Reviewed September 2026 against the U.S. Energy Information Administration (EIA) and Mordor Intelligence/360iResearch capital-expenditure research.

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The upstream oil and gas value chain is the set of activities that happen before a barrel or a cubic foot of gas ever reaches a refinery: exploration, drilling, well construction, production, and eventually decommissioning. It is the highest-spending segment of the whole oil and gas industry value chain — upstream work absorbed 73.24% of total global oil and gas capital expenditure in 2025, according to Mordor Intelligence/360iResearch’s industry report. In the United States, that spending is concentrated in a handful of basins that now set the pace for the entire oil and gas value chain, and the choices made at each stage ripple outward into agriculture, forestry, mining, and infrastructure.

The Upstream Oil and Gas Value Chain Process, Stage by Stage

Every discussion of the oil and gas upstream value chain starts from the same four stages. They are sequential, but in practice large operators run several basins through different stages simultaneously:

• ✔ Exploration & Appraisal: Locating, assessing, and validating new oil and gas reserves via seismic surveys, satellite data, and geotechnical analysis.
• ✔ Drilling & Well Construction: Building access to sub-surface reservoirs using advanced rigs, technologies to reduce emissions, and modular field setups.
• ✔ Production & Early-Stage Processing: Extracting and preliminarily treating hydrocarbons, managing waste, water, and energy resources.
• ✔ Decommissioning & Restoration: Responsible site closure, land rehabilitation, and transitioning areas for alternate economic or ecological use.

This is the same process the industry maps out under the phrase “upstream oil and gas value chain,” and it is worth being precise about scope: upstream stops at the wellhead and early separation. Everything after that — pipeline transport, refining, and retail distribution — belongs to the midstream and downstream segments, which is why an oil and gas value chain diagram usually shows three connected blocks rather than one.

Where U.S. Upstream Production Actually Comes From

Numbers make the stage-by-stage description concrete. The EIA forecasts total U.S. crude oil production at 13.7 million barrels per day (bpd) for 2026. Of that, the Permian Basin (West Texas and southeastern New Mexico) alone produced 6.7 million bpd in December 2025 — 48% of total U.S. crude output, per EIA data cited by Permian Basin Oil and Gas Magazine. The Permian’s marketed natural gas production reached 29.1 billion cubic feet per day (Bcf/d) in the same month, according to the EIA’s Today in Energy briefing on the Permian Basin.

Breaking the Permian down by geologic formation, the EIA reports 6.0 million bpd of crude and 22.2 Bcf/d of dry natural gas coming specifically from the basin’s stacked shale plays (the Wolfcamp, Spraberry, and Bone Spring formations, among others) as of December 2025 — the difference between this and the basin-wide totals above is production from older, non-tight formations layered underneath the shale.

Offshore tells a smaller but still material story. The EIA’s forecast for the Gulf of Mexico (referred to in EIA’s own 2026 materials as the Gulf of America) puts 2026 crude output at 1.81 million bpd and natural gas at 1.64 Bcf/d, per the EIA’s Gulf of Mexico production outlook. That is roughly 13% of the national crude total riding on a single offshore basin — useful context for anyone modelling how concentrated the oil and gas industry value chain has become in a few geographies.

These EIA figures are monthly-to-quarterly releases, not fixed facts — check the linked “Today in Energy” pages directly for the current month’s update before citing them in a report, since both the Permian and Gulf figures are revised as new well data comes in.

Capital Spending and Value Chain Optimisation

“Oil and gas value chain optimisation” in practice means capital allocation — deciding how much of a limited budget goes to upstream exploration and drilling versus midstream and downstream assets. Mordor Intelligence/360iResearch sizes the global oil and gas capex market at $628.50 billion for 2026, with upstream claiming 73.24% of that total in 2025 — a concentration that has held roughly steady because shale drilling and offshore development both require continuous reinvestment just to hold production flat, unlike a refinery that can run for years on the same capital base.

At the company level, Chevron’s 2026 guidance illustrates the same pattern: the company has budgeted $18–19 billion in total capital expenditure for 2026, with upstream projects — the Permian, the Gulf of Mexico/America, and international assets — absorbing the large majority of that figure, according to Chevron’s own 2026 capital budget announcement. For a reader tracking the current state of upstream spend rather than a single snapshot, the Dallas Fed’s Energy Survey is a durable source: it publishes quarterly readings on operator capex intentions and production outlooks and is a faster-moving barometer than the annual market-size reports.

