WELL · 42-317-33321 · DISTRICT 8
Cross Bar Ranch A #1
Martin County · Spraberry (Trend Area) field · Vertical
Cross Bar Ranch A #1 (API 42-317-33321) is a plugged well in Martin County, plugged June 30, 2025, last operated by Diamondback E&P LLC.
The RRC has issued 3 drilling permits between 1985 and 2006, permitted to 12,000 ft.
It was permitted by Lothian Oil Texas I, Inc. and has since transferred to Diamondback E&P LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Glorieta, Clear Fork, Spraberry, Dean.
Its 2 leases have reported 17.1M barrels of oil and 28.6M mcf of gas since December 2006, last reporting in July 2026. The leases carry 158 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Lothian Oil Texas I, Inc.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | COG Operating LLCthrough Apr 2026 |
| Latest permit | Lothian Oil Texas I, Inc.Sep 18, 2006 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 3
- permits on file
- Sep 18, 2006
- last permit issued
- Dec 11, 2006
- completed
- 17.1M
- cumulative oil, bbl
- 28.6M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2006 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 11, 2006
- Shut in
- —
- Plugged
- Jun 30, 2025
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 158 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Cross Bar Ranch O-10-38014 | Spraberry (Trend Area) | COG Operating LLC | 154 | 17.1M | 28.5M | Dec 2006 – Jul 2026 |
| Cross Bar Ranch A O-10-54652 | Spraberry (Trend Area) | Diamondback E&P LLC | 4 | 20.6K | 59.6K | Aug 2020 – Jul 2026 |
Oil, barrels lease total
Last 12 months 219,014 · prior 12 192,696(+14%)
Gas, mcf lease total
Last 12 months 472,868 · prior 12 405,434(+17%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Lothian Oil Texas I, Inc.Dec 2006 → Mar 2008
- 2Patriot Resources, Inc.Apr 2008 → Jan 2011
- 3RSP Permian, LLCFeb 2011 → Jul 2018
- 4COG Operating LLCAug 2018 → Apr 2026
- 5Diamondback E&P LLCJul 2021 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 626036-99 | Reenter | Lothian Oil Texas I, Inc. | Sep 15, 2006 | Sep 18, 2006 | Sep 12, 2006 | 11,100 |
| 351794-99 | Recompletion | Heritage Resources, Inc. | Sep 30, 1988 | Sep 30, 1988 | — | 10,400 |
| 293512-99 | Drill | Heritage Resources, Inc. | Dec 23, 1985 | Dec 23, 1985 | — | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-38014 | — | — | — | — |
| — | — O-10-38014 | — | — | — | — |
| — | — O-10-54652 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,879 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,588 | 9,644 | Perforated |
| 9,870 | 9,938 | Perforated |
| 9,938 | 9,870 | Perforated |
| 11,008 | 11,031 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 368 | 17.5 | 400 S |
| 13.375 | 368 | — | 400 S |
| 8.625 | 2,410 | 11 | 1,435 S |
| 8.625 | 4,710 | 12.25 | 1,435 S |
| 8.625 | 4,710 | — | 1,435 S |
| 7 | 10,400 | 7.875 | 310 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 | Sep 29, 2020 | Aug 16, 2011 | Yes |
| 00 | May 1, 2012 | Aug 16, 2011 | Yes |
| 00 | May 8, 2007 | Dec 20, 2006 | Yes |
| 00 | Feb 27, 2007 | — | — |
| 00 | Mar 20, 1986 | Mar 14, 1986 | Yes |
| 00 | Mar 18, 1986 | — | — |
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 42-317-33321 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-33321 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/31733321, documented in the API reference.