Directional & Steerable Drilling Patent Landscape 2026
Directional and steerable drilling IP is dominated by a small number of oilfield-services incumbents — Halliburton and the Schlumberger/SLB group together account for the majority of ranked filings, creating a highly concentrated competitive structure. The field has reached maturity, with annual volume plateauing near its 2018 peak, while adjacent technology branches in geophysics sensing and digital control systems remain comparatively under-served.
Halliburton leads a deeply consolidated field; SLB entities fill the next four ranked positions
Halliburton Energy Services holds the top position with 843 patent records, nearly three times the nearest single-entity rival. Multiple Schlumberger/SLB legal entities — Schlumberger Tech Corp (307), Schlumberger Hldg Ltd (217), Schlumberger Technology BV (196), and Schlumberger Canada Ltd (176) — collectively form a dominant second tier when their filings are considered together.
The top five filers account for 44% of the hundred largest filers’ combined total, signalling a strongly concentrated landscape. Baker Hughes Co (177 patent records) sits at fifth position with a meaningful gap below the SLB cluster, and the remaining ranked applicants trail at significantly lower counts, reinforcing a pronounced two-tier structure.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Halliburton Energy Services Inc | 843 | |
| 2 | Schlumberger Tech Corp | 307 | |
| 3 | Schlumberger Holdings Ltd | 217 | |
| 4 | Schlumberger Technology BV | 196 | |
| 5 | Baker Hughes Co | 177 | |
| 6 | Schlumberger Canada Ltd | 176 | |
| 7 | Services Petroliers Schlumberger SA | 170 | |
| 8 | Vermeer Manufacturing Co | 133 | |
| 9 | PRAD RES & DEV LTD | 92 | |
| 10 | Charles Machine Works Inc | 92 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Weatherford Technology Holdings LLC | 88 | |
| 12 | Shell Internationale Research Maatschappij BV | 77 | |
| 13 | Motive Drilling Technologies | 77 | |
| 14 | National Oilwell Varco LP | 68 | |
| 15 | XIAN RES INST OF CHINA COAL TECH & ENG GRP CORP | 47 | |
| 16 | Nabors Drilling Technologies USA Inc | 44 | |
| 17 | Baker Hughes Oilfield Operations LLC | 42 | |
| 18 | Smith International Inc | 41 | |
| 19 | Andergauge | 33 | |
| 20 | Meciria Ltd | 33 |
The entrenched positions of Halliburton and SLB imply that freedom-to-operate analysis is essential before entry. Smaller specialists — Vermeer Manufacturing (133), Motive Drilling Tech (77), and Charles Machine Works (92) — occupy defensible niches, particularly in horizontal directional drilling for non-oil applications, suggesting that niche differentiation remains viable.
Filing counts for 2024–2026 are subject to publication lag and should be treated as provisional minimums rather than indicators of declining activity. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filing volume plateaued after a 2018 peak; E21B dominates the technology mix with sparse digital adjacencies
The annual filing trend reveals a field that expanded through 2018 and has since held at a broadly stable — though somewhat eased — level, while the technology composition shows overwhelming concentration in downhole drilling mechanics with modest but growing digital and control-systems branches.
Annual filing trend
Filings peaked at 271 in 2018 and have since fluctuated in the 175–256 range through 2023. The 2024 and 2025 figures (177 and 140, respectively) and the near-zero 2026 count reflect publication lag and should not be read as a structural decline. The multi-year window still reflects an active, mature field rather than one in retreat.
↗ Hover for values · click a bar to ask EurekaTechnology composition
E21B (Earth & rock drilling — wells) overwhelmingly dominates the IPC mix, reflecting the core mechanical nature of the field. G01V (Geophysics & gravity surveying, 121 records), G05B (Control & regulating systems, 107), G06F (Electric digital data processing, 65), and G06N (Computing based on AI models, 18) are present but represent a small fraction, pointing to the early-stage integration of sensing, automation, and AI into steerable drilling systems.
↗ Hover for values · click a bar to ask EurekaHighly cited patent families surfaced by the query
Citation-heavy patent families returned by the query. Use this section as citation context, not as a curated list of the most topic-specific patents.
Rotary steerable drilling system for drilling a bo…
A bottom hole assembly for drilling a deviated wellbore is provided. The bottom hole assembly includes a drill bit and a connected rotary steerable drilling system, or RSS. The RSS includes one or more orientation sensors, a steering unit configured to direct a force through the drill bit and against a rock formation, control electronics designed to send… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Actively controlled rotary steerable system and me… | 738 |
| 2 | Automated directional drilling apparatus and methods | 440 |
| 3 | Downhole combination tool | 428 |
| 4 | Rotary steerable well drilling system utilizing sl… | 417 |
| 5 | Steerable rotary drilling device and directional d… | 412 |
| 6 | Method and apparatus for automatic closed loop dri… | 396 |
| 7 | Horizontal directional drilling machine employing … | 372 |
| 8 | Directional drilling apparatus and method | 347 |
Ranked by total forward citations. Citation counts favour older and broadly cited patent families, and broad or adjacent patents may appear when they match the search scope. Treat this section as citation context, not as a curated list of the most topic-specific patents. Some patent titles may be shown in their original, non-English language where an accurate translation could not be guaranteed.
