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UNION OIL CO OF CALIFORNIA Wells and Activity Summary

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Total wells

234
UNION OIL CO OF CALIFORNIA

Most recent drilling

Nov 1993
~32 years ago

First on record

1901
records span 93 years

Activity status

Historic
no recent drilling
News & deals Coverage map Recent wells Counties Fields

Industry news recent coverage mentioning UNION OIL CO OF CALIFORNIA

  • Why $90 Oil Isn’t Bringing Back the Rigs
    Apr 16, 2026
    Higher oil prices are not translating cleanly into a drilling response across U.S. shale, and company disclosures are starting to show why. The issue is not simply capital discipline. It is structural. A meaningful… Read full article on ShaleExperts →
  • These Three Companies Will Increase Drilling & Completion Over The Next 3 Year
    Apr 15, 2026
    In the span of fifteen months, three Japanese energy companies committed more than $10.3 billion to U.S. natural gas production assets — a buying spree that has transferred roughly 27% of Haynesville Shale output… Read full article on ShaleExperts →
  • Q1 A&D Transactions Jump to $30B , While Deal Flow Was Down 40%
    Apr 15, 2026
    The first quarter of 2026 has officially defined the "Barbell Era" of American oil and gas. While the total number of deals plummeted by 46% YoY (dropping to just 7 major transactions), the total deal value skyrocketed… Read full article on ShaleExperts →
  • Western Canada Upstream M&A: Q1 2026 Transaction Report
    Apr 11, 2026
    Western Canadian M&A activity in Q1 2026 was characterized by a 87% decrease in total deal value compared to Q1 2025, totaling $0.8 billion C$ . However, transaction volume remained resilient with a 150% increase in… Read full article on ShaleExperts →
  • Wright to U.S. Oil Industry: The Price Signal Is Telling You to Drill
    Mar 23, 2026
    Energy Secretary Chris Wright stood in front of the largest gathering of oil executives in the world this morning and delivered a message that was equal parts market economics and wartime urgency: the price spike is… Read full article on ShaleExperts →

UNION OIL CO OF CALIFORNIA has 234 wells on file in Wyoming.

Active in 10 counties — concentrated in Campbell, Sweetwater, and Fremont.

Most recent well: 63-E3 in the FIVE MILE field (Washakie county) — last updated March 2026.

UNION OIL CO OF CALIFORNIA county coverage

Counties where UNION OIL CO OF CALIFORNIA has wells. Click any county for its local activity.

Lincoln CountyFremont — 26 wellsUinta CountyBig Horn — 15 wellsHot Springs — 8 wellsWashakie — 8 wellsConverse CountySweetwater — 35 wellsCrook CountyCarbon — 8 wellsCampbell — 60 wellsNatrona — 19 wellsLaramie CountyPlatte CountyWeston — 11 wellsAlbany CountyPark CountyJohnson CountySheridan CountyNiobrara — 11 wellsTeton CountySublette CountyGoshen County
< 88+11+19+35+

Recent wells

Well Name County Last activity Updates API
63-E3 Washakie 2026-03-18 4320693
1-8 Sweetwater 2026-03-18 3707136
CASPER CREEK SOUTH #19 Natrona 2026-03-18 2510104
CASPER CREEK SOUTH #5 Natrona 2026-03-18 2510103
1-010 Campbell 2026-03-18 529229
1-D6 Campbell 2026-03-18 530156
18-D14 Campbell 2026-03-18 529787
KITTY #2 Campbell 2026-03-18 520200
61-H33 Big Horn 2026-03-18 320851
63-E28 Big Horn 2026-03-18 320883

Counties Worked by total wells in Wyoming

Campbell60Sweetwater35Fremont26Natrona19Big Horn15Weston11Niobrara11Carbon8Hot Springs8Washakie8

Counties: Campbell, Sweetwater, Fremont, Natrona, Big Horn, Weston, Niobrara, Carbon, Hot Springs, Washakie.

Top Oil & Gas Fields worked by UNION OIL CO OF CALIFORNIA by total wells

WC89HILIGHT25CASPER CREEK SOUTH9DALLAS7FIVE MILE6FIDDLER CREEK5LANCE CREEK5DESERT SPRINGS WEST5DUTTON CREEK4KITTY4

Fields: Wc, Hilight, Casper Creek South, Dallas, Five Mile, Fiddler Creek, Lance Creek, Desert Springs West, Dutton Creek, Kitty.

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