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The oil and casing installation process mainly includes pre-installation preparation, drilling and trimming, pipe running operations, etc.(1) Inspection and preparation before drilling the oil casing and machine toolsNo. 1. Quality inspection of oil and casing strings:1) Check whether the on-site oi
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OCTG is a tube and pipe which is used in the production of oil and gas. This pipe is used both onshore and offshore for the production of oil and gas. Oil Country Tubular Goods is a collection of rolled metal products such as drill pipe, casing and tubing, line pipe, couplings, connections, and acce
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(1) The difference between hot working and cold working: hot rolling is hot working, and cold drawing is cold working. The main difference: is that hot rolling is rolling above the recrystallization temperature, cold rolling is rolling below the recrystallization temperature, and cold rolling is som
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1. The internal and external plastic-coated steel pipes have high mechanical strength and are suitable for harsh usage environments;2. The inner and outer coatings of the plastic-coated steel pipe can prevent metal oxidation and have good chemical corrosion resistance;3. The coating of the internal
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