Liberty Energy. has filed a patent for a system that forecasts pressures in hydraulic fracturing operations. The system uses statistical and physics-based predictions to determine bottomhole and surface pressures, allowing for real-time pressure matching during operations. GlobalData’s report on Liberty Energy gives a 360-degree view of the company including its patenting strategy. Buy the report here.
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According to GlobalData’s company profile on Liberty Energy, Oil well fracking was a key innovation area identified from patents. Liberty Energy's grant share as of January 2024 was 74%. Grant share is based on the ratio of number of grants to total number of patents.
Pressure forecasting system for hydraulic fracturing operations in wells
A patent application (Publication Number: US20230417950A1) describes a system for forecasting pressures in a hydraulic fracturing system for a well. The system includes a processing module that receives specifications for a hydraulic fracturing operation, forecasts pressure results based on flow rate information, and normalizes pressure loss subcomponents. The system monitors observed pressure from the well during the operation and takes responsive action to achieve real-time pressure matching between forecasted and observed pressures.
The system utilizes a statistically based multivariate relationship derived from historical data from analogous hydraulic fracturing operations. The training data set includes variables such as historical flow rate, surface pressure, bottomhole pressure, entry pressure, proppant concentration, net pressure, friction reducer concentration, and fracture closure pressure. The system also incorporates relationships for mitigating errors in pressure loss and determining responsive actions based on threshold analysis. The system can interact with users through a graphical interface to facilitate actions such as adjusting flow rate, adding friction reducer, or reducing proppant concentration in the frac fluid. Overall, the system aims to improve the accuracy of pressure forecasting during hydraulic fracturing operations through statistical modeling and real-time monitoring.
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