-bearing reservoirs in the Krishna-Godavari Basin, offshore India
journal, October 2019

Fines Classification Based on Sensitivity to Pore-Fluid Chemistry
journal, April 2016

Closure to “Fines Classification Based on Sensitivity to Pore-Fluid Chemistry” by Junbong Jang and J. Carlos Santamarina
journal, July 2017

Gas hydrate saturation and reservoir characterization at sites NGHP-02-17 and NGHP-02-19, Krishna Godavari Basin, eastern margin of India
journal, October 2019

Numerical analysis of gas production potential from a gas-hydrate reservoir at Site NGHP-02-16, the Krishna–Godavari Basin, offshore India–Feasibility of depressurization method for ultra-deepwater environment
journal, October 2019

India National Gas Hydrate Program Expedition-02: Operational and technical summary
journal, October 2019

Gas hydrates-geological perspective and global change
journal, May 1993

In-situ gas hydrate hydrate saturation estimated from various well logs at the Mount Elbert Gas Hydrate Stratigraphic Test Well, Alaska North Slope
journal, February 2011

Gas hydrate saturations estimated from fractured reservoir at Site NGHP-01-10, Krishna-Godavari Basin, India
journal, January 2009

Assessing the geomechanical stability of interbedded hydrate-bearing sediments under gas production by depressurization at NGHP-02 Site 16
journal, October 2019

Hydrate petroleum system approach to natural gas hydrate exploration
journal, March 2014

Diffuse Double-Layer Models, Long-Range Forces, and Ordering in Clay Colloids
journal, January 2002

Diatom sinkings speeds: Improved predictions and insight from a modified Stokes' law
journal, October 2010

Thermal properties of highly saturated methane hydrate-bearing sediments recovered from the Krishna–Godavari Basin
journal, October 2019

Rise of the base of the gas hydrate zone since the last glacial recorded by rock magnetism
journal, January 2006

Numerical simulations of depressurization-induced gas production from an interbedded turbidite gas hydrate-bearing sedimentary section in the offshore India: Site NGHP-02-16 (Area-B)
journal, October 2019

Lithofacies characterization of gas hydrate prospects discovered during the National Gas Hydrate Program expedition 02, offshore Krishna-Godavari Basin, India
journal, October 2019

Lithological properties of natural gas hydrate–bearing sediments in pressure-cores recovered from the Krishna–Godavari Basin
journal, October 2019

Experimental study of mud erosion at the interface of an artificial sand-mud alternate layer
journal, August 2016

Fabric map for kaolinite: effects of pH and ionic concentration on behavior
journal, June 2005

Revised Soil Classification System for Coarse-Fine Mixtures
journal, August 2017

Long-timescale variation in bulk and clay mineral composition of Indian continental margin sediments in the Bay of Bengal, Arabian Sea, and Andaman Sea
journal, December 2014

DLVO Theory and Clay Aggregate Architectures Formed with AlCl3
journal, June 1999

Crustal structure and rift architecture across the Krishna–Godavari basin in the central Eastern Continental Margin of India based on analysis of gravity and seismic data
journal, November 2012

The hydraulic conductivity of sediments: A pore size perspective
journal, January 2018

Scientific results of the Second Gas Hydrate Drilling Expedition in the Ulleung Basin (UBGH2)
journal, November 2013

Gas hydrate occurrence and distribution controlled by regional geological structure off eastern India: Estimates from logging-while-drilling in Area-B, National Gas Hydrate Program Expedition 02 (NGHP-02)
journal, October 2019

Specific surface: determination and relevance
journal, February 2002

Gas hydrate saturation from seismic data constrained by log data in the Krishna-Godavari Basin
journal, May 2015

Gas hydrate reservoir identification, delineation, and characterization in the Krishna-Godavari basin using subsurface geologic and geophysical data from the national gas hydrate program 02 expedition, offshore India
journal, October 2019

On the electrostatic interaction in macroionic solutions
journal, December 1984

Diagenesis, sediment strength, and pore collapse in sediment approaching the Nankai Trough subduction zone
journal, March 2007

The Lower Jurassic Johansen Formation, northern North Sea – Depositional model and reservoir characterization for CO2 storage
journal, November 2016

Methane hydrate formation in turbidite sediments of northern Cascadia, IODP Expedition 311
journal, July 2008

Numerical simulations of sand migration during gas production in hydrate-bearing sands interbedded with thin mud layers at site NGHP-02-16
journal, October 2019

Dissociation Condition Measurements of Methane Hydrate in Confined Small Pores of Porous Glass
journal, May 1999

Particle transport in a nonuniform flow field: Retardation and clogging
journal, June 2007

Multi-measurement approach for establishing the base of gas hydrate occurrence in the Krishna-Godavari Basin for sites cored during expedition NGHP-02 in the offshore of India
journal, October 2019

Downhole physical property-based description of a gas hydrate petroleum system in NGHP-02 Area C: A channel, levee, fan complex in the Krishna-Godavari Basin offshore eastern India
journal, October 2019

The enigmatic consolidation of diatomaceous sediment
journal, March 2017

Comparison of the physical and geotechnical properties of gas-hydrate-bearing sediments from offshore India and other gas-hydrate-reservoir systems
journal, December 2014

Predicting the occurrence, distribution, and evolution of methane gas hydrate in porous marine sediments
journal, March 1999

Permeability variation and anisotropy of gas hydrate-bearing pressure-core sediments recovered from the Krishna–Godavari Basin, offshore India
journal, October 2019

Pressure core based onshore laboratory analysis on mechanical properties of hydrate-bearing sediments recovered during India's National Gas Hydrate Program Expedition (NGHP) 02
journal, October 2019

Compressional and shear wave velocities in uncemented sediment containing gas hydrate
journal, January 2005

Gas Hydrate Scenario in India
book, September 2019