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Investigation of PDC Cutter Interface Geometry Using 3D ...

Polycrystalline Diamond Compact (PDC) cutters have been popularly used in recent times due to their resistance against mechanical and thermal wear. This paper was focused on interface geometries between the substrate and the diamond table. Various types of interfaces were designed, to investigate how different interface geometries influence distribution of stress and .

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Vibration failure and anti-vibration analysis of an ...

The blank bands were marked as annular grooves I, II, and III from the center of the bit, respectively, and the cutting element (see dotted-line area in Fig. 9) was set in the annular-groove area as a fully covered PDC test bit. The heights of the blank bands are 0 mm, 7.5 mm, 15 mm, and 22.5 mm, which can be adjusted by replacing the cutting ...

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Classification of PDC bit - oilfieldteam

The second IADC classification character is a digit that represents the density of cutting elements. Densities for PDC cutter and surface set diamond bits are described separately through use of numerals 1 through 4 for PDC bits and 6 through 8 for surface-set diamond bits. Numerals 0, 5, and 9 .

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Completion Bits – Taurex

The FracDrill™ Series is designed to maximize durability, reduce motor stalls, and keep cuttings small. The engineered design protects the PDC cutting elements, extending the life of the drill bit and BHA components for longer laterals with higher plug counts.

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New-generation shaped cutter elements expand capabilities ...

Mar 06, 2019· The company's portfolio of shaped PDC cutting elements has set global records, accumulating more than 26,000 runs and drilling more than 71 million ft (Figure 1). The ongoing commitment to develop next-generation technologies culminated in the launch last year of the most recent portfolio addition: the HyperBlade hyperbolic diamond element ...

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(PDF) The current state of PDC bit technology

PDC cutting element consists of synthetic diamond and a carbide base which relative wear resistance differs in 95-100 times, as a result the carbide base wears out faster, whereby the PDC ...

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PDC Bits - Ulterra

The PDC bit is named after the Polycrystalline Diamond Compact cutting element that shears through the rock in order to drill the well. There are four main parts to become familiar with when it comes to a drill bit: the cutters; cutting structure, the blades, and the bit body.

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The Wear Analysis Model of Drill Bit Cutting Element with ...

Nov 05, 2014· Rock cutting by PDC drill bit's cutting teeth at bottom hole is actually a problem of cutting element's oblique cutting. As for PDC drill bit, the geometry model is the foundation of the study of the cutting mechanics and dynamics of PDC drill bit, especially in which the changes in the parameters of tooth-distributing angle have a great effect on the force and wear resistance of PDC .

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Oil and Gas Industry | Element Six - Element Six

Element Six collaborates with companies in the oil and gas sector to help optimise performance across a range of drilling and production applications. We offer a range of solutions. These include polycrystalline diamond compact (PDC) cutters, synthetic diamond grit, a range of PDC and tungsten carbide inserts, PDC bearings and a variety of ...

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

And because the element is strategically placed in the cone, less WOB is needed to maximize cutting efficiency. By combining a scribe shape with the Axe element's exclusive ridged geometry, we create a new shape that further improves cutting efficiency by 34% compared to flat PDC cutter and 18% compared to the original ridged element.

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E&P Tech Watch: Catalyst-Free PDC Cutter Technology to ...

The PDC cutting elements possess metallic fracture toughness that is more than 100% higher than that of current PDC cutters. (Source: Saudi Aramco) Polycrystalline diamond compact (PDC) drill bits have been historically used as key drilling tools and have dramatically changed the oil and gas industry since their introduction in the 1970s.

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Completion Bits – Taurex

The FracDrill™ Series is designed to maximize durability, reduce motor stalls, and keep cuttings small. The engineered design protects the PDC cutting elements, extending the life of the drill bit and BHA components for longer laterals with higher plug counts.

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OIL & GAS PDC Cutters FASTER DRILLING, LONGER LIFE, .

CONTACT YOUR LOCAL ELEMENT SIX OFFICE. Our range of PDC cutters are engineered for all application areas, ... applications such as cutting, grinding, drilling, shearing and polishing, while the extreme properties of synthetic diamond beyond hardness are opening up new

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Failure analysis and optimum structure design of PDC ...

Jul 01, 2017· The cutting element of PDC cutter is PCD layer, the lower part is WC substrate. The property of two materials defined as shown in Table 1 [9]. 3.3. Boundary conditions 1. The boundary conditions: The cemented carbide substrate of PDC cutter is embedded in the perforations on the drill bit body.

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Drill Bit Technology: Improving the Drilling Economics ...

Apr 10, 2019· At the center of the bit, a single conical diamond element is placed to create a PDC bit that produces a combination of shearing and rearing action. Rotating cutting elements have been introduced which distribute wear evenly on the cutter edge to extend cutter life beyond that of premium fixed PDC cutters.

