Results 81 to 90 of about 69,654 (310)

Enhance the rheological properties of reservoir drilling fluid (RDF) using Fe2O3 as nanoparticle material

open access: yesIraqi Journal of Chemical and Petroleum Engineering
   An 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

Translational Considerations for Injectable Biomaterials and Bioscaffolds to Repair and Regenerate Brain Tissue

open access: yesAdvanced Healthcare Materials, EarlyView.
The repair and regeneration of brain tissue faces both biological and technical challenges. Injectable bioscaffolds offer new opportunities to stimulate tissue regrowth in the brain by recruiting neural stem cells. Here, the translational issues are reviewed that need to be address to advance this promising new therapeutic approach from the bench to ...
Michel Modo, Alena Kisel
wiley   +1 more source

Fluid Forces Control Structural Remodeling of Blind‐Ended Lymphatic Microvessels

open access: yesAdvanced Healthcare Materials, EarlyView.
Using innovative microfluidic biofabrication with fluid mechanical insights, we recapitulated the blind‐ended microanatomy and physiological drainage properties of capillary lymphatics. Our results reveal the interrelationship between intra‐ and extraluminal regions of lymphatic vessels due to flow‐induced sprouting and morphological changes that ...
Jacob C. Holter   +5 more
wiley   +1 more source

Geophysical investigation of the Pb-Zn deposit of Lontzen-Poppelsberg, Belgium [PDF]

open access: yes, 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

Research progress and prospect of cooling technology for drilling fluid in deep and ultra-deep wells

open access: yes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

Contamination effects of drilling fluid additives on cement slurry

open access: yesNatural 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

Laser‐Assisted Processing and Modification of Bioactive Glasses: A Review

open access: yesAdvanced Healthcare Materials, EarlyView.
Laser technologies provide powerful tools to process and transform bioactive glasses for advanced biomedical applications. This review discusses laser‐matter interaction mechanisms, laser surface engineering, and laser‐assisted fabrication of scaffolds and nanofibers.
Antonio Riveiro   +8 more
wiley   +1 more source

Застосування безглинистих промивальних рідин в умовах високих пластових тисків і температур [PDF]

open access: yes, 2013
У статті розглянуто питання застосування безглинистих промивальних рідин в умовах великих глибин, високих пластових тисків і температур. Установлено, що збільшення густини безглинистих промивальних рідин традиційними обважнювачами супроводжується ...
Бойко, А. Г.   +4 more
core  

Optoelectrical Devices for Neural Interfacing: Engineering Integration, Stability, and Multimodal Sensing

open access: yesAdvanced Healthcare Materials, EarlyView.
Implantable optoelectrical devices are an effective resource for the modulation and monitoring of neural activity with high spatiotemporal resolution. This review discusses current challenges faced by these devices and outlines future perspectives for the development of next‐generation neural interfaces targeting chronic, multisite, and multimodal ...
Stella Aslanoglou   +4 more
wiley   +1 more source

Borehole geological assessment [PDF]

open access: yes, 1979
A method and apparatus are discussed for performing geological assessments of a formation located along a borehole, and a boring tool that bores a pair of holes into the walls of the borehole and into the surrounding strata along with a pair of probes ...
Spuck, W. H., III
core   +1 more source

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