WELL · 42-461-38103 · DISTRICT 7
Chevron 43 #28
Upton County · Spraberry (Trend Area) field · Producing · Vertical
Chevron 43 #28 (API 42-461-38103) is a well in Upton County operated by Cog Operating LLC, completed September 20, 2012 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 17, 2012, permitted to 12,000 ft.
Completion filings report 3 formation tops, including Spraberry, Dean, B. Wolfcamp.
Its lease has reported 1.06M barrels of oil and 2.35M mcf of gas since January 2006, last reporting in July 2026. The lease carries 22 wells, so these are lease totals, not this well alone.
Operator of record
- Based in
- Midland, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jun 2, 2026
- Permits on file
- 4,568
- Phone
- (432) 683-7443
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | COG Operating LLC |
| Production reports | COG Operating LLCthrough Apr 2026 |
| Latest permit | COG Operating LLCMay 17, 2012 |
- 12,000
- total depth, ft
- 1
- permits on file
- May 17, 2012
- last permit issued
- Sep 20, 2012
- completed
- 1.06M
- cumulative oil, bbl
- 2.35M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 2006 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Sep 20, 2012
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active – Extension (X)
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 22 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Chevron "43" O-9-15912 | Spraberry (Trend Area) | COG Operating LLC | 22 | 1.06M | 2.35M | Jan 2006 – Jul 2026 |
Oil, barrels lease total
Last 12 months 23,159 · prior 12 24,005(-4%)
Gas, mcf lease total
Last 12 months 45,741 · prior 12 41,838(+9%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Terrace Petroleum CorporationJan 2006 → Dec 2009
- 2COG Operating LLCJan 2010 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 740017-99 | Drill | COG Operating LLC | May 7, 2012 | May 17, 2012 | Jul 30, 2012 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-15912 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,803 ft elevation.Download CSV →
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,960 | 10,460 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 9.625 | 815 | 12.25 | 100 S |
| 5.5 | 10,715 | 7.875 | 1,150 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 | Oct 31, 2013 | Jan 18, 2013 | Yes |
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 42-461-38103 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-38103 → scanned completion filings
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/46138103, documented in the API reference.