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Anadarko Petroleum

Operator of record for 1,541 catalogued wells across 11 states. Every well below links to its full registry page.

Filed as: ANADARKO PETROLEUM CORP · ANADARKO PETROLEUM CORP. · ANADARKO PETROLEUM CORPORATION · Anadarko Petroleum Corp · …

At a glance

Anadarko Petroleum is the operator of record for 1,541 catalogued U.S. oil & gas wells in 11 states. 45 (3%) are active, 1,319 (86%) plugged & abandoned. Its largest concentration is in Kansas, with 755 wells (49% of its portfolio).

Wells operated

1,541

Active

45

Plugged

1,319

Orphaned

0

Portfolio by state

StateWells
Kansas755
Oklahoma258
Wyoming249
Louisiana71
New Mexico70
Colorado63
Montana38
Mississippi16
Arkansas10
Utah8
North Dakota3

Well mix

Oil wells
304
Gas wells
524
Shut-in
11
Active share
3%

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Where does Anadarko Petroleum operate?

Anadarko Petroleum's catalogued wells are spread across 11 states: Kansas (755), Oklahoma (258), Wyoming (249), Louisiana (71) and New Mexico (70) and 6 more. Its 249 Wyoming wells are 0.2% of the 129,957 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 Anadarko Petroleum’s wells are active, plugged or orphaned?

3% of Anadarko Petroleum's catalogued wells are active, 26 percentage points below the national share of 29%. 86% are plugged & abandoned, against 47% nationally. 11 wells (0.7%) are shut-in — unplugged but idle. None of the wells filed under this name is flagged as orphaned.

What kinds of wells does Anadarko Petroleum operate?

By product class, 304 (20%) are oil wells and 524 (34%) gas wells; nationally the shares are 43% and 17%. The deepest of its wells with a published depth is Ballard Grayburg Sa Unit #003 in Eddy, NM at 99,999 ft. The wells listed below sit in Eddy (NM) and Lea (NM). State filings spell the name 5 ways; WellCensus merges exact-normalized spellings only, so subsidiaries and affiliates keep their own pages.

Notable wells operated by Anadarko Petroleum

Wells operated by Anadarko Petroleum
WellAPI # / state IDStatusTypeLocationOperatorDepth
Ballard Grayburg Sa Unit #00330-015-23713Plugged & abandonedOilEddy, NMAnadarko Petroleum Corp99,999 ft
Loco Hills A Federal #00330-015-20579Plugged & abandonedOilEddy, NMAnadarko Petroleum Corp99,999 ft
Ballard Grayburg Sa Unit #001q30-015-24244Plugged & abandonedInjectionEddy, NMAnadarko Petroleum Corp99,999 ft
Ballard Grayburg Sa Unit #01130-015-03426Plugged & abandonedOilEddy, NMAnadarko Petroleum Corp99,999 ft
Ballard Grayburg Sa Unit #00530-015-03333Plugged & abandonedOilEddy, NMAnadarko Petroleum Corp99,999 ft
Baxter A Federal #00130-015-04859Plugged & abandonedInjectionEddy, NMAnadarko Petroleum Corp99,999 ft
Ballard Grayburg Sa Unit #00230-015-03305Plugged & abandonedInjectionEddy, NMAnadarko Petroleum Corp99,999 ft
Anderson #00130-015-24163Plugged & abandonedGasEddy, NMAnadarko Petroleum Corp99,999 ft
Federal 11 #00130-015-25086Plugged & abandonedGasEddy, NMAnadarko Petroleum Corp99,999 ft
Baxter A Federal #00230-015-04860Plugged & abandonedOilEddy, NMAnadarko Petroleum Corp99,999 ft
Langlie Mattix Penrose Sand Unit #00130-025-10396Plugged & abandonedInjectionLea, NMAnadarko Petroleum Corp99,999 ft
Federal L #00330-015-04409Plugged & abandonedOilEddy, NMAnadarko Petroleum Corp99,999 ft

Deepest first where depth is published. See all 1,541 wells →

Frequently asked questions

How many wells does Anadarko Petroleum operate?

Anadarko Petroleum is the operator of record for 1,541 catalogued oil & gas wells, with the largest concentration in Kansas (755). Only wells in states WellCensus has ingested are counted.

How many of Anadarko Petroleum's wells are still active?

45 of Anadarko Petroleum's catalogued wells are active; 1,319 are plugged & abandoned.

In which states does Anadarko Petroleum operate wells?

Anadarko Petroleum is the operator of record for wells in Kansas (755), Oklahoma (258), Wyoming (249), Louisiana (71), New Mexico (70), Colorado (63), Montana (38), Mississippi (16), Arkansas (10), Utah (8) and North Dakota (3).

Does Anadarko Petroleum operate mostly oil or gas wells?

304 of Anadarko Petroleum's catalogued wells are oil wells and 524 are gas wells; the rest are injection, service or unclassified wells.

What is Anadarko Petroleum's deepest well?

Among wells with a published depth, Ballard Grayburg Sa Unit #003 in Eddy, NM is the deepest at 99,999 ft.

Where Anadarko 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, “Anadarko Petroleum — well portfolio”, https://wellcensus.com/operators/anadarko-petroleum-123 (data as of October 10, 2026).

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