🛠️ Invention or technique

Big Inch pipeline

Oleoducto Big Inch

Date
1943 · confidence high
Place
Longview, Texas, United States
Credited to
US government (War Emergency Pipelines)
Field
Matter & energy

What it is

A 24-inch pipeline of about 2,000 km from Texas to Pennsylvania built within a year to supply the East with crude during the submarine war. It was the longest crude pipeline until then.

It was converted to natural gas in 1947.

What it led to

  • pipeline transport as an alternative to tanker and rail
  • postwar gas pipelines
  • national natural gas grids
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Sources✓ verified 2026-11-04