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Well Engineering Glossary

# a b c d e f g h i j k l m n o p q r s t u v w x y z
Completion Drilling Drilling SS Drilling/Completion Workover

Workover

a

  1. Abnormal Pressure

  2. American Petroleum Institute (API)

  3. Annular Pressure Loss (APL)

  4. API RP

  5. API Std.

  6. Atmospheric Pressure

  7. Autoshear

  8. AWBT

b

  1. Backpressure Valve (BPV)

  2. Balance/Underbalance/ Overbalance

  3. Ballooning (Tubular)

  4. Barrier

  5. Barrier Element (Well Barrier Element-WBE)

  6. Barrier Envelope (Well Barrier)

  7. Barrier Philosophy

  8. Barrier policy

  9. BBL or BBLS

  10. Bit Balling

  11. Blow Through

  12. Blowout

  13. Blowout Preventer (BOP)

  14. BOPE

  15. Bottomhole Assembly (BHA)

  16. Bottomhole Pressure (BHP)

  17. Bottoms-Up

  18. BPM

  19. Bridging Document

  20. Bubble Point Pressure

  21. Buoyancy

c

  1. Carbon Dioxide (CO2)

  2. Cased Hole

  3. Choke

  4. Choke Exercise

  5. Choke Line Friction (CLF)

  6. Choke Pressure

  7. Christmas Tree

  8. Closing Ratio

  9. Compressibility

  10. Compressible Fluid

  11. Constant

  12. Control Fluid

  13. Control Pod

  14. Control station/panel

  15. Cuttings

  16. CWOR

d

  1. Dart Valve

  2. Dead well

  3. Deadman

  4. Deadman System

  5. Dedicated Accumulator System

  6. Displacement

  7. Diverter

  8. DP

  9. Driller’s Method (DM)

  10. Drilling Break

  11. Drilling Fluids

  12. Drills (Pit, Trip, Strip, Choke, Abandon, Diverter)

  13. Dynamic Kill

e

  1. EDP

  2. Emergency Closure

  3. Emergency Disconnect System (EDS)

  4. Emergency Shut Down (ESD)

  5. EOT

  6. Equivalent Circulating Density (ECD)

  7. Equivalent Mud Weight (EMW)

  8. ESD

  9. ESP

f

  1. Final Circulating Pressure (FCP)

  2. Flow Check

  3. Fluid Barrier

  4. Formation Fluid Pressure (Pore Pressure)

  5. Formation Integrity Test (FIT)

  6. FP

  7. Fracking

  8. Fracture Pressure and Fracture Gradient

  9. FST

  10. Full Opening Safety Valve (FOSV)

  11. Function Test

g

  1. Gas Migration

  2. Gas-Cut Mud

  3. Geological Seal

h

  1. Hang-Off

  2. HCR (HCV)

  3. Heaving Shale

  4. HPHT

  5. HPM

  6. HPU

  7. Hydrate

  8. Hydraulic Workover Unit (HWO)

  9. Hydrogen Sulfide (H2S)

  10. Hydrostatic Pressure

i

  1. ID

  2. Independent barrier

  3. Initial Circulating Pressure (ICP)

  4. Inside Blowout Preventer (IBOP)

  5. IRS

  6. IWOCS

j

  1. JSA

k

  1. Kelly Drilling System

  2. Kick

  3. Kick Intensity

  4. Kick Tolerance

  5. Kill Log

  6. Kill Weight Mud (KWM)

  7. KLF

  8. KOP

l

  1. Lag Time

  2. LCM

  3. LDHI

  4. LDIS

  5. Leak-off pressure (LOP)

  6. Live Well

  7. LMRP

  8. LRP

  9. Lube and Bleed

m

  1. MACP

  2. Maximum Allowable Annular Surface Pressure (MAASP)

  3. Maximum Allowable Mud Weight (MAMW)

  4. Maximum Allowable Working Pressure (MAWP)

