WELL · 42-461-34640 · DISTRICT 7
LYNCH18 #1
Upton County · Spraberry (Trend Area) field · Producing · Vertical
Lynch18 #1 (API 42-461-34640) is a well in Upton County operated by Cog Operating LLC, completed May 17, 2006 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued September 14, 2004, permitted to 10,800 ft.
It was permitted by Henry Petroleum LP and has since transferred to Cog Operating LLC on the wellbore schedule.
Completion filings report 5 formation tops, including San Andres, Clear Fork, Spraberry, Dean.
Its lease has reported 102K barrels of oil and 373K mcf of gas since November 2004, last reporting in July 2026. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Henry Petroleum LP; the EWA schedule now lists a different operator.
- 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 | Henry Petroleum LPSep 14, 2004 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,800
- total depth, ft
- 1
- permits on file
- Sep 14, 2004
- last permit issued
- May 17, 2006
- completed
- 102K
- cumulative oil, bbl
- 373K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Nov 2004 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 17, 2006
- 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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| LYNCH18 O-9-15628 | Spraberry (Trend Area) | COG Operating LLC | 2 | 102K | 373K | Nov 2004 – Jul 2026 |
Oil, barrels lease total
Last 12 months 1,684 · prior 12 1,741(-3%)
Gas, mcf lease total
Last 12 months 3,236 · prior 12 3,080(+5%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Henry Petroleum LPNov 2004 → Dec 2008
- 2COG Operating LLCJan 2009 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 550898-99 | Drill | Henry Petroleum LP | Sep 13, 2004 | Sep 14, 2004 | Sep 25, 2004 | 10,800 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-9-15628 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,697 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| San Andres | 4,590 | -1,893 |
| Clear ForkCLEARFORK | 6,319 | -3,622 |
| Spraberry | 7,140 | -4,443 |
| Dean | 8,379 | -5,682 |
| Wolfcamp | 8,499 | -5,802 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,235 | 8,210 | Perforated |
| 8,550 | 10,052 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 455 | 17.5 | 475 S |
| 8.625 | 4,631 | 11 | 300 S |
| 5.5 | 10,200 | 7.875 | 1,100 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 | Mar 30, 2007 | Nov 30, 2006 | — |
| 00 | Feb 23, 2006 | Nov 28, 2005 | — |
| 00 | Mar 21, 2005 | Dec 20, 2004 | Yes |
| 00 | Dec 29, 2004 | — | — |
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 42-461-34640 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-461-34640 → 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/46134640, documented in the API reference.