WELL · 42-433-33088 · DISTRICT 7

Davan Unit #401

Plugged

Stonewall County · Davan (Strawn Sand) field  · Vertical

Davan Unit #401 (API 42-433-33088) is a plugged well in Stonewall County, plugged March 1, 2025, last operated by Winn Operating LLC.

The RRC has issued one drilling permit, issued April 2, 1997, permitted to 6,300 ft.

It was permitted by Costilla Energy, Inc. and has since transferred to Winn Operating LLC on the wellbore schedule.

Completion filings report 4 formation tops, including Coleman Junction, Odom, Strawn, Ellen..

Its lease has reported 500K barrels of oil and 151K mcf of gas since January 1993, last reporting in July 2026. The lease carries 20 wells, so these are lease totals, not this well alone.

Operator of record

Winn Operating LLC

Permitted by Costilla Energy, Inc.; the EWA schedule now lists a different operator.

Based in
Kilgore, TX
P-5 status
Active (A)
P-5 last filed
Jan 23, 2026
Permits on file
1
Phone
(903) 984-3443

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleWinn Operating LLC
Production reportsWinn Operating, LLCthrough Apr 2026
Latest permitCostilla Energy, Inc.Apr 2, 1997

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

6,300
total depth, ft
1
permits on file
Apr 2, 1997
last permit issued
Mar 13, 1998
completed
500K
cumulative oil, bbl
151K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 13, 1998
Shut in
—
Plugged
Mar 1, 2025

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; they carry 20 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Davan Unit O-8-10597Davan (Strawn Sand)Winn Operating, LLC20500K151KJan 1993 – Jul 2026

Oil, barrels lease total

Last 12 months 2,679 · prior 12 3,220(-17%)

0200400600202420252026

Chain of custody

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

  1. 1Costilla Petroleum CorporationJan 1993 → Jan 1997
  2. 2Costilla Energy, Inc.Feb 1997 → Jun 2000
  3. 3Dreyfus, Louis Natural Gas CorpJul 2000 → Nov 2001
  4. 4Dominion Oklahoma Texas E&P, IncDec 2001 → Dec 2007
  5. 5Highmount Expl & Prod Texas LLCJan 2008 → Nov 2009
  6. 6Urban Oil & Gas Group, LLCDec 2009 → Jan 2023
  7. 7Winn Operating, LLCFeb 2023 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
460629-99DrillCostilla Energy, Inc.Apr 2, 1997Apr 2, 1997Jan 28, 19986,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-8-10597————

Formation tops

As filed on W-2/G-1. Download CSV →

FormationMD ft
Coleman JunctionBASE COLEMAN JUNCTION2,598
Odom5,596
Strawn5,596
Ellen.6,057

Perforations

Perforated and open-hole intervals.

FromToType
5,3355,370Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
9.62514412.25150 S
5.56,2007.875540 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
00May 4, 1998Apr 6, 1998Yes
00Apr 14, 1998——

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/43333088, documented in the API reference.