TEXAS · WELLS · SCHLEICHER COUNTY · MAYER, EDWIN S., JR. "E" LEASE · API 42-413-32045 · DISTRICT 6E

Mayer Edwin S. Jr. E #16

On schedule

Schleicher County · Sawyer (Canyon) field · Producing  · Vertical

Fields on the latest permit · any of 2
Sawyer (Canyon) · Sawyer (Strawn, North)
Not one formation; the well must be completed in one of them, and no target formation is stated.

Mayer Edwin S. JR. E #16 (API 42-413-32045) is a well in Schleicher County operated by Upp Operating LLC, completed February 16, 1999 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit, issued August 20, 1998, permitted to 8,250 ft.

It was permitted by Dreyfus, Louis Natural Gas Corp and has since transferred to Upp Operating LLC on the wellbore schedule.

Completion filings report 4 formation tops, including Base Cretaceous (marker), Wolfcamp, Canyon, Strawn.

Its lease has reported 226 barrels of oil and 705K mcf of gas since February 1999, last reporting volume in July 2026.

Operator of record

Upp Operating LLC

Permitted by Dreyfus, Louis Natural Gas Corp; 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 Jul 2026
Latest permitDreyfus, Louis Natural Gas CorpAug 20, 1998

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

8,250
total depth, ft
1
permits on file
Aug 20, 1998
last permit issued
Feb 16, 1999
completed
226
cumulative oil, bbl
705K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · FEB 1999 THROUGH JUL 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Feb 16, 1999
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.

Wells nearby

Every well with a location on file around this well, in any state, nearest first.

Loading the map…

Open the full map →

Texas locations come from drilling permits, so most older Texas wells have none and are not listed.

Lease production

PDQ LEASE REPORTS · REPORTED THROUGH AUG 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
Mayer, Edwin S., Jr. "E" G-9-172070Sawyer (Canyon)Upp Operating, LLC1226705KFeb 1999 – Jul 2026

Gas, mcf lease total

Last 12 months 1,239 · prior 12 1,792(-31%)

05001K202420252026

Wells named Mayer Edwin S. Jr. E

Upp Operating LLC's other wells filed under this lease name in Schleicher County, newest permit first. The RRC gives a gas well its own lease number, so the name is what joins the wells of a unit.

Loading the lease's wells

Chain of custody

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

  1. 1Dreyfus, Louis Natural Gas CorpFeb 1999 → Nov 2001
  2. 2Dominion Oklahoma Texas E&P, IncDec 2001 → Dec 2007
  3. 3Highmount Expl & Prod Texas LLCJan 2008 → Sep 2014
  4. 4Enervest Operating, L.L.C.Oct 2014 → Mar 2019
  5. 5Upp Operating, LLCApr 2019 → Jul 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
478887-99DrillDreyfus, Louis Natural Gas CorpAug 20, 1998Aug 20, 1998Jan 25, 19998,300

Completions

CompletedLeaseFieldOperatorStatusDepth
Feb 16, 1999Mayer Edwin S. Jr. E G-9-172070Sawyer (Canyon)Upp Operating LLCProducing8,250

Formation tops

As filed on W-2/G-1. Subsea from 2,419 ft elevation.Download CSV →

FormationMD ftSubsea
Base Cretaceous (marker)BASE CRETACEOUS8601,559
Wolfcamp4,456-2,037
Canyon7,064-4,645
Strawn8,020-5,601

Perforations

Perforated and open-hole intervals.

FromToType
7,0887,330Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6252,38211573 S
4.57,6027.875400 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
00Mar 22, 1999Mar 3, 1999Yes
00Mar 11, 1999——

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 filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its search.

Find logs withinmiles of this well:List →Map →

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/41332045, documented in the API reference.