TEXAS · WELLS · CROCKETT COUNTY · MCMULLAN "A" LEASE · API 42-105-36311 · DISTRICT 6E
McMullan A #4
Crockett County · Davidson Ranch (Penn. 7890) field · Vertical
Mcmullan A #4 (API 42-105-36311) is a plugged well in Crockett County, plugged April 7, 2014, last operated by Anadarko E&P Onshore LLC.
The RRC has issued one drilling permit, issued January 19, 1993, permitted to 9,000 ft.
It was permitted by Amax Oil & Gas Inc. and has since transferred to Anadarko E&P Onshore LLC on the wellbore schedule.
Completion filings report one formation top, including Pennsylvanian.
Operator of record
Permitted by Amax Oil & Gas Inc.; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 22, 2025
- Permits on file
- 4,575
- Phone
- (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Anadarko E&P Onshore LLC |
| Production reports | Anadarko E&P Onshore LLCthrough Dec 2013 |
| Latest permit | Amax Oil & Gas Inc.Jan 19, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 1
- permits on file
- Jan 19, 1993
- last permit issued
- Sep 19, 2001
- completed
- 0
- cumulative oil, bbl
- 1.15M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 1993 THROUGH Apr 2014
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 19, 2001
- Shut in
- —
- Plugged
- Apr 7, 2014
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McMullan "A" G-9-145385 | Davidson Ranch (Penn. 7890) | Anadarko E&P Onshore LLC | 1 | 0 | 1.15M | May 1993 – Apr 2014 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Amax Oil & Gas Inc.May 1993 → Mar 1994
- 2Union Pacific Resources CompanyApr 1994 → Jan 2001
- 3Rme Petroleum CompanyFeb 2001 → Nov 2002
- 4Anadarko E&P Company LPDec 2002 → Dec 2012
- 5Anadarko E&P Onshore LLCJan 2013 → Dec 2013
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 408017-99 | Drill | Amax Oil & Gas Inc. | Jan 11, 1993 | Jan 19, 1993 | Feb 26, 1993 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Sep 19, 2001 | McMullan A G-9-145385 | Davidson Ranch (Penn. 7890) | Anadarko E&P Onshore LLC | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,430 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| PennsylvanianPENN | 7,690 | -5,260 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,692 | 7,854 | Perforated |
| 7,975 | 8,302 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,215 | 11 | 400 S |
| 4.5 | 8,500 | 7.875 | 350 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 23, 2002 | Dec 7, 2001 | — |
| 00 | Jul 21, 1993 | May 17, 1993 | Yes |
| 00 | Jun 7, 1993 | — | — |
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 42-105-36311 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-36311 → 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/10536311, documented in the API reference.