Keywords

Theme: wells, logs, boreholes, Earth Science Associates, GOMsmart, GOM3, GOM-Cubed

Place: Gulf of Mexico, GOM, USA

Stratum: Offshore

Temporal: Current

Description

Abstract

The Well Log Locations dataset provides locations for all the available well logs in the Gulf of Mexico.

Purpose

Analysis for oil and gas exploration and production in the Gulf of Mexico.

_________________

Status of the data

Complete
Data update frequency: Monthly

Time period for which the data is relevant

Description: publication date

Publication Information

Who created the data: US Minerals Management Service, Earth Science Associates

Date and time: 20110603

Series name: MMS Website/MMS Atlas Series/Public Sources

_________________

Data storage and access information

File name: welllogs
Type of data: vector digital data

Location of the data:

http://www.gomr.mms.gov/index.html

Data processing environment: Microsoft Windows XP Version 5.1 (Build 2600) Service Pack 3; ESRI ArcGIS 9.2.0.1324

Accessing the data

Size of the data: 96.87 MB
Data transfer size: 96.87 MB

Constraints on accessing and using the data

Access constraints: Licensed GOM-Cubed Users

Use constraints: License Terms under GOM-Cubed license agreement

Details about this document

Contents last updated: 20120904 at time 16414400

Who completed this document

DBA
Earth Science Associates
mailing and physical address:

4300 Long Beach Blvd., Ste. 310

Long Beach, CA 90807

USA

(562) 428-3181 (voice)
(562) 428-3186 (fax)
contactesa@earthsci.com

Hours of service: 9-6- Pacific Time (Monday-Friday)

Standards used to create this document

Standard name: FGDC Content Standards for Digital Geospatial Metadata
Standard version: FGDC-STD-001-1998
Time convention used in this document: local time
Metadata profiles defining additonal information

ESRI Metadata Profile: http://www.esri.com/metadata/esriprof80.html

Horizontal coordinate system

Geographic coordinate system name: GCS_North_American_1927

Details

Geographic Coordinate System

Latitude Resolution: 0.000000

Longitude Resolution: 0.000000

Geographic Coordinate Units: Decimal degrees

Geodetic Model

Horizontal Datum Name: North American Datum of 1927

Ellipsoid Name: Clarke 1866

Semi-major Axis: 6378206.400000

Denominator of Flattening Ratio: 294.978698

Depth System Definition

Datum Name: Mean sea level

Distance Units: feet

Encoding Method: Attribute values

_________________

Bounding coordinates

Horizontal

In decimal degrees

West: -97.201078

East: -83.398259

North: 30.196559

South: 26.015626

In projected or local coordinates

Left: -97.201078

Right: -83.398259

Top: 26.015626

Bottom: 30.196559

_________________

Lineage

FGDC lineage

Process step 1

Process description: ESA downloaded the original file from MMS. The data were then cleaned and formatted. A new mdb was generated and a shapefile created.

_________________

Spatial data quality

Horizontal positional accuracy

MMS data checked for obvious errors in entry. ESA calculated values checked for quality.

Vertical positional accuracy

MMS data checked for obvious errors in entry. ESA calculated values checked for quality.

_________________

Spatial data description

Vector data information

ESRI description

welllogs

ESRI feature type: Simple
Geometry type: Point
Topology: FALSE
Feature count: 122397
Spatial Index: TRUE
Linear referencing: FALSE

SDTS description

Feature class: SDTS feature type, feature count

welllogs: Entity point, 122397

Details for Well Log Locations

Type of object: Feature Class

Number of records: 122397

Attributes

FID

Alias: FID
Data type: OID
Width: 4
Precision: 0
Scale: 0
Definition: Internal feature number. Definition Source: ESRI

Shape

Alias: Shape
Data type: Geometry
Width: 0
Precision: 0
Scale: 0
Definition: Feature geometry. Definition Source: ESRI

APINUM

Alias: Well API Number
Data type: String
Width: 12
Definition: A unique well identification number consisting of (from left to right) a two digit state code (or pseudo for Offshore), a three digit county code (or pseudo for Offshore), a five digit unique well code, and if applicable, a two digit sidetrack code as defined in API Bulletin D12A. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

