Petrora

POOLS · NEW MEXICO · POOL 96658

Hardin Tank; Wolfcamp

Oil · Southeast New Mexico · Lea County · Wolfcamp in every state →

20
active completions of 31 · 2 operators today
699,479
bbl oil, 12 months through Aug 2026 · −29%
1.0M
Mcf gas, same 12 months · −32%
5.9M
bbl oil since Dec 1996 · 9.0M Mcf gas

Every well completed in it, searchable → · Median top perforation 12,743 ft · OCD spacing: 40 acres oil, 40 acres gas

Reported production by month

Last 12 months 699,479 · prior 12 980,987(-29%)

0100K200K300K2017201820192020202120222023202420252026

Hardin Tank; Wolfcamp: Oil by month.

Operators

OperatorActiveOil, 12 moGas, 12 mo
EOG Resources Inc16549,240880,416
Marathon Oil Permian LLC4150,239163,899

Counties

Largest completions

OIL, THEN GAS · 12 MONTHS THROUGH AUG 2026

WellOperatorCountyCompletedTop perf, ftOil, 12 moGas, 12 mo
Onyx 35 Federal Com #714HEOG Resources IncLeaMar 11, 202412,674114,235148,480
Thunderbird 1 36 WA Federal Com #018HMarathon Oil Permian LLCLeaSep 2, 202212,463112,257115,254
Onyx 35 Federal Com #713HEOG Resources IncLeaMar 12, 202412,74390,383120,046
Onyx 35 Federal Com #712HEOG Resources IncLea——72,06397,219
Onyx 35 Federal Com #711HEOG Resources IncLea——70,752115,011
Onyx 35 Federal Com #716HEOG Resources IncLea——45,89473,333
Onyx 35 Federal Com #715HEOG Resources IncLea——45,662100,738
Mammoth 1 WA Federal Com #002HMarathon Oil Permian LLCLeaAug 29, 202212,89837,98248,645
Ruby 2 State Com #705HEOG Resources IncLeaJan 18, 2018—22,93741,306
Ruby 2 State Com #703HEOG Resources IncLeaJan 17, 2018—14,06743,548
Ruby 2 State Com #710HEOG Resources IncLeaJun 4, 2018—12,63812,089
Ruby 2 State Com #704HEOG Resources IncLeaJan 18, 2018—10,18826,432
Ruby 2 State Com #708HEOG Resources IncLeaMay 31, 2018—9,84512,991
Ruby 2 State Com #706HEOG Resources IncLeaJun 1, 2018—9,68347,449
Ruby 2 State Com #701HEOG Resources IncLeaApr 26, 2015—9,28514,369

Latest completions

BY COMPLETION DATE

WellOperatorCountyCompletedTop perf, ftOil, 12 moGas, 12 mo
Onyx 35 Federal Com #713HEOG Resources IncLeaMar 12, 202412,74390,383120,046
Onyx 35 Federal Com #714HEOG Resources IncLeaMar 11, 202412,674114,235148,480
Thunderbird 1 36 WA Federal Com #018HMarathon Oil Permian LLCLeaSep 2, 202212,463112,257115,254
Mammoth 1 TB Federal Com #001HMarathon Oil Permian LLCLeaAug 29, 202214,91200
Mammoth 1 WA Federal Com #007HMarathon Oil Permian LLCLeaAug 29, 202212,70600
Mammoth 1 WA Federal Com #002HMarathon Oil Permian LLCLeaAug 29, 202212,89837,98248,645
Ruby 2 State Com #709HEOG Resources IncLeaJun 4, 2018—9,0909,478
Ruby 2 State Com #710HEOG Resources IncLeaJun 4, 2018—12,63812,089
Ruby 2 State Com #706HEOG Resources IncLeaJun 1, 2018—9,68347,449
Ruby 2 State Com #707HEOG Resources IncLeaJun 1, 2018—8,99114,244

About this data

New Mexico Oil Conservation Division's pool registry, its well completions, and the volumes operators filed against the pool on form C-115, through Aug 2026. The formation, Wolfcamp, is read from the pool's name. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/fields/nm/96658, documented in the API reference.