TEXAS · WELLS · STONEWALL COUNTY · ANNIS LEASE · API 42-433-31225 · DISTRICT 6E
Annis #12
Stonewall County · Flowers (Canyon Sand) field · Producing · Vertical
Annis #12 (API 42-433-31225) is a well in Stonewall County operated by Grayrock Energy II LLC, completed May 20, 1981 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits in 1981, permitted to 4,340 ft.
It was permitted by Martin Oil CO. and has since transferred to Grayrock Energy II LLC on the wellbore schedule.
Completion filings report 4 formation tops, including T/Coleman Jct Lime, Cisco, Gunsight, Canyon.
Its lease has reported 92.8K barrels of oil and 7.76K mcf of gas since the record begins in January 1993, last reporting volume in July 2026. The lease carries 11 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Martin Oil Co.; the EWA schedule now lists a different operator.
- Based in
- Fort Worth, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Oct 6, 2026
- 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 Jul 2026 |
| Latest permit | Martin Oil Co.Jun 23, 1981 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,340
- total depth, ft
- 2
- permits on file
- Jun 23, 1981
- last permit issued
- May 20, 1981
- completed
- 92.8K
- cumulative oil, bbl
- 7.76K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · ON RECORD FROM JAN 1993, THE RECORD'S FIRST MONTH, THROUGH JUL 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 20, 1981
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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.
Wells nearby
Every well with a location on file around this well, in any state, nearest first.
Texas locations come from drilling permits, so most older Texas wells have none and are not listed.
Lease production
PDQ LEASE REPORTS · REPORTED THROUGH AUG 2026
Texas reports oil by lease, not by well. These are the lease this well is completed on; they carry 11 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Annis O-8-4268 | Flowers (Canyon Sand) | Grayrock Energy II, LLC | 11 | 92.8K | 7.76K | by Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 708 · prior 12 1,307(-46%)
Wells named Annis
Grayrock Energy II LLC's other wells filed under this lease name in Stonewall County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.
Loading the lease's wellsChain of custody
Every operator that reported production on this well's lease, in order.
- 1Martin Oil Co.Jan 1993 → Dec 1997
- 2Walter Exploration Inc.Jan 1998 → Sep 2001
- 3Walter Exploration CompanyOct 2001 → Oct 2010
- 4Plantation Operating, LLCNov 2010 → Nov 2011
- 5Merit Energy CompanyDec 2011 → May 2017
- 6Rover Petroleum Operating, LLCJun 2017 → Dec 2023
- 7Grayrock Energy II, LLCJan 2024 → Jul 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 122172-99 | Drill | Martin Oil Co. | Jun 23, 1981 | Jun 23, 1981 | — | 4,600 |
| 120166-99 | Drill | Martin Oil Co. | Jun 8, 1981 | Jun 8, 1981 | — | 4,600 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 20, 1981 | Annis O-8-4268 | Flowers (Canyon Sand) | Grayrock Energy II LLC | Producing | 4,340 |
Formation tops
As filed on W-2/G-1. Subsea from 1,816 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,186 | 4,218 | Perforated |
| 4,186 | 4,280 | Perforated |
| 4,220 | 4,230 | Perforated |
| 4,256 | 4,270 | Perforated |
| 4,274 | 4,280 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 202 | 12.5 | 200 S |
| 2.375 | 4,180 | — | — |
| 5.5 | 4,354 | 7.875 | 600 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 | May 6, 2003 | Feb 3, 2003 | — |
| 00 | Jan 12, 1984 | May 29, 1981 | — |
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 42-433-31225 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-433-31225 → 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/43331225, documented in the API reference.