WELL · 42-507-33276 · DISTRICT 1
Chittim Heirs #11H
Zavala County · Briscoe Ranch (Eagleford) field · Producing · Horizontal
Chittim Heirs #11H (API 42-507-33276) is a horizontal well in Zavala County operated by Blackbrush O & G LLC, completed November 21, 2016 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued August 10, 2016, permitted to 5,250 ft.
Completion filings report 3 formation tops, including Escondido, Austin Chalk, Eagle Ford.
Its lease has reported 892K barrels of oil and 2.27M mcf of gas since April 2011, last reporting in July 2026. The lease carries 8 wells, so these are lease totals, not this well alone.
Operator of record
San Antonio, TX · P-5 Y, filed Aug 4, 2025 · 339 permits on file · (210) 569-6756
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Blackbrush O & G LLC |
| Production reports | Blackbrush O & G, LLCthrough Apr 2026 |
| Latest permit | Blackbrush O & G, LLCAug 10, 2016 |
- 5,250
- total depth, ft
- 1
- permits on file
- Aug 10, 2016
- last permit issued
- Nov 21, 2016
- completed
- 892K
- cumulative oil, bbl
- 2.27M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2011 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 21, 2016
- 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; they carry 8 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Chittim Heirs O-1-16989 | Briscoe Ranch (Eagleford) | Blackbrush O & G, LLC | 8 | 892K | 2.27M | Apr 2011 – Jul 2026 |
Oil, barrels lease total
Last 12 months 34,199 · prior 12 39,190(-13%)
Gas, mcf lease total
Last 12 months 135,343 · prior 12 116,495(+16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Blackbrush O & G, LLCJul 2013 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 817438-99 | Drill | Blackbrush O & G, LLC | Aug 1, 2016 | Aug 10, 2016 | Sep 11, 2016 | 5,250 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-16989 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 638 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| EscondidoESCONDIDO - DISPOSAL | 830 | -192 |
| Austin Chalk | 4,034 | -3,396 |
| Eagle FordEAGLEFORD | 4,764 | -4,126 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,182 | 9,826 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 969 | 12.25 | 414 S |
| 5.5 | 9,875 | 8.75 | 1,886 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 | Mar 6, 2017 | Feb 7, 2017 | 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 42-507-33276 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-33276 → 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.
Beyond the permit record
RRC UIC permits · H-10 reported volumes
Injection
- 0
- bbl, last 12 reported months
- 0
- bbl, all reported
- —
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000125563 | H-1 Injection | Not activated | 4,000 | 4,000 | 5,150–5,190 |
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/50733276, documented in the API reference.