TEXAS · WELLS · HIDALGO COUNTY · API 42-215-31640 · DISTRICT 04
Hamman John B #21D
Hidalgo County · Monte Christo (F-4) field · Vertical
Hamman John B #21D (API 42-215-31640) is a plugged well in Hidalgo County, plugged December 27, 2012, last operated by Mobil Producing TX. & N.M. Inc..
The RRC has issued 4 drilling permits between 1985 and 1995, permitted to 9,200 ft.
Completion filings report 4 formation tops, including F-5, F-6, F-8, F-12.
Operator of record
Mobil Producing TX. & N.M. Inc.
- Based in
- Spring, TX
- P-5 status
- Active (A)
- P-5 last filed
- Jun 4, 2025
- Permits on file
- 6,763
- Phone
- (346) 474-9142
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Mobil Producing TX. & N.M. Inc.through Mar 1995 |
| Latest permit | Mobil Producing TX. & N.M. Inc.Feb 14, 1995 |
- 9,200
- total depth, ft
- 4
- permits on file
- Feb 14, 1995
- last permit issued
- Apr 9, 1990
- completed
- 0
- cumulative oil, bbl
- 32.2K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Dec 2012
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Apr 9, 1990
- Shut in
- —
- Plugged
- Dec 27, 2012
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 3 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 |
|---|---|---|---|---|---|---|
| Hamman, John "B" G-4-119621 | Monte Christo (Frio F-5) | Newfield Exploration Company | 1 | 0 | 32.2K | Jan 1993 – Dec 2012 |
| Hamman, John "B" G-4-137562 | Monte Christo (F-4) | Mobil Producing TX. & N.M. Inc. | 1 | 0 | 0 | Jan 1993 – Apr 2003 |
| — G-4-127133 | — | — | 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.
- 1Mobil Producing TX. & N.M. Inc.Jan 1993 → Mar 1995
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 432911-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Feb 14, 1995 | Feb 14, 1995 | — | 8,650 |
| 371349-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Mar 23, 1990 | Mar 23, 1990 | — | 8,650 |
| 343779-99 | Recompletion | Mobil Producing TX. & N.M. Inc. | Mar 11, 1988 | Mar 15, 1988 | — | 8,650 |
| 281504-99 | Drill | Superior Oil Company, The | Oct 28, 1985 | Jul 31, 1985 | — | 9,200 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Apr 9, 1990 | Hamman John B G-4-137562 | Monte Christo (F-4) | Mobil Producing TX. & N.M. Inc. | Plugged | — |
| Mar 31, 1988 | Hamman John B G-4-127133 | Monte Christo (F-6) | Mobil Producing TX. & N.M. Inc. | Plugged | — |
| Dec 22, 1985 | Hamman John B G-4-119621 | Monte Christo (Frio Cons.) | Newfield Exploration Company | Plugged | — |
| Nov 22, 1985 | Hamman John B G-4-119622 | Monte Christo (F-8) | Mobil Producing TX. & N.M. Inc. | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 185 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| F-5 | 7,800 | -7,615 |
| F-6 | 7,850 | -7,665 |
| F-8 | 8,114 | -7,929 |
| F-12 | 8,498 | -8,313 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,699 | 7,719 | Perforated |
| 7,800 | 7,844 | Perforated |
| 7,928 | 7,940 | Perforated |
| 7,939 | 7,969 | Perforated |
| 8,114 | 8,180 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 16 | 60 | — | — |
| 9.625 | 1,852 | 12.25 | 560 S |
| 9.625 | 1,852 | — | — |
| 2.875 | 8,648 | 8.75 | 2,417 S |
| 2.875 | 8,648 | — | — |
| 2.875 | 8,650 | 8.75 | 2,417 S |
| 2.875 | 8,650 | — | — |
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 | May 20, 1991 | May 14, 1990 | Yes |
| 00 | Apr 8, 1991 | — | — |
| 00 | Jun 16, 1988 | May 4, 1988 | Yes |
| 00 | Jun 4, 1988 | — | — |
| 00 | Feb 26, 1986 | Feb 6, 1986 | Yes |
| 00 | Feb 3, 1986 | Jan 16, 1986 | Yes |
| 00 | Jan 23, 1986 | — | — |
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 42-215-31640 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-215-31640 → 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/21531640, documented in the API reference.