Whilst drilling 1 lb of Drispac SL/R (depending on rheology) should be added for every 1 ft of hole drilled. This will ensure optimum encapsulation of fine solids.

• 钻进中，每钻1英尺就要加1磅高粘或低粘锥斯派克(视流变情况而定)，这样将保证最佳携砂能力。