LOG_TYPE

Alias: Log Type
Data type: String
Width: 44
Definition: Log header information for a unique well and type of log tool run. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

LWD_F

Alias: LWD_F
Data type: String
Width: 3
Definition: Logged while drilling flag Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WELLNAME

Alias: Well Name
Data type: String
Width: 6
Definition: The name assigned to the well. It may be a special name or the name of the property to which the well belongs. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WELLSUFFIX

Alias: Well Name Suffix
Data type: String
Width: 8
Definition: An extension to the well name that indicates the number of times that a new wellbore has been drilled. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

OPERNUM

Alias: Well Operator Code
Data type: String
Width: 5
Definition: The number assigned by the https://www.data.boem.gov/Main/HtmlPage.aspx?page=boreholeRE to a business entity, individual, or agency with whom the https://www.data.boem.gov/Main/HtmlPage.aspx?page=boreholeRE does business or exchanges information. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

FABBRV

Alias: Well Field Name
Data type: String
Width: 8
Definition: Abbreviation of well field name. E.g. "WD027" = "West Delta 027" Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

SPUDDATE

Alias: Well Spud Date
Data type: Number
Width: 9
Definition: The date that the drilling rig first begins boring into the earth's surface. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WBHLSENUM

Alias: Well Bottom Hole Lease Number
Data type: String
Width: 10
Definition: The lease number at the bottom hole of the well. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WRKBELEV

Alias: Rig Kelly Bushing Elevation (feet)
Data type: Number
Width: 9
Definition: The distance, in feet, from the rig's kelly bushing to the mean sea level. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WBHMD

Alias: Well Bottom Hole Measured Depth (feet)
Data type: Number
Width: 9
Definition: The actual distance measured along the axis of the borehole from the rig kelly bushing to the dept maximum penetration of the well. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WBHTVD

Alias: Well Bottom Hole True Vertical Depth (feet)
Data type: Number
Width: 9
Definition: The vertical distance, in feet, from the rig kelly bushing to the maximum depth of the well. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WSRFNSDIST

Alias: Well Surface North-South Distance
Data type: Number
Width: 9
Definition: North/South footage or distance that represents the length of the measurement from an identifiable line. The distance from the borehole surface location to either the north or south block boundary. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WSRFNSF

Alias: Well Surface North-South Code
Data type: String
Width: 1
Definition: North/South descriptor that indicates the direction of a measurement from an identifiable line. Indicates whether the surface borehole location is measured from the north (N) or south (S) block boundary. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WSRFEWDIST

Alias: Well Surface East-West Distance
Data type: Number
Width: 9
Definition: East/West footage or distance that represents the length of a measurement from an identifiable line. The distance from the borehole surface location to either the east or west block boundary. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WSRFEWF

Alias: Well Surface East-West Code
Data type: String
Width: 1
Definition: East/West descriptor that indicates the direction of a measurement from an identifiable line. Indicates whether the surface borehole location is measured from the east (E) or west (W) block boundary.. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WSRFAREACD

Alias: Well Surface Area Code
Data type: String
Width: 3
Definition: The indicator used to identify an area name Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WSRFBLKNUM

Alias: Well Surface Block Number
Data type: String
Width: 5
Definition: Identifies a subdivision of an Official Protraction Diagram, as applied to the subdivision containing the surface location of a well. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WBOTNSDIST

Alias: Well Bottom North-South Distance
Data type: Number
Width: 9
Definition: The distance from the borehole bottom location to either the north or south block boundary. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WBOTNSF

Alias: Well Bottom North-South Code
Data type: String
Width: 1
Definition: Indicates whether the borehole bottom location is measured from the north (N) or south (S) block boundary Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WBOTEWDIST

Alias: Well Bottom East-West Distance
Data type: Number
Width: 9
Definition: The distance from the location of borehole bottom to either the east or west block boundary. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WBOTEWF

Alias: Well Bottom East-West Code
Data type: String
Width: 1
Definition: Indicates whether the borehole bottom location is measured from the east (E) or west (W) block boundary. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WBOTAREACD

Alias: Well Bottom Area Code
Data type: String
Width: 3
Definition: The designated abbreviation assigned to Outer Continental Shelf (OCS) geographical units for identification purposes and for use on maps and in data bases, as applied to the bottomhole location of a well. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WBOTBLKNUM