  5. Maximum Anticipated Surface Pressure (MASP)

  6. Maximum Anticipated Wellhead Pressure (MAWHP)

  7. MD

  8. Mechanical Barrier

  9. MGS

  10. Minimum Operating Pressure

  11. MOC

  12. Mud Balance

  13. MW

n

  1. N2

  2. Necking

  3. Negative Test

  4. Non-Aqueous Fluid (NAF)

  5. Non-shearable

  6. Normal Pressure

  7. NRV

o

  1. OEM

  2. Oil-Based Mud (OBM)

  3. OIM

  4. OMW

  5. Open Hole

  6. Operating Pressure

  7. Overburden

p

  1. Packer

  2. PBR

  3. PFB

  4. PI

  5. Pill(s)

  6. Pipe Light/Pipe Heavy

  7. Pit Volume Totalizer (PVT)

  8. POD

  9. POOH

  10. Porosity

  11. Positive Test

  12. PP

  13. PPG

  14. Pressure Control Equipment (PCE)

  15. Pressure Control Equipment (PCE) Safety Margin

  16. Pressure Gradient (GFB)

  17. Pressure Test

  18. Primary Barrier

  19. Primary Well Control

  20. PSI

r

  1. Rate of Penetration (ROP)

  2. Rated Working Pressure (RWP)

  3. Remotely Operated Vehicle (ROV)

  4. Reservoir

  5. Riser Gas

  6. Riser Margins

  7. Risk Management

  8. RKB

  9. RLWI

  10. Rock Matrix

  11. RPM

s

  1. Safety Margin (Drilling)

  2. Safety Margin (Intervention, PCE)

  3. Safety Rams

  4. Sandstone

  5. SBM

  6. SCSSV

  7. Secondary Barrier

  8. Secondary Well Control

  9. SF

  10. Shale

  11. Shearing Ratio

  12. Shut-In Casing Pressure or Shut in Choke Pressure (SICP)

  13. Shut-In Tubing Pressure (SITP)

  14. SID

  15. SIKLP

  16. SIMOPS

  17. Slow Circulation Rate (SCR)

  18. Slug

  19. Snubbing

  20. Snubbing Unit

  21. Solidified Chemical Barrier

  22. Solids Control Equipment

  23. Solubility

  24. Spacer Spool

  25. SPM

  26. SPR

  27. SSTT

  28. SSV

  29. Startup/Shutdown

  30. STK or STKs

  31. Stop Work Authority

  32. Strand (API Spec 9A)

  33. Stripping

  34. Surface Pressure

  35. Surge Pressure

  36. Swab Pressure

t

  1. THRT

  2. Trapped Pressure and Trapped Gas

  3. Traveling Valve

  4. Treater

  5. Tree

  6. Tree-saver Tool

  7. Tri-axial

  8. Trip

  9. Trip Gas

  10. Trip Margin

  11. Triple

  12. Triplex

  13. Tripping-in

  14. Truck-mounted Rig

  15. Tubing

  16. Tubing Displacement

  17. Tubing Elevators

  18. Tubing Head

  19. Tubing Job

  20. Tubing Pump

  21. Tubing Slips

  22. Tubing Spider

  23. Tubing Tester

  24. Tubing Tongs

  25. Tubingless Completion

  26. Tubular

  27. Tubular Buckling

  28. Tubular Goods

  29. Tungsten Carbide

  30. Turbodrill

  31. Turbulent Flow

  32. Turnkey

  33. TVD

  34. Twist Off

u

  1. U-Tube

  2. Unsupported Length

v

  1. VME

  2. Volumetric Method

  3. VR Plug

w

  1. WCP

  2. Well Integrity

  3. Well Intervention

  4. Wellhead

  5. Wellsite Test Pressure

  6. Wireline

  7. Wireline Shear Seal Valve

  8. Wireline Valve (WCV)

  9. WOB

  10. Workover

  11. WP

  12. WSOG

  13. WST

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