TEXAS · WELLS · NOLAN COUNTY · SOUTH LAKE TRAMMEL UNIT LEASE · API 42-353-31371 · DISTRICT 6E
South Lake Trammel Unit #56
Nolan County · Lake Trammel S. (Canyon) field · Vertical
South Lake Trammel Unit #56 (API 42-353-31371) is a plugged well in Nolan County, plugged July 8, 2026, last operated by Grayrock Energy II LLC.
The RRC has issued one drilling permit, issued November 3, 1982, permitted to 5,400 ft.
It was permitted by Canyon Resources, Inc and has since transferred to Grayrock Energy II LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Valera, Coleman Junction, Base Dothan, King Sand.
Its lease has reported 217K barrels of oil and 465K mcf of gas since January 1993, last reporting volume in April 2026. The lease carries 54 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Canyon Resources, Inc; the EWA schedule now lists a different operator.
- Based in
- Fort Worth, TX
- P-5 status
- Active (A)
- P-5 last filed
- Oct 16, 2025
- Phone
- (214) 234-9115
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Grayrock Energy II LLC |
| Production reports | Grayrock Energy II, LLCthrough Apr 2026 |
| Latest permit | Canyon Resources, IncNov 3, 1982 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 5,400
- total depth, ft
- 1
- permits on file
- Nov 3, 1982
- last permit issued
- Apr 20, 1983
- completed
- 217K
- cumulative oil, bbl
- 465K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Apr 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 20, 1983
- Shut in
- —
- Plugged
- Jul 8, 2026
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 54 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| South Lake Trammel Unit O-8-11281 | Lake Trammel, S. (Canyon) | Grayrock Energy II, LLC | 54 | 217K | 465K | Jan 1993 – Apr 2026 |
Oil, barrels lease total
Last 12 months 2,388 · prior 12 2,636(-9%)
Gas, mcf lease total
Last 12 months 778 · prior 12 6,334(-88%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Betwell Oil & Gas CompanyJan 1993 → Feb 1995
- 2Allegro Operating, Inc.Mar 1995 → Nov 1995
- 3Lavanco Energy, Inc.Dec 1995 → Jun 2003
- 4Shenandoah Petroleum CorporationJul 2003 → Jan 2004
- 5L.C.S. Production CompanyFeb 2004 → Apr 2009
- 6Plantation Operating, LLCMay 2009 → Nov 2011
- 7Merit Energy CompanyDec 2011 → May 2017
- 8Rover Petroleum Operating, LLCJun 2017 → Dec 2023
- 9Grayrock Energy II, LLCJan 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 176361-99 | Drill | Canyon Resources, Inc | Nov 3, 1982 | Nov 3, 1982 | Mar 16, 1983 | 5,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 20, 1983 | South Lake Trammel Unit O-8-11281 | Lake Trammel S. (Canyon) | Grayrock Energy II LLC | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,500 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Valera | 2,882 | -382 |
| Coleman JunctionBASE COLEMAN JUNCTION | 3,480 | -980 |
| Base Dothan | 3,830 | -1,330 |
| King Sand | 4,438 | -1,938 |
| Swastika | 4,531 | -2,031 |
| CanyonCANYON SAND | 5,212 | -2,712 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,212 | 5,365 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 389 | 11 | 150 S |
| 5.5 | 5,439 | 7.875 | 1,000 S |
| 2.875 | — | — | — |
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 | Jun 27, 1989 | May 25, 1989 | — |
| 00 | Jan 12, 1984 | Aug 12, 1983 | — |
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 42-353-31371 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-353-31371 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/35331371, documented in the API reference.