Glossary of Drilling Report Abbreviations
The following letter abbreviations are commonly found in drilling reports.
• ABD, ABND Abandoned
• BFPH Barrels of fluid per hour
• BHA Bottomhole assembly: includes the bit, stabilizers, drill collars, and other tools used below the drillpipe
• BHP Bottomhole pressure; usually measured with a pressure bomb on a wireline
• BLD Bailed; refers to the practice of removing debris from the hole with a cylindrical container on a wireline
• BO Barrels of oil
• BOP Blowout preventer(s)
• BOPD Barrels of oil per day
• BPH Barrels per hour
• BPD,B/D Barrels per day
• BPV Backpressure valve; a valve that allows fluid to flow through it in only one direction and therefore will maintain pressure (backpressure) on the downstream side
• BU Bottoms up; when circulation has displaced the mud from the bottom of the hole to the surface
• BW Barrels of water
• BWPD Barrels of water per day
• BWPH Barrels of water per hour
• CBL Cement bond log; an acoustic device for determining the condition of the bond between cement and hole, and cement and casing.
• CFG Cubic feet of gas
• CFGPD Cubic feet of gas per day
• CHK Choke; a restriction in a flowline or system, usually referring to a production choke during a test or to the
• choke in the well control system
• CIRC Circulate
• CMT Cement
• CNL Compensated neutron log; a radioactivity log for measuring porosity
• COMP Completed
• CP Casing pressure; pressure on the annulus between tubing and casing: this is measured at the surface
• CRD Cored
• CSG Casing
• DC Drill collar
• DF Drill floor or derrick floor
• DIL Dual induction laterolog; an electrical log for measuring resistivity
• DP Drillpipe
• DRLG Drilling
• DST Drillstem test
• FDC Compensated formation density log; a log that uses radioactivity to measure porosity
• FP Flowing pressure; usually refers to flowing tubing pressure
• FTP Flowing tubing pressure; pressure measured at the Christmas tree, while the well is flowing
• GCM Gas cut mud; mud containing quantities of gas from subsurface formations
• GIH Go in hole or going in hole; usually relating to the drillstring, a casing string,or a wireline device that is being lowered into the hole
• GL Ground level
• GOR Gas-oil ratio; ratio of gas to oil production during a test (SCF/bbl or m3/m3)
• GR Gamma ray log; a radioactivity log indicating lithology
• HGR Hanger; a piece of equipment used for hanging casing or tubing at the surface
• IES Induction electrical survey log; an electrical log for measuring resistivity
• IP Initial production; usually describing an initial production test
• ISF Induction spherically focused log; an elec trical log for measuring resistivity
• JTS Joints; as in joints of drillpipe or tubing
• KB Kelly bushing
• KBE Kelly bushing elevation
• KO Kicked off; deviated
• KOP Kick-off point; the depth at which a directional hole is deviated from vertical
• L/D Lay down; as in "lay down drillpipe," mean ing that the equipment is placed horizontally on a pipe rack
• L/S Long string; relating to the longest of two or more strings of tubing in a well with a multiple completion; the longest string of casing
• LCM Lost circulation material; material added to the drilling mud to correct lost circulation by plugging off fractures in the rock
• LOC Location; wellsite
• LSE Lease; refers to the property on which the well is being drilled
• M/U Make up; to assemble parts to form a com plete unit; to screw together; to mix or blend
• MCF Thousand cubic feet of gas
• MIR Moving in rig
• MIRT Moving in rotary tools (see MIR)
• MOR Moving out rig
• MW Mud weight; the density of the drilling fluid, usually given in pounds per gallon
• N/D Nipple down; the reverse of nipple up (N/U)
• N/U Nipple up; to bolt together valves or fittings, as in "nipple up BOP stack"
• OCM Oil cut mud; mud containing quantities of oil from subsurface formations
• OH Openhole: interval of hole without casing
• P/U Pick up; as in "pick up drillpipe," meaning that the pipe is picked up and assembled from a horizontal position, rather than having been stacked vertically
• P&A Plug and abandon; to plug the well with cement and remove surface equipment
• PBTD Plug back total depth: the depth of a well after it has been drilled and then partially plugged back to a shallower depth
• PERF Perforate
• PKR Packer: the anchoring and sealing device that blocks off the annular space between tubing and casing
• PL Pipeline
• POOH Pull out of hole; retrieve drillstring, tubing string, or wireline equipment from the hole
• POP Putting on pump: installing a pumping unit on a well
• RDRT Rigging down rotary tools
• REC Recover: usually pertains to an item lost or left in the hole
• RFT Repeat formation tester; electric wireline device for taking samples of formation fluids and pressures from multiple points in the hole
• RIH Running in hole or ran in hole, see GlH
• RMG Reaming: enlarging a previously drilled hole
• RTTS Retrievable test treat squeeze packer: a retrievable packer designed for use in performing operations in the hole, but not usually left in the well as part of the permanent completion equipment
• R/U Rig up; assemble and prepare for action; relates to the drilling rig itself or any other equipment
• S/S Short string; relating to the shortest of two or more strings of tubing in a well with a multiple completion SD,SS Sandstone
• SDO Shut down waiting on orders: waiting for instructions from management before proceeding with any activity
• SG Show of gas: gas in mud or cuttings
• SI Shut in
• SIBHP Shut in bottomhole pressure: bottomhole pressure measured after the well has been shut in for a significant period of time, usually 24 to 48 hrs or more
• SICP Shut-in casing pressure: casing pressure measured when the well is shut in
• SIDPP Shut-in drillpipe pressure; drillpipe pressure measured at the surface with well shut in, usually referred to during kick-killing procedures
• SIP Shut-in pressure: any shut-in rather than flowing pressure
• SITP Shut-in tubing pressure
• SLM Steel line measurement; measured with a steel measuring tape
• SP Self potential log: an electrical log for indi cating lithology
• SPD Spudded; began drilling first part of hole, often with a temporary "spudding rig"
• SQ, SQU Squeeze: as in "cement squeeze," where casing is selectively perforated and cement pumped into the
• perforations
• STDS Stands: as in "stands of pipe," meaning two or three joint sections stacked in the derrick
• SUR, SURV Survey: usually refers to a magnetic survey done to
• determine position of hole relative to the surface location
• SW Saltwater
• SWBD Swabbed: refers to the suction of fluids into the well, purposefully or inadvertently
• SX Sacks; as in sacks of cement; one sack of cement produces about 1.2 ft3 (.034 m3) of cement when mixed with water
• TBG Tubing
• TD Total depth
• TIH Trip in hole: to lower into the hole, same as "go in hole"
• TOOH Trip out of hole: opposite of TIH
• TOF Top of fish: relating to the depth of the uppermost part of a section of pipe lost in the hole
• TP Tubing pressure
• VIS Viscosity: usually refers to mud viscosity and is reported inunits of "seconds"; obtained from a Marsh funnel test
• W/C Water cushion: water placed in drillpipe during a DST to lessen pressure differential between formation and drillpipe
• WC Wildcat: well drilled in totally unexplored territory
• WIH Went in hole; past form of GIH or TIH
• WL, WIL Wireline
• WLM Wireline measurement; as opposed to a tubing or drillpipe measurement of hole depth
• WO/O Waiting on orders: waiting for instructions from management
• WOC Waiting on cement: time spent waiting for cement to set
• WOW Waiting on weather: time spent waiting for weather conditions to permit operations to continue

2 all: Если что еще найдется, кому отправлять, чтобы приводили в божеское состояние? Или хомячить тихо в кубышку?