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Multi-Client Studies
The Lower Cretaceous Study |
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SCA recognizes both offshore and onshore potential in the Lower
Cretaceous. SCA has conducted an Eastern Gulf study which is a must
for your management decisions regarding this trend. The valuable
information in this study will help provide the technical material
from which you should be able to make sound decisions on your future
activities in the Lower Cretaceous in this region.
STUDY OBJECTIVES
- To generate a regional framework as well as local exploration
models based on seismic data, well log control and paleogeographic
relations that will serve as guidelines for identifying areas where
the best potential exists for reservoir development and hydrocarbon
entrapment.
- To characterize the productive reservoir units of selected Lower
Cretaceous carbonate fields using core data and detailed seismic
and well log-based stratigraphic studies.
- To identify seismic facies characters and relationships that
will indicate zones of higher reservoir potential.
- To identify which sequence stratigraphic units possess significant
reservoir potential.
- To identify systems tracts and specific facies within these sequences
through the integration of both core and sample data into the seismic
and well log data framework.
- To identify the sequence stratigraphic units of the Lower Cretaceous
through the integration of seismically defined boundaries with
those identified with regional subsurface electric log control.
- To characterize the production potential and economic viability
of the Lower Cretaceous carbonate system by assessing key production
parameters in at least 4 fields.
DELIVERABLES
This set of analyses will serve as the basis for your understanding
and further evaluation of this important, high potential hydrocarbon
bearing sequence. SEISMIC
- At least 6 regional lines (>500 miles) illustrating regional
sequence stratigraphic/amplitude characteristics including large
scale sequence boundaries, depositional sequences, and maximum
flooding zones, and signatures that relate to reservoir development
and production.
- Local seismic lines across producing fields that illustrate the
seismic signature of the carbonate reservoir system and its relationship
to the regional sequence stratigraphic framework.
- At least 12 synthetic seismograms will be generated for calibration
to rock and well log signatures.
SUBSURFACE
- Type logs with all rock data that illustrate depositional sequences,
facies, and reservoir types for both the regional evaluation and
individual fields.
- Subsurface Cross-Sections: At least 120 wells will be used in
the construction of 8 regional cross-sections and several local
cross-sections across producing fields in order to illustrate large
scale (low order), as well as high order sequence stratigraphic
relationships.
- Regional high-resolution sequence stratigraphic log cross-sections
that illustrate packages of smaller order cycles and the sequence
of facies tracts across the area.
- Detailed graphic/digital core and sample logs with available
porosity/permiability Study.
- Cores: At least 50 detailed core descriptions (4500') that illustrate
rock and reservoir facies types, depositional environment, and
systems tract interpretations.
- Thin sections: At least 300 thin sections will be described in
order to define rock facies, reservoir pore system types, and important
diagenetic modifications.
- Well Cutting Descriptions: Well cuttings from at least 15 wells
will be described in order to define vertical lithologic variations,
the evolution of depositional environments, and their sequence
stratigraphic interpretation and important reservoir types.
- Rock catalog documenting reservoir and seal types across the
study area. This catalog will contain core and thin section photographs,
porosity/permiability cross- plots of individual reservoir types
and pertinent and available engineering data that help define reservoir
performance.
- Oil and Gas Field log cross-sections tied to synthetic seismograms
and core and sample descriptions that illustrate the types and
distributions of reservoirs and associate facies, in and around
the producing fields.
- Regional depositional facies and sequence stratigraphic models.
- Local oil and gas field depositional and sequence stratigraphic
models.
ENGINEERING
- Rock reservoir evaluations will be tied to porosity-permeability
data on at least 5 fields in order to assess surface area recovery
factors for reservoir rock types responsible for production in
each field.
- Basic Field Statistics
- Production profile for field and typical wells
- Reserve calculations
- Production rate distribution
- Drive mechanism profile
For more information please contact Hal Miller.
Tel: 713-789-2444
Fax: 713-789-4449
email: Hal Miller
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