WELL · 42-435-34887 · DISTRICT 7
McDermott #4
Sutton County · Branch North (Ellen.) field · Vertical
Mcdermott #4 (API 42-435-34887) is a well in Sutton County operated by Lynx Operating CO. Inc., completed September 14, 1998.
The RRC has issued 2 drilling permits between 1998 and 2000, permitted to 6,500 ft.
It was permitted by Lynx Energy Company, Inc. and has since transferred to Lynx Operating CO. Inc. on the wellbore schedule.
Completion filings report 4 formation tops, including Top Adams Branch, Canyon, Strawn, Ellenburger.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Lynx Energy Company, Inc.; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Nov 4, 2025 · 117 permits on file · (432) 230-9131
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Lynx Operating Co. Inc. |
| Production reports | Grace Petroleum Operating, LLCthrough Aug 2025 |
| Latest permit | Lynx Energy Company, Inc.Mar 3, 2000 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,500
- total depth, ft
- 2
- permits on file
- Mar 3, 2000
- last permit issued
- Sep 14, 1998
- completed
- 0
- cumulative oil, bbl
- 284K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Sep 1998 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Sep 14, 1998
- Shut in
- —
- Plugged
- —
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| McDermott G-9-176781 | Branch, North (Canyon Sand) | Grace Petroleum Operating, LLC | 1 | 0 | 242K | Mar 2000 – Jul 2026 |
| McDermott G-9-173061 | Branch, North (Ellen.) | Lynx Operating Co., Inc. | 1 | 0 | 41.9K | Sep 1998 – Apr 2006 |
Gas, mcf lease total
Last 12 months 167 · prior 12 359(-53%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Leeper Oil Exp. & Prod. Inc.Sep 1998 → Oct 1999
- 2Lynx Energy Company, Inc.Dec 1999 → Dec 2001
- 3Lynx Operating Co., Inc.Jan 2002 → Oct 2014
- 4Grace Petroleum Operating, LLCNov 2014 → Aug 2025
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 492584-99 | Recompletion | Lynx Energy Company, Inc. | Mar 1, 2000 | Mar 3, 2000 | Mar 13, 2000 | 6,183 |
| 478634-99 | Drill | Leeper Oil Exp. & Prod. Inc. | Aug 10, 1998 | Aug 10, 1998 | Aug 15, 1998 | 6,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-9-173061 | — | — | — | — |
| — | — G-9-176781 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,356 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Top Adams Branch | 3,940 | -1,584 |
| CanyonTOP CANYON SAND | 4,712 | -2,356 |
| StrawnTOP STRAWN REEF | 4,980 | -2,624 |
| EllenburgerTOP ELLENBURGER | 5,710 | -3,354 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,716 | 4,730 | Perforated |
| 4,733 | 4,750 | Perforated |
| 5,734 | 5,750 | Perforated |
| 5,782 | 5,792 | Perforated |
| 5,802 | 5,810 | Perforated |
| 5,850 | 5,856 | Perforated |
| 5,860 | 5,865 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 5.5 | 620 | 7.875 | 850 S |
| 8.625 | 775 | 11 | 225 S |
| 5.5 | 6,200 | 7.875 | 850 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 | May 24, 2000 | Apr 19, 2000 | Yes |
| 00 | May 11, 2000 | — | — |
| 00 | Jun 22, 1999 | Jun 9, 1999 | Yes |
| 00 | Jun 14, 1999 | — | — |
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 42-435-34887 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-435-34887 → 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/43534887, documented in the API reference.