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Company

Operator

Tesoro Corporation

Acquired in September 2013 by Par Petroleum Corporation. The snapshot below reflects historical activity.

NYSE

About

Downstream

  • WebsiteVisit →
  • TickerNYSE
  • AddressSan Antonio
  • Phone210 626 6000
  • Acquired byPar Petroleum Corporation

Acquisition chain

Forward & backward M&A lineage

  1. Coterra Energy Feb 2026 View deal →
  2. Devon Energy Corp Aug 2018 View deal →
  3. Carrizo Oil & Gas Inc. Dec 2017 View deal →
  4. EP Energy Corp May 2017 View deal →
  5. Tesoro Corporation (this company)
  6. Par Petroleum Corporation Sep 2013 View deal →

See full transactions & chain →

Drilling activity

No activity recorded

No active rigs

Operations transferred to Par Petroleum Corporation. Live rig records sit under the successor.

View Par Petroleum Corporation →See the transactionView historical activity

Recent activity

No recent coverage on file

Newer coverage typically lives under Par Petroleum Corporation.

View Par Petroleum Corporation →See the transactionView historical activity

Deals

No deal records

Operations transferred to Par Petroleum Corporation. Recent deals sit under the successor.

View Par Petroleum Corporation →See the transactionView historical activity

Permits

No active permits

Operations transferred to Par Petroleum Corporation. Live permits sit under the successor.

View Par Petroleum Corporation →See the transactionView historical activity

Assets

No asset records

Operations transferred to Par Petroleum Corporation. Live acreage and lease records sit under the successor.

View Par Petroleum Corporation →See the transactionView historical activity

Regions of activity

No regional activity indexed yet

When Par Petroleum Corporation files permits or discloses acreage tied to this entity, the regions show up here.

View Par Petroleum Corporation →See the transactionView historical activity