Abstract: A blending unit is provided. The blending unit comprises two or more discharge pumps. Each of the two or more discharge pumps has a suction inlet fluidly connected to a common proppant fluid supply via a concentrated proppant inlet line, and a discharge outlet fluidly connected to a blender outlet line. Each of the two or more discharge pumps also has an injection port upstream of the discharge pump and configured to inject substantially proppant-free fluid into the concentrated proppant inlet line, an injection port downstream from the discharge pump and configured to inject substantially proppant-free fluid into the blender outlet line, or both the injection port upstream of the discharge pump and an the injection port downstream from the discharge pump.

Abstract: A proppant delivery system for delivering proppant to a well site comprises a first vehicle having a first container configured to carry a first load of proppant and deliver the first load of proppant to a location. The system further comprises a second vehicle configured to deliver a second container at the location to receive a portion of the first load into the second container. The container remains on the second vehicle during loading of the second container.

Abstract: A powered air-purifying respirator (PAPR) carriage and assembly includes: a blower assembly configured to draw in and purify ambient air; a power source operably connected to the blower assembly; and a carriage, which is configured to be worn by a user and to receive and carry the blower assembly and the power source. The carriage includes a main body that is configured to be worn on the shoulders of the user and includes a first cavity for receiving the power source and a second cavity for receiving the blower assembly. The first cavity and the second cavity are defined by portions of the main body positioned on opposing anterior and posterior sides of the user when worn. When the PAPR carriage and assembly is in use, the carriage thus causes the weight of the blower assembly and the power source to be distributed across the upper body of the user in a counterbalanced manner.

Abstract: The disclosure provides a bulk material unloading system and method. The system includes a bulk material container containing a bulk material and an unloading device. The unloading device is configured to engage the bulk material container and at least partially invert the bulk material container. The method includes engaging a bulk material container containing a bulk material with an unloading device and emptying the bulk material container. Emptying the bulk material into the hopper includes lifting the bulk material container using the unloading device and rotating the bulk material container using the unloading device.

Abstract: A bulk material dispensing system comprising a portable support structure with portable containers with wet bulk material. Locating each portable container onto the portable support structure couples a transfer member on each portable container to a vibration device on the support structure. Vibration energy is transferred from vibration device to the portable container via the transfer member. The material dispensing system is configured to route the wet bulk material from the portable container to a blender hopper via a material routing path in response to activating the vibration device.

Abstract: An indoor/outdoor cooling cabinet includes an internal cavity that may be maintained at a desired temperature by a cooling system that is powered by a DC power system having at least one onboard battery for facilitating use of the cabinet outdoors where an external power supply is not readily available. The cooling cabinet also includes an AC power system that is connectable to an external AC power source for replenishing the power stored in the at least one battery of the DC power system, which facilitates the use of the cabinet indoors.

Abstract: This invention relates to electrical junction box covers for temporary use during application of drywall and other finish work. Electrical junction boxes include any type of electrical outlet or switch box, including communication boxes for cable, Ethernet, phone, or any other related system. The covers of the invention prevent debris from entering the electrical junction boxes during the application of drywall and finish work. The covers protect electrical and data cabling and provide substantial efficiencies in construction of residential and commercial structures.

Abstract: Apparatus for treating a wetted proppant including a device to estimate fraction of water in a wetted proppant feed of a frac proppant processing plant; a system for determining an environmental temperature at which the wetted proppant will be exposed to in the frac proppant processing plant or in storage holding an output from the frac proppant processing plant; and an additive system to apply a freezing point suppression additive to the wetted proppant in proportion to the fraction of water such that a mixture of the wetted proppant plus the freezing point suppression additive does not solidify at the environmental temperature. Also, a method for treating a wetted proppant.

Abstract: The present disclosure relates to a system for processing a mixed proppant at a wellsite for a well, the system including a separator including a screen configured to receive the mixed proppant that includes a proppant meeting a desired size criteria and an oversized proppant exceeding the desired size criteria, sort the proppant from the oversized proppant, direct the proppant along a primary flow path to a blender, and direct the oversized proppant along a diverted flow path to a reducer. The reducer is operable to process the oversized proppant into a processed proppant that meets the desired size criteria.

Abstract: The disclosure provides a bulk material container including a body and one or more first engagement elements. The body includes a plurality of side walls, a bottom, a cavity, and an opening. The plurality of side walls are coupled to the bottom, and the cavity, which is configured to receive a bulk material, is formed within the plurality of side walls and above the bottom. The opening is formed by the plurality of side walls spatially opposite of the bottom and is configured to discharge the bulk material when the bulk material container is at least partially inverted. The one or more first engagement elements are coupled to the bottom of the body, and the one or more first engagement elements are configured to receive one or more prongs of a transportation device or a bulk material unloading device.

Abstract: The disclosure provides a bulk material unloading system and method. The system includes a bulk material container containing a bulk material and an unloading device. The unloading device is configured to engage the bulk material container and at least partially invert the bulk material container. The method includes engaging a bulk material container containing a bulk material with an unloading device and emptying the bulk material container. Emptying the bulk material into the hopper includes lifting the bulk material container using the unloading device and rotating the bulk material container using the unloading device.

