WELL · 42-235-33877 · DISTRICT 7

Denilson #1

Plugged

Irion County · Ela Sugg (Wolfcamp) field  · Vertical

Denilson #1 (API 42-235-33877) is a plugged well in Irion County, plugged February 1, 2022, last operated by Trilogy Operating Inc..

The RRC has issued one drilling permit (amended once), issued October 22, 2003, permitted to 9,800 ft.

Completion filings report 5 formation tops, including San Andres, Spraberry, Wolfcamp, Pennsylvania Shale.

Its 2 leases have reported 1.3K barrels of oil and 149K mcf of gas since April 2004, last reporting in May 2023. The leases carry 2 wells, so these are lease totals, not this well alone.

Operator of record

Trilogy Operating Inc.

Based in
Midland, TX
P-5 status
Active (A)
P-5 last filed
Mar 5, 2026
Permits on file
247
Phone
(432) 686-2027

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleTrilogy Operating Inc.
Production reportsTrilogy Operating, Inc.through Jan 2022
Latest permitTrilogy Operating, Inc.Oct 22, 2003
9,800
total depth, ft
2
permits on file
Oct 22, 2003
last permit issued
Apr 9, 2004
completed
1.3K
cumulative oil, bbl
149K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Apr 2004 THROUGH May 2023

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Apr 9, 2004
Shut in
—
Plugged
Feb 1, 2022

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 2 leases this well is completed on; they carry 2 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Denilson G-9-276134Ela Sugg (Wolfcamp)Trilogy Operating, Inc.1034.8KOct 2014 – May 2023
Denilson O-9-15553Ela Sugg (Wolfcamp)Trilogy Operating, Inc.11.3K114KApr 2004 – Nov 2022

No volumes reported on these leases in the last three years.

Chain of custody

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

  1. 1Trilogy Operating, Inc.Apr 2004 → Jan 2022

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
537807-98DrillTrilogy Operating, Inc.Aug 3, 2004Oct 22, 2003Dec 26, 20049,800
537807-99DrillTrilogy Operating, Inc.Oct 22, 2003Oct 22, 2003—9,800

Completions

CompletedLeaseFieldOperatorStatusDepth
—— G-9-276134————
—— O-9-15553————

Formation tops

As filed on W-2/G-1. Subsea from 2,518 ft elevation.Download CSV →

FormationMD ftSubsea
San Andres1,803715
Spraberry4,420-1,902
SpraberrySPRAYBERRY4,420-1,902
Wolfcamp6,820-4,302
Pennsylvania Shale8,505-5,987
EllenburgerELLENBERGER9,340-6,822

Perforations

Perforated and open-hole intervals.

FromToType
8,0768,120Perforated
8,3788,404Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37559717.25550 S
9.6254,46012.251,430 S
5.59,5648.75600 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
00Mar 27, 2015Jan 19, 2015—
00Sep 22, 2004Apr 26, 2004Yes
00Aug 20, 2004——

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/23533877, documented in the API reference.