WELL LOGS · UNITED STATES · ONE ROW PER LOG
Well logs within 2 mi of API 42-329-31972
Well logs loaded into Petrora from the regulators' log indexes, newest received first: what each measures, whether it is a digital LAS file or an image, the interval filed for it, and the formations it spans by the well's own tops. Loaded so far for Texas; more states and data sources will follow. Petrora lists these logs; each well's page links to the regulator for the files.
Distances are to the nearest location on file for each well (a horizontal has several along its path), in miles. Locations are surface and path points as mapped, not bottom-hole surveys.
189 LOG FILES ON 166 WELLS · A LOG'S LAS AND IMAGE IN ONE ROW · PAGE 1 OF 4
| Well | Distancemi | Logas described | Intervalft, as filed | Datereceived |
|---|---|---|---|---|
| Cass a #142-329-35777Midland, TX · Pioneer Natural Res. USA Inc. | 0.27 | NEUTRON POROSITYTIFF | 4,450 to 10,382 | Aug 18, 2008run Sep 26, 2007 |
| Cass-Ernest E20O #15HHZ42-329-42634Midland, TX · Pioneer Natural Res. USA Inc. | 0.37 | Gamma RayTIFF | 0 to 9,998 | Apr 24, 2019 |
| Cass-Ernest E20N #14HHZ42-329-42633Midland, TX · Pioneer Natural Res. USA Inc. | 0.37 | Gamma RayTIFF | 0 to 9,866 | Apr 30, 2019 |
| Cass-Ernest E20M #13HHZ42-329-42632Midland, TX · Pioneer Natural Res. USA Inc. | 0.37 | Gamma RayTIFF | 0 to 9,994 | Apr 25, 2019 |
| Cass-Ernest E20L #12HHZ42-329-46082Midland, TX · Pioneer Natural Res. USA Inc. | 0.40 | Measure While Drilling (MWD)TIFF | 1,545 to 16,182 | Sep 28, 2023 |
| Cass-Ernest E20K #11HHZ42-329-43007Midland, TX · Pioneer Natural Res. USA Inc. | 0.40 | Measure While Drilling (MWD)TIFF | 1,526 to 17,468 | Oct 10, 2023 |
| Cass-Ernest E20X #24HHZ42-329-43105Midland, TX · Pioneer Natural Res. USA Inc. | 0.40 | Measure While Drilling (MWD)TIFF | 1,554 to 17,444 | Dec 8, 2023 |
| Cass-Ernest E20J #10HHZ42-329-46081Midland, TX · Pioneer Natural Res. USA Inc. | 0.40 | Measure While Drilling (MWD)TIFF | 1,523 to 16,300 | Sep 29, 2023 |
| Cass-Ernest E20W #23HHZ42-329-46086Midland, TX · Pioneer Natural Res. USA Inc. | 0.40 | Measure While Drilling (MWD)TIFF | 1,541 to 8,765 | Nov 16, 2023 |
| Ulvestad-Birkhead E20I #9HHZ42-329-42631Midland, TX · Pioneer Natural Res. USA Inc. | 0.41 | Gamma RayTIFF | 0 to 9,998 | Apr 23, 2019 |
| Cass-Ernest E20V #22HHZ42-329-46085Midland, TX · Pioneer Natural Res. USA Inc. | 0.41 | Measure While Drilling (MWD)TIFF | 1,531 to 17,050 | Nov 29, 2023 |
| Ulvestad-Birkhead E20H #8HHZ42-329-42630Midland, TX · Pioneer Natural Res. USA Inc. | 0.41 | Gamma RayTIFF | 0 to 9,928 | Apr 18, 2019 |
| Cass-Ernest E20U #21HHZ42-329-46084Midland, TX · Pioneer Natural Res. USA Inc. | 0.41 | Measure While Drilling (MWD)TIFF | 1,533 to 16,316 | Nov 16, 2023 |
