TEXAS · WELLS · HOWARD COUNTY · GRANTHAM 31 LEASE · API 42-227-37695 · DISTRICT 7B
Grantham 31 #1
Howard County · Garden City S. (Wolfcamp) field · Vertical
Grantham 31 #1 (API 42-227-37695) is a plugged well in Howard County, plugged May 7, 2024, last operated by SM Energy Company.
The RRC has issued one drilling permit (amended once), issued November 1, 2013, permitted to 12,000 ft.
It was permitted by Laredo Petroleum, Inc. and has since transferred to SM Energy Company on the wellbore schedule.
Completion filings report 11 formation tops, including Yates, Seven Rivers, San Andres, Glorieta.
Its lease has reported 47.1K barrels of oil and 153K mcf of gas since April 2014, last reporting in June 2024. The lease carries 2 wells, so these are lease totals, not this well alone.
Operator of record
Permitted by Laredo Petroleum, Inc.; the EWA schedule now lists a different operator.
- Based in
- Midland, TX
- P-5 status
- Active (A)
- P-5 last filed
- Sep 3, 2025
- Permits on file
- 2,485
- Phone
- (303) 861-8140
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | SM Energy Company |
| Production reports | SM Energy Companythrough Mar 2021 |
| Latest permit | Laredo Petroleum, Inc.Nov 1, 2013 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 12,000
- total depth, ft
- 2
- permits on file
- Nov 1, 2013
- last permit issued
- Mar 15, 2021
- completed
- 47.1K
- cumulative oil, bbl
- 153K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Apr 2014 THROUGH Jun 2024
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Mar 15, 2021
- Shut in
- —
- Plugged
- May 7, 2024
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 31 O-10-45878 | Garden City, S. (Wolfcamp) | SM Energy Company | 2 | 47.1K | 153K | Apr 2014 – Jun 2024 |
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.
- 1Laredo Petroleum, Inc.Apr 2014 → Jan 2017
- 2SM Energy CompanyFeb 2017 → Jan 2021
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 772164-98 | Drill | Laredo Petroleum, Inc. | Feb 21, 2014 | Nov 1, 2013 | Jan 7, 2014 | 12,000 |
| 772164-99 | Drill | Laredo Petroleum, Inc. | Oct 21, 2013 | Nov 1, 2013 | Jan 6, 2014 | 12,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| Mar 15, 2021 | Grantham 31 O-10-45878 | Garden City S. (Wolfcamp) | SM Energy Company | Plugged | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,501 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,715 | 786 |
| Seven Rivers | 1,868 | 633 |
| San Andres | 2,800 | -299 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 2,800 | -299 |
| Glorieta | 3,537 | -1,036 |
| Clear ForkCLEARFORK | 4,154 | -1,653 |
| Clear ForkCLEARFORK - SEVERE WATER FLOWS | 4,154 | -1,653 |
| Spraberry | 5,282 | -2,781 |
| Leonard | 6,400 | -3,899 |
| Dean | 6,824 | -4,323 |
| Wolfcamp | 6,825 | -4,324 |
| Strawn | 9,347 | -6,846 |
| Coleman Junction | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 7,890 | 9,880 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 290 | 17.5 | 285 S |
| 8.625 | 6,068 | 11 | 1,055 S |
| 5.5 | 10,664 | 7.875 | 490 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 20, 2021 | Apr 13, 2021 | — |
| 00 | Mar 24, 2015 | Jan 26, 2015 | Yes |
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 42-227-37695 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-227-37695 → 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/22737695, documented in the API reference.