Sproule Associates Limited (Sproule) is an independent energy consulting firm that provides subsurface, engineering, and economic evaluation services to operators, investors, and governments worldwide. The company conducts independent reserves and resources assessments and certification aligned with international reporting standards such as PRMS, NI 51-101, and SEC requirements.
Sproule’s work spans geoscience and reservoir engineering, reserves audits, field development planning, asset valuations, due diligence for transactions and financing, market analysis, and training. In addition to conventional hydrocarbons, the firm supports energy-transition and subsurface resource projects, including studies related to geothermal, carbon capture and storage, and brine-hosted critical minerals such as lithium. Its evaluations and technical reports are used in corporate disclosures, investment decisions, and regulatory filings.
