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The AAPG/Datapages Combined Publications Database
Houston Geological Society Bulletin
Abstract
Abstract: The Effectiveness of Offshore
3-D
Seismic Surveys: Case Histories
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By
Gulf began to investigate Some of the advantages Most certainly The results achieved in fifteen (15) End_of_Record - Last_Page 2---------------3-D
seismic in the mid-sixties
through Gulf Research and Development Company located in
Harmarville, Pennsylvania. During the late sixties, modeling
was used to simulate acquisition and processing. By the early
seventies, Gulf had completed its first offshore
3-D
seismic
project.
3-D
seismic has over 2-D are: It
can help with the refinement of the structure and stratigraphic
interpretation; it helps define the paleogeology; it can reveal
details that otherwise are not apparent; it can help define
reservoir limits through improved interpretation of the structure
and hydrocarbon indicators; it is a means of obtaining
subsurface control under surface obstructions, such as platforms,
rigs, etc.; it provides the opportunity to construct
profiles in any direction desired; and it lends itself to interactive
interpretation.
3-D
seismic should improve resolution. This
in turn helps define the best possible location for both wildcat
and development wells. Developing additional reserves with
outpost wells and finding new reserves in untested fault
blocks are also benefits of the improved and detailed seismic
control. Utilizing 3-0 provides a basis for making the development
drilling program efficient-that is, only drilling the wells
needed to drain the reservoirs efficiently. For these reasons
the, the usage of
3-D
seismic can be a cost-effective way of
finding and developing hydrocarbons.
3-D
seismic surveys
that cover twenty-eight (28) blocks in the offshore Gulf of
Mexico are reviewed.