WELL · 42-003-37639 · DISTRICT 8
Negro Perro #1
Andrews County · Blackdog (Penn) field · Producing · Directional · Sidetrack
Negro Perro #1 (API 42-003-37639) is a well in Andrews County operated by Tacor Resources Inc, completed August 27, 1995 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended once), issued April 27, 1995, permitted to 11,050 ft.
It was permitted by Phillips Petroleum Company and has since transferred to Tacor Resources Inc on the wellbore schedule.
Completion filings report 6 formation tops, including Yates, San Andres, Tubb, Silurian (undifferentiated).
Its lease has reported 137K barrels of oil and 103K mcf of gas since August 1995, last reporting in July 2026.
Operator of record
Permitted by Phillips Petroleum Company; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Nov 4, 2025 · 29 permits on file · (432) 631-8074
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Tacor Resources Inc |
| Production reports | Tacor Resources Incthrough Apr 2026 |
| Latest permit | Phillips Petroleum CompanyApr 27, 1995 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 11,050
- total depth, ft
- 2
- permits on file
- Apr 27, 1995
- last permit issued
- Aug 27, 1995
- completed
- 137K
- cumulative oil, bbl
- 103K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Aug 1995 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Aug 27, 1995
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Negro, Perro O-10-34659 | Blackdog (Penn) | Tacor Resources Inc | 1 | 137K | 103K | Aug 1995 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,619 · prior 12 1,747(-7%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Phillips Petroleum CompanyAug 1995 → May 2000
- 2Scythian, Ltd.Jun 2000 → Oct 2003
- 3Tacor Resources IncNov 2003 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 435298-98 | Drill · sidetrack | Phillips Petroleum Company | Jun 21, 1995 | Apr 27, 1995 | — | 11,050 |
| 435298-99 | Drill | Phillips Petroleum Company | Apr 27, 1995 | Apr 27, 1995 | May 12, 1995 | 11,050 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-34659 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,366 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,864 | 502 |
| San Andres | 4,351 | -985 |
| Tubb | 6,519 | -3,153 |
| Silurian (undifferentiated)SILURIAN | 8,268 | -4,902 |
| Simpson | 9,931 | -6,565 |
| Ellenburger | 10,540 | -7,174 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,136 | 8,164 | Perforated |
| 8,176 | 8,200 | Perforated |
| 8,206 | 8,212 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,708 | 17.5 | 1,450 S |
| 8.625 | 4,850 | 11 | 1,600 S |
| 5.5 | 10,794 | 7.875 | 915 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 | Nov 22, 1995 | Sep 22, 1995 | Yes |
| 00 | Oct 19, 1995 | — | — |
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 42-003-37639 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-37639 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. 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/00337639, documented in the API reference.