WELL · 42-003-37536 · DISTRICT 8
Parker J. E. Z #1
Andrews County · Andrews (Pennsylvanian) field · Vertical
Parker J. E. Z #1 (API 42-003-37536) is a well in Andrews County operated by Union Oil Company Of California, completed September 27, 1994.
The RRC has issued one drilling permit, issued August 12, 1994, permitted to 9,800 ft.
Completion filings report 4 formation tops, including Wolfcamp, Pennsylvanian, Canyon, Atoka.
Its 2 leases have reported 322K barrels of oil and 366K mcf of gas since September 1994, last reporting in July 2026. The leases carry 5 wells, so these are lease totals, not this well alone.
Operator of record
Union Oil Company of California
Midland, TX · P-5 Y, filed Sep 2, 2022 · 2,336 permits on file · (800) 231-0623
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Union Oil Company of California |
| Production reports | Morningstar Operating LLCthrough Apr 2026 |
| Latest permit | Union Oil Company of CaliforniaAug 12, 1994 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,800
- total depth, ft
- 1
- permits on file
- Aug 12, 1994
- last permit issued
- Sep 27, 1994
- completed
- 322K
- cumulative oil, bbl
- 366K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 1994 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 27, 1994
- 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 2 leases this well is completed on; they carry 5 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Parker, J. E. "Z" O-10-34700 | Andrews (Wolfcamp-Penn.) | Morningstar Operating LLC | 3 | 266K | 323K | Oct 1995 – Jul 2026 |
| Parker, J. E. "Z" O-10-34274 | Andrews (Pennsylvanian) | Union Oil Company of California | 2 | 56.5K | 43.3K | Sep 1994 – Dec 1995 |
Oil, barrels lease total
Last 12 months 2,373 · prior 12 1,612(+47%)
Gas, mcf lease total
Last 12 months 2,253 · prior 12 228(+888%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Oil Company of CaliforniaSep 1994 → May 2000
- 2Pure Resources, L.P.Jun 2000 → Mar 2006
- 3Chevron Midcontinent, L.P.Apr 2006 → Dec 2021
- 4Morningstar Partners, L.P.Jan 2022 → Apr 2022
- 5Morningstar Operating LLCMay 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 426861-99 | Drill | Union Oil Company of California | Aug 11, 1994 | Aug 12, 1994 | Aug 14, 1994 | 9,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-34274 | — | — | — | — |
| — | — O-10-34700 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,203 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| WolfcampWOLFCAMP "REEF | 8,590 | -5,387 |
| WolfcampWOLFCAMP REEF | 8,590 | -5,387 |
| PennsylvanianPENN DET | 8,756 | -5,553 |
| PennsylvanianPENN. DETRITAL | 8,756 | -5,553 |
| PennsylvanianPENN LIME | 8,930 | -5,727 |
| PennsylvanianPENN. LIME | 8,930 | -5,727 |
| Canyon | 9,108 | -5,905 |
| Atoka | 9,710 | -6,507 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,424 | 8,440 | Perforated |
| 8,645 | 8,682 | Perforated |
| 9,012 | 9,204 | Perforated |
| 9,012 | 9,685 | Perforated |
| 9,314 | 9,695 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 11.75 | 397 | 17.5 | 520 S |
| 8.625 | 6,000 | 11 | 600 S |
| 5.5 | 9,792 | 7.875 | 1,215 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 | Feb 12, 2019 | Jan 15, 2019 | — |
| 00 | Dec 6, 1995 | Aug 22, 1995 | — |
| 00 | Oct 26, 1995 | Sep 30, 1994 | Yes |
| 00 | Oct 28, 1994 | Sep 30, 1994 | Yes |
| 00 | Oct 7, 1994 | — | — |
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 42-003-37536 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-37536 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/00337536, documented in the API reference.