Results 41 to 50 of about 53,263 (253)
Advanced Materials, EarlyView.TESCLA (tubular electromagnetic soft conformal linear actuator) combines liquid‐metal solenoids and compliant magnetic composites to achieve large‐stroke bidirectional actuation with continuous bending. Integrated inductance‐based self‐sensing enables proprioceptive position estimation without external sensors, providing a versatile platform for soft ...
Yeongjin Choi +3 more
wiley +1 more source
An Experimental Study of Flow Behavior of Coiled Tubing Drilling System
Advances in Mechanical Engineering, 2014 Coiled tubing drilling has become an important development direction of drilling. The method of combining theoretical calculation with the experimental verification is adopted to analyze the flow of the coiled tubing drilling system.
Feng Guan +5 more
doaj +1 more source
Advanced Materials, EarlyView.This study demonstrates the combination of magnetic nanoparticles and functional blowing agents into supraparticles. Upon induction heating, they actuate via rapid gas generation or extensive volume expansion. These supraparticles lift up to 25 000 times their own mass and rapidly open cured epoxy resins, providing a versatile strategy for fast micron ...
Leoni Luthardt +3 more
wiley +1 more source
Coiled-Tubing-Conveyed Perforating in Shale
, 2011 This is a study of the development and ultimate use of the CT (Coiled Tubing) Firing Transfer System used in three different scenarios and is a comprehensive examination of what specifically is required for use and the contrast between past and present ...
T.. LaGrange, J.. Barton, L.. Andrich
core +1 more source
Fiber‐Format Flexible Linear Electrostatic Motors
Advanced Materials, EarlyView.A flexible coaxial fibre‐format electrostatic motor enables backdrivable and reversible linear actuation with high force density and functionality under bending, offering a scalable actuation platform for soft and wearable robotics. ABSTRACT Linear motion is fundamental to robotics, yet existing solutions are either rigid electromagnetic motors or ...
Sylvain Schaller, Herbert Shea
wiley +1 more source
Collapse Strength of Coiled Tubing under Complex Stress State
Shiyou jixie, 2018 To address the coiled tubing collapse and understand the collapse mechanism under complex stress state, the mathematical model of coiled tubing collapse strength under complex stress state is established according to the twin-shear unified strength ...
Tong Shaokai, Gao Deli
doaj
Improving Efficiency of Coiled Tubing Operations on Vankor Field
, 2010 Coiled tubing is commonly used as an intervention tool for treatment delivery in long horizontal wells. As with any intervention tool, however, coiled tubing has operational limitations.
Bert Von Hertzberg +2 more
core +1 more source
Advanced Materials Technologies, EarlyView.High‐aspect‐ratio low‐melting‐point alloy inclusions are embedded within multilayer silicone laminates to create thermally programmable stiffness. Sequential activation of alloy‐rich layers produces four distinct mechanical states and reconfigures tendon‐driven actuator trajectories under the same load.
Palpolage Don Shehan Hiroshan Gunawardane +4 more
wiley +1 more source
Advanced Materials Technologies, EarlyView.A magnetically reconfigurable airflow sensor integrated with an airway stent enables tunable sensitivity and dynamic sensing range. Airflow‐induced cantilever deformation generates resistance changes, while an external magnetic field modulates sensor stiffness, enhancing sensitivity at low airflow velocities and extending the sensing range at higher ...
Darren Wang +10 more
wiley +1 more source
Analysis of Coiled Tubing Sidetracking Technology
Coiled Tubing Drilling (CTD) technology has significant technical advantages over traditional rotary drilling technology and has been widely applied in international oil and gas exploration and development.
Zhang Yumin
core +1 more source