WELL · 42-383-35374 · DISTRICT 7
Robertson-Mulholland #8
Reagan County · Price (Grayburg) field · Producing · Vertical
Robertson-Mulholland #8 (API 42-383-35374) is a well in Reagan County operated by Atlas Operating LLC, completed October 26, 2004 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued January 22, 2004, permitted to 3,000 ft.
It was permitted by Pioneer Exploration, Ltd. and has since transferred to Atlas Operating LLC on the wellbore schedule.
Completion filings report one formation top, including Grayburg.
Its lease has reported 36.1K barrels of oil and 30.9K mcf of gas since January 1993, last reporting in July 2026. The lease carries 8 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Pioneer Exploration, Ltd.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active – Hearing (H)
- P-5 last filed
- Mar 9, 2026
- Permits on file
- 78
- Phone
- (281) 893-9400
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Atlas Operating LLC |
| Production reports | Atlas Operating LLCthrough Mar 2026 |
| Latest permit | Pioneer Exploration, Ltd.Jan 22, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,000
- total depth, ft
- 1
- permits on file
- Jan 22, 2004
- last permit issued
- Oct 26, 2004
- completed
- 36.1K
- cumulative oil, bbl
- 30.9K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 26, 2004
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Hearing (H)
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 lease this well is completed on; they carry 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Robertson-Mulholland O-9-10413 | Price (Grayburg) | Atlas Operating LLC | 8 | 36.1K | 30.9K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 102 · prior 12 420(-76%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Umc Petroleum CorporationJan 1993 → Mar 1997
- 2Pioneer Exploration CompanyApr 1997 → Jun 2001
- 3Pioneer Exploration, Ltd.Jul 2001 → Jan 2008
- 4Pioneer Exploration, LLCFeb 2008 → Mar 2010
- 5Atlas Operating LLCApr 2010 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 539825-99 | Drill | Pioneer Exploration, Ltd. | Dec 17, 2003 | Jan 22, 2004 | Sep 20, 2004 | 3,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-10413 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,754 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Grayburg | 2,330 | 424 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 2,489 | 2,493 | Perforated |
| 2,513 | 2,516 | Perforated |
| 2,544 | 2,560 | Perforated |
| 2,566 | 2,576 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 890 | 12.25 | 550 S |
| 4.5 | 2,640 | 7.875 | 155 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 17, 2006 | Oct 19, 2005 | Yes |
| 00 | Nov 2, 2005 | — | — |
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 42-383-35374 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-383-35374 → 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/38335374, documented in the API reference.