Directional Drilling Modeling Patent Landscape 2026
Directional drilling modeling is a highly concentrated field dominated by three oilfield-services majors — Halliburton, Schlumberger (SLB), and Baker Hughes — whose combined portfolios account for the majority of ranked activity. The field is in a growth stage with a 9% recent-window increase, anchored overwhelmingly in the United States and driven by advances in downhole measurement, well-path control, and increasingly by digital and AI-assisted modeling techniques.
Halliburton leads a tightly oligopolistic field; Schlumberger entities collectively rival that position
Halliburton Energy Services ranks first with 547 patent records, well ahead of Schlumberger Tech Corp at 303 and Baker Hughes Co at 233. The top five filers’ share of the hundred largest filers stands at 52%, signaling a strongly concentrated competitive structure.
The tier gap between the leader and the rest is significant: Halliburton’s count is nearly 1.8× that of the second-ranked entity. If the multiple Schlumberger-branded entities (Schlumberger Tech Corp, Services Petroliers Schlumberger, Schlumberger Canada, Schlumberger Technology BV, GeoQuest Systems, PRAD R&D, and Schlumberger Holding) are viewed as a single corporate group, their aggregate presence rivals or exceeds Halliburton’s, making the effective duopoly between these two groups the defining structural fact of this landscape.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | Halliburton Energy Services Inc | 547 | |
| 2 | Schlumberger Tech Corp | 303 | |
| 3 | Baker Hughes Co | 233 | |
| 4 | Services Petroliers Schlumberger SA | 164 | |
| 5 | Schlumberger Canada Ltd | 162 | |
| 6 | Landmark Graphics Corp | 149 | |
| 7 | Schlumberger Technology BV | 111 | |
| 8 | GeoQuest Systems BV | 91 | |
| 9 | Saudi Arabian Oil Co | 87 | |
| 10 | Schlumberger Holding Ltd | 61 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | PRAD RES & DEV LTD | 55 | |
| 12 | Weatherford Technology Holdings LLC | 38 | |
| 13 | Smith International Inc | 36 | |
| 14 | Eavor Technologies Inc | 35 | |
| 15 | Southwest Petroleum University | 34 | |
| 16 | Baker Hughes Oilfield Operations LLC | 33 | |
| 17 | HELMERICH & PAYNE TECH LLC | 33 | |
| 18 | LOGINED | 26 | |
| 19 | Shell Oil Co | 25 | |
| 20 | Magnetic Variation Services LLC | 21 |
The leaders’ depth in E21B sub-classes — particularly E21B 44 (adaptive drilling control), E21B 7 (directional drilling methods), and E21B 47 (measurement while drilling) — suggests high barriers to entry in core modeling and control IP, pushing newer entrants such as Saudi Arabian Oil Co toward differentiated digital-processing and simulation approaches.
Patent counts for the most recent 18–24 months are likely understated due to standard publication lag; trend reads for 2024–2026 should be treated as provisional. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
Filings rising on a multi-year basis; E21B dominates but digital branches are expanding
The annual filing trend reveals sustained growth with a 9% increase over the recent window, while the technology composition chart shows a dominant core in earth-drilling IPC classes alongside a meaningful and growing secondary layer of digital and computational branches.
Annual filing trend
Activity grew from 115 records in 2017 to a visible peak of 176 in 2024, with intermediate years generally trending upward. The 2025 and 2026 figures (84 and 11, respectively) are artifacts of publication lag and should not be read as a decline; the lifecycle assessment confirms the field remains in growth.
↗ Hover for values · click a bar to ask EurekaTechnology composition
E21B (Earth & rock drilling) accounts for the largest share of IPC coverage by a wide margin, reflecting the field’s mechanical and measurement foundation. G06F (digital data processing) is the most substantial secondary class, followed by G01V (geophysics and gravity surveying), G05B (control and regulating systems), and G06N (AI-based computing), together signaling an accelerating shift toward software-centric and AI-assisted modeling.
↗ 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.
Systems, methods, and computer readable media for …
Methods, computing systems, and computer-readable media may provide a method for simulating drilling operations. The method may include receiving a set of drilling parameters. The drilling parameters may represent a configuration of a drilling operation. The method may include applying the set of drilling parameters to a trained machine learning algorithm… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Electrical submersible pump and methods for enhanc… | 474 |
| 2 | Drilling system with downhole apparatus for determ… | 449 |
| 3 | Drilling system with downhole apparatus for determ… | 338 |
| 4 | Method of drilling a well utilizing predictive sim… | 324 |
| 5 | In situ thermal processing of a hydrocarbon contai… | 304 |
| 6 | Methods and systems for improved drilling operatio… | 302 |
| 7 | Interactive method for real-time displaying, query… | 258 |
| 8 | Method and apparatus for sealing the juncture betw… | 254 |
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 structure means for R&D investment decisions
The competitive structure, lifecycle stage, collaboration network, and geographic footprint together point to specific strategic considerations for teams evaluating entry or expansion in directional drilling modeling.
