WELL · 42-173-34204 · DISTRICT 8
CR Foster #3910
Glasscock County · Spraberry (Trend Area) field · Vertical
CR Foster #3910 (API 42-173-34204) is a well in Glasscock County operated by Williams Clayton Energy Inc., completed August 27, 2011.
The RRC has issued one drilling permit, issued May 23, 2011, permitted to 10,000 ft.
It was permitted by Mak-J Energy Partners(TX),Ltd. and has since transferred to Williams Clayton Energy Inc. on the wellbore schedule.
Completion filings report 5 formation tops, including Pennsylvanian, Cline, Strawn, Devonian.
Its 2 leases have reported 61.1K barrels of oil and 40.3K mcf of gas since March 2009, last reporting in July 2026. The leases carry 9 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Mak-J Energy Partners(tx),ltd.; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Feb 4, 2026 · 1,139 permits on file · (866) 662-5304
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Williams Clayton Energy Inc. |
| Production reports | Southwest Royalties, Inc.through Apr 2026 |
| Latest permit | Mak-J Energy Partners(tx),ltd.May 23, 2011 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,000
- total depth, ft
- 1
- permits on file
- May 23, 2011
- last permit issued
- Aug 27, 2011
- completed
- 61.1K
- cumulative oil, bbl
- 40.3K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2009 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Aug 27, 2011
- 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 9 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Foster O-10-39363 | Spraberry (Trend Area) | Southwest Royalties, Inc. | 5 | 51.5K | 33.6K | Mar 2009 – Jul 2026 |
| CR Foster O-10-41093 | Spraberry (Trend Area) | Williams, Clayton Energy, Inc. | 4 | 9.61K | 6.7K | Mar 2011 – Jul 2014 |
Oil, barrels lease total
Last 12 months 945 · prior 12 1,066(-11%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Williams, Clayton Energy, Inc.Mar 2009 → Mar 2017
- 2Mak-J Energy Partners(tx),ltd.Mar 2011 → Aug 2012
- 3NBL Permian LLCApr 2017 → Nov 2017
- 4Southwest Royalties, Inc.Dec 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 716518-99 | Drill | Mak-J Energy Partners(tx),ltd. | May 16, 2011 | May 23, 2011 | Jul 17, 2011 | 10,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-39363 | — | — | — | — |
| — | — O-10-41093 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,564 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| PennsylvanianPENN | 8,040 | -5,476 |
| Cline | 8,644 | -6,080 |
| Strawn | 8,960 | -6,396 |
| Devonian | 9,348 | -6,784 |
| EllenburgerELLENBERGER | 9,471 | -6,907 |
| Cline | — | — |
| PennsylvanianPENN | — | — |
| Strawn | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,610 | 8,856 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 358 | 17.5 | 800 S |
| 8.625 | 2,125 | 11 | 600 S |
| 5.5 | 9,675 | 7.875 | 700 S |
| 5.5 | — | 7.875 | 700 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 22, 2023 | Dec 5, 2022 | — |
| 00 | Nov 22, 2022 | Aug 16, 2022 | — |
| 00 | Jun 17, 2014 | Nov 1, 2011 | Yes |
| 00 | Nov 13, 2012 | Nov 1, 2011 | 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 42-173-34204 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-173-34204 → 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/17334204, documented in the API reference.