Abstract: What is described is a system and method for offline cementing of a casing hanger and a casing placed in a wellbore of a well. The system includes an isolation sleeve/cementing spool that is configured for engaging the casing hanger, where the isolation sleeve has at least one access port in fluid communication with an annulus formed by the casing in the wellbore. A dummy hanger is housed within the isolation sleeve and is configured for coupling with the casing hanger and is further in fluid communication with the casing. A valve is configured for coupling to the isolation sleeve and is configured to be in fluid communication with the dummy hanger. A quick connector is coupled to the valve and enables quick coupling of a cementing head.

Abstract: This disclosure presents a latch back pressure valve for use with a wellhead assembly. The latch back pressure valve includes a body and at least one seal extending circumferentially around the body. A plurality of extendable latches are supported by the body and configured to engage with corresponding locking grooves. A poppet is configured to be displaced to open a passageway through the body. A hold-down ring is configured to engage a miming tool such that rotation of the miming tool causes the plurality of extendable latches to an extended position.

Abstract: A pressure-energized bidirectional seal having a main body having a first end and a second end and a pair of legs extending from the second end of the main body, the pair of legs having an inner surface and an outer surface, the inner surface forming a hollow interior opening in a first direction. The bidirectional seal includes at least one rib extending from the outer surfaces and configured to sealingly engage a mating surface of a mating body the at least one rib forming a sealing zone opening in a second direction opposite of the first direction.

Abstract: A frac sand separator system includes a sand separator having an inlet fluidly connected to a well for receiving a fracking return mixture from the well. The sand separator is configured to separate water of the fracking return mixture from particulate matter of the fracking return mixture. The sand separator includes an outlet. The frac sand separator system includes a collection container fluidly connected to the outlet of the sand separator for receiving the particulate matter from the sand separator. At least one outlet valve is fluidly connected between the outlet of the sand separator and the collection container. The frac sand separator system includes a computing device operatively connected to the at least one outlet valve. The computing device includes a processor configured to automatically open the at least one outlet valve such that the particulate matter is released from the sand separator into the collection container.

Abstract: A frac sand separator system includes a sand separator having an inlet fluidly connected to a well for receiving a fracking return mixture from the well. The sand separator is configured to separate water of the fracking return mixture from particulate matter of the fracking return mixture. The sand separator includes an outlet. The frac sand separator system includes a collection container fluidly connected to the outlet of the sand separator for receiving the particulate matter from the sand separator. At least one outlet valve is fluidly connected between the outlet of the sand separator and the collection container. The frac sand separator system includes a computing device operatively connected to the at least one outlet valve. The computing device includes a processor configured to automatically open the at least one outlet valve such that the particulate matter is released from the sand separator into the collection container.

Abstract: A system for supplying fracturing fluid to a fracturing tree coupled to a wellhead comprising: a zipper module having a lower block with a first opening configured to receive the fracturing fluid, the lower block being independently rotatable at a swivel assembly around a vertical axis relative to the lower block; an upper block with a second opening configured to dispel the fracturing fluid, the upper block being independently rotatable at a swivel connection around the vertical axis; an internal flow path between the upper block and the lower block; and a fluid conduit between the zipper module and the fracturing tree comprising at least one pipe, wherein the at least one pipe defines a first straight flow path between the zipper module and the fracturing tree.

Abstract: A system for delivering hydraulic fracturing fluid to a wellbore is provided. The system includes a first frac tree connected to a first wellbore and a second frac tree connected to second wellbore. The system further includes a zipper module and a first single straight-line connection between the zipper module and the first frac tree. The system also includes a second single straight-line connection between the first frac tree and the second frac tree.

Abstract: A frac tree coupled to a wellhead is connected to either flowback equipment or zipper modules using a single straight-line connection of pipes, valves, and/or frac iron that define a straight-line pathway for fluid, gas, or flowback materials. The disclosed single straight-line connections referenced herein may be used in pressure pumping operations to deliver hydraulic fracturing fluid (“frack fluid”) to a frac tree for delivery to a wellhead or for carrying flowback from the wellhead to a flowback-collecting equipment. Using the single straight-line connections referenced herein dramatically reduces the complexity of connections needed to deliver frack fluid to or carry flowback away from a well, thereby reducing the cost, improving the efficiency, and increasing the safety of pressure-pumping and flowback operations.

Abstract: A system and method of controlling and monitoring a cementing process injecting a cement slurry down a well that causes a return of a drilling fluid includes a first and second flowmeters disposed in the primary return conduit configured to generate a flow rate measurements of the returned drilling fluid, a first control valve receiving control signals from a microprocessor to regulate conducting the returned drilling fluid to a reservoir, a choke valve disposed downstream from the first and second flowmeters receiving control signals from a microprocessor to regulate diverting the returned drilling fluid in the primary return conduit in response to a detection of the presence of gas in the returned drilling fluid, and a mud-gas separator disposed in the primary return conduit configured to receive the diverted drilling fluid and separate the diverted drilling fluid into a mud component for return to the reservoir and a gas component for controlled burn off.

Abstract: The valve member includes a valve body and a seal. The valve body defines a first frusto-conical surface and an outside annular cavity. The seal extends within the outside annular cavity and includes a first tapered and circumferentially-extending surface adapted to sealingly engage the tapered surface of the valve seat. In another aspect, the seal includes an annular bulbous protrusion from which the first tapered and circumferentially-extending surface angularly extends, the first tapered and circumferentially-extending surface extending between the annular bulbous protrusion and the first frusto-conical surface of the valve body. In another aspect, an offset distance is defined between the first frusto-conical surface of the valve body and at least a portion of the first tapered and circumferentially-extending surface of the seal, the offset distance extending in a direction that is perpendicular to at least the first frusto-conical surface of the valve body.