TEXAS · WELLS · MATGRDA IS-LB COUNTY · API 42-703-30139 · DISTRICT 03
State Lease #526-L #A-2
Matgrda IS-LB County · Cavallo (9100) field · Vertical
State Lease #526-L #A-2 (API 42-703-30139) is a plugged well in Matgrda IS-LB County, plugged July 13, 1988, last operated by Oxy USA Inc..
The RRC has issued one drilling permit, issued March 8, 1978, permitted to 13,935 ft.
It was permitted by Cities Service Company and has since transferred to Oxy USA Inc. on the wellbore schedule.
Operator of record
Permitted by Cities Service Company; the EWA schedule now lists a different operator.
- Based in
- Houston, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jan 26, 2026
- Permits on file
- 3,316
- Phone
- (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | OXY USA Inc. |
| Production reports | none |
| Latest permit | Cities Service CompanyMar 8, 1978 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,935
- total depth, ft
- 1
- permits on file
- Mar 8, 1978
- last permit issued
- Mar 15, 1980
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 15, 1980
- Shut in
- —
- Plugged
- Jul 13, 1988
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.
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 19585-99 | Drill | Cities Service Company | Mar 8, 1978 | Mar 8, 1978 | Jul 10, 1978 | 13,935 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 15, 1980 | State Lease #526-L G-3-88304 | Cavallo (9100) | OXY USA Inc. | Plugged | — |
| Oct 15, 1978 | State Lease 74561 O-3-12308 | Wildcat | Cities Service Company | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,547 | 10,561 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 30 | 345 | — | — |
| 20 | 1,033 | 26 | 1,500 S |
| 13.375 | 5,032 | 17.5 | 2,800 S |
| 3.5 | 10,520 | — | — |
| 9.625 | 11,500 | 12.25 | 2,700 S |
| 9.625 | 11,505 | 12.25 | 2,700 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 | Jan 12, 1984 | Apr 16, 1980 | — |
| 00 | Jan 12, 1984 | Jun 4, 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 42-703-30139 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-703-30139 → 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/70330139, documented in the API reference.