GMC Oil & Gas Details Explanation
Oil & Gas Materials Details Header
| Item | Definition |
| Well Name | AOGCC listed well name |
| API | A unique identifier assigned to each oil and gas well in the U.S. |
| Intervals | Count of unprocessed/processed well material over a given depth range having inventoried samples for a given well |
| Details Explanation | This file |
Oil & Gas Materials Details
| Item | Definition |
| Form | (See details below) |
| Top | The top of materials interval at GMC for sample |
| Bottom | The bottom of materials interval at GMC for sample |
| Donor | The source of the well materials (See details below) |
| Fifth Column | A memo field that changes with materials type (See details below) |
| Footer Reality Check | Link explaining limitations of inventory data |
| Footer Links | Links to GMC, contact, copyright, and privacy pages |
Form
| Value | Definition |
| Core | A cylindrical section of unprocessed material, up to several meters in length, taken by a core bit and brought to the surface for examination and/or analysis. |
| Cutting | Any washed or unwashed material cut by a bit in the process of well drilling and removed from the hole in the drilling mud. |
| Fluid | Water or oil samples from seeps or well drilling. |
| Outcrop | Samples originating from exposed rock at the surface. |
| Residue | Remaining material after laboratory analysis or sampling. |
| Sidewall | Core or rock sample extracted from the wall of a drill hole. |
Donor
| Value (Acronyms are underlined) | Mouse over Acronym |
| AOGCC | |
| AMOCO | |
| ARCO | |
| BLM | |
| BP | |
| CHEVRON | |
| CONOCO PHILLIPS | |
| CIRI | |
| FOREST | |
| GMC | |
| MARATHON | |
| MICROPALEO | |
| OXY | |
| PHILLIPS | |
| SHELL | |
| UNOCAL | |
| USGS | |
| USGS (Tailleur) | |
| USMMS |
Fifth Column
| Value | Description |
| Core | Column is unused |
| Cuttings | Column has intervals if available |
| Residues | Column has a residue comment if available |
| All other materials | Column has year if available |
Oil & Gas Formation Top Picks Header
| Item | Definition |
| Well Name | AOGCC listed well name |
| API | A unique identifier assigned to each oil and gas well in the U.S. |
| Picks | Count of unique geologic formations associated with a given well |
| Details Explanation | This file |
| Formation Top Downloads | Link to the GMC inventory web page which provides downloadable files related to well formation-top picks |
| KB Elevation (ft) | Vertical distance, in feet, above mean sea level of the reference (zero point) for depth measurements. KB elevation can be rig floor or ground level in a few cases, but usually it is the Kelly Bushing. Source is listed after the depth. |
Oil & Gas Materials Formation Top Picks Details
| Item | Definition |
| Horizon | Formation name, permafrost layer, "other," or total depth (TD) for well bottom provided. "Other" could be measured depth to an undetermined horizon, major unit, or significant geologic package. |
| MD (ft) | Measured depth of formation tops |
| Data Source | Data sources for the formation top. Major sources are provided at the bottom of the page. Click the "Data Sources" link to view the source details provided in the metadata. |
| Comments | A memo field that may describe the horizon |
| Terms | List of definitions for unfamiliar acronyms shown on the page. |
| Footer Reality Check | Link explaining limitations of inventory data |
| Footer Links | Links to GMC, contact, copyright, and privacy pages |
Still have questions? Feel free to view the formal metadata.