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Falcon Oil & Gas Logs Deep Well and Runs Casing
Falcon Oil & Gas Logs Deep Well and Runs Casing.
About this update from Falcon Oil & Gas Ltd.
[{"type":"text","content":"\n\n\n\n\nBUDAPEST, Hungary, July 10 /CNW/ -- Falcon Oil and Gas Ltd.\n(TSXV: FO), announced today an operational update on its Mako-6 well in\nHungary.\nThe Mako-6 well has reached TD at a 5692m-measured depth and 5 1/2-inch\ncasing has been set in preparation for testing of multiple zones. As\nindicated in Falcon's May 18, 2006 press release, the well had already drilled\na 900m-gross sequence of the Szolnok Formation with overpressured gas shows\nand a net-to-gross ratio of approximately 60%.\nThe Endrod Formation was expected to be present below the Szolnok\nFormation, as determined by prior drilling in the historic Hod-1 and Mako-1,\n-2 and -3 wells. The Endrod Formation was indeed encountered at 4388m with a\nsharp increase in both pressure and gas shows as evidenced by the mud log. At\nthe base of the Endrod (5075m), Falcon management elected to continue drilling\nto explore and investigate the possibility of coarse-grained clastic sediments\nin the bottom of the basin. Such potential reservoir-grade sediments might be\nassociated with early post-rift and syn-rift deposition, if present. This\ndeeper target has never been drilled in the Mako Trough.\nBased on well information and seismic surveys, the Endrod has now been\nstratigraphically subdivided into an Upper and Lower member. The Upper Endrod\n(4388m to 4735m) consists of shale and marl with thin, fine-grained, sandstone\nturbidites. This unit appears to be highly overpressured and gas-charged.\nThe sediments are organic-rich and represent part of the hydrocarbon\ngenerating portion of the Endrod. As mentioned in Falcon's May 18, 2006 press\nrelease, mud weights had to be increased to more than 16 pounds per gallon and\ngas evolving from these tight gas sands had to be flared to control the well.\nThe Lower Endrod (4735m to 5075m) continued with a 340m sequence of\norganic-rich marl and shale. Significant gas shows and apparent high\npressures persisted. Fine-grained sandstone turbidites were largely absent,\nbut instead two 20m and 50m sandstone/conglomerate sequences occurred in\ndiscrete, thick intervals. These intra-Endrod conglomeratic units show\nindications of permeability on the logs evidenced by mud-cake and invasion\nprofiles. Well logs also indicate gas with no movable water.\nThe Upper and Lower Endrod are seismically distinctive and can be mapped\nover 1...