A
AH Along hole
API American Petroleum Institute
B
bbl(s) Barrel(s)
bbls/min Barrels per minute
BDF Below drill floor
BHA Bottom hole assembly
BHS Bottom hole sample
BOP Blow-out preventer
bopd Barrels of oil per day
BPM Back pressure manifold
bpm Barrels per minute (also bbls/min)
BS&W Base sediment & water
B tot Total magnetic field strength
BWOC By Weight of Cement
C
oC Degrees Centigrade (deg C)
CaBr2 Calcium bromide
CaCl2 Calcium chloride
cc Cubic centimetres
CCL Casing Collar Locator Log
cP Centipoise
cSt Centistoke
C/L Center Line
C/W Complete with
D
DC(S) Drill collar(s)
DDR Daily Drilling Report
DE Drilling Engineer
DFE Drill Floor Elevation
DHSV Down hole Safety valve
DMS Drilling Mast and Sub Structure
DP Drill pipe
DS Drilling Supervisor
DST Drill stem test
E
EMMS Enhanced Magnetic Multishot
EMS Electronic Magnetic Surveyor
EUE External upset ends
EMW Equivalent Mud Weight
F
oF Degrees Fahrenheit (deg F)
FINDS Ferranti Inertial Navigation Directional Survey
ft Feet
G
GEMS Gyrodata Electronic Multishot System
GFH Total Gravity Vector
GMS Gyro Multishot System
GMT Greenwich Mean Time
GP Gravel Pack
GPM Gallons per minute
GOR Gas/oil ratio
GR Gamma ray
G tot Total Gravity Field Strength
GWD Gyro While Drilling
GWS Gyrodata Wellbore Surveyor
H
HDIS Hydril drop in sub
HFH Total Magnetic Field Vector
HHP Hydraulic horse power
HP High pressure
HO Hole opener
HPHT High pressure high temperature
HWDP Heavy weight drill pipe
I
IADC International Association of Drilling Contractors
ID Internal diameter
IF Internal flush
IOEM Invert oil emulsion mud
IPS Improved plow steel
ISC Integrated Drilling Services Contractor
IWRC Independent wire rope core
K
KCl Potassium chloride
kg Kilogram(s)
KOP Kick off Point
L
l Litres
LAT Lowest Astronomical Tide
lb(s) Pound(s)
lhk litres per hundred kilo
LCM Lost circulation material
LH Left hand
LP Line pipe
lpm Litres per minute
LPR Lower pipe rams
LT Long threaded
M
m Minute(s)
M(m) Metre(s)
m BDF Meters relative to Drill floor level
MBO Mass Balance Offset
MBT Methylene Blue Test
MESC Material & Equipment Standard & Code
MD Measured Depth
MF Marsh funnel
ML Mud line
MODU Mobile offshore drilling unit
MORV Multiple opening reversing valve
MPR Middle pipe rams
MSL Mean sea level
MSS Magnetic single shot
mSS metre(s) Sub sea
MT Metric ton (tonne)
MW Mud Weight
MWD Measurement while drilling
N
N Newton
NB Near bit
NM Non magnetic
NMD Norwegian Maritime Directorate
NMDC Non Magnetic Drill Collar
NPD Norwegian Petroleum Directorate
NSP Nominal seat protector
O
OD Outside diameter
OIM Offshore Installation Manager
P
PA Personnel address (system)
PBR Polished bore receptacle
PBTD Plug back total depth
PCT Pressure controlled tester (valve)
PDC Polycrystalline diamond cutter
P/N Part number
POB Persons on board
ppb Pounds per barrel
ppm Parts per million
POOH Pull out of hole
ppg Pounds per gallon
psi Pounds per square inch
PV Plastic Viscosity
PVT Pit volume totaliser
PVT Pressure/Volume/Temperature
Q
QA Quality Assurance
QC Quality Control
qt Quartz
R
RCC Rescue coordination centre
RH Right hand
RIH Run in hole
RKB Rotary Kelly Bushing
RLL Resistivity Latero Log
ROP Rate of penetration
ROS Required on site
ROV Remote operated vehicle
RPM Revolutions per minute
RS Rig Superintendent
RTTS Retrievable test, treat & squeeze (packer)
S
SCR Slow circulating rate, also
Silicium Current Rectifier
SDC Scientific Drilling Controls
SDS Senior Drilling Supervisor
SFP Survey Focal Point
sg Specific gravity
sec(s) Second(s)
SICP Shut in casing (annular) pressure
SIDPP Shut in drill pipe pressure
SPM Stand pipe manifold, also
Side pocket mandrel
spm Strokes per minute
SRG Surface Recording Gyro
SS Sub sea
SSC Sub surface control
SSSV Subsurface Safety Valve
STAB Stabiliser
SWL Safe working load
T
TD Total depth
TDS Top drive system
THP Tubing head pressure
THS Tubing head spool
TOC Top of cement
TTOC Theoretical top of cement
TV Television
TVD True vertical depth
U
UBHO Universal bottom hole orientation
UGF Universal guide frame
UPR Upper pipe rams
UTC Universal Coordinated Time
UTM Universal Transverse Mercator
V
VAM Registered trade name for Vallourec's premium connection
W
WOB Weight on bit
WOC Wait on cement
WOW Wait on weather
WP Working pressure
WSDE Wellsite Drilling Engineer
WSG Well Site Geologist
WT Wall thickness
X
XO Tubular crossover
Y
YC Y-Type of casing elevator
YT Y-Type of tubing elevator
Z
ZnBr2 Zinc Bromide