WELL · 42-057-31561 · DISTRICT 2
Traylor Maude B. #36
Calhoun County · Maude B. Traylor (F-41-61 Deep) field · Producing · Vertical
Traylor Maude B. #36 (API 42-057-31561) is a well in Calhoun County operated by Silverbrook Operating LLC, completed October 29, 2004 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued June 20, 1997, permitted to 12,900 ft.
It was permitted by Parker & Parsley Producing L.P. and has since transferred to Silverbrook Operating LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Miocene (undifferentiated), Freda Frio, Melbourn Frio, Alton Frio.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Parker & Parsley Producing L.P.; the EWA schedule now lists a different operator.
Barker, TX · P-5 Y, filed Jul 4, 2026 · (713) 410-2385
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Silverbrook Operating LLC |
| Production reports | Silverbrook Operating, LLCthrough Feb 2026 |
| Latest permit | Parker & Parsley Producing L.P.Jun 20, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,900
- total depth, ft
- 1
- permits on file
- Jun 20, 1997
- last permit issued
- Oct 29, 2004
- completed
- 0
- cumulative oil, bbl
- 637K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 1997 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Oct 29, 2004
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Traylor, Maude B. G-2-166338 | Maude B. Traylor (F-41-61, Deep) | Silverbrook Operating, LLC | 1 | 0 | 637K | Dec 1997 – Jul 2026 |
Gas, mcf lease total
Last 12 months 1,335 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pioneer Resources Producing, L.PDec 1997 → Jun 1999
- 2Prize Operating CompanyJul 1999 → Mar 2002
- 3Gruy Petroleum Management Co.Apr 2002 → Apr 2006
- 4Cimarex Energy Co. of ColoradoMay 2006 → Sep 2015
- 5Wagner Oil CompanyOct 2015 → Nov 2023
- 6Silverbrook Operating, LLCAug 2025 → Feb 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 464056-99 | Drill | Parker & Parsley Producing L.P. | Jun 20, 1997 | Jun 20, 1997 | Jul 14, 1997 | 12,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-2-166338 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 7 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 5,000 | -4,993 |
| Freda Frio | 7,300 | -7,293 |
| Melbourn Frio | 8,300 | -8,293 |
| Alton Frio | 8,700 | -8,693 |
| FrioLOWER FRIO | 10,200 | -10,193 |
| Lwr. Frio | 10,200 | -10,193 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,694 | 10,698 | Perforated |
| 10,708 | 10,726 | Perforated |
| 10,742 | 10,748 | Perforated |
| 11,680 | 11,703 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 3,540 | 17.5 | 2,915 S |
| 9.625 | 9,344 | 12.25 | 1,415 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 | Mar 15, 2005 | Nov 9, 2004 | — |
| 00 | Mar 26, 1998 | Dec 22, 1997 | Yes |
| 00 | Feb 6, 1998 | — | — |
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 42-057-31561 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-057-31561 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). 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/05731561, documented in the API reference.