Learning Info

How to Calculate: Maximum Allowable Mud Weight from Leak-off Test Data
01.07.2020
911
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
426
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
300
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
361
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
660
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
947
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
646
Slip and Cut-Off Practice Drilling Line
Slip and Cut-Off Practice Drilling Line process and calculations
Bottomhole Assembly
19.04.2020
2 090
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
785
Top Oilfield Memes of the Week
Great oilfield memes of this week!
Components of the drill string
18.04.2020
1 889
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
1 350
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
1 367
Ways a driller can reduce stresses
Keep loads to a minimum. Heavy loads are caused by the driller attempting to overcome inertia too qu…
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