WELL LOGS · UNITED STATES · ONE ROW PER LOG
Well logs within 2 mi of Middle McCowen #98H (42-311-36734)
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.
88 LOG FILES ON 44 WELLS · A LOG'S LAS AND IMAGE IN ONE ROW · PAGE 1 OF 2
| Well | Distancemi | Logas described | Intervalft, as filed | Datereceived |
|---|---|---|---|---|
| Middle McCowen #98HHZ42-311-36734McMullen, TX · Marathon Oil EF LLC | here | Gamma RayLAS + TIFF | 5,172 to 21,195 | Dec 21, 2020 |
| Middle McCowen #92HHZ42-311-36736McMullen, TX · Marathon Oil EF LLC | here | Gamma RayLAS + TIFF | 5,150 to 20,351 | Dec 21, 2020 |
| Middle McCowen #93HHZ42-311-36735McMullen, TX · Marathon Oil EF LLC | 0.11 | Gamma RayLAS + TIFF | 5,150 to 20,847 | Dec 21, 2020 |
| Middle McCowen #99HHZ42-311-36932McMullen, TX · Marathon Oil EF LLC | 0.16 | Gamma RayTIFF | 7,058 to 21,441 | Jun 27, 2022 |
| Middle McCowen #99HHZ42-311-36932McMullen, TX · Marathon Oil EF LLC | 0.16 | Gamma RayTIFF | 7,058 to 21,441 | Aug 16, 2022 |
| Middle McCowen #100HHZ42-311-36933McMullen, TX · Marathon Oil EF LLC | 0.16 | Gamma RayTIFF | 7,069 to 21,741 | May 23, 2022 |
| Middle McCowen #100HHZ42-311-36933McMullen, TX · Marathon Oil EF LLC | 0.16 | Gamma RayTIFF | 7,069 to 21,741 | Aug 16, 2022 |
| Middle McCowen #101HHZ42-311-36934McMullen, TX · Marathon Oil EF LLC | 0.17 | Gamma RayTIFF | 7,058 to 21,881 | Aug 16, 2022 |
| Middle McCowen #101HHZ42-311-36934McMullen, TX · Marathon Oil EF LLC | 0.17 | Gamma RayTIFF | 7,058 to 21,881 | May 23, 2022 |
| Middle McCowen #102HHZ42-311-36935McMullen, TX · Marathon Oil EF LLC | 0.17 | Gamma RayTIFF | 7,058 to 22,363 | May 23, 2022 |
| Middle McCowen #102HHZ42-311-36935McMullen, TX · Marathon Oil EF LLC | 0.17 | Gamma RayTIFF | 7,058 to 22,363 | Aug 16, 2022 |
| Middle McCowen #14HHZ42-311-34911McMullen, TX · Marathon Oil EF LLC | 0.66 | RESISTIVITY3 TIFF | 5,600 to 17,819 | Oct 6, 2015run Sep 10, 2012 |
| Middle McCowen #69HHZ42-311-35536McMullen, TX · Marathon Oil EF LLC | 0.83 | Gamma RayLAS + TIFF | 5,704 to 18,040 | Oct 3, 2017 |
| Middle McCowen #68HHZ42-311-35535McMullen, TX · Marathon Oil EF LLC | 0.91 | Gamma RayLAS + TIFF | 5,374 to 18,000 | Oct 3, 2017 |
| Middle McCowen #67HHZ42-311-35534McMullen, TX · Marathon Oil EF LLC | 0.98 | Gamma RayLAS + TIFF | 5,310 to 17,985 | Nov 17, 2017 |
| Pere David East #1__42-013-34254Atascosa, TX · Delta Exploration Company Inc. | 1.02 | COMBINATION: RESISTIVITY/NEUTRON/DENSITY POROSITYTIFF | 730 to 6,823 | Jul 23, 2009run Oct 24, 2008 |
| Middle McCowen #66HHZ42-311-35533McMullen, TX · Marathon Oil EF LLC | 1.06 | Gamma RayLAS + TIFF | 5,354 to 18,190 | Nov 17, 2017 |
| Morrill Ranch #29HZ42-311-36961McMullen, TX · Burlington Resources O & G Co LP | 1.31 | Gamma RayLAS + TIFF | 0 to 21,027 | Sep 8, 2022 |
| Morrill Ranch #30HZ42-311-36962McMullen, TX · Burlington Resources O & G Co LP | 1.32 | Gamma RayLAS + TIFF | 0 to 21,014 | Sep 27, 2022 |
| Morrill Ranch #31HZ42-311-36963McMullen, TX · Burlington Resources O & G Co LP | 1.32 | Gamma RayLAS + TIFF | 0 to 20,850 | Sep 8, 2022 |
| Middle McCowen #55HHZ42-311-35441McMullen, TX · Marathon Oil EF LLC | 1.39 | RESISTIVITYTIFF | 8,960 to 18,335 | Jan 17, 2017run Nov 23, 2013 |
| Morrill Ranch #22HZ42-311-36685McMullen, TX · Burlington Resources O & G Co LP | 1.40 | Gamma RayLAS + TIFF | 9,790 to 20,937 | Jan 11, 2022 |
| Morrill Ranch #22HZ42-311-36685McMullen, TX · Burlington Resources O & G Co LP | 1.40 | Gamma RayLAS + TIFF | 9,790 to 20,937 | Jul 22, 2020 |
| Glover-Rayes B Unit #222HHZ42-013-35373Atascosa, TX · Javelin Energy Partners Mgmt LLC | 1.40 | RESISTIVITYTIFF | 0 to 10,626 | Sep 9, 2016run Jun 19, 2016 |
| Morrill Ranch #14HZ42-311-36122McMullen, TX · Burlington Resources O & G Co LP | 1.44 | Gamma RayLAS + TIFF | 5,642 to 17,102 | Dec 28, 2017 |
| Middle McCowen #53HHZ42-013-34729Atascosa, TX · Marathon Oil EF LLC | 1.48 | RESISTIVITYTIFF | 9,000 to 18,223 | Oct 5, 2016run Aug 17, 2013 |
| Glover-Rayes a Unit #220HHZ42-013-35369Atascosa, TX · Javelin Energy Partners Mgmt LLC | 1.54 | RESISTIVITYTIFF | 0 to 10,668 | Sep 9, 2016run Jun 19, 2016 |
| Morrill Ranch #20HZ42-311-36684McMullen, TX · Burlington Resources O & G Co LP | 1.55 | Gamma RayLAS + TIFF | 5,737 to 21,251 | May 11, 2021 |
| Morrill Ranch #20HZ42-311-36684McMullen, TX · Burlington Resources O & G Co LP | 1.55 | Gamma RayLAS + TIFF | 5,737 to 21,251 | Jan 11, 2022 |
| Middle McCowen #115HHZ42-013-35949Atascosa, TX · Marathon Oil EF LLC | 1.55 | Gamma RayTIFF | 0 to 18,709 | Nov 25, 2025 |
| Middle McCowen #116HHZ42-013-35950Atascosa, TX · Marathon Oil EF LLC | 1.56 | Gamma RayLAS | 0 to 18,711 | Mar 25, 2026 |
| Middle McCowen #116HHZ42-013-35950Atascosa, TX · Marathon Oil EF LLC | 1.56 | Gamma RayTIFF | 0 to 18,711 | Dec 23, 2025 |
| Middle McCowen #117HHZ42-013-35951Atascosa, TX · Marathon Oil EF LLC | 1.56 | Gamma RayTIFF | 0 to 18,639 | Nov 25, 2025 |
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.