| 
      Column Name | 
      Column Alias | 
      Definition | 
			
				| SN_FORMSAND | Sand sequence number | Sand sequence number - unique identifier 
				assigned to each assessed sand (and some of the non-assessed 
				sands) in order to enable the user to track a sand from year to 
				year regardless of changes (such as sand name, field, play, 
				etc.) made to the sand. | 
			
				| SAND_NAME | Sand name | Current Combined PLAY_NUM, BOEMRE_FIELD, and SAND 
				(unique) | 
			
				| ASSESSED | Assessed | The sand was assessed Yes (Y) or No (N) | 
			
				| SDDATE | Sand discovery date | Sand discovery date (MM/DD/YYYY) | 
			
				| SDYEAR | Sand discovery year | Sand discovery year (YYYY) | 
			
				| SDDATEH | Sand discovery date high | Discovery date of last reservoir discovered in 
				sand (MM/DD/YYYY) | 
			
				| SDYEAREH | Sand discovery year high | Discovery year of last reservoir discovered in 
				sand (YYYY) | 
			
				| WELLAPI | Discovery well | Discovery well API number | 
			
				| BOEMRE_FIELD | Field name | BOEMRE field name -WLD in the field name indicates 
				that a preliminary field determination has been made (the 
				lease(s) have not been through the official well producibility 
				determination process 30CFR250.115, 30CFR250.116).  A 
				limited dataset is presented for the WLD fields. | 
			
				| FCLASS | Field class | BOEMRE field classification | 
			
				| FSTAT | Field status | Field status: Active (A), Expired (E) | 
			
				| FSTRU | Field structure code | Field structure code | 
			
				| FTRAP1 | Field primary trap code | Field primary trap code | 
			
				| FTRAP2 | Field secondary trap code | Field secondary trap code | 
			
				| FDDATE | Field discovery date | Field discovery date (MM/DD/YYYY) | 
			
				| FDYEAR | Field discovery year | Field discovery year (YYYY) | 
			
				| EIAID | EIA identification number | Energy Information Administration field 
				identification number | 
			
				| PLAREA | Planning area | Planning area | 
			
				| SAND | Sand name | Sand name (not unique) | 
			
				| PLAY_NUM | Play number | Current Play number | 
			
				| PLAY_NAME | Play name | Play name | 
			
				| POOL_NAME | Pool name | Current Pool name, combined PLAY_NUM and 
			  BOEMRE_FIELD | 
			
				| CHRONOZONE | Chronozone | Current Chronozone name | 
			
				| PLAY_TYPE | Play type | Current Type of play | 
			
				| P_U | Proved or Unproved | Proved (P), Unproved (U) | 
			
				| SD_TYPE | Sand type | Sand type: Gas (G), Oil (O), Combination (B) | 
			
				| WDEP | Water depth | Water depth (feet) | 
			
				| P_RECOIL | Proved recoverable oil | Proved recoverable oil (bbl) | 
			
				| P_RECGAS | Proved recoverable gas | Proved recoverable gas (Mcf) | 
			
				| P_RECBOE | Proved recoverable BOE | Proved recoverable BOE (bbl) | 
			
				| P_CUMOIL | Cumulative oil produced | Cumulative oil produced (bbl) | 
			
				| P_CUMGAS | Cumulative gas produced | Cumulative gas produced (Mcf) | 
			
				| P_CUMBOE | Cumulative BOE produced | Cumulative BOE produced (bbl) | 
			
				| P_REMOIL | Proved remaining recoverable oil | Proved remaining recoverable oil (bbl) | 
			
				| P_REMGAS | Proved remaining recoverable gas | Proved remaining recoverable gas (Mcf) | 
			
				| P_REMBOE | Proved remaining recoverable BOE | Proved remaining recoverable BOE (bbl) | 
			
				| U_RECOIL | Unproved recoverable oil | Unproved recoverable oil (bbl) | 
			
				| U_RECGAS | Unproved recoverable gas | Unproved recoverable gas (Mcf) | 
			
				| U_RECBOE | Unproved recoverable BOE | Unproved recoverable BOE (bbl) | 
			
				| DISCOIL | Discovered oil | Discovered oil (bbl) derived from 
				[P_RECOIL+U_RECOIL] | 
			
				| DISCGAS | Discovered gas | Discovered gas (Mcf) derived from 
				[P_RECGAS+U_RECGAS] | 
			
