Summary File for 2020sands

Column Name

Column Alias

Definition

SN_FORMSAND

Sand sequence number

Sand sequence number - unique identifier assigned to each assessed sand 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, BOEM_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):
The month, day and year total depth was reached in the first well that penetrated hydrocarbons in the initial reservoir.

SDYEAR

Sand discovery year

Sand discovery year (YYYY):
The year total depth was reached in the first well that penetrated hydrocarbons in the initial reservoir.

SDDATEH

Sand discovery date high

Discovery date of last reservoir discovered in sand (MM/DD/YYYY):
The month, day and year total depth was reached in the first well that penetrated hydrocarbons in the most recent reservoir.

SDYEARH

Sand discovery year high

Discovery year of last reservoir discovered in sand (YYYY):
The year total depth was reached in the first well that penetrated hydrocarbons in the most recent reservoir.

WELLAPI

Discovery well API

Discovery well API number:
API for the first well that penetrated hydrocarbons in the initial reservoir.

BOEM_FIELD

Field name

BOEM field name:
Refer to Field Name Directory:
https://www.boem.gov/oil-gas-energy/resource-evaluation/ocs-operations-field-directory

FCLASS

Field class

BOEM field classification:
PDN (Developed Non-producing),
PDP (Developed Producing),
PU (Undeveloped),
RJD (Reserves Justified for Development)
Refer to Estimated Oil and Gas Report:
https://www.boem.gov/BOEM-2021-052/

FSTAT

Field status

Field status: Active (A), Expired (E)

FSTRUC

Field structure code

Field structure code:
An indicator of the geologic structural style for a field (see Description File for Field Structure and Trap Code)

FTRAP1

Field primary trap code

Field primary trap code:
An indicator of the major geologic trapping mechanism of a field (see Description File for Field Structure and Trap Code)

FTRAP2

Field secondary trap code

Field secondary trap code:
An indicator of the second most important trapping mechanism for a field (see Description File for Field Structure and Trap Code)

FDDATE

Field discovery date

Field discovery date (MM/DD/YYYY):
The date that total depth was reached in the first well that penetrated hydrocarbons in a specific field

FDYEAR

Field discovery year

Field discovery year (YYYY):
The year that total depth was reached in the first well that penetrated hydrocarbons in a field

EIAID

EIA identification number

Energy Information Administration field identification number

PLAREA

Planning area

Planning area:
WGM (Western Gulf of Mexico)
CGM (Central Gulf of Mexico)
EGM (Eastern Gulf of Mexico)

SAND

Sand name

Sand name (not unique)

PLAY_NUM

Play number

Current Play number

PLAY_NAME

Play name

Play name:
Indicates the name of the chronozone and play type associated with the sand.

POOL_NAME

Pool name

Current Pool name, combined PLAY_NUM and BOEM_FIELD

CHRONOZONE

Chronozone

Current Chronozone name

PLAY_TYPE

Play type

Current Type of play:
Type of play determined by one or more of the following:
- depositional style
- depositional facies
- sediment type
- structure type

SD_TYPE

Sand type

Sand type:
Indicates the type of hydrocarbons encountered in the formation:
Gas (G), Oil (O), Combination(B)

WDEP

Water depth

Water depth (feet):
The water depth (ft) for a specific field is the average water depth for all wells drilled in that field

Original Oil

Original oil

Original oil (bbl):
Original oil reserves are the total of the oil cumulative production and oil reserves, as of a specified date.

Original Gas

Original gas

Original gas (Mcf):
Original gas reserves are the total of the gas cumulative production and gas reserves, as of a specified date.

Original BOE

Original BOE

Original BOE (bbl):
The sum of recoverable BOE for all reservoirs

Cum Oil

Cumulative oil produced

Cumulative oil produced (bbl)

Cum Gas

Cumulative gas produced

Cumulative gas produced (Mcf)

Cum BOE

Cumulative BOE produced

Cumulative BOE produced (bbl)

Oil Reserves

Oil Reserves

Oil Reserves (bbl):
Oil reserves are those remaining quantities of petroleum anticipated to be commercially recoverable by application of development projects to known accumulations.

