WELL · 42-317-39459 · DISTRICT 8
Mabee 239 #306WB
Martin County · Spraberry (Trend Area) field · Horizontal
Mabee 239 #306WB (API 42-317-39459) is a horizontal well in Martin County operated by Cog Operating LLC, completed December 18, 2014.
The RRC has issued one drilling permit (amended twice), issued May 17, 2014, permitted to 13,000 ft.
Completion filings report 11 formation tops, including Santa Rosa, Yates, Queen, Grayburg.
Its 2 leases have reported 3.85M barrels of oil and 9.01M mcf of gas since February 2010, last reporting in July 2026. The leases carry 44 wells, so these are lease totals, not this well alone.
Operator of record
Midland, TX · P-5 Y, filed May 4, 2026 · 4,568 permits on file · (432) 853-2355
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | COG Operating LLC |
| Production reports | COG Operating LLCthrough Apr 2026 |
| Latest permit | Reliance Energy, Inc.May 17, 2014 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 13,000
- total depth, ft
- 3
- permits on file
- May 17, 2014
- last permit issued
- Dec 18, 2014
- completed
- 3.85M
- cumulative oil, bbl
- 9.01M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2010 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- OFF SCHEDULE
- Completed
- Dec 18, 2014
- Shut in
- —
- Plugged
- —
Surface location
32.243431, -102.174457
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Martin County.
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 44 wells in total, so volumes are shared.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Mabee 239 O-10-40493 | Spraberry (Trend Area) | COG Operating LLC | 43 | 3.84M | 9M | Feb 2010 – Jul 2026 |
| Mabee 239 X5 O-10-63775 | Spraberry (Trend Area) | COG Operating LLC | 1 | 5.27K | 5.43K | Jun 2025 – Jul 2026 |
Oil, barrels lease total
Last 12 months 51,217 · prior 12 118,315(-57%)
Gas, mcf lease total
Last 12 months 88,079 · prior 12 345,229(-74%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Reliance Energy, Inc.Mar 2010 → Sep 2016
- 2COG Operating LLCOct 2016 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 784575-97 | Drill | COG Operating LLC | May 20, 2025 | May 17, 2014 | Oct 10, 2014 | 13,000 |
| 784575-98 | Drill | Reliance Energy, Inc. | Jul 7, 2014 | May 17, 2014 | Oct 10, 2014 | 13,000 |
| 784575-99 | Drill | Reliance Energy, Inc. | Apr 14, 2014 | May 17, 2014 | Oct 9, 2014 | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-40493 | — | — | — | — |
| — | — O-10-63775 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,870 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Santa Rosa | 1,344 | 1,526 |
| Yates | 2,931 | -61 |
| Yates | 3,005 | -135 |
| Queen | 4,023 | -1,153 |
| Grayburg | 4,680 | -1,810 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 4,985 | -2,115 |
| Spraberry | 8,244 | -5,374 |
| Dean | 9,534 | -6,664 |
| Wolfcamp | 9,725 | -6,855 |
| Wolfcamp | 9,726 | -6,856 |
| Cisco | — | — |
| Pennsylvanian | — | — |
| Strawn | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,075 | 18,027 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,925 | 17.5 | 1,515 S |
| 10.75 | 5,601 | 12.25 | 530 S |
| 5.5 | 18,120 | 7.875 | 2,180 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 | Sep 15, 2025 | May 14, 2025 | — |
| 00 | Sep 11, 2025 | Feb 12, 2015 | Yes |
| 00 | Jun 17, 2015 | Feb 12, 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 42-317-39459 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-39459 → scanned completion filings
Log images are in archives with no per-well link: the RRC's Neubus archive (2004 onward) and the University Lands library. then paste it into their search.
Nearby wells and their tops
NEAREST 8 LOCATED WELLS WITH TOPS · WITHIN 16 KM
Draw a cross-section
This well's tops beside its 5 nearest neighbours, subsea-aligned so they line up regardless of surface terrain.
Mabee 239 X242-317-39048
0.7 KM · Reliance Energy, Inc. · Section with this well →
| Santa Rosa | 1,340 | 1,523 |
| Yates | 2,894 | -31 |
| Queen | 3,973 | -1,110 |
| Grayburg | 4,645 | -1,782 |
| San Andres | 4,883 | -2,020 |
| Clear Fork | 6,793 | -3,930 |
| Spraberry | 8,223 | -5,360 |
| Dean | 9,511 | -6,648 |
11 TOPS · FIRST 8
Mabee 23942-317-39364
0.8 KM · Reliance Energy, Inc. · Section with this well →
| Santa Rosa | 1,373 | 1,506 |
| Yates | 2,932 | -53 |
| Queen | 4,024 | -1,145 |
| Grayburg | 4,666 | -1,787 |
| San Andres | 4,954 | -2,075 |
| Glorieta | 5,898 | -3,019 |
| Spraberry | 8,272 | -5,393 |
| Dean | 9,603 | -6,724 |
11 TOPS · FIRST 8
Mabee 239 X642-317-39043
0.8 KM · Reliance Energy, Inc. · Section with this well →
| Santa Rosa | 1,375 | 1,491 |
| Yates | 2,892 | -26 |
| Queen | 3,959 | -1,093 |
| Grayburg | 4,711 | -1,845 |
| San Andres | 4,931 | -2,065 |
| Spraberry | 8,238 | -5,372 |
| Dean | 9,526 | -6,660 |
| Wolfcamp | 9,699 | -6,833 |
16 TOPS · FIRST 8
Mabee Dda E2142-317-46957
0.8 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,280 | 1,598 |
| Yates | 2,964 | -86 |
| Queen | 3,687 | -809 |
| Grayburg | 4,222 | -1,344 |
| San Andres | 4,726 | -1,848 |
| Spraberry | 8,293 | -5,415 |
| Dean | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Mabee Dda E2142-317-46958
0.8 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,280 | 1,598 |
| Yates | 2,967 | -89 |
| Queen | 3,698 | -820 |
| Grayburg | 4,239 | -1,361 |
| San Andres | 4,747 | -1,869 |
| Spraberry | 8,319 | -5,441 |
| Dean | 9,657 | -6,779 |
| Wolfcamp | 9,850 | -6,972 |
10 TOPS · FIRST 8
Mabee Dda E2842-317-46971
0.8 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,277 | 1,608 |
| Yates | 2,987 | -102 |
| Queen | 3,712 | -827 |
| Grayburg | 4,248 | -1,363 |
| San Andres | 4,746 | -1,861 |
| Clear Fork | 6,900 | -4,015 |
| Spraberry | — | |
| Dean | — |
10 TOPS · FIRST 8
Mabee Dda E2442-317-46961
0.8 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,280 | 1,598 |
| Yates | 2,974 | -96 |
| Queen | 3,708 | -830 |
| Grayburg | 4,250 | -1,372 |
| San Andres | 4,759 | -1,881 |
| Spraberry | 8,365 | -5,487 |
| Dean | 9,748 | -6,870 |
| Cisco | — |
10 TOPS · FIRST 8
Mabee Dda E2242-317-46959
0.8 KM · COG Operating LLC · Section with this well →
| Santa Rosa | 1,280 | 1,598 |
| Yates | 2,963 | -85 |
| Queen | 3,686 | -808 |
| Grayburg | 4,222 | -1,344 |
| San Andres | 4,726 | -1,848 |
| Spraberry | 8,308 | -5,430 |
| Cisco | — | |
| Dean | — |
10 TOPS · FIRST 8
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/31739459, documented in the API reference.