TEXAS · WELLS · MATGRDA IS-LB COUNTY · API 42-703-30070 · DISTRICT 03
State Lease #526-L #A1
Matgrda IS-LB County · Cavallo (9200) field · Vertical
State Lease #526-L #A1 (API 42-703-30070) is a plugged well in Matgrda IS-LB County, plugged July 12, 1988, last operated by Oxy USA Inc..
The RRC has issued 2 drilling permits between 1977 and 1980, permitted to 14,100 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 CompanyJul 15, 1980 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 14,100
- total depth, ft
- 2
- permits on file
- Jul 15, 1980
- last permit issued
- Apr 10, 1980
- completed
- —
- cumulative oil, bbl
- —
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 10, 1980
- Shut in
- —
- Plugged
- Jul 12, 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 |
|---|---|---|---|---|---|---|
| 86731-99 | Other | Cities Service Company | Jul 15, 1980 | Jul 15, 1980 | — | 14,100 |
| 12182-99 | Drill | Cities Service Company | Nov 16, 1977 | Nov 16, 1977 | Mar 30, 1978 | 14,056 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 10, 1980 | State Lease #526-L G-3-88303 | Cavallo (9200) | OXY USA Inc. | Plugged | — |
| Apr 10, 1980 | State Lease 74561 G-3-90879 | Cavallo (8200) | OXY USA Inc. | Plugged | — |
| Jul 4, 1978 | State Lease 74561 O-3-12308 | Wildcat | Cities Service Company | Plugged | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,371 | 10,413 | Perforated |
| 11,503 | 11,591 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 30 | 353 | — | — |
| — | 353 | — | — |
| 20 | 1,044 | 26 | 1,300 S |
| — | 1,044 | 26 | 1,300 S |
| 13.375 | 3,388 | 17.5 | 1,900 S |
| 2.875 | 9,810 | — | — |
| 9.625 | 10,190 | 12.25 | 2,100 S |
| 9.625 | 10,190 | 12.75 | 2,100 S |
| 3.5 | 11,100 | — | — |
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 | Jan 12, 1984 | Dec 8, 1980 | — |
| 00 | Jan 12, 1984 | Jun 9, 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 42-703-30070 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-703-30070 → 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/70330070, documented in the API reference.