WELL · 42-505-30254 · DISTRICT 4

McCampbell E.A. #1274

N

Zapata County · Alworth(wilcox Hinnant 1ST) field  · Vertical

Mccampbell E.A. #1274 (API 42-505-30254) is a well in Zapata County operated by Altalay Stx LLC, completed April 7, 1975.

The RRC has issued one drilling permit, issued November 9, 2022, permitted to 7,700 ft.

Completion filings report 6 formation tops, including Miocene (undifferentiated), Jackson, Yegua, Cook Mountain.

No lease production has been reported under this well’s leases.

Operator of record

Altalay STX LLC

Guaynabo, PR · P-5 Y, filed Feb 4, 2026 · 7 permits on file · (956) 265-6494

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleAltalay STX LLC
Production reportsAltalay STX LLCthrough Mar 2026
Latest permitAltalay STX LLCNov 9, 2022
7,700
total depth, ft
1
permits on file
Nov 9, 2022
last permit issued
Apr 7, 1975
completed
0
cumulative oil, bbl
305K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Apr 7, 1975
Shut in
—
Plugged
—

Surface location

26.909960, -98.966329

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Zapata County.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH APR 2026

Texas reports oil by lease, not by well. These are the 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
McCampbell, E. A. G-4-294743Alworth (Queen City)Altalay STX LLC106.47KNov 2022 – Jul 2026
McCampbell, E.A. G-4-65065Alworth(wilcox, Hinnant 1ST)Altalay STX LLC10299KJan 1993 – Nov 2022

Gas, mcf lease total

Last 12 months 970 · prior 12 1,363(-29%)

0100200300202420252026

Chain of custody

Every operator that reported production on this well's lease, in order.

  1. 1Stivers IncJan 1993 → May 2003
  2. 2Stephens & Johnson Operating Co.Jun 2003 → Jun 2020
  3. 3Laguna Operating LLCJul 2020 → Oct 2021
  4. 4Altalay STX LLCSep 2022 → Mar 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
885511-99RecompletionAltalay STX LLCNov 3, 2022Nov 9, 2022—7,700

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-4-65065————
—— G-4-294743————

Formation tops

As filed on W-2/G-1. Subsea from 529 ft elevation.Download CSV →

FormationMD ftSubsea
Miocene (undifferentiated)MIOCENE-LAGARTO-OAKVILLE - INJEC1,950-1,421
Jackson2,000-1,471
YeguaYEGUA - INJECTION/DISPOSAL2,180-1,651
Cook Mountain3,800-3,271
Queen CityQUEEN CITY - INJECTION/DISPOSAL;5,740-5,211
WilcoxWILCOX - INJECTION/DISPOSAL11,000-10,471

Perforations

Perforated and open-hole intervals.

FromToType
5,6005,738Perforated
5,8645,872Perforated
6,1056,215Perforated
6,4026,718Perforated
7,0067,199Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,27017.5700 S
9.6257,80012.251,500 S
5.515,0808.52,400 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 →

SuffixFiledW-2 / G-1 dateLogs referenced
00Jun 12, 2023May 23, 2023—
00Jan 12, 1984Jan 26, 1976—

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.

Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward). then paste it into their search.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Welch, Robert A. Foundation42-505-36632

3.3 KM · Altalay STX LLC · Section with this well →

Miocene (undifferentiated)1,939-1,446
Yegua2,178-1,685
Cook Mountain4,034-3,541
Queen City5,608-5,115
Wilcox—
Jackson—

Lopez, Lauro42-247-32234

3.5 KM · Millennium Exploration Co. LLC · Section with this well →

Yegua2,305-1,734
Jackson2,800-2,229
Claiborne-Yegua - Injection/Disp3,870-3,299
Claiborne-Cook Mountain4,970-4,399
Queen City6,010-5,439
Claiborne-Queen City6,010-5,439
Catahoula—
Catahoula—

11 TOPS · FIRST 8

Lopez42-247-32488

7.4 KM · Charro Operating, L.L.C. · Section with this well →

Jackson2,676-2,093
Claiborne-Pettus - Injection/Dis2,990-2,407
Claiborne-Yegua - Injection/Disp3,405-2,822
Claiborne-Cook Mountain4,620-4,037
Claiborne-Queen City6,760-6,177
Miocene (undifferentiated)—
Vicksburg—
Catahoula—

9 TOPS · FIRST 8

Garza, M., Estate42-247-32485

8.8 KM · C & G Operating, LLC · Section with this well →

Miocene (undifferentiated)800-319
Catahoula950-469
Jackson1,023-542
Claiborne-Yegua - Injection/Disp—
Vicksburg—
Claiborne-Queen City—
Claiborne-Pettus - Injection/Dis—
Claiborne-Cook Mountain—

9 TOPS · FIRST 8

Pinnell Yturria42-247-32483

9.0 KM · Charro Operating, L.L.C. · Section with this well →

Hockley2,106-1,466
Loma Novia2,740-2,100
Mirando2,918-2,278
Jackson—
Catahoula—
Claiborne-Yegua - Injection/Disp—
Claiborne-Pettus - Injection/Dis—
Catahoula—

10 TOPS · FIRST 8

Pinnell Yturria42-247-32486

9.2 KM · Charro Operating, L.L.C. · Section with this well →

Catahoula1,090-447
Vicksburg1,600-957
Jackson1,940-1,297
Hockley2,148-1,505
Loma Novia2,780-2,137
Claiborne-Pettus - Injection/Dis—
Claiborne-Yegua - Injection/Disp—
Miocene (undifferentiated)—

10 TOPS · FIRST 8

Pinnell Yturria42-247-32484

9.3 KM · Charro Operating, L.L.C. · Section with this well →

Catahoula55230
Catahoula725-143
Vicksburg1,025-443
Jackson1,530-948
Claiborne-Yegua - Injection/Disp3,020-2,438
Claiborne-Pettus - Injection/Dis3,100-2,518
Claiborne-Cook Mountain4,725-4,143
Claiborne-Queen City6,672-6,090

9 TOPS · FIRST 8

Pinnell Yturria42-247-32482

10.7 KM · Charro Operating, L.L.C. · Section with this well →

Jackson1,783-1,100
Claiborne-Yegua - Injection/Disp3,365-2,682
Claiborne-Cook Mountain5,106-4,423
Claiborne-Queen City7,100-6,417
Vicksburg—
Claiborne-Pettus - Injection/Dis—
Miocene (undifferentiated)—
Catahoula—

9 TOPS · FIRST 8

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/50530254, documented in the API reference.