The industry research firms behind the global capex figure — Mordor Intelligence and 360iResearch — typically refresh their forecasts in the fourth quarter of each year. For U.S.-specific capital spending, the more current source is each major producer’s SEC Form 10-Q filing, released quarterly, which breaks out capital expenditure by segment (upstream, midstream/downstream) and often by basin.

Value Chain Pillars & Cross-Sector Relevance

To understand the implications of the upstream oil and gas value chain, it helps to walk through how each stage links to agriculture, forestry, mining, and infrastructure sectors that share the same land and supply base.

1. Exploration & Appraisal

• ✔ Seismic surveys, remote sensing, and geotechnical data generation shape field logistics, requiring roads, temporary staging areas, and land-access negotiations with local communities.
• ✔ Agriculture and forestry experience both risk (soil disturbance, compaction) and reward (temporary land tenure payments, rehabilitation guarantees).
• ✔ Early stakeholder engagement and biodiversity planning preserve ecosystem services while enabling responsible exploration.

2. Drilling & Well Construction

• ✔ Drilling operations require significant energy, water, and waste management. Demand for steel, cement, and diesel creates direct supply-chain linkages with mining and heavy infrastructure.
• ✔ Water coordination is critical in arid basins — the Permian spans West Texas, where irrigation, municipal, and drilling demands compete for the same limited groundwater.
• ✔ Modular, lower-emission rigs and advanced waste management reduce environmental impact and support adjacent-sector sustainability goals.

3. Production & Early-Stage Processing

• ✔ Local economies are reshaped by production facilities (wellheads, gathering systems) through employment, services, and regional supply contracts.
• ✔ Co-location with energy hubs delivers power, compressed air, and steam — useful for agro-processing and local industrialization near producing basins.
• ✔ Early processing supports value-added chains even in otherwise remote regions.

4. Decommissioning & Restoration

• ✔ The post-production phase offers opportunities for land restoration and transition to agriculture, forestry, or conservation use.
• ✔ Restoration funds, carbon credit programmes, and timber or mineral salvage can align operator incentives with sustainable land use.
• ✔ Well-executed decommissioning supports long-term biodiversity and financial returns for communities.

Sectoral Impact Comparison Table: Upstream Oil & Gas Value Chain

These ranges are illustrative planning figures for a mid-size upstream operating region and are not sourced to a single published study; a project team should replace them with basin-specific figures from a state oil and gas commission or a company’s own Environmental Impact Statement filings before using them in an actual land-use plan.

Agriculture, Forestry, Mining, and Infrastructure: Opportunities & Considerations

Agriculture: Rural Value & Resilience

• ✔ Job creation, supplier network expansion, and shared infrastructure (roads, grid) enhance rural livelihoods near producing basins.
• ✔ Agribusinesses can engage in tiered procurement for catering, logistics, and equipment servicing.
• ✔ Environmental baselining and soil/water protection plans help ensure long-term farm productivity on land adjacent to well pads.
• ✔ Remote sensing data (including Farmonaut’s earth observation solutions) can optimize irrigation, pest management, and yield prediction, supporting cross-sector supply chain resilience.

Forestry: Carbon, Timber, and Biodiversity

• ✔ Rehabilitation and reforestation commitments from operators support carbon sequestration and sustainable timber supply.
• ✔ Timber salvage from upstream-disturbed sites can benefit local sawmills, while maintaining biodiversity safeguards.
• ✔ Shared access corridors serve forest patrols and firebreaks, building wildfire resilience.
• ✔ Biodiversity action plans and transparent reporting drive ongoing improvement.

Mining: Strategic Synergy for Critical Minerals

• ✔ Upstream oil and gas projects often share land, mineral rights, and infrastructure with mining firms — especially where both sectors compete for the same water and road access.
• ✔ Coordinated environmental and land-use planning minimizes cumulative disturbance and permitting risk.
• ✔ Joint infrastructure investment (power, water, roads) lowers operating costs and emissions for both industries.
• ✔ Discover how Farmonaut’s satellite based mineral detection enables rapid, non-invasive exploration, reducing field activity and environmental risk.
• ✔ For advanced operations, Farmonaut offers satellite driven 3D mineral prospectivity mapping, bridging the gap to more efficient drilling and prospect validation.

Infrastructure: Economic & Social Growth

• ✔ Upstream investments in roads, ports, and power lines catalyze local infrastructure, contracting, and vocational training opportunities.
• ✔ Local SME engagement via logistics, catering, and maintenance contracts increases economic multipliers across the value chain.
• ✔ Enhanced security and environmental compliance costs necessitate robust risk management and transparent governance.
• ✔ Workforce development enhances local value and operational resilience.