Alias: Well Bottom Block Number
Data type: String
Width: 5
Definition: Identifies a subdivision of an Official Protraction Diagram, as applied to the subdivision containing the bottomhole location of a well. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WTDDT

Alias: Well Total Depth Date
Data type: Number
Width: 9
Definition: YYYYMMDD - The date drilling on a well reached the final total depth. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WSTATUSDT

Alias: Well Status Date
Data type: Number
Width: 9
Definition: YYYYMMDD - The date the borehole status became effective. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WTYPECD

Alias: Well Type Code
Data type: String
Width: 1
Definition: Indicates the final classification of a borehole denoting purpose of the drilling. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WDISTRICT

Alias: Well District Code
Data type: String
Width: 2
Definition: An indicator assigned to a sub-office of an Outer Continental Shelf (OCS) regional office which has delegated authority for field operations activities including: permitting wells, inspections, drilling, and production operations. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WSTATUS

Alias: Well Status Code
Data type: String
Width: 3
Definition: Indicates the conditions relating to a borehole. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WATERDEPTH

Alias: Water Depth (feet)
Data type: Number
Width: 9
Definition: The depth of water at a well/platform location from the water level to the mud line. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WSRFLON

Alias: Well Surface Longitude
Data type: Float
Width: 19
Number of decimals: 11
Definition: Angle measured about the spheroid axis from a local prime meridan to the meridian through the point. A longitude value of a location in the borehole. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WSRFLAT

Alias: Well Surface Latitude
Data type: Float
Width: 19
Number of decimals: 11
Definition: Angle subtended with equatorial plane by a perpendicular from a point on the surface of a spheroid. A positive value of a location in the borehole. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WBOTLON

Alias: Well Bottom Longitude
Data type: Float
Width: 19
Number of decimals: 11
Definition: Angle measured about the spheroid axis from a local prime meridan to the meridian. A positive value denotes east. The longitude value of a location in the borehole. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WBOTLAT

Alias: Well Bottom Latitude
Data type: Float
Width: 19
Number of decimals: 11
Definition: Angle subtended with equatorial plane by a perpendicular from a point on the surface of a spheroid. A positive value denotes north. The latitude value of a location in the borehole. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

OPERATOR

Alias: Operator
Data type: String
Width: 120
Definition: The number assigned by Minerals Management Service to a business entity, individual, or agency with whom MMS does business or exchanges information. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

SRFAREABLK

Alias: Well Surface Area + Block Number
Data type: String
Width: 6
Definition: Well Surface Area + Block Number. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

BOTAREABLK

Alias: Well Bottom Area + Block Number
Data type: String
Width: 6
Definition: Well Bottomhole Area + Block Number. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

SABLKWNAME

Alias: Surface Area + Block + Well Name
Data type: String
Width: 15
Definition: Well Surface Area + Block Number. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

BABLKWNAME

Alias: Bottom Area + Block + Well Name
Data type: String
Width: 15
Definition: Well Bottomhole Area + Block Number. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WELLNAME2

Alias: WELLNAME2
Data type: String
Width: 6
Definition: Well name abbreviated from the name assigned to the well. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

SUFFIX2

Alias: SUFFIX2
Data type: String
Width: 8
Definition: Well suffix abbreviated. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

Alias: Mapping Longitude
Data type: Float
Width: 19
Number of decimals: 11
Definition: Mapping longitude, if bottomhole longitude is available, otherwise surface longitude. Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

Alias: Mapping Latitude
Data type: Float
Width: 19
Number of decimals: 11
Definition: Mapping latitude. If bottomhole latitude is available, otherwise surface latitude. Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

WCOMPINT

Alias: Number of Completion Intervals
Data type: Number
Width: 9
Definition: Sum of completion intervals for each well. Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

WCOMP

Alias: Number of Completions
Data type: Number
Width: 9
Definition: Sum of completions for each well. Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

WTEST

Alias: Number of Tests
Data type: Number
Width: 9
Definition: Sum of well tests for each well. Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

WPALEO

Alias: Number of Paleo Picks
Data type: Number
Width: 9
Definition: Sum of paleo observations (picks) for each well. Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

