finite element modelling of rock mass cutting by cutters

Finite element modelling of rock mass cutting by cutters

Finite element modelling of rock mass cutting by cutters for PDC drill bits Pryhorovska T O*, Chaplinskiy S S, Kudriavtsev I O Ivano-Frankivsk National Technical University of Oil and Gas, Ukraine Abstract: A finite element model of the process of polycrystalline diamond compact (PDC) drill bit cutters cutting rocks was built, and the rock linear and circular cutting processes for different

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finite element modelling of rock mass cutting by cutters

Finite element modelling of rock mass cutting by cutters

A finite element model of the process of polycrystalline diamond compact (PDC) drill bit cutters cutting rocks was built, and the rock linear and circular cutting processes for different shapes of PDC drill bit cutters were simulated. The following initial data was stated before modelling: spatial form of cutter, cutting speed, cutting depth, rheological model of the processed material, and

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finite element modeling of rock mass cutting by cutters

Finite element modeling of rock mass cutting by cutters

Finite element modeling of rock mass cutting by cutters for PDC drill bits (Russian) Authors Recent years the finite element method is used for simulation of cutting processes, including cutting of rocks due to its simplicity and efficiency. Modern software (Ansys Explicit) allows to implement this method for optimizing the design of the drilling tool, including PDC drill bits. This

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failure analysis and optimum structure design of pdc cutter.

Failure analysis and optimum structure design of PDC cutter.

2017-07-01· Pryhorovska et al. [9] built a finite element model of the process of PDC bit cutters cutting rocks, and simulated the rock linear and circular cutting processes for different shapes of PDC bit cutters. Li et al. [10] carried on the theoretical calculation and analysis of the cutting angle of PDC cutter. Wang et al. [11] analyzed the relationship of the cutting angle of PDC bit cutter and

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simulation and experimental research of pdc bit cutting

Simulation and Experimental Research of PDC Bit Cutting

2016-10-11· The finite element model for single wing PDC cutting rock was established. This paper analyzes the distribution trends of the cutter torque and drilling pressure on bit under the conditions of the different penetration rates and rotational speeds. The “attack” of the cutting teeth is also analyzed. The results show that the torque of the cutting teeth is increased with the increasing

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calibrated fem modelling of rock cutting with pdc cutter

Calibrated FEM modelling of rock cutting with PDC cutter

Calibrated FEM modelling of rock cutting with bits consist of a set of PDC cutters on a tungsten carbide . body which shear the rock [4, 5]. Rock drilling . modelling is still a challenge due

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simulation and experimental research of pdc bit cutting

Simulation and Experimental Research of PDC Bit Cutting

Download Citation Simulation and Experimental Research of PDC Bit Cutting Rock In order to achieve efficiently the optimal design and evaluation of PDC (polycrystalline diamond compact) bit, a

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smith bits catalog schlumberger

Smith Bits Catalog Schlumberger

effects of the lithology at the rock-cutter interface, drillstring, drive system, individual BHA components, and total system on bit behavior in a dynamic drilling environment. It also takes into account the specific operating parameters and the interaction between individual elements of the drilling assembly. Holistic . design process Smith Bits design engineers account for every . critical

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a bit of history: overcoming early setbacks, pdc bits now

A bit of history: Overcoming early setbacks, PDC bits now

2015-07-07· Another contributor to the success of the PDC cutter was the development of computer models, which helped to design and understand the behavior of PDC bits. Many dealt with balance forces on the bit, the rock-cutter interaction, and the drill string behavior and influence on the bit. A wide variety of these models were developed by universities, the US DOE, oil companies and bit

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simulation of the cutting action of a single pdc cutter

Simulation of the cutting action of a single PDC cutter

Simulation of the cutting action of a single PDC cutter using DEM B. Joodi, M. Sarmadivaleh, V. Rasouli & A. Nabipour Department of Petroleum Engineering, Curtin University, Australia Abstract Optimization of costly drilling operations is essential to reduce the overall costs of oil and gas extraction. Simulation of these operations can yield a better selection of parameters for maximum

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calibrated fem modelling of rock cutting with pdc

