Table T12. Wireline tool strings and properties measured, Leg 193.

Table T12. Wireline tool strings and properties measured, Leg 193.

Tool string

Logging speed (m/hr)

Individual tools

Properties measured

Tool length
(m)

Sample interval (cm)

Vertical resolution (cm)

Maximum temperature (°C)

Triple combination 488 HNGS* Natural gamma ray 2.59 15 45 260

APS* Porosity 3.96 5 and 15 30 175

HLDS* Bulk density, photoelectric factor 7.03 15 38 175

DIT-SFR* Resistivity 9.53 15 200/150/76 175

FMS* sonic 250 FMS* Resistivity image 7.72 0.25 0.5 175

NGT* Natural gamma ray 2.61 15 45 150

GPIT* Tool orientation, magnetic field (in FMS) 1 or 15 NA 175

DSI* Sonic velocity 15.5 15 110 175

UHT-MSM 200 UHT-MSM Temperature NA NA NA 232 (~10 hr)

400 (~4 hr)

HTT 200 HTT Temperature NA NA NA 275

LWD
RAB* Resistivity image 10.1 ft 1/20 s NA 150

Electrical resistivity NA (~15 cm) NA NA

Gamma ray NA NA NA NA

Tool string	Logging speed (m/hr)	Individual tools	Properties measured	Tool length (m)	Sample interval (cm)	Vertical resolution (cm)	Maximum temperature (°C)
Triple combination	488	HNGS*	Natural gamma ray	2.59	15	45	260
		APS*	Porosity	3.96	5 and 15	30	175
		HLDS*	Bulk density, photoelectric factor	7.03	15	38	175
		DIT-SFR*	Resistivity	9.53	15	200/150/76	175
FMS* sonic	250	FMS*	Resistivity image	7.72	0.25	0.5	175
		NGT*	Natural gamma ray	2.61	15	45	150
		GPIT*	Tool orientation, magnetic field	(in FMS)	1 or 15	NA	175
		DSI*	Sonic velocity	15.5	15	110	175
UHT-MSM	200	UHT-MSM	Temperature	NA	NA	NA	232 (~10 hr)
							400 (~4 hr)
HTT	200	HTT	Temperature	NA	NA	NA	275
LWD		RAB*	Resistivity image	10.1 ft	1/20 s	NA	150
			Electrical resistivity	NA	(~15 cm)	NA	NA
			Gamma ray	NA	NA	NA	NA

Notes: * = trademark of Schlumberger. See Table T11 for explanations of acronyms used to describe tool strings and individual tool names. NA = not applicable.