Results 101 to 110 of about 21,023 (296)
Hydraulic fracture optimization using hydraulic fracture and reservoir modeling in the Piceance Basin, Colorado [PDF]
, 2012 textHydraulic fracturing is an important stimulation method for producing unconventional gas reserves. Natural fractures are present in many low-permeability gas environments and often provide important production pathways for natural gas. The production
Reynolds, Harris Allen
core +1 more source
The significance of geological data at hydraulic fracturing planning
Мінеральні ресурси України, 2018 Scientific and methodological aspects of the development of oil and gas fields at the use of hydraulic fracturing have been considered. The causes of unsatisfactory results at hydraulic fracturing, and also factors to be taken into account when choosing ...
H. I. Rudko +4 more
doaj +1 more source
Battery Energy, Volume 4, Issue 2, March 2025.Three biobased membranes are synthesized by crosslinking oxidized Kraft lignin with poly(ethylene glycol) diglycidyl ether of increasing molecular weights. After incorporation of solvated potassium salts, potassium batteries including these biobased gel polymer electrolytes are able to deliver a maximum specific capacity at 0.05 A g−1 as high as 130 ...
Giuseppe Pascuzzi +5 more
wiley +1 more source
Determination of the state of stress at the Stripa Mine, Sweden [PDF]
, 1982 The state of stress at the Stripa Mine has been measured both in a 381-m-deep hole drilled from the surface and in holes drilled from the drifts underground.
Hustrulid, W.A., +4 more
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GeoresursyThis article reviews the evolution of hydraulic fracturing (HF) technologies for the carbonate sediments of the kashirsky and podolsky horizons of the Arlanskoe oilfield (the Republic of Bashkortostan and the Udmurt Republic) by the influence of changes ...
Ya. R. Islamov +7 more
doaj +1 more source
Chemie Ingenieur Technik, EarlyView.This study explores the process chain for reverse engineering and additive manufacturing of a water pump impeller in a process plant. Key aspects include digital twin creation, CAD redesign, material certification, Hirtisation postprocessing, and performance testing. Insights highlight iterative design for improved precision and reliability.
Michael Stadler +3 more
wiley +1 more source
Simulation and design of energized hydraulic fractures [PDF]
, 2009 textHydraulic fracturing is essential for producing gas and oil at an economic rate from low permeability sands. Most fracturing treatments use water and polymers with a gelling agent as a fracturing fluid.
Friehauf, Kyle Eugene
core +1 more source
Peroxodisulfate‐Enhanced Leaching of Deep‐Sea Manganese Crusts and Sulfides
Chemie Ingenieur Technik, EarlyView.Ammonium peroxodisulfate enables efficient leaching of deep‐sea manganese crusts and massive sulfides while offering electrolytic recycling. High leaching yields for V, Mn, Co, Mo, Sn, and W, along with complete leaching of As and Sb, highlight its potential as a powerful and sustainable oxidant for marine resource processing.
Bastian Hansel +5 more
wiley +1 more source
Drilling for oil and gas in New Zealand: environmental oversight and regulation [PDF]
, 2014 This report analyses the complex system of laws, agencies, and processes that regulate New Zealand\u27s oil and gas industry. Introduction In part due to the technique of hydraulic fracturing or ‘fracking’, more wells are being drilled in Taranaki and ...
Parliamentary Commissioner for the Environment
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Chemie Ingenieur Technik, EarlyView.Integrating thermo‐responsive draw solutions with suitable water‐recovery technologies could enable more efficient hybrid desalination. This study compares pervaporation and nanofiltration, revealing key trade‐offs between water productivity and polymer retention and providing guidance for future FO‐based brine treatment systems.
Nadin Al‐Jariry +9 more
wiley +1 more source