The GOMR.BOEMRE.GOV website is no longer being updated. In its place, BOEM.GOV and BSEE.GOV have been launched. Over the next several weeks, the appropriate content from the GOMR.BOEMRE.GOV website will be moved to the new sites.

Summary File for Boreholes

The Start Position Column is used for fixed dumps only. Click on the column alias for a valid list of values or codes associated with the element selected.

Start Position	Item Length	Column Alias	Definition
1	12	API Well Number	API Well Number - A unique well identification number consisting of (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.
13	6	Well Name	Well Name - The name assigned to the well. It may be a special name or the name of the property to which the well belongs.
19	8	Well Name Suffix	Well Name Suffix - An extension to the well name that indicates the number of times that a new wellbore has been drilled.
27	5	Operator Number	Operator Number - The number assigned by Minerals Management Service to a business entity, individual, or agency with whom MMS does business or exchanges information.
32	8	Bottom Field Name Code	Bottom Field Name Code - Name of the field in which the bottom of the well is located.
40	8	Spud Date	Spud Date - YYYYMMDD - The date that the drilling rig first begins boring into the earth's surface.
48	10	Bottom Lease Number	Bottom Lease Number - The number assigned to a lease by the regulatory agency having jurisdiction over mineral activity in the territory where the lease is located.
58	5	RKB Elevation	RKB Elevation - The distance, in feet, from the rig's kelly bushing to the mean sea level.
63	5	BH Total MD	Borehole Total Measured Depth - The actual distance measured along the axis of the borehole from the rig kelly bushing to the dept maximum penetration of the well.
68	5	True Vertical Depth	True Vertical Depth - The vertical distance, in feet, from the rig kelly bushing to the maximum depth of the well.
73	5	Surface N/S Distance	Surface N/S Distance - 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.
78	1	Surface N/S Code	Surface N/S Code - 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.
79	5	Surface E/W Distance	Surface E/W Distance - 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.
84	1	Surface E/W Code	Surface E/W Code - 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.
85	2	Surface Area	Surface Area - The indicator used to identify an area name.
87	6	Surface Block	Surface Block - Identifies a subdivision of an Official Protraction Diagram, as applied to the subdivision containing the surface location of a well.
93	5	Bottom N/S Distance	Bottom N/S Distance - The distance from the borehole bottom location to either the north or south block boundary.
98	1	Bottom N/ S Code	Bottom N/ S Code - Indicates whether the borehole bottom location is measured from the north (N) or south (S) block boundary.
99	5	Bottom E/ W Distance	Bottom E/W Distance - The distance from the location of borehole bottom to either the east or west block boundary.
104	1	Bottom E/ W Code	Bottom E/W Code - Indicates whether the borehole bottom location is measured from the east (E) or west (W) block boundary.
105	2	Bottom Area	Bottom Area  Code - 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.
107	6	Bottom Block	Bottom Block Number - Identifies a subdivision of an Official Protraction Diagram, as applied to the subdivision containing the bottomhole location of a well.
113	8	Total Depth Date	Total Depth Date - YYYYMMDD - The date drilling on a well reached the final total depth.
121	8	Status Date	Status Date - YYYYMMDD - The date the borehole status became effective.
129	1	Type Code	Type Code - Indicates the final classification of a borehole denoting purpose of the drilling.
130	2	District Code	District Code - 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.
132	3	Status Code	Status Code Indicates the conditions relating to a borehole.
135	5	Water Depth	Water Depth - The depth of water at a well/platform location from the water level to the mud line.
140	16	Surface Longitude	Surface Longitude - 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.
156	16	Surface Latitude	Surface Latitude - 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.
172	16	Bottom Longitude	Bottom Longitude -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.
188	16	Bottom Latitude	Bottom Latitude - 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.
204	10	Surface Lease Number	Surface Lease Number - The number assigned to a lease by the regulatory agency having jurisdiction over mineral activity in the territory where the lease is located.
214	7	Complex ID Num	Complex ID Num - The unique identifier assigned to a single man-made structure or a group of structures connected by a walkway.
221	2	Structure Number	Structure Number - A unique number assigned to a specific structure within a complex.

* This column is valid for fixed dump only.