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Australian firm’s horizontal drilling hits reservoir in India

14th April 2014

Australia-registered Oilex have reported reaching total depth on a tight oil play and finding a commercially viable hydrocarbon reserve.

Cambay-77H is offset 300m from the Cambay-76H horizontal well that underwent a successful multiple staged fracture stimulation programme along its 633m lateral section in 2012.
Cambay-77H is offset 300m from the Cambay-76H horizontal well that underwent a successful multiple staged fracture stimulation programme along its 633m lateral section in 2012.

Oilex's offshore Indian play, Cambay-77H, has reached total depth at 2370m. The primary reservoir target (Y Zone) has been intersected on prognosis and increased gas readings similar to Cambay-76H indicate the reservoir is hydrocarbon bearing. A full suite of logs will be acquired subsequent to conditioning the wellbore, after which, the 4.5 inch production casing will be set and cemented in preparation for a fracture stimulation programme.

Cambay-77H is offset 300m from the Cambay-76H horizontal well that underwent a successful multiple staged fracture stimulation programme along its 633m lateral section in 2012.

However, it was suspended before testing due to downhole mechanical problems. Prior to suspending the well, gas and condensate flowed to surface during well control operations.

A shorter lateral section (350m) in Cambay-77H coupled with a conventional “plug and perf” method for fracture stimulation is expected to facilitate the primary goal of the well – recording hydrocarbon flow information at surface during a production test.

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