Calibrated FEM modelling of rock cutting with PDC

A finite element model is developed which can plausibly capture the rock fractures while it is capable of evaluating drilling forces for various values of Rate of Penetration (ROP), bit angular velocity and cutter configuration. Firstly, experiments on a single cutter rig are performed with various drilling parameters to be compared to the proposed FE model. Prior to detailed numerical

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rock cutting analysis employing finite and discrete

Rock Cutting Analysis Employing Finite and Discrete

Rock Cutting Analysis Employing Finite and Discrete Element Methods 102 Fig. 1 Triaxial test modeling using discrete element method. Fig. 2 Triaxial test modeling using discrete element method. It is important to highlight that on a FEM single cutter simulation, the cutter moves in vertical, horizontal, and angular directions, thus it is not

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discrete/finite element modelling of rock cutting with a

Discrete/Finite Element Modelling of Rock Cutting with a

Discrete/Finite Element Modelling of Rock Cutting with a TBM Disc Cutter Carlos Labra1 • Jerzy Rojek2 • Eugenio On˜ate3 Received: 24 May 2016/Accepted: 13 November 2016/Published online: 22 November 2016 The Author(s) 2016. This article is published with open access at Springerlink Abstract This paper presents advanced computer simula-tion of rock cutting process typical for

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numerical simulation study on the optimization design of

Numerical simulation study on the optimization design of

The main cutting part of PDC drill bit is polycrystalline diamond compacts, and its hardness and strength are far greater than the rock’s, so in order to improve calculation efficiency, this simulation treats the cutters as rigid materials, and defines the value of mass density, young’s modulus and poisson ratio of the rock. Table 1 gives the physical property parameters of cutter and rock

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effects of design and processing parameters on performance

Effects of Design and Processing Parameters on Performance

PDC Drag Cutters for Hard-Rock Drilling Jack L. Wise and David W. Raymond Sandia National Laboratories and Craig H. Cooley and Ken Bertagnolli U S Synthetic Corporation Keywords Drilling, hard rock, PDC cutters, PDC bits, abrasion, impact, wear ABSTRACT Sandia National Laboratories and U S Synthetic Corporation have jointly conducted a multifaceted, baseline experimental study to support

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stress distribution analysis of pdc drill bits by

STRESS DISTRIBUTION ANALYSIS OF PDC DRILL BITS BY

STRESS DISTRIBUTION ANALYSIS OF PDC DRILL BITS BY COMPUTER MODELING* SolidWorks 3D model of drill bit and ordering of cutters on drill blades Table 1. Calculated forces on cutting elements of drill bits Cutting element no. Force, kN Cutting element no. Force, kN Cutting element no. Force, kN 1–1 6823 3-1 9677 5-1 6670 1–2 23971 3-2 24980 5-2 18776 1–3 18511 3-3 20740 5-3

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temperature distribution in synthetic diamond cutters

Temperature Distribution in Synthetic Diamond Cutters

Summary. A heat-transfer model based on the finite-element method is developed for synthetic polycrystalline-diamond-compact (PDC) cutters used in oilwell drill bits. The model is verified by comparison with single-cutter experiments. Effects of pro

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simulation of pdc bit cutting and rock breaking

Simulation of PDC bit cutting and rock breaking

Simulation of PDC bit cutting and rock breaking Derong Zhang 1, Zhihao Yang 2 movement mode and force of the cutting teeth of PDC drill bit,and combined with the finite element method and ABAQUS finite element software,The finite element analysis model of PDC bit is established. (3)Based on the composite ABAQUS model,and analysis of the influence of the change of the rake angle and

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discrete/finite element modelling of rock cutting with a

Discrete/Finite Element Modelling of Rock Cutting with a

Discrete/Finite Element Modelling of Rock Cutting with a TBM Disc Cutter 3 eters (machine trust, penetration and rate of advance) and design of the cutter head design, including design of the disc cutters (Roby et al, 2008) and design of their layout (Huo et al, 2010). Historically, design of rock cutting tools for the excavation machinery has been

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new high strength and faster drilling tsp diamond cutters

NEW HIGH STRENGTH AND FASTER DRILLING TSP DIAMOND CUTTERS

Conventional polycrystalline diamond compact (PDC) cutters drill efficiently. The PDC drill bit is currently used to drill 55% of petroleum well footage. The PDC bit, typically with cylindrical cutters of various diameters, drills 2-3 times faster than the conventional roller cone bit. However, the PDC wear rate increases exponentially when

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finite element modelling of rock mass cutting by cutters ...

