WELL · 42-321-32177 · DISTRICT 3
Zapalac Gas Unit #1
Matagorda County · Lario (10400) field · Vertical
Zapalac Gas Unit #1 (API 42-321-32177) is a plugged well in Matagorda County, plugged March 10, 2017, last operated by Gulf Coast Acquisitions CO. L.C..
The RRC has issued one drilling permit, issued June 28, 2007, permitted to 12,000 ft.
It was permitted by Samson Lone Star LP and has since transferred to Gulf Coast Acquisitions CO. L.C. on the wellbore schedule.
Completion filings report 4 formation tops, including Frio, Nonion Struma, Nod. Blan., Tex. Miss..
Operator of record
Gulf Coast Acquisitions Co. L.C.
Permitted by Samson Lone Star LP; the EWA schedule now lists a different operator.
Refugio, TX · P-5 Y, filed Jul 6, 2018 · 6 permits on file · (361) 319-9599
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Gulf Coast Acquisitions Co. L.C. |
| Production reports | Samson Lone Star, LLCthrough Mar 2010 |
| Latest permit | Samson Lone Star LPJun 28, 2007 |
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
- Jun 28, 2007
- last permit issued
- Nov 26, 2007
- completed
- 0
- cumulative oil, bbl
- 486K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2007 THROUGH Mar 2017
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Nov 26, 2007
- Shut in
- —
- Plugged
- Mar 10, 2017
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 |
|---|---|---|---|---|---|---|
| Zapalac Gas Unit G-3-233372 | Lario (10400) | Gulf Coast Acquisitions Co. L.C. | 1 | 0 | 486K | Nov 2007 – Mar 2017 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Samson Lone Star, LLCJan 2008 → Mar 2010
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 640912-99 | Drill | Samson Lone Star LP | Jun 18, 2007 | Jun 28, 2007 | Oct 16, 2007 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-3-233372 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 40 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| FrioTOP FRIO | 7,142 | -7,102 |
| Nonion Struma | 7,890 | -7,850 |
| Nod. Blan. | 8,290 | -8,250 |
| Tex. Miss. | 8,810 | -8,770 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,920 | 9,940 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 2,062 | 12.25 | 845 S |
| 4.5 | 10,050 | 8.75 | 780 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 | Mar 10, 2008 | Jan 24, 2008 | Yes |
| 00 | Feb 29, 2008 | — | — |
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 42-321-32177 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-321-32177 → 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
- 0
- bbl, last 12 reported months
- 0
- bbl, all reported
- —
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000103959 | W-14 Disposal | Plugged Mar 20, 2017 | 10,000 | 1,600 | 3,350–3,850 |
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/32132177, documented in the API reference.