TEXAS · WELLS · SUTTON COUNTY · MARTIN LEASE · API 42-435-36049 · DISTRICT 6E

Martin #20

Y

Sutton County · Sonora (Canyon Upper) field · Producing  · Vertical

Fields on the latest permit · any of 3
Fawcett (Wolfcamp) · Sawyer (Canyon) · Sonora (Canyon Upper)
Not one formation; the well must be completed in one of them, and no target formation is stated.

Martin #20 (API 42-435-36049) is a well in Sutton County operated by Upp Operating LLC, completed November 15, 2002 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued October 4, 2002, permitted to 5,915 ft.

It was permitted by Dominion Oklahoma Texas E&P, Inc and has since transferred to Upp Operating LLC on the wellbore schedule.

Completion filings report 3 formation tops, including Base Cretacous, Wolfcamp, Canyon.

Its lease has reported 5 barrels of oil and 111K mcf of gas since November 2002, last reporting volume in April 2026.

Operator of record

Upp Operating LLC

Permitted by Dominion Oklahoma Texas E&P, Inc; the EWA schedule now lists a different operator.

Based in
Houston, TX
P-5 status
Active (A)
P-5 last filed
Mar 6, 2026
Permits on file
33
Phone
(713) 495-5300

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleUpp Operating LLC
Production reportsUpp Operating, LLCthrough Apr 2026
Latest permitDominion Oklahoma Texas E&P, IncOct 4, 2002

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

5,915
total depth, ft
2
permits on file
Oct 4, 2002
last permit issued
Nov 15, 2002
completed
5
cumulative oil, bbl
111K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2002 THROUGH Apr 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Nov 15, 2002
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
Martin G-9-194723Sonora (Canyon Upper)Upp Operating, LLC15111KNov 2002 – Apr 2026

Gas, mcf lease total

Last 12 months 89 · prior 12 134(-34%)

01020202420252026

Chain of custody

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

  1. 1Dominion Oklahoma Texas E&P, IncDec 2002 → Dec 2007
  2. 2Highmount Expl & Prod Texas LLCJan 2008 → Sep 2014
  3. 3Enervest Operating, L.L.C.Oct 2014 → Mar 2019
  4. 4Upp Operating, LLCApr 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
524360-98DrillDominion Oklahoma Texas E&P, IncJan 31, 2003Oct 4, 2002Nov 2, 20026,275
524360-99DrillDominion Oklahoma Texas E&P, IncOct 4, 2002Oct 4, 2002—6,275

Completions

CompletedLeaseFieldOperatorStatusDepth
Nov 15, 2002Martin G-9-194723Sonora (Canyon Upper)Upp Operating LLCProducing5,915

Formation tops

As filed on W-2/G-1. Subsea from 2,273 ft elevation.Download CSV →

FormationMD ftSubsea
Base Cretacous7251,548
Wolfcamp3,319-1,046
Canyon5,040-2,767

Perforations

Perforated and open-hole intervals.

FromToType
5,5945,608Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6251,19211240 S
4.55,8787.875250 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →

SuffixRRC record dateW-2 / G-1 dateLogs referenced
00Jun 17, 2003May 30, 2003Yes
00Jun 5, 2003——

Well logs

The RRC's map lists this well among those with logs online. Its monthly inventories loaded here, which start in July 2006, list none for it, so none are itemized.

Open the RRC's log search for this well ↗

Find logs withinmiles of this well:List →Map →

Search the well logs loaded into Petrora →

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.

The logs loaded for this well are under Well logs, with the RRC's log search for it.

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/43536049, documented in the API reference.