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CAN: (780) 440-1942
USA: (936) 521-3617

Jam Mitigation System (JMS®)

Two Jam Prevention in either
3″ or  4″ Core Applications.
Nothing Else Like It.


JMS® is insurance against jamming not once but twice. Our 4.0 JMS® does not sacrifice core size in order to do this maintaining a standard 4″ diameter core in 7 7/8″ – 9 7/8″ hole size while still preventing two jams.  Our 3.0 JMS® for use in 6 ¾” and smaller hole sizes, delivers 3″ core while allowing up to 2 jams. We like to think of JMS® as insurance against tripping and in the oilfield you should always have this type of insurance.

TOOL APPLICATIONS
STANDARD CONVENTIONAL CORING
  • Mitigates Unplanned Tripping
DEEP APPLICATIONS
LONG BARREL APPLICATIONS
INCLINED CORING
JAM-PRONE FORMATIONS:
  • Fractured Formations
  • Swelling Formations
  • Shale, Expanding Soft Sediments
  • Conglomerates
  • Multiple Transition Zones
HIGH SPREAD RATES
FEATURES AND BENEFITS
NO REDUCTION IN CORE SIZE WITH 4.0 JMS®
  • 4.0” Diameter Core in 7 7/8″ – 8 3/4″ hole
  • 3.0″ Diameter Core in 6 1/4″ – 6 3/4″ hole
TWO-JAM PROTECTION
HIGH-STRENGTH LINERS
COMPATIBLE WITH HIGH-TORQUE CORE BARREL

COMPATIBLE CANAMERA BARRELS
Canamera 650 with 4.50 JMS®
Canamera 525 with 3.0 JMS®
HOLE DIAMETERS
7 7/8″ – 9 7/8″ utilizes Canamera 650 and hole 6 1/4″ to 6 3/4″ utilizes Canamera 525
CORE DIAMETER
4.0″
NO. OF ACTIVATIONS
2
OUTER TUBE
OD: 6.5″ – 7.00″
LINER LENGTH
30 ft
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