WELL · 42-227-34478 · DISTRICT 8
Grantham #1
Howard County · Vertical
Grantham #1 (API 42-227-34478) is a permitted well in Howard County filed by Blair, Jack N.; no completion report is on file yet.
The RRC has issued 2 drilling permits (amended once) between 1989 and 1990, permitted to 11,000 ft.
Completion filings report 6 formation tops, including Yates, Base Of The Dean, Pennsylvanian, Strawn.
Its lease has reported 101K barrels of oil and 310 mcf of gas since January 1993, last reporting in March 2022. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Midland, TX · P-5 Y, filed Nov 8, 2002 · 70 permits on file
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | none |
| Production reports | Stephens, Autry C.through Aug 2000 |
| Latest permit | Blair, Jack N.Sep 10, 1990 |
- 11,000
- total depth, ft
- 3
- permits on file
- Sep 10, 1990
- last permit issued
- —
- completed
- 101K
- cumulative oil, bbl
- 310
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Jan 1993 THROUGH Mar 2022
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- —
- Shut in
- —
- Plugged
- —
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 2 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Grantham O-10-32368 | Cracker Jack (Fusselman) | Endeavor Energy Resources L.P. | 2 | 101K | 310 | Jan 1993 – Mar 2022 |
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.
- 1Blair, Jack N.Jan 1993 → Sep 1995
- 2Petroplex Equipment, Inc.Oct 1995 → Jul 1999
- 3Stephens, Autry C.Aug 1999 → Aug 2000
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 377797-98 | Other | Blair, Jack N. | Sep 12, 1990 | Sep 10, 1990 | — | 11,000 |
| 377797-99 | Recompletion | Blair, Jack N. | Sep 10, 1990 | Sep 10, 1990 | — | 11,000 |
| 362521-99 | Drill | Blair, Jack N. | Aug 8, 1989 | Aug 8, 1989 | — | 11,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-32368 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,644 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,935 | 709 |
| Base of the Dean | 7,930 | -5,286 |
| PennsylvanianPENN | 8,640 | -5,996 |
| Strawn | 9,430 | -6,786 |
| Woodford | 10,285 | -7,641 |
| Fusselman | 10,350 | -7,706 |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,356 | 10,389 | Open hole |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 12.75 | 376 | 17.5 | 450 S |
| 8.625 | 3,149 | 11 | 1,745 S |
| 5.5 | 10,356 | 7.875 | 450 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 | Oct 23, 1989 | Sep 29, 1989 | Yes |
| 00 | Oct 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 42-227-34478 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-227-34478 → 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/22734478, documented in the API reference.