WELL · 42-203-33960 · DISTRICT 6
Left Center #1
Harrison County · Oak Hill (Cotton Valley) field · Producing · Vertical
Left Center #1 (API 42-203-33960) is a well in Harrison County operated by Buffco Production Inc., completed July 29, 2007 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 16, 2007, permitted to 11,000 ft.
It was permitted by Chalker Energy Management II,LLC and has since transferred to Buffco Production Inc. on the wellbore schedule.
Completion filings report 6 formation tops, including B-Ferry Lake, T-Sligo Lm, T-Travis Peak, T-Cotton Valley.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Chalker Energy Management Ii,llc; the EWA schedule now lists a different operator.
Longview, TX · P-5 Y, filed Sep 4, 2025 · 397 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 | Chalker Energy Management Ii,llcMay 16, 2007 |
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
- May 16, 2007
- last permit issued
- Jul 29, 2007
- completed
- 0
- cumulative oil, bbl
- 645K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jul 2007 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jul 29, 2007
- 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 |
|---|---|---|---|---|---|---|
| Left Center G-6-231745 | Oak Hill (Cotton Valley) | Buffco Production Inc. | 1 | 0 | 645K | Jul 2007 – Jul 2026 |
Gas, mcf lease total
Last 12 months 13,949 · prior 12 0
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chalker Energy Management Ii,llcJul 2007 → Dec 2007
- 2NFR Energy, LLCJan 2008 → Jan 2013
- 3Sabine Oil & Gas LLCFeb 2013 → Mar 2015
- 4Sabine Oil & Gas CorporationApr 2015 → Feb 2022
- 5Craton Operating LLCMar 2022 → Feb 2024
- 6Buffco Production Inc.Aug 2025 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 638670-99 | Drill | Chalker Energy Management Ii,llc | May 8, 2007 | May 16, 2007 | Jun 19, 2007 | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-6-231745 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 362 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| B-Ferry Lake | 6,665 | -6,303 |
| T-Sligo LM | 7,372 | -7,010 |
| T-Travis Peak | 7,646 | -7,284 |
| T-Cotton Valley | 9,250 | -8,888 |
| B-"b" Lime | 9,474 | -9,112 |
| T-Bossier | 10,936 | -10,574 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,643 | 10,647 | Perforated |
| 10,658 | 10,660 | Perforated |
| 10,754 | 10,758 | Perforated |
| 10,778 | 10,782 | Perforated |
| 10,852 | 10,856 | Perforated |
| 10,868 | 10,872 | Perforated |
| 10,878 | 10,880 | Perforated |
| 10,884 | 10,887 | Perforated |
| 10,892 | 10,896 | Perforated |
| 10,944 | 10,946 | Perforated |
| 10,958 | 10,960 | Perforated |
| 10,992 | 10,994 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,051 | 11 | 351 S |
| 5.5 | 11,106 | 7.875 | 880 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 | Jan 11, 2008 | Sep 28, 2007 | Yes |
| 00 | Dec 20, 2007 | — | — |
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 42-203-33960 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-203-33960 → 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/20333960, documented in the API reference.