WELL · 42-355-00335 · DISTRICT 4
Sponberg J. O. #B 3
Nueces County · Agua Dulce (6020) field · Vertical
Sponberg J. O. #B 3 (API 42-355-00335) is a well in Nueces County operated by Pennzoil Exploration & Prod. CO., completed October 1, 1977.
The RRC has issued one drilling permit, issued September 15, 1977, permitted to 6,850 ft.
It was permitted by Pennzoil Producing CO. and has since transferred to Pennzoil Exploration & Prod. CO. on the wellbore schedule.
Its 4 leases have reported 2.35K barrels of oil and 1.23M mcf of gas since January 1993, last reporting in July 2026. The leases carry 6 wells, so these are lease totals, not this well alone.
Operator of record
Pennzoil Exploration & Prod. Co.
Permitted by Pennzoil Producing Co.; the EWA schedule now lists a different operator.
- Based in
- Carthage, TX
- P-5 status
- Inactive (I)
- P-5 last filed
- Apr 23, 1998
- Permits on file
- 1,023
- Phone
- (713) 546-4145
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Pennzoil Exploration & Prod. Co. |
| Production reports | Urban Oil & Gas Group, LLCthrough Apr 2026 |
| Latest permit | Pennzoil Producing Co.Sep 15, 1977 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,850
- total depth, ft
- 1
- permits on file
- Sep 15, 1977
- last permit issued
- Oct 1, 1977
- completed
- 2.35K
- cumulative oil, bbl
- 1.23M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 1, 1977
- Shut in
- —
- Plugged
- —
Surface location
No coordinates on the permit record yet. The RRC's GIS record usually lands within days of issuance; historical master-file permits never carry one.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH APR 2026
Texas reports oil by lease, not by well. These are the 4 leases this well is completed on; they carry 6 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Sponberg, J. O. G-4-40572 | Agua Dulce (Consolidated Frio) | Urban Oil & Gas Group, LLC | 1 | 0 | 523K | Jan 1993 – Jul 2026 |
| Sponberg, J.O. G-4-69126 | Agua Dulce (Consolidated Frio) | Urban Oil & Gas Group, LLC | 1 | 0 | 656K | Jan 1993 – Jul 2026 |
| Sponberg, J. O. O-4-8961 | Agua Dulce (5600) | Urban Oil & Gas Group, LLC | 3 | 2.35K | 37.4K | Jan 1993 – Jul 2026 |
| Sponberg, J. O. G-4-73783 | Agua Dulce (6020) | Pennzoil Exploration & Prod. Co. | 1 | 0 | 10K | Jan 1993 – May 1994 |
Gas, mcf lease total
Last 12 months 12,232 · prior 12 4,797(+155%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pennzoil Exploration & Prod. Co.Jan 1993 → Feb 1999
- 2Pennzenergy Exp. & Prod., L.L.C.Mar 1999 → Mar 2000
- 3Devon Energy Production Co, L.P.Apr 2000 → Jul 2014
- 4Linn Operating, Inc.Aug 2014 → Apr 2017
- 5Linn Operating, LLCMay 2017 → Jul 2017
- 6Urban Oil & Gas Group, LLCAug 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 7701-99 | Recompletion | Pennzoil Producing Co. | Sep 15, 1977 | Sep 15, 1977 | — | 6,850 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-40572 | — | — | — | — |
| — | — G-4-69126 | — | — | — | — |
| — | — G-4-73783 | — | — | — | — |
| — | — O-4-8961 | — | — | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,182 | 5,192 | Perforated |
| 5,332 | 5,342 | Perforated |
| 5,598 | 5,661 | Perforated |
| 6,476 | 6,480 | Perforated |
| — | 5,598 | Perforated |
| — | 5,710 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,498 | — | — |
| 10.75 | 1,512 | 14.75 | 1,050 S |
| 2.5 | 6,500 | — | — |
| 2.875 | 6,825 | 9.875 | 2,500 S |
| 2.875 | 6,837 | 9.875 | 2,500 S |
Completion filings
W-2 and G-1 reports on record in the RRC wellbore file, newest first. The suffix identifies the wellbore or completion event. About these reports →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jan 11, 1999 | Dec 10, 1998 | — |
| 00 | Jun 10, 1996 | Mar 21, 1996 | — |
| 00 | Apr 24, 1996 | Nov 29, 1995 | — |
| 00 | Jan 12, 1984 | Oct 20, 1977 | — |
| 00 | Jan 12, 1984 | Dec 8, 1976 | — |
| 00 | Jan 12, 1984 | Nov 6, 1966 | — |
| 00 | Jan 12, 1984 | — | — |
The source documents
Petrora holds the structured record. The scanned filings live at the RRC; these links open its search already filled in for this API.
- Wellbore filings for 42-355-00335 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-355-00335 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.
About this data
Permits from the RRC OGA049M master and daily daf420 files; wellbore and operator of record from the EWA schedule, weekly; completions, formation tops, casing, and perforations from the dbf900 wellbore file; production from PDQ lease reports, which lag two to three months; injection from UIC permits, H-10 reports, and TexNet daily volumes; earthquakes from the TexNet catalog.
New to these records? How to read a well page · API numbers · completion reports and tops · why production is by lease
Developers: this page as JSON is GET /v1/data/wells/35500335, documented in the API reference.