WELL · 42-177-31799 · DISTRICT 1
E. E. Smith Unit 1 #1
Gonzales County · First Shot (Austin Chalk) field · Producing · Horizontal · Sidetrack
E. E. Smith Unit 1 #1 (API 42-177-31799) is a horizontal well in Gonzales County operated by Zarvona Energy LLC, completed February 29, 2000 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits (amended once) between 1990 and 2000, permitted to 13,300 ft.
It was permitted by Gruy Petroleum Management CO. and has since transferred to Zarvona Energy LLC on the wellbore schedule.
Completion filings report 6 formation tops, including Poth, Navarro, Taylor, Anacacho.
Its lease has reported 291K barrels of oil and 140K mcf of gas since January 1993, last reporting in July 2026.
Operator of record
Permitted by Gruy Petroleum Management Co.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Mar 4, 2026 · 98 permits on file · (713) 600-0600
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Zarvona Energy LLC |
| Production reports | Zarvona Energy LLCthrough Apr 2026 |
| Latest permit | Gruy Petroleum Management Co.Jan 20, 2000 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,300
- total depth, ft
- 3
- permits on file
- Jan 20, 2000
- last permit issued
- Feb 29, 2000
- completed
- 291K
- cumulative oil, bbl
- 140K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 29, 2000
- 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 |
|---|---|---|---|---|---|---|
| E. E. Smith Unit 1 O-1-12959 | First Shot (Austin Chalk) | Zarvona Energy LLC | 1 | 291K | 140K | Jan 1993 – Jul 2026 |
Oil, barrels lease total
Last 12 months 11,072 · prior 12 10,052(+10%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Wainoco Oil & Gas CompanyJan 1993 → Nov 1993
- 2Magnum Petroleum, Inc.Dec 1993 → Apr 1995
- 3Jena Operating Company, Inc.May 1995 → Sep 1995
- 4Gruy Petroleum Management Co.Oct 1995 → Apr 2006
- 5Cimarex Energy Co. of ColoradoMay 2006 → Aug 2015
- 6Earthstone Operating, LLCSep 2015 → Nov 2023
- 7Zarvona Energy LLCDec 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 491233-99 | Recompletion · sidetrack | Gruy Petroleum Management Co. | Jan 20, 2000 | Jan 20, 2000 | Jan 28, 2000 | 9,200 |
| 376609-98 | Drill | Wainoco Oil & Gas Company | Sep 4, 1990 | Aug 14, 1990 | Oct 19, 1990 | 13,300 |
| 376609-99 | Drill | Wainoco Oil & Gas Company | Aug 14, 1990 | Aug 14, 1990 | — | 13,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-12959 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 376 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Poth | 6,328 | -5,952 |
| Navarro | 7,214 | -6,838 |
| TaylorTAYLOR SHALE | 7,965 | -7,589 |
| Anacacho | 8,507 | -8,131 |
| Anacaho | 8,507 | -8,131 |
| Austin Chalk | 8,710 | -8,334 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,018 | 12,999 | Open hole |
| 9,700 | 14,860 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 40 | 24 | — |
| 13.375 | 947 | 17.5 | 810 S |
| 9.625 | 9,018 | 12.25 | 540 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 | Feb 27, 2001 | Jul 3, 2000 | Yes |
| 00 | Apr 22, 1991 | Jan 17, 1991 | Yes |
| 00 | Apr 16, 1991 | — | — |
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 42-177-31799 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-177-31799 → 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/17731799, documented in the API reference.