VES & Foamed Fracturing Fluid Patents: Who Leads, White Space 2026
Viscoelastic Surfactant and Foamed Fracturing Fluid Patents
One assignee dominates the ranked leaders. the leader sits at 92 records against a fifth-place assignee at 41 and tenth place at 22 — filing is heavily front-loaded, not evenly spread across the 100 ranked companies. Filing rose from 5 records in 2017 to a peak of 17 in 2019, then eased back. Over the last complete three-year comparison window, 2021 to 2024, filings fell from 5 to 3 records, a 40% decline. Treat 2025 and 2026 as still filling in rather than as evidence of a continued drop.
- 1SCHLUMBERGER TECHNOLOGY BV92
- 2SCHLUMBERGER CANADA LTD80
- 3SCHLUMBERGER TECH CORP72
- 4BAKER HUGHES CO70
- 5SERVICES PETROLIERS SCHLUMBERGER SA41
See the full viscoelastic surfactant and foamed fracturing fluids analysis in Eureka
- The complete ranking, not just the top five
- Every IPC branch with its share of the corpus
- The most-cited records, and where claim space is still thin
Common questions on this landscape
Who holds the most patents on viscoelastic surfactant and foam fracturing fluids?
One assignee leads the ranked list with 92 records, well ahead of the fifth-place company at 41 and tenth place at 22. The strongest co-assignee pairs in the data link corporate variants of the same global oilfield services group, which suggests the leadership position reflects one company’s entity restructuring across jurisdictions rather than several separate firms sharing the top spot. Anyone doing freedom-to-operate work in this space should start with that leader’s full portfolio rather than treating the ranking as evenly spread competition.
Is patent filing in foam and VES fracturing fluids still growing?
Filing peaked at 17 records in 2019 and had fallen to 3 records by 2024, a 40% decline over that three-year window, so the honest read is a post-peak field rather than a growing one. Figures for 2025 and 2026 are still incomplete because publication typically lags filing by around 18 months, so they should not be read as evidence the decline is continuing. A fair statement is that filing has cooled from its 2019 high, with the most recent trend still unresolved.
What technology areas dominate this patent landscape?
C09K (materials for miscellaneous applications, largely the surfactant and foaming chemistry) appears in 76.4% of the 445 records in scope, and E21B (earth and rock drilling, covering wellbore application methods) appears in 55.1%. Because records can carry multiple classifications, these two figures overlap rather than sum to a total. Supporting classes such as mixing (B01F), pressure vessel and gas storage (F17C), and water treatment (C02F) each cover under 5% of records, marking narrower filing activity around delivery equipment and downstream water handling.
Disclaimer. This analysis is based on Patsnap Eureka data drawn from a limited snapshot of global patent records and is provided for general information and reference only. Patent data carries inherent limitations — recent filings are under-counted because of publication lag, counts may be on a record or family basis, classification and applicant-name data may contain errors or duplicates, and the underlying search query defines the scope shown — so the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
Nothing here is an exhaustive prior-art, novelty, freedom-to-operate or validity search, nor does it constitute legal, financial or professional advice, and it should not be relied upon as such. Verify independently and review with qualified patent and legal professionals before acting on it.
Method: Filing trend and technology composition. Derived from a Patsnap search on Viscoelastic Surfactant and Foamed Fracturing Fluids covering 2015–2026, data cut-off 2026-07-31. Counts reflect published records only and shift as new filings publish. Every share divides by all records in scope. Data: Patsnap Eureka. See the full landscape report.