WELL · 42-167-01507 · DISTRICT 3
Stewart Maco -a- 300 #2
Galveston County · Gillock (Big Gas) field · Injection · Vertical
Stewart Maco -A- 300 #2 (API 42-167-01507) is a well in Galveston County operated by Gcows Operating LLC, completed November 22, 1983 and listed as injection on the RRC schedule.
The RRC has issued one drilling permit, issued November 22, 1983, permitted to 8,671 ft.
It was permitted by Amoco Production CO.-Alvin and has since transferred to Gcows Operating LLC on the wellbore schedule.
Completion filings report 2 formation tops, including Miocene (undifferentiated), Frio.
Its lease has reported 1.02M barrels of oil and 243K mcf of gas since January 1993, last reporting in July 2026. The lease carries 9 wells, so these are lease totals, not this well alone.
It holds an active disposal or injection permit, with 256K barrels injected in the 12 months reported through October 2025.
Operator of record
Permitted by Amoco Production Co.-Alvin; the EWA schedule now lists a different operator.
Montgomery, TX · P-5 Y, filed Jan 4, 2026 · 1 permits on file · (713) 882-1616
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Gcows Operating LLC |
| Production reports | Gcows Operating LLCthrough Apr 2026 |
| Latest permit | Amoco Production Co.-AlvinNov 22, 1983 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 8,671
- total depth, ft
- 1
- permits on file
- Nov 22, 1983
- last permit issued
- Nov 22, 1983
- completed
- 1.02M
- cumulative oil, bbl
- 243K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Nov 22, 1983
- 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 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Stewart, Maco -a- 300 O-3-1631 | Gillock (Big Gas) | Gcows Operating LLC | 9 | 1.02M | 243K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 42,475 · prior 12 34,577(+23%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1MW Petroleum CorporationJan 1993 → Mar 1998
- 2Tri-Union Development Corp.Apr 1998 → Oct 2004
- 3Texcal Energy (GP) LLCNov 2004 → Oct 2006
- 4Smith Energy 1986A PartnershipNov 2006 → Nov 2006
- 5Denbury Onshore, LLCDec 2006 → Dec 2013
- 6Sawtooth Operating Co., Inc.Feb 2014 → Feb 2024
- 7Gcows Operating LLCApr 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 221809-99 | Recompletion | Amoco Production Co.-Alvin | Nov 18, 1983 | Nov 22, 1983 | — | 8,671 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-1631 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 18 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Miocene (undifferentiated)MIOCENE | 2,000 | -1,982 |
| Frio | 6,800 | -6,782 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 5,240 | 5,250 | Perforated |
| 5,385 | 5,405 | Perforated |
| 5,385 | 5,475 | Perforated |
| 5,455 | 5,475 | Perforated |
| 5,815 | 5,835 | Perforated |
| 6,280 | 6,290 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 7 | 103 | 9.5 | 450 S |
| 10.75 | 275 | 15 | — |
| 10.75 | 2,751 | 15 | 1,840 S |
| 6.625 | 7,465 | 9.5 | 450 S |
| 6.625 | 7,565 | 9.5 | 450 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 | Jun 20, 2018 | Jun 11, 2018 | — |
| 00 | Nov 7, 2008 | Jan 22, 2008 | — |
| 00 | Feb 12, 2002 | Jan 17, 2002 | — |
| 00 | Sep 30, 1994 | Sep 2, 1994 | — |
| 00 | Jul 5, 1993 | Jun 22, 1993 | — |
| 00 | Jun 3, 1988 | May 16, 1988 | — |
| 00 | Jan 12, 1984 | — | — |
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 42-167-01507 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-167-01507 → 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
- 256K
- bbl, last 12 reported months
- 4.06M
- bbl, all reported
- Oct 2025
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000050431 | W-14 Disposal | Active | 700 | 1,200 | 2,400–7,400 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 255,500 · prior 12 169,580(+51%)
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/16701507, documented in the API reference.