WELL LOGS · UNITED STATES · ONE ROW PER LOG
Well logs within 2 mi of API 42-283-35757
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.
85 LOG FILES ON 49 WELLS · A LOG'S LAS AND IMAGE IN ONE ROW · PAGE 1 OF 2
| Well | Distancemi | Logas described | Intervalft, as filed | Datereceived |
|---|---|---|---|---|
| Y-Bar #21HHZ42-283-33692La Salle, TX · Castlerock EF Operating LLC | 1.30 | RESISTIVITYTIFF | 4,150 to 15,800 | Jun 25, 2016run Apr 6, 2013 |
| Y-Bar #27HHZ42-283-33861La Salle, TX · Castlerock EF Operating LLC | 1.32 | Measure While Drilling (MWD)LAS + TIFF | 4,050 to 16,000 | Oct 4, 2017 |
| RNR Ybar #1HHZ42-283-34717La Salle, TX · EOG Resources Inc. | 1.32 | Gamma RayLAS + TIFF | 8,000 to 16,029 | Jun 7, 2017 |
| RNR Ybar #1HHZ42-283-34717La Salle, TX · EOG Resources Inc. | 1.32 | Gamma RayLAS + TIFF | 8,000 to 16,029 | Feb 21, 2018 |
| Y-Bar #20HHZ42-283-33691La Salle, TX · Castlerock EF Operating LLC | 1.33 | RESISTIVITYTIFF | 4,000 to 16,200 | May 23, 2016run Apr 9, 2013 |
| Y-Bar #13HHZ42-283-33730La Salle, TX · Castlerock EF Operating LLC | 1.33 | RESISTIVITYTIFF | 4,000 to 9,700 | Sep 9, 2016run Mar 28, 2013 |
| Y-Bar #19HHZ42-283-33690La Salle, TX · Castlerock EF Operating LLC | 1.34 | RESISTIVITYTIFF | 4,000 to 16,000 | Sep 7, 2016run Apr 12, 2013 |
| Y-Bar #18HHZ42-283-33689La Salle, TX · Castlerock EF Operating LLC | 1.37 | RESISTIVITYTIFF | 4,100 to 16,100 | Sep 7, 2016run Apr 15, 2013 |
| Y-Bar #11HHZ42-283-33720La Salle, TX · Castlerock EF Operating LLC | 1.38 | Measure While Drilling (MWD)LAS + TIFF | 4,050 to 16,150 | Mar 24, 2017 |
| Y-Bar #11HHZ42-283-33720La Salle, TX · Castlerock EF Operating LLC | 1.38 | RESISTIVITYTIFF | 4,050 to 16,150 | Sep 7, 2016run Mar 22, 2013 |
| Y-Bar #12HHZ42-283-33728La Salle, TX · Castlerock EF Operating LLC | 1.39 | Measure While Drilling (MWD)LAS + TIFF | 4,000 to 15,850 | Mar 24, 2017 |
| Y-Bar #12HHZ42-283-33728La Salle, TX · Castlerock EF Operating LLC | 1.39 | RESISTIVITYTIFF | 4,000 to 15,850 | Sep 7, 2016run Mar 25, 2013 |
| Y-Bar #10HHZ42-283-33719La Salle, TX · Castlerock EF Operating LLC | 1.40 | Measure While Drilling (MWD)LAS + TIFF | 4,000 to 15,850 | Mar 24, 2017 |
| Y-Bar #10HHZ42-283-33719La Salle, TX · Castlerock EF Operating LLC | 1.40 | RESISTIVITYTIFF | 4,000 to 15,850 | Sep 7, 2016run Mar 19, 2013 |
| Solitude a #1HHZ42-283-37080La Salle, TX · EOG Resources Inc. | 1.46 | Gamma RayLAS + TIFF | 9,035 to 23,083 | May 20, 2024 |
| Solitude B #2HHZ42-283-37081La Salle, TX · EOG Resources Inc. | 1.46 | Gamma RayLAS + TIFF | 8,838 to 23,154 | Jun 25, 2024 |
| Solitude C #3HHZ42-283-37082La Salle, TX · EOG Resources Inc. | 1.47 | Gamma RayLAS + TIFF | 8,835 to 23,201 | Jun 25, 2024 |
| Naylor Jones Unit 10 #2HHZ42-283-34303La Salle, TX · EOG Resources Inc. | 1.49 | RESISTIVITYTIFF | 8,000 to 16,379 | Dec 30, 2016run Dec 20, 2013 |
| Lazy Seven Ranch a Unit #10HHZ42-283-32986La Salle, TX · Verdun Oil EF II LLC | 1.51 | COMBINATION: RESISTIVITY/NEUTRON/DENSITY POROSITYTIFF | 3,830 to 9,916 | Mar 16, 2015run Feb 29, 2012 |
| Y-Bar #9HHZ42-283-33054La Salle, TX · Castlerock EF Operating LLC | 1.52 | RESISTIVITYTIFF | 4,000 to 15,800 | Aug 26, 2015run Aug 9, 2012 |
| Solitude D #4HHZ42-283-37291La Salle, TX · EOG Resources Inc. | 1.53 | Gamma RayLAS + TIFF | 8,400 to 21,136 | Jul 22, 2025 |
| Solitude E #5HHZ42-283-37292La Salle, TX · EOG Resources Inc. | 1.54 | Gamma RayLAS + TIFF | 8,400 to 23,304 | Aug 18, 2025 |
| Solitude F #6HHZ42-283-37293La Salle, TX · EOG Resources Inc. | 1.54 | Gamma RayLAS + TIFF | 8,300 to 23,182 | Aug 18, 2025 |
| Rangers B #2HHZ42-283-36498La Salle, TX · EOG Resources Inc. | 1.54 | Gamma RayLAS + TIFF | 7,500 to 22,752 | Dec 28, 2021 |
| Solitude G #7HHZ42-283-37294La Salle, TX · EOG Resources Inc. | 1.55 | Gamma RayLAS + TIFF | 8,300 to 20,949 | Aug 18, 2025 |
| Solitude H #8HHZ42-283-37295La Salle, TX · EOG Resources Inc. | 1.55 | Gamma RayLAS + TIFF | 8,300 to 23,216 | Oct 9, 2025 |
| Solitude J #9HHZ42-283-37296La Salle, TX · EOG Resources Inc. | 1.56 | Gamma RayLAS + TIFF | 8,300 to 23,438 | Oct 9, 2025 |
| Y-Bar #7HHZ42-283-33049La Salle, TX · Castlerock EF Operating LLC | 1.56 | RESISTIVITYTIFF | 4,050 to 15,900 | Jul 16, 2015run Jun 16, 2012 |
| Y-Bar #7HHZ42-283-33049La Salle, TX · Castlerock EF Operating LLC | 1.56 | RESISTIVITYTIFF | 4,050 to 15,900 | Nov 9, 2015run Jun 16, 2012 |
| Naylor Jones Unit 3 #2HHZ42-283-36493La Salle, TX · EOG Resources Inc. | 1.56 | Gamma RayLAS + TIFF | 8,200 to 16,820 | Oct 18, 2021 |
| Rangers C #3HHZ42-283-36499La Salle, TX · EOG Resources Inc. | 1.58 | Gamma RayLAS + TIFF | 7,500 to 22,778 | Dec 28, 2021 |
| Y-Bar #8HHZ42-283-33053La Salle, TX · Castlerock EF Operating LLC | 1.59 | RESISTIVITYTIFF | 4,000 to 15,650 | Aug 26, 2015run Jun 14, 2012 |
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.