WELL · 42-013-34081 · DISTRICT 1
Butts & Sawyer #1
Atascosa County · Pleasanton South (Edwards Lime) field · Producing · Vertical
Butts & Sawyer #1 (API 42-013-34081) is a well in Atascosa County operated by Mazco Energy LLC, completed June 27, 1997 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued March 18, 1997, permitted to 9,000 ft.
It was permitted by Pedeco, Inc. and has since transferred to Mazco Energy LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Austin Chalk, Eagle Ford, Buda, Del Rio.
Its lease has reported 148K barrels of oil and 196K mcf of gas since June 1997, last reporting in July 2026.
Operator of record
Permitted by Pedeco, Inc.; the EWA schedule now lists a different operator.
San Antonio, TX · P-5 Y, filed Sep 4, 2025 · 1 permits on file · (210) 460-9481
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Mazco Energy LLC |
| Production reports | Mazco Energy LLCthrough Apr 2026 |
| Latest permit | Pedeco, Inc.Mar 18, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 9,000
- total depth, ft
- 1
- permits on file
- Mar 18, 1997
- last permit issued
- Jun 27, 1997
- completed
- 148K
- cumulative oil, bbl
- 196K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jun 1997 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Jun 27, 1997
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
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 |
|---|---|---|---|---|---|---|
| Butts & Sawyer O-1-14135 | Pleasanton, South (Edwards Lime) | Mazco Energy LLC | 1 | 148K | 196K | Jun 1997 – Jul 2026 |
Oil, barrels lease total
Last 12 months 3,251 · prior 12 3,072(+6%)
Gas, mcf lease total
Last 12 months 2,357 · prior 12 2,457(-4%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Pedeco, Inc.Jun 1997 → May 2002
- 2Spur Operating Co.Jun 2002 → Jul 2002
- 3Wen-BESep 2002 → Jan 2004
- 4Excalibur E & P, LLCFeb 2004 → Dec 2005
- 5Enhanced Energy Partners CorpJan 2006 → Jun 2013
- 6Cedar Energy Services, LLCJul 2013 → Dec 2013
- 7Five-Jab, Inc.Jan 2014 → Nov 2018
- 8Daylight Petroleum LLCFeb 2019 → Dec 2021
- 9Mazco Energy LLCJul 2022 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 460035-99 | Drill | Pedeco, Inc. | Mar 18, 1997 | Mar 18, 1997 | Apr 20, 1997 | 9,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-14135 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 351 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Austin Chalk | 7,464 | -7,113 |
| Eagle FordEAGLEFORD | 7,812 | -7,461 |
| Buda | 7,830 | -7,479 |
| Del Rio | 7,930 | -7,579 |
| Georgetown | 7,984 | -7,633 |
| Edward | 8,110 | -7,759 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,149 | 8,151 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,984 | 12.25 | 660 S |
| 5.5 | 8,380 | 7.875 | 885 S |
| 5.5 | — | 7.875 | 1,165 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 | Oct 29, 1997 | Oct 8, 1997 | Yes |
| 00 | Oct 20, 1997 | — | — |
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 42-013-34081 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-013-34081 → 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/01334081, documented in the API reference.