Drilling Efficiency (ROP) Patent Landscape 2026
The drilling efficiency (ROP) patent space is highly concentrated, with Halliburton Energy Services and the Schlumberger group of entities collectively dominating the top positions across 622 patent families in scope. Annual filings have plateaued near their 2024 peak, signalling a mature but actively contested field where control-systems and AI-assisted approaches remain comparatively sparse.
Halliburton leads a tightly held field; Schlumberger entities collectively rival it
Halliburton Energy Services holds the top position in the applicant ranking with 290 patent records, followed by Schlumberger Tech Corp at 219 and Baker Hughes Co at 150. When the multiple Schlumberger legal entities are considered together, the combined Schlumberger presence rivals or exceeds Halliburton’s individual standing.
The top five filers account for 50% of the hundred largest filers’ combined total, indicating a sharply two-tier market: a small group of oilfield-services majors holds decisive portfolio depth, while the remaining ranked applicants each hold substantially smaller positions.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Halliburton Energy Services Inc | 290 | |
| 2 | Schlumberger Tech Corp | 219 | |
| 3 | Baker Hughes Co | 150 | |
| 4 | Services Petroliers Schlumberger SA | 101 | |
| 5 | Schlumberger Canada Ltd | 94 | |
| 6 | Schlumberger Technology BV | 88 | |
| 7 | Smith International Inc | 58 | |
| 8 | Schlumberger Holdings Ltd | 51 | |
| 9 | Baker Hughes Oilfield Operations LLC | 46 | |
| 10 | GeoQuest Systems BV | 34 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Nabors Drilling Technologies USA Inc | 32 | |
| 12 | Vermeer Manufacturing Co | 31 | |
| 13 | Landmark Graphics Corp | 27 | |
| 14 | PRAD RES & DEV LTD | 25 | |
| 15 | XIAN RES INST OF CHINA COAL TECH & ENG GRP CORP | 24 | |
| 16 | Motive Drilling Technologies | 21 | |
| 17 | Pason Systems Inc | 17 | |
| 18 | Sanvean Technologies LLC | 15 | |
| 19 | Shell Internationale Research Maatschappij BV | 14 | |
| 20 | Ulterra Drilling Technologies LP | 14 |
This degree of concentration implies that any new entrant or smaller incumbent must identify narrow technical niches—such as automated control or AI-guided optimization—rather than competing head-on in well-drilling mechanics, where the leaders’ portfolios are already deeply entrenched.
The most recent 18–24 months of filing data are subject to publication lag and are likely under-counted; the apparent dip in 2025–2026 records should not be read as a real decline. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filings have plateaued near their 2024 peak; core well-drilling mechanics dominates the technology mix
The annual filing trend and the IPC technology composition together reveal a field that is mature in its core domain but with meaningful adjacent branches that attract far less filing activity.
Annual filing trend
Annual filings grew from 60 records in 2017 to a recent high of 88 in 2024, then recorded 77 in 2025. The 2026 figure of 8 reflects publication lag only and should be disregarded as an indicator of direction. Overall, the multi-year window shows a field that has plateaued near its peak rather than declining.
↗ Hover for values · click a bar to ask EurekaTechnology composition
E21B (Earth and rock drilling for wells) accounts for the large majority of IPC-tagged records at 1,507, dwarfing all other branches. G05B (control and regulating systems) is the next-largest at 93 records, followed by G01V (geophysics and gravity surveying) at 68 and G06F (electric digital data processing) at 51. G06N (AI-based computing) appears at just 17 records, indicating that machine-learning-driven ROP optimization is still a minor share of activity relative to the mechanical core.
↗ 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.
Downhole tool dynamic and motion measurement with …
A method and system method for determining motion of a downhole tool and feeding back drilling performance. The method may comprise taking a synchronous tool face measurement of the downhole tool, taking a synchronous pulse-echo acquisition to estimate a shape of a borehole, inputting at least the shape of the borehole, the center trajectory of the downhole… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Actively controlled rotary steerable system and me… | 738 |
| 2 | Automated directional drilling apparatus and methods | 441 |
| 3 | Steerable rotary drilling device and directional d… | 413 |
| 4 | Method and apparatus for automatic closed loop dri… | 396 |
| 5 | Directional drilling assembly and method | 286 |
| 6 | Rotary drill bit having moveable formation-engagin… | 225 |
| 7 | Methods and apparatus for controlled directional d… | 214 |
| 8 | Self-controlled directional drilling systems and m… | 213 |
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 structural evidence means for R&D investment decisions
Four lenses—maturity, concentration, collaboration, and geography—translate the raw filing data into actionable context for engineers and strategists evaluating where to allocate resources.
