Learning Info

Sizes of common core holes
14.10.2020
1 781
Sizes of common core holes
Sizes of common core holes which are using in oil & gas drilling.
How to Calculate: Maximum Allowable Mud Weight from Leak-off Test Data
01.07.2020
3 879
How to Calculate: Maximum Allowable Mud Weight from Leak-off Test Data
Step by step hand calculation for oilfield engineers.
Winch and brake capacity
28.06.2020
2 873
Winch and brake capacity
A winch or hoist unit (often called drawworks on some rigs, including oil and gas rigs) usually cons…
Annular Capacity Formulas & Calculations
25.06.2020
3 034
Annular Capacity Formulas & Calculations
1. Annular Capacity between Casing or Hole and Drill Pipe, Tubing, or Casing 2. Annular Capacity bet…
How to Convert Diameters from Fractions into Decimals
20.06.2020
1 192
How to Convert Diameters from Fractions into Decimals
Easy and correct calculation version
How to calculate Estimated Weight of Drill Collars in air
17.06.2020
2 019
How to calculate Estimated Weight of Drill Collars in air
Easy calculation collection for oilfield engineers.
How to Calculate Equivalent Circulating Density (ECD)
16.06.2020
5 659
How to Calculate Equivalent Circulating Density (ECD)
- Equivalent Density Calculation  - ECD calculation with Cuttings  -  ECD - metric ca…
Slip and Cut-Off Practice Drilling Line
20.05.2020
3 650
Slip and Cut-Off Practice Drilling Line
Slip and Cut-Off Practice Drilling Line process and calculations
NDC (National Drilling Company) exam questions and answers 2021
25.04.2020
6 485
NDC (National Drilling Company) exam questions and answers 2021
How to use top drive function to make a connection? Explain what is dogleg? What is mean by Mud Cap?…
Bottomhole Assembly
19.04.2020
7 771
Bottomhole Assembly
The bottomhole assembly (BHA) is the component of the drill string located directly above the drill…
Top Oilfield Memes of the Week
19.04.2020
2 417
Top Oilfield Memes of the Week
Great oilfield memes of this week!
Components of the drill string
18.04.2020
7 775
Components of the drill string
The drill string assembly consists primarily of the kelly, drill pipe, bottom hole assembly (BHA), a…
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