WELL LOGS · UNITED STATES · ONE ROW PER LOG
Well logs within 2 mi of API 42-235-36331
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.
56 LOG FILES ON 41 WELLS · A LOG'S LAS AND IMAGE IN ONE ROW · PAGE 1 OF 2
| Well | Distancemi | Logas described | Intervalft, as filed | Datereceived |
|---|---|---|---|---|
| University 43 #0902WCHZ42-235-36570Irion, TX · Sem Operating Company LLC | 0.24 | Measure While Drilling (MWD)TIFF | 0 to 15,780 | Apr 22, 2026 |
| University 43 #0906WCHZ42-235-36571Irion, TX · Sem Operating Company LLC | 0.24 | Measure While Drilling (MWD)TIFF | 0 to 15,563 | Apr 22, 2026 |
| University 43-13 #1HHZ42-235-34815Irion, TX · Permian Resources Operating LLC | 0.28 | SURVEYS CASED HOLETIFF | 6,060 to 13,920 | Mar 18, 2013run Oct 7, 2011 |
| University 43 #R903WCHZ42-235-36563Irion, TX · Sem Operating Company LLC | 0.34 | Measure While Drilling (MWD)TIFF | 0 to 15,490 | Nov 21, 2025 |
| University 43-13 #3HHZ42-235-35253Irion, TX · Permian Resources Operating LLC | 0.56 | NEUTRON/DENSITY POROSITYTIFF | 200 to 6,608 | Feb 12, 2014run Mar 18, 2013 |
| University 43 a #0811WCHZ42-235-36488Irion, TX · Sem Operating Company LLC | 0.61 | Measure While Drilling (MWD)TIFF | 6,335 to 15,966 | Apr 14, 2025 |
| University 43 a #0809WCHZ42-235-36490Irion, TX · Sem Operating Company LLC | 0.62 | Measure While Drilling (MWD)TIFF | 846 to 15,577 | Mar 5, 2025 |
| University 43 a #0809WCHZ42-235-36490Irion, TX · Sem Operating Company LLC | 0.62 | Measure While Drilling (MWD)TIFF | 847 to 15,577 | Feb 28, 2025 |
| University 43 a #0807WCHZ42-235-36489Irion, TX · Sem Operating Company LLC | 0.62 | Measure While Drilling (MWD)TIFF | 846 to 15,625 | Mar 5, 2025 |
| University 43 a #0807WCHZ42-235-36489Irion, TX · Sem Operating Company LLC | 0.62 | Measure While Drilling (MWD)TIFF | 846 to 15,625 | Feb 27, 2025 |
| University 43 a #0805WCHZ42-235-36487Irion, TX · Sem Operating Company LLC | 0.63 | Measure While Drilling (MWD)TIFF | 846 to 15,509 | Jan 30, 2025 |
| University 43 #0924WBHZ42-235-36221Irion, TX · Sem Operating Company LLC | 0.97 | Measure While Drilling (MWD)TIFF | 877 to 15,668 | Dec 4, 2020 |
| University 43 #1002WCHZ42-235-36220Irion, TX · Sem Operating Company LLC | 0.98 | Measure While Drilling (MWD)TIFF | 1,077 to 16,098 | Oct 22, 2020 |
| University 43 a #0803WCHZ42-235-36337Irion, TX · Sem Operating Company LLC | 0.99 | Measure While Drilling (MWD)TIFF | 845 to 15,791 | Mar 10, 2024 |
| University 43 a #0803WCHZ42-235-36337Irion, TX · Sem Operating Company LLC | 0.99 | Measure While Drilling (MWD)TIFF | 900 to 15,650 | Oct 16, 2024 |
| University 43 a #0803WCHZ42-235-36337Irion, TX · Sem Operating Company LLC | 0.99 | Measure While Drilling (MWD)TIFF | 900 to 15,650 | Mar 20, 2024 |
| University 43 a #0801WCHZ42-235-36336Irion, TX · Sem Operating Company LLC | 0.99 | Measure While Drilling (MWD)TIFF | 900 to 15,650 | Oct 28, 2024 |
| University 43 #0901HHZ42-235-34705Irion, TX · Sem Operating Company LLC | 1.27 | NEUTRON/DENSITY POROSITYTIFF | 0 to 6,674 | Jul 25, 2014run Jul 13, 2011 |
| University 43 #0903HHZ42-235-34925Irion, TX · Sem Operating Company LLC | 1.36 | RESISTIVITYTIFF | 0 to 6,765 | Jun 11, 2015run Jul 3, 2012 |
| University 43 a #0801HHZ42-235-34896Irion, TX · Sem Operating Company LLC | 1.37 | RESISTIVITYTIFF | 0 to 6,800 | Mar 3, 2015run Mar 15, 2012 |
| University 43 #0913HHZ42-235-35087Irion, TX · Sem Operating Company LLC | 1.39 | RESISTIVITYTIFF | 0 to 6,800 | Jul 27, 2015run Jul 20, 2012 |
