This list of abbreviations was used in constructing the
names of elements and attributes in WITSML v1.3.1.0
| WITSML Abbreviations | ||
| Abbreviation | Term | |
| abandon | abandonment | |
| acc | accumulator | |
| accel | acceleration | |
| act | actual | |
| AFE | authorization for expenditure | |
| amt | amount | |
| anch | anchor | |
| ann | annular | |
| API | American Petroleum Institute | |
| asg | average specific gravity | |
| assy | assembly | |
| av | average | |
| azi | azimuth | |
| backgnd | background | |
| bear | bearing | |
| bha | bottom hole assembly | |
| BHCT | bottom hole circulating temperature | |
| bhd | behind | |
| BHST | bottom hole static temperature | |
| bop | blow out preventer | |
| bot | bottom | |
| ca | calcium | |
| calc | Calcimetry | |
| calc | calculated | |
| cap | capacity | |
| casc | cascade | |
| cat | category | |
| cbl | cement bond log | |
| cec | cation exchange capacity | |
| cet | cement evaluation tool | |
| chk | choke | |
| chrom | chromatograph | |
| circ | circulate | |
| circ | circulating | |
| circ | circulation | |
| class | classification | |
| cmt | cement | |
| co2 | Carbon Dioxide | |
| comp | component | |
| compr | compressive | |
| con | connection | |
| conc | concetration | |
| cond | condition | |
| config | configuration | |
| cons | consistency | |
| const | constant | |
| conv | conventional | |
| coord | coordinate | |
| cor | correction | |
| cor | corrected | |
| cov | covariance | |
| csg | casing | |
| ct | coiled tubing | |
| ctg | cutting | |
| cTim | cumulative time | |
| cyl | cylinders | |
| damp | dampener | |
| decl | declination | |
| dens | density | |
| desc | description | |
| dh | downhole | |
| dia | diameter | |
| dir | directional | |
| disp | displacement | |
| dist | distance | |
| distr | distribution | |
| div | division | |
| dls | dogleg severity | |
| dn | down | |
| drlstr | drillstring | |
| DST | Drill Stem Test | |
| dTim | date and time | |
| dtm | datum | |
| DTS | Distributed Temperature Survey | |
| DVTool | Diverter tool | |
| dxc | drilling exponent calculated | |
| E | east | |
| ecd | effective circulating density | |
| eff | efficiency | |
| elect | electric | |
| emw | equivalent mud weight | |
| engr | engineer | |
| ent | entered | |
| epent | neo-Pentane | |
| equip | equipment | |
| eth | ethane | |
| eTim | elapsed time | |
| ew | east-west | |
| fact | factor | |
| fatig | fatigue | |
| fet | formation exposure time | |
| flor | fluorescence | |
| for | force | |
| form | formation | |
| fric | friction | |
| geo | geoid | |
| govt | government | |
| grav | gravity | |
| gtf | gravity toolface | |
| guide | guideline | |
| h2s | Hrdrogen Sulfide | |
| hi | high | |
| hkld | hookload | |
| hr | hour | |
| hse | Health, Safety and Environmental | |
| ht | height | |
| Hthp | high temperature (and) high pressure | |
| hyd | hydraulics | |
| IADC | International Association of Drilling Contractors | |
| ibut | iso-Butane | |
| id | inner diameter | |
| ihex | iso-Hexane | |
| in | inside | |
| inc | incident | |
| incl | inclination | |
| init | initial | |
| inj | injector | |
| insp | inspection | |
| int | integrator | |
| ipent | iso-Pentane | |
| KCl | Consistency index (Power Law and HB) | |
| KCl | Consistency index (Power Law and HB) | |
| lap | overlap | |
| lcm | lost circulation material | |
| ld | load | |
| len | length | |
| LH | left-handed | |
| lith | lithology | |
| lot | leak off test | |
