WELL · 42-363-35395 · DISTRICT 7

Stringer West Unit #1

Y

Palo Pinto County · Whittenburg (Strawn Lower) field · Producing  · Vertical

Stringer West Unit #1 (API 42-363-35395) is a well in Palo Pinto County operated by Upham Oil & Gas Company, completed August 15, 2005 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued May 18, 2005, permitted to 4,383 ft.

It was permitted by Cholla Petroleum, Inc. and has since transferred to Upham Oil & Gas Company on the wellbore schedule.

Completion filings report 2 formation tops, including Palo Pinto, Strawn.

Its lease has reported 16.3K barrels of oil and 9.72K mcf of gas since August 2005, last reporting in July 2026.

Operator of record

Upham Oil & Gas Company

Permitted by Cholla Petroleum, Inc.; the EWA schedule now lists a different operator.

Based in
Mineral Wells, TX
P-5 status
Active (A)
P-5 last filed
Dec 19, 2025
Permits on file
141
Phone
(940) 325-4491

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUpham Oil & Gas Company
Production reportsUpham Oil & Gas Companythrough Apr 2026
Latest permitCholla Petroleum, Inc.May 18, 2005

The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.

4,383
total depth, ft
1
permits on file
May 18, 2005
last permit issued
Aug 15, 2005
completed
16.3K
cumulative oil, bbl
9.72K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Aug 2005 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Aug 15, 2005
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active (A)

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 →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Stringer West Unit O-8-29626Whittenburg (Strawn, Lower)Upham Oil & Gas Company116.3K9.72KAug 2005 – Jul 2026

Oil, barrels lease total

Last 12 months 564 · prior 12 680(-17%)

050100150202420252026

Gas, mcf lease total

Last 12 months 514 · prior 12 734(-30%)

050100202420252026

Chain of custody

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

  1. 1Cholla Petroleum, Inc.Aug 2005 → Feb 2020
  2. 2Black Bandana LLCJun 2020 → Apr 2023
  3. 3Upham Oil & Gas CompanyMay 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
600821-99DrillCholla Petroleum, Inc.May 18, 2005May 18, 2005Jul 13, 20054,999

Completions

CompletedLeaseFieldOperatorStatusDepth
Aug 15, 2005Stringer West Unit O-8-29626Whittenburg (Strawn Lower)Upham Oil & Gas CompanyProducing4,383

Formation tops

As filed on W-2/G-1. Subsea from 1,127 ft elevation.Download CSV →

FormationMD ftSubsea
Palo Pinto420707
Strawn2,995-1,868

Perforations

Perforated and open-hole intervals.

FromToType
2,9983,006Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.62522712.25150 S
4.53,2897.875200 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
00Dec 22, 2005—Yes
00Oct 20, 2005——

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.

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/36335395, documented in the API reference.