Organic and inorganic geochemistry of upper Paleozoic marine-to-continental transitional shales and the implications for organic matter enrichment, Ordos Basin …

Y Li, L Xu, Z **g, X Wu, W Hu - Energy & Fuels, 2023 - ACS Publications
Natural gas has been produced from tight sandstones and coal seams from the
Pennsylvanian Benxi and Taiyuan and the Cisuralian (Permian) Shanxi formations in the …

Seasonal and tidal influence for water quality changes in coastal Bolgoda Lake system, Sri Lanka

AS Ratnayake, NP Ratnayake, Y Sampei… - Journal of Coastal …, 2018 - Springer
The variation in physicochemical properties is a notable feature to identify hydrodynamic
and biogeochemical processes in coastal aquatic systems. In this study, the spatial and …

Middle to late Holocene environmental changes in the depositional system of the tropical brackish Bolgoda Lake, coastal southwest Sri Lanka

AS Ratnayake, Y Sampei, NP Ratnayake… - Palaeogeography …, 2017 - Elsevier
Abstract The tropical Bolgoda Lake is one of the largest lagoonal estuaries in Sri Lanka.
Organic constituents in this lake were investigated using 28 surface sediments, three cores …

An overview of organic geochemical indices to evaluate conventional petroleum source rocks: a summary of examples from the Indian Subcontinent

AS Ratnayake - Petroleum Science and Technology, 2024 - Taylor & Francis
The elemental, isotopic, and molecular (biomarker) compositions of sedimentary organic
matter help to evaluate conventional petroleum source rocks. The objectives of this overview …

Diversification and biogeography of Dawkinsia (Teleostei: Cyprinidae) in the Western Ghats-Sri Lanka biodiversity hotspot

H Sudasinghe, R Raghavan, N Dahanukar… - Organisms Diversity & …, 2021 - Springer
The cyprinid genus Dawkinsia comprises 13 species distributed in lowland streams and
rivers in southern peninsular India and Sri Lanka. Eleven species are endemic to India …

Resource utilization from solid waste originated from oil-based shale drilling cutting during shale gas development

G Zhang, F Zhao, X Cheng, S Huang, C Zhang, M Zhou… - Chemosphere, 2022 - Elsevier
With the large-scale development of shale gas, oil-based drilling fluids are widely used,
generating significant amounts of solid wastes from oil-based shale drilling cutting (OBSDC) …

Diagnostic screening of organic contaminant level in solidified/stabilized pre-treated oil-based drill cuttings

PP Araka, RN Okparanma, JM Ayotamuno - Heliyon, 2019 - cell.com
The reuse of solidified/stabilized low-temperature thermally desorbed (pre-treated) oil-based
drill cuttings for construction purposes is becoming increasingly attractive in recent times; …

Play distribution and the hydrocarbon potential of the Mannar Basin, Sri Lanka

E Kularathna, H Pitawala, A Senaratne… - Journal of Petroleum …, 2020 - Springer
Abstract The Mannar Basin is a frontier failed rift basin between India and Sri Lanka. The Sri
Lankan part has an area exceeding 42,000 km 2. Although the recent two gas discoveries …

Sedimentological observations and geochemical characteristics of paleo-tsunami deposits along the east coast of Sri Lanka in the Indian Ocean

AS Ratnayake, TDU Wijewardhana, T Haraguchi… - Quaternary …, 2023 - Elsevier
Abstract The 2004 Indian Ocean tsunami caused 230,000 fatalities and massive physical
damage along the shorelines of the Indian Ocean. Holocene sedimentary archives along the …

Assessment of hydrocarbon generation potential and thermal maturity of the offshore Mannar Basin, Sri Lanka

AS Ratnayake, CW Kularathne, Y Sampei - Journal of Petroleum …, 2018 - Springer
Abstract The Mannar Basin is an under-explored offshore sedimentary basin in terms of
petroleum geology. The Cretaceous to Paleogene cutting samples were collected in three …