“…The pore pressure gradient in the Gotnia Formation halites and anhydrites in West Kuwait is close to 19.25 ppg (1.00 psi/ft) at 12500 ft 8 . The Upper Jurassic section in West Kuwait the Gotnia Formation was successfully drilled in a high angle well with a mud weight of 19.0 -19.2 ppg; the Effective Circulating Density (ECD) during drilling was up to 19.43 ppg -just sufficient to control the pore pressure but low enough to prevent circulation losses 9 . The margin between the pore and fracture pressure in the Gotnia Formation can be as low as 300 psi 8 with a corresponding fracture gradient of 19.7 ppg at 12500ft.…”
“…The pore pressure gradient in the Gotnia Formation halites and anhydrites in West Kuwait is close to 19.25 ppg (1.00 psi/ft) at 12500 ft 8 . The Upper Jurassic section in West Kuwait the Gotnia Formation was successfully drilled in a high angle well with a mud weight of 19.0 -19.2 ppg; the Effective Circulating Density (ECD) during drilling was up to 19.43 ppg -just sufficient to control the pore pressure but low enough to prevent circulation losses 9 . The margin between the pore and fracture pressure in the Gotnia Formation can be as low as 300 psi 8 with a corresponding fracture gradient of 19.7 ppg at 12500ft.…”
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