How to reduce heat loss on couplings of Vacuum Insulated Tubing and Casing of OCTG
VIT is one important kind of OCTG for steam injection in heavy oil field. It can reduce heat loss during steam injection, improve steam injection and oil recovery efficiency, and protect oil well casing and cementing sheath from thermal stress damage.
In the existing […]
This chapter discusses OCTG materials and production process.
For OCTG, material “type” describes the composition of the steel used in manufacturing of the pipe, which impacts resistance to various types of corrosion.
The type of material for OCTG must be appropriate for the corrosiveness of the operating environment.
The six material types for OCTG are shown in […]
Drill pipe, one kind of OTCG, is a steel pipe with threaded tail, which is used to connect the surface equipment of drilling rig and drilling and grinding equipment or bottom hole device at the bottom of drilling.
The purpose of the drill pipe is to transport drilling mud to the bit and to […]
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