WELL · 42-505-33681 · DISTRICT 4
Haynes Leonard #31
Zapata County · Los Mogotes (Wilcox Cons.) field · Producing · Directional
Haynes Leonard #31 (API 42-505-33681) is a well in Zapata County operated by Merit Energy Company, completed February 12, 2003 and listed as producing on the RRC schedule.
The RRC has issued 2 drilling permits between 1997 and 2001, permitted to 12,500 ft.
It was permitted by North Central Oil Corp. and has since transferred to Merit Energy Company on the wellbore schedule.
Completion filings report 6 formation tops, including Queen City, Wilcox, Asche #1 Sd., Upper Asche.
No lease production has been reported under this well’s leases.
Operator of record
Permitted by North Central Oil Corp.; the EWA schedule now lists a different operator.
Dallas, TX · P-5 Y, filed Sep 4, 2025 · 1,049 permits on file · (972) 628-1559
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Merit Energy Company |
| Production reports | Merit Energy Companythrough Apr 2026 |
| Latest permit | North Central Oil Corp.Jun 1, 2001 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,500
- total depth, ft
- 2
- permits on file
- Jun 1, 2001
- last permit issued
- Feb 12, 2003
- completed
- 0
- cumulative oil, bbl
- 1.95M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Dec 1997 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 12, 2003
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: Active
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 |
|---|---|---|---|---|---|---|
| Haynes, Leonard G-4-167995 | Los Mogotes (Lobo 6) | Merit Energy Company | 1 | 0 | 724K | Dec 1997 – Jul 2026 |
| Haynes, Leonard G-4-185290 | Los Mogotes (Wilcox Cons.) | Merit Energy Company | 1 | 0 | 1.22M | Sep 2001 – Jul 2026 |
Gas, mcf lease total
Last 12 months 4,735 · prior 12 6,008(-21%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Hunt, Wm. Herbert, Trust Est.Dec 1997 → Sep 1998
- 2Petro-Hunt, L.L.C.Oct 1998 → Apr 1999
- 3North Central Oil Corp.May 1999 → Dec 2005
- 4Pogo Producing CompanyJan 2006 → Jan 2008
- 5Pogo Producing Company LLCFeb 2008 → Aug 2011
- 6Plains Exploration & Prod. Co.Sep 2011 → Feb 2012
- 7OXY USA Inc.Mar 2012 → Apr 2017
- 8Merit Energy CompanyMay 2017 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 509504-99 | Recompletion | North Central Oil Corp. | May 29, 2001 | Jun 1, 2001 | Aug 30, 2001 | 12,207 |
| 467620-99 | Drill | Hunt, Wm. Herbert, Trust Est. | Sep 15, 1997 | Sep 15, 1997 | Oct 1, 1997 | 12,500 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — G-4-167995 | — | — | — | — |
| — | — G-4-185290 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 479 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Queen City | 2,820 | -2,341 |
| Wilcox | 5,450 | -4,971 |
| Asche #1 Sd. | 8,055 | -7,576 |
| Upper Asche | 8,055 | -7,576 |
| Lower Asche | 9,065 | -8,586 |
| Lwr. Asche Sd. | 9,065 | -8,586 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 8,118 | 8,130 | Perforated |
| 10,902 | 10,922 | Perforated |
| 10,948 | 10,958 | Perforated |
| 11,004 | 11,016 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,114 | 17.5 | 990 S |
| 9.625 | 7,589 | 12.25 | 1,300 S |
| 7.625 | 9,400 | 8.5 | 230 S |
| 5.5 | 12,293 | 6.75 | 405 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 30, 2003 | Mar 10, 2003 | — |
| 00 | Nov 28, 2001 | Oct 1, 2001 | Yes |
| 00 | Nov 7, 2001 | — | — |
| 00 | Jun 16, 1998 | Jan 16, 1998 | Yes |
| 00 | May 26, 1998 | — | — |
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 42-505-33681 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-505-33681 → 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/50533681, documented in the API reference.