WELL · 42-219-37059 · DISTRICT 8
Post Montgomery Lo.clfk.wf Unit #4
Hockley County · Linker (Clear Fork) field · Vertical
Post Montgomery LO.Clfk.WF Unit #4 (API 42-219-37059) is a plugged well in Hockley County, plugged November 10, 2023, last operated by Chi Operating Inc..
The RRC has issued one drilling permit (amended once), issued September 12, 2008, permitted to 8,300 ft.
Completion filings report 7 formation tops, including Rustler, Vates, San Andres, Glorieta.
Its 2 leases have reported 1.81M barrels of oil and 421K mcf of gas since December 2008, last reporting in July 2026. The leases carry 25 wells, so these are lease totals, not this well alone.
Operator of record
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 schedule | Chi Operating Inc. |
| Production reports | Chi Operating, Inc.through Apr 2026 |
| Latest permit | Chi Operating, Inc.Sep 12, 2008 |
- 8,300
- total depth, ft
- 2
- permits on file
- Sep 12, 2008
- last permit issued
- Jan 25, 2009
- completed
- 1.81M
- cumulative oil, bbl
- 421K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 2008 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 25, 2009
- Shut in
- —
- Plugged
- Nov 10, 2023
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 25 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Post Montgomery Lo.clfk.wf Unit O-11-69754 | Linker (Clear Fork) | Chi Operating, Inc. | 21 | 1.68M | 381K | Dec 2011 – Jul 2026 |
| ET al "6" O-11-69305 | Linker (Clear Fork) | Chi Operating, Inc. | 4 | 131K | 40.1K | Dec 2008 – Jul 2012 |
Oil, barrels lease total
Last 12 months 93,905 · prior 12 100,510(-7%)
Gas, mcf lease total
Last 12 months 13,361 · prior 12 10,898(+23%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Chi Operating, Inc.Dec 2008 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 669700-98 | Drill | Chi Operating, Inc. | Dec 29, 2008 | Sep 12, 2008 | Jan 11, 2009 | 8,300 |
| 669700-99 | Drill | Chi Operating, Inc. | Aug 22, 2008 | Sep 12, 2008 | Jan 11, 2009 | 8,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-11-69305 | — | — | — | — |
| — | — O-11-69754 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,513 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Rustler | 2,210 | 1,303 |
| Vates | 2,779 | 734 |
| San Andres | 3,995 | -482 |
| San AndresSAN ANDRES POR | 5,019 | -1,506 |
| GlorietaGLORIETTA | 5,540 | -2,027 |
| U. Clearfork | 6,005 | -2,492 |
| Tubb | 6,726 | -3,213 |
| L. Clearfork | 6,849 | -3,336 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,127 | 7,200 | Perforated |
| 7,215 | 7,276 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 2,203 | 12.25 | 850 S |
| 5.5 | 8,167 | 7.875 | 1,230 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 →
| Suffix | Filed | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Feb 10, 2012 | Apr 13, 2009 | Yes |
| 00 | Jul 30, 2009 | Apr 13, 2009 | Yes |
| 00 | Jun 24, 2009 | — | — |
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.
- Wellbore filings for 42-219-37059 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-219-37059 → scanned completion filings
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/21937059, documented in the API reference.