Results 121 to 130 of about 2,457,187 (381)
Formation protection method of oil‐based drilling fluid for deep fractured tight gas reservoir
Energy Science & Engineering, 2020 Deep fractured tight gas reservoirs have attracted more and more attention worldwide, which also promotes the large‐scale application of oil‐based drilling fluids.
Xiao Guo +5 more
semanticscholar +1 more source
Transforming Cellulose Into Functional Three‐Dimensional Structures
Advanced Functional Materials, EarlyView.Cellulose is promising for replacing synthetic polymers due to its excellent mechanical properties and low cost. This review highlights the recent advancements in transforming cellulose into functional 3D structures, including liquid gels and porous materials.
Xia Sun +5 more
wiley +1 more source
Systems Science & Control Engineering, 2019 Continuous-wave pulse generator plays an important role in generating high-quality pulse signals in measurement while drilling systems. However, the generator affects the quality of pressure wave signals due to erosion on the continuous wave generator ...
Zhidan Yan +7 more
doaj +1 more source
Power consumption of rock decomposition process during diamond core drilling using pulse flushing [PDF]
, 2018 Purpose. To study the impact of pulse flushing on the power consumption of rock decomposition during diamond core drilling. Methods. Theoretical analysis, processing of the obtained experimental data. Findings. The decrease in power consumption of rock
Dreus, A, Kozhevnykov, A
core +1 more source
Substrate Engineering for Durable Omniphobic Liquid‐Like Surfaces
Advanced Functional Materials, EarlyView.The significant yet less investigated role of substrates in determining the liquid‐repellency and mechanical durability of liquid‐like surfaces (LLSs) is explored. Thick and crack‐free sol–gel silica intermediary layers are developed that can smoothen substrate asperity roughness even at the micron scale, enabling omniphobic polydimethylsiloxane‐based ...
Tao Wen +6 more
wiley +1 more source
Space weather effects on drilling accuracy in the North Sea [PDF]
, 2005 The oil industry uses geomagnetic field information to aid directional drilling operations when drilling for oil and gas offshore. These operations involve continuous monitoring of the azimuth and inclination of the well path to ensure the target is ...
Allen, W. +6 more
core +5 more sources
Advanced Functional Materials, EarlyView.Electric control of magnetic tunnel junctions offers a path to drastically reduce the energy requirements of the device. Electric field control of magnetization can be realized in a multitude of ways. These mechanisms can be integrated into existing spintronic devices to further reduce the operational energy.
Will Echtenkamp +7 more
wiley +1 more source
Assessment of the Biogenic Souring in Oil Reservoirs under Secondary and Tertiary Oil Recovery
EnergiesThe formation of hydrogen sulfide (H2S) in petroleum reservoirs by anaerobic microbial activity (through sulfate-reducing microorganisms, SRMs) is called biogenic souring of reservoirs and poses a risk in the petroleum industry as the compound is ...
Hakan Alkan +5 more
doaj +1 more source
Automated operational states detection for drilling systems control in critical conditions
, 2013 Critical events in industrial drilling should be overcome by engineers while they maintain safety and achieve their targeted operational drilling plans.
Sabeur, Zoheir, Veres, Galina
core
The study of melting process of the new plugging material at thermomechanical isolation technology of permeable horizons of mine opening [PDF]
, 2018 The article presents the results of experimental and theoretical studies, the purpose of which was to substantiate the technology of drilling wells isolation using new thermoplastic composite material.
Dreus, Andrii +3 more
core +1 more source