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Learning Info

A Brief History of Oil
06.05.2020
2 625
A Brief History of Oil
Oil is a uniquely rich energy source. The amount of energy stored in a gallon of oil is equal to the…
Hand Tool: Wrench Size Chart
06.05.2020
2 715
Hand Tool: Wrench Size Chart
Wrench Size Chart
Drilling Rig Rotary System
04.05.2020
16 997
Drilling Rig Rotary System
The rotary system includes all of the equipment used to achieve bit rotation. Originally, the main d…
Drilling Fluid Classifications: Pneumatic Fluids
02.05.2020
3 739
Drilling Fluid Classifications: Pneumatic Fluids
Pneumatic (air/gas based) fluids are used for drilling depleted zones or areas where abnormally low…
Drilling Fluid Classifications
02.05.2020
4 708
Drilling Fluid Classifications
 Drilling fluids are separated into three major classifications: •  Pneumatic&nb…
Casing Handling Tools
29.04.2020
9 997
Casing Handling Tools
A wide variety of the elevator and spider assemblies are available to run casing. Some elevators are…
Casing Size Selection
29.04.2020
5 003
Casing Size Selection
Once the setting depths have been determined the next step is obviously to select the sizes of the c…
Standard Gravity
28.04.2020
2 258
Standard Gravity
In the preceding formula, the specific weight is determined from the specific mass using the local a…
API 8-rd Connections
28.04.2020
14 780
API 8-rd Connections
The most common type of casing connection in use is the API 8-rd connection, where 8-rd means 8-roun…
Casing Grades
25.04.2020
10 367
Casing Grades
Casing is manufactured in several different grades. Grade is a term for classifying casing by streng…
Commonly Used Bit Sizes That Will Pass Through API Casing
25.04.2020
16 619
Commonly Used Bit Sizes That Will Pass Through API Casing
You may need to use the following below table to determine bit size and casing size. 
Casing Joint Length
25.04.2020
9 170
Casing Joint Length
The lengths of casing joints vary. In the manufacture of seamless casing, it all depends...
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