TEXAS · WELLS · ZAPATA COUNTY · MARSHALL, S.G. LEASE · API 42-505-33407 · DISTRICT 04
Marshall S.G. #19
Zapata County · Cisco-Benavides (Lobo Cons.) field · Vertical
Marshall S.G. #19 (API 42-505-33407) is a plugged well in Zapata County, plugged October 30, 2006, last operated by Chevron U. S. A. Inc..
The RRC has issued one drilling permit, issued February 21, 1996, permitted to 12,200 ft.
Completion filings report 2 formation tops, including Lobo Unconformity, Lobo 6.
Its lease has reported 1.5M mcf of gas since April 1996, with no volume in the three years through April 2026.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 30, 2026
- Permits on file
- 9,294
- Phone
- (866) 212-1212
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Chevron U. S. A. Inc. |
| Production reports | Chevron U. S. A. Inc.through Apr 2006 |
| Latest permit | Chevron U. S. A. Inc.Feb 21, 1996 |
- 12,200
- total depth, ft
- 1
- permits on file
- Feb 21, 1996
- last permit issued
- Apr 8, 1998
- completed
- 0
- cumulative oil, bbl
- 1.5M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 1996 THROUGH Apr 2006
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 8, 1998
- Shut in
- —
- Plugged
- Oct 30, 2006
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 |
|---|---|---|---|---|---|---|
| Marshall, S.G. G-4-157672 | Cisco-Benavides (Lobo Cons.) | Chevron U. S. A. Inc. | 1 | 0 | 1.5M | Apr 1996 – Apr 2006 |
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.
- 1Chevron U. S. A. Inc.Apr 1996 → Apr 2006
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 445041-99 | Drill | Chevron U. S. A. Inc. | Feb 21, 1996 | Feb 21, 1996 | Mar 6, 1996 | 12,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 8, 1998 | Marshall S.G. G-4-157672 | Cisco-Benavides (Lobo Cons.) | Chevron U. S. A. Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 407 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Lobo Unconformity | 9,400 | -8,993 |
| Lobo 6 | 10,820 | -10,413 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,693 | 9,698 | Perforated |
| 10,818 | 10,844 | Perforated |
| 10,890 | 10,907 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 1,074 | 12.25 | 350 S |
| 7 | 7,313 | 8.75 | 250 S |
| 2.875 | 10,997 | 6.125 | 620 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | May 14, 1998 | Apr 29, 1998 | — |
| 00 | Jun 10, 1996 | Apr 22, 1996 | Yes |
| 00 | Apr 25, 1996 | — | — |
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 42-505-33407 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-33407 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it.
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/50533407, documented in the API reference.