公开(公告)号：US20250110013A1

公开(公告)日：2025-04-03

申请号：US18898551

申请日：2024-09-26

Applicant: MARATHON PETROLEUM COMPANY LP

Inventor： Jason S. Dalton ,  Stephen Daniel Ernst

IPC: G01M3/28

Abstract: Methods and systems to monitor a pipeline for a leak or rupture. An embodiment of the system may include sensor assemblies. Each of the sensor assemblies may include an optical signal generator, an input, an output, and a transmission time circuitry configured to determine a transmission time of the optical signal. The transmission time circuitry may be configured to generate a transmission time data packet including the transmission time. Each of the sensor assemblies may include a fiber optic cable positionable about a circumference of the pipeline and connected to the output and the input. The system may include a controller connected to each of the sensor assemblies and configured to prompt each of the plurality of sensor assembly to generate the optical signal and determine whether the leak or the rupture has occurred based on the transmission time data packet from each of the plurality of sensor assemblies.

公开(公告)号：US12297965B2

公开(公告)日：2025-05-13

申请号：US18788992

申请日：2024-07-30

Applicant: MARATHON PETROLEUM COMPANY LP

Inventor： Zachary D. Thobe ,  Stephen D. Ernst ,  Jason S. Dalton

IPC: F17D3/12 ,  B01F23/10 ,  B01F35/21 ,  B01F35/83 ,  B01F101/00 ,  F17D1/02

Abstract: Systems and methods for injecting hydrogen into a natural gas pipeline to lower the carbon intensity of the resulting fuel blend while achieving the required energy output thereof for the end user. In one embodiment a blend ratio for the blended fuel comprising hydrogen and natural gas is determined based at least in part on a minimum energy output for fuel combusted at an end-use location connected to the natural gas pipeline so that the blended fuel (i) has a lower carbon intensity than a natural gas stream flowing in the natural gas pipeline, and (ii) provides at least the minimum energy output when combusted at the end-use location. Further, one or more embodiments include adjusting a control valve of a hydrogen injection assembly connected to the natural gas pipeline upstream of the end-use location based at least in part on the blend ratio to thereby mix hydrogen into the natural gas pipeline and produce the blended fuel.

公开(公告)号：US20250052379A1

公开(公告)日：2025-02-13

申请号：US18788992

申请日：2024-07-30

Applicant: MARATHON PETROLEUM COMPANY LP

Inventor： Zachary D. Thobe ,  Stephen D. Ernst ,  Jason S. Dalton

IPC: F17D3/12 ,  B01F23/10 ,  B01F35/21 ,  B01F35/83 ,  B01F101/00 ,  F17D1/02

Abstract: Systems and methods for injecting hydrogen into a natural gas pipeline to lower the carbon intensity of the resulting fuel blend while achieving the required energy output thereof for the end user. In one embodiment a blend ratio for the blended fuel comprising hydrogen and natural gas is determined based at least in part on a minimum energy output for fuel combusted at an end-use location connected to the natural gas pipeline so that the blended fuel (i) has a lower carbon intensity than a natural gas stream flowing in the natural gas pipeline, and (ii) provides at least the minimum energy output when combusted at the end-use location. Further, one or more embodiments include adjusting a control valve of a hydrogen injection assembly connected to the natural gas pipeline upstream of the end-use location based at least in part on the blend ratio to thereby mix hydrogen into the natural gas pipeline and produce the blended fuel.