Then & Now: Global oil supply transformation

In this Then & Now episode of the Oil & Gas Journal ReEnterprised podcast, Statistics Editor Laura Bell-Hammer highlights three decades of oil and gas production and the changes made through advances in technology and data.
Nov. 25, 2025

In this Then & Now episode of the Oil & Gas Journal ReEnterprised podcast, Statistics Editor Laura Bell-Hammer takes listeners on a journey through three decades of oil-market transformation.

Bell-Hammer looks back at the mid-1990s, when US production was believed to be in irreversible decline, fast-forwarding to today’s record production highs powered by shale technology, deepwater advances, and new global producers.

From the Permian basin to Brazil’s presalt and Guyana’s meteoric rise, this episode reveals how technology reshaped the world’s supply map.

OGJ Worldwide Report

In this episode of the Oil & Gas Journal ReEnterprised podcast, Bell-Hammer notes OGJ's annual Worldwide Report, a compilation of field-by-field oil production and country-by-country oil and gas reserves accessible to paid subscribers.

The most recent report will be published in December. In the meantime, archived Worldwide Reports can be found as part of OGJ's Surveys page.  

 

About the Author

Laura Bell-Hammer

Statistics Editor

Laura Bell-Hammer has been the Statistics Editor for the Oil & Gas Journal since 1994. She was the Survey Editor for two years prior to her current position with OGJ. While working with OGJ, she also was a contributing editor for Oil & Gas Financial Journal. Before joining OGJ, she worked for Vintage Petroleum in Tulsa, gaining her oil and gas industry knowledge.

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