Petroleum and natural gas industries. Equations and calculations for the properties of casing, tubing, drill pipe and line pipe used as casing or tubing PAS 015 If assemblies with such threads

If assemblies with such threads are made pressure-tight

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BS EN 15688 is a standard that serves technical specifications for the determination of urease inhibitor NBPT in fertilizers to control or reduce gaseous losses of nitrogen after fertilization with urea

Petroleum and natural gas industries. Equations and calculations for the properties of casing, tubing, drill pipe and line pipe used as casing or tubing PAS 015 If assemblies with such threads1 Scope This Technical Report illustrates the equations and templates necessary to calculate the various pipe properties given in International Standards, including pipe performance properties, such as axial strength, internal pressure resistance and collapse resistance, minimum physical properties, product assembly force (torque), product test pressures, critical product dimensions related to testing criteria, critical dimensions of testing