FIELDS · TEXAS · FIELD 39176498

Harper (Ellenburger)

Field · District 08 · Ector County · Ellenburger in every state →

Harper (Ellenburger) is an RRC field with 11 leases on file reported by 23 operators, in Ector County.

In the 12 months reported through April 2026 it produced 34,953 barrels of oil, down 27% on the year before, from 7 leases reporting volume.

Formentera Operations LLC holds the most, 2 leases and 826,175 barrels of oil lifetime.

Lifetime, the field has reported 2.7 million barrels of oil and 2.6 million mcf of gas.

11
leases on file
7
leases reporting volume
23
operators, all time
9
active wellbores of 39 · 4 operators today
34,953
bbl oil, 12 months through Apr 2026 · −27%
26,798
Mcf gas, same 12 months · −47%
2.7M
bbl oil, lifetime · 2.6M Mcf gas

Every well completed in it, searchable →

Reported production by month

Last 12 months 34,953 · prior 12 48,063(-27%)

05K10K2017201820192020202120222023202420252026

Harper (Ellenburger): Oil by month.

Operators

BY LIFETIME OIL ON THEIR LEASES · TOP 6

OperatorLeasesOil, bblGas, McfLast reported
Formentera Operations LLC2826K841KJul 2026
Burleson Petroleum, Inc.2675K480KJul 2026
OXY USA WTP EOR, LLC2601K601KJul 2026
Aghorn Operating, Inc.2433K492KJul 2026
Hilcorp Energy Company289.2K59.9KJul 2026
OXY USA WTP LP165.6K110KOct 2018

All 11 leases in Harper (Ellenburger), searchable →

Counties

Latest completions

BY COMPLETION DATE

WellOperatorCountyCompletedTop perf, ftOil, 12 moGas, 12 mo
Moss -E- #7 LHilcorp Energy CompanyEctorJun 10, 2022—00
Harper Devonian Unit #612Hilcorp Energy CompanyEctorJan 14, 2013—00
Diamond Lil #1Hilcorp Energy CompanyEctorJun 27, 2001—00
Moss Paul et al Tract 1 #1Hilcorp Energy CompanyEctorMay 12, 2000—00
Ector -K- Fee #9 HFormentera Operations LLCEctorJan 29, 1994—00
Ector Fee Unit II #5 JFormentera Operations LLCEctorFeb 1, 1990—00
Ector -AM- Fee #2 JAghorn Operating Inc.EctorNov 15, 1987—00
Fraser George C. B #7Burleson Petroleum Inc.EctorJan 25, 1986—00
Moss #7Aghorn Operating Inc.EctorAug 2, 1984—00
Moss Paul Etal -B- Tract 1 #5OXY USA WTP LPEctorJan 14, 1984—00

About this data

Field 39176498 from RRC PDQ lease reports: lifetime totals and lease and operator counts from the field summary; the monthly series summed from every lease report naming the field, cut at the statewide reported-through month, Apr 2026. Counties from the wells completed on each lease. Completions are the wellbores the RRC schedule ties to the field. The formation, Ellenburger, is read from the field's name. Nothing is estimated.

Developers: this page as JSON is GET /v1/data/fields/tx/39176498, documented in the API reference.