Abstract: An example method includes introducing a movable inline inspection device into a pipeline, the movable inline inspection device having a housing that defines a conduit therein which provides fluid communication through the movable inline inspection device in the form of a bypass fluid, the conduit having one or more optical computing devices arranged thereon for monitoring the bypass fluid, wherein each optical computing device has at least one integrated computational element arranged therein, generating an output signal corresponding to a characteristic of the bypass fluid with at least one detector arranged within each optical computing device, receiving the output signal from each optical computing device with a signal processor communicably coupled to the at least one detector of each optical computing device, and determining with the signal processor the characteristic of the bypass fluid detected by each optical computing device.

Abstract: Disclosed are systems and methods for analyzing a flow of a fluid at two or more discrete locations to determine the concentration of a substance therein. One method of determining a characteristic of a fluid may include containing a fluid within a flow path that provides at least a first monitoring location and a second monitoring location, generating a first output signal corresponding to the characteristic of the fluid at the first monitoring location with a first optical computing device, generating a second output signal corresponding to the characteristic of the fluid at the second monitoring location with a second optical computing device, receiving first and second output signals from the first and second optical computing devices, respectively, with a signal processor, and determining a difference between the first and second output signals with the signal processor.

Abstract: Disclosed are systems and methods for inspecting and monitoring an inner surface of a pipeline. One system includes a pig arranged within the pipeline, one or more optical computing devices arranged on the pig adjacent the inner surface of the pipeline for monitoring at least one substance present on the inner surface. The optical computing devices include at least one integrated computational element configured to optically interact with the at least one substance and thereby generate optically interacted light, and at least one detector arranged to receive the optically interacted light and generate an output signal corresponding to a characteristic of the at least one substance. A signal processor is communicably coupled to the at least one detector of each optical computing device for receiving the output signal of each optical computing device and determining the characteristic of the at least one substance.

Abstract: A subsea pipeline apparatus is disclosed, including a multifunction unit, an inlet to direct fluid toward the multifunction unit, and energy storage unit connected to the multifunction unit, and an outlet configured to receive fluid passed through the multifunction unit. The multifuntion unit may operate in at least two modes: a generator mode, allowing the generation of energy from the flow of fluid, and a motor mode, allowing the fluid to be forced to the outlet and into the subsea pipeline.

Abstract: An example method includes introducing a movable inline inspection device into a pipeline, the movable inline inspection device having a housing that defines a conduit therein which provides fluid communication through the movable inline inspection device in the form of a bypass fluid, the conduit having one or more optical computing devices arranged thereon for monitoring the bypass fluid, wherein each optical computing device has at least one integrated computational element arranged therein, generating an output signal corresponding to a characteristic of the bypass fluid with at least one detector arranged within each optical computing device, receiving the output signal from each optical computing device with a signal processor communicably coupled to the at least one detector of each optical computing device, and determining with the signal processor the characteristic of the bypass fluid detected by each optical computing device.

Abstract: Disclosed are systems and methods for inspecting and monitoring an inner surface of a pipeline. One system includes a pig arranged within the pipeline and having a housing that defines a conduit therein for providing fluid communication through the pig, one or more optical computing devices arranged on the conduit for monitoring a bypass fluid flowing through the conduit. The one or more optical computing devices including at least one integrated computational element configured to optically interact with the bypass fluid and generate optically interacted light, and at least one detector arranged to receive the optically interacted light and generate an output signal corresponding to a characteristic of the bypass fluid. A signal processor is communicably coupled to the at least one detector of each optical computing device for receiving the corresponding output signals and determining the characteristic of the fluid.

Abstract: Disclosed are systems and methods for analyzing a flow of a fluid at two or more discrete locations to determine the concentration of a substance therein. One method of determining a characteristic of a fluid may include containing a fluid within a flow path that provides at least a first monitoring location and a second monitoring location, generating a first output signal corresponding to the characteristic of the fluid at the first monitoring location with a first optical computing device, generating a second output signal corresponding to the characteristic of the fluid at the second monitoring location with a second optical computing device, receiving first and second output signals from the first and second optical computing devices, respectively, with a signal processor, and determining a difference between the first and second output signals with the signal processor.

Abstract: A method of making a connection in hydrocarbon production equipment comprising positioning at least a portion of a receiving component about at least a portion of an insertable component, providing a swellable element within a circumferential space substantially defined by the at least a portion of the receiving component and the at least a portion the insertable component, and allowing the swellable element to expand. A hydrocarbon production equipment apparatus comprising an insertable component positioned within a receiving component, and a swellable element positioned between at least a portion of the insertable component and at least a portion of the receiving component, wherein the insertable component, the receiving component, or both is coupled to a hydrocarbon production equipment member, wherein the swellable element swells in response to contact with a swelling agent.

Abstract: A method of servicing subsea equipment comprising positioning a reaction chamber about the subsea equipment having a plug therein, wherein positioning the reaction chamber substantially isolates an area about the subsea equipment from an environment external to the reaction chamber, providing one or more reactants to the reaction chamber, and allowing a reaction to proceed between the reactants, wherein the reaction produces sufficient heat to eliminate the plug. A system for removing plugs from subsea equipment comprising a support vessel, a reaction chamber supported by the support vessel and positioned adjacent the subsea equipment having a plug therein, wherein the reaction chamber is configured to substantially isolate an area about the subsea equipment having a plug therein from an environment external to the reaction chamber, and one or more exothermically-reacting chemical reactants present within the reaction chamber.