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Rate of penetration (ROP)

Optimization Of Rate Of Penetration With Real Time Measurements Using Machine Learning And Meta-Heuristic Algorithm

Optimization Of Rate Of Penetration With Real Time Measurements Using Machine Learning And Meta-Heuristic Algorithm

... This section describes the implementation of artificial neural network to model ROP from the surface drilling parameters. The ANN concept of data processing was inspired from biological neural system in human brains. A ...

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Optimization of Hydraulic Horsepower to Predict the Rate of Penetration

Optimization of Hydraulic Horsepower to Predict the Rate of Penetration

... The rate of penetration has an important role in the success of a drilling operation, this is because if the rate of penetration is not optimum will have an impact on the cost ...the ...

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Optimization of Weight on Bit During Drilling Operation Based on Rate of Penetration

Optimization of Weight on Bit During Drilling Operation Based on Rate of Penetration

... the rate of penetration was collocated from the field ...the rate of penetration, using the actual rate of penetration taken from the drilling ...penetration rate. ...

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The Effect of Drilling Mud Density on Penetration Rate

The Effect of Drilling Mud Density on Penetration Rate

... flow rate was varied within the range of + 2 gpm which made it approximately constant, Weight on Bit (WOB) was kept constant throughout the drilling operations of the intervals selected and Rotary Rounds per ...

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Optimization Drilling Parameters Performance During Drilling in Gas Wells

Optimization Drilling Parameters Performance During Drilling in Gas Wells

... The optimization of rate of penetration for the drilling activities is going to have direct effects on the cost reduction, together with elimination of problems. It has-been reported that drilling ...

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FURTHER STUDIES ON IONIC REGULATION IN THE MUSCLE FIBRES OF CARCINUS MAENAS

FURTHER STUDIES ON IONIC REGULATION IN THE MUSCLE FIBRES OF CARCINUS MAENAS

... If the blood and muscle potassium concentrations are constant and there is a constant proportion of radioactive to normal ions in the blood, then the rate of penetration should follow a [r] ...

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Valuation of 3G spectrum license in India: A real option approach

Valuation of 3G spectrum license in India: A real option approach

... Global System for Mobile Communication (GSM) is most widely adopted mobile technology standard. As per GSM association almost 80% of the mobile subscribers are on GSM networks. There were over 3.45 Billion GSM ...

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EFFECTS OF THE PROPERTIES OF CREAMS ON SKIN PENETRATION

EFFECTS OF THE PROPERTIES OF CREAMS ON SKIN PENETRATION

... The retention on filter paper test presumably indicated that relatively small amount of NDFX-A was retained on filter paper. A previous study on the characteristics of NDFX-A in comparison to those of NDFX-B and NDFX-C ...

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Penetration of gas into concrete during a leakage rate test of reactor containments and its significance for the drop in pressure

Penetration of gas into concrete during a leakage rate test of reactor containments and its significance for the drop in pressure

... Abstract. The objective of the project described in the paper was to develop a simulation model that describes transient air pressure distribution in concrete in order to see if the leakage rates obtained from the ...

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Infiltration of Black Carbon Particles from Residential Woodsmoke into Nearby Homes

Infiltration of Black Carbon Particles from Residential Woodsmoke into Nearby Homes

... Although there was a large amount of variability in the indoor/outdoor ratios, the average value indicates that the indoor environment was not highly effective at reducing exposures to black carbon from residential ...

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Effect of freezing rate and comminution on dielectric properties of pork

Effect of freezing rate and comminution on dielectric properties of pork

... freezing rate affects on the cellular structure of meat: these effects in turn could influence the dielectric properties of meat and the subsequent interaction between meat and RF or MW ...freezing rate ...

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Effects of Different Shielding Gases and Power Waveforms on Penetration Characteristics and Porosity Formation in Laser Welding of Inconel 690 Alloy

Effects of Different Shielding Gases and Power Waveforms on Penetration Characteristics and Porosity Formation in Laser Welding of Inconel 690 Alloy

... flow rate, and the value of P on the characteristics of the resulting welds, including the weld morphology, the penetration depth, the plume volume, and the porosity ...weld penetration depth, the ...

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Parameters optimization of crop protection UAS based on the first industry standard of China

Parameters optimization of crop protection UAS based on the first industry standard of China

... Figure 1 Layout of droplet sampling cards (top view) The WSPs were fixed horizontally on the upper and lower layers at each sampling point without overlapping as Figure 2 showed, 15 cm vertical distance both to the top ...

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Corrosion behavior of AZ91 Mg Alloy coated with AlN and TiN in NaCl and Hank’s solution

Corrosion behavior of AZ91 Mg Alloy coated with AlN and TiN in NaCl and Hank’s solution

... Abstract. Magnesium alloys create increasing interest in structural application where weight reduction is vast concern. However, its low corrosion resistance especially in atmosphere environment restricts their wide ...

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The use of Taguchi method to analyze the effect of welding parameters on weldment Rakesh sharma 1, R P S Sisodia2 , Anoop Kumar Shukla 3 Vishal sharma 4

The use of Taguchi method to analyze the effect of welding parameters on weldment Rakesh sharma 1, R P S Sisodia2 , Anoop Kumar Shukla 3 Vishal sharma 4

... of penetration and weld bead ...of penetration depends on the process parameters, such as thickness of material, gas flow rate, arc voltage, travel ...

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Mathematical modelling of liquid meniscus shape in cylindrical micro-channel for normal and micro gravity conditions

Mathematical modelling of liquid meniscus shape in cylindrical micro-channel for normal and micro gravity conditions

... prevent penetration of a gas phase in the liquid line at the small flow rate of the condensate and because of pressure fluctuations in the vapor-gas-liquid ...

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Evaluation of age effects on doxorubicin-induced toxicity in mesenchymal stem cells

Evaluation of age effects on doxorubicin-induced toxicity in mesenchymal stem cells

... high penetration of doxorubicin into bone marrow and its adverse effects on MSCs, in the present study the bio- logical changes and the incidence rate of cytotoxic effects of doxorubicin on the extracted ...

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 ANTIVIRAL POTENTIAL OF MEDICINAL PLANTS: AN OVERVIEW

 ANTIVIRAL POTENTIAL OF MEDICINAL PLANTS: AN OVERVIEW

... (entry, penetration), uncoating (decapsidation), early transcription and early translation, replication of the viral genome, late transcription, late translation, virus assembly, and ...

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Design development and evaluation of extended release tablets of
Alfuzosin hydrochloride

Design development and evaluation of extended release tablets of Alfuzosin hydrochloride

... Alfuzosin hydrochloride(HCl) was formulated as oral extended release matrix tablets using polymers like sodium alginate, ethyl cellulose( EC), hydroxyl propyl methyl cellulose (HPMC K100) and hydrogenated castor oil ...

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... critical penetration velocity of tungsten alloy rod obliquely penetrating a finite-thickness metal plate, experiment and numerical calculation of tungsten alloy rod impacting on homogeneous armor steel plate with ...

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