WELL · 42-187-33702 · DISTRICT 1

Shanklin W. R. #1H

Y

Guadalupe County · Luling-Branyon field · Producing  · Horizontal

Shanklin W. R. #1H (API 42-187-33702) is a horizontal well in Guadalupe County operated by Texas Petroleum Investment CO., completed October 10, 2023 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued March 3, 2023, permitted to 2,350 ft.

Completion filings report 7 formation tops, including Austin Chalk, Buda, Edwards, Catahoula.

Its lease has reported 84.3K barrels of oil and 44 mcf of gas since January 1993, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.

Operator of record

Texas Petroleum Investment Co.

Houston, TX · P-5 Y, filed Jul 4, 2026 · 233 permits on file · (888) 214-3575

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleTexas Petroleum Investment Co.
Production reportsTexas Petroleum Investment Co.through Apr 2026
Latest permitTexas Petroleum Investment Co.Mar 3, 2023
2,350
total depth, ft
1
permits on file
Mar 3, 2023
last permit issued
Oct 10, 2023
completed
84.3K
cumulative oil, bbl
44
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 10, 2023
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

Surface location

29.681014, -97.761758

OpenStreetMap → ·  Google Maps →

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

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 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Shanklin, W. R. O-1-1103Luling-BranyonTexas Petroleum Investment Co.284.3K44Jan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 17,631 · prior 12 26,231(-33%)

02K4K6K202420252026

Chain of custody

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

  1. 1Meridian Oil Production Inc.Jan 1993 → Feb 1996
  2. 2Meridian Oil Inc.Mar 1996 → Jul 1996
  3. 3Burlington Resources Oil&gas Co.Aug 1996 → Mar 1997
  4. 4Vintage Petroleum, Inc.Apr 1997 → Apr 2006
  5. 5Vintage Petroleum, LLCMay 2006 → Sep 2006
  6. 6Texas Petroleum Investment Co.Oct 2006 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
888442-99DrillTexas Petroleum Investment Co.Feb 22, 2023Mar 3, 2023Sep 19, 20232,350

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-1-1103————

Formation tops

As filed on W-2/G-1. Subsea from 488 ft elevation.Download CSV →

FormationMD ftSubsea
Austin ChalkAUSTIN CHALK - H2S1,794-1,306
BudaBUDA - H2S2,010-1,522
EdwardsEDWARDS - H2S, DISPOSAL2,173-1,685
CatahoulaCATAHOULA - DISPOSAL——
FrioFRIO - DISPOSAL——
WoodbineWOODBINE - DISPOSAL——
YeguaYEGUA - DISPOSAL——

Perforations

Perforated and open-hole intervals.

FromToType
2,4944,230Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
7.6252,4949.875590 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
00Feb 23, 2024Feb 6, 2024Yes

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 →

Marines, L 3-H42-187-33480

0.3 KM · Vintage Petroleum, Inc. · Section with this well →

Austin Chalk1,747-1,737
Eagle Ford1,940-1,930
Buda1,958-1,948
Del Rio2,065-2,055
Georgetown2,110-2,100
Edwards2,118-2,108

McKean, A.J. & J.M.42-187-33681

0.8 KM · Texas Petroleum Investment Co. · Section with this well →

Olmos1,768-1,290
Pecan Gap1,889-1,411
Edwards2,066-1,588
Austin Chalk—
Yegua—
Woodbine—
Frio—
Catahoula—

9 TOPS · FIRST 8

Allen, J.E. -B-42-187-33701

1.2 KM · Texas Petroleum Investment Co. · Section with this well →

Eagle Ford1,853-1,387
Buda1,884-1,418
Edwards2,043-1,577
Yegua—
Austin Chalk—
Catahoula—
Frio—
Woodbine—

McKean, A.J. & J.M.42-187-33694

1.4 KM · Texas Petroleum Investment Co. · Section with this well →

Austin Chalk1,876-1,432
Buda1,887-1,443
Edwards2,018-1,574
Yegua—
Woodbine—
Frio—
Catahoula—

Allen, J.E. B42-187-33411

1.7 KM · Texas Petroleum Investment Co. · Section with this well →

Austin Chalk1,693-1,241
Eagle Ford1,874-1,422
Buda1,909-1,457
Del Rio1,975-1,523
Georgetown1,982-1,530
Edwards2,043-1,591

Allen, JE -B- 6H St42-187-33474

2.0 KM · Vintage Petroleum, Inc. · Section with this well →

Austin Chalk1,642-1,230
Eagle Ford1,841-1,429
Buda1,878-1,466
Del Rio1,942-1,530
Georgetown1,986-1,574
Edwards2,036-1,624

Roberts42-187-33698

2.6 KM · Texas Petroleum Investment Co. · Section with this well →

Austin Chalk1,720-1,293
Buda1,948-1,521
Edwards2,110-1,683
Woodbine—
Yegua—
Catahoula—
Frio—

Allen, J.E. 'A'42-187-33447

2.7 KM · Texas Petroleum Investment Co. · Section with this well →

Austin Chalk1,695-1,282
Buda1,913-1,500
Edwards2,079-1,666

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/18733702, documented in the API reference.