R. King & Co. guide to oilfield acronyms and drilling terms for royalty and minerals owners to help them understand drilling and daily cost reports from their operators.
TERM DEFINITION
AFE authorization for expenditure
AZ azimuth
BHA bottomhole assembly – the lower portion of the drillstring
blinds a circular metal disk installed in a pipeline to prevent flow
BLW barrels load water
BLWTR barrels load water to remove
BOP blowout preventer
Borets provides electric submersible pumps
BPDR barrels per day rate
BPM barrels per minute
BPH barrels per hour
BTMS battery thermal management system
CIBP cast iron bridge plug
CSG casing
CT coiled tubing
CTD coiled tubing drilling
CUDD fracking contractor
dart device dropped through string to activate downhole equipment & tools
DSA drill stem assembly
EQ equalizing valve
ESP electric submersible pump
FCP final circulating pressure
FLAP fluid level above pump
GPM gallons per minute
GYRO gyroscopic surveying instrument – device used to determine direction angle at which wellbore is drifting off the vertical
H2S hydrogen sulfide
HWDP heavyweight drillpipe
ID inside diameter
JFS jacking frames
JTS joints
KOP kickoff point
LCM lost circulation material
LD lay down (pipe)
MD measured depth
MIRU move-in rig up
MISURU move-in, set-up, rig-up
MWD measurements-while-drilling
NOGO device of a known and precise dimension that is lowered into a well to determine the dimensions of another device or opening already in the well
NU nipple up
OD outside diameter
PBR polished bore receptacle
pill small volume of a special blend of drilling fluid used for a specific purpose
PJSM pre-job safety meeting
POOH pull out of hole
PP pulling prong
PPG parts per gallon
PPM parts per million
rabbit internal drift diameter gauge used to check casing or tubing joints
RDMO rig-down move off
ream enlarge wellbore
ROH run in hole
ROP rate of penetration
RPM revolutions per minute
RU rig up
RWTP review within time period
SDFN shut down for night
SICP shut in casing pressure
SIP shut in pressure
slips device used to grip the drillstring in a non-damaging manner and suspend in rotary table
SLM slick line measurement
SPM suspended particulate matter/strokes per minute
SUB submersible
TAG throw away gun (perforating gun)
TBG tubing
TFNB trip for new bit
TIH trip in hole
TMD total measured depth
TOH trip out of hole
TOTCO electronic survey tool
TVD total vertical depth
UBHO universal bore hole orientation
VIS viscosity
WO well in work over
WOB weight on bit
WOC waiting on cement
WS well string