Zu
Operator of record for 37 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Zu is the operator of record for 37 catalogued U.S. oil & gas wells in 1 state. 19 (51%) are active, 14 (38%) plugged & abandoned. Its largest concentration is in Kansas, with 37 wells (100% of its portfolio).
Wells operated
37
Active
19
Plugged
14
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kansas | 37 |
Well mix
- Oil wells
- 27
- Gas wells
- 0
- Shut-in
- 4
- Active share
- 51%
Is this your company?
Claim Zu to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Zu operate?
Zu's catalogued wells are spread across 1 state: Kansas (37). Its 37 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 Zu’s wells are active, plugged or orphaned?
51% of Zu's catalogued wells are active, 22 percentage points above the national share of 29%. 38% are plugged & abandoned, against 47% nationally. 4 wells (11%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Zu operate?
By product class, 27 (73%) are oil wells and 0 (0%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Zenith Unit 1 in Stafford, KS at 4,400 ft.
Notable wells operated by Zu
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Zenith Unit 1 | 15-185-22617 | Active | Injection | Stafford, KS | Zu, LLC | 4,400 ft |
| Zenith Waterflood Unit ZU-14 | 15-185-21945 | Plugged & abandoned | Oil | Stafford, KS | Zu, LLC | 4,017 ft |
| Zenith Waterflood Unit 17 | 15-185-21962 | Plugged & abandoned | Oil | Stafford, KS | Zu, LLC | 3,925 ft |
| Zenith Waterflood Unit 18 | 15-185-21977 | Active | Oil | Stafford, KS | Zu, LLC | 3,920 ft |
| Zenith Unit 40 | 15-185-23057 | Active | Oil | Stafford, KS | Zu, LLC | 3,900 ft |
| Zenith Waterflood Unit 31 | 15-185-22336 | Plugged & abandoned | Oil | Stafford, KS | Zu, LLC | 3,900 ft |
| Zenith Waterflood Unit 15 | 15-185-21952 | Active | Oil | Stafford, KS | Zu, LLC | 3,900 ft |
| Zenith Unit 41 | 15-185-23058 | Plugged & abandoned | Oil | Stafford, KS | Zu, LLC | 3,890 ft |
| Zenith Unit 44 | 15-185-23061 | Active | Oil | Stafford, KS | Zu, LLC | 3,890 ft |
| Stewart 1-S | 15-185-21960 | Active | Oil | Stafford, KS | Zu, LLC | 3,870 ft |
| Zenith Waterflood Unit 2 | 15-185-19015 | Active | Injection | Stafford, KS | Zu, LLC | 3,860 ft |
| Zenith Water Flood 29-W | 15-185-22233 | Plugged & abandoned | Injection | Stafford, KS | Zu, LLC | 3,855 ft |
Deepest first where depth is published. See all 37 wells →
Frequently asked questions
How many wells does Zu operate?
Zu is the operator of record for 37 catalogued oil & gas wells, with the largest concentration in Kansas (37). Only wells in states WellCensus has ingested are counted.
How many of Zu's wells are still active?
19 of Zu's catalogued wells are active; 14 are plugged & abandoned.
In which states does Zu operate wells?
Zu is the operator of record for wells in Kansas (37).
Does Zu operate mostly oil or gas wells?
27 of Zu's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.
What is Zu's deepest well?
Among wells with a published depth, Zenith Unit 1 in Stafford, KS is the deepest at 4,400 ft.
Where Zu'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, “Zu — well portfolio”, https://wellcensus.com/operators/zu-80104 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).