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HyperBlade Hyperbolic Diamond Element Bit | PDC Drill Bit ...

Leading 3D element design produces application-specific advantages. The distinctive hyperbolic shape delivers a more positive rake that cuts 20% deeper into rock compared with flat PDC cutters. A thicker, precision-molded diamond table makes the Hyper element tougher and more durable. And the armored cutting edge withstands formation transitions.

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Pushing the Limits Forum - IADD-INTL

Hyper Element Cutting Efficiency Conventional PDC HyperBlade. Schlumberger-Private HyperBladeLab Testing ROP PDC HyperBlade WOB • Large Atmospheric Drilling Machine • Sandstone, 4.5k psi UCS • Identical drilling parameters Application Results ≈ TQ ROP 10% TQ. Schlumberger-Private HyperBladeCase Study –Northeast Basin 239 271 313 329 ...

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PDC cutter element having improved substrate configuration ...

May 25, 1999· The techniques for constructing polycrystalline diamond (PDC) cutting elements are generally well known will not be described in detail. They can be summarized as follows: a carbide substrate is formed having a desired surface configuration on each of its first and second surfaces; the substrate is placed in a mold with a superhard material ...

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US8061456B2 - Chamfered edge gage cutters and drill bits ...

A cutting element for an earth boring bit, may include a PDC layer having a flat on a periphery thereof, the flat terminating longitudinally at an edge spaced from a cutting face of the PDC layer. A chamfer adjacent to the cutting face desirably has a length that exceeds its depth. A cutting element may additionally include a chamfer along the entire circumference, multiple step .

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Synthetic Diamond | Servsix | Industrial Diamond Tooling

ServSix US is the exclusive distributor for Element Six products in the United States. Element Six, part of the De Beers Group of Companies, is a world leader in the design, development and production of synthetic diamond and other related supermaterials. ServSixUS understands the unique, extraordinary properties of Element Six's synthetic diamond, cubic boron nitride and .

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BETTER AND BETTER, BIT BY BIT

Compared with conventional cylindrical PDC cutters, the Stinger diamond element used on the StingBlade Conical Diamond Element Bit is a conical-shaped cutting element. This shape allows the cutter to apply a higher concentrated point load on the formation to fracture high compressive strength formations more

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Cuttings descriptions-clastic - LinkedIn SlideShare

Jul 08, 2012· Please NOTE: due to the shearing cutting action of PDC bits the original rock fabric is lost by this cutting action. ... Composed of parts or elements that are all of the same kind.Heterogeneous Composed of parts or elements of different kinds; having widely dissimilar elements or constituents.Sucrosic Surface breaks have a sugar like ...

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Polycrystalline diamond compact PDC cutter with improved ...

Apr 04, 2000· The present invention relates to a polycrystalline diamond compact (PDC) cutting element wherein a diamond abrasive layer is bonded to a tungsten carbide (WC) substrate. More specifically, the invention relates to a PDC cutter having a top surface geometry comprising a raised portion of polycrystalline diamond (PCD) which directs material away ...

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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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Study on rock breaking mechanism of PDC bit with rotating ...

The difference between the rotary modular PDC bit (as shown in Fig. 2) and the conventional PDC bit is that the rotary modular cutting element is introduced into the cutting wing of the fixed tooth PDC bit.The rotary modular cutting element is composed of the matrix (the matrix and the shaft are integrated), the cutting teeth, the shaft sleeve, etc., which organically combines the dynamic and ...

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Drill Bits – Taurex

Cutting Structure: The cutting structure of the HF Series is designed with computer simulation on the basis of large quantities of hard rock drilling tests on a drilling simulator as well as failure analysis of field tests in various hard rock formations. Superior material used for the cutting elements improves wear resistance and impact ...

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Smith Bits Product Catalog - MAFIADOC.COM

PDC bits fitted with a central Stinger* conical diamond element maintain superior impact strength and wear resistance due to an innovative cutting structure. Located at the bit's center, the element enables high-point loading to fracture rock more efficiently for increased ROP, longer and faster runs, better steerability and stability, and ...

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Fixed Cutter - Halliburton

Incorporating the most advanced PDC cutter technology available, Halliburton's Fixed Cutter bits are designed with the "accumulated knowledge" of a proven design platform that incorporates state-of-the-art force management and drilling dynamics optimization technology.

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COMPETITIVE ADVANTAGE THROUGH INNOVATION

——— Element Six works in partnership with customers to develop cutting-edge ... In addition to PDC cutters, Element Six can provide an extensive range of synthetic diamond solutions such as shaped diamond cutters, chisel and gage inserts and synthetic diamond grit.

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Simulation of PDC bit cutting and rock breaking

drilling process of PDC composite sheet, and understanding of its working mechanism. And through the analysis of the structure, 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.

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