Bitter Spar
Operator of record for 32 catalogued wells across 1 state. Every well below links to its full registry page.
At a glance
Bitter Spar is the operator of record for 32 catalogued U.S. oil & gas wells in 1 state. 7 (22%) are active, 21 (66%) plugged & abandoned. Its largest concentration is in Kansas, with 32 wells (100% of its portfolio).
Wells operated
32
Active
7
Plugged
21
Orphaned
0
Portfolio by state
| State | Wells |
|---|---|
| Kansas | 32 |
Well mix
- Oil wells
- 8
- Gas wells
- 5
- Shut-in
- 0
- Active share
- 22%
Is this your company?
Claim Bitter Spar to keep this portfolio accurate — verified operators can correct well statuses and add plugging documentation.
Claim your operator profileWhere does Bitter Spar operate?
Bitter Spar's catalogued wells are spread across 1 state: Kansas (32). Its 32 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 Bitter Spar’s wells are active, plugged or orphaned?
22% of Bitter Spar's catalogued wells are active, 7 percentage points below the national share of 29%. 66% are plugged & abandoned, against 47% nationally. None of the wells filed under this name is flagged as orphaned.
What kinds of wells does Bitter Spar operate?
By product class, 8 (25%) are oil wells and 5 (16%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Giles Ranch 24-1 in Clark, KS at 6,400 ft. The wells listed below sit in Clark (KS), Meade (KS), Seward (KS), Grant (KS) and Haskell (KS).
Notable wells operated by Bitter Spar
| Well | API # / state ID | Status | Type | Location | Operator | Depth |
|---|---|---|---|---|---|---|
| Giles Ranch 24-1 | 15-025-21589 | Plugged & abandoned | Other type | Clark, KS | Bitter Spar LLC | 6,400 ft |
| Merkle 1 | 15-119-20012 | Plugged & abandoned | Gas | Meade, KS | Bitter Spar LLC | 6,317 ft |
| Davis 1-6 | 15-119-20815 | Plugged & abandoned | Gas | Meade, KS | Bitter Spar LLC | 6,087 ft |
| KU Endowment 1-33 | 15-175-21329 | Plugged & abandoned | Other type | Seward, KS | Bitter Spar LLC | 6,005 ft |
| Dreitz Resources Corp. 4-1 | 15-175-21117 | Plugged & abandoned | Oil | Seward, KS | Bitter Spar LLC | 5,952 ft |
| Jantz 28-1 | 15-067-21234 | Plugged & abandoned | Other type | Grant, KS | Bitter Spar LLC | 5,831 ft |
| Simpson 'A' 1-4 | 15-175-21555 | Plugged & abandoned | Other type | Seward, KS | Bitter Spar LLC | 5,730 ft |
| Rader 17-1 | 15-081-20849 | Plugged & abandoned | Other type | Haskell, KS | Bitter Spar LLC | 5,660 ft |
| Bergner North 17-1 | 15-081-20757 | Other status | Other type | Haskell, KS | Bitter Spar LLC | 5,600 ft |
| Ellsaesser 14-1 | 15-081-20482 | Plugged & abandoned | Other type | Haskell, KS | Bitter Spar LLC | 5,600 ft |
| Giles 1-14 | 15-025-20799 | Active | Oil | Clark, KS | Bitter Spar LLC | 5,350 ft |
| Giles 1-11 | 15-025-20819 | Active | Oil | Clark, KS | Bitter Spar LLC | 5,330 ft |
Deepest first where depth is published. See all 32 wells →
Frequently asked questions
How many wells does Bitter Spar operate?
Bitter Spar is the operator of record for 32 catalogued oil & gas wells, with the largest concentration in Kansas (32). Only wells in states WellCensus has ingested are counted.
How many of Bitter Spar's wells are still active?
7 of Bitter Spar's catalogued wells are active; 21 are plugged & abandoned.
In which states does Bitter Spar operate wells?
Bitter Spar is the operator of record for wells in Kansas (32).
Does Bitter Spar operate mostly oil or gas wells?
8 of Bitter Spar's catalogued wells are oil wells and 5 are gas wells; the rest are injection, service or unclassified wells.
What is Bitter Spar's deepest well?
Among wells with a published depth, Giles Ranch 24-1 in Clark, KS is the deepest at 6,400 ft.
Where Bitter Spar'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, “Bitter Spar — well portfolio”, https://wellcensus.com/operators/bitter-spar-77715 (data as of October 10, 2026).
Dataset updated . Operator portfolios are resolved from raw state registry filings (exact-normalized names; subsidiaries stay separate).