FRSTPRODDT

Alias: First Production Date (YYYYMM)
Data type: Number
Width: 9
Definition: The date a well is first placed on continuous extraction of solid minerals or flow of fluid minerals that is primarily for sales rather than for testing. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

LASTPRODDT

Alias: Last Production Date (YYYYMM)
Data type: Number
Width: 9
Definition: Last (Maximum) production date for each well. Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

SPUDDATE2

Alias: Spud Date (Date format)
Data type: String
Width: 11
Definition: The date that the drilling rig first begins boring into the earth's surface. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WTDDT2

Alias: Well Total Depth Date (Date format)
Data type: String
Width: 11
Definition: The date drilling on a well reached the final total depth. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WSTATUSDT2

Alias: Well Status Date (Date format)
Data type: String
Width: 11
Definition: The date the borehole status becomes effective. Definition Source: https://www.data.boem.gov/Main/HtmlPage.aspx?page=borehole

WOCUM

Alias: Well Cumulative Oil Prod (bbls)
Data type: Number
Width: 9
Definition: Well Cumulative Oil Production (bbls). Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

WGCUM

Alias: Well Cumulative Gas Prod (Mcf)
Data type: Number
Width: 9
Definition: Well Cumulative Gas Production (Mcf). Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

WGECUM

Alias: Well Cumulative Gas Prod (BOE)
Data type: Float
Width: 19
Number of decimals: 11
Definition: Well Cumulative Gas Production (BOE). Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

WWCUM

Alias: Well Cumulative Water Prod (bbls)
Data type: Number
Width: 9
Definition: Well Cumulative Water Production (bbls). Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

WECUM

Alias: Well Cumulative BOE Prod (BOE)
Data type: Float
Width: 19
Number of decimals: 11
Definition: Well Cumulative BOE Production (BOE). Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

WOPRODLY

Alias: Well 2006 Oil Prod (bbls)
Data type: Number
Width: 9
Definition: Last Calendar Year Oil Production (bbls): 1 Jan - 31 Dec Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

WGPRODLY

Alias: Well 2006 Gas Prod (Mcf)
Data type: Number
Width: 9
Definition: Last Calendar Year Gas Production (Mcf): 1 Jan - 31 Dec Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

WGEPRODLY

Alias: Well 2006 Gas Prod (BOE)
Data type: Float
Width: 19
Number of decimals: 11
Definition: Last Calendar Year Gas Production (BOE): 1 Jan - 31 Dec Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

WWPRODLY

Alias: Well 2006 Water Prod (bbls)
Data type: Number
Width: 9
Definition: Last Calendar Year Water Production (bbls): 1 Jan - 31 Dec Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

WEPRODLY

Alias: Well 2006 BOE Prod (BOE)
Data type: Float
Width: 19
Number of decimals: 11
Definition: Last Calendar Year Water Production (bbls): 1 Jan - 31 Dec Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

WCUMGOR

Alias: Well Cumulative Gas-Oil Ratio (Mcf/stb)
Data type: Float
Width: 19
Number of decimals: 11
Definition: Well Cumulative Gas-Oil Ratio (Mcf/stb). Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

WCLASS

Alias: Well Classification
Data type: String
Width: 20
Definition: Combination of Well Status and Gas/Oil Production Ratio (Oil, Gas, Dry, etc). Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

HASVEL

Alias: Velocity Survey Flag
Data type: String
Width: 1
Definition: Indicates if well has associated velocity survey data. Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

NUMLOGS

Alias: Number of Well Logs from MMS
Data type: Number
Width: 9
Definition: Number of well logs for each well from https://www.data.boem.gov/Main/HtmlPage.aspx?page=boreholeRE. Definition Source: http://www.gomsmart.com/GOMsmartHelp/Data/boreholes.htm

SOURCE

Alias: SOURCE
Data type: String
Width: 6
Definition: Indicator of whether directional survey data is provided by https://www.data.boem.gov/Main/HtmlPage.aspx?page=boreholeRE (Real) or generated from well and completion locations (Pseudo) Definition Source: ESA Derived from Directional Survey table: http://www.gomr.https://www.data.boem.gov/Main/HtmlPage.aspx?page=boreholere.gov/homepg/data_center/directional_survey.html

ESA_ADD

Alias: ESA_ADD
Data type: Number
Width: 9

Well Log Locations

Shapefile