Classification of J55 Casing Pipe and Drill Thread Deficiencies

The definition of imperfections in the standards for J55 casing pipe is clear: imperfections refer to discontinuities or irregularities in products that are tested in accordance with the methods given in the applicable standards; Defects are sufficiently large in size. The deficiencies of the products are the basis for product rejection in accordance with the… Continue Reading Classification of J55 Casing Pipe and Drill Thread Deficiencies

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