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WellCensus

Ocs

Operator of record for 11 catalogued wells across 1 state. Every well below links to its full registry page.

At a glance

Ocs is the operator of record for 11 catalogued U.S. oil & gas wells in 1 state. None is listed as active, 11 (100%) are plugged & abandoned. Its largest concentration is in Kansas, with 11 wells (100% of its portfolio).

Wells operated

11

Active

0

Plugged

11

Orphaned

0

Portfolio by state

StateWells
Kansas11

Well mix

Oil wells
7
Gas wells
1
Shut-in
0
Active share
0%

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Where does Ocs operate?

Ocs's catalogued wells are spread across 1 state: Kansas (11). Its 11 Kansas wells are 0.0% of the 473,140 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 Ocs’s wells are active, plugged or orphaned?

0% of Ocs's catalogued wells are active, 29 percentage points below the national share of 29%. 100% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does Ocs operate?

By product class, 7 (64%) are oil wells and 1 (9%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Gerhardt 'A' 1 in Stafford, KS at 3,820 ft. The wells listed below sit in Stafford (KS), Reno (KS), Rice (KS) and Harvey (KS).

Notable wells operated by Ocs

Wells operated by Ocs
WellAPI # / state IDStatusTypeLocationOperatorDepth
Gerhardt 'A' 115-185-20282Plugged & abandonedOilStafford, KSO.C.S., Inc.3,820 ft
Gregg 215-155-20777Plugged & abandonedOilReno, KSO.C.S., Inc.3,670 ft
Gregg 115-155-00224Plugged & abandonedOilReno, KSO.C.S., Inc.3,656 ft
Walsten 1-1115-159-22106Plugged & abandonedOilRice, KSO.C.S., Inc.3,444 ft
Blair 115-155-19154Plugged & abandonedOilReno, KSO.C.S., Inc.3,400 ft
Proffitt 115-155-20775Plugged & abandonedOilReno, KSO.C.S., Inc.3,400 ft
Schuyler 115-159-60003Plugged & abandonedOilRice, KSO.C.S., Inc.3,395 ft
Sankey 115-159-21622Plugged & abandonedGasRice, KSO.C.S., Inc.3,375 ft
Cunningham A W-415-079-19093Plugged & abandonedInjectionHarvey, KSO.C.S., Inc.3,370 ft
Krehbiel W-715-079-30082Plugged & abandonedInjectionHarvey, KSO.C.S., Inc.3,358 ft
J. J. Krehbiel W-315-079-00268Plugged & abandonedInjectionHarvey, KSO.C.S., Inc.3,354 ft

Deepest first where depth is published. See all 11 wells →

Frequently asked questions

How many wells does Ocs operate?

Ocs is the operator of record for 11 catalogued oil & gas wells, with the largest concentration in Kansas (11). Only wells in states WellCensus has ingested are counted.

How many of Ocs's wells are still active?

0 of Ocs's catalogued wells are active; 11 are plugged & abandoned.

In which states does Ocs operate wells?

Ocs is the operator of record for wells in Kansas (11).

Does Ocs operate mostly oil or gas wells?

7 of Ocs's catalogued wells are oil wells and 1 are gas wells; the rest are injection, service or unclassified wells.

What is Ocs's deepest well?

Among wells with a published depth, Gerhardt 'A' 1 in Stafford, KS is the deepest at 3,820 ft.

Where Ocs'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, “Ocs — well portfolio”, https://wellcensus.com/operators/ocs-85945 (data as of October 10, 2026).

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