WELL · 42-459-31204 · DISTRICT 6
McCaslin-Hall #1
Upshur County · Cedar Springs (Cot. Valley Lo.) field · Producing · Vertical
Mccaslin-Hall #1 (API 42-459-31204) is a well in Upshur County operated by Buffco Production Inc., completed May 25, 2005 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued July 27, 2004, permitted to 12,000 ft.
It was permitted by Key Production Company, Inc. and has since transferred to Buffco Production Inc. on the wellbore schedule.
Completion filings report 5 formation tops, including Massive Anhydrite (marker), Rodessa, Travis Peak, Cotton Valley.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Key Production Company, Inc.; the EWA schedule now lists a different operator.
Longview, TX · P-5 Y, filed Sep 4, 2025 · 396 permits on file · (903) 736-4697
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Buffco Production Inc. |
| Production reports | Buffco Production Inc.through Apr 2026 |
| Latest permit | Key Production Company, Inc.Jul 27, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 1
- permits on file
- Jul 27, 2004
- last permit issued
- May 25, 2005
- completed
- 0
- cumulative oil, bbl
- 3.49M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · May 2005 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 25, 2005
- 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 |
|---|---|---|---|---|---|---|
| McCaslin-Hall G-6-211626 | Cedar Springs (Cot. Valley, Lo.) | Buffco Production Inc. | 1 | 0 | 3.49M | May 2005 – Jul 2026 |
Gas, mcf lease total
Last 12 months 80,649 · prior 12 44,573(+81%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Key Production Company, Inc.Jun 2005 → Jan 2006
- 2Maximus Operating, Ltd.Feb 2006 → Oct 2022
- 3Buffco Production Inc.Nov 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 548712-99 | Drill | Key Production Company, Inc. | Jul 23, 2004 | Jul 27, 2004 | Mar 10, 2005 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-211626 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 433 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Massive Anhydrite (marker)MASSIVE ANHYDRITE | 7,000 | -6,567 |
| Rodessa | 7,240 | -6,807 |
| Travis Peak | 8,030 | -7,597 |
| Cotton ValleyCOTTON VALLEY SAND | 9,630 | -9,197 |
| Bossier | 11,095 | -10,662 |
| Cotton ValleyCOTTON VALLEY LIME | 11,600 | -11,167 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 11,824 | 11,826 | Perforated |
| 11,838 | 11,844 | Perforated |
| 11,852 | 11,856 | Perforated |
| 11,860 | 11,866 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,700 | 12.25 | 622 S |
| 4.5 | 11,942 | 7.875 | 493 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 | Dec 20, 2005 | Jun 9, 2005 | Yes |
| 00 | Oct 19, 2005 | — | — |
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 42-459-31204 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-459-31204 → 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/45931204, documented in the API reference.