DOWNHOLE SEVERING TOOLS EMPLOYING A TWO-STAGE ENERGIZING MATERIAL AND METHODS FOR USE THEREOF
摘要
It is sometimes necessary to sever a downhole tubular structure in the course of conducting subterranean operations. Detonation of an explosive material may be used to sever a tubular structure in some instances. Downhole severing tools may comprise: a housing; a two-stage energizing material within the housing, the two-stage energizing material comprising a high explosive and a reactive energizing material; at least one initiator coupled to the two-stage energizing material at least at a first location; and a detonator coupled to the at least one initiator; wherein upon detonation of the two-stage energizing material, the high explosive undergoes a primary reaction that propagates a secondary reaction of the reactive energizing material.
申请公布号
WO2015152934(A1)
申请公布日期
2015.10.08
申请号
WO2014US32916
申请日期
2014.04.04
申请人
HALLIBURTON ENERGY SERVICES, INC.
发明人
GRATTAN, ANTONY F.;DAVIDSON, JUSTINE M.;LIN, STEVE S.;MORTON, KEVIN O.