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 applications does DSO have?

08 September 2015 6,921 5 View

What are the KPIs for the gas processing industry?

07 August 2015 1,319 6 View

What are the most relevant MSc proposal topics for Petroleum Production Engineering at the moment?

I am a Petroleum Production Engg MSc student at Robert Gordon University in Aberdeen and I am in the process of selecting a topic for my MSc Engineering Investigation proposal. I would very much...

01 March 2021 7,396 4 View

How to remove fatty material from plant extract?

The resultant solid was partitioned three times with 250 ml of petroleum ether (40-60/c) to remove any fatty material and evaporated to dryness.

28 February 2021 9,464 2 View

How the wettability of rock sample can be changed by ageing in pure hydrocarbon oils only?

I want to do wettability analysis of hydrocarbon oil (octane)/rock/surfactant solution system. but to do the analysis first I have to make rock surface oil-wet. Since hydrocarbon oil does not have...

27 February 2021 5,383 3 View

Gas sensor response and recovery time independant of flow rate and chamber volume?

I am trying to obtain the response and recovery times for my gas sensor device. It appears the the response/recovery times are primarily dependant on the flow rate of the gas I inject into the...

26 February 2021 1,511 3 View

What is the suitable range of Sulfur content and Viscosity of Heavy fluid Oil that used in Kiln?

What is the disadvantages of high sulfur content to the ceramic burning process? and what is the effect of outranged viscosity?

24 February 2021 8,219 2 View

How can Gamma Ray API units be converted to CPS (counts per second)?

Oil and gas companies run gamma ray tool and take readings in API units while Gamma ray is also noted in cps, so how these units can be converted into each other?

24 February 2021 7,545 2 View

How to remove compound ( Europium complex ) from paraffin oil?

How can I remove my compound from paraffin oil? Mistakenly my compound fell in an oil. Compound = Europium complex

22 February 2021 5,667 2 View

My silica gel column dried can I somehoe save the trapped matter?

I tried to separate my substance from a protein in a sillica gel column. By mistake, it dried and cracked. Can I save the trapped substance? Can I repack it ,or at least elute all of the trapped...

22 February 2021 1,789 3 View

When I mix oil and NaOH solution, Why solid layer in the surface is formed?

During my trial for lubricant oil re-refinery process, I use NaOH as coagulant agent. After overnight of gravity settling, a solid layer in the surface was form. what product is that? since the...

22 February 2021 2,116 4 View

The type of filter paper used to filter an epoxidized oil (the mixture is an epoxidized oil with magnesium sulfate) ?

I have a mixture of epoxidized oil and magnesium sulfate wich type of filtre paper should i use

21 February 2021 3,944 3 View