WELL · 42-219-37189 · DISTRICT 8

Post Montgomery Lo.clfk.wf Unit #4

Y

Hockley County · Linker (Clear Fork) field · Injection  · Directional

Post Montgomery LO.Clfk.WF Unit #4 (API 42-219-37189) is a well in Hockley County operated by Chi Operating Inc., completed May 13, 2022 and listed as injection on the RRC schedule.

The RRC has issued one drilling permit, issued March 25, 2011, permitted to 8,300 ft.

Completion filings report 6 formation tops, including Rustler, Yates, San Andres, Glorieta.

Its lease has reported 1.68M barrels of oil and 381K mcf of gas since December 2011, last reporting in July 2026. The lease carries 21 wells, so these are lease totals, not this well alone.

It holds an active disposal or injection permit, with 48.1K barrels injected in the 12 months reported through March 2026.

Operator of record

Chi Operating Inc.

Midland, TX · P-5 Y, filed Apr 4, 2026 · 126 permits on file · (432) 557-8773

SOURCE · RRC EWA WELLBORE SCHEDULE

What each RRC source says

Wellbore scheduleChi Operating Inc.
Production reportsChi Operating, Inc.through Apr 2026
Latest permitChi Operating, Inc.Mar 25, 2011
8,300
total depth, ft
1
permits on file
Mar 25, 2011
last permit issued
May 13, 2022
completed
1.68M
cumulative oil, bbl
381K
cumulative gas, mcf

PRODUCTION FROM PDQ LEASE REPORTS · Dec 2011 THROUGH Jul 2026

Regulatory status · RRC wellbore file

Schedule
ON SCHEDULE
Completed
May 13, 2022
Shut in
—
Plugged
—

Operator's P-5 on the schedule: Active

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

LeaseFieldReporting operatorWellsOil, bblGas, mcfReported
Post Montgomery Lo.clfk.wf Unit O-11-69754Linker (Clear Fork)Chi Operating, Inc.211.68M381KDec 2011 – Jul 2026

Oil, barrels lease total

Last 12 months 93,905 · prior 12 100,510(-7%)

05K10K15K202420252026

Gas, mcf lease total

Last 12 months 13,361 · prior 12 10,898(+23%)

01K2K202420252026

Chain of custody

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

  1. 1Chi Operating, Inc.Dec 2011 → Apr 2026

Permits

PermitTypeOperatorReceivedIssuedSpudDepth
710714-99DrillChi Operating, Inc.Feb 21, 2011Mar 25, 2011Apr 25, 20118,300

Completions

CompletedLeaseFieldOperatorStatusDepth
—— O-11-69754————

Formation tops

As filed on W-2/G-1. Subsea from 3,508 ft elevation.Download CSV →

FormationMD ftSubsea
Rustler2,2081,300
Yates2,779729
San Andres3,988-480
San AndresSAN ANDRES POR4,995-1,487
GlorietaGLORIETTA5,507-1,999
Clear ForkUPPER CLEARFORK5,995-2,487
Tubb6,721-3,213
Clear ForkLOWER CLEARFORK6,825-3,317

Perforations

Perforated and open-hole intervals.

FromToType
7,1567,264Perforated
7,1567,264Open hole

Casing

Strings as reported, shallowest first.

Casing inSet atHole inCement
8.6252,15812.25850 S
8.6252,16212.25850 S
5.57,6007.875920 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 19, 2023Jan 27, 2023—
00Jul 18, 2013Oct 19, 2012Yes

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.

Beyond the permit record

RRC UIC permits · H-10 reported volumes

Injection

48.1K
bbl, last 12 reported months
151K
bbl, all reported
Mar 2026
reported through
UICKindStatusPermitted bbl/dMax psiZone ft
000124967H-1 InjectionActive8002,0007,145–7,252

MONTHLY INJECTED, BBL · H-10 · LAST 24 REPORTED MONTHS

Last 12 months 48,053 · prior 12 35,781(+34%)

02K4K6K20252026

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/21937189, documented in the API reference.