Learning Info

Weight of the drill string
01.03.2020
3 700
Weight of the drill string
Before planning to drill a hole to a certain depth the rating (i.e. capacity) of the rig must be kno…
Ways a driller can reduce stresses
29.02.2020
1 876
Ways a driller can reduce stresses
Keep loads to a minimum. Heavy loads are caused by the driller attempting to overcome inertia too qu…
Drilling objectives
25.01.2020
2 475
Drilling objectives
The Statements clearly set out the objective. It is important that statements are clearly worded so…
Compressed natural gas (CNG)
12.01.2020
1 386
Compressed natural gas (CNG)
Compressed natural gas (CNG) transportation is used in very small systems in environmentally sensiti…
Sweet and Sour Crudes
01.01.2020
1 458
Sweet and Sour Crudes
Crude oils are often classified according to their density and their sulfur content.
Metallurgy for downhole equipment
27.12.2019
1 696
Metallurgy for downhole equipment
The pressures, temperatures, and potentially corrosive conditions that may be found in a wellbore cr…
Drilling fluid challenges
25.12.2019
1 847
Drilling fluid challenges
All drilling challenges relate to the fundamental objective of maintaining a workable wellbore throu…
Oilfield water sampling
22.12.2019
1 114
Oilfield water sampling
Oilfield waters are often referred to as brines, especially when they contain significant quantities…
Subsea separation
21.12.2019
1 003
Subsea separation
Separation of gas and liquids is a key processing function for any production operation. Several app…
Drilling dynamics
17.12.2019
1 327
Drilling dynamics
The aim of drilling-dynamics measurement is to make drilling the well more efficient and to minimize…
Seismic monitoring of hydraulic fractures
16.12.2019
985
Seismic monitoring of hydraulic fractures
The creation of a fracture by injection of fluids is always accompanied by deformation of the earth&…
Downhole tool communication
16.12.2019
1 229
Downhole tool communication
When downhole tools that collect data were created, they stored the data in memory on the tool itsel…
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