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
Step by step hand calculation for oilfield engineers.
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
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
Easy and correct calculation version
How to calculate Estimated Weight of Drill Collars in air
Easy calculation collection for oilfield engineers.
How to Calculate Equivalent Circulating Density (ECD)
- Equivalent Density Calculation - ECD calculation with Cuttings - ECD - metric ca…
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
How to use top drive function to make a connection? Explain what is dogleg? What is mean by Mud Cap?…
The bottomhole assembly (BHA) is the component of the drill string located directly above the drill…