RE: Malcy6 Feb 2020 18:16
Where did you get the idea they have not logged the well?
From the Dec 16th RNS;
· Cascadura-1ST1 cased hole wireline logs indicated significant prospective oil pay totaling 1,037 feet from 1,374 feet of gross sand.
· 80 net feet of oil pay was encountered in the regional Lower Cruse sands at measured depths between 1,030 and 2,134 feet.
· 180 net feet of oil pay was encountered in an Upper Herrera Gr7c thrust sheet at measured depths between 4,198 and 4,994 feet. These sands were not previously encountered in any offset wells in the area.
· 600 net feet of oil pay was encountered in a Middle Herrera Gr7c thrust sheet at measured depths between 5,516 and 6,162 feet. These sands were also not reported in any offset wells previously drilled in the area.
· 177 net feet of oil pay was encountered in a Lower Herrera Gr7a thrust sheet at measured depths between 6,162 and 6,350 feet, which were one of the Company's targeted sands as identified in the offsetting well.
The well was originally targeted to be drilled to 8,150 feet however, while drilling the well, we encountered several distinct high-pressure hydrocarbon kicks that were controlled through the use of high-weight drilling fluid and pressure control. For safety reasons, the Company decided to cease drilling operations and case the well to preserve the significant oil saturated sand reservoirs which had been encountered to total depth. As a result of the high pressures and mud weights we were unable to use a conventional open hole logging tool; Schlumberger was on site on December 12 and completed cased hole logging operations using their Pulsed Neutron Extreme tool on December 15, 2019. All information reported herein was based on cased hole logging data which correlated with drilling samples.
The Cascadura-1ST1 cased hole well logs and drilling samples indicated oil pay in the regional Lower Cruse Formation as well as three significant oil-bearing packages in the Herrera member of the Mid-Miocene aged Cipero formation. While drilling the surface and intermediate sections of the well, several oil bearing sands in the Lower Cruse formation were encountered. A total of 220 gross (80 net) feet of prospective pay was logged at depths between 1,030 and 2,134 feet. These sands correlate to sands observed in the offset BW-5 well but they were wet in the structurally lower offset. The Lower Cruse Formation was not considered to be a target in the Cascadura prospect and the Company will evaluate the potential of these secondary sands at a future date.
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