WELL · 42-371-36260 · DISTRICT 8

Dalco-Usm #1A

Y

Pecos County · Gomez (Ellenburger) field · Producing  · Vertical

Dalco-Usm #1A (API 42-371-36260) is a well in Pecos County operated by Enerquest Operating L.L.C., completed October 2, 1991 and listed as producing on the RRC schedule.

The RRC has issued one drilling permit (amended once), issued July 20, 1990, permitted to 23,000 ft.

It was permitted by Enron Oil & Gas Company and has since transferred to Enerquest Operating L.L.C. on the wellbore schedule.

Completion filings report 6 formation tops, including Mississippian, Woodford, Devonian, Montoya.

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

Operator of record

Enerquest Operating L.L.C.

Permitted by Enron Oil & Gas Company; the EWA schedule now lists a different operator.

Based in
Oklahoma City, OK
P-5 status
Active (A)
P-5 last filed
Jul 18, 2025
Permits on file
51
Phone
(405) 478-3300

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleEnerquest Operating L.L.C.
Production reportsEnerquest Operating L.L.C.through Nov 2025
Latest permitEnron Oil & Gas CompanyJul 20, 1990

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

23,000
total depth, ft
2
permits on file
Jul 20, 1990
last permit issued
Oct 2, 1991
completed
0
cumulative oil, bbl
6.86M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
Oct 2, 1991
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
Dalco-Usm G-10-138901Gomez (Ellenburger)Enerquest Operating L.L.C.106.86MJan 1993 – Jul 2026

Gas, mcf lease total

Last 12 months 42,342 · prior 12 27,000(+57%)

05K10K202420252026

Chain of custody

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

  1. 1Enron Oil & Gas CompanyJan 1993 → Sep 1999
  2. 2EOG Resources, Inc.Oct 1999 → Mar 2011
  3. 3Enerquest Operating L.L.C.Apr 2011 → Nov 2025

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
375623-98DrillEnron Oil & Gas CompanySep 13, 1990Jul 20, 1990Nov 27, 199023,000
375623-99DrillEnron Oil & Gas CompanyJul 17, 1990Jul 20, 1990—23,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-10-138901————

Formation tops

As filed on W-2/G-1. Subsea from 2,892 ft elevation.Download CSV →

FormationMD ftSubsea
MississippianMISS LIME17,663-14,771
Woodford18,153-15,261
Devonian18,370-15,478
Montoya18,781-15,889
Simpson19,310-16,418
Ellenburger21,316-18,424

Perforations

Perforated and open-hole intervals.

FromToType
21,33022,650Open hole
21,41222,127Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.3751,93417.51,650 S
710,4078.5900 S
9.62510,60012.251,700 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 3, 1992Dec 3, 1991—
00Sep 23, 1991May 30, 1991Yes
00Aug 9, 1991——

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) and the University Lands library. 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/37136260, documented in the API reference.