PCON

Under-reaming SystemPCON

The Pneumec P-CON under-reaming system is specially designed to drill and case a hole through unstabled ground conditions for large diameter casings from 323mm up to 813mm diameter. The P-CON is characterized by its concentric design that incorporates a full face pilot bit together with three independent reamers. Its design revolutionizes system performance in difficult overburden drilling. The pilot bit drills through the loose formation and the reamers behind simultaneously widens the hole sufficiently for the casing to slide down. This two-stage drilling concept greatly increases the penetration rates and is particularly efficient in hard abrasive and decomposed rock conditions.


 PES UNDERREAMERS’ CHOICES

 MODEL

DRILLING DIA.

RETRACTED DIA.

CASING

SHANK TYPE

O.D.

I.D.

P-CON 280

345MM

280MM

323MM

302MM

SD-10

P-CON 365

432MM

364MM

406MM

387MM

SD12, N125

P-CON 460

530MM

460MM

508MM

483MM

N125, N180

P-CON 510

 580MM

509MM

559MM

533MM

N180

P-CON 560

 635MM

560MM

610MM

584MM

N180, N240

P-CON 610

 685MM

600MM

660MM

632MM

N240

P-CON 660

735MM

656MM

711MM

685MM

N240

P-CON 745

838MM

745MM

813MM

780MM

N240