| Contents of Regional
Geologic Studies |
Tx-La Yegua |
Middle Tx Yegua |
SW La
Miocene |
| All geological
interpretations by a geoscientist with many years of subsurface, stratigraphic
and sedimentologic experience |
Yes
|
Yes
|
Yes
|
| All micropaleontological
interpretations made by a geoscientist with many years of subsurface
experience. |
Yes
|
Yes
|
Yes
|
| Study completion
date |
1987
|
1989
|
1993
|
| Duration of
study |
15 months
|
9 months
|
2 years
|
| All materials delivered
in convenient digital (PDF) format |
|
|
|
| Explanatory text
with Methodology, Structural Framework, Stratigraphic Framework, Biostratigraphy,
Controls on Sedimentary Record, Paleogeographic Evolution, Depositional
Systems and Exploration Recommendations |
64 pp.
|
74 pp.
|
121 pp.
|
| Large scale enclosures
of maps, cross sections, graphic paleo reports |
115
|
115
|
139
|
| Digital
data for tops, sands and basic well and production data |
yes
|
yes
|
yes
|
| Number of wells
used in each study |
>2,700
|
>1,600
|
>1,800
|
| Number of wells studied
for micropaleontology |
29
|
36
|
17
|
| Number of biostratigraphic
displays created (includes well log, biostratigraphic tops, paleoenvironmental
curve and log correlation tops (abundance/diversity for some wells) |
29
|
36
|
17
|
| Miles of seismic
data studied |
> 400
|
> 1,000
|
> 400
|
| Source
of seismic data |
proprietary
|
TGS
|
Geoph Purs
|
| Panel with intepreted
characteristic seismic
data |
no
|
yes
|
yes
|
| Whole cores studied
and described for depositional environments |
2
|
4
|
2
|
| Number of maps
included with each study |
56
|
45
|
98
|
| Scale
of maps created |
1"=12,000'
|
1"=12,000'
|
1"=8,000'
|
| Number of stratigraphic
units studied in each study |
14
|
14
|
19
|
| Number of detailed
stratigraphic units examined for each study |
10
|
6
|
13
|
| Total number of stratigraphic
sections (dip/strike) created for each study (1" = 100') |
13/4
|
10/5
|
9/5
|
| Total number of dip structural
sections created for each study (1" = 400') |
5
|
5
|
9
|
| Number of maps of interval
upper
bounding surface properties |
0
|
0
|
13
|
| Number of interval
isopach maps |
11
|
9
|
13
|
| Number of net
sandstone maps |
10
|
7
|
13
|
| Number of channel
fill (blocky sandstone) maps |
9
|
6
|
13
|
| Number of percent
sandstone maps |
7
|
6
|
13
|
| Number of log
facies maps |
10
|
6
|
13
|
| Number of integrated
paleogeographic
reconstruction maps |
10
|
6
|
13
|
| Paleogeography
regional summary map of all map units |
yes
|
yes
|
yes
|
| Stratigraphic
framework with type log, biostratigraphy and sequence stratigraphy |
yes
|
yes
|
yes
|
©by Marc B. Edwards
Consulting Geologists, Inc