TEXAS · WELLS · ZAPATA COUNTY · API 42-505-31304 · DISTRICT 04
Zachry H. B. Co. #1
Zapata County · Fandango (Wilcox Consolidated) field · Temp Abandoned · Vertical
Zachry H. B. CO. #1 (API 42-505-31304) is a well in Zapata County operated by Stx Operating Company, completed May 8, 2000 and listed as temp abandoned on the RRC schedule, shut in May 1, 2020.
The RRC has issued 2 drilling permits (amended once) between 1980 and 1990, permitted to 18,130 ft.
It was permitted by Shell Western E&P Inc. and has since transferred to Stx Operating Company on the wellbore schedule.
Completion filings report 5 formation tops, including Yegua, Cook Mountain, Sparta, Queen City.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by Shell Western E&P Inc.; the EWA schedule now lists a different operator.
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Shell Western E&P Inc. |
| Production reports | Rockdale Energy, LLCthrough Apr 2020 |
| Latest permit | Shell Western E&P Inc.Sep 20, 1990 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 18,130
- total depth, ft
- 3
- permits on file
- Sep 20, 1990
- last permit issued
- May 8, 2000
- completed
- 0
- cumulative oil, bbl
- 3.97M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- May 8, 2000
- Shut in
- May 1, 2020
- Plugged
- —
Operator's P-5 on the schedule: Active (A)
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; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Zachry, H. B. Co. G-4-139140 | Fandango (Wilcox, Upper T9) | Block "T" Petroleum, Inc. | 1 | 0 | 3.97M | Jan 1993 – Jul 2026 |
| — G-4-97539 | — | — | 0 | 0 | 0 | — |
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.
- 1Shell Western E&P Inc.Dec 1994 → Feb 2000
- 2Shell Western E&PMar 2000 → Dec 2007
- 3Comstock Oil & Gas, LPJan 2008 → Nov 2016
- 4Rockdale Energy, LLCDec 2016 → Apr 2020
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 378110-98 | Recompletion | Shell Western E&P Inc. | May 22, 1991 | Sep 20, 1990 | Jun 1, 1991 | 18,130 |
| 378110-99 | Recompletion | Shell Western E&P Inc. | Sep 18, 1990 | Sep 20, 1990 | — | 18,130 |
| 97591-99 | Drill | Shell Oil Company | Oct 30, 1980 | Oct 30, 1980 | Nov 23, 1980 | 20,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| May 8, 2000 | Zachry H. B. Co. G-4-139140 | Fandango (Wilcox Consolidated) | STX Operating Company | Temp Abandoned · shut in May 1, 2020 | 18,130 |
| Nov 17, 1981 | Zachry H. B. Co. G-4-97539 | Fandango (Wilcox Upper U) | Shell Western E&P Inc. | Not on Schedule | — |
Formation tops
As filed on W-2/G-1. Subsea from 599 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yegua | 2,318 | -1,719 |
| Cook Mountain | 3,775 | -3,176 |
| Sparta | 4,950 | -4,351 |
| Queen City | 5,583 | -4,984 |
| WilcoxUPPER WILCOX | 13,587 | -12,988 |
| WilcoxUPPER WILCOX U | 17,150 | -16,551 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 14,686 | 14,716 | Perforated |
| 15,282 | 15,296 | Perforated |
| 15,675 | 15,685 | Perforated |
| 15,720 | 15,734 | Perforated |
| 16,294 | 16,316 | Perforated |
| 17,151 | 17,200 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 20 | 1,246 | 26 | 1,700 S |
| 20 | 1,249 | 26 | 1,700 S |
| 13.375 | 8,526 | 17.5 | 5,125 S |
| 2.875 | 16,935 | — | — |
| 5.5 | 17,536 | 5.75 | 665 S |
| 5 | 17,536 | 5.75 | 665 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 | Jul 13, 2000 | Jun 1, 2000 | — |
| 00 | Apr 4, 1997 | Feb 12, 1997 | — |
| 00 | Jul 6, 1995 | Apr 3, 1995 | — |
| 00 | May 24, 1995 | Mar 28, 1995 | — |
| 00 | Mar 29, 1995 | Jan 6, 1995 | — |
| 00 | Nov 9, 1994 | Sep 21, 1994 | — |
| 00 | Mar 10, 1992 | Jul 19, 1991 | Yes |
| 00 | Sep 9, 1991 | — | — |
| 00 | Jan 12, 1984 | Dec 16, 1981 | — |
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 42-505-31304 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-31304 → 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/50531304, documented in the API reference.