APPENDIX B

AACT = aluminum activation clay tool

ADN = Azimuthal Density Neutron tool

APC = advanced piston corer

bbl = barrel(s)

BHA = bottom-hole assembly [drilling]

BHTV = Borehole Televiewer tool

BOP = blowout preventer

BSR = bottom-simulating reflector

CD = compact disc

CDP = common depth point

CDR = Compensated Dual Resistivity tool

CD-ROM = compact disc read-only memory

CMP = common midpoint

CNT-G = Compensated Neutron Tool

CSES = conical side-entry sub [drilling]

dB = decibel

DIT = Dual Induction Tool

DLL = Dual Laterolog (resistivity) [logging]

DP = dynamic positioning

DSD = Drilling Services Department

DSDP = Deep Sea Drilling Project

DSI = Dipole Sonic Imager

EXCOM = Executive Committee

FMS = Formation MicroScanner

ft = foot or feet

gal = gallon(s)

GHMT = Geological High Resolution Magnetic Tool

GLT = Geochemical Logging Tool

gm/cm³ = grams per cubic centimeter

gpm = gallons per minute

H₂S = hydrogen sulfide

HLDS = Hostile Environment Litho-Density Sonde

HLDT = Hostile Environment Litho-Density Tool

HNGS = Hostile Environment Gamma Ray Sonde

HRRS = hard rock reentry system

JOI = Joint Oceanographic Institutions, Inc.

JOIDES = Joint Oceanographic Institutions for Deep Earth Sampling

kt = knot(s)

lb = pound(s)

lb/ft³ = pounds per cubic foot

LDEO = Lamont-Doherty Earth Observatory of Columbia University

LINC = LWD Inductive Coupling tool

LSS = Long Spacing Sonic Tool [logging]

LWD = logging while drilling

m = meter

MBR = mechanical bit release

mbsf = meters below seafloor

MCS = multichannel seismic

MDCB = motor-driven core barrel

MLS = Marine Laboratory Specialists

MWD = measurement while drilling

NGT = Natural Gamma Ray Spectrometry Tool

nmi = nautical mile

OBS = ocean-bottom seismometer

ODP = Ocean Drilling Program

OIM = Offshore Installation Manager

OPCOM = Operating Committee

PCOM = Planning Committee

PCS = pressure core sampler [drilling]

PDR = precision depth recorder

ppg = pounds per gallon

ppm = parts per million

PPSP = Pollution Prevention and Safety Panel

psi = pounds per square inch

PVT = pressure-volume-temperature

RCB = rotary core barrel

SAC = Sample Allocation Committee

SCICOM = Science Committee

SciMP = Scientific Measurements Panel

SCS = single-channel seismic

Seasat = sea satellite

SID = standing instructions to drillers

SSEP = Science Steering and Evaluation Panel

SSP = Site Survey Panel

SWDWG = Shallow-Water Drilling Working Group

SWGHS = shallow-water gas hazards survey

TAMRF = Texas A&M Research Foundation

TAMU = Texas A&M University

TAMUSP = Texas A&M University Safety Panel

TEDCOM = Technology and Engineering Development Committee

VIT = vibration-isolated television

VPC = vibra-percussive corer

VSP = vertical seismic profile

WST = Well Seismic Tool (used in VSP experiments) [logging]

WWW = World Wide Web

XCB = extended core barrel