Supply Explorer
Lube refinery

San Joaquin Refining Co., Inc.

San Joaquin Refining Co., Inc. · Independent / privately held (no parent company identified in sources reviewed) · Bakersfield, CA

Operating PADD5 lube base oils asphalt naphthenic oils
Aerial view of the site Imagery: USDA, USGS The National Map (public domain)
bpd crude capacity · EIA 2026
15,000
pipelines it injects into
0
delivery points reachable
0
terminals on those points
0
events on record
2

Capability

Crude distillation 15,000 bpd operable, 15,000 operating (EIA-820, as of 2026-01-01). Downstream units below, barrels per calendar day.

Conversion — makes gasoline and diesel from heavier oil

Visbreaking 5,000 sd

Upgrading

Vacuum distillation 14,300 sd

Treating — meets sulfur specs

Hydrotreating — heavy gas oil 1,800 sd
Hydrotreating — other distillate 3,600 sd

Production capacity

Aromatics · 1,500 Asphalt road oil · 8,000 Hydrogen mmcfd · 4 Lubricants · 5,800 Sulfur short tons day · 6

Crude slate

San Joaquin Valley Heavy Naphthenic crude oil exclusively (a distinct heavy, naphthenic-base crude found in Kern County), not a general fuels-refinery slate.

Crude in & products out

From refinery research; each row links its source.
DirectionModeRoutePoint / originProductsSource
crude in pipeline Local/unnamed San Joaquin Valley crude gathering lines
SJR exclusively processes San Joaquin Valley heavy naphthenic crude oil sourced from Kern County fields. No named trunk crude pipeline (e.g. a major interstate system) was identified -- supply is most likely via local field gathering lines given the refinery's small scale and specialty heavy-naphthenic feedstock. Not confirmed as pipeline vs. truck in sources reviewed.
Kern County oil fields (San Joaquin Valley) crude source
products out marine Port of Los Angeles (transshipment)
Company states its distribution network 'ships products both nationally and worldwide ... through the Port of Los Angeles.' The inland transport mode to the port (rail vs. truck) was not specified in sources reviewed.
lubricants asphalt source
products out truck rack San Joaquin Refining truck rack (Bakersfield)
Inferred typical for a Bakersfield specialty refinery selling regionally (asphalt/paving, road-oil customers); not separately documented in sources reviewed.
asphalt lubricants fuels inferred

Pipeline reach

No tariff origin point is linked to this refinery yet.

Substitutes

No other refinery shares a tariff system with this one in our data.

Events

Outages, fires, turnarounds, sales and closures — newest first.
  1. 2023-11 turnaround

    Base-oil refinery maintenance reported. source

  2. 2023-01 turnaround

    New vacuum distillation tower installed, with an associated ~4-week outage. source

Rates are pipeline line-haul transcribed from published FERC tariffs; every figure cites its tariff and item. Cost to serve (netback) adds origin spot price and destination fees. "Confirmed" links match a tariff delivery point to the facility; "same city" means the point is in the facility's city — plausible, not proof; "per research" means the facility's research profile names the pipeline as an outlet.