DOWNHOLE COUPON HOLDER

A first type of coupon holder includes an elongated core that is axially aligned with a coupon holder axis and an external surface that circumscribes the elongated core. The external surface defines coupon mounting surfaces with different radial orientations relative to the coupon holder axis. The c...

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Bibliographische Detailangaben
Hauptverfasser:	Saini, Rajesh K, Haque, Mohammad H
Format:	Patent
Sprache:	eng
Schlagworte:	EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING MINING OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PHYSICS TESTING
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Beschreibung
Zusammenfassung:	A first type of coupon holder includes an elongated core that is axially aligned with a coupon holder axis and an external surface that circumscribes the elongated core. The external surface defines coupon mounting surfaces with different radial orientations relative to the coupon holder axis. The coupon mounting surfaces are circumferentially aligned around the elongated core and have geometric centers with the same axial position along the coupon holder axis. A second type of coupon holder includes an elongated support structure that is axially aligned with a coupon holder axis and a coupon holder body positioned to have an end face in a plane transverse to the coupon holder axis. The coupon holder body has a plurality of slots to receive end portions of coupons. The slots are in a circular arrangement around the coupon holder axis and position coupons in parallel to the coupon holder axis.