Abstract: A portable descaling apparatus for creating a forceful fluid flow through passages of a heat exchanger may comprise a cart, a fluid tank mounted on the cart and having an interior configured to hold a quantity of fluid, a fluid pump mounted on the cart and being configured to pump fluid from the tank under pressure and a pump motor mounted on the cart and being connected to the fluid pump to operate the pump.

Abstract: A fluid heater for a heating fluid and having a fluid inlet and a fluid outlet may comprise a heater housing defining an interior with a combustion chamber being positioned in the interior of the housing, and fluid tubing in the interior of the housing and adjacent to the combustion chamber, with the fluid tubing defining a fluid path through the housing between the fluid inlet and the fluid outlet. The heater may also include a burner configured to combust a fuel in the combustion chamber to heat the fluid tubing. At least a portion of the fluid path may comprise a bifurcated fluid path between the fluid inlet and the fluid outlet.

Abstract: A fluid heater for heating fluid moving along a fluid path between a fluid inlet and a fluid outlet. The fluid heater comprises a fluid preheating assembly configured to directly heat fluid moving along the fluid path, a fluid holding tank for receiving preheated fluid moving along the fluid path from the fluid preheating assembly, a primary fluid pump configured to pump fluid along the fluid path, and a primary fluid heating assembly configured to indirectly heat fluid moving along the fluid path from the fluid holding tank. Fuel is combusted in the primary fluid assembly and an exhaust gas movement path is defined to guide the exhaust gas from the primary fluid heating assembly through the fluid holding tank to the fluid preheating assembly.

Abstract: A fluid heating apparatus for heating fluid on a fluid path may comprise a fluid pump, a fluid heater, a temperature sensor to sense fluid temperature and generate a temperature signal, and a temperature control assembly configured to control the temperature of the fluid. The control assembly may comprise a target temperature input to receive a target temperature, a pump control to control operation of the fluid pump to control a flow rate of the fluid, and a heater control to control operation of the fluid heater to control a degree of heat output by the fluid heater. The temperature control assembly may be configured to increase and decrease fluid flow along the fluid path and to increase and decrease heat output of the fluid heater to control the temperature of the fluid at the fluid outlet.

Abstract: A fluid heater for heating fluid at high pressure may comprise a containment vessel with a base portion having a primary face with a peripheral surface section having a substantially frusta-conical shape. The vessel may comprise an elongated main portion having a perimeter wall with a thickness and terminating with a base edge surface. The base edge surface may have a substantially frusta-conical shape such that the base edge surface and the peripheral surface section collectively form a weld receiving groove. A width of the peripheral surface section of the primary face of the base portion may be greater than the thickness of the perimeter wall of the main portion.

Abstract: A fluid heating apparatus for heating fluid on a fluid path may comprise a fluid pump, a fluid heater, a temperature sensor to sense fluid temperature and generate a temperature signal, and a temperature control assembly configured to control the temperature of the fluid. The control assembly may comprise a target temperature input to receive a target temperature, a pump control to control operation of the fluid pump to control a flow rate of the fluid, and a heater control to control operation of the fluid heater to control a degree of heat output by the fluid heater. The temperature control assembly may be configured to increase and decrease fluid flow along the fluid path and to increase and decrease heat output of the fluid heater to control the temperature of the fluid at the fluid outlet.

Abstract: A fluid heating system for heating and dispensing fluid in a primary fluid flow path is disclosed, and may include a reservoir defining an interior for holding a quantity of a fluid, with the interior being in fluid communication with the primary fluid flow path such that the quantity of fluid in the interior is able to flow into the primary fluid flow path. A primary pump may be configured to pump fluid in the primary fluid flow path, the primary pump being in fluid communication with the primary fluid flow path. A fluid dispensing device may be configured to selectively dispense fluid from the primary fluid flow path. A steam injection apparatus may be in communication with the interior of the reservoir device to inject steam into the interior to heat fluid located in the interior of the reservoir.

Abstract: A system for heating and pressurizing fluid that defines a primary fluid flow path, and may comprise a fluid inlet into the flow path for receiving fluid at an initial fluid temperature, a fluid outlet out of the flow path, a fluid pump configured to raise the pressure of the fluid in the fluid path, and a flow diverter valve configured to divert fluid flow from the primary fluid flow path to a secondary fluid flow path. A fluid heating device may be configured to heat fluid passing through the primary fluid path, and may be incapable of heating the fluid from a first inlet temperature range to the outlet temperature in an outlet temperature range, but is capable of heating the fluid from a second inlet temperature range to the outlet temperature in the outlet temperature range.

Abstract: A cleaning apparatus for mounting on a wellhead of a well to spray elements positioned in a central passage of the wellhead. The cleaning apparatus may comprise an annular body including an inner surface defining at least a portion of an aperture through the body, with the annular body defining a fluid channel therein. The apparatus may comprise an inlet fitting on the annular body and in fluid communication with the fluid channel, and a plurality of orifices positioned on the annular body and oriented to direct fluid into the aperture. The orifices may be in fluid communication with the fluid channel such that fluid carried in the fluid channel is moved through the orifices into the aperture. A method is also disclosed, and a wellhead assembly including the cleaning apparatus is also disclosed.

Abstract: A spiral fluid heater coil system for facilitating drainage of fluid from the heater and increasing the efficiency of transferring heat to a fluid. The spiral fluid heater coil system includes a heater assembly including a combustion chamber having a chamber perimeter wall defining a chamber interior. The chamber perimeter wall has an upper end and a lower end, with the upper end of the chamber perimeter wall defining an opening into the chamber interior. The heater assembly includes a burner apparatus for burning fuel and expelling heat into the chamber interior of the combustion chamber, with the burner apparatus being positioned adjacent the lower end of the chamber perimeter wall for directing heat upwardly in the chamber interior toward the upper end of the chamber perimeter wall. The heating assembly includes a heating conduit for moving fluid through the heater housing to heat the fluid.

Abstract: A new encapsulated heating element fluid heater for heating a fluid such as water. The inventive device includes a vessel and an end cap. The end cap has a plurality of bores therethrough extending between the first and second ends of the end cap. A plurality of elongate heating element rods extend through the bores of the end cap and each heating element rod has a heating portion outwardly extending from the first end of the end cap and an electric coupling portion outwardly extending from the second end of the end cap. The first end of the end cap is inserted into an open end of the vessel such that the heating portions of the heating elements extend into the vessel. The end cap is then welded to the end of the vessel.

Abstract: A new support frame for supporting a cleaning device. The inventive device includes a base having a pair of spaced apart elongate side bars and spaced apart elongate first and second end bars. The end bars of the base are extended between the side bars of the base. The base has ground engaging members downwardly depending therefrom. The frame also includes first and second end members with each end member having a pair of elongate lower arm portions and an elongate upper cross portion. An upper mounting assembly is spaced apart from the base and is interposed between the base and the upper cross portions of the end members. Elongate first and second upper bars are extended between the arm portions of the first end member and are interposed between the upper cross portion of the first end member and the first end portion of the upper mounting assembly. A handle member is extended from the first end member away from the second end member.