WELL · 42-235-34485 · DISTRICT 7

University 40-13 #1H

N

Irion County · Lin (Wolfcamp) field  · Horizontal

University 40-13 #1H (API 42-235-34485) is a horizontal well in Irion County operated by Eog Resources Inc., completed March 20, 2010.

The RRC has issued one drilling permit, issued December 21, 2009, permitted to 6,300 ft.

Completion filings report 3 formation tops, including Spraberry, Dean, Wolfcamp.

Its 2 leases have reported 5.92M barrels of oil and 91.6M mcf of gas since March 2010, last reporting in July 2026. The leases carry 65 wells, so these are lease totals, not this well alone.

Operator of record

EOG Resources Inc.

Based in
Midland, TX
P-5 status
Active (A)
P-5 last filed
Oct 2, 2025
Permits on file
16,348
Phone
(713) 651-7000

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleEOG Resources Inc.
Production reportsSem Operating Company LLCthrough Apr 2026
Latest permitEOG Resources, Inc.Dec 21, 2009

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
Dec 21, 2009
last permit issued
Mar 20, 2010
completed
5.92M
cumulative oil, bbl
91.6M
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Mar 2010 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Mar 20, 2010
Shut in
—
Plugged
—

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 65 wells in total, so volumes are shared.Why →

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
University 40 O-9-17171Lin (Wolfcamp)Sem Operating Company LLC645.89M91.5MMay 2010 – Jul 2026
University 40-13 O-9-17204Lin (Wolfcamp)EOG Resources, Inc.121.5K64.4KMar 2010 – Oct 2011

Gas, mcf lease total

Last 12 months 8,144,021 · prior 12 8,684,132(-6%)

0500K1M202420252026

Oil, barrels lease total

Last 12 months 136,202 · prior 12 192,049(-29%)

020K40K60K202420252026

Chain of custody

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

  1. 1EOG Resources, Inc.Mar 2010 → May 2016
  2. 2Sem Operating Company LLCJun 2016 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
688877-99DrillEOG Resources, Inc.Dec 21, 2009Dec 21, 2009Jan 31, 20106,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-9-17171————
—— O-9-17204————

Formation tops

As filed on W-2/G-1. Subsea from 2,612 ft elevation.Download CSV →

FormationMD ftSubsea
SpraberryLOWER SPRABERRY5,140-2,528
Dean5,900-3,288
Wolfcamp6,010-3,398

Perforations

Perforated and open-hole intervals.

FromToType
6,80010,160Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37581917.5970 S
9.6254,21312.25770 S
5.510,1788.751,800 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
00Aug 26, 2011May 11, 2010Yes
00Aug 16, 2010May 11, 2010Yes
00Aug 6, 2010——

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/23534485, documented in the API reference.