How can pore diameter be determined from mesh size in sandpack?

Normally, a sandpack is prepared from sorted sand with a known mesh size and a porosity value. The mesh size can be converted to average or nominal particle diameter. My concern is to determine...

11 December 2017 1,027 1 View

What are the relative magnitudes of Active forces in Oil and Gas Reservoirs?

There are some forces active in oil and gas reservoirs, including capillary, viscous, gravity, diffusive, and convective forces. The magnitude of each force may be different from one case to...

03 April 2017 8,806 3 View

Is Non-Darcy flow same as turbulent flow?

In the context of reservoir engineering, the Non-Darcy flow is regarded as turbulent flow, as in both cases the pressure drop is higher than that in what is known as laminar flow or Darcy flow. My...

02 March 2017 5,161 19 View

Gas Material Balance Under Water Influx?

The routine Gas Material Balance is often associated with analyzing the role of aquifer, its strength, and identifying the best model to find exact behavior of aquifer and GIIP. Doing so, the...

11 December 2016 8,662 6 View

How can the air-water relative permeability data be converted to natural gas-water system?

11 December 2015 5,812 3 View

Is Natural Gas injection still an ecnomical option for secondary recovery?

09 October 2015 359 0 View

What is the recommended protocol for characterization of heavy oil and Bitumen?

Heavy oil, extra heavy oil and Bitumen are natural resources with high-molecular weight and complex molecules. Proper measurement of critical properties is too difficult to measure and some times...

09 October 2015 7,483 2 View

Is there an evidence of wax formation in Gas Condensate Reservoirs and Condensate Storage Tanks?

The gas condensate fluids are light products and thought to be free of components which may cause solid formation in reservoir, well bore and storage tanks. However, there is evidences of sludge...

08 September 2015 2,261 10 View

What are the KPIs for the gas processing industry?

07 August 2015 1,319 6 View

How will the PVT calculations be affected by Capillary Pressure?

the PVT calculations, including Bubble point, Dew Point, and Flash Calculations are mostly conducted in the bulk of fluid, ignoring the effect of capillary pressure, Pc, in the porous media....

06 July 2015 3,797 15 View

error in running a model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

error in modelling model in Abaqus

Excessive rotation of nodes in node set ErrNodeExcessRotation-Step1

17 August 2021 0 0 View

MGL tools

20 June 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

what is the simplest definition of ion exchange capacity

What this unit identifies for the ion exchange capacity ca. 0.92 meq. g-1. I am a newcomer in the membrane area. I just started. I highly appreciate your help

08 May 2021 0 0 View

i have some problem with chtMultiRegionSimpleFoam

--> FOAM FATAL ERROR: Maximum number of iterations exceeded From function Foam::scalar Foam::species::thermo::T(Foam::scalar, Foam::scalar, Foam::scalar, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar, Foam::scalar) const, Foam::scalar (Foam::species::thermo::*)(Foam::scalar) const) const [with Thermo = Foam::hConstThermo >; Type = Foam::sensibleEnthalpy; Foam::scalar = double; Foam::species::thermo = Foam::species::thermo >, Foam::sensibleEnthalpy>] in file /home/ubuntu/OpenFOAM/OpenFOAM-4.1/src/thermophysicalModels/specie/lnInclude/thermoI.H at line 66. FOAM aborting #0 Foam::error::printStack(Foam::Ostream&) at ??:? #1 Foam::error::abort() at ??:? #2 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::calculate() at ??:? #3 Foam::heRhoThermo >, Foam::sensibleEnthalpy> > > >::correct() at ??:? #4 ? at ??:? #5 __libc_start_main in "/lib/x86_64-linux-gnu/libc.so.6" #6 ? at ??:?

24 March 2021 0 0 View

Can we classify HV and LV lines based on line length?

I have dataset which shows the length of power lines. I need to classify the lines based on the line length. Is there a rule to classify the High voltage (HV) and low voltage (LV) lines based on...

03 March 2021 4,116 4 View

What is the production process of CaFe ferroalloys?

I looking for ferro calcium production process

03 March 2021 1,755 4 View

Resistor definition in Piezoelectric bimorph with ANSYS workbench

Hello, good day! I am trying to simulate similar bimorph piezoelectric harvester with below commands. However, the output power doesn't change with resistor value. Please help to find the reason. ET,10,CIRCU94,0 !SET UP RESISTOR R,1,100000 !RESISTANCE VALUE TYPE,10 !SET ELEMENT TYPE E,1,2 !CREATE RESISTOR BETWEEN NODES 1 AND 2 Thanks in advance Regards,

02 March 2021 0 0 View

Which is suitable for use with Python? MySQL or SQL Server?

Which is suitable for use with Python? MySQL or SQL Server? What is your suggestion?

01 March 2021 3,422 3 View