				| DISCBOE | Discovered BOE | Discovered BOE (bbl) derived from 
				[P_RECBOE+U_RECBOE] | 
			
				| SS | Subsea depth | Subsea depth (feet) | 
			
				| THK | Total average net thickness | Total average net thickness (feet) | 
			
				| TAREA | Total area | Total area (acres) | 
			
				| TVOL | Total volume | Total volume (acre-feet) | 
			
				| OTHK | Oil average net thickness | Oil average net thickness (feet) | 
			
				| OAREA | Oil total area | Oil total area (acres) | 
			
				| OVOL | Oil total volume | Oil total volume (acre-feet) | 
			
				| GTHK | Gas average net thickness | Gas average net thickness (feet) | 
			
				| GAREA | Gas total area | Gas total area (acres) | 
			
				| GVOL | Gas total volume | Gas total volume (acre-feet) | 
			
				| DRIVE | Drive type | Dominant reservoir drive type | 
			
				| RES_TYPE | Reservoir type | Dominant reservoir type: Nonassociated gas (N), 
				Undersaturated oil (U), Saturated oil (S) | 
			
				| POROSITY | Porosity | Average porosity | 
			
				| SW | Water saturation | Water saturation | 
			
				| PERMEABILITY | Permeability | Average permeability | 
			
				| PI | Initial pressure | Initial pressure (psi) | 
			
				| TI | Initial temperature | Initial temperature (degrees F) | 
			
				| SDPG | Sand pressure gradient | Sand pressure gradient (psi per foot) | 
			
				| SDTG | Sand temperature gradient | Sand temperature gradient (degrees F per 100 
				feet) | 
			
				| RSI | Initial solution gas-oil ratio | Initial solution gas-oil ratio (scf/stb) | 
			
				| YIELD | Yield | Yield (stb/MMcf) - gas reservoirs' recoverable 
				condensate divided by recoverable gas | 
			
				| PROP | Proportion oil | Proportion oil (decimal) | 
			
				| GOR | Gas-oil ratio | Gas-oil ratio (Mcf/bbl) | 
			
				| SPGR | Gas specific gravity | Gas specific gravity (decimal at 60 degrees F 
				and 15.025 psia) | 
			
				| API | Oil API gravity | Oil API gravity (API units) | 
			
				| BGI | Initial gas formation volume factor | Initial gas formation volume factor (scf/cf) | 
			
				| BOI | Initial oil formation volume factor | Initial oil formation volume factor (bbl/stb) | 
			
				| RECO_AF | Recoverable oil per acre-foot | Recoverable oil per acre-foot (bbl/acre-foot) | 
			
				| RECG_AF | Recoverable gas per acre-foot | Recoverable gas per acre-foot (Mcf/acre-foot) | 
			
				| OIP | Oil in place | Oil in place (bbl) | 
			
				| GIP | Gas in place | Gas in place (Mcf) | 
			
				| ORF | Oil  recovery factor | Oil  recovery factor (decimal) | 
			
				| ORECO | Oil  reservoirs' recoverable oil | Oil  reservoirs' recoverable oil (bbl) | 
			
				| ORECG | Oil reservoirs' recoverable gas | Oil reservoirs' recoverable gas (Mcf) | 
			
				| ORP | Produced GOR for oil reservoirs | Produced GOR for oil reservoirs (Mcf/stb) | 
			
				| GRF | Gas recovery factor | Gas recovery factor (decimal) | 
			
				| GRECO | Gas reservoirs' recoverable oil | Gas reservoirs' recoverable oil (bbl) | 
			
				| GRECG | Gas reservoirs' recoverable gas | Gas reservoirs' recoverable gas (Mcf) | 
			
				| GRP | Produced GOR for gas reservoirs | Produced GOR for gas reservoirs (Mcf/stb) | 
			
				| NCNT | Count of nonassociated gas reservoirs in the 
				sand | Count of nonassociated gas reservoirs in the 
				sand | 
			
				| UCNT | Count of undersaturated oil reservoirs in the 
				sand | Count of undersaturated oil reservoirs in the 
				sand | 
			
				| SCNT | Count of saturated oil reservoirs in the sand | Count of saturated oil reservoirs in the sand | 
			
				| TRCNT | Count of total reservoirs in the sand | Count of total reservoirs in the sand |