WELL · 42-507-31079 · DISTRICT 1
Elaine Sand Oil Unit II #1
Zavala County · Cebolla (3660) field · Vertical
Elaine Sand Oil Unit II #1 (API 42-507-31079) is a plugged well in Zavala County, plugged October 28, 1997, last operated by Jennings Exploration Company.
The RRC has issued one drilling permit, issued December 21, 1978, permitted to 3,800 ft.
It was permitted by Grelling Investments and has since transferred to Jennings Exploration Company on the wellbore schedule.
Completion filings report 4 formation tops, including Lit, Del Monte, Bracero, Elaine (3660').
Operator of record
Permitted by Grelling Investments; the EWA schedule now lists a different operator.
Beeville, TX · P-5 Y, filed Mar 4, 2026 · 133 permits on file · (361) 362-3529
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Jennings Exploration Company |
| Production reports | none |
| Latest permit | Grelling InvestmentsDec 21, 1978 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 3,800
- total depth, ft
- 1
- permits on file
- Dec 21, 1978
- last permit issued
- May 30, 1988
- completed
- 0
- cumulative oil, bbl
- 0
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 1997
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 30, 1988
- Shut in
- —
- Plugged
- Oct 28, 1997
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 |
|---|---|---|---|---|---|---|
| Elaine Sand Oil Unit II O-1-5844 | Cebolla (3660) | Jennings Exploration Company | 1 | 0 | 0 | Jan 1993 – Nov 1997 |
No volumes reported on these leases in the last three years.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 39356-99 | Drill | Grelling Investments | Dec 21, 1978 | Dec 21, 1978 | — | 3,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-1-5844 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 608 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lit | 2,763 | -2,155 |
| Del Monte | 3,372 | -2,764 |
| Bracero | 3,482 | -2,874 |
| Elaine (3660') | 3,600 | -2,992 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 3,618 | 3,636 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 133 | — | 150 S |
| 8.625 | 134 | 12.25 | 90 S |
| 2.375 | 3,554 | — | — |
| 4.5 | 3,693 | 6.5 | 350 S |
| 4.5 | 3,693 | 7.875 | 500 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 | May 18, 1989 | Apr 14, 1989 | — |
| 00 | Jan 12, 1984 | Jan 23, 1979 | — |
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 42-507-31079 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-507-31079 → 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
- 2.68K
- bbl, last 12 reported months
- 156K
- bbl, all reported
- Mar 1997
- reported through
| UIC | Kind | Status | Permitted bbl/d | Max psi | Zone ft |
|---|---|---|---|---|---|
| 000066211 | H-1 Injection | Plugged Nov 12, 1997 | 200 | 1,500 | 3,618–3,636 |
MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS
Last 12 months 2,680 · prior 12 11,950(-78%)
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/50731079, documented in the API reference.