Cementing high-loss zones

A method comprising:

• receiving a non-metallic tubular by a wellbore;
• receiving, by central flow passage of the non-metallic tubular, cement;
• emitting the cement from a downhole end of the non-metallic tubular;
• and
• forming a cement plug from the emitted cement to plug a high loss zone by the cement or to spot a conventional cement plug.

A well system comprising;

• a metallic work string;
• a non-metallic tubular defining a central flow passage;
• actuable rollers actuable between an extended position and a retracted position, the actuable roller pivotally attached to the non-metallic tubular, the actuable rollers extending between the non-metallic tubular to an inner surface of the wellbore when in the extended position;
• and
• a connector attached to an uphole end of the non-metallic tubular, the connector configured to attach to a downhole end of the work string.