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Gold/Mining/Energy : Olympic Resources ORL:VSE

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To: knight who wrote (8)11/10/1999 11:48:00 AM
From: burner  Read Replies (1) of 95
 
GEOLOGICAL EVALUATION OF SEMITROPIC
Olympic (ORL:VSE)is the operator of the prospect holding a 37.5% working interest.
PRELIMINARY GEOLOGICAL EVALUATION OF THE SEMITROPIC PROSPECT SAN JOAQUIN BASIN FOR OLYMPIC RESOURCES--SEPTEMBER 21, 1999 by W.R May (P.Geol)
Just the major points:
CONCLUSIONS
-leased 3,973 acres of mineral rights to ~ 25,000'
(since added 972 adjoining acres)
-San Joaquin Basin is a mature producing province
with most production from horizons <12,000'
-multiple horizon potential 8 geological horizons
establised within basin
Lost Hills Field, 6 miles west of Olympic's land
produces from 5 horizons
Semitropic Field 6 miles SW produces from 3
horizons
-leases are 4 1/2 miles E of Bellevue Blowout
-Most of hydrocarbons in GSJB discovered in lower
portion of sedimentary section.
(gets pretty technical here)
-Hydrocarbon Charging of reservoirs is efficient
relative volume of source rock to reservoir rock
in basin is high-charging takes 2 forms:
Shallow Biogenic Gas <4000' and Deeper Thermal
Oil & Wet Gas >4000'
(gives hydrocarbon types and depths)
Top of Temblor ranges from 14,700'-16,300'
optimal for Oil & Wet Gas
-Trapping Mechanisms are combined
structural/stratigrahic
major fields located on structures where closures
are measured in 1'000's of feet
SEMITROPICPROSPECT is located on fault structure
(Button Willow Fault)
Strong potential for hydrocarbons to be trapped
stratigraphiclly
- RESERVES potential for hydrocarbons in all 10
of prospective HC bearing horizons
MYA SANDS
2,800-3,800' Principal producers in Hinge Belt
gas charged
gas pay thickness from 1-50' avg 10-15'
porosities from 20-36% avg 30%
area of gas fields from 0.3-10 sections
size of gas fields from 0.3-167 BCF avg 2.2BCF
SEVEN KNOWN GAS FIELDS
HARVESTER 1.3 BCF
NW TRICO 2.7 BCF
NW SEMITROPIC 0.5 BCF
TRICO 167 BCF
SEMITROPIC 15 BCF
SHAFTER 2.1 BCF
GARRISON CITY 2.3 BCF
Chance of Success

Shallow (Mya)- 36%
Deep (Temblor)-18.5%

RECOMMENDATIONS
1. two ECONOMIC CASES be run:
MYA 3,800' 3 sections 12.5 BCF
TEMBLOR 18,000' 2+ sections 80 BCF
2. integrated interpretation on Temblor Horizon
to quantify size of structure
3. cuttings over Temblor to identify
-sand compositions
-porosity types
-calibrate well logs
4. BVW log analyses on Temblor
5. production data be obtained from offsetting
wells
6. more info be obtained on the 19-26S-22E well
that was drilled in 1947 on the Mya prospect

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