Learning Info

Components of the drill string
18.04.2020
4 750
Components of the drill string
The drill string assembly consists primarily of the kelly, drill pipe, bottom hole assembly (BHA), a…
Weight of the drill string
01.03.2020
2 623
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
1 646
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
1 750
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
1 014
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
1 091
Sweet and Sour Crudes
Crude oils are often classified according to their density and their sulfur content.
Metallurgy for downhole equipment
27.12.2019
1 245
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
1 530
Drilling fluid challenges
All drilling challenges relate to the fundamental objective of maintaining a workable wellbore throu…
Oilfield water sampling
22.12.2019
811
Oilfield water sampling
Oilfield waters are often referred to as brines, especially when they contain significant quantities…
Subsea separation
21.12.2019
774
Subsea separation
Separation of gas and liquids is a key processing function for any production operation. Several app…
Drilling dynamics
17.12.2019
1 015
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
758
Seismic monitoring of hydraulic fractures
The creation of a fracture by injection of fluids is always accompanied by deformation of the earth&…
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