Estimate Your Project’s Upstream Capex Share

Since upstream activity claims 73.24% of total oil and gas capital spending industry-wide, a project team can use that same split to sanity-check its own budget against the sector norm. Enter your project’s total planned capex and the upstream share you are actually budgeting, and compare it against the 73.24% industry benchmark.

Assumes the 73.24% figure (Mordor Intelligence/360iResearch, 2025) as the reference point; it does not account for basin type (onshore shale vs. offshore), project phase, or whether decommissioning liabilities are included in “total capex.” Use it to flag a budget split that is far outside the industry norm, not as an investment decision on its own.

Best Practices for Value Chain Implementation

To maximize value and minimize risk across all stages of the upstream oil and gas value chain, organizations embed these practices at every stage:

✔ Land-Use Planning

• ✔ Early, transparent land assessments with local communities and Indigenous groups.
• ✔ Clear documentation of rehabilitation commitments and measurable milestones.
• ✔ Integrated biodiversity and ecosystem protection plans.

✔ Collaboration & Procurement

• ✔ Unified supplier rosters spanning logistics, catering, and maintenance — favoring local SMEs and reducing costs.
• ✔ Multi-sector procurement policies that synthesize agriculture, forestry, and mining supply chains.

✔ Environmental & Social Governance

• ✔ Conformity to standards such as the IFC Performance Standards and the Equator Principles for water, biodiversity, and emissions management.
• ✔ Publication of clear KPIs and restoration outcomes for stakeholders.

✔ Technology & Data Sharing

• ✔ Adopt remote sensing, digital twins, and IoT for real-time environmental monitoring and footprint reduction.
• ✔ Share data with adjacent sectors (mining, forestry) for more informed planning.

✔ Resilience and Risk Planning

• ✔ Develop contingency scenarios for market volatility, climate impacts, and regulatory changes.
• ✔ Track quarterly capex-intention surveys, such as the Dallas Fed’s Energy Survey, to catch shifts in upstream spending before annual reports confirm them.

Farmonaut’s Role: Satellite Mining Intelligence & Sustainable Exploration

While most recognized for our impact in agriculture, forestry, and wildfire monitoring, at Farmonaut we have built satellite-based mineral detection to support mineral exploration for mining and upstream sectors alike.

• ✔ Using Earth observation, remote sensing, and AI, we shift early exploration from the ground to space — reducing field costs and eliminating direct environmental disturbance from early-stage surveys.
• ✔ Our platform identifies mineralization zones, alteration halos, and geological structures at speed and area coverage that ground crews cannot match.
• ✔ Remote analysis reduces carbon emissions and unnecessary fieldwork, supporting more responsible resource stewardship aligned with ESG mandates.
• ✔ We deliver mineral intelligence covering high-potential zones, prospectivity heatmaps, and 3D drilling insights in days rather than months.

Discover more about our satellite exploration solutions for mining operations and early-stage resource planning at our Satellite-Based Mineral Detection product page.

For advanced prospectivity analytics, our Satellite Driven 3D Mineral Prospectivity Mapping provides interactive, model-driven insight for strategizing drill targets and investment decisions.

In-Depth Learning: Upstream Oil & Gas, Mining, and Sustainability

Frequently Asked Questions

Conclusion and How to Track This Going Forward

The upstream oil and gas value chain is, by spending, the dominant part of the wider oil and gas industry value chain — 73.24% of a $628.50 billion global 2026 capex pool, concentrated in basins like the Permian (6.7 million bpd, 48% of U.S. crude, December 2025) and the Gulf of Mexico (1.81 million bpd forecast for 2026). Those production and spending figures are exactly the kind of numbers that move: the EIA updates its basin production estimates monthly, Chevron and its peers report new capex guidance every quarter in SEC 10-Q filings, and Mordor Intelligence/360iResearch typically refreshes its global market forecast each fourth quarter.

The durable part of this article is not any single figure — it’s the four-stage framework (exploration, drilling, production, decommissioning) and the three sources worth bookmarking to keep your own numbers current: the EIA’s Today in Energy series for basin-level production, a producer’s own quarterly 10-Q for capex, and the Dallas Fed Energy Survey for sentiment ahead of those filings. Reapply that framework and those sources whenever you need an up-to-date read on the value chain rather than relying on a fixed snapshot.

Explore how your operations can benefit from satellite intelligence and transparent planning at Farmonaut’s Satellite-Based Mineral Detection.

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