WELL · 42-157-31979 · DISTRICT 3
Robinson #143
Fort Bend County · Blue Ridge field · Shut IN · Vertical
Robinson #143 (API 42-157-31979) is a well in Fort Bend County operated by ZK Petroleum CO. L.L.C., completed May 4, 1997 and listed as shut in on the RRC schedule.
The RRC has issued one drilling permit, issued March 25, 1997, permitted to 4,500 ft.
It was permitted by American Energy OP. Corp.,The and has since transferred to ZK Petroleum CO. L.L.C. on the wellbore schedule.
Completion filings report one formation top, including Frio.
Its lease has reported 478K barrels of oil and 1.98K mcf of gas since November 1996, last reporting in July 2026. The lease carries 22 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by American Energy Op. Corp.,the; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Feb 4, 2026 · 57 permits on file · (281) 619-4639
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | ZK Petroleum Co. L.L.C. |
| Production reports | ZK Petroleum Co., L.L.C.through Mar 2026 |
| Latest permit | American Energy Op. Corp.,theMar 25, 1997 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,500
- total depth, ft
- 1
- permits on file
- Mar 25, 1997
- last permit issued
- May 4, 1997
- completed
- 478K
- cumulative oil, bbl
- 1.98K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 1996 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 4, 1997
- 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; they carry 22 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Robinson O-3-23125 | Blue Ridge | ZK Petroleum Co., L.L.C. | 22 | 478K | 1.98K | Nov 1996 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,081 · prior 12 71(+1423%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1American Energy Op. Corp.,theNov 1996 → May 2003
- 2ZK Petroleum Co., L.L.C.Jun 2003 → Mar 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 460160-99 | Drill | American Energy Op. Corp.,the | Mar 20, 1997 | Mar 25, 1997 | Apr 11, 1997 | 4,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-3-23125 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 77 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Frio | 4,008 | -3,931 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,008 | 4,016 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 532 | 12.25 | 165 S |
| 4.5 | 4,482 | 7.875 | 720 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 | Oct 1, 1997 | Sep 12, 1997 | Yes |
| 00 | Sep 23, 1997 | — | — |
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 42-157-31979 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-157-31979 → 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/15731979, documented in the API reference.