Growth stage with sustained filing momentum
The lifecycle assessment places this field firmly in Growth, with annual filings still rising and a 9% increase over the recent multi-year window. The 2024 peak of 176 records underscores active investment rather than saturation. Teams entering now face an active — not declining — competitive environment, and the window for staking foundational positions in emerging sub-areas (particularly AI-assisted modeling) remains open.
Growth stageHalliburton–SLB duopoly defines the core; Baker Hughes is a clear third
The top five filers account for 52% of the hundred largest filers’ combined total, with Halliburton (547 records) and the SLB group collectively holding a dominant share of core drilling-control and MWD modeling IP. Baker Hughes (233 records) occupies a solid third tier. Landmark Graphics (149 records, -68% recent momentum) shows signs of ceding ground, creating a relative opening in the computational-modeling sub-space it historically occupied.
High concentrationCollaboration is almost entirely intra-SLB group
The ten most active co-filing pairs are all pairings among SLB-affiliated entities: Services Petroliers Schlumberger and Schlumberger Canada lead with 99 co-filed records, followed by multiple pairings among Schlumberger Tech Corp, GeoQuest Systems, Schlumberger Technology BV, PRAD R&D, and Schlumberger Holding. This pattern reflects coordinated portfolio management across a multinational corporate family rather than open ecosystem collaboration. No inter-company (cross-group) co-filing appears in the top-ten pairs, indicating that cross-industry partnerships remain an underexplored model in this space.
Intra-group dominantUS-centric filing; PCT and secondary offices provide moderate international reach
The United States is the primary filing jurisdiction with 869 patent records, making it the decisive battleground for IP protection. WIPO (PCT) filings at 309 records and Canada at 261 indicate meaningful international prosecution strategies, with Europe (EPO, 209) and the UK (203) as secondary targets. China (175 records) is a growing but still secondary jurisdiction, notable given the presence of Southwest Petroleum University and several CNPC-affiliated entities in the broader applicant list. Norway (46 records) reflects the North Sea’s strategic relevance.
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 Canada Ltd | 99 |
| Services Petroliers Schlumberger SA | Schlumberger Technology BV | 76 |
| Services Petroliers Schlumberger SA | GeoQuest Systems BV | 76 |
| Schlumberger Tech Corp | Services Petroliers Schlumberger SA | 73 |
| Schlumberger Tech Corp | Schlumberger Canada Ltd | 71 |
| Schlumberger Canada Ltd | Schlumberger Technology BV | 55 |
| Services Petroliers Schlumberger SA | PRAD Research & Development Ltd | 51 |
| Schlumberger Technology BV | Schlumberger Holding Ltd | 51 |
| Services Petroliers Schlumberger SA | Schlumberger Holding Ltd | 50 |
| Schlumberger Technology BV | PRAD Research & Development Ltd | 44 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
Halliburton leads on volume; SLB entities show stronger recent momentum
The top two corporate groups diverge on trajectory: Halliburton holds the largest single-entity portfolio but is growing modestly, while multiple SLB entities are posting sharp recent-period acceleration, and Saudi Aramco is emerging as a digitally focused challenger.
Halliburton Energy Services
With 547 patent records, Halliburton holds the largest single-entity portfolio in directional drilling modeling by a wide margin. Its technology focus is concentrated in E21B 44 (adaptive drilling control, 381 records), E21B 7 (directional drilling methods, 237), and E21B 47 (measurement while drilling, 227), reflecting deep, broad coverage of the mechanical and real-time sensing core. Recent momentum is positive at +16%, indicating continued active prosecution rather than a harvesting posture.
547 patent recordsSchlumberger Tech Corp
Schlumberger Tech Corp ranks second with 303 patent records and stands out with the sharpest recent momentum of the named leaders at +160% — though this jump likely reflects a redistribution of filings across SLB group entities rather than entirely new invention activity. Its E21B focus mirrors Halliburton’s across E21B 44 (200), E21B 7 (128), and E21B 47 (126). Saudi Arabian Oil Co (87 records, +63% momentum) is a noteworthy challenger pursuing a differentiated strategy with G06F 30 (digital data processing / simulation, 41 records) as its leading sub-class, signaling an operator-side push into computational modeling.
