A fuel dispensing system includes a plurality of fuel dispensers, at least one tank configured to store fuel, at least one pump configured to pump the fuel from the tank to at least one of the fuel dispensers, and a fuel panel assembly configured to supply electric power to each of the fuel dispensers. The fuel panel assembly includes a plurality of overcurrent protection breakers, each overcurrent protection breaker provided for one of the fuel dispensers. The fuel panel assembly further includes a plurality of disconnect devices, each disconnect device provided for one of the fuel dispensers. The fuel panel assembly is provided within a single control panel enclosure.

A system for providing a well stimulation fluid can include a manifold, a first flow meter and a second flow meter. The manifold can be an integrated manifold defining a first isolated manifold path and a second isolated manifold path. The first isolated manifold path can be configured to be in fluid communication with a first wellhead and the second isolated manifold path is configured to be in fluid communication with a second wellhead. The first flow meter can be in fluid communication with the first isolated manifold path. The second flow meter can be in fluid communication with the second isolated manifold path.

A system for providing a well stimulation fluid can include a manifold, a first flow meter and a second flow meter. The manifold can be an integrated manifold defining a first isolated manifold path and a second isolated manifold path. The first isolated manifold path can be configured to be in fluid communication with a first wellhead and the second isolated manifold path is configured to be in fluid communication with a second wellhead. The first flow meter can be in fluid communication with the first isolated manifold path. The second flow meter can be in fluid communication with the second isolated manifold path.

Disclosed is an apparatus for preparing and dispensing a lubricant and coolant liquid product including a body with a base that defines a support surface for at least one container of an additive product and having a collection tank above which the container can be positioned, a storage reservoir of water suppliable from a water source, a mixing unit in communication with the reservoir and with the at least one container of the additive product, to mix the water and the additive product in a predetermined concentration, first pumping means adapted to pump the water from the reservoir toward the mixing unit, a control unit to control at least the first pumping means, and a dispensing circuit for dispensing the lubricant and coolant fluid obtained in the mixing unit. The body further includes a containing structure that encloses one, several or all the aforesaid components.

Disclosed is an apparatus for preparing and dispensing a lubricant and coolant liquid product including a body with a base that defines a support surface for at least one container of an additive product and having a collection tank above which the container can be positioned, a storage reservoir of water suppliable from a water source, a mixing unit in communication with the reservoir and with the at least one container of the additive product, to mix the water and the additive product in a predetermined concentration, first pumping means adapted to pump the water from the reservoir toward the mixing unit, a control unit to control at least the first pumping means, and a dispensing circuit for dispensing the lubricant and coolant fluid obtained in the mixing unit. The body further includes a containing structure that encloses one, several or all the aforesaid components.

A fuel delivery system and method for reducing the likelihood that a fuel tank of equipment at a well site during fracturing of a well will run out of fuel. A fuel source has plural fuel outlets, a hose on each fuel outlet of the plural fuel outlets, each hose being connected to a fuel cap on a respective one of the fuel tanks for delivery of fuel to the fuel tank. At least a manually controlled valve at each fuel outlet controls fluid flow through the hose at the respective fuel outlet.

A fuel delivery system and method for reducing the likelihood that a fuel tank of equipment at a well site during fracturing of a well will run out of fuel. A fuel source has plural fuel outlets, a hose on each fuel outlet of the plural fuel outlets, each hose being connected to a fuel cap on a respective one of the fuel tanks for delivery of fuel to the fuel tank. At least a manually controlled valve at each fuel outlet controls fluid flow through the hose at the respective fuel outlet.

A hydrogen refilling station for filling tanks of fuel cell electric vehicles includes a liquid hydrogen tank that feeds liquid hydrogen to an upstream end of a filling circuit that also includes a heat exchanger. The heat exchanger exchanges heat between the liquid hydrogen and heat transfer fluid flows to thereby cool the heat transfer fluid and vaporize the liquid hydrogen to provide a supply of high pressure hydrogen gas for filling hydrogen-fueled vehicle tanks at a downstream end of the circuit. Because the liquid hydrogen is surrounded by the heat transfer fluid inside the heat exchanger, little if any fogging occurs.

A hydrogen refilling station for filling tanks of fuel cell electric vehicles includes a liquid hydrogen tank that feeds liquid hydrogen to an upstream end of a filling circuit that also includes a heat exchanger. The heat exchanger exchanges heat between the liquid hydrogen and heat transfer fluid flows to thereby cool the heat transfer fluid and vaporize the liquid hydrogen to provide a supply of high pressure hydrogen gas for filling hydrogen-fueled vehicle tanks at a downstream end of the circuit. Because the liquid hydrogen is surrounded by the heat transfer fluid inside the heat exchanger, little if any fogging occurs.

A pumping system and a pumping method implemented with the pumping system. The pumping system comprises a solar panel performing a photovoltaic conversion based on an insolation level including a first insolation level and a second insolation level; a fuel reservoir containing a fuel in a liquid state; an electric motor; a pump rotatable by the electric motor to pump the fuel; and a first motor drive converting electrical energy supplied by the solar panel to drive the electric motor at a first speed when the insolation level is at the first insolation level and at a second speed, slower than the first speed, when the insolation level is at the second insolation level, thereby pumping the fuel at a first rate and a second rate, respectively.