Measurement While Drilling Sensor Patents: Filing Trends and Who Leads
Filing activity jumped 467% from 2021 to 2024, climbing from 6 to 34 in the peak year so far, well before publication catches up on the most recent filings. Annual filings rose from 3 in 2017 to a peak of 34 in 2024, with the 2021-to-2024 span alone showing +467% growth. 2025 and 2026 figures are still incomplete due to publication lag and should not be read as a slowdown.
- 1HALLIBURTON ENERGY SERVICES INC155
- 2SCHLUMBERGER TECH CORP131
- 3SCHLUMBERGER HLDG LTD110
- 4SCHLUMBERGER TECHNOLOGY BV96
- 5SERVICES PETROLIERS SCHLUMBERGER SA82
See the full measurement while drilling sensors 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 about MWD sensor patents
Who holds the most patents in MWD sensor technology?
The ranking in this dataset is led by an assignee with 155 families, well ahead of the fifth-ranked entity at 82 and the tenth-ranked at 34. Several of the highest-ranked names are affiliated filing entities of the same major oilfield-services group, filing under distinct corporate names in different jurisdictions. Below that leading cluster, the ranking runs to 84 assignees in total, with many holding only a small number of families each, so the field is concentrated at the top but has a long tail beneath it.
What sensor technologies are covered under MWD patents?
This landscape covers triaxial magnetometers and accelerometers used for toolface and directional measurement, downhole shock sensors for vibration and stick-slip detection, pressure-while-drilling transducers, and the high-temperature electronics that let these components operate downhole. The IPC class breakdown shows most records sitting in E21B (drilling) and G01V (geophysics), with smaller but still present activity in control systems, digital processing and vibration measurement classes.
Is MWD sensor patent filing activity growing or slowing down?
Filing activity grew sharply, up 467% from 2021 to 2024, with 2024 standing as the peak year so far at 34 filings. The apparent dip in 2025 and 2026 is not a real slowdown — patent publication typically lags filing by around 18 months, so the most recent one to two years in any filing trend are always undercounted until later data catches up.
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 Measurement While Drilling Sensors 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.