Gravel packing horizontal openhole laterals with washpipe diverter valves and external casing packers (ECPs) enables isolation of the produced oil stream from shale, water, gas, or other sections of ...

Tighten the packing nut on the toilet shutoff valve one-eighth turn clockwise to try to seal a leak around the nut. Pro tip: Wrap cloth or masking tape on the plier’s jaws to protect the nut’s finish.