About This Item
- Full text of this item is not available.
- Abstract PDFAbstract PDF(no subscription required)
Share This Item
The AAPG/Datapages Combined Publications Database
Houston Geological Society Bulletin
Abstract
Abstract:
Trap
Analysis at Wilburton Field (Oklahoma) Better Defines Exploration Risks in the Arkoma Basin
![Previous Hit](/data/images/arrow_left.gif)
![Next Hit](/data/images/arrow_right.gif)
By
Trap
analysis has widespread application
for prospect evaluation of fault-bounded
structural closures in the Mid-Continent.
Trap
analysis involves
detailed study of how the objective reservoir
section is juxtaposed with the sealing
section across a fault and can be used to
predict prospect viability and potential
hydrocarbon column heights for faulted
anticlines. This method was successfully
applied to lower Ordovician dolomite
objectives in faulted structures along the
Marathon-Ouachita Orogen.
The deeper pool Arbuckle discovery
by ARCO at Wilburton Field in late
1987 set off a drilling boom in the
Arkoma Basin. Before and after
Wilburton, many Arbuckle dry holes
were drilled which violated principles of
trap
analysis. Many failed wildcats did not
have proper fault throw on the critical
trapping fault to juxtapose Arbuckle
reservoir section with down thrown (post
Simpson) seal section. Attributes of successful
prospects must include fault displacements
within a range controlled by
sealing stratigraphy.
Trap
risks can be
evaluated prior to drilling with a good
structure map and knowledge of local
stratigraphy and it's rock properties
(including capillary entry pressures).
End_of_Record - Last_Page 17---------------