Norstar Petroleum
Operator of record for 230 catalogued wells across 2 states. Every well below links to its full registry page.
Filed as: NORSTAR PETROLEUM INC · Norstar Petroleum, Inc.
At a glance
Norstar Petroleum is the operator of record for 230 catalogued U.S. oil & gas wells in 2 states. 38 (17%) are active, 177 (77%) plugged & abandoned. Its largest concentration is in Kansas, with 227 wells (99% of its portfolio).
Wells operated
230
Active
38
Plugged
177
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kansas | 227 |
| Colorado | 3 |
Well mix
- Oil wells
- 117
- Gas wells
- 5
- Shut-in
- 11
- Active share
- 17%
Is this your company?
Claim Norstar Petroleum to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Norstar Petroleum operate?
Norstar Petroleum's catalogued wells are spread across 2 states: Kansas (227) and Colorado (3). Its 227 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 Norstar Petroleum’s wells are active, plugged or orphaned?
17% of Norstar Petroleum's catalogued wells are active, 12 percentage points below the national share of 29%. 77% are plugged & abandoned, against 47% nationally. 11 wells (5%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Norstar Petroleum operate?
By product class, 117 (51%) are oil wells and 5 (2%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is 2-22 Harvey in Adams, CO at 7,730 ft. The wells listed below sit in Adams (CO), Meade (KS) and Clark (KS). State filings spell the name 2 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.
Notable wells operated by Norstar Petroleum
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| 2-22 Harvey | 05-001-09481 | Plugged & abandoned | Other type | Adams, CO | Norstar Petroleum Inc | 7,730 ft |
| Mohler Unit (Hissom 3-30) 10 | 15-119-20805 | Plugged & abandoned | Oil | Meade, KS | Norstar Petroleum, Inc. | 6,400 ft |
| Mohler Unit 5 | 15-119-20387 | Plugged & abandoned | Injection | Meade, KS | Norstar Petroleum, Inc. | 6,300 ft |
| Martin Eckhoff 1 | 15-119-20427 | Plugged & abandoned | Oil | Meade, KS | Norstar Petroleum, Inc. | 5,838 ft |
| Mohler Unit 15 | 15-119-20653 | Plugged & abandoned | Injection | Meade, KS | Norstar Petroleum, Inc. | 5,800 ft |
| Otto J. Feldman 3 | 15-119-20408 | Plugged & abandoned | Oil | Meade, KS | Norstar Petroleum, Inc. | 5,773 ft |
| Otto J. Feldman 4 | 15-119-20425 | Plugged & abandoned | Oil | Meade, KS | Norstar Petroleum, Inc. | 5,772 ft |
| Mohler Unit 1 | 15-119-10150 | Plugged & abandoned | Other type | Meade, KS | Norstar Petroleum, Inc. | 5,726 ft |
| Mohler Unit 6 | 15-119-20332 | Plugged & abandoned | Injection | Meade, KS | Norstar Petroleum, Inc. | 5,725 ft |
| Mohler Unit 1 | 15-119-10145 | Plugged & abandoned | Injection | Meade, KS | Norstar Petroleum, Inc. | 5,721 ft |
| Mohler Unit 2-Wiw | 15-119-10149 | Plugged & abandoned | Injection | Meade, KS | Norstar Petroleum, Inc. | 5,720 ft |
| Harper 1-13 | 15-025-20591 | Plugged & abandoned | Gas | Clark, KS | Norstar Petroleum, Inc. | 5,600 ft |
Deepest first where depth is published. See all 230 wells →
Frequently asked questions
How many wells does Norstar Petroleum operate?
Norstar Petroleum is the operator of record for 230 catalogued oil & gas wells, with the largest concentration in Kansas (227). Only wells in states WellCensus has ingested are counted.
How many of Norstar Petroleum's wells are still active?
38 of Norstar Petroleum's catalogued wells are active; 177 are plugged & abandoned.
In which states does Norstar Petroleum operate wells?
Norstar Petroleum is the operator of record for wells in Kansas (227) and Colorado (3).
Does Norstar Petroleum operate mostly oil or gas wells?
117 of Norstar Petroleum's catalogued wells are oil wells and 5 are gas wells; the rest are injection, service or unclassified wells.
What is Norstar Petroleum's deepest well?
Among wells with a published depth, 2-22 Harvey in Adams, CO is the deepest at 7,730 ft.
Where Norstar Petroleum'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, “Norstar Petroleum — well portfolio”, https://wellcensus.com/operators/norstar-petroleum-15679 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).