| Ulvestad-Birkhead E20G #7HHZ42-329-42621Midland, TX · Pioneer Natural Res. USA Inc. | 0.41 | Gamma RayTIFF | 0 to 9,974 | Apr 18, 2019 |
| Cass-Ernest E20T #20HHZ42-329-46083Midland, TX · Pioneer Natural Res. USA Inc. | 0.41 | Measure While Drilling (MWD)TIFF | 1,538 to 16,647 | Nov 15, 2023 |
| Cass-Ernest E20S #19HHZ42-329-43006Midland, TX · Pioneer Natural Res. USA Inc. | 0.42 | Measure While Drilling (MWD)TIFF | 1,531 to 17,433 | Dec 4, 2023 |
| Tubb-Vaughn 21F #106HHZ42-329-45467Midland, TX · Pioneer Natural Res. USA Inc. | 0.42 | Measure While Drilling (MWD)TIFF | 1,600 to 20,950 | Dec 16, 2022 |
| Tubb-Vaughn 21E #105HHZ42-329-45455Midland, TX · Pioneer Natural Res. USA Inc. | 0.42 | Measure While Drilling (MWD)TIFF | 1,600 to 20,050 | Nov 10, 2022 |
| Tubb-Vaughn 21D #104HHZ42-329-45456Midland, TX · Pioneer Natural Res. USA Inc. | 0.43 | Measure While Drilling (MWD)TIFF | 1,600 to 20,500 | Dec 16, 2022 |
| Ulvestad #542-329-39556Midland, TX · Pioneer Natural Res. USA Inc. | 0.43 | NEUTRON POROSITYTIFF | 1,580 to 11,155 | May 5, 2015run Oct 24, 2014 |
| Tubb-Vaughn 21C #103HHZ42-329-45454Midland, TX · Pioneer Natural Res. USA Inc. | 0.43 | Cement BondTIFF | 0 to 8,780 | Nov 16, 2022 |
| Tubb-Vaughn 21B #102HHZ42-329-45465Midland, TX · Pioneer Natural Res. USA Inc. | 0.44 | Measure While Drilling (MWD)TIFF | 1,600 to 20,850 | Dec 16, 2022 |
| Tubb-Vaughn 21A #101HHZ42-329-45453Midland, TX · Pioneer Natural Res. USA Inc. | 0.44 | Gamma RayTIFF | 9,250 to 10,324 | Nov 29, 2022 |
| Tubb-Vaughn 21A #101HHZ42-329-45453Midland, TX · Pioneer Natural Res. USA Inc. | 0.44 | Measure While Drilling (MWD)TIFF | 1,600 to 20,000 | Oct 28, 2022 |
| Tubb 21 L Unit #1HHZ42-329-40983Midland, TX · Pioneer Natural Res. USA Inc. | 0.50 | Gamma RayLAS + TIFF | 0 to 10,000 | Oct 31, 2017 |
| Tubb 21 L Unit #1HHZ42-329-40983Midland, TX · Pioneer Natural Res. USA Inc. | 0.50 | Gamma RayTIFF | 0 to 10,000 | Oct 4, 2017 |
| Ulvestad #242-329-38615Midland, TX · Pioneer Natural Res. USA Inc. | 0.50 | NEUTRON POROSITYTIFF | 4,419 to 11,190 | Mar 4, 2015run Jan 24, 2014 |
| Tubb 21 U Unit #2HHZ42-329-40984Midland, TX · Pioneer Natural Res. USA Inc. | 0.50 | Gamma RayLAS + TIFF | 0 to 9,707 | Jul 28, 2017 |
| Tubb 21 U Unit #2HHZ42-329-40984Midland, TX · Pioneer Natural Res. USA Inc. | 0.50 | Gamma RayLAS + TIFF | 0 to 9,707 | Dec 5, 2017 |
| Tubb 21 L Unit #3HHZ42-329-40985Midland, TX · Pioneer Natural Res. USA Inc. | 0.50 | Gamma RayLAS + TIFF | 0 to 10,000 | Oct 3, 2017 |
| Tubb 21 L Unit #3HHZ42-329-40985Midland, TX · Pioneer Natural Res. USA Inc. | 0.50 | Gamma RayTIFF | 0 to 10,000 | Oct 30, 2017 |
| Tubb 21 U Unit #4HHZ42-329-40986Midland, TX · Pioneer Natural Res. USA Inc. | 0.50 | Gamma RayTIFF | 0 to 9,934 | Dec 5, 2017 |
