Results 81 to 90 of about 80,069 (363)
Geophysical investigation of the Pb-Zn deposit of Lontzen-Poppelsberg, Belgium [PDF]
, 2018 The drillhole information from the Lontzen-Poppelsberg site has demonstrated three orebodies and has allowed the estimation of the extension of the lodes, their dip, and the location at the ground surface.
Chouteau, Michel +6 more
core +5 more sources
Iraqi Journal of Chemical and Petroleum EngineeringAn effective drilling operation relies substantially on a reliable drilling fluid system, significantly impacting its success. Drilling fluids, particularly reservoir drill-in fluids (RDF), are crucial for minimizing formation damage and maximizing ...
Zaid E. M. ALZubaidi +2 more
doaj +1 more source
Contamination effects of drilling fluid additives on cement slurry
Natural Gas Industry B, 2015 During the cementation of deep wells, contamination at the contact surface between cement slurry and drilling fluid will present a technical challenge, which may threaten operation safety.
Youzhi Zheng +6 more
doaj +1 more source
Advanced Functional Materials, EarlyView.MAGTWIST: A compact magnetic rotary actuator, enabling smooth, stepless rotation, and on‐demand locking. Inspired by peristalsis, a soft polymer belt generates a traveling‐wave, enabling 270° rotation when heated. Cooling stiffens the belt, locking it in position and enabling it to withstand high loads.
Simon Frieler +3 more
wiley +1 more source
The Human Right to Water and Unconventional Energy [PDF]
, 2018 Access to water, in sufficient quantities and of sufficient quality is vital for human health. The United Nations Committee on Economic, Social and Cultural Rights (in General Comment 15, drafted 2002) argued that access to water was a condition for the ...
Auch, Walter E. Ted +2 more
core +1 more source
Research progress and prospect of cooling technology for drilling fluid in deep and ultra-deep wells
工程科学学报Rapid advancement and widespread deployment of deep and ultra-deep wells in major oilfields, both domestically and internationally, have highlighted the challenges of elevated downhole temperatures in modern drilling operations.
Chao ZHANG +8 more
doaj +1 more source
Synthesis of novel polymer nanocomposite for water-based drilling fluids [PDF]
, 2020 Hafiz Mudaser Ahmad +3 more
openalex +1 more source
Nanolayer‐Encapsulated Stretchable Liquid‐Metal Sheets for Thermal Management
Advanced Functional Materials, EarlyView.A stretchable liquid metal sheet with both high thermal conductivity and mechanical flexibility is developed. Its trilayer structure, comprising copper‐particle‐dispersed gallium liquid metal encapsulated by styrene‐butadiene‐styrene nanosheets, shows 40.4 W m−1 K−1 conductivity, elongation exceeding 200%, and retention of 96% of its initial ...
Daisuke Kuse +16 more
wiley +1 more source
Nanomaterial-Based Drilling Fluids for Exploitation of Unconventional Reservoirs: A Review
Energies, 2020 The world’s energy demand is steadily increasing where it has now become difficult for conventional hydrocarbon reservoir to meet levels of demand.
Muhammad Ali +8 more
doaj +1 more source
Advanced Functional Materials, EarlyView.Solution‐processed OLEDs containing discotic liquid‐crystalline MR‐TADF emitters are reported. Supramolecular self‐assembly induces homeotropic columnar alignment, enforcing preferential horizontal orientation of the emitter transition dipole moment in spin‐coated films, which leads to an enhancement in the device light outcoupling efficiency while ...
Joydip De +6 more
wiley +1 more source