| Ltlp | low temperature (and) low pressure | |
| maasp | maximum allowable shut-in pressure | |
| mag | magnetic | |
| mag | magnetism | |
| mag | magnetometer | |
| man | manifold | |
| mbt | methylene blue titration | |
| md | measured depth | |
| meas | measured | |
| mech | mechanical | |
| meth | methane | |
| min | minute | |
| mn | minimum | |
| mnem | mnemonic | |
| moor | mooring | |
| MSL | Mean Sea Level | |
| mtf | magnetic toolface angle | |
| mwd | measurement while drilling | |
| mx | maximum | |
| N | north | |
| n | Power Law index (Power Law and HB) | |
| NAD | North American Datum | |
| nat | natural | |
| nbut | nor-Butane | |
| nhex | neo-Hexane | |
| npent | nor-Pentane | |
| ns | north-south | |
| num | number | |
| obj | object | |
| obj | objective | |
| od | outer diameter | |
| op | operations | |
| op | operating | |
| op | operations | |
| orig | origin | |
| OTDR | Optical Time Domain Reflectometry | |
| pa | plugged and abandoned | |
| param | parameter | |
| pc | percent | |
| PDC | polycrystalline diamond compact | |
| perf | perforated | |
| perm | permanent | |
| perpen | perpendicular | |
| pf | Methyl orange alkalinity of filtrate | |
| PG | pressure gradient | |
| pm | Phenolpthalein alkalinity of mud | |
| pmp | pump | |
| PO | Purchase Order | |
| pob | personnel on board | |
| poly | polymer | |
| POSC | Petrotechnical Open Standards Consortium | |
| pow | power | |
| precip | precipitation | |
| pres | pressure | |
| prog | program | |
| proj | projection | |
| prop | propane | |
| pv | plastic viscosity | |
| qty | quantity | |
| qual | quality | |
| ream | reamed | |
| ream | reaming | |
| rec | recovered | |
| recip | reciprocation | |
| ref | reference | |
| ref | reference | |
| reg | regulatory | |
| rqd | required | |
| rheom | rheometer | |
| RKB | Rotary Kelly Bushing | |
| rop | rate of penetration | |
| rot | rotary | |
| rot | rotating | |
| rot | rotation | |
| rpm | revolutions per minute | |
| rpt | report | |
| RTTS | Retrievable, designed for testing, treating, and squeezing | |
| scr | slow circulation rates | |
| sec | second | |
| sect | section | |
| sep | separating | |
| srvc | services | |
| srvc | service | |
| slid | slide | |
| slid | sliding | |
| sol | solid | |
| spm | stroke rate per minute | |
| spud | spudded | |
| stab | stability | |
| std | standard | |
| std | standpipe | |
| stk | stack | |
| stn | station | |
| str | string | |
| stren | strength | |
| strat | stratigraphic | |
| sum | summary | |
| supp | support | |
| surf | surface | |
| swc | side wall core | |
| sys | system | |
| targ | target | |
| tbg | tubing | |
| TD | Total Depth | |
| tel | telephone | |
| temp | temperature | |
| tens | tensile | |
| tens | tensioners | |
| thick | thickness | |
| Tim | time | |
| toc | top of cement | |
| tol | tolerance | |
| tot | total | |
| tq | torque | |
| traj | trajectory | |
| tran | transverse | |
| TT | Torque Transmission | |
| tvd | true vertical depth | |
| uid | unique identifier | |
| umb | umbilical | |
| uncert | uncertainty | |
| uom | unit of measure | |
| var | variable | |
| vdl | variable deck load | |
| vel | velocity | |
| ver | version | |
| vert | vertical | |
| vis | viscometer | |
| vis | viscosity | |
| vol | volume | |
| warn | warning | |
| wb | wellbore | |
| wid | width | |
| witsml | Wellsite Information Transfer Standard Markup Language | |
| wob | weight on bit | |
| woc | waiting on cement | |
| wt | weight | |
| yp | Yield point | |