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Article summary:

1. Microseismic monitoring of hydraulic fracturing is used to understand the reservoir response and increase efficiency of subsurface operations.

2. Distributed acoustic sensing (DAS) technology provides dense monitoring data as an alternative to traditional seismic arrays, with advantages such as broadband response, long aperture, and dense spatial sampling.

3. DAS-recorded microseismic events can be used for reflection imaging to map induced fractures, providing detailed analyses of wavefields and improved interpretations of the reservoir response.

Article analysis:

The article is generally reliable and trustworthy in its reporting on fracture imaging using DAS-recorded microseismic events. It provides a comprehensive overview of the topic, including a description of how microseismic monitoring has been employed in various contexts, the advantages offered by distributed acoustic sensing technology compared to traditional seismic arrays, and how DAS-recorded microseismic events can be used for reflection imaging to map induced fractures. The article also includes references to relevant research studies that support its claims.

However, there are some potential biases in the article that should be noted. For example, it does not explore any counterarguments or potential risks associated with using DAS-recorded microseismic events for fracture imaging. Additionally, it does not present both sides equally; instead it focuses mainly on the benefits of using this technology without considering any potential drawbacks or limitations. Furthermore, some of the claims made in the article are unsupported; while references are provided for most claims, there are some that lack evidence or sources to back them up.

In conclusion, while overall this article is reliable and trustworthy in its reporting on fracture imaging using DAS-recorded microseismic events, there are some potential biases that should be taken into consideration when evaluating its trustworthiness and reliability.