Results 81 to 90 of about 25,064 (299)
ABSTRACT A thermosetting in situ curing resin microsphere system has been developed. It has controllable phase transition time and particle size. This system addresses the current challenges of low strength, shear susceptibility, and short phase transition time in polymer microsphere blockers and thermoplastic particle blockers.
Baolei Jiao +5 more
wiley +1 more source
THREE-DIMENSIONAL MODELING OF HYDRAULIC AND NATURAL FRACTURE INTERACTIONS AND ITS APPLICATIONS IN RESERVOIR STIMULATION [PDF]
The ultralow permeability of the unconventional and geothermal reservoirs can be increased for economic production by hydraulic fracturing. Natural fractures and other discontinuities are inseparable elements of unconventional reservoir rock masses ...
Kamali, Amirhossein
core
ABSTRACT Wellbore instability driven by the volumetric expansion of reactive shale formations remains a primary operational challenge in modern drilling engineering, causing severe mechanical failures and substantial economic deficits. The objective of this study is to formulate and evaluate a novel dual‐action chemical additive capable of ...
Ghaleb Oriquat +8 more
wiley +1 more source
Influence of orthogonal joint and stress ratio coefficients on hydraulic fracture propagation
The joints in the stratum have a greater impact on the formation of complex fracture networks with hydraulic fractures. In order to study the propagation behavior of hydraulic fractures when they encounter orthogonal joints, the hydraulic fracturing of ...
ZHANG Bohu +3 more
doaj
Research on Diaphragm Pump Fault Diagnosis Method Based on Res‐DCB‐Net
ABSTRACT Nonstationary pressure pulsation signals of diaphragm pumps contain strong background noise and coupled characteristics. This makes it challenging to extract incipient fault features and to decouple faults with similar physical mechanisms. To address these limitations, this paper proposes a spatiotemporal fault diagnosis model named Res‐DCB ...
Jiahui Wang +7 more
wiley +1 more source
Supine‐Position Shoulder Arthroscopy Using the Anterior Portal as the Initial Approach
Abstract Traditional shoulder arthroscopy mostly adopts the beach chair position or lateral decubitus position. Beach chair position is associated with the risk of cerebral hypoperfusion due to the vertical distance between the carotid artery and the heart, whereas lateral decubitus may induce brachial plexus palsy caused by excessive traction.
Weidong Wang +3 more
wiley +1 more source
Modelling of hydrofracturing experiments of granite samples [PDF]
Based on laboratory experiments and numerical modelling, the propagation of hydraulic fracturing fractures in cylindrical granite samples caused by viscous fluid pumping is described. Comparison of simulation results and laboratory measurements show that
Lapin Vasily +2 more
doaj +1 more source
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
textLarge volumes of natural gas exist in tight fissured reservoirs. Hydraulic fracturing is one of the main stimulating techniques to enhance recovery from these fractured reservoirs.
Dahi Taleghani, Arash
core
Measurements of the Evolution of the Fluid Lag in Laboratory Hydraulic Fracture Experiments in Rocks
At the early stage of hydraulic fracture growth, the fluid may lag behind the fracture front. We report three hydraulic fracture experiments performed in rocks (gabbro and marble) under conditions promoting an important fluid lag (low confining stress ...
Lecampion, Brice, Liu, Dong
core +1 more source