Gas Reserves

Gas Reserves

Gas Reserves (Mcf):
Gas reserves are those remaining quantities of petroleum anticipated to be commercially recoverable by application of development projects to known accumulations.

BOE Reserves

BOE Reserves

Remaining reserves BOE (bbl)

SS

Subsea depth

True Vertical Depth Subsea (feet)):
weighted average of the subsea datum depths across all reservoirs in the sand

THK

Total net thickness

Total net thickness (feet):
weighted average of the thickness across all reservoirs in the sand

TAREA

Total area

Total area (acres):
The sum of total area for all reservoirs in the sand

TVOL

Total volume

Total volume (acre-feet):
The sum of total volume for all reservoirs in the sand

OTHK

Oil net thickness

Oil net thickness (feet):
weighted average of the thickness across all oil reservoirs in the sand

OAREA

Oil total area

Oil total area (acres):
The sum of total area for all oil reservoirs in the sand

OVOL

Oil total volume

Oil total volume (acre-feet):
The sum of total volume for all oil reservoirs in the sand

GTHK

Gas net thickness

Gas net thickness (feet):
weighted average of the thickness across all gas reservoirs in the sand

GAREA

Gas total area

Gas total area (acres):
The sum of total area for all gas reservoirs in the sand

GVOL

Gas total volume

Gas total volume (acre-feet):
The sum of total volume for all gas reservoirs in the sand

DRIVE

Drive type

Dominant reservoir drive type:
Determined by reservoir with largest bulk volume
(See Description File for Drive Type)

RESTYP

Reservoir type

Dominant reservoir type:
Determined by reservoir with largest bulk volume
Nonassociated gas (N), Undersaturated oil (U), Saturated oil (S)

POROSITY

Porosity

Weighted average porosity

SW

Water saturation

Weighted average water saturation

PERMEABILITY

Permeability

Weighted average permeability (mD)

PI

Initial pressure

Weighted average initial pressure (psi)

TI

Initial temperature

Weighted average of 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

Weighted average of 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

Weighted average of gas specific gravity (decimal at 60 degrees F and 14.73 psia)

API

Oil API gravity

Weighted average of oil API gravity (API units)

BGI

Initial gas formation volume factor

Weighted average of initial gas formation volume factor (scf/cf)

BOI

Initial oil formation volume factor

Weighted average of initial oil formation volume factor (bbl/stb)

RECO_AF

Recoverable oil per acre-foot

Sum of recoverable oil per acre-foot (bbl/acre-foot)

RECG_AF

Recoverable gas per acre-foot

Sum of recoverable gas per acre-foot (Mcf/acre-foot)

OIP

Oil in place

Sum of oil in place (bbl)

GIP

Gas in place

Sum of gas in place (Mcf)

ORF

Oil  recovery factor

Weighted average of oil recovery factor (decimal)

ORECO

Oil  reservoirs' recoverable oil

Sum of oil reservoirs' recoverable oil (bbl)

ORECG

Oil reservoirs' recoverable gas

Sum of oil reservoirs' recoverable gas (Mcf)

ORP

Recoverable GOR for oil reservoirs

Recoverable GOR for oil reservoirs (Mcf/stb)

GRF

Gas recovery factor

Weighted average of gas recovery factor (decimal)

GRECO

Gas reservoirs' recoverable oil

Sum of gas reservoirs' recoverable oil (bbl)

GRECG

Gas reservoirs' recoverable gas

Sum of gas reservoirs' recoverable gas (Mcf)

GRP

Recoverable GOR for gas reservoirs

Recoverable 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

TCNT

Count of total reservoirs in the sand

Count of total reservoirs in the sand

BHCOMP

Count of total completions in the sand

Count of wells, completed in the sand.Sums the number of wells that have completions in each sand. If a sand has zero in the BHCOMP column, this indicates a well(s) penetrated the sand but as of 12/31/2019, the well had not been completed; or it indicates that a sand has been commingled with another sand(s) and the well summary is associated with the other sand.

LAT

Latitude

Latitude of the bottom hole location of the discovery well for the sand

LONG

Longitude

Longitude of the bottom hole location of the discovery well for the sand