303 patent records| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| Halliburton Energy Services Inc | 73 | ▲ +16% |
| Schlumberger Tech Corp | 91 | ▲ +160% |
| Services Petroliers Schlumberger SA | 39 | ▲ +63% |
| Schlumberger Canada Ltd | 30 | ▲ 3.0× vs prior 3-yr |
| Landmark Graphics Corp | 15 | ▼ -68% |
| Schlumberger Technology BV | 16 | ▲ new entrant |
| GeoQuest Systems BV | 31 | ▬ +3% |
| Saudi Arabian Oil Co | 44 | ▲ +63% |
Under-served branches adjacent to the core drilling-control domain
Several IPC branches adjacent to the dominant E21B core carry meaningful technical relevance to directional drilling modeling but show relatively sparse patent coverage, representing areas where incremental R&D investment could face lower incumbent density.
G06N · AI and machine-learning models
G06N (computing based on AI models) accounts for 83 patent records — just 2% of the IPC coverage observed — despite the obvious applicability of machine learning to trajectory prediction, real-time formation evaluation, and autonomous drilling optimization. The entry path is technically direct: teams already active in E21B 44 or G06F 30 simulation can extend into G06N by coupling physics-based models with learned surrogates. Saudi Aramco’s pivot toward G06F 30 suggests operator-side appetite, but G06N-specific filings remain sparse relative to the field’s overall scale.
Search this in Eureka →G05B · Control and regulating systems
G05B (control and regulating systems) appears in 118 patent records — only 3% of IPC coverage — despite being the natural classification home for closed-loop automated drilling control, model-predictive control architectures, and autonomous steering systems. Given that E21B 44 (adaptive drilling control) is the dominant sub-class across all leading players, the relative sparsity in G05B suggests that control-system innovations in drilling are currently being filed under E21B rather than the broader control-systems class, which may leave the G05B framing underexplored as a defensive or differentiation angle for entrants with a control-engineering background.
Search this in Eureka →How leading applicants differ across technology routes
Route coverage across the main technology branches in the current evidence set.
| Player | E21B 44 · Earth & rock drilling (wells) | E21B 7 · Earth & rock drilling (wells) | E21B 47 · Earth & rock drilling (wells) | E21B 41 · Earth & rock drilling (wells) | G06F 30 · Electric digital data processing |
|---|---|---|---|---|---|
| Halliburton Energy Services Inc | Strong · 381 | Strong · 237 | Strong · 227 | Moderate · 106 | Emerging · 39 |
| Schlumberger Tech Corp | Strong · 200 | Strong · 128 | Strong · 126 | Emerging · 37 | Emerging · 35 |
| Baker Hughes Co | Strong · 135 | Strong · 105 | Strong · 116 | Moderate · 59 | Absent |
| Services Petroliers Schlumberger SA | Strong · 140 | Moderate · 57 | Strong · 81 | Emerging · 22 | Absent |
| Schlumberger Canada Ltd | Strong · 127 | Moderate · 51 | Strong · 65 | Emerging · 14 | Absent |
| Landmark Graphics Corp | Strong · 97 | Moderate · 22 | Strong · 51 | Moderate · 38 | Moderate · 43 |
| Schlumberger Technology BV | Strong · 87 | Moderate · 34 | Moderate · 43 | Absent | Emerging · 10 |
Frequently asked questions
The corpus in scope contains 1,176 patent families covering directional drilling modeling on a global basis.
Halliburton Energy Services is the top-ranked single entity with 547 patent records, followed by Schlumberger Tech Corp with 303 and Baker Hughes Co with 233. If SLB-affiliated entities are aggregated, the SLB group represents a comparable or larger combined presence.
The field is in a Growth lifecycle stage, with a 9% increase over the recent multi-year window. The apparent drop in 2025–2026 data reflects publication lag, not a real decline; the lifecycle assessment explicitly confirms annual filings are still rising.
E21B (earth and rock drilling, including wells) is the dominant IPC class by a large margin, with E21B 44 (adaptive drilling control), E21B 7 (directional methods), and E21B 47 (measurement while drilling) being the most frequently cited sub-classes across all leading applicants. G06F (digital data processing) is the next most substantial branch.
The United States is the leading filing jurisdiction with 869 patent records. WIPO (PCT) at 309, Canada at 261, Europe (EPO) at 209, and the United Kingdom at 203 are the main secondary destinations. China has 175 records, reflecting growing but still secondary interest from Chinese operators and universities.
G06N (AI and machine-learning models) and G05B (control and regulating systems) each represent sparse coverage relative to the field’s overall scale — 83 and 118 patent records respectively. Both are technically adjacent to the dense E21B core and represent areas where new entrants with AI or control-engineering expertise may face lower incumbent density.
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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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