| Tubb 21 L Unit #5HHZ42-329-40987Midland, TX · Pioneer Natural Res. USA Inc. | 0.50 | Gamma RayTIFF | 0 to 10,000 | Oct 24, 2017 |
| Tubb 21 L Unit #5HHZ42-329-40987Midland, TX · Pioneer Natural Res. USA Inc. | 0.50 | Gamma RayTIFF | 0 to 10,000 | Oct 11, 2017 |
| Tubb 21 U Unit #6HHZ42-329-40988Midland, TX · Pioneer Natural Res. USA Inc. | 0.50 | Gamma RayLAS + TIFF | 0 to 9,916 | Jul 28, 2017 |
| Tubb 21 U Unit #6HHZ42-329-40988Midland, TX · Pioneer Natural Res. USA Inc. | 0.50 | Gamma RayLAS + TIFF | 0 to 9,916 | Jan 2, 2018 |
| Tubb-Vaughn 21O #115HHZ42-329-45464Midland, TX · Pioneer Natural Res. USA Inc. | 0.53 | Measure While Drilling (MWD)TIFF | 1,570 to 20,541 | Dec 9, 2022 |
| Tubb-Vaughn 21N #114HHZ42-329-45463Midland, TX · Pioneer Natural Res. USA Inc. | 0.53 | Cement BondTIFF | 0 to 8,876 | Nov 4, 2022 |
| Pratt-Vaughn 21G #107HHZ42-329-47209Midland, TX · Pioneer Natural Res. USA Inc. | 0.53 | Gamma RayTIFF | 1,600 to 20,300 | Jun 2, 2025 |
| Tubb-Vaughn 21G #107HHZ42-329-45457Midland, TX · Pioneer Natural Res. USA Inc. | 0.54 | Measure While Drilling (MWD)TIFF | 1,530 to 19,229 | Dec 9, 2022 |
| Tubb-Vaughn 21M #113HHZ42-329-45466Midland, TX · Pioneer Natural Res. USA Inc. | 0.54 | Measure While Drilling (MWD)TIFF | 1,568 to 20,736 | Dec 16, 2022 |
| Pratt-Vaughn 21F #106HHZ42-329-47208Midland, TX · Pioneer Natural Res. USA Inc. | 0.54 | Gamma RayTIFF | 1,600 to 18,500 | May 29, 2025 |
| Stanley-Vaughn 16U Unit #108HHZ42-329-45458Midland, TX · Pioneer Natural Res. USA Inc. | 0.54 | Measure While Drilling (MWD)TIFF | 1,563 to 18,876 | Dec 6, 2022 |
| Tubb-Vaughn 21L #112HHZ42-329-45462Midland, TX · Pioneer Natural Res. USA Inc. | 0.54 | Measure While Drilling (MWD)TIFF | 1,569 to 19,915 | Nov 16, 2022 |
About this data
Well logs loaded into Petrora from the regulators' log indexes, so far for Texas, with more states and data sources to follow; not necessarily every log that exists. These are the logs loaded into Petrora from the Railroad Commission's inventories, not necessarily every log run on the well. The RRC holds the files; each opens from its log search for the well. The kind is the RRC's description of the log; the interval is the one filed for it. A formation is spanned where the log's filed interval overlaps it in the well's own formation tops; both are measured depths as filed, so a horizontal's lateral is counted in the formation it ends in. Kinds are read from the regulator's description of each log, not from its curves. The date is when the log entered the RRC's imaged log database; a run date is shown where the index gives a different one (mostly logs before 2017: since digital filing began that year, the index gives the filing date for both). Nothing is estimated.
Developers: this page as JSON is GET /v1/data/logs, documented in the API reference.