Chevron in Vaca Muerta: Frac Sand Sourcing and Proppant Demand
Chevron is among the most committed international operators in Vaca Muerta. It holds a 50% non-operated interest in the Loma Campana shale field, operated by YPF, and operates the El Trapial block in northern Neuquén. The way operators of this scale qualify and contract frac sand is a useful reference point for the Argentine supply side in 2026. This page summarizes publicly available context, no signed contracts are implied.
Chevron's Vaca Muerta footprint
Chevron entered the Argentine unconventional play in 2013 through a landmark agreement with YPF to co-develop Loma Campana, today the largest shale development in Argentina at roughly 100,000 barrels of oil equivalent per day. Chevron holds a 50% non-operated interest there, with YPF as operator. Chevron separately operates the El Trapial block in northern Neuquén, where it has filed a large multi-year RIGI investment plan to scale development. Loma Campana sits in the productive oil window near Añelo. See the Chevron Argentina operations overview and the Vaca Muerta overview.
Proppant intensity on Loma Campana
Loma Campana, where Chevron holds its 50% non-operated interest, is developed with long-lateral horizontal wells and high-intensity completions, in the proppant-consumption category where per-well demand sits in the 150,000-250,000 ton range depending on stage count and lateral length. Operator global standards set mesh specification, certification requirements and QA/QC tolerances at or above API 19C minimums.
| Parameter | Typical range |
|---|---|
| Lateral length | 2,500-3,500 m |
| Stages per well | 40-60 |
| Sand per stage | 3,000-6,000 t |
| Total sand per well | 150,000-250,000 t |
| Primary mesh | 40/70, 100 mesh |
How operators evaluate regional suppliers
Tier 1 operators in Vaca Muerta evaluate regional sand sources in Río Negro and Mendoza against a consistent set of qualification gates. Pricing is typically diesel-indexed and structured under take-or-pay frameworks once a source is qualified. A regional source that loses certification continuity, for example when a plant is idled, has to re-qualify before contracting resumes. In-Basin Sand is positioned to enter this qualification process from a tested, last-mile location 35 km from the wellhead.
Supply chain diversification signals
International supermajors typically run multi-source proppant strategies even in well-served basins. For Vaca Muerta, operator evaluation criteria for any regional source include independent certification (SGS, Stim-Lab), sample chain-of-custody, regional logistics feasibility, and 12-24 month ramp credibility. Those criteria are broadly shared across operators including Chevron, YPF, Pan American, Vista and Tecpetrol. See YPF proppant sources.
What a regional supplier needs to demonstrate
- Current API 19C certification from an accepted independent laboratory.
- Reproducible mesh-by-mesh granulometry across extraction zones.
- Provincial permits and Environmental Impact Assessment.
- Plant capacity sustainable at contracted monthly tonnage.
- Reliable truck-corridor logistics independent of seasonal river conditions.
- Financial structure that absorbs take-or-pay risk over multi-year horizons.
Evaluating an investment in Argentine frac sand?
IN BASIN SAND is running a US$2.4M bridge across 3 milestone-gated tranches. Tranche A is open now: US$500K, 30% discount, US$15M cap, 10% p.a. Minimum ticket US$25,000. Public page:
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