TEXAS · WELLS · CROCKETT COUNTY · PIERCE-HENDERSON STATE "Z" LEASE · API 42-105-35607 · DISTRICT 6E
Pierce-Henderson State Z #4
Crockett County · Ozona (Canyon Sand) field · Vertical
Pierce-Henderson State Z #4 (API 42-105-35607) is a plugged well in Crockett County, plugged April 8, 2021, last operated by Diamond S Energy Company.
The RRC has issued one drilling permit, issued March 22, 1989, permitted to 6,900 ft.
It was permitted by Ladd Petroleum Corp. and has since transferred to Diamond S Energy Company on the wellbore schedule.
Completion filings report 2 formation tops, including Friend Lime, Canyon.
Its lease has reported 180K mcf of gas since January 1993, with no volume in the three years through April 2026.
Operator of record
Permitted by Ladd Petroleum Corp.; the EWA schedule now lists a different operator.
- Based in
- Fort Worth, TX
- P-5 status
- Active – Extension (X)
- P-5 last filed
- Jul 2, 2026
- Permits on file
- 1
- Phone
- (817) 263-3505
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamond S Energy Company |
| Production reports | Diamond S Energy Companythrough Oct 2016 |
| Latest permit | Ladd Petroleum Corp.Mar 22, 1989 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 6,900
- total depth, ft
- 1
- permits on file
- Mar 22, 1989
- last permit issued
- May 7, 1989
- completed
- 0
- cumulative oil, bbl
- 180K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Oct 2016
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- May 7, 1989
- Shut in
- —
- Plugged
- Apr 8, 2021
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Pierce-Henderson State "Z" G-9-130711 | Ozona (Canyon Sand) | Diamond S Energy Company | 1 | 0 | 180K | Jan 1993 – Oct 2016 |
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.
- 1Amax Oil & Gas Inc.Jan 1993 → Mar 1994
- 2Union Pacific Resources CompanyApr 1994 → Jan 2001
- 3Rme Petroleum CompanyFeb 2001 → Nov 2002
- 4Anadarko E&P Company LPDec 2002 → Oct 2005
- 5Diamond S Energy CompanyNov 2005 → Oct 2016
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 357324-99 | Drill | Ladd Petroleum Corp. | Mar 22, 1989 | Mar 22, 1989 | — | 6,900 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 7, 1989 | Pierce-Henderson State Z G-9-130711 | Ozona (Canyon Sand) | Diamond S Energy Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,235 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Friend Lime | 5,725 | -3,490 |
| CanyonTOP OF CANYON SAND | 6,160 | -3,925 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 6,200 | 6,854 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 8.625 | 1,206 | 12.25 | 550 S |
| 4.5 | 6,945 | 7.875 | 400 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. The record date is the RRC's own date on the record, not the day the report was filed: 462,034 of the state's filings carry 1984-01-12. About these reports →
| Suffix | RRC record date | W-2 / G-1 date | Logs referenced |
|---|---|---|---|
| 00 | Jun 20, 1989 | May 17, 1989 | Yes |
| 00 | Jun 14, 1989 | — | — |
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 42-105-35607 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-105-35607 → scanned completion filings
Log images filed since 2004 open from the RRC's log search for this well; none are loaded here for it. The University Lands library has no per-well link: then paste it into its 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/10535607, documented in the API reference.