WELL · 42-317-42317 · DISTRICT 8
Bigtooth Maple C #4AA
Martin County · Spraberry (Trend Area) R 40 Exc field · Producing · Horizontal
Bigtooth Maple C #4AA (API 42-317-42317) is a horizontal well in Martin County operated by Oxyrock Operating LLC, completed February 26, 2020 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit, issued May 28, 2019, permitted to 10,300 ft.
It was permitted by Crownquest Operating, LLC and has since transferred to Oxyrock Operating LLC on the wellbore schedule.
Completion filings report 10 formation tops, including Yates, Grayburg, San Andres, Spraberry.
Its lease has reported 139K barrels of oil and 1.07M mcf of gas since February 2020, last reporting in July 2026.
Operator of record
Permitted by Crownquest Operating, LLC; the EWA schedule now lists a different operator.
Houston, TX · P-5 Y, filed Mar 4, 2026 · 392 permits on file · (713) 215-7000
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Oxyrock Operating LLC |
| Production reports | Oxyrock Operating, LLCthrough Apr 2026 |
| Latest permit | Crownquest Operating, LLCMay 28, 2019 |
The sources disagree, which usually means a transfer or a lease-level production filing by a different entity. Petrora goes with the schedule.
- 10,300
- total depth, ft
- 1
- permits on file
- May 28, 2019
- last permit issued
- Feb 26, 2020
- completed
- 139K
- cumulative oil, bbl
- 1.07M
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Feb 2020 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Feb 26, 2020
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
32.326208, -101.721090
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 lease this well is completed on; this well is the only one on it.Why →
| Lease | Field | Reporting operator | Wells | Oil, bbl | Gas, mcf | Reported |
|---|---|---|---|---|---|---|
| Bigtooth Maple C O-10-55252 | Spraberry (Trend Area) R 40 Exc | Oxyrock Operating, LLC | 1 | 139K | 1.07M | Feb 2020 – Jul 2026 |
Gas, mcf lease total
Last 12 months 70,412 · prior 12 12,808(+450%)
Oil, barrels lease total
Last 12 months 2,580 · prior 12 4,687(-45%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Crownquest Operating, LLCFeb 2020 → Jul 2024
- 2Oxyrock Operating, LLCAug 2024 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 853481-99 | Drill | Crownquest Operating, LLC | May 24, 2019 | May 28, 2019 | Jul 7, 2019 | 10,300 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-55252 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,558 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 1,986 | 572 |
| Grayburg | 3,291 | -733 |
| San AndresSAN ANDRES - ACTIVE CO2 FLOOD; H | 3,579 | -1,021 |
| Spraberry | 6,784 | -4,226 |
| Dean | 8,130 | -5,572 |
| Wolfcamp | 8,235 | -5,677 |
| Cisco | — | — |
| Pennsylvanian | — | — |
| Queen | — | — |
| Santa Rosa | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 9,069 | 16,116 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,059 | 17.5 | 955 S |
| 9.625 | 8,476 | 12.25 | 1,400 S |
| 5.5 | 16,232 | 8.5 | 1,510 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 | Jan 27, 2021 | Jul 31, 2020 | 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 42-317-42317 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-317-42317 → 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.
Bigtooth Maple42-317-42315
0.0 KM · Crownquest Operating, LLC · Section with this well →
| Yates | 1,979 | 578 |
| Grayburg | 3,285 | -728 |
| San Andres | 3,572 | -1,015 |
| Spraberry | 5,166 | -2,609 |
| Wolfcamp | 7,902 | -5,345 |
| Queen | — | |
| Pennsylvanian | — | |
| Santa Rosa | — |
10 TOPS · FIRST 8
Bigtooth Maple42-317-42314
0.0 KM · Crownquest Operating, LLC · Section with this well →
| Yates | 1,979 | 578 |
| Grayburg | 3,285 | -728 |
| San Andres | 3,564 | -1,007 |
| Spraberry | 6,763 | -4,206 |
| Dean | 8,025 | -5,468 |
| Wolfcamp | 8,156 | -5,599 |
| Cisco | — | |
| Santa Rosa | — |
10 TOPS · FIRST 8
Bigtooth Maple42-317-42313
0.0 KM · Crownquest Operating, LLC · Section with this well →
| Santa Rosa | 815 | 1,743 |
| Yates | 1,973 | 585 |
| Grayburg | 3,277 | -719 |
| San Andres | 3,559 | -1,001 |
| Spraberry | 6,767 | -4,209 |
| Spraberry | 6,767 | -4,209 |
| Spraberry | 7,248 | -4,690 |
| Cisco | — |
10 TOPS · FIRST 8
Bigtooth Maple D42-317-42318
0.2 KM · Crownquest Operating, LLC · Section with this well →
| Yates | 1,955 | 586 |
| Grayburg | 3,260 | -719 |
| San Andres | 3,543 | -1,002 |
| Spraberry | 6,766 | -4,225 |
| Dean | 8,141 | -5,600 |
| Wolfcamp | 8,301 | -5,760 |
| Cisco | — | |
| Santa Rosa | — |
10 TOPS · FIRST 8
Bigtooth Maple D42-317-42321
0.2 KM · Crownquest Operating, LLC · Section with this well →
| Yates | 1,951 | 591 |
| Grayburg | 3,253 | -711 |
| San Andres | 3,533 | -991 |
| Spraberry | 6,763 | -4,221 |
| Dean | 8,030 | -5,488 |
| Wolfcamp | 8,200 | -5,658 |
| Santa Rosa | — | |
| Pennsylvanian | — |
10 TOPS · FIRST 8
Bigtooth Maple D42-317-42320
0.2 KM · Crownquest Operating, LLC · Section with this well →
| Yates | 1,984 | 558 |
| Grayburg | 3,290 | -748 |
| San Andres | 3,585 | -1,043 |
| Spraberry | 6,837 | -4,295 |
| Spraberry | 7,275 | -4,733 |
| Dean | — | |
| Wolfcamp | — | |
| Santa Rosa | — |
10 TOPS · FIRST 8
Bigtooth Maple E42-317-42283
0.4 KM · Crownquest Operating, LLC · Section with this well →
| Yates | 1,951 | 591 |
| Grayburg | 3,256 | -714 |
| San Andres | 3,538 | -996 |
| Spraberry | 6,756 | -4,214 |
| Dean | 8,059 | -5,517 |
| Wolfcamp | 8,224 | -5,682 |
| Queen | — | |
| Santa Rosa | — |
10 TOPS · FIRST 8
Bigtooth Maple E42-317-42282
0.4 KM · Crownquest Operating, LLC · Section with this well →
| Yates | 1,952 | 590 |
| Grayburg | 3,254 | -712 |
| San Andres | 3,538 | -996 |
| Spraberry | 6,762 | -4,220 |
| Dean | 8,047 | -5,505 |
| Wolfcamp | 8,175 | -5,633 |
| Santa Rosa | — | |
| Queen | — |
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/31742317, documented in the API reference.