Abstract: A system for transporting a structure to a site of use via a towing truck and a wheeled dolly that support opposite ends of the structure during transport. Two coupling members, one mounted on the dolly and the other mountable on the truck, each have fixed connectors that mate with fixed connectors on the ends of the structure. Such mating is facilitated by providing each of the coupling members with hooks that engage a bar on the end of the structure and a positioning assembly that moves the hooks vertically, longitudinally and laterally. The positioning assembly has an outer frame that is moved vertically on the coupling member by hydraulic actuating cylinders and contains an inner frame that is moved longitudinally on the outer frame by a hydraulic actuating cylinder connected between the frame. The hooks are supported on a plate that is moved laterally in the inner frame by a double-ended hydraulic actuating cylinder on the plate.

Abstract: A storage tank battery connectable between a towing frame and a dolly for transport via clevises on the tank battery and apertured plates extending from connecting frames mounted on the towing frame and the dolly. The connecting frame on the towing frame slides vertically on depending legs of the towing frame and the connecting frame on the dolly pivots on one end of the dolly so that the connecting frames can be raised and lowered by hydraulic jacks mounted on the connecting frames. The tank battery includes a rectangular container partitioned into separate tanks and internal and external bolsters, with corrugations of the partitions between tanks and laterally extending rods connected to the walls of the tanks, support the walls of the tanks against hydrostatic pressure of liquids in the battery.

Abstract: An oil well fluid processing system having a heater-treater and a gas separator mounted on a skid constructed in three sections that can be pinned together for transport. The heater-treater is pivotally mounted on the central section of the skid for pivotation to a position overlaying an end section that carries hydraulic actuating cylinders to raise the heater-treater to a vertical position. The gas separator is mounted on the other end section, and the gas separator and heater-treater are pre-plumbed with fluidly connectable pipe manifolds. The pipe manifold for the heater-treater has two portions that mate when the heater-treater is raised to a vertical position. Pinning of the skid sections is effected via apertured plates extending from the ends of the skid sections.