Mature field plateaued near its 2024 peak
The lifecycle evidence classifies this field as Maturity, with annual filings plateaued near their peak. The mechanical core of ROP improvement is well-covered, meaning incremental filings in conventional E21B subclasses face crowded prior art. R&D investment should target differentiated sub-problems—automated closed-loop control, real-time formation sensing, or AI-guided parameter optimization—where the portfolio density is demonstrably lower.
Lifecycle: MaturityTwo-tier market: majors vs. distant challengers
The top five filers hold 50% of the hundred largest filers’ combined total, and the top three alone—Halliburton, Schlumberger Tech Corp, and Baker Hughes—sit well ahead of all others. This gap makes it difficult for mid-tier players to compete on portfolio breadth. Smaller entrants are better positioned by focusing on narrow technical niches, specific formation types, or software-defined drilling optimization that the majors have not yet fully converted into granted patents.
High concentrationCo-filing is almost entirely internal to the Schlumberger group
The ten most active co-filing pairs identified in the evidence are all combinations of Schlumberger legal entities—Services Petroliers Schlumberger, Schlumberger Canada, Schlumberger Technology BV, Schlumberger Holdings, and GeoQuest Systems—with pair counts ranging from 25 to 68 co-filed records. No cross-company collaboration pairs appear in the top ten, suggesting that open-innovation or joint-venture filing with outside partners is rare among the leading players and could represent a differentiation lever for challengers seeking to pool complementary capabilities.
Intra-group onlyUS-centric filing with selective international coverage
The United States leads jurisdiction coverage at 538 patent records, followed by WIPO/PCT at 198 and Canada at 196, reflecting the importance of North American shale and oil-sands markets. China at 158 and Europe (EPO) at 156 show meaningful but secondary coverage, while Norway at 33 records mirrors its offshore significance. Jurisdictions such as Brazil, India, and Southeast Asia are comparatively under-represented, suggesting gaps in protection for operators active in those frontier basins.
US dominantGo 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 |
|---|---|---|
| Services Petroliers Schlumberger SA | Schlumberger Technology BV | 68 |
| Services Petroliers Schlumberger SA | Schlumberger Canada Ltd | 60 |
| Schlumberger Tech Corp | Services Petroliers Schlumberger SA | 56 |
| Schlumberger Tech Corp | Schlumberger Canada Ltd | 54 |
| Schlumberger Technology BV | Schlumberger Canada Ltd | 43 |
| Schlumberger Tech Corp | Schlumberger Technology BV | 39 |
| Services Petroliers Schlumberger SA | Schlumberger Holdings Ltd | 35 |
| Schlumberger Technology BV | Schlumberger Holdings Ltd | 33 |
| Services Petroliers Schlumberger SA | GeoQuest Systems BV | 29 |
| Services Petroliers Schlumberger SA | Prad Research & Development Ltd | 25 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Halliburton leads on volume; Schlumberger Tech Corp shows the strongest recent momentum
The top two players share a focus on the same core E21B subclasses but diverge sharply on recent filing trajectory, with Halliburton’s recent period declining while Schlumberger Tech Corp has accelerated strongly.
Halliburton Energy Services
Halliburton Energy Services holds 290 patent records, the largest single-entity position in the corpus. Its technology focus centres on E21B 7 (drilling methods and apparatus, 206 records), E21B 44 (automatic control of drilling, 154 records), and E21B 47 (measurement while drilling, 99 records). Despite its portfolio depth, its recent filing trend is down 58% versus the prior period, suggesting a deliberate portfolio-consolidation phase rather than continued aggressive expansion.
patent records: 290Schlumberger Tech Corp
Schlumberger Tech Corp holds 219 patent records and is the most momentum-positive of the established leaders, with recent filings up 178% versus the prior period. Its technology emphasis mirrors Halliburton’s—E21B 44 (155 records), E21B 7 (133 records), and E21B 47 (115 records)—indicating a direct head-to-head contest in automated drilling control and measurement-while-drilling. When combined with affiliated entities filing as new entrants in the recent period (Services Petroliers Schlumberger and Schlumberger Canada), the Schlumberger group’s aggregate momentum is the most significant competitive shift in the current landscape.
patent records: 219| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Halliburton Energy Services Inc | 16 | ▼ -58% |
| Schlumberger Tech Corp | 64 | ▲ +178% |
| Services Petroliers Schlumberger SA | 28 | ▲ +155% |
| Schlumberger Technology BV | 19 | ▲ new entrant |
| Schlumberger Canada Ltd | 18 | ▲ new entrant |
| Baker Hughes Oilfield Operations LLC | 10 | ▼ -62% |
| GeoQuest Systems BV | 15 | ▲ +7% |
Control systems and AI-based computing are under-served relative to the mechanical core
Several IPC branches adjacent to the dominant E21B class carry relatively few patent records within this corpus, making them worth monitoring as candidate areas for differentiated filing activity—though each requires validation against commercial need and technical feasibility before being treated as an investment target.
