TEXAS · WELLS · TERRELL COUNTY · MAYME, K. MARTIN UNIT LEASE · API 42-443-30766 · DISTRICT 6E
Mayme K. Martin Unit #5
Terrell County · Brown-Bassett (Wolfcamp) field · Producing · Horizontal · Directional · Sidetrack
Mayme K. Martin Unit #5 (API 42-443-30766) is a horizontal well in Terrell County operated by Longfellow Energy LP, completed February 16, 1998 and listed as producing on the RRC schedule, shut in April 1, 2020.
The RRC has issued one drilling permit (amended once), issued November 26, 1997, permitted to 6,058 ft.
It was permitted by Mobil Producing TX. & N.M. Inc. and has since transferred to Longfellow Energy LP on the wellbore schedule.
Completion filings report 4 formation tops, including Leonardian, Wlfcmp (Shale), Wolfcamp, Wlfcmp (Sands).
Its lease has reported 86.9K mcf of gas since February 1998, with no volume in the three years through April 2026.
Operator of record
Permitted by Mobil Producing TX. & N.M. Inc.; the EWA schedule now lists a different operator.
- Based in
- Dallas, TX
- P-5 status
- Active (A)
- P-5 last filed
- Mar 26, 2026
- Permits on file
- 38
- Phone
- (972) 590-9900
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Longfellow Energy LP |
| Production reports | Longfellow Energy, LPthrough Mar 2020 |
| Latest permit | Mobil Producing TX. & N.M. Inc.Nov 26, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,058
- total depth, ft
- 2
- permits on file
- Nov 26, 1997
- last permit issued
- Feb 16, 1998
- completed
- 0
- cumulative oil, bbl
- 86.9K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 1998 THROUGH Mar 2020
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 16, 1998
- Shut in
- Apr 1, 2020
- 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 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 |
|---|---|---|---|---|---|---|
| Mayme, K. Martin Unit G-9-168893 | Brown-Bassett (Wolfcamp) | Longfellow Energy, LP | 1 | 0 | 86.9K | Feb 1998 – Mar 2020 |
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.
- 1Mobil Producing TX. & N.M. Inc.Feb 1998 → Dec 2011
- 2XTO Energy Inc.Jan 2012 → Mar 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 470220-98 | Recompletion · sidetrack | Mobil Producing TX. & N.M. Inc. | Oct 19, 1998 | Nov 26, 1997 | — | 5,923 |
| 470220-99 | Recompletion · sidetrack | Mobil Producing TX. & N.M. Inc. | Nov 17, 1997 | Nov 26, 1997 | Jan 9, 1998 | 6,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Feb 16, 1998 | Mayme K. Martin Unit G-9-168893 | Brown-Bassett (Wolfcamp) | Longfellow Energy LP | Producing · shut in Apr 1, 2020 | 6,058 |
Formation tops
As filed on W-2/G-1. Subsea from 2,419 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,011 | 5,435 | Perforated |
| 5,144 | 5,568 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,225 | 11 | 352 S |
| 4.5 | 6,049 | 7.875 | 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Aug 25, 1998 | Aug 11, 1998 | — |
| 00 | Aug 19, 1998 | Apr 15, 1998 | Yes |
| 00 | Jul 23, 1998 | — | Yes |
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 42-443-30766 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-443-30766 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its 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/44330766, documented in the API reference.