Apparatuses, systems, and methods are disclosed for producing and liberating hydrogen gas and sequestering carbon dioxide through sequential serpentinization and carbonation (mineralization) reactions conducted in situ via one or more wellbores that at least partially traverse subterranean geological formations having large concentrations of mafic igneous rock, ultramafic igneous rock, or a combination thereof.

A sand collector including a diverter section and a filter section. The diverter section having a tubular portion with at least one aperture extending therethrough and at least one collector extending outwardly therefrom to cooperate with an exterior side of the tubular portion to form a channel in which solids traveling on the exterior side of the tubular portion from the upper end toward the lower end are guided to the aperture. The filter section having a tubular portion with an upper end, a lower end, and a sidewall extending between the upper end and the lower end. The filter section having at least one aperture extending through the sidewall, the upper end of the filter section extending from the lower end of the collector section and the lower end of the filter section being closed and connectable to at least one of another sucker rod and an upper end of a pump assembly.

A sand separation system and method for operating a sand separation system, in which the method includes separating sand from a fluid using a separator. The method includes, signaling for a blowdown unit to blowdown the separator, opening one or more blowdown valves of the blowdown unit coupled to the separator in response to the signaling, so as to blowdown the separator, and receiving the sand from the separator into a sand disposal unit. The sand passes through the one or more blowdown valves that are opened. The method includes measuring a weight of at least some of the sand that was separated in the separator using a load cell of the separator, a load cell of the sand disposal unit, or both, and determining a blowdown interval for subsequent blowdown operations of the separator based in part on the weight of the sand.

An apparatus for treating a multiphase hydrocarbon-containing fluid in an oil and/or gas production facility, the apparatus comprising: (a) an inlet for a multiphase hydrocarbon-containing fluid, wherein the inlet comprises a first pipe network configured to be connectable to a plurality of oil well heads in an oil field; (b) a separation system comprising: (i) a solids separator in fluid communication with the inlet; (ii) a solids outlet connected to the solids separator; (iii) a fluid separator in fluid communication with the solids separator, the fluid separator being configured to separate the remaining multiphase hydrocarbon-containing fluid into an oil phase, a water phase and a gas phase; (iv) an oil outlet connected to the fluid separator; (v) a gas outlet connected to the fluid separator; and (vi) a water outlet connected to the fluid separator; (c) a solids cleaning system connected to the solids outlet, wherein the solids cleaning system is configured to clean deposits of residual oil from the solid particles separated by the solids separator to provide cleaned solid particles and first residual oil, the solids cleaning system having a first output for outputting the cleaned solid particles and a second output configured to output the first residual oil; and (d) a water cleaning and recycling system connected to the water outlet, wherein the water cleaning and recycling system is configured to clean residual oil from the water phase separated by the fluid separator, the water cleaning and recycling system comprising an oil filter for separating the residual oil from the water phase to provide cleaned water and second residual oil, the oil filter having a third output for recycling the cleaned water to at least one well head of the oil field, wherein the third output comprises a second pipe network configured to be connectable to the at least one well head of the oil field, and a fourth output configured to output the second residual oil. Also disclosed is a corresponding method.

A system for conditioning a gas includes an inlet configured to receive the gas from a gas source. The system also includes a strainer downstream from the inlet. The strainer is configured to remove debris from the gas. The system also includes a first flowpath downstream from the strainer. The first flowpath includes a first pressure regulator that is configured to regulate a pressure of the gas by a first amount. The system also includes a second flowpath downstream from the strainer. The first and second flowpaths are parallel. The second flowpath includes a second pressure regulator that is configured to regulate the pressure of the gas by a second amount. The system also includes one or more flowpath valves downstream from the strainer and upstream from the first pressure regulator, the second pressure regulator, or both.

A system includes a solids catcher that is centered with respect to a central axis of a tubing. The system includes an inner annulus, an outer annulus, and a chamber between the inner annulus and the outer annulus. A solids accumulation zone is formed in the chamber. A pump disposed offset from the central axis of the tubing. The pump is fluidly connected to the solids catcher through the outer annulus. A fluid stream carrying solids flowing from the pump. The fluid stream carrying solids is configured to follow a path delimited by the outer annulus and the chamber until the fluid stream deposits the solids in the solids accumulation zone and departs the solids catcher via the inner annulus into a tubing.

Apparatuses, systems, and methods related to water treatment are generally described. In particular, clarifiers that may improve solids thickening and related systems and methods are disclosed.

An automated sand separator discharge system includes a sand separator disposed downstream of a wellhead, an inlet conduit for transporting a process stream to the sand separator, a fluid outlet conduit for transporting a liquid and gas stream from the sand separator, a sand discharge conduit for removing sand from the sand separator, first, second, and third valves disposed along the sand discharge conduit, a first transducer connected between the first and second valves and operative to measure pressure in a portion of the sand discharge conduit and to produce a pressure reading, and a control panel operatively connected to the first, second, and third valves and the first transducer, the control panel being programmed to initiate and terminate discharge of sand from the sand separator, and to determine if the first and second valves are sealing completely when closed.

A device and a method for gas-water-sand separation and measurement during a simulated exploitation of natural gas hydrates are disclosed. The device includes a natural gas hydrate formation and dissociation system and a filtering unit. The natural gas hydrate formation and dissociation system includes a compressed air pump, a reactor, and a water-bath temperature regulating unit. The filtering unit includes a kettle body, wherein an inlet end of the kettle body is connected to the sand-control liner zone, an outlet end of the kettle body is connected to a water-collecting container, and a plurality of filtering layers are disposed inside the kettle body from the inlet end to the outlet end. The method is conducted using the device. The device and the method realize the gas-water-sand separation and measurement of produced gas-water-sand mixture during a simulative exploitation process, allowing for a direct inspection on a sand production and sand control.

An apparatus, system and related methods for controlling a pressurized flow from a high or low pressure system. An actuated sand dump system and related methods include a first valve positioned downstream of a high or low pressure system, a second valve positioned downstream of the first valve, a choke positioned between in the first and second valves, a plurality of pressure gauges, and a control unit operable to automatically open and close the first and second valves and the choke in a predetermined sequence, upon initiating the predetermined sequence, and in response to pressure measurements from the plurality of pressure gauges.