WELL · 42-211-35513 · DISTRICT 10

Nix 91 #1H

N

Hemphill County · Wildcat field  · Horizontal

Nix 91 #1H (API 42-211-35513) is a horizontal well in Hemphill County operated by Apache Corporation, completed January 24, 2016.

The RRC has issued 2 drilling permits between 2015 and 2017, permitted to 16,000 ft.

Completion filings report 9 formation tops, including Brown Dolomite, Pennsylvanian, Brownsville, Cleveland.

Its 2 leases have reported 136K barrels of oil and 980K mcf of gas since January 2016, last reporting in July 2026. The leases carry 2 wells, so these are lease totals, not this well alone.

Operator of record

Apache Corporation

Houston, TX · P-5 Y, filed Oct 4, 2025 · 9,754 permits on file · (713) 296-6400

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleApache Corporation
Production reportsPresidio Petroleum LLCthrough Apr 2026
Latest permitApache CorporationJun 26, 2017

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

16,000
total depth, ft
2
permits on file
Jun 26, 2017
last permit issued
Jan 24, 2016
completed
136K
cumulative oil, bbl
980K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Jan 2016 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
OFF SCHEDULE
Completed
Jan 24, 2016
Shut in
—
Plugged
—

Surface location

35.981847, -100.430708

OpenStreetMap → ·  Google Maps →

Permit surface location from the RRC GIS record, in Hemphill County.

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
Nix 91 O-14-9527Renegade (Atoka)Presidio Petroleum LLC1136K980KJan 2016 – Jul 2026
Nix 91 O-14-9484WildcatApache Corporation100Jan 2016 – Aug 2017

Gas, mcf lease total

Last 12 months 45,890 · prior 12 51,939(-12%)

02K4K6K202420252026

Oil, barrels lease total

Last 12 months 3,475 · prior 12 5,076(-32%)

0200400600202420252026

Chain of custody

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

  1. 1Apache CorporationJan 2016 → Jun 2019
  2. 2Presidio Petroleum LLCJul 2019 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
827939-99Field transferApache CorporationJun 19, 2017Jun 26, 2017Oct 5, 201516,000
810223-99DrillApache CorporationSep 10, 2015Sep 14, 2015Oct 5, 201516,000

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-14-9484————
—— O-14-9527————

Formation tops

As filed on W-2/G-1. Subsea from 2,523 ft elevation.Download CSV →

FormationMD ftSubsea
Brown DolomiteBROWN DOLOMITE - PROD, PRESSURED3,853-1,330
PennsylvanianPENNSYLVANIAN (MARMATON)9,272-6,749
Brownsville——
Cleveland——
Douglas——
Kansas CityKANSAS CITY (HOGSHOOTER)——
OswegoOSWEGO UPPER——
PennsylvanianPENNSYLVANIAN SAND——
Tonkawa——
Topeka——

Perforations

Perforated and open-hole intervals.

FromToType
10,85014,909Perforated

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
13.37552717.5775 S
9.6259,18512.251,645 S
7.62510,8808.75195 S
4.514,9856.75955 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
00Jun 29, 2017Apr 11, 2017Yes
00Sep 16, 2016May 11, 2016Yes

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.

Nearby wells and their tops

NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM

Draw a cross-section

This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.

Open the cross-section →

Nix 83 Unit42-211-35493

1.7 KM · Apache Corporation · Section with this well →

Brown Dolomite3,646-1,215
Pennsylvanian8,691-6,260
Atoka10,405-7,974
Tonkawa—
Pennsylvanian—
Brown Dolomite—
Brownsville—
Cherokee—

19 TOPS · FIRST 8

Nix 73/74 A42-211-35680

3.2 KM · Mewbourne Oil Company · Section with this well →

Brown Dolomite3,444-912
Douglas6,737-4,205
Tonkawa7,406-4,874
Kansas City8,380-5,848
Cleveland8,578-6,046
Oswego9,057-6,525
Brownsville—
Pennsylvanian—

10 TOPS · FIRST 8

Nix 72/71 A42-211-35679

3.2 KM · Mewbourne Oil Company · Section with this well →

Brown Dolomite3,744-1,213
Douglas6,737-4,206
Tonkawa7,400-4,869
Kansas City8,383-5,852
Cleveland8,592-6,061
Oswego9,054-6,523
Topeka—
Brownsville—

10 TOPS · FIRST 8

David Crockett 4-13 Unit42-211-35547

5.1 KM · Apache Corporation · Section with this well →

Brown Dolomite3,853-1,377
Pennsylvanian9,272-6,796
Pennsylvanian—
Tonkawa—
Topeka—
Kansas City—
Oswego—
Douglas—

10 TOPS · FIRST 8

David Crockett 4-13 Unit42-211-35548

5.6 KM · Apache Corporation · Section with this well →

Brown Dolomite3,853
Pennsylvanian9,272
Pennsylvanian—
Tonkawa—
Topeka—
Brownsville—
Cleveland—
Kansas City—

10 TOPS · FIRST 8

Urschel 7142-211-35514

9.2 KM · Apache Corporation · Section with this well →

Brown Dolomite3,853-1,258
Pennsylvanian9,272-6,677
Brownsville—
Oswego—
Cleveland—
Kansas City—
Douglas—
Tonkawa—

10 TOPS · FIRST 8

Fields42-211-35605

10.0 KM · Upland Resources LLC · Section with this well →

Brown Dolomite4,000-1,621
Douglas6,360-3,981
Oswego—
Pennsylvanian—
Pennsylvanian—
Tonkawa—
Topeka—
Kansas City—

10 TOPS · FIRST 8

Kelley B42-211-30663

10.6 KM · Questa Energy Corporation · Section with this well →

Brown Dolomite3,903-1,167
Douglas6,766-4,030
Douglas6,862-4,126
Marmaton9,239-6,503
Atoka10,484-7,748
Morrow11,000-8,264

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/21135513, documented in the API reference.