Learning Info

Sizes of common core holes
14.10.2020
3 260
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
5 256
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
5 082
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
5 646
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
1 670
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
2 828
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
8 691
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
7 631
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
7 546
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
13 636
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
3 899
Top Oilfield Memes of the Week
Great oilfield memes of this week!
Components of the drill string
18.04.2020
13 667
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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