Skip to content
WellCensus

Placid Oil

Operator of record for 1,409 catalogued wells across 9 states. Every well below links to its full registry page.

Filed as: PLACID OIL CO · PLACID OIL CO. · PLACID OIL COMPANY · Placid Oil Co · …

At a glance

Placid Oil is the operator of record for 1,409 catalogued U.S. oil & gas wells in 9 states. None is listed as active, 1,301 (92%) are plugged & abandoned. Its largest concentration is in Louisiana, with 1,096 wells (78% of its portfolio).

Wells operated

1,409

Active

0

Plugged

1,301

Orphaned

0

Portfolio by state

StateWells
Louisiana1,096
Mississippi87
Montana87
Alabama43
Arkansas42
North Dakota22
Utah18
Wyoming9
Colorado5

Well mix

Oil wells
341
Gas wells
64
Shut-in
0
Active share
0%

Is this your company?

Claim Placid Oil to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.

Claim your operator profile

Where does Placid Oil operate?

Placid Oil's catalogued wells are spread across 9 states: Louisiana (1,096), Mississippi (87), Montana (87), Alabama (43) and Arkansas (42) and 4 more. Its 1,096 Louisiana wells are 0.5% of the 225,728 catalogued in that state — its largest share of any state. Counts cover only states whose registries WellCensus has ingested with operator names; wells in Nebraska and Texas (location indexes) and in states without a registry ingest are not yet attributed to any operator.

How many of Placid Oil’s wells are active, plugged or orphaned?

0% of Placid Oil's catalogued wells are active, 29 percentage points below the national share of 29%. 92% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does Placid Oil operate?

By product class, 341 (24%) are oil wells and 64 (5%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Sl 5407 001 in St Bernard, LA at 25,600 ft. The wells listed below sit in St Bernard (LA), Hinds (MS), Terrebonne (LA), Washington (AL), Iberia (LA) and St Mary (LA). State filings spell the name 6 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.

Notable wells operated by Placid Oil

Wells operated by Placid Oil
WellAPI # / state IDStatusTypeLocationOperatorDepth
Sl 5407 00117-087-20062Plugged & abandonedOther typeSt Bernard, LAPlacid Oil Company25,600 ft
Owen 25-8 1 123-049-20032Plugged & abandonedOther typeHinds, MSPlacid Oil Co25,460 ft
Sl 2857 00817-715-00914Plugged & abandonedOilTerrebonne, LAPlacid Oil Company22,510 ft
Sl 2857 01517-109-20853Plugged & abandonedOther typeTerrebonne, LAPlacid Oil Company20,822 ft
Sl 7201 00117-727-20116Plugged & abandonedOther typeSt Bernard, LAPlacid Oil Company20,448 ft
Ijams #19-201-129-20051Plugged & abandonedOther typeWashington, ALPlacid Oil Co.20,060 ft
Sl 5619 00117-045-20187Plugged & abandonedOther typeIberia, LAPlacid Oil Company20,000 ft
Db-5 Sua, Shadyside, Ltd B-117-101-02161Plugged & abandonedGasSt Mary, LAPlacid Oil Company19,819 ft
Mcclure 5-12 #101-129-20012Plugged & abandonedOther typeWashington, ALPlacid Oil Co.18,993 ft
Db-2 Rb Su C; Shadyside 00617-101-01956Plugged & abandonedGasSt Mary, LAPlacid Oil Company18,940 ft
Ll&e /H/ 00117-109-20909Plugged & abandonedOther typeTerrebonne, LAPlacid Oil Company18,830 ft
Prentice Oil And Gas Company 00117-109-21919Plugged & abandonedOther typeTerrebonne, LAPlacid Oil Company18,687 ft

Deepest first where depth is published. See all 1,409 wells →

Frequently asked questions

How many wells does Placid Oil operate?

Placid Oil is the operator of record for 1,409 catalogued oil & gas wells, with the largest concentration in Louisiana (1,096). Only wells in states WellCensus has ingested are counted.

How many of Placid Oil's wells are still active?

0 of Placid Oil's catalogued wells are active; 1,301 are plugged & abandoned.

In which states does Placid Oil operate wells?

Placid Oil is the operator of record for wells in Louisiana (1,096), Mississippi (87), Montana (87), Alabama (43), Arkansas (42), North Dakota (22), Utah (18), Wyoming (9) and Colorado (5).

Does Placid Oil operate mostly oil or gas wells?

341 of Placid Oil's catalogued wells are oil wells and 64 are gas wells; the rest are injection, service or unclassified wells.

What is Placid Oil's deepest well?

Among wells with a published depth, Sl 5407 001 in St Bernard, LA is the deepest at 25,600 ft.

Where Placid Oil's wells are

About this data

Source: State oil & gas regulator registries (operator of record as filed, exact-normalized across states) plus the USGS United States Documented Orphaned Well Database (2026), as published October 10, 2026 — WellCensus refreshes it monthly. See the methodology for how records are matched, cleaned and scored.

Cite as: WellCensus, “Placid Oil — well portfolio”, https://wellcensus.com/operators/placid-oil-2414 (data as of October 10, 2026).

Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).