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laser sintering proppants

Thermal behavior of samarium oxide – Ball clay mixtures ...

Feb 01, 2019· High macroscopic neutron capture cross section proppants permit to obtain fracture diagnostics reservoirs. • Sm 2 O 3 incorporation of is of interest for the design of this kind of ceramic proppants.. The effect of (Sm 2 O 3) in the thermal behavior and sintering of kaolinitic clay was studied.

Additive Fabrication of Proppants - Halliburton Energy ...

Jun 16, 2016· The sintering can be performed using any technique, such as an oven, microwave, laser beam or an electron beam. The curing can be thermo, UV, or IR and the like. The present invention also relates to an additive fabricator configured to produce proppants.

Industrial plastic 3D printers laser sintering | Prodways

INDUSTRIAL PLASTIC SLS ® 3D PRINTERS WITH OPEN MATERIAL STRATEGY. Prodways developed a full range of premium industrial plastic laser sintering 3D printers as a result of our technological R&D partnership with Hunan Farsoon Technologies and our internal Research & Development capabilities.

particle size distribution.doc - MicroTrac S3500 Dynamic ...

MicroTrac S3500 Dynamic Light Scattering Laser Particle Size Distribution John Worthley, [email protected], 2 September, 2017 Abstract Particle size distribution is a physical property measurement used in understanding how processes and products affect materials' manufacturing. Median, mean, and standard deviation are three factors to measure in particle size analysis.

Determination of loamy resources impact on granulation of ...

Dec 15, 2018· HeLow –temperature sintering of bauxite-based fracturing proppants containing CaO and MnO 2 additives Mater. Lett., 171 (2016), pp. 300-303, 10.1016/j.matlet.2016.02.090

Mullite for Structural, Electronic, and Optical ...

Mullite (3Al 2 O 3 ·2SiO 2) is becoming increasingly important in electronic, optical, and high‐temperature structural applications.This paper reviews the current state of mullite‐related research at a fundamental level, within the framework of phase equilibria, crystal structure, synthesis, processing, and properties.

bauxite mill for oil fracturing proppant additives

laser sintering proppants - crushergoogle . The final product is useful as a proppant in oil and gas well fracturing. ... flowback additives ... bauxite fracturing ceramic proppant for oil and ... Hydraulic fracturing proppants - Wikipedia

FRAME: Field-Resilient Acoustic Micro-Emitters for ...

Multiple additive manufacturing technologies have been investigated for manufacturing the structural part of the AMEs: 1) direct metal laser sintering (DMLS), 2) plastic selective laser sintering (SLS), 3) metal atomic layer additive manufacturing, 4) fused deposition modeling (FDM), 5) stereo-lithography (SL), and 6) inkjet additive ...

Direct Metal Laser Sintering - an overview | ScienceDirect ...

Direct laser metal sintering (DLMS), also referred to as direct laser metal forming (DLMF) and selective laser melting (SLM), is a method wherein a highly intensive laser beam is directed onto a metal powder bed and fused metal particles according to a computer-aided design file (Shibli et al., 2013).This technology is an extension of the SLS process, which also regenerates real 3D parts from ...

Selective Laser Sintering of Resin-Coated Sands—Part I ...

Selective laser sintering of precoated sands is a process utilized to produce molds and cores for rapid casting by adding sand layer by layer and heating it using a laser beam.

DE69920340D1 - Plastic coated sand and its use in a ...

Binder compositions for selective laser sintering processes JPH0890147A (en) : : Sumitomo Durez Co Ltd: Resin coated sand for shell mold US5733497A (en) * : : Dtm Corporation: Selective laser sintering with composite plastic material DE69604043T2 (en) 1995-11 …

(PDF) Sintering parameters studies of ceramic proppants ...

Sintering parameters studies of ceramic proppants obtained by mechanical granulation method ... In addition particle size analysis by laser diffraction was analyzed. ... Proppants are ceramic ...

Feasible Recycling of Industrial Waste Coal Gangue for ...

The crystalline phase, microstructure, density and breakage ratio of the proppants were investigated. The results showed that with the increasing of sintering temperature, the crystalline phases were transformed to rod-like mullite, which formed the cross-linked structure, improving the densification of proppants.

Ceramic Proppants: A Specialized Alternative to Frac Sand

Proppants are typically between 8 and 140 mesh and it is not uncommon to use multiple sizes at a given well.¹. Drying. Once agglomerated, pellets are dried to reduce the moisture content of the material. This is typically carried out in a rotary dryer or other type of industrial drying system. Pellets are classified via screening. Sintering

US9938452B2 - Immobile proppants - Google Patents

The present invention relates to a plurality of proppants, wherein at least a portion of the proppants are immobile proppants and are immobile in a proppant pack. The proppants, pre-aggregated proppants, immobile proppants, or any combination thereof can be used for fracking of a well for hydrocarbon recovery. A method of producing, immobilizing, localizing, or any combination thereof a ...

