TEXAS · WELLS · ECTOR COUNTY · API 42-135-35349 · DISTRICT 7B
Brock L. E. #12
Ector County · Foster field · Injection · Vertical
Brock L. E. #12 (API 42-135-35349) is a well in Ector County operated by Laguna Petroleum Corporation, completed August 7, 2003 and listed as injection on the RRC schedule.
The RRC has issued 2 drilling permits between 1986 and 1995, permitted to 9,200 ft.
Completion filings report 8 formation tops, including Yates, Queen, Grayburg, San Andres.
Its 2 leases have reported 853K barrels of oil and 261K mcf of gas since January 1993, last reporting in July 2026. The leases carry 21 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 8.48K barrels injected in the 12 months reported through October 2025.
Operator of record
- Based in
- Houston, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 5, 2026
- Permits on file
- 107
- Phone
- (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Laguna Petroleum Corporation |
| Production reports | Laguna Petroleum Corporationthrough Apr 2026 |
| Latest permit | Laguna Petroleum CorporationJan 19, 1995 |
- 9,200
- total depth, ft
- 2
- permits on file
- Jan 19, 1995
- last permit issued
- Aug 7, 2003
- completed
- 853K
- cumulative oil, bbl
- 261K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 7, 2003
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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 21 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Brock, L. E. O-10-21471 | Foster | Laguna Petroleum Corporation | 19 | 848K | 259K | Jan 1993 – Jul 2026 |
| Brock, L. E. O-10-31054 | Cowden, South (Canyon 8790) | Laguna Petroleum Corporation | 2 | 4.75K | 2.35K | Jan 1993 – Mar 2008 |
Oil, barrels lease total
Last 12 months 2,686 · prior 12 1,487(+81%)
Gas, mcf lease total
Last 12 months 633 · prior 12 167(+279%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Laguna Petroleum CorporationJan 1993 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 431769-99 | Recompletion | Laguna Petroleum Corporation | Jan 12, 1995 | Jan 19, 1995 | Nov 14, 1994 | 4,300 |
| 321097-99 | Drill | Arco Oil & Gas Co. | Sep 25, 1986 | Oct 24, 1986 | — | 9,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Aug 7, 2003 | Brock L. E. O-10-21471 | Foster | Laguna Petroleum Corporation | Injection | 9,200 |
| Jan 27, 1987 | Brock L. E. O-10-31054 | Cowden South (Canyon 8790) | Laguna Petroleum Corporation | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,922 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,736 | 4,262 | Perforated |
| 3,763 | 4,028 | Perforated |
| 4,120 | 4,262 | Perforated |
| 8,765 | 8,910 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 327 | 17.5 | 350 S |
| 8.625 | 4,737 | 12.25 | 2,350 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 | May 15, 2025 | Nov 8, 2024 | — |
| 00 | Aug 8, 2023 | Feb 8, 2023 | — |
| 00 | Oct 13, 2004 | Oct 8, 2003 | — |
| 00 | May 9, 1996 | Apr 10, 1996 | — |
| 00 | Mar 27, 1995 | Feb 6, 1995 | Yes |
| 00 | Mar 6, 1995 | Feb 5, 1987 | Yes |
| 00 | Feb 19, 1987 | Feb 5, 1987 | Yes |
| 00 | Feb 18, 1987 | — | — |
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 42-135-35349 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-35349 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 8.48K
- bbl, last 12 reported months
- 1.29M
- bbl, all reported
- Oct 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000093245 | H-1 Injection | Active | 1,000 | 1,875 | 3,750–4,600 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 8,482 · prior 12 7,657(+11%)
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/13535349, documented in the API reference.