What the patent structure means for R&D investment decisions
The combination of high concentration, a mature lifecycle, and thin digital adjacencies shapes where newcomers and incumbents can most productively direct resources. The four dimensions below frame the key strategic considerations.
Field has plateaued; annual volume eased from its 2018 peak
The lifecycle evidence places directional and steerable drilling in a Maturity stage, with annual filings having plateaued near their 2018 peak of 271. On a multi-year basis the field remains active, but the rate of truly novel mechanical drilling inventions is unlikely to accelerate. R&D investment is better directed toward incremental differentiation or adjacent digital/sensing applications than toward core rotary-steerable mechanisms.
Lifecycle: MaturityTwo-tier market; incumbents hold broad blocking positions
With Halliburton at 843 patent records and the combined SLB entities accounting for hundreds more, the top tier holds extensive blocking positions across core steerable-drilling technology. Baker Hughes at 177 records represents a credible third incumbent. New entrants face significant freedom-to-operate challenges in mainstream rotary-steerable and measurement-while-drilling architectures, making targeted niche strategies or digital-layer approaches the more practicable routes.
High concentrationCo-filing activity is almost entirely intra-SLB group coordination
The most active co-filer pairs are all SLB-affiliated entities: Schlumberger Technology BV with Services Petroliers Schlumberger SA (111 joint records), Schlumberger Hldg Ltd with Services Petroliers Schlumberger SA (90), and Schlumberger Hldg Ltd with Schlumberger Technology BV (87). This pattern reflects internal IP portfolio coordination across legal jurisdictions rather than external technology alliances, indicating that cross-industry or academic collaboration is largely absent from the recorded landscape.
Intra-group dominantUS is the primary battleground; China and Europe are secondary filing destinations
The United States leads with 1,520 patent records, consistent with the US being the home jurisdiction of all three major incumbents and the world’s largest directional-drilling market. China (789) and Canada (548) are the next largest filing destinations, followed by Europe via EPO (523) and WIPO PCT (448). Norway (138) is notable given its significance as a producing basin. The low count in Japan and South Korea suggests limited IP activity from Asian industrial equipment makers in this space.
US-centric; China risingGo beyond the landscape: Eureka’s TRIZ Solution agent breaks down an R&D problem and returns patented concept solutions, each with a technical approach and cited patent & literature evidence.
| Applicant | Collaborator | Co-filings |
|---|---|---|
| Schlumberger Technology BV | Services Petroliers Schlumberger SA | 111 |
| Schlumberger Holdings Ltd | Services Petroliers Schlumberger SA | 90 |
| Schlumberger Holdings Ltd | Schlumberger Technology BV | 87 |
| Services Petroliers Schlumberger SA | Schlumberger Canada Ltd | 75 |
| Schlumberger Technology BV | Prad Research & Development Ltd | 66 |
| Schlumberger Holdings Ltd | Prad Research & Development Ltd | 64 |
| Schlumberger Technology BV | Schlumberger Canada Ltd | 62 |
| Services Petroliers Schlumberger SA | Prad Research & Development Ltd | 60 |
| Schlumberger Holdings Ltd | Schlumberger Canada Ltd | 48 |
| Schlumberger Tech Corp | Services Petroliers Schlumberger SA | 44 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Halliburton leads outright; SLB entities show upward momentum while Halliburton’s recent pace has eased
The ranking is defined by two incumbent blocs — Halliburton and the SLB/Schlumberger group — with Baker Hughes as the credible third. Recent-filing momentum diverges sharply: SLB entities are accelerating while Halliburton’s recent pace is down.
Halliburton Energy Services
Halliburton Energy Services holds 843 patent records — the largest position in the landscape by a wide margin — concentrated in E21B 7 (directional drilling mechanics), E21B 44 (automated drilling control), and E21B 47 (downhole measurement). Despite this breadth, recent momentum shows a ▼ –26% trend versus the prior three-year period, suggesting a moderation in new filing activity rather than an erosion of the existing portfolio.
patent records: 843Schlumberger Tech Corp (SLB)
Schlumberger Tech Corp ranks second with 307 patent records, focused on the same E21B 7, E21B 44, and E21B 47 sub-classes as Halliburton. Its recent momentum is ▲ +30% versus the prior period — and when affiliated SLB entities are considered (Schlumberger Hldg Ltd at ▲ +108%, Services Petroliers Schlumberger SA at ▲ +108%), the combined SLB group is clearly the most active filer on a recent-period basis, signalling an intensification of IP investment across the group.
patent records: 307| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Halliburton Energy Services Inc | 67 | ▼ -26% |
| Schlumberger Tech Corp | 43 | ▲ +30% |
| Schlumberger Technology BV | 27 | ▲ +108% |
| Services Petroliers Schlumberger SA | 25 | ▲ +108% |
| Schlumberger Canada Ltd | 16 | ▲ new entrant |
| Vermeer Manufacturing Co | 14 | ▼ -44% |
Geophysics sensing and digital control remain under-served relative to the core mechanical base
Five IPC branches adjacent to the dominant E21B core each account for 2% or less of total classified records. Two of these — G01V and G05B — have plausible technical value and a realistic entry path for teams with sensing or software capability.
