Серия TX оборудования мытья-за инструмента

Washover pipe and washover shoes are special fishing tools used to handle drilling troubles. Integral joint tubing manufactured by our company according to SY5487-92 is made of alloy-steel pipe of N80 or P110, with FJWP or TSWP dual thread whose surface is treated with copper plating by brush, which has the characteristic of high speed and constant strength. Efficient washover shoes is the conventional washover shoes made according to SY5285-91. It can be used to clean cement, silt, cable and such hard objects around. With the help of washover pipe, it can handle oil pipes solidified by cement and sand-clogged pipe string and satisfy construction requirements. Mechanical performance itemIndexMin tensile strength, MPa689yield strength,MPa552-758Elongation rate, %15-17Max Rockwell hardnessHRC21-25Specifications parameter ODmmWall thickness mmSuitable Minimum boreholemmMaxwash over size mmBit pressure forwash overKN273.111.43298243.8100244.511.0527021680228.610.8254200.680219.112.7244.518770206.411.9423217660193.79.5321916850177.89.19203.215350168.38.94193.7144401279.19152.410230114.38.56139.78920