2026 Petroleum History Symposium

From Oil Gushers to Energy Diversification -
California’s Petroleum Hub and Country Music Capital

Bakersfield, CA

April 16 - 18, 2026

HEADQUARTERS HOTEL – Double Tree by Hilton, Bakersfield, California 93308; 1-661-323-7111 or (661) 632-2202 (fax).Rate is $132.00 plus fees/taxes per night (no matter if single occupancy or double occupancy. Shuttle services are available from the Bakersfield Airport. For Group Rate Mention “Petroleum History Institute” - Group nightly rates good until April 2, 2026. Contact the hotel directly for reservations and mention the Petroleum History Institute meeting.


Emergency Contacts Throughout Symposium:

Stephen Testa (Symposium Co-Chair); Cell (209) 402-6574

Vaughn Thompson (Symposium Co-Chair); Cell (805) 794-0070

Symposium Schedule

Thursday, April 16, 2026

4:00-6:00

Registration at the HQ Hotel; pick up materials and chat.

6:00-8:00

Icebreaker Reception at the HQ Hotel; cash bar. 
Silent Auction opens.


Friday, April 17, 2026

6:00-8:00

Breakfast on your own (café on site)

7:45

Welcome and introductions.

8:00

SYMPOSIUM PRESSENTATIONS begin throughout morning and afternoon; beverages and munchies offered during breaks.

12:00-1:30

Lunch on your own.

5:30

Symposium presentations conclude; final remarks by host.

6:30-9:00

Awards Dinner; HQ Hotel; Dinner served @ 7:00 p.m. Silent Auction ends near close of dinner.


Saturday, April 18, 2026

6:00-8:00

Breakfast on your own (café on site)

8:00

Gather in hotel lobby for field trip.

8:15

Board charter bus.

8:30

Bus departs for field trip.

Lunch

Box lunch at West Kern Oil Museum at Taft.

~5:00

Bus returns to HQ Hotel.

~6:00

Informal Farewell Dinner Gathering; site to be announced.

Poster Presentations are available throughout the symposium:

PROSPECTING HISTORY:  PATTILLO HIGGINS AND THE CHALLENGE OF PRIMARY SOURCES IN PETROLEUM HISTORY - Christian Kelleher

CALIFORNIA PETROLEUM-RELATED PHILATELIC ITEMS - Jeff Spencer

HAROLD SULLWOLD: CA PETROLEUM GEOLOGIST AND CARTOONIST – Stephen Testa


ORDER OF ORAL PRESENTATIONS

7:45-8:00

WELCOME AND INTRODUCTION

8:00-8:30

INTRODUCTION TO THE SAN JOAQUIN BASIN - S. A. Reid

8:30-9:00

THREE-DIMENSIONAL RECONSTRUCTION OF NAMSON AND DAVIS’ BALANCED CROSS SECTIONS:  A REGIONAL STRUCTURAL MODEL OF SOUTHERN CALIFORNIA – Yannick Wirtz

9:00-9:30

THE OIL MEN OF THE CALIFORNIA STATE MINING BUREAU (1880-1929) - Stephen M. Testa

9:30-10:00

THE EXPLORATION AND DEVELOPMENT HISTORY OF THE MONTEBELLO OIL FIELD:  TRIUMPHS, TRIBULATIONS, AND CHALLENGES IN A SUBURBAN-URBAN SETTING - Daniel C. Steward

10:00-10:15

Morning Break

10:15-10:45

PIPELINES, TANK FARMS AND OIL TANKERS:  UNION OIL’S EARLY DEVELOPMENT OF PETROLEUM TRANSPORTATION TO THE CALIFORNIA COAST - Paul W. Rood

10:45-11:15

PRESBYTERIAN PETROLEUM IN SOUTHERN CALIFORNIA - Gregg Wilkerson

11:15-11:45

FREDERICK RUSSELL BURNHAM:  ADVENTURER, SCOUT, EXPLORER, CONSERVATIONIST AND CALIFORNIA OILMAN - Vaughn G. Thompson

11:45-1:00

Lunch

1:00-1:30

HOLLYWOOD STARS AND THE OIL PATCH - Matthew R. Silverman

1:30-2:00

GEOTHERMAL INNOVATION AND DEVELOPMENT:  A LEVERAGE OF HISTORICAL PETROLEUM INDUSTRY CAPABILITIES AND VISION IN CALIFORNIA - Rog Hardy

2:00-2:30

AMERICA’S OIL HISTORIAN:  THE LIFE AND WORK OF PAUL GIDDENS - Rasoul Sorkhabi

2:30-3:00

THE CHALLENGES OF AN OIL HISTORIAN IN THE 21st CENTURY - Jeff Spencer

3:00-3:15

Afternoon Break

3:15-3:45

GREAT POTENTIAL, MIXED RESULTS: THE JOHN GRAY INSTITUTE AT LAMAR UNIVERSITY - Penny L. Clark

3:45-4:15

ERNEST O. ESTWING AND HIS FAMOUS GEOLOGY PICKS, FIRST DESIGNED AND MANUFACTURED IN 1934 - Stephen Mulqueen

4:15-4:30

FINAL REMARKS AND FIELDTRIP REVIEW