Recycling of spent Cu-based oxygen carriers into high ...

Dec 15, 2017· One of the important findings of this study is the fact that using spent OC (after acid leaching) for the production of ultra-high-strength ceramic proppants can be even more economical than using pure α-Al 2 O 3 because of a shorter milling time (1 min) and lower sintering …

Question of the Week: What is Sintering?

Sintering is the process of heating a material to a point just before melting via a rotary kiln. The objective here is to use the high internal temperature of the rotary kiln to increase the strength of the material.. The most common use of this process is in the creation of manufactured proppants, where the sand or ceramic material needs to have high strength.

Selective Laser Sintering | SLS | 3D at Materialise

Selective Laser Sintering (SLS) is a 3D technology that builds plastic parts layer by layer, using a range of 3D sintering materials. Whether you need fully functional prototypes or a series of complex end-parts, SLS at Materialise is a great choice for both.

Development of metakaolin and geopolymer proppants with ...

Usually, proppants are made by the sintering of high-grade bauxite or kaolin. High-grade bauxite is used because of its high mechanical strength after heat treatment. Such property is crucial for proppants at great depths due to the closure stress in the hydrocarbon region may exceed 8000 psi 5.

Alumosilicate ceramic proppants based on natural ...

The sintering-strengthening effect of the additions of the highly ferrous bauxite (with Fe 2 O 3 content of 20-25 % in the calcined state) in the compositions with refractory clays was established. It was found that in the temperature range 1350-1500°C the additions of bauxite in amounts of 10-40% have a fluxing effect due to the iron oxide introduced with bauxite in compositions with clay.

Manufacturing method of ceramic proppant, and proppant itself

FIELD: oil and gas industry. SUBSTANCE: in manufacturing method of ceramic proppant including grinding of initial charge components, preparation of ceramic slurry, introduction to the obtained ceramic slurry of water-soluble polymer binding agent, formation of granules, their drying and calcination, components of initial charge are crushed to the fraction size of not more than 30 mcm at ...

US4247508B1 - Molding process - Google Patents

Selective laser sintering with interleaved fill scan US20040035542A1 (en) * : : Ingo Ederer: Device for manufacturing models layer by layer US20040081573A1 (en) * : : 3D Systems, Inc. Binder removal in selective laser sintering US20040081733A1 (en) * …

Effect of raw material milling on ceramic proppants ...

Mar 01, 2018· Proppants are agents used in the hydraulic fracture process for the extraction of non-conventional gas and oil. ... One of the synthesis methods to obtained mullite is by sintering kaolin with an alumina source ... The particle size distribution obtained in each milling was determined using a laser diffraction based size analyzer using a ...

Selective laser sintering - Wikipedia

Selective laser sintering (SLS) is an additive manufacturing (AM) technique that uses a laser as the power source to sinter powdered material (typically nylon or polyamide), aiming the laser automatically at points in space defined by a 3D model, binding the material together to create a solid structure.It is similar to selective laser melting; the two are instantiations of the same concept ...

Process Sintering Bauxite In Kiln India

pelletization process and sintering process – Coal processing …. If you need more information about pelletization process and sintering process, …Lump Ore and Sinter popular in countries like India, …, Barium,Bauxite …

Influence of Sintering Temperature on the Microstructure ...

Oct 03, 2017· High-strength corundum-mullite based ceramic proppants have been fabricated from 2nd bauxite (62.3wt%Al 2 O 3) and purple sands, which were used as main raw materials by solid sintering method, combined with the additive of feldspar and pyrolusite powder.The phase analysis was studied by X-ray diffraction (XRD) and the morphology of specimen was observed by the scanning electron …

Selective Laser Sintering - an overview | ScienceDirect Topics

Selective Laser Sintering. Selective Laser Sintering (SLS) is a type of Powder Bed Fusion (PBF) wherein a bed of powder polymer, resin or metal is targeted partially (sintering) or fully (melting) by a high-power directional heating source such as laser that result to a solidified layer of fused powder [70].

High-strength magnesium silicate proppant obtaining method

FIELD: oil and gas industry. SUBSTANCE: high-strength magnesium silicate proppant obtaining method that includes milling of the source mixture, its granulating and annealing of the obtained granules, milling of the source mixture with MgO content equal to 24-28 wt % is made up to the particle size of 8 mcm and less, and granulation process is made with water with added sodium or potassium salt ...