Jet Research Center Drill Collar Severing Tool P/N 101293224 Rev. K
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Jet Research Center, 8432 South I-35W, Alvarado, Texas, 76009-9775, USA
Telephone 1-817-761-2000; Toll Free 1-800-451-5403; Fax 1-817-783-5812; Website www.jetresearch.com
4.3.10 Carefully place MDF Sleeve (6) (Not required for 1-3/8” DCST) over top of MDF.
Slowly lower sleeve into place until bottoming out on top of the first pellet. (Detail A,
Drawing D00051806).
4.3.11 With booster end first, insert the assembled explosive column into the carrier tube
allowing it to bottom out against the spacer spring.
4.3.12 Install greased O-Ring(s) (3) on DCST Adapter (2). Insert the adapter into the
loaded carrier tube by using Loading Tool (18).
4.3.13 Position and tighten the first two (2) Cap Screws (4). Remove the Loading Tool and
insert remaining Cap Screws.
4.3.14 Install proper RED Adapter (if running RED Top Fire) into the DCST Adapter as
required by detonator (reference Table 2b).
4.3.15 The Explosive Assembly is now complete; set it aside until Electrical Assembly has
been connected to the wireline; being careful not to drop or damage it in handling.
DCST Assembly Dimensions
Drill Collar Severing Tools – Firing Heads and Extension Mandrels
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General