Machine Learning Solution for Predicting Vibrations while Drilling the Curve Section. [PDF]
ACS Omega, 2023 Saadeldin R, Gamal H, Elkatatny S.
europepmc +1 more source
Influence mechanism of the rubbing of drilling pipe for the stability of hole wall [PDF]
, 2016 The hole wall appears because of the gas drainage of the coal seam, the hole wall is divided for the elastic area and plastic area, according to the elastic mechanics and rock mechanics established borehole wall stress model, caused by gas drilling ...
Chen-xu, L. (LUO) +2 more
core
Avoiding harmful oscillations in a drillstring through dynamical analysis [PDF]
, 2007 Complexity of oilwell drillstrings makes unfeasible the direct application of control methodologies to suppress non-desired oscillations existing in these systems.
Cortés, Domingo, Navarro-López, Eva M.
core +1 more source
Drillstring Vibration Analysis in Extended Reach Drilling (ERD) using WELLPLANTM [PDF]
, 2012 Oil and gas industry always aims efficient service with optimal expenses. This final year project, aiming to deal with one of the most important parameters, that has tremendous impact on drilling operations’ time and cost.
MOHAMMED AHMED OMER, MOHAMMED AHMED
core
, 2016 International audienceIn this paper, we consider linear dynamics subject to a distributed state-dependent delay and a pointwise input-delay. We propose a prediction-based controller which exponentially stabilizes the plant. The controller design is based
Bresch-Pietri, Delphine +1 more
core
Axial Vibration Analysis on Drillstring [PDF]
, 2015 The problem of drill string vibration occurs in drilling operations and it will affect the usage life of drill pipe and drill bits. Three types of vibration, which are axial, lateral and torsional vibrations exist in the drill string.
HOW, KEK JIA
core
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
The Atacama Rover Astrobiology Drilling Studies (ARADS) Project. [PDF]
Astrobiology, 2023 Glass B +19 more
europepmc +1 more source
Drillstring Dynamics - Comparative analysis between a lumped element model s ability to recreate axial vibrations observed from measurements of dynamic strain using small-scale drillstring model [PDF]
, 2016 Lumped element models are desirable for their mathematical simplicity and their practical application for simulating axial vibrations. These models however only approximate the dynamic behavior, and is why real time measurements are essential for ...
Løklingholm, Thomas
core
Hybrid Modelling and Optimisation of Oil Well Drillstrings [PDF]
, 2018 The failure of oil well drillstrings due to torsional and longitudinal stresses caused by stick-slip phenomena during the drilling operation causes great expense to industry.
Alkaragoolee, Mohammed Y.A.
core