Results 121 to 130 of about 2,122,647 (281)

Ohio Utica Shale Gas Monitor [PDF]

open access: yes, 2013
Development of the Utica Shale is impacting the economy of nearly every one of Ohio’s 88 counties. Although still in the exploration phase, the Utica Shale is triggering wealth creation even as the ongoing build-out of the formation’s midstream of ...
Kinahan, Kelly, Hill, Edward W
core  

Siliceous sponges or seawater as a silicon source? Tracing silicon burial pathways of the Upper Cretaceous opal‐CT deposits using δ30Si and δ7Li

open access: yesSedimentology, EarlyView.
ABSTRACT Classical models of formation of sedimentary siliceous rocks (flint, chert, opoka) commonly assume that the Cretaceous marine silicon (Si) cycle was primarily biologically controlled, broadly analogous to the modern ocean. In this framework, siliceous sponges are regarded as the principal source of dissolved silica (dSi) to sediment porewaters,
Agata Jurkowska   +4 more
wiley   +1 more source

Investigation of Hydraulic Fracture Propagation Characteristics in the Shale Reservoir With Natural Fractures and Bedding Plane

open access: yesGeofluids
Hydraulic fracturing is the principal technical method about the generation of sophisticated fracture system in shale gas development; there are still significant challenges in enunciating the origination and extension of hydraulic fracture and ...
Daixin Deng   +8 more
doaj   +1 more source

Recent Advances in Boron Removal From Geothermal Waters: A Review

open access: yesWater and Environment Journal, EarlyView.
This review provides a comprehensive overview of boron removal technologies from geothermal fluids and highlights the limitations of conventional treatment methods. Ion exchange, hybrid processes and membrane filtration are identified as the most dominant approaches in recent studies.
Saadet Acar Can, Hasan Koseoglu
wiley   +1 more source

Development characteristics of natural fractures in horizontal wells for deep shale gas and their implications for enhanced development: a case study of Wufeng-Longmaxi formations in Luzhou area, southern Sichuan Basin

open access: yesShiyou shiyan dizhi
The analysis of natural fracture development characteristics is crucial for evaluating deep shale gas exploration and development. It provides valuable insights for assessing reservoir quality comprehensively and designing fracturing strategies ...
Xuefeng YANG   +5 more
doaj   +1 more source

OS-01 SCEEP: Report on economics of environmental protection for a federal oil shale leasing program

open access: yes, 1971
Prepared for the Director of Natural Resources of the State of Colorado.Authors' names are from citation listed on the Colorado Geological Survey's website.This report was prepared at the request of Thomas W.
Tweedy, John B.   +4 more
core  

Shale gas exploitation: Status, problems and prospect

open access: yes, 2018
Over the past five years, great progress has been made in shale gas exploitation, which has become the most driving force for global gas output growth. Hydrocarbon extraction from shale helps drive the USA on the road to energy independence.
Shiqian Wang
core   +1 more source

Optimizing subsurface carbon-energy synergy by balancing diffusion and convection via physics-informed Bayesian learning

open access: yesScientific Reports
The co-optimization of enhanced oil recovery and carbon dioxide sequestration in shale reservoirs is fundamentally constrained by the competing physics of molecular diffusion and pressure-driven convection—a challenge that existing data-driven ...
Zongfa Li   +9 more
doaj   +1 more source

Geochemical Characteristics and Gas Source Analysis of Natural Gas from the Lower Jurassic in Northeastern Sichuan Basin

open access: yesYankuang ceshi
The northeastern Sichuan Basin is rich in natural gas resources, with exploration breakthroughs achieved by multiple oil and gas companies in the Lower Jurassic strata, including the Ziliujing and Lianggaoshan formations.
Xiyao REN   +5 more
doaj   +1 more source

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