FIELDS · TEXAS · FIELD 45757280
Jar (Pennsylvanian)
Field · District 7C · Upton County and 1 more · Pennsylvanian in every state →
Jar (Pennsylvanian) is an RRC field with 11 leases on file reported by 10 operators, mostly in Upton County.
In the 12 months reported through April 2026 it produced 6,449 barrels of oil, up 118% on the year before, from 3 leases reporting volume.
Diamondback E&P LLC holds the most, 2 leases and 1.7 million mcf of gas lifetime.
Lifetime, the field has reported 252,160 barrels of oil and 3.0 million mcf of gas.
- 11
- leases on file
- 3
- leases reporting volume
- 10
- operators, all time
- 2
- active wellbores of 12 · 1 operators today
- 6,449
- bbl oil, 12 months through Apr 2026 · +118%
- 31,463
- Mcf gas, same 12 months · +33%
- 252,160
- bbl oil, lifetime · 3.0M Mcf gas
Every well completed in it, searchable →
Reported production by month
12 months through Apr 2026 6,449 · prior 12 2,963(+118%)
Jar (Pennsylvanian): Oil by month.
Operators
BY LIFETIME OIL ON THEIR LEASES · TOP 5
| Operator | Leases | Oil, bbl | Gas, Mcf | Last reported |
|---|---|---|---|---|
| Diamondback E&P LLC | 2 | 149K | 1.65M | Apr 2026 |
| SM Energy Company | 2 | 48.6K | 243K | Jul 2013 |
| XTO Energy Inc. | 1 | 48.2K | 1.02M | Mar 2026 |
| St. Mary Land & Exploration Co. | 3 | 3.5K | 13.1K | Oct 2009 |
| Parsley Energy Operations, LLC | 3 | 2.77K | 36.1K | Jan 2014 |
Counties
- Upton County → 9 leases
- Midland County → 2 leases
Latest completions
BY COMPLETION DATE
| Well | Operator | County | Completed | Top perf, ft | Oil, 12 mo | Gas, 12 mo |
|---|---|---|---|---|---|---|
| Darling North B #3 | Diamondback E&P LLC | Upton | Apr 17, 2015 | — | — | — |
| Elaine 42 #1 | Pioneer Natural Res. USA Inc. | Upton | Dec 13, 2013 | — | — | — |
| Darling North a #1 | Diamondback E&P LLC | Upton | Aug 18, 2013 | — | — | — |
| Elaine 36 #1 | Parsley Energy Operations LLC | Midland | Aug 6, 2013 | — | — | — |
| Elaine 10 #1 | Pioneer Natural Res. USA Inc. | Upton | Jun 20, 2013 | — | — | — |
| Dorcus #2911 | SM Energy Company | Upton | Nov 20, 2010 | — | — | — |
| Janey #1809 | SM Energy Company | Midland | Jul 27, 2010 | — | — | — |
| Dorcus #2912 | SM Energy Company | Upton | Dec 22, 2009 | — | — | — |
| Katie #4413 | SM Energy Company | Upton | Aug 17, 2009 | — | — | — |
| Kathryn #4810 | SM Energy Company | Upton | Mar 6, 2009 | — | — | — |
About this data
Field 45757280 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. Oil includes condensate from gas leases and gas includes casinghead gas from oil leases, as the RRC totals them. Counties from the wells completed on each lease. Completions are the wellbores the RRC schedule ties to the field. The formation, Pennsylvanian, is read from the field's name. Nothing is estimated.
Developers: this page as JSON is GET /v1/data/fields/tx/45757280, documented in the API reference.