Frac tanks

摘要

A frac tank adapted for vehicular transport and field storage of a liquid, comprising two parallel, elongated, hollow, intersecting cylinder sections that are capped at the longitudinal ends. Each section has an arcuate wall defining a cross-section of greater than 180°, a major diameter, and a minor diameter at the ends of the arcuate wall, wherein the ends of the arcuate wall of each section are sealingly joined to form the tank wall. The joined ends of the arcuate walls form inwardly directed cusps along the length of the tank with the major diameters spaced apart on either side of the cusps.

主权项

1. A frac tank extending between longitudinal ends, comprising:
two elongated hollow sections, each section having an imperforate arcuate section wall defining an arcuate wall of greater than 180 degrees in cross section from one end of the arcuate section wall to another end of the arcuate section wall, a major diameter, and a minor diameter at the ends of the arcuate section wall, wherein the tank is composed of a plurality of longitudinally abutting and welded rings, each ring composed of two opposed segments welded together, with one segment forming a portion of one section and the other segment forming a portion of the other section, each segment having an arcuate segment wall defining a cross section of greater than 180 deg. from one end of the arcuate segment wall to another end of the arcuate segment wall, a major diameter, and a minor diameter at the ends of the arcuate segment wall, with the ends of the arcuate wall of each segment sealingly joined and with the ends of the arcuate wall of each section sealingly joined; and a cap is provided at each longitudinal end of the tank.