WELL · 42-115-33490 · DISTRICT 8
O Brien 1 #1
Dawson County · Spraberry (Trend Area) field · Producing · Vertical
O Brien 1 #1 (API 42-115-33490) is a well in Dawson County operated by Laguna Texas Resources LLC, completed July 11, 2012 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued April 5, 2012, permitted to 11,000 ft.
It was permitted by Eastland Oil Company, The and has since transferred to Laguna Texas Resources LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Spraberry, Dean, Wolfcamp.
Its lease has reported 30.6K barrels of oil and 22.9K mcf of gas since July 2012, last reporting in July 2026.
Operator of record
Permitted by Eastland Oil Company, The; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Feb 9, 2026 · 13 permits on file · (713) 485-4094
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Laguna Texas Resources LLC |
| Production reports | Laguna Texas Resources, LLCthrough Dec 2025 |
| Latest permit | Eastland Oil Company, TheApr 5, 2012 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,000
- total depth, ft
- 1
- permits on file
- Apr 5, 2012
- last permit issued
- Jul 11, 2012
- completed
- 30.6K
- cumulative oil, bbl
- 22.9K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2012 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 11, 2012
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| O'Brien 1 O-10-44387 | Spraberry (Trend Area) | Laguna Texas Resources, LLC | 1 | 30.6K | 22.9K | Jul 2012 – Jul 2026 |
Oil, barrels lease total
Last 12 months 945 · prior 12 847(+12%)
Gas, mcf lease total
Last 12 months 426 · prior 12 347(+23%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Eastland Oil Company, TheAug 2012 → Dec 2023
- 2EOG Resources, Inc.Jan 2024 → Sep 2025
- 3Laguna Texas Resources, LLCOct 2025 → Oct 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 735658-99 | Drill | Eastland Oil Company, The | Mar 8, 2012 | Apr 5, 2012 | May 14, 2012 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-44387 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,921 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,015 | 10,300 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 399 | 17.25 | 285 S |
| 8.625 | 4,848 | 11 | 1,075 S |
| 4.5 | 10,498 | 7.875 | 1,200 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 10, 2014 | Jun 14, 2013 | Yes |
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 42-115-33490 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-115-33490 → 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/11533490, documented in the API reference.