MPD Automated Pressure Control Patent Landscape 2026
The MPD automated pressure control space is highly concentrated, with SafeKick Americas and Halliburton together accounting for the majority of filings among the top hundred filers, all anchored in well-drilling control systems. Annual volume peaked in 2021 and has since eased, placing the field in a post-peak phase with selective activity from new entrants.
SafeKick Americas leads a tightly held, oilfield-services-dominated landscape
SafeKick Americas LLC holds the top position in the applicant ranking, followed by Halliburton Energy Services and Equinor Energy. These three, together with Citadel Drilling and Weatherford Technology Holdings, form a clear leading tier that accounts for 62% of the combined patent records of the hundred largest filers.
The concentration is pronounced: the top five filers alone command that 62% share of the top-100 group, and the remainder of the ranked field is fragmented across oilfield-service firms, national oil companies, and a small number of specialist technology entrants.
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 1 | SafeKick Americas LLC | 31 | |
| 2 | Halliburton Energy Services Inc | 19 | |
| 3 | Equinor Energy AS | 13 | |
| 4 | Citadel Drilling Ltd | 12 | |
| 5 | Weatherford Technology Holdings LLC | 8 | |
| 6 | Schlumberger Technology BV | 8 | |
| 7 | Services Petroliers Schlumberger SA | 6 | |
| 8 | Schlumberger Holdings Ltd | 6 | |
| 9 | Managed Pressure Operations Pte Ltd | 5 | |
| 10 | Noble Rig Holdings Ltd | 5 |
| # | Applicant | Patent records | Share |
|---|---|---|---|
| 11 | Grant Prideco LP | 5 | |
| 12 | PRUITT TOOL & SUPPLY | 4 | |
| 13 | Schlumberger Technology Corp | 3 | |
| 14 | Opla Energy Ltd | 3 | |
| 15 | Southwest Petroleum University | 2 | |
| 16 | Xinjiang Grand Oilfield Technology | 1 | |
| 17 | PRAD RES & DEV LTD | 1 | |
| 18 | Schlumberger Canada Ltd | 1 | |
| 19 | SafeKick Americas LLC | 1 |
SafeKick’s position as the single largest filer, with nearly double the patent records of Halliburton, signals a specialized focus strategy rather than broad portfolio diversification — a pattern that creates identifiable flanks in adjacent technology branches.
Data for 2024–2025 are subject to publication lag and likely understate current activity; interpret recent-period figures with appropriate caution. Longer-window growth, applicant concentration, and technology-route coverage are therefore more reliable signals than the latest-year bar alone.
A 2020–2021 surge has given way to post-peak consolidation across well-drilling IPC classes
The filing trend chart reveals a sharp two-year burst of activity centered on 2020–2021, while the technology composition chart shows near-total dominance of the E21B earth-drilling class with modest satellite coverage in control-systems and flow-measurement branches.
Annual filing trend
Annual filings surged from single digits pre-2020 to a peak of 28 records in 2021, then fell sharply. Years 2024–2025 appear low but should be read as publication-lag artifacts rather than confirmed continued decline.
↗ Hover for values · click a bar to ask EurekaTechnology composition
E21B (earth and rock drilling — wells) dominates the technology mix by a wide margin. G05B control and regulating systems, G01F flow and volume measurement, F15B fluid-pressure actuators, and F16K valves and taps each hold single-digit shares, indicating that control-layer and instrumentation patents remain secondary to core drilling-system filings.
↗ 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.
