To achieve optimal stimulated reservoir volume, 12 stages were identified from the completion adviser for Well A-1.

为了找出最好的增产储层，A-1井的完井工程师认为本井应分为12个压裂阶段。

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Meanwhile, U.K. sales volume dropped more than 12% in the last quarter.

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In contrast: the 12-volume paperback edition of Dance to the Music of Time presented by its author, Anthony Powell, to an Oxford library.

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The most popular LNG strikes on the day January 2012 7 call, with volume of 4, 000 contracts, the January 2012 6 and 12 strikes, where roughly 2, 000 calls have traded, and the March 2012 12 call, which has attracted volume of 2, 100 contracts.

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