Skip to content
WellCensus

Dreiling

Operator of record for 21 catalogued wells across 3 states. Every well below links to its full registry page.

Filed as: DREILING LTD · Dreiling Ltd.

At a glance

Dreiling is the operator of record for 21 catalogued U.S. oil & gas wells in 3 states. None is listed as active, 21 (100%) are plugged & abandoned. Its largest concentration is in Colorado, with 9 wells (43% of its portfolio).

Wells operated

21

Active

0

Plugged

21

Orphaned

0

Portfolio by state

StateWells
Colorado9
Wyoming8
Montana4

Well mix

Oil wells
8
Gas wells
0
Shut-in
0
Active share
0%

Is this your company?

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

Claim your operator profile

Where does Dreiling operate?

Dreiling's catalogued wells are spread across 3 states: Colorado (9), Wyoming (8) and Montana (4). Its 4 Montana wells are 0.0% of the 42,011 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 Dreiling’s wells are active, plugged or orphaned?

0% of Dreiling'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 Dreiling operate?

By product class, 8 (38%) 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 Dillinger Etal 1-19 in Crook, WY at 7,751 ft. The wells listed below sit in Crook (WY), Roosevelt (MT), Weld (CO), Morgan (CO) and Moffat (CO). 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 Dreiling

Wells operated by Dreiling
WellAPI # / state IDStatusTypeLocationOperatorDepth
Dillinger Etal 1-1949-011-20975Plugged & abandonedOilCrook, WYDreiling Ltd7,751 ft
Sethre 12-125-085-21434Plugged & abandonedOther typeRoosevelt, MTDreiling Ltd.7,727 ft
Red Eagle 1-2525-085-21165Plugged & abandonedOther typeRoosevelt, MTDreiling Ltd.7,700 ft
Robert Tope 149-011-20459Plugged & abandonedOilCrook, WYDreiling Ltd7,550 ft
Govt-Tope 149-011-20477Plugged & abandonedOilCrook, WYDreiling Ltd7,445 ft
Albert Raudsep Fee 1-3349-011-20574Plugged & abandonedOilCrook, WYDreiling Ltd7,356 ft
Mellott 149-011-20461Plugged & abandonedOilCrook, WYDreiling Ltd7,205 ft
1 Weickum05-123-05060Plugged & abandonedOther typeWeld, CODreiling Ltd7,115 ft
1 Rigsby05-087-07144Plugged & abandonedOther typeMorgan, CODreiling Ltd6,458 ft
State 76-0630 1a-2649-011-20684Plugged & abandonedOilCrook, WYDreiling Ltd6,199 ft
State 76-0630 1a-2649-011-20673Plugged & abandonedOilCrook, WYDreiling Ltd6,199 ft
1 Gilbert Myers05-081-06265Plugged & abandonedOther typeMoffat, CODreiling Ltd5,570 ft

Deepest first where depth is published. See all 21 wells →

Frequently asked questions

How many wells does Dreiling operate?

Dreiling is the operator of record for 21 catalogued oil & gas wells, with the largest concentration in Colorado (9). Only wells in states WellCensus has ingested are counted.

How many of Dreiling's wells are still active?

0 of Dreiling's catalogued wells are active; 21 are plugged & abandoned.

In which states does Dreiling operate wells?

Dreiling is the operator of record for wells in Colorado (9), Wyoming (8) and Montana (4).

Does Dreiling operate mostly oil or gas wells?

8 of Dreiling's catalogued wells are oil wells and 0 are gas wells; the rest are injection, service or unclassified wells.

What is Dreiling's deepest well?

Among wells with a published depth, Dillinger Etal 1-19 in Crook, WY is the deepest at 7,751 ft.

Where Dreiling'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, “Dreiling — well portfolio”, https://wellcensus.com/operators/dreiling-8136 (data as of October 10, 2026).

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