Abstract: A system and method for independent control of simultaneous fracturing for multiple wellbores is disclosed. In certain embodiments, a first clean pumping unit and a first dirty pumping unit are fluidically coupled to a first wellbore, wherein the first clean pumping unit pumps a first fluid to the first wellbore and the second clean pumping unit pumps a second fluid to the first wellbore. In certain embodiments, a second clean pumping unit and a second dirty pumping unit are fluidically coupled to a second wellbore, wherein the second clean pumping unit pumps the first fluid to the second wellbore and the second dirty pumping unit pumps. In certain embodiments, a controller controls a pumping rate of at least one of the first clean pumping unit and the first dirty pumping unit based on a desired parameter of a combined fluid pumped to the first wellbore.

Abstract: A system and method for independent control of simultaneous fracturing for multiple wellbores is disclosed. In certain embodiments, a first clean pumping unit and a first dirty pumping unit are fluidically coupled to a first wellbore, wherein the first clean pumping unit pumps a first fluid to the first wellbore and the second clean pumping unit pumps a second fluid to the first wellbore. In certain embodiments, a second clean pumping unit and a second dirty pumping unit are fluidically coupled to a second wellbore, wherein the second clean pumping unit pumps the first fluid to the second wellbore and the second dirty pumping unit pumps. In certain embodiments, a controller controls a pumping rate of at least one of the first clean pumping unit and the first dirty pumping unit based on a desired parameter of a combined fluid pumped to the first wellbore.

Abstract: A transportable system has a power distribution system with a power distribution unit and a power module. The power module is configured to provide energy in the form of rotational motion to the power distribution system. The power distribution unit has one or more power converters and an input connection. The power distribution unit is coupled to the power module, and the rotational energy from the power module is transferred to the one or more power converters via the input connection.

Abstract: A method of controlling a pumping sequence of a fracturing fleet at a wellsite with two wellbore comprising determining a first pumping sequence for a first wellbore and determining a second pumping sequence for a second wellbore. The pumping sequences are comprised of a plurality of pump stages that are intervals based on time or volume. The intervals of the first pumping sequence and the second pump sequences are overlapped into a combined pumping sequence. At least one interval is identified wherein the combined pumping sequence exceeds an operating limit of at least one fracturing unit and the intervals from the second pumping sequence is offset from the intervals of the first pumping sequence to create a modified combined pumping sequence, wherein the interval of the modified combined pumping sequence is below the operating limit.

Abstract: Apparatus for treating a wetted proppant including a device to estimate fraction of water in a wetted proppant feed of a frac proppant processing plant; a system for determining an environmental temperature at which the wetted proppant will be exposed to in the frac proppant processing plant or in storage holding an output from the frac proppant processing plant; and an additive system to apply a freezing point suppression additive to the wetted proppant in proportion to the fraction of water such that a mixture of the wetted proppant plus the freezing point suppression additive does not solidify at the environmental temperature. A method for treating a wetted proppant is also described.

Abstract: An improved invoice management product may include an invoice hub server and an invoice database, and may receive data including one or more invoices, transmit one or more invoice records to an invoice database, identify one or more invoice records for expedited processing, transmit a request to issue an advance payment to a supplier associated with one or more supplier identifiers associated with the one or more invoice records, and transmit a notice to a customer. An Invoice Hub server may receive data comprising one or more invoices, create one or more invoice records based on the one or more invoices, transmit the one or more invoice records to an invoice database, identify one or more invoice records for expedited processing, transmit a request to issue an advance payment to a supplier, and transmit a notice to a customer associated with the one or more invoice records.

Abstract: This invention relates to electrical junction box covers for temporary use during application of drywall and other finish work. Electrical junction boxes include any type of electrical outlet or switch box, including communication boxes for cable, Ethernet, phone, or any other related system. The covers of the invention prevent debris from entering the electrical junction boxes during the application of drywall and finish work. The covers protect electrical and data cabling and provide substantial efficiencies in construction of residential and commercial structures.

Abstract: The disclosure provides a transportable system. The transportable system comprises a power distribution system comprising a first power distribution unit. The transportable system further comprises a first power module. The first power module is configured to provide energy in the form of rotational motion to the power distribution system, wherein the first power distribution unit comprises one or more power converters and an input connection, wherein the first power distribution unit is coupled to the first power module, wherein the rotational energy from the first power module is transferred to the one or more power converters via the input connection.

Abstract: This invention relates to electrical junction box covers for temporary use during application of drywall and other finish work. Electrical junction boxes include any type of electrical outlet or switch box, including communication boxes for cable, Ethernet, phone, or any other related system. The covers of the invention prevent debris from entering the electrical junction boxes during the application of drywall and finish work. The covers protect electrical and data cabling and provide substantial efficiencies in construction of residential and commercial structures.