Results 61 to 70 of about 1,143,416 (115)

Dynamic Analysis of Stick-Slip and Bit Bounce in Oilwell Drillstring [PDF]

, 2016
Drilling process consisting of drag bits which are used over drilling boreholes concerning generation along with research about oil and gas regularly undergo against caustic vibrations.
A/L ELIYATHAMBY, DHANARAJ
core  

IŠnfluence of low frequency vibrations on drillstring dynamics

Tyt. z nagłówka.Bibliogr. s. 429-[430].During the drilling process, between the drilling bit that ruins the rock in the bottom-hole and the energy source located on the ground surface is the drillstring that has certain length and small cross cuts that ...
Černova, Miroslava Êvgenìïvna.
core  

Real-Time Prediction of Rate of Penetration in S-Shape Well Profile Using Artificial Intelligence Models. [PDF]

Sensors (Basel), 2020
Elkatatny S.
europepmc   +1 more source

Estimation of railway vehicle speed using ground vibration measurements [PDF]

, 2014
In railway noise and vibration assessment, the vehicle speed is a significant concern, since vehicle/track and track/soil interaction strongly affects the vibration magnitude.
Verlinden, Olivier, Forde, Mike, Kouroussis, Georges, Forde, Mike C, Connolly, David   +4 more
core  

Nonlinear drillstring dynamics : modeling, vibration analysis, and control

Drilling engineering, standing at the core of geoenergy exploitation and geological information collection, faces different geological, hydraulic, and mechanical challenges that affect its efficiency and safety.
Zhang, Yifan, 1998-
core   +1 more source

Downhole Applications of Magnetic Sensors. [PDF]

Sensors (Basel), 2017
Gooneratne CP, Li B, Moellendick TE.
europepmc   +1 more source

Vibration behavior analysis of reamers based on drill string dynamics. [PDF]

Sci Rep
Fusheng Y, Yuchun K, Bin L, Qianwen C, Ming S.   +4 more
europepmc   +1 more source

A three-dimensional nonlinear finite element model for coupled vibration analysis of rotary steerable systems. [PDF]

Sci Rep
Shao K, Liu Y, Wang H, Xiao L, Zhou Z, Jia Z, Sun Q.   +6 more
europepmc   +1 more source

The impact of multidirectional excitation on the stick-slip vibration characteristics of a drill string. [PDF]

Sci Rep
Hongshan Z, Wenchang W, Kaixian A.
europepmc   +1 more source

Recent Advances and Future Perspectives in Additives and Technologies for Low-Density Drilling Fluids. [PDF]

ACS Omega
Dannemann-Pires R, Duarte CR, Pereira MS.   +2 more
europepmc   +1 more source