Results 131 to 140 of about 25,400 (259)

On the Comovement of Contango and Backwardation Across Futures Commodity Markets

open access: yesJournal of Futures Markets, Volume 46, Issue 6, Page 955-981, June 2026.
ABSTRACT We examine the time‐varying nature of the comovement of the slope of the futures curve in major agricultural, metals and energy commodity futures markets in a Global Vector Autoregressive model. We find significant comovement between the slopes, indicating the co‐existence of backwardation and contango in many seemingly unrelated commodity ...
Angelo Luisi   +2 more
wiley   +1 more source

Evaluation of oil-water separation techniques on retort no. 3

open access: yes, 2022
Technical memorandum no. 67-21.Includes charts.These technical memoranda pertain to work performed at Anvil Points.The United States Bureau of Mines facility at Anvil Points, near Rifle, Colorado, was reactivated starting in May 1964 and was operated ...

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Why Do Hedgers Hedge? The Role of Ambiguity

open access: yesJournal of Futures Markets, Volume 46, Issue 6, Page 1053-1078, June 2026.
ABSTRACT This paper investigates whether ambiguity influences hedging behavior in commodity futures markets. Using high‐frequency crude oil futures data, distinct measures of risk and ambiguity are linked to weekly hedging positions from the Commodity Futures Trading Commission (CFTC).
Fiona Höllmann
wiley   +1 more source

Research and application of 3D attribute fusion technology based on lithology probability analysis

open access: yesScientific Reports
To address the challenges of seismic attribute selection and the low accuracy of characterizing single-phase river channels with a single seismic attribute, a 3D seismic attribute fusion technology based on lithology probability curve analysis has been ...
Shanyi Zhang   +5 more
doaj   +1 more source

List of technical memoranda issued at Socony Mobil Oil Company, Inc.

open access: yes, 2022
List of Technical Memoranda with numbers and titles.The United States Bureau of Mines facility at Anvil Points, near Rifle, Colorado, was reactivated starting in May 1964 and was operated during 1965, 1966, and 1967.

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A Structured Review of Selenium Pollution in Global Aquatic Environments: Sources, Levels, and Co‐Pollutants

open access: yesEnvironmental Quality Management, Volume 35, Issue 4, Summer 2026.
ABSTRACT Despite its nutritional and industrial significance, selenium (Se) is considered a pollutant in aquatic environments owing to its toxicity at elevated concentrations, which potentially cause environmental degradation and adverse health effects in humans and local biota.
Jorge Enrique Ascencio‐Damian   +2 more
wiley   +1 more source

The effect of structural preservation conditions on pore structure of marine shale reservoir: a case study of the Wufeng-Longmaxi Formation shale, Southern Sichuan Basin, China

open access: yesFrontiers in Earth Science
The marine shale within the Sichuan Basin constitutes China’s significant shale gas production, featuring old formation age, high degree of thermal evolution, multiple tectonic movements, and complex structural conditions.
Weiming Yu   +17 more
doaj   +1 more source

Mobil Oil Corporation Research Department, Anvil Points Research Program Agreement and Assignment

open access: yes, 2022
Agreement and assignment for companies involved with work at Anvil Points.The United States Bureau of Mines facility at Anvil Points, near Rifle, Colorado, was reactivated starting in May 1964 and was operated during 1965, 1966, and 1967.

core  

Terrestrial Analogs to Titan for Geophysical Research

open access: yesReviews of Geophysics, Volume 64, Issue 2, June 2026.
Abstract Saturn's moon Titan exhibits remarkable parallels to the Earth in many geophysical and geological processes not found elsewhere in the solar system at the present day. These include a nitrogen atmosphere with a condensible gas—methane—replacing the Earth's water, leading to an active meteorology with rainfall and surface manifestations ...
Conor A. Nixon   +21 more
wiley   +1 more source

Laboratory experimental research on production characteristics with CO2 injection in shale oil

open access: yesShiyou shiyan dizhi
Depletion development of shale oil reservoirs after fracturing tends to face challenges including rapid production decline, rapid formation energy attenuation, and low recovery efficiency.
Maolei CUI   +7 more
doaj   +1 more source

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