Definition of "bbl"

Abbreviation of barrel, as:

1. (especially in the 20th and 21st centuries, most often) Volumes of crude oil pumped, stored, or sold (in bulk).  quotations  examples

   Quotations

   • At present prices, cylindrical steel tankage in 55,000-bbl. units costs approximately 73c. per barrel storage.

     1920 May 8, H. T. Carlton, “New design for oil tankage”, in Engineering and Mining Journal‎, volume 109, number 19, retrieved 2023-03-05, page 1079

2. (especially in previous centuries) Numbers of barrels (casks) transported or sold, or the volume that they represent.  quotations  examples

   Quotations

   • […]5 hhds. rum/ 5 bbls. flour/ 1 bbl. sugar/ 9 do. pork/ 1 do. suett/ 3 do. cocoa/ 6 do. peas/ 2 ullage bbls. vinegar[…]

     1815 Niles Weekly Register volume 8, Supplement, p. 152. From an inventory of the frigate Confiance

   • 4 bbl. vinegar $32.00, 3 bbl. cider part full $6.50

     1881, Ulster County, New York, County Legislature, Minutes of the Board of Supervisors of Ulster County‎, page 234

3. (internal combustion engines) Numbers of venturis in carburetion.  examples

(Internet) Alternative form of BBL  examples