| University 43 a #0802HHZ42-235-34897Irion, TX · Sem Operating Company LLC | 1.40 | RESISTIVITYTIFF | 0 to 6,773 | Mar 3, 2015run Feb 29, 2012 |
| University 43 #0907HHZ42-235-34931Irion, TX · Sem Operating Company LLC | 1.45 | RESISTIVITYTIFF | 0 to 6,816 | Jun 11, 2015run Jun 21, 2012 |
| Mayer #17HAHZ42-235-36418Irion, TX · Permian Resources Operating LLC | 1.45 | Measure While Drilling (MWD)LAS + TIFF | 950 to 16,336 | Nov 14, 2024 |
| Mayer #18HKHZ42-235-36419Irion, TX · Permian Resources Operating LLC | 1.45 | Gamma RayTIFF | 1,000 to 16,817 | Nov 11, 2024 |
| University 43 a #0804HHZ42-235-34899Irion, TX · Sem Operating Company LLC | 1.50 | RESISTIVITYTIFF | 0 to 6,921 | Mar 3, 2015run Jan 19, 2012 |
| University 43 #0909HHZ42-235-34932Irion, TX · Sem Operating Company LLC | 1.52 | RESISTIVITYTIFF | 0 to 6,916 | Jun 11, 2015run Jun 21, 2012 |
| University 43 a #0805HHZ42-235-34900Irion, TX · Sem Operating Company LLC | 1.57 | RESISTIVITYTIFF | 0 to 6,854 | Feb 10, 2015run Feb 6, 2012 |
| University 43 #0911HHZ42-235-34935Irion, TX · Sem Operating Company LLC | 1.61 | RESISTIVITYTIFF | 0 to 6,840 | Jun 11, 2015run Jun 21, 2012 |
| University 43 a #0806HHZ42-235-34901Irion, TX · Sem Operating Company LLC | 1.65 | RESISTIVITYTIFF | 0 to 6,884 | Feb 10, 2015run Jan 18, 2012 |
| Mayer #5HHZ42-235-36193Irion, TX · Permian Resources Operating LLC | 1.67 | Gamma RayTIFF | 1,200 to 16,250 | Jul 28, 2020 |
| University 43 #1011HHZ42-235-35000Irion, TX · Sem Operating Company LLC | 1.70 | RESISTIVITYTIFF | 0 to 6,800 | May 26, 2015run Jun 12, 2012 |
| University 43 #1016WBHZ42-235-36222Irion, TX · Sem Operating Company LLC | 1.71 | Measure While Drilling (MWD)TIFF | 1,050 to 15,200 | Dec 28, 2020 |
| University 43 #0906HHZ42-235-35002Irion, TX · Sem Operating Company LLC | 1.71 | Gamma RayTIFF | 850 to 14,523 | Nov 13, 2017 |
| University 43 #1018WBHZ42-235-36223Irion, TX · Sem Operating Company LLC | 1.71 | Measure While Drilling (MWD)TIFF | 806 to 15,390 | Dec 28, 2020 |
| University East #4323KHHZ42-235-36087Irion, TX · RRP Operating LLC | 1.72 | Gamma RayLAS + TIFF | 1,032 to 14,864 | Aug 19, 2019 |
| University East #4323KHHZ42-235-36087Irion, TX · RRP Operating LLC | 1.72 | RESISTIVITYTIFF | 1,032 to 14,864 | Aug 14, 2016run Dec 28, 2015 |
| University 43 a #0807HHZ42-235-34902Irion, TX · Sem Operating Company LLC | 1.73 | RESISTIVITYTIFF | 0 to 6,983 | Dec 23, 2014run Jan 18, 2012 |
| University East #4323HHHZ42-235-36084Irion, TX · RRP Operating LLC | 1.75 | Gamma RayLAS + TIFF | 1,034 to 14,955 | Aug 13, 2019 |
| University East #4323HHHZ42-235-36084Irion, TX · RRP Operating LLC | 1.75 | RESISTIVITYTIFF | 1,034 to 14,955 | Aug 14, 2016run Jan 15, 2016 |
| Mayer-215 Alloc 08 #08HKHZ42-235-36402Irion, TX · Permian Resources Operating LLC | 1.77 | Gamma RayLAS + TIFF | 871 to 20,979 | Nov 19, 2024 |
| Mayer-215 Alloc 08 #08HKHZ42-235-36402Irion, TX · Permian Resources Operating LLC | 1.77 | Gamma RayTIFF | 871 to 20,979 | Nov 11, 2024 |
| Mayer-215 Alloc 12 #12HAHZ42-235-36404Irion, TX · Permian Resources Operating LLC | 1.78 | Gamma RayTIFF | 868 to 21,586 | Nov 11, 2024 |
| Mayer-215 Alloc 12 #12HAHZ42-235-36404Irion, TX · Permian Resources Operating LLC | 1.78 | Gamma RayLAS + TIFF | 910 to 21,572 | Nov 19, 2024 |
| University East #4322IHHZ42-235-36050Irion, TX · RRP Operating LLC | 1.81 | RESISTIVITYTIFF | 860 to 14,288 | Dec 9, 2015run Jul 16, 2015 |
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.