Finite element modelling of rock mass cutting by cutters ...

Finite element modelling of rock mass cutting by cutters for PDC drill bits Pryhorovska T O*, Chaplinskiy S S, Kudriavtsev I O Ivano-Frankivsk National Technical University of Oil and Gas, Ukraine Abstract: A finite element model of the process of polycrystalline diamond compact (PDC) drill bit cutters cutting rocks was built, and the rock ...

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finite element modelling of rock mass cutting by cutters ...

Finite element modelling of rock mass cutting by cutters ...

A finite element model of the process of polycrystalline diamond compact (PDC) drill bit cutters cutting rocks was built, and the rock linear and circular cutting processes for different shapes of PDC drill bit cutters were simulated.

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finite element modeling of rock cutting and its ...

Finite element modeling of rock cutting and its ...

Finite element modeling of rock cutting and its fragmentation process. ... Modeling rock cutting by a PDC disc cutter. ... PDC drill bits are fixed bits with no moving parts, commonly used in oil well drilling, cut the rocks though the PDC cutters mounted on the bit body. The diameter and thickness of the PDC disc cutter considered was 13 mm ...

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calibrated fem modelling of rock cutting with pdc cutter

Calibrated FEM modelling of rock cutting with PDC cutter

(a) Stress field 2D FEM model of rock cutting with a 3mm single cutter with 20° back rake when v x=400mm/sec and v z=80mm/sec, (b) computed cutting force vs cutter advance J. Mech. Sci., Fig. 8. Computed cutting forces for 2D FEM model of rock cutting with a 3mm single cutter with 20° back rake for unfixed depth of cut vs velocity ratio Fig. 9.

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calibrated fem modelling of rock cutting with pdc cutter

Calibrated FEM modelling of rock cutting with PDC cutter

Calibrated FEM modelling of rock cutting with ... bits consist of a set of PDC cutters on a tungsten carbide ... This study constructed the finite element model of rock cutting to investigate the ...

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simulation and experimental research of pdc bit cutting rock

Simulation and Experimental Research of PDC Bit Cutting Rock

The finite element model for single wing PDC cutting rock was established. This paper analyzes the distribution trends of the cutter torque and drilling pressure on bit under the conditions of the different penetration rates and rotational speeds.

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simulation and experimental study on temperature

Simulation and experimental study on temperature

A three-dimensional (3D) finite element simulation model for rock breaking of the full-sized PDC bits was established, the finite element ABAQUS is used to simulate the thermal-structural coupling of rock breaking process, and the distribution and the specific changes of the temperature and stress field of the cutter are analyzed during the ...

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failure analysis and optimum structure design of pdc cutter.

Failure analysis and optimum structure design of PDC cutter.

Kris [8] tested four different batches of PDC under monotonic and cyclic loadings, and researched fracture and fatigue of PDC. Pryhorovska et al. [9] built a finite element model of the process of PDC bit cutters cutting rocks, and simulated the rock linear and circular cutting processes for different shapes of PDC bit cutters.

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effects of design and processing parameters on performance ...

Effects of Design and Processing Parameters on Performance ...

contributing to improved cutter performance in hard-rock (e.g., geothermal) drilling applications. Background After the pioneering development and marketing of PDC cutters by General Electric (GE) in the 1970s, numerous companies initiated their own PDC cutter and drill-bit product lines.

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axeblade ridged diamond element bit | pdc drill bit ...

AxeBlade Ridged Diamond Element Bit | PDC Drill Bit ...

AxeBlade bits employ elements with a unique geometry that cut rock in an innovative way—a combination of shearing and crushing. This cutting method achieves at least 22% deeper penetration, removing more formation to provide higher instantaneous ROP when using the same WOB and rpm applied to conventional PDC cutters.

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