Apparatus for regulating gas pressure suitable for use in systems and/or networks for transport and/or distribution of gas, the apparatus configured to be connected upstream with an inlet duct for the gas and downstream with an outlet duct, and includes: a main regulator including: an inlet area fluidically connectable with the inlet, an outlet area fluidically connectable with the outlet, a shutter which acts between the inlet area and the outlet area, means configured to push the shutter towards a closed position, a motorization chamber in which a movable element is housed, a pilot regulator including: an inlet which is fluidically connected with a first sub-chamber, to thus allow the passage of gas from the first sub-chamber towards an inlet of the pilot regulator, an outlet which is fluidically connected to said second sub-chamber, and at least one pilot valve.

A petroleum pipeline safety system for preventing contamination of an environmentally sensitive area close to a pipeline is provided. The system includes a first portion of the pipeline including an upstream portion of the pipeline supplying a flow of fluid material and a flow restriction downstream of the first portion of the pipeline. The system further includes a second portion of the pipeline downstream of the flow restriction, receiving the flow of fluid material from the first portion and conveying the flow of fluid material through the environmentally sensitive area to a downstream portion of the pipeline. The flow restriction is configured to create a lower pipeline internal pressure within the second portion as compared to a pipeline internal pressure within the first portion. The system further includes a third portion of the pipeline downstream of the environmentally sensitive area and including the downstream portion of the pipeline.

A method for an underground gas storage reservoir management may include obtaining feed from a domestic master gas system. The method further includes simultaneously injecting and reproducing in an underground gas storage via a plurality of dual producer and injector wells. The method further includes enhancing the underground gas storage reservoir management to maximize gas and condensate recovery. The method further includes improving a switching cycle between dual operation modes in the underground gas storage for faster reaction times through a completely segregated injection and reproduction lines.

A system may automatically control a pipeline heating system to maintain a desired temperature and/or to provide flow assurance of process fluid along a pipeline. The system may identify the occurrence and location of the solidification of a given process fluid or the melting of the given process fluid by monitoring temperatures along the pipeline and identifying from the monitored temperatures the occurrence and location of a latent heat signature associated with the solidification or melting of the given process fluid. The system may calculate and display fill percentages of the solidified process fluid at locations along the pipeline. The system may determine the percentage of a given section of pipeline that is filled with solid and/or liquid process fluid on a meter-by-meter basis. The system may perform automated re-melt operations to resolve plugs of solidified process fluid that may occur in the pipeline.

The present disclosure provides a method for smart gas pipeline life prediction based on safety. The method includes: obtaining the operation information of the target gas pipeline section within the first time period; determining, based on operation information, the first performance parameter of the target gas pipeline section of at least one moment within the first time period, the first performance parameter including at least the transport performance of the target gas pipeline section within the first time period; determining, based on the first performance parameter of at least one moment, the first performance parameter sequence of the target gas pipeline section within the first time period, the first performance parameter sequence being the sequence obtained by arranging the first performance parameters of at least one moment in chronological order; and determining, based on the first performance parameter sequence, the remaining life of the target gas pipeline section.

The embodiments of present disclosure provide a method for processing abnormality of a smart gas pipeline network implemented based on a smart gas safety management platform of a safety management Internet of Things (IoT) system for the smart gas pipeline network. The method may include: obtaining detection information of a gas pipeline in a target area; determining an abnormal pipeline in the target area based on the detection information; and determining an abnormality handling scheme based on the detection information corresponding to the abnormal pipeline.

The present disclosure provides a pipeline monitoring method and Internet of Things system based on smart gas pipeline network safety. The method comprises: determining an inspection need of at least one gas pipeline segment based on pipeline characteristics and transportation characteristics; based on the inspection need of the at least one gas pipeline segment, determining at least one target pipeline segment; sending the at least one target pipeline segment to the smart gas data center, and further sending the target pipeline segment to the smart gas user platform based on the smart gas service platform; based on the at least one target pipeline segment, generating a remote control instruction and sending the remote control instruction to the smart gas data center, and based on the smart gas sensing network platform, sending the remote control instruction to the smart gas object platform to perform deep inspection.

The present invention discloses an optimization method for natural gas pipeline operation under the carbon neutrality target. From the perspective of energy structure adjustment, the present invention proposes a complete low-carbon and low-consumption optimization model of long-distance natural gas transmission network, which is used for fine calculation of multi-energy carbon emissions and energy consumption in the transportation process of natural gas pipeline network; according to different energy structure backgrounds, the corresponding objective function for minimum carbon emissions is established, the optimization algorithm is adopted to solve the objective function for minimum carbon emissions and work out the optimal scheduling scheme. The present invention can realize energy conservation and emission reduction in the process of pipeline transportation and provide technical support for achieving the target of “peak carbon dioxide emissions and carbon neutrality” in the entire natural gas industry of China as early as possible.

A hydrogen infusion system is provided that introduces hydrogen to a natural gas pipeline in order to reduce greenhouse gas emission of the pipeline. The system uses pressure differentials between the hydrogen and the natural gas pipeline to introduce the hydrogen, and as a result the system does not use a pump or any method of compression to enter the pipeline.

A data concentration system for an inner detector of an oil-gas pipeline, and a timing control method, the system includes: a multi-channel data receiving module, a data concentration module and a data transmission module. The multi-channel data receiving module is electrically connected to a plurality of probes of an inner detector and is configured to receive detection data acquired by the plurality of probes. The data concentration module is electrically connected to the multi-channel data receiving module, and is configured to receive the detection data outputted by the multi-channel data receiving module and compress the detection data. The data transmission module is electrically connected to a data storage module of the inner detector and the data concentration module respectively, and the data transmission module is configured to receive compressed detection data.