Elastic pipe control and compensation with managed…
A method of regulating downhole pressure using managed pressure drilling may include calculating an elasticity of a drill string during a drilling operation using a torque and drag model included in a managed pressure drilling (MPD) control system and calculating a surge pressure and a swab pressure acting on the drill string during the drilling operation… (excerpt from the patent abstract)
| # | Patent | Citations |
|---|---|---|
| 1 | Automatic choke optimization and selection for man… | 42 |
| 2 | Remote intelligent active drilling pressure contro… | 35 |
| 3 | Hierarchical pressure management for managed press… | 31 |
| 4 | Heave compensated managed pressure drilling | 22 |
| 5 | Elastic pipe control with managed pressure drilling | 20 |
| 6 | Elastic pipe control and compensation with managed… | 16 |
| 7 | Control of managed pressure drilling | 15 |
| 8 | Safe dynamic handover between managed pressure dri… | 13 |
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 landscape structure means for R&D investment decisions
The combination of post-peak filing volume, high top-tier concentration, and a narrow IPC footprint defines specific entry and differentiation options for new and existing participants.
Post-peak field with consolidating activity
The lifecycle stage is Decline: annual filings peaked in 2021 and have eased back since. The multi-year corpus of 79 patent families reflects a field that saw intense activity around a specific technological window rather than sustained incremental growth. New entrants should expect to compete against a set body of prior art concentrated in E21B well-control methods.
Lifecycle: DeclineTop five hold 62% of the hundred largest filers’ combined records
SafeKick Americas, Halliburton, Equinor, Citadel Drilling, and Weatherford collectively dominate filings among the top-100 ranked applicants. The tier gap between SafeKick (31 records) and the nearest challenger (Halliburton at 19) is substantial. Challengers outside this group have limited blocking power in the core E21B space but face less congestion in adjacent branches.
High concentrationSchlumberger entities drive internal co-filing; limited cross-firm alliances
The most active co-applicant relationships are internal to the Schlumberger group: Schlumberger Technology BV, Schlumberger Holdings, and Services Petroliers Schlumberger SA each share six joint records with one another. Outside that cluster, Managed Pressure Operations and Grant Prideco hold two joint records, and Opla Energy and Citadel Drilling share one. Genuine cross-organization R&D partnerships beyond the Schlumberger family are sparse.
Intra-group dominantUS-led filing with meaningful EPO and PCT coverage; Asia largely open
The United States leads jurisdiction coverage, followed by Europe (EPO) and WIPO PCT filings. Australia and Canada round out the primary protection markets, reflecting the offshore and western-hemisphere drilling focus of the leading applicants. China has only one patent record in scope, and Southeast Asian markets (Malaysia, Indonesia, Thailand) are minimally covered — notable given the offshore drilling activity in those regions.
US + EPO coreGo 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 | Schlumberger Holdings Ltd | 6 |
| Schlumberger Technology BV | Services Petroliers Schlumberger SA | 6 |
| Schlumberger Holdings Ltd | Services Petroliers Schlumberger SA | 6 |
| Managed Pressure Operations Pte Ltd | Grant Prideco LP | 2 |
| Opla Energy Ltd | Citadel Drilling Ltd | 1 |
| Schlumberger Technology BV | Prad Research & Development Ltd | 1 |
| Schlumberger Technology BV | Schlumberger Canada Ltd | 1 |
| Schlumberger Technology BV | Schlumberger Technology Corp | 1 |
| Schlumberger Holdings Ltd | Prad Research & Development Ltd | 1 |
| Schlumberger Holdings Ltd | Schlumberger Canada Ltd | 1 |
Co-filing pairs, ranked by the number of jointly-filed patent families.
SafeKick Americas and Halliburton lead on volume; Opla Energy and Grant Prideco emerge as new entrants
Two established oilfield-service players dominate by patent record count, with their technology emphasis almost entirely within E21B drilling-system subcategories. New entrants Opla Energy and Grant Prideco show activity in complementary well-control and completion branches.
