WELL · 42-003-35158 · DISTRICT 8
Parker Unit #31W
Andrews County · Parker (Wolfcamp Consolidated) field · Shut IN · Vertical
Parker Unit #31W (API 42-003-35158) is a well in Andrews County operated by Morningstar Operating LLC, completed November 7, 1994 and listed as shut in on the RRC schedule, shut in October 1, 2011.
The RRC has issued 3 drilling permits between 1985 and 1995, permitted to 9,255 ft.
It was permitted by Union Oil Company Of California and has since transferred to Morningstar Operating LLC on the wellbore schedule.
Completion filings report 5 formation tops, including Yates, Grayburg, San Andres, Wolfcamp.
Its 4 leases have reported 5.48M barrels of oil and 8.95M mcf of gas since January 1993, last reporting in July 2026. The leases carry 231 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit.
Operator of record
Permitted by Union Oil Company of California; the EWA schedule now lists a different operator.
- Based in
- Fort Worth, TX
- P-5 status
- Active (A)
- P-5 last filed
- Feb 18, 2026
- Permits on file
- 12
- Phone
- (817) 334-8096
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Morningstar Operating LLCthrough Apr 2026 |
| Latest permit | Union Oil Company of CaliforniaNov 14, 1995 |
- 9,255
- total depth, ft
- 3
- permits on file
- Nov 14, 1995
- last permit issued
- Nov 7, 1994
- completed
- 5.48M
- cumulative oil, bbl
- 8.95M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 7, 1994
- Shut in
- Oct 1, 2011
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 231 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Parker Unit O-10-40946 | Parker (Wolfcamp Consolidated) | Morningstar Operating LLC | 92 | 1.05M | 1.37M | Oct 2011 – Jul 2026 |
| Parker Unit O-10-34306 | Parker (Wolfcamp) | Chevron Midcontinent, L.P. | 112 | 4.4M | 7.56M | Sep 1994 – Feb 2012 |
| Parker, J. E. -H- O-10-4642 | Parker (Pennsylvanian) | Chevron Midcontinent, L.P. | 11 | 3.35K | 2.84K | Jan 1993 – Nov 2011 |
| Parker, J.E. -H- O-10-29638 | Parker (Wolfcamp) | Union Oil Company of California | 16 | 19.4K | 16.5K | Jan 1993 – Nov 1994 |
Oil, barrels lease total
Last 12 months 56,734 · prior 12 60,661(-6%)
Gas, mcf lease total
Last 12 months 20,000 · prior 12 75,119(-73%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Union Oil Company of CaliforniaJan 1993 → 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 |
|---|---|---|---|---|---|---|
| 441840-99 | Recompletion | Union Oil Company of California | Nov 13, 1995 | Nov 14, 1995 | — | 4,800 |
| 382417-99 | Recompletion | Union Oil Company of California | Dec 14, 1990 | Dec 14, 1990 | Feb 14, 1991 | 9,253 |
| 284225-99 | Drill | Amoco Production Co.-Andrews | Sep 3, 1985 | Sep 4, 1985 | — | 9,750 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Nov 7, 1994 | Parker Unit O-10-40946 | Parker (Wolfcamp Consolidated) | Morningstar Operating LLC | Shut IN · shut in Oct 1, 2011 | 9,255 |
| Nov 7, 1994 | Parker Unit O-10-34306 | Parker (Wolfcamp) | Chevron Midcontinent L.P. | Not on Schedule | — |
| Mar 4, 1991 | Parker J.E. -H- O-10-29638 | Parker (Wolfcamp) | Union Oil Company of California | Not on Schedule | — |
| Mar 4, 1991 | Parker J.E. -H- O-10-29638 | Parker (Wolfcamp) | Union Oil Company of California | Not on Schedule | — |
| Jan 6, 1986 | Parker J. E. -H- O-10-4642 | Parker (Pennsylvanian) | Chevron Midcontinent L.P. | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,183 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 3,130 | 53 |
| Grayburg | 4,270 | -1,087 |
| San Andres | 4,590 | -1,407 |
| Wolfcamp | 8,572 | -5,389 |
| Pennsylvanian | 8,936 | -5,753 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,600 | 8,668 | Perforated |
| 8,952 | 9,235 | Perforated |
| 8,962 | 9,049 | Perforated |
| 9,086 | 9,150 | Perforated |
| 9,168 | 9,182 | Perforated |
| 9,225 | 9,235 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 350 | 17.5 | 400 S |
| 13.375 | 350 | — | 400 S |
| 8.625 | 5,000 | 12.25 | 3,350 S |
| 8.625 | 5,005 | — | 3,360 S |
| 5.5 | 9,255 | 7.875 | 1,110 S |
| 5.5 | 9,260 | — | 1,450 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 | Dec 1, 2011 | Jan 11, 1995 | Yes |
| 00 | Mar 27, 1995 | Jan 11, 1995 | Yes |
| 00 | Nov 8, 1994 | Apr 29, 1991 | — |
| 00 | Jul 30, 1991 | Apr 29, 1991 | — |
| 00 | Jul 16, 1991 | Mar 27, 1991 | Yes |
| 00 | May 8, 1991 | Mar 27, 1991 | Yes |
| 00 | Apr 10, 1991 | Feb 10, 1986 | Yes |
| 00 | Feb 21, 1986 | Feb 10, 1986 | Yes |
| 00 | Feb 14, 1986 | — | — |
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 42-003-35158 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-35158 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 299K
- bbl, all reported
- Feb 2000
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000058299 | H-1 Injection | Active | 800 | 3,000 | 8,590–8,760 |
| 000083908 | H-1 Injection | Canceled Jun 22, 1999 | 1,000 | 1,500 | 4,500–4,800 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 0 · prior 12 0
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/00335158, documented in the API reference.