Polymer mud improves drilling efficiencies in Bashkortostan

Polymer-based drilling fluids used in the Bashkortostan fields of Russia can increase penetration rates, improve core recovery, minimize formation damage, retain a near-gauge hole, and reduce transportation and preparation costs.Additionally, polymer muds maintain optimal filtrate cake properties and serve as a tool for bed segregation and selective isolation of water-bearing formations. Click here to enlarge imageBashkirian drillers have additionally found advantages in drilling single and cluster wells with this type of drilling fluid. In the first 3 years, polymer-based muds helped drill 310 development wells, with steady improvements in drilling efficiencies over clay-based muds (Tab...

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