WELL · 42-507-32767 · DISTRICT 1
Chittim #F 1H
Zavala County · Briscoe Ranch (Eagleford) field · Horizontal
Chittim #F 1H (API 42-507-32767) is a horizontal well in Zavala County operated by Blackbrush O & G LLC, completed April 3, 2011.
The RRC has issued one drilling permit (amended once), issued November 29, 2010, permitted to 10,250 ft.
It was permitted by Shell Western E&P and has since transferred to Blackbrush O & G LLC on the wellbore schedule.
Completion filings report 3 formation tops, including Austin Chalk, Eagle Ford, Buda.
Its 2 leases have reported 897K barrels of oil and 2.27M mcf of gas since December 2010, last reporting in July 2026. The leases carry 11 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Shell Western E&P; the EWA schedule now lists a different operator.
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 | Shell Western E&PNov 29, 2010 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,250
- total depth, ft
- 2
- permits on file
- Nov 29, 2010
- last permit issued
- Apr 3, 2011
- completed
- 897K
- cumulative oil, bbl
- 2.27M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 3, 2011
- Shut in
- —
- Plugged
- —
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 11 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 |
| Chittim O-1-15456 | Briscoe Ranch (Eagleford) | Blackbrush O & G, LLC | 3 | 4.9K | 0 | Dec 2010 – Dec 2016 |
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.
- 1Shell Western E&PJan 2011 → May 2011
- 2Blackbrush O & G, LLCJul 2013 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 705275-98 | Drill | Shell Western E&P | Jul 14, 2011 | Nov 29, 2010 | Jan 26, 2011 | 10,250 |
| 705275-99 | Drill | Shell Western E&P | Nov 12, 2010 | Nov 29, 2010 | Jan 26, 2011 | 5,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-15456 | — | — | — | — |
| — | — O-1-16989 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 664 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 3,137 | -2,473 |
| Eagle FordEAGLEFORD | 4,321 | -3,657 |
| Buda | 4,634 | -3,970 |
| Austin Chalk | — | — |
| Buda | — | — |
| Eagle FordEAGLEFORD | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,488 | 10,085 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,990 | 13.5 | 1,120 S |
| 5.5 | 10,231 | 8.75 | 2,331 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 19, 2013 | Sep 18, 2013 | — |
| 00 | Sep 13, 2013 | May 10, 2011 | Yes |
| 00 | Nov 16, 2011 | May 10, 2011 | 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 42-507-32767 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-32767 → 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.
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/50732767, documented in the API reference.