G01V · Geophysics & gravity surveying
With only 121 records and a 2% share, geophysical sensing integrated into steerable drilling tools is sparsely patented relative to the mechanical drilling core. The technical value is high: real-time formation evaluation while drilling (geosteering) is a well-established commercial need, and advances in sensor miniaturisation and signal processing create entry opportunities for electronics or sensing specialists who can combine G01V expertise with E21B downhole tool design. The absence of major consumer-electronics or semiconductor firms in the ranked applicants leaves the sub-space open.
Search this in Eureka →G05B · Control & regulating systems
G05B (107 records, 2% share) covers automated closed-loop control — a natural fit for the next generation of autonomous steerable drilling. The most-cited patents in the landscape already reference automated directional drilling and closed-loop control methods, confirming commercial relevance, yet the IPC branch remains thin. Teams with industrial-control, robotics, or model-predictive-control expertise could pursue targeted filings in autonomous trajectory management and fault-tolerant downhole control loops, areas where the incumbent oil-services majors have not yet built dense blocking portfolios.
Search this in Eureka →How leading filers differ by technology sub-class emphasis
Route coverage across the main technology branches in the current evidence set.
| Player | E21B 7 · Earth & rock drilling (wells) | E21B 47 · Earth & rock drilling (wells) | E21B 44 · Earth & rock drilling (wells) | E21B 17 · Earth & rock drilling (wells) | E21B 4 · Earth & rock drilling (wells) |
|---|---|---|---|---|---|
| Halliburton Energy Services Inc | Strong · 759 | Moderate · 242 | Moderate · 260 | Moderate · 152 | Emerging · 62 |
| Schlumberger Tech Corp | Strong · 224 | Moderate · 104 | Moderate · 109 | Moderate · 50 | Emerging · 15 |
| Schlumberger Holdings Ltd | Strong · 209 | Moderate · 75 | Moderate · 45 | Moderate · 50 | Emerging · 24 |
| Schlumberger Technology BV | Strong · 185 | Moderate · 71 | Moderate · 77 | Emerging · 34 | Emerging · 12 |
| Services Petroliers Schlumberger SA | Strong · 160 | Moderate · 75 | Moderate · 70 | Emerging · 30 | Emerging · 11 |
| Schlumberger Canada Ltd | Strong · 149 | Moderate · 71 | Moderate · 50 | Emerging · 26 | Absent |
| Baker Hughes Co | Strong · 147 | Emerging · 27 | Moderate · 38 | Moderate · 46 | Emerging · 13 |
Frequently asked questions
The analysis covers 1,876 patent families in directional and steerable drilling. Applicant rankings within this landscape are expressed in patent records, which can exceed the family count because a single family may be counted separately under multiple applicant entities or jurisdictions.
Halliburton Energy Services leads with 843 patent records — roughly 2.7 times the count of the next-ranked single entity, Schlumberger Tech Corp at 307. The combined SLB/Schlumberger group of entities collectively rivals or exceeds Halliburton’s total when their filings are aggregated.
The field is classified as Mature. Annual filings peaked at 271 in 2018 and have since plateaued in the 175–256 range. The most recent data points (2024–2026) appear lower due to publication lag and should not be interpreted as a structural decline. On a multi-year basis the field remains active.
The United States (1,520 patent records) is the primary filing jurisdiction, followed by China (789), Canada (548), Europe via EPO (523), and WIPO PCT (448). Norway (138) is a notable secondary market given its role as a major hydrocarbon-producing basin. Japan and South Korea each show very low counts, indicating limited IP activity from Asian industrial equipment manufacturers in this space.
The highest-cited work by citation count covers actively controlled rotary steerable systems (738 citations), automated directional drilling apparatus and methods (440), downhole combination tools (428), and rotary steerable systems utilising slip-ring technology (417). These foundational patents define the core rotary-steerable and automated-drilling architecture that subsequent filings build upon.
The sparsest adjacent IPC branches relative to the dominant E21B core are G01V (Geophysics & gravity surveying, 121 records, 2% share) and G05B (Control & regulating systems, 107 records, 2% share). Both have high technical relevance — geosteering sensors and autonomous closed-loop trajectory control — and neither has yet attracted dense blocking portfolios from the incumbent oil-services majors, making them the most accessible entry points for specialists in sensing or industrial-control software.
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Disclaimer. This page is generated from PatSnap Eureka data drawn from a limited snapshot of global patent and scientific-literature records, and is provided for general information and reference only.
Patent data carries inherent limitations: recent filings (typically the most recent 18–24 months) are under-counted due to standard publication lag; counts may be reported at either a patent-family or a patent-record basis and are not always directly comparable; classification, applicant-name, and citation data may contain errors, duplicates, or omissions; and the underlying search query defines and constrains the scope shown. As a result, the analysis may be incomplete or inaccurate and may not reflect the full technology landscape.
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