Collapse-resistance values for special casing that undergoes external deformation can be calculated with new pressure equations developed by the Southwest Petroleum Institute, China. These equations ...

Conductor casing Conductor casing is the first string set below the structural casing (i.e., drive pipe or marine conductor run to protect loose near-surface formations and to enable circulation of ...

New equations developed by the Southwest Petroleum Institute, China, can calculate collapse resistance pressure for casing under nonuniform loading conditions. Click here to view Equations A previous ...

Industry leader underscores the relevance of API 5CT specifications and quality assurance for safe, efficient drilling in Texas and beyond Padre Tubular, a leading U.S.-based supplier of premium ...

5 1/2" OD Seamless Casing Pipe, Grade L80, 17ppf, with world famous premium connection, range 3 comes with mtrs and tally report at shipment only. QTY: 17000 FT Beside this we provide full range of ...