WELL · 42-115-32762 · DISTRICT 8
The Big O Unit #1
Dawson County · Lamesa N.W. (Mid. Spraberry) field · Vertical
The Big O Unit #1 (API 42-115-32762) is a plugged well in Dawson County, plugged February 29, 2008, last operated by Roca Operating Inc..
The RRC has issued one drilling permit, issued June 16, 1993, permitted to 9,400 ft.
It was permitted by Roca Resource Company, Inc. and has since transferred to Roca Operating Inc. on the wellbore schedule.
Completion filings report one formation top, including Spraberry.
Its lease has reported 68.8K barrels of oil and 99K mcf of gas since July 1993, last reporting in April 2008.
Operator of record
Permitted by Roca Resource Company, Inc.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Jan 5, 2026 · 23 permits on file · (432) 682-2554
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Roca Operating Inc. |
| Production reports | Roca Operating, Inc.through Jan 2007 |
| Latest permit | Roca Resource Company, Inc.Jun 16, 1993 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,400
- total depth, ft
- 1
- permits on file
- Jun 16, 1993
- last permit issued
- Aug 10, 1993
- completed
- 68.8K
- cumulative oil, bbl
- 99K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 1993 THROUGH Apr 2008
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 10, 1993
- Shut in
- —
- Plugged
- Feb 29, 2008
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 |
|---|---|---|---|---|---|---|
| The Big "O" Unit O-11-67127 | Lamesa, N.W. (Mid. Spraberry) | Roca Operating, Inc. | 1 | 68.8K | 99K | Jul 1993 – Apr 2008 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Roca Resource Company, Inc.Jul 1993 → Jul 2003
- 2Roca Operating, Inc.Aug 2003 → Jan 2007
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 412317-99 | Drill | Roca Resource Company, Inc. | Jun 1, 1993 | Jun 16, 1993 | Jun 16, 1993 | 9,400 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-67127 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,990 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Spraberry | 7,600 | -4,610 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,000 | 8,016 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 423 | 17.5 | 475 S |
| 8.625 | 4,220 | 11 | 1,350 S |
| 5.5 | 8,125 | 7.875 | 300 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 | Nov 30, 1993 | Aug 17, 1993 | Yes |
| 00 | Aug 26, 1993 | — | — |
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 42-115-32762 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-115-32762 → 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/11532762, documented in the API reference.