WELL · 42-135-43894 · DISTRICT 8
Tom Sawyer 43-6 C #4BN
Ector County · Peart (Barnett) field · Producing · Horizontal
Tom Sawyer 43-6 C #4BN (API 42-135-43894) is a horizontal well in Ector County operated by Diamondback E&P LLC, completed March 16, 2023 and listed as producing on the RRC schedule.
The RRC has issued one drilling permit (amended twice), issued May 3, 2022, permitted to 13,000 ft.
Completion filings report 10 formation tops, including Yates, Seven Rivers, Queen, Grayburg.
Its lease has reported 190K barrels of oil and 224K mcf of gas since March 2023, last reporting in July 2026.
Operator of record
Midland, TX · P-5 Y, filed Mar 4, 2026 · 5,237 permits on file · (855) 247-5920
SOURCE · RRC EWA WELLBORE SCHEDULE
What each RRC source says
| Wellbore schedule | Diamondback E&P LLC |
| Production reports | Diamondback E&P LLCthrough Apr 2026 |
| Latest permit | Diamondback E&P LLCMay 3, 2022 |
- 13,000
- total depth, ft
- 3
- permits on file
- May 3, 2022
- last permit issued
- Mar 16, 2023
- completed
- 190K
- cumulative oil, bbl
- 224K
- cumulative gas, mcf
PRODUCTION FROM PDQ LEASE REPORTS · Mar 2023 THROUGH Jul 2026
Regulatory status · RRC wellbore file
- Schedule
- ON SCHEDULE
- Completed
- Mar 16, 2023
- Shut in
- —
- Plugged
- —
Operator's P-5 on the schedule: X
Surface location
31.668485, -102.467389
OpenStreetMap → · Google Maps →
Permit surface location from the RRC GIS record, in Ector 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 |
|---|---|---|---|---|---|---|
| Tom Sawyer 43-6 C O-10-59507 | Peart (Barnett) | Diamondback E&P LLC | 1 | 190K | 224K | Mar 2023 – Jul 2026 |
Oil, barrels lease total
Last 12 months 40,702 · prior 12 49,553(-18%)
Gas, mcf lease total
Last 12 months 46,272 · prior 12 55,394(-16%)
Chain of custody
Every operator that reported production on this well's lease, in order.
- 1Diamondback E&P LLCMar 2023 → Apr 2026
Permits
| Permit | Type | Operator | Received | Issued | Spud | Depth |
|---|---|---|---|---|---|---|
| 879535-97 | Drill | Diamondback E&P LLC | Sep 19, 2023 | May 3, 2022 | Nov 12, 2022 | 10,480 |
| 879535-98 | Drill | Diamondback E&P LLC | May 16, 2023 | May 3, 2022 | Nov 12, 2022 | 10,233 |
| 879535-99 | Drill | Diamondback E&P LLC | Apr 27, 2022 | May 3, 2022 | Nov 12, 2022 | 13,000 |
Completions
| Completed | Lease | Field | Operator | Status | Depth |
|---|---|---|---|---|---|
| — | — O-10-59507 | — | — | — | — |
Formation tops
As filed on W-2/G-1. Subsea from 2,857 ft elevation.Download CSV →
| Formation | MD ft | Subsea |
|---|---|---|
| Yates | 2,794 | 63 |
| Seven Rivers | 2,978 | -121 |
| Queen | 3,513 | -656 |
| Grayburg | 3,789 | -932 |
| San AndresSAN ANDRES - HIGH FLOWS, H2S, CO | 4,012 | -1,155 |
| Glorieta | 5,375 | -2,518 |
| Clear ForkCLEARFORK | 6,081 | -3,224 |
| Holt | — | — |
| Santa RosaSANTA ROSA BASE | — | — |
| Tubb | — | — |
Perforations
Perforated and open-hole intervals.
| From | To | Type |
|---|---|---|
| 10,938 | 21,327 | Perforated |
Casing
Strings as reported, shallowest first.
| Casing in | Set at | Hole in | Cement |
|---|---|---|---|
| 13.375 | 1,956 | 17.5 | 1,560 S |
| 9.625 | 9,840 | 12.25 | 1,260 S |
| 5.5 | 21,395 | 6.75 | 3,020 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 25, 2023 | Jun 30, 2023 | 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 42-135-43894 → W-2, G-1, plugging reports, as PDFs
- Completion packets for 42-135-43894 → 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.
