Equations: Drilling engineering
The equations of the “Drilling engineering” lessons with their conditions and units, and what each symbol means in this discipline.
This discipline has many equations, so its reference is split by subject: each subject page lists its equations with their conditions and units, and a table of symbols.
228 equations7 topics
The rig and the drilling process19 equations · 82 symbolsHow a well is drilled: the process and the people involved · Drilling time and cost · Drilling rig: power and hoisting systems · Rig circulating and rotary systemsDrill string and bits31 equations · 111 symbolsDrill string: pipe, tool joints, drill collars and heavy-weight drill pipe · Drill string design · Drill bits: types and design · Bit selection and dull grading · Bit performance and cost per metreFormation pressures and well control36 equations · 108 symbolsPore pressure and overburden pressure · Abnormal formation pressures: origin, prediction and recognition · Fracture gradient and leak-off testing · Well control: primary barrier and kick indicators · Well kill methods · Blowout prevention equipmentCasing and cementing34 equations · 135 symbolsCasing: purpose, types, properties and standards · Wellheads and running casing · Casing design · Oilwell cements and additives · Primary cementing · Remedial cementing, cement plugs and cement evaluationDrilling fluids and hydraulics63 equations · 175 symbolsDrilling fluids: functions and properties · Field testing of drilling fluids · Water-based muds and clay chemistry · Oil-based muds · Solids control in drilling fluids · Drilling fluid rheology and flow regimes · Circulating pressure losses · Bit hydraulics optimisationDirectional drilling and measurements40 equations · 115 symbolsDirectional wells: applications and profile · Deflection tools and downhole motors · Directional survey calculations · Survey instruments: magnetic, gyroscopic and inertial · Measurement while drillingOffshore and subsea drilling5 equations · 26 symbolsOffshore and subsea drilling