Drilling Fluid Classifications
Drilling fluids are separated into three major classifications: • Pneumatic&nb…
Casing Handling Tools
A wide variety of the elevator and spider assemblies are available to run casing. Some elevators are…
Casing Size Selection
Once the setting depths have been determined the next step is obviously to select the sizes of the c…
In the preceding formula, the specific weight is determined from the specific mass using the local a…
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 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
You may need to use the following below table to determine bit size and casing size.
Casing Joint Length
The lengths of casing joints vary. In the manufacture of seamless casing, it all depends...
Casing comes in odd assortment of diameters ranging from 4.-in. to 20-in. that may seem...
Manufacture of Oilfield Casing
There are two types of oil-field casing manufactured today: seamless and welded. Each has specific a…