Topic: Oil Pipe Casing and Tubing
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Answers to Common Questions
What is the difference between tubing and casing in oil industry?
Above 4-1/2 inch is called Casing. Below 4-1/2 inch is called Tubing. Both measured by Internal Diameter. CASING- Is a large diameter pipe that is assembled and inserted into a recently drilled section of a borehole TUBING - Small diameter ... Read More »
Source: http://wiki.answers.com/Q/What_is_the_difference_between_tubing_a...
What is the difference between Oil Pipe Casing, A Kelly, and Dril...
If you scroll down to the numbered diagram on the site below you will see Item # 19. That is the Kelly. It is a square steel pipe that can slide up and down as the drill pipe moves. It also imparts the twisting motion of the rotary table to... Read More »
Source: http://answers.yahoo.com/question/index?qid=20100505020232AA7RcN5
What chemical can corrode p v c pipe.can motor oils be destructiv...
"It is well known that both PVC and CPVC thermoplastic piping products are generally immune to most types of corrosion typically experienced with metallic underground piping systems. The effects of galvanic and electrochemical corrosion are... Read More »
Source: http://answers.yahoo.com/question/index?qid=20111128122130AAs9H3W