Tom Sawyer 43-6 A42-135-43823
0.7 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,830 | 36 |
| Seven Rivers | 2,972 | -106 |
| Queen | 3,540 | -674 |
| Grayburg | 3,858 | -992 |
| San Andres | 4,044 | -1,178 |
| Glorieta | 5,339 | -2,473 |
| Clear Fork | 6,013 | -3,147 |
| Holt | — |
10 TOPS · FIRST 8
Xanadu 3142-135-43683
1.5 KM · Diamondback E&P LLC · Section with this well →
| Santa Rosa | 1,648 | 1,231 |
| Yates | 2,811 | 68 |
| Seven Rivers | 3,001 | -122 |
| Queen | 3,534 | -655 |
| Grayburg | 3,817 | -938 |
| San Andres | 4,306 | -1,427 |
| Glorieta | 5,301 | -2,422 |
| Clear Fork | 5,393 | -2,514 |
17 TOPS · FIRST 8
Earthshine 42-43 A42-135-43805
1.8 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,808 | 79 |
| Seven Rivers | 3,015 | -128 |
| Queen | 3,589 | -702 |
| Grayburg | 3,884 | -997 |
| San Andres | 4,111 | -1,224 |
| Glorieta | 5,351 | -2,464 |
| Clear Fork | 6,062 | -3,175 |
| Santa Rosa | — |
10 TOPS · FIRST 8
Dreamline 41-44 A42-135-43877
2.8 KM · Diamondback E&P LLC · Section with this well →
| Clear Fork | 6,565 | -3,583 |
| Santa Rosa | — | |
| Seven Rivers | — | |
| Tubb | — | |
| Yates | — | |
| San Andres | — | |
| Glorieta | — | |
| Grayburg | — |
10 TOPS · FIRST 8
Red Barchetta 30-1942-135-43764
3.0 KM · Diamondback E&P LLC · Section with this well →
| Yates | 2,838 | 85 |
| Seven Rivers | 3,059 | -136 |
| Queen | 3,646 | -723 |
| Grayburg | 3,910 | -987 |
| San Andres | 4,115 | -1,192 |
| Clear Fork | 5,294 | -2,371 |
| Glorieta | — | |
| Holt | — |
10 TOPS · FIRST 8
Edwards42-135-43525
3.2 KM · Turrentine Oil & Gas, Inc. · Section with this well →
| Santa Rosa | 1,112 | 1,897 |
| Yates | 3,058 | -49 |
| Seven Rivers | 3,265 | -256 |
| Queen | 3,577 | -568 |
| Grayburg | 4,282 | -1,273 |
| Tubb | — | |
| Clear Fork | — | |
| San Andres | — |
10 TOPS · FIRST 8
SDB 40/33 A42-135-44152
4.2 KM · Mewbourne Oil Company · Section with this well →
| Santa Rosa | 1,366 | 1,568 |
| Yates | 3,106 | -172 |
| Seven Rivers | 3,390 | -456 |
| Queen | 4,001 | -1,067 |
| Grayburg | 4,491 | -1,557 |
| San Andres | 4,583 | -1,649 |
| Glorieta | 5,651 | -2,717 |
| Clear Fork | 6,308 | -3,374 |
10 TOPS · FIRST 8
Joben 39/3442-135-44129
4.2 KM · Mewbourne Oil Company · Section with this well →
| Santa Rosa | 1,363 | 1,572 |
| Yates | 3,107 | -172 |
| Seven Rivers | 3,390 | -455 |
| Queen | 4,006 | -1,071 |
| Grayburg | 4,512 | -1,577 |
| San Andres | 4,604 | -1,669 |
| Glorieta | 5,683 | -2,748 |
| Clear Fork | 6,364 | -3,429 |
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/13543894, documented in the API reference.