Table T9. Specifications of logging tools used during Leg 192.

Table T9. Specifications of logging tools used during Leg 192.

Tool string

Approximate
logging speed
(m/hr)

Individual tools

Properties measured

Tool
length
(m)

Sampling interval
(cm)

Approximate vertical resolution (cm)

Approximate depth of investigation (cm)

Run 1: Geophysical 274 HNGS* Natural gamma ray 2.59 15 45 Variable

APS* Porosity 3.96 5 and 15 30 15

HLDS* Bulk density, PEF 7.03 15 38 15

DITE-SFR* Resistivity 9.53 15 200/150/76 150/76/38

TAP Temperature 2.71 1/s NA NA

Tool acceleration
4/s

Pressure
1/s

Run 2: FMS*/Sonic 274 FMS* Resistivity image 7.72 0.25 0.5 15

NGT* Natural gamma ray 2.61 15 45 Variable

GPIT* Tool orientation, magnetic field (In FMS) 1 or 15 NA NA

DSI* Sonic velocity 15.50 15 110 15-30

Tool string	Approximate logging speed (m/hr)	Individual tools	Properties measured	Tool length (m)	Sampling interval (cm)	Approximate vertical resolution (cm)	Approximate depth of investigation (cm)
Run 1: Geophysical	274	HNGS*	Natural gamma ray	2.59	15	45	Variable
		APS*	Porosity	3.96	5 and 15	30	15
		HLDS*	Bulk density, PEF	7.03	15	38	15
		DITE-SFR*	Resistivity	9.53	15	200/150/76	150/76/38
		TAP	Temperature	2.71	1/s	NA	NA
			Tool acceleration		4/s
			Pressure		1/s
Run 2: FMS*/Sonic	274	FMS*	Resistivity image	7.72	0.25	0.5	15
		NGT*	Natural gamma ray	2.61	15	45	Variable
		GPIT*	Tool orientation, magnetic field	(In FMS)	1 or 15	NA	NA
		DSI*	Sonic velocity	15.50	15	110	15-30

Notes: * = Schlumberger trademark tools. See Table T8 for definitions of acronyms. NA = not applicable