ReviewACS omega2026
Recent Advances and Future Perspectives in Additives and Technologies for Low-Density Drilling Fluids.
Review in ACS omega, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
0 citing papers in PubMed.
No citing paper in PubMed yet.
Corrections and comments
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Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
This review investigates the evolution of additives and technologies developed for density reduction in drilling fluids and discusses their applicability and main trade-offs. The authors present the main advantages, limitations, and economic and environmental implications of each additive class and discuss their influence on fluid stability, rheology, and operational safety. A literature search was carried out in the ScienceDirect, Web of Science, and Scopus databases, using the following keywords: "low-density drilling fluid additives," "lightweight drilling fluid additives," "density reduction drilling fluid additives," and "underbalanced drilling fluid additives," covering experimental and review papers published between 2015 and 2026. A second search was performed using the same keywords, substituting "drilling fluid" with "drilling mud" to broaden the scope of the search. Most of the studies were experimental and focused on water-based systems, identifying hollow glass spheres as the most investigated and widely adopted additive for density reduction. Emerging materials such as polymeric and biobased additives also show promising potential for sustainable and low-cost formulations. Oil-based systems remain underrepresented in the literature despite the lower density of oil as a base fluid compared to water and the rise of environmentally friendly base oils. By clarifying technological trade-offs, identifying knowledge gaps, and outlining concrete innovation pathways, this review consolidates fragmented literature into a unified review specifically focused on density-reducing additives. In addition, by evaluating the technical, economic, and environmental factors involved, it supports the advancement of next-generation lightweight drilling fluids. Overall, the findings indicate that research on density-reducing additives is still limited, revealing a clear need for further studies and field-scale validation to support the development of the next generation of ultralightweight and sustainable drilling fluids.
Identifiers
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.