Clay-free oil-based drilling fluid system

 2017-01-12 16:20:13 click

In Nov. 2011, SPT applied no clay synthetic drilling fluid system in horizontal wells of PetroChina southwest oil & gas field, which solved the hole cleaning, well collapse and other problems smoothly. When drilled to a depth of 3790m, it successfully across 1045m of shale in horizon section. Compared to the adjacent well, the maximum extension of horizontal section nearly 450m, which deserves affirmation and praise from the Customers.

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