SafeKick Americas LLC
SafeKick Americas LLC is the clear volume leader with 31 patent records, focused tightly on E21B 21 (well fluid control), E21B 44 (drilling control), and E21B 47 (measurement while drilling). Its momentum trend shows a sharp contraction — down 97% in recent filings versus the prior period — suggesting the initial filing campaign has wound down rather than signaling ongoing investment at previous intensity.
patent records: 31Halliburton Energy Services Inc
Halliburton holds 19 patent records with emphasis on E21B 21, E21B 44, and E21B 34 (downhole tools), giving it broader subsurface-control coverage than SafeKick’s more narrowly defined portfolio. Momentum data is not separately broken out for Halliburton in the evidence, but its sustained presence across multiple E21B subclasses positions it as the most technically diversified player in the top tier.
patent records: 19| Applicant | Recent (3 yrs) | Trend |
|---|---|---|
| SafeKick Americas LLC | 1 | ▼ -97% |
| Opla Energy Ltd | 6 | ▲ new entrant |
| Grant Prideco LP | 3 | ▲ new entrant |
Flow measurement, fluid-pressure actuation, and digital-control branches are under-served relative to the core drilling class
Several IPC branches adjacent to the dominant E21B core carry low patent record counts and limited applicant diversity, representing areas where the technical foundation exists but formal IP coverage remains sparse.
G01F · Flow, level & volume measuring
With only 10 patent records and a 6% share of IPC coverage, flow and volume measurement is the largest of the under-served branches. Accurate downhole flow measurement is a recognized technical dependency for closed-loop MPD control, yet primary IP activity in this class is limited. An entrant with sensor integration or real-time flow modeling capability could file in this branch with relatively low prior-art density. Entry path: instrumentation or sensor-fusion patents that couple flow data to pressure-control algorithms.
Search this in Eureka →F15B · Fluid-pressure actuators & systems
Fluid-pressure actuator systems (F15B) appear in 7 patent records at 4% share — low given that MPD choke and valve actuation is central to pressure management. The combination of sparse coverage and direct mechanical relevance makes this a plausible entry point for companies with hydraulic actuation expertise. The collaboration between Managed Pressure Operations and Grant Prideco touches this branch, but coverage remains thin. Entry path: novel actuator architectures or fail-safe designs for high-pressure well environments.
Search this in Eureka →How leading applicants differ by technology route across E21B subclasses and adjacent branches
Route coverage across the main technology branches in the current evidence set.
| Player | E21B 21 · Earth & rock drilling (wells) | E21B 47 · Earth & rock drilling (wells) | E21B 44 · Earth & rock drilling (wells) | E21B 34 · Earth & rock drilling (wells) | E21B 33 · Earth & rock drilling (wells) |
|---|---|---|---|---|---|
| SafeKick Americas LLC | Strong · 31 | Emerging · 6 | Moderate · 10 | Emerging · 3 | Emerging · 2 |
| Opla Energy Ltd | Strong · 15 | Moderate · 4 | Absent | Strong · 10 | Strong · 9 |
| Halliburton Energy Services Inc | Strong · 18 | Emerging · 2 | Moderate · 9 | Moderate · 4 | Emerging · 2 |
| Managed Pressure Operations Pte Ltd | Strong · 7 | Strong · 7 | Absent | Absent | Absent |
| Equinor Energy AS | Strong · 11 | Emerging · 2 | Absent | Absent | Absent |
| Schlumberger Technology BV | Strong · 8 | Emerging · 1 | Emerging · 1 | Absent | Emerging · 1 |
| Weatherford Technology Holdings LLC | Strong · 8 | Absent | Absent | Emerging · 1 | Absent |
Frequently asked questions
The evidence covers 79 patent families in scope for MPD automated pressure control.
SafeKick Americas LLC leads the applicant ranking with 31 patent records, substantially ahead of Halliburton Energy Services at 19 patent records.
The United States leads with 33 patent records, followed by Europe (EPO) with 21 and WIPO PCT filings with 14.
E21B (earth and rock drilling — wells) dominates the technology composition by a wide margin, with G05B control and regulating systems and G01F flow measurement holding much smaller shares.
The lifecycle stage is Decline: annual filings peaked in 2021 and have eased back. The most recent years (2024–2025) show very low recorded activity, though publication lag means those figures likely understate actual filings.
The most under-served adjacent branches are G01F flow and volume measurement (10 patent records) and F15B fluid-pressure actuators and systems (7 patent records), both technically relevant to closed-loop MPD systems but with limited current IP coverage.
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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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