WELL · 42-003-36829 · DISTRICT 8
Shultz C. A. -C- #21
Andrews County · Means (Queen Sand) field · Vertical
Shultz C. A. -C- #21 (API 42-003-36829) is a plugged well in Andrews County, plugged March 8, 2017, last operated by Endeavor Energy Resources L.P..
The RRC has issued one drilling permit, issued October 24, 1990, permitted to 4,300 ft.
It was permitted by Caprock Operating, Inc. and has since transferred to Endeavor Energy Resources L.P. on the wellbore schedule.
Completion filings report 3 formation tops, including Yates, Seven Rivers, Queen.
Its lease has reported 49.1K barrels of oil and 10.2K mcf of gas since January 1993, last reporting in November 2024. The lease carries 19 wells, so these are lease totals, not this well alone.
Operator of record
Endeavor Energy Resources L.P.
Permitted by Caprock Operating, Inc.; the EWA schedule now lists a different operator.
Midland, TX · P-5 Y, filed Apr 4, 2026 · 6,190 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Endeavor Energy Resources L.P. |
| Production reports | Endeavor Energy Resources L.P.through Jan 2011 |
| Latest permit | Caprock Operating, Inc.Oct 24, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 4,300
- total depth, ft
- 1
- permits on file
- Oct 24, 1990
- last permit issued
- Jan 8, 1991
- completed
- 49.1K
- cumulative oil, bbl
- 10.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Nov 2024
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Jan 8, 1991
- Shut in
- —
- Plugged
- Mar 8, 2017
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 19 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Shultz, C. A., -C- O-10-16311 | Means (Queen Sand) | Endeavor Energy Resources L.P. | 19 | 49.1K | 10.2K | Jan 1993 – Nov 2024 |
No volumes reported on these leases in the last three years.
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Caprock Operating, Inc.Jan 1993 → Oct 1995
- 2Aspen Energy CorporationNov 1995 → Sep 1997
- 3Cotton Valley Operating CompanyOct 1997 → May 2000
- 4Aspen Energy Group, Inc.Jun 2000 → Mar 2005
- 5Crusader Energy CorporationApr 2005 → Sep 2005
- 6Crusader Energy II, LLCOct 2005 → Jul 2006
- 7Endeavor Energy Resources L.P.Dec 2006 → Jan 2011
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 379809-99 | Drill | Caprock Operating, Inc. | Oct 19, 1990 | Oct 24, 1990 | Dec 19, 1990 | 4,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-16311 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 3,160 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,928 | 232 |
| Seven Rivers | 3,107 | 53 |
| Queen | 3,767 | -607 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 4,100 | 4,133 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,500 | 12.25 | 675 S |
| 4.5 | 4,200 | 7.875 | 775 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 | Apr 16, 1991 | Feb 19, 1991 | Yes |
| 00 | Mar 7, 1991 | — | — |
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 42-003-36829 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-003-36829 → 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/00336829, documented in the API reference.