ADJUSTABLE STRENGTH SHOCK ABSORBER SYSTEM FOR DOWNHOLE BALLISTICS

A downhole perforation system includes a ballistic device having an first end and a second end, the ballistic device carrying an explosive material. The system further includes a shock absorption device coupled to at least one of the first or second end of the ballistic device and configured to abso...

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Bibliographische Detailangaben
1. Verfasser:	Rafie, Saeed
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING ENGINEERING ELEMENTS AND UNITS FIXED CONSTRUCTIONS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MEANS FOR DAMPING VIBRATION MECHANICAL ENGINEERING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS SHOCK-ABSORBERS SPRINGS THERMAL INSULATION IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	A downhole perforation system includes a ballistic device having an first end and a second end, the ballistic device carrying an explosive material. The system further includes a shock absorption device coupled to at least one of the first or second end of the ballistic device and configured to absorb at least a portion of impact energy produced from detonation of the explosive material. The shock absorption device includes a shock absorption module which includes a viscoelastic body and a rigid structure molded within the viscoelastic body. The rigid structure is configured to break or deform when impacted by a threshold amount of impact energy. Broken or deformed portions of the rigid structure are contained within the viscoelastic body.