Fluid simulation of rock drill
Computational Fluid Dynamics Study on Bottom-Hole
High-temperature geothermal wells frequently employ foam drilling fluids and Polycrystalline Diamond Compact (PDC) drill bits. Understanding
Impact performance optimization for hydraulic rock
In response to the issues of overheating of the shell and insufficient impact energy of the hydraulic rock drill, this paper focuses on the hydraulic rock drill
3D numerical simulation on drilling fluid invasion into natural gas
Abstract The drilling fluid invasion into hydrate-bearing sediments (HBS) would trigger geological risks. However, invasion mechanisms and formation responses during
Numerical simulation of the damage process of rock containing
The steel particles arrive at the particle impact bit through the drill string, and are ejected by the bit nozzle at a speed of (25–500) m/s along with the drilling fluid, which impacts
Direct simulations of bedrock core and cuttings transport
The simulation results indicate that the non-Newtonian behavior of the drilling fluid has an non-negligible effect on the transport efficiency of both cuttings and core. An increase
The Defining Series: Drilling Fluid Basics
Drilling Fluid Life Cycle Drilling fluid design and maintenance are iterative processes affected by surface and downhole conditions. These conditions
Top Hammer Drill Simulation in Varying Rock Conditions
The rock drill model has hydraulic feed and rotation circuits, and drill string is modeled as a finite element beam having three degrees of freedom per node and two nodes per element. A total
Drilling performance analysis of a polycrystalline diamond
To get an accurate rock failure simulation, the model must take into account the complexity of rock characteristics and the interaction between the drilling tool and the rock,
Numerical simulation of rock erosion performance of a high
Water jet drilling (WJD) is an effective technique for drilling micro-holes in the subsurface for reservoir stimulation. This study aims to investigate numerically the failure
Top 7 Open-Source Simulators in Petroleum
OpenLab Drilling OpenLab Drilling is a simulation software used for virtual drilling and well operations that combines a web-based online drilling
Simulation and experimental research on drilling and rock
Article Open access Published: 25 April 2025 Simulation and experimental research on drilling and rock breaking mechanisms of anchor drill rigs with analysis of drilling
Numerical simulation of percussive drilling
References Fundamental research on percussion drilling: improved rock mechanics analysis, advanced simulation technology, and full-scale laboratory investigations Theoretical
Impact performance optimization for hydraulic rock
In response to the issues of overheating of the shell and insufficient impact energy of the hydraulic rock drill, this paper focuses on the
Non-Linear Dynamic Analysis of Drill String System
In this research, the non-linear dynamics of the drill string system model, considering the influence of fluid—structure coupling and the effect of
NUMERICAL SIMULATION STUDY ON THE ACTION LAW
Most of the polar drilling is permafrost rock samples [4]. Permafrost is a tempera-ture-sensitive porous elastic-plastic material and when the low temperature drilling fluid in-vades the
A Simulink Library for Drilling Modeling, Simulation, and Control
Open Source Drill-string Dynamics Modeling: Why?? Drilling Industry has substantially improved performance based on knowledge from physics-based, statistical, and empirical models of
Evaluation of rock-bit interaction test under simulated ultra-deep
Since the 1950s, some institutes began to develop high-temperature and high-pressure simulation devices for the unnatural bottom-hole rock environment and the full-size
Numerical Simulation of Thermo-Hydro-Mechanical Coupling in
Download Citation | On Mar 18, 2025, Guoliang Tian and others published Numerical Simulation of Thermo-Hydro-Mechanical Coupling in the Drilling Process of Diamond-Impregnated Bits
A Heat Transfer Model for Accurate Wellbore Temperature
Abstract: Accurate prediction of wellbore temperature is essential to avoid potential drilling fluid/drillstring overheating and wellbore stability problems. A new model is proposed to predict
Research on rock breaking mechanism of rotary-percussion drilling
Rotary-percussion drilling technology was used to improve drilling efficiency in marine deep hard rock formations, but the compatibility among the engineering & tool
Study on Compound Percussive Drilling: Rock
In the actual drilling operation, the impact frequency and the final impact velocity will change when the drilling fluid displacement changes
MECHANISM OF NANOPOROUS FIBERS VIA BUBBLE
The specific coring process and drilling environment were not considered in most of former numerical simulation studies on core discing, especially the drilling fluid pressure, which has a
Maximize drilling performance with VIRTUAL
The industry standard for helping mitigate drilling problems, Virtual Hydraulics™ drilling fluid simulation software gives you a virtual snapshot of downhole fluid
Stiffness and damping characteristics of highly accurate rock
To address the issue of the performance testing of hydraulic rock drills under specific working conditions, a stiffness–damping multi-stage adjustable rock simulation system
(PDF) Highly Accurate Rock Simulation System Based on Gas
The rock simulation system is of great significance for the development of high-frequency high-power hydraulic rock drills. It can simulate different rock drilling conditions in
Simulation of rock failure modes in thermal spallation drilling
Thermal spallation drilling is a contact-less means of borehole excavation that works by exposing a rock surface to a high-temperature jet flame. In this study, we investigate
Numerical simulation of formation damage by drilling
In this section, firstly, we characterized the invasion behaviors of drilling fluid by using the reservoir-scale numerical simulation; we quantified
Artificial intelligence techniques and their applications in drilling
Variations in the downhole temperature and pressure of formations, rock heterogeneities, inputs into and out of the drilled well and a host of other factors contribute to
Simulation of drill-string systems with fluid–structure and contact
We propose a method for the simulation of the nonlinear dynamics of drill-string systems and the assessment of the stresses to which the pipe is subject under realistic
Numerical Simulation of Thermo-Hydro-Mechanical
In deep and ultradeep well drilling operations, the coolant flow of the drill bit directly impacts bit life and drilling efficiency. To improve the
Percussion characteristic analysis for hydraulic rock drill with
Based on a simulation model for rock drill built by AMESim, JY Oh et al.14studied the dynamic performance of per-cussion system and effects of rock hardness on it.
Drilling fluid loss model and loss dynamic behavior in fractured
In view of the lost circulation in fractured formations, a two-dimensional transient model for describing a power-law drilling fluid loss in an arbitrarily-oriented, compressible,
Highly Accurate Rock Simulation System Based on Gas-Liquid
The rock simulation system is of great significance for the development of high-frequency high-power hydraulic rock drills. It can simulate different rock drilling conditions in specific
Modeling and Simulation of a Hydraulic Drill for Control System
In rock excavation processes, hydraulic rotary-percussive drilling is used for drilling and blasting in both surface and underground drilling operations. A hydraulic percussive
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