G06N · Computing based on AI models
G06N accounts for only 17 patent records in a corpus of 622 patent families, representing roughly 1% of IPC-tagged records. Given that AI-driven ROP optimization—using neural networks or reinforcement learning to adapt weight-on-bit and rotary speed in real time—is technically plausible and has demonstrated value in adjacent drilling-automation contexts, this sparsity suggests the IP framework has not yet caught up with applied research. Entry paths include filing around specific ML architectures trained on downhole sensor data, or hybrid physics-ML models for formation-specific ROP prediction.
Search this in Eureka →G05B · Control & regulating systems
G05B holds 93 patent records, the second-largest branch but still only about 6% of IPC-tagged records, compared with E21B’s dominant share. Closed-loop, real-time control of drilling parameters sits squarely in G05B and is the technical foundation for autonomous drilling. The relatively modest filing density here—compared with the mechanical subclasses—indicates that the control-systems layer of ROP improvement is less thoroughly patented than the hardware layer, creating a plausible entry path for control-engineering specialists or software-defined drilling platform vendors.
Search this in Eureka →How leaders differ by technology route across E21B subclasses
Route coverage across the main technology branches in the current evidence set.
| Player | E21B 7 · Earth & rock drilling (wells) | E21B 44 · Earth & rock drilling (wells) | E21B 47 · Earth & rock drilling (wells) | E21B 10 · Earth & rock drilling (wells) | E21B 17 · Earth & rock drilling (wells) |
|---|---|---|---|---|---|
| Halliburton Energy Services Inc | Strong · 206 | Strong · 154 | Moderate · 99 | Emerging · 28 | Emerging · 26 |
| Schlumberger Tech Corp | Strong · 133 | Strong · 155 | Strong · 115 | Emerging · 19 | Emerging · 12 |
| Baker Hughes Co | Strong · 63 | Strong · 61 | Moderate · 30 | Strong · 79 | Strong · 56 |
| Services Petroliers Schlumberger SA | Strong · 60 | Strong · 73 | Strong · 62 | Moderate · 17 | Emerging · 9 |
| Schlumberger Technology BV | Strong · 56 | Strong · 62 | Strong · 51 | Moderate · 17 | Emerging · 7 |
| Schlumberger Canada Ltd | Strong · 50 | Strong · 57 | Strong · 53 | Moderate · 14 | Absent |
| Schlumberger Holdings Ltd | Strong · 39 | Strong · 31 | Strong · 25 | Moderate · 15 | Emerging · 7 |
Frequently asked questions
The corpus in scope contains 622 patent families. The United States is the leading filing jurisdiction with 538 patent records, followed by WIPO/PCT at 198 and Canada at 196.
Halliburton Energy Services leads with 290 patent records, followed by Schlumberger Tech Corp at 219 and Baker Hughes Co at 150. Multiple additional Schlumberger legal entities—Services Petroliers Schlumberger, Schlumberger Canada, Schlumberger Technology BV, and Schlumberger Holdings—also rank in the top ten, making the Schlumberger group collectively the largest presence in the corpus.
The field is classified as Maturity, with annual filings plateaued near their 2024 peak of 88 patent records. The 2025 figure of 77 and the 2026 figure of 8 reflect the normal publication lag for recent filings and should not be interpreted as a sustained decline.
E21B (Earth and rock drilling for wells) dominates with 1,507 IPC-tagged records. The next-largest branches—G05B (control and regulating systems) at 93, G01V (geophysics and gravity surveying) at 68, and G06F (electric digital data processing) at 51—are substantially smaller. G06N (AI-based computing) holds only 17 records, making it one of the sparser adjacent branches relative to its technical relevance.
The ten most active co-filing relationships identified are all between Schlumberger legal entities—combinations of Services Petroliers Schlumberger, Schlumberger Canada, Schlumberger Technology BV, Schlumberger Holdings, and GeoQuest Systems—with pair counts between 25 and 68 records. No cross-company collaboration pairs appear in the top ten.
The most-cited patent in the corpus is titled ‘Actively controlled rotary steerable system and methods’ with 738 citations, followed by ‘Automated directional drilling apparatus and methods’ at 441 and ‘Steerable rotary drilling device and directional drilling methods’ at 413. All top-cited patents relate to directional drilling control and automation, underscoring where foundational IP sits.
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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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