B-12-84-AL
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General Information
Data Type
2D Multichannel Seismic
Data Acquisition System
Airgun and Streamer
Contributor
Bureau of Ocean Energy Management
Dates
Started on March 1, 1984, and ended on March 31, 1984.
Number of Tracklines
28
Distance Shot
169 km
Description
These data were acquired by BOEM (formerly MMS and USGS). Under the terms of procurement, these data are to be available to the public 25 years after the issuance of the exploration permit.
Purpose
These data were acquired commercially for geophysical and geological (G&G) exploration of oil and gas prospects on the U.S. Outer Continental Shelf (OCS). The Dept. of Interior, which regulates G&G activities on the OCS, acquired these data in order to ensure that the Federal government received fair market value for leases issued for oil and gas production on the OCS, and to accomplish other regulatory functions.
Notes
MCS Data transferred from BOEM to USGS for posting on NAMSS. Limited information available.
Other Survey Identifiers
M84-012 was used by Bureau of Ocean Energy Management.
Geographic Features
Gulf of America, Mobile Bay
Dataset Information
Processed Methods
Seismic Reflection
Processed Data Classes
Stack
Data File Formats
PDF, Text
Embedded Navigation
No
Data Class
Processed
Seismic Data Provenances
Digitally Acquired Digital SEG
Data Media
Online
Navigation Information
Datum
North American Datum 1927 (NAD27)
Location
Tracklines 28 total
| Name | Length (km) | First SP | Last SP | First CDP | Last CDP |
|---|
| MAS-84-0001 | 10 | 525 | 911 | -- | -- |
| MAS-84-0002 | 6 | 100 | 340 | -- | -- |
| MAS-84-0003 | 6 | 525 | 754 | -- | -- |
| MAS-84-0004 | 5 | 100 | 300 | -- | -- |
| MAS-84-0005 | 6 | 445 | 695 | -- | -- |
| MAS-84-0006 | 5 | 100 | 295 | -- | -- |
| MAS-84-0007 | 5 | 465 | 657 | -- | -- |
| MAS-84-0008 | 7 | 100 | 360 | -- | -- |
| MAS-84-0009 | 5 | 445 | 635 | -- | -- |
| MAS-84-0010 | 6 | 100 | 330 | -- | -- |
| MAS-84-0011 | 5 | 405 | 592 | -- | -- |
| MAS-84-0012 | 5 | 100 | 290 | -- | -- |
| MAS-84-0013 | 5 | 380 | 575 | -- | -- |
| MAS-84-0014 | 5 | 100 | 285 | -- | -- |
| MAS-84-0015 | 2 | 425 | 510 | -- | -- |
| MAS-84-0016 | 5 | 100 | 280 | -- | -- |
| MAS-84-0017 | 5 | 395 | 592 | -- | -- |
| MAS-84-0018 | 5 | 100 | 290 | -- | -- |
| MAS-84-0020 | 4 | 100 | 270 | -- | -- |
| MAS-84-0021 | 7 | 430 | 718 | -- | -- |
| MAS-84-0023 | 5 | 490 | 700 | -- | -- |
| MAS-84-0024 | 5 | 100 | 305 | -- | -- |
| MAS-84-0026 | 7 | 100 | 395 | -- | -- |
| MAS-84-0028 | 6 | 100 | 340 | -- | -- |
| MAS-84-0030 | 5 | 100 | 290 | -- | -- |
| MAS-84-0203E | 2 | 100 | 180 | -- | -- |
| MAS-84-0205EA | 23 | 71 | 989 | -- | -- |
| MAS-84-0205W | 10 | 370 | 760 | -- | -- |
Acquisition Parameters
| Name | Value |
|---|---|
| Field Activity Identifiers | B-12-84-AL |
| Vessels | C. General |
| Recording System | DFS-V |
| Antenna to source | 63 meters |
| Source to near channel | 195 meters |
| Source to far channel | 3,194 meters |
| Number of channels recorded | 120 |
| Source to far channel | 25 meters |
| Cable length | 2,999 meters |
| Cable receiver depth | 8 meters |
| Source Depth | 7 meters |
| Source volume | 1,960 cubic inches |
| Shot interval | 25 meters |
| Sample interval | 2,000 microseconds |
| Record length | 7 seconds |
| Nominal fold | 60 |
