WELL · 42-033-31958 · DISTRICT 8
CR a (Tract 4) #2101
Borden County · Clayton Ranch N. (Spraberry) field · Vertical
CR A (Tract 4) #2101 (API 42-033-31958) is a well in Borden County operated by Primexx Operating Corporation, completed October 23, 2005.
The RRC has issued one drilling permit, issued May 23, 2005, permitted to 7,200 ft.
It was permitted by Fagadau Energy Corporation and has since transferred to Primexx Operating Corporation on the wellbore schedule.
Completion filings report 3 formation tops, including Lo Clearfork, Spraberry, Top Clayton Ranch.
Its 2 leases have reported 3.23M barrels of oil and 746K mcf of gas since January 2002, last reporting in July 2026. The leases carry 35 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Fagadau Energy Corporation; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Dec 4, 2025 · 310 permits on file · (214) 369-5909
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Primexx Operating Corporation |
| Production reports | Aviator Energy, LLCthrough Apr 2026 |
| Latest permit | Fagadau Energy CorporationMay 23, 2005 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 7,200
- total depth, ft
- 1
- permits on file
- May 23, 2005
- last permit issued
- Oct 23, 2005
- completed
- 3.23M
- cumulative oil, bbl
- 746K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2002 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Oct 23, 2005
- Shut in
- —
- Plugged
- —
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 2 leases this well is completed on; they carry 35 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Martin, Nan "A" O-11-68405 | Clayton Ranch, N. (Spraberry) | Aviator Energy, LLC | 34 | 3.21M | 739K | Jan 2002 – Jul 2026 |
| CR 'a' (Tract 4) O-11-68875 | Clayton Ranch, N. (Spraberry) | Primexx Operating Corporation | 1 | 10.8K | 6.15K | Oct 2005 – Jul 2009 |
Oil, barrels lease total
Last 12 months 9,241 · prior 12 11,769(-21%)
Gas, mcf lease total
Last 12 months 0 · prior 12 1,469(-100%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Fagadau Energy CorporationJan 2002 → Apr 2006
- 2Primexx Operating CorporationMay 2006 → Sep 2013
- 3Willow Bend Oil LLCOct 2013 → Sep 2015
- 4Scout Energy Management LLCOct 2015 → Mar 2024
- 5Sierra Lima Oil & Gas, LLCApr 2024 → Nov 2025
- 6Aviator Energy, LLCDec 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 601099-99 | Drill | Fagadau Energy Corporation | May 23, 2005 | May 23, 2005 | Jun 27, 2005 | 7,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-68405 | — | — | — | — |
| — | — O-11-68875 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,653 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| LO Clearfork | 5,704 | -3,051 |
| SpraberryTOP SPRABERRY | 5,740 | -3,087 |
| Top Clayton Ranch | 5,788 | -3,135 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,788 | 5,810 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 335 | 17.5 | 280 S |
| 8.625 | 3,031 | 11 | 1,050 S |
| 5.5 | 5,925 | 7.875 | 170 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 | Apr 6, 2009 | Nov 7, 2005 | Yes |
| 00 | May 22, 2006 | Nov 7, 2005 | Yes |
| 00 | Feb 8, 2006 | — | — |
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 42-033-31958 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-033-31958 → 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/03331958, documented in the API reference.