... in cases where the intermediate tangent section is either small or vanishes and rigorous mathematical conditions under which solutions are both possible and are guaranteed to converge have not been published. An implicit expression has now been determined that enables all the roots to be identified...

... the vector space is projected to lower dimensions, like "casing" and "CSG" or "RD" and "Rig Down". As seen in Figure 3 , clusters form from words of similar meaning. In Figure 2 , in the ‘Multi-Word Expression’ column, at row 494 we have a singular term ‘safety_meeting’ as opposed to the two terms...

... stress function coefficient boundary condition coefficient expression asf coefficient nonuniform loading hoop stress fourier expansion coefficient tangential displacement loading shear stress equation cement sheath mechanical response resistance Introduction Casing strings...

... and the maximum displacement at the AOT. Then, a parametric study using 1D dynamic simulations is carried out to examine the validity of the obtained analytical expressions. By assuming a harmonic solution and that the axial displacement decreases from the maximum displacement at AOT to zero within the influence...

... calculation failure rate drilling operation strength well reliability casing and cementing modification factor barrier engineering integrity probability society of petroleum engineers reduction Drilling operation expression well integrity well condition casing design Engineering design load...

... resolution coefficient manufacturing tolerance master calibration calliper reading wall thickness centred ellipse expansion completion installation and operations axis pipe eccentricity expression ellipse Calliper approximation tolerance ovality calliper data spe iadc-173143-m...

... & Gas boundary condition lommel function international association of drilling contractors expression drilling operation vibration period stability specification hypergeometric function drillpipe inclination equation Introduction Derrick management plays a major role in operational...

... drilling operation expression spe iadc 163535 pipe potential energy displacement boundary condition assembly pipe stand Lagrange multiplier Drilling Equipment nonuniform pipe stand deflection safety factor general pipe stand model point load equation SPE/IADC 163535 The Stability...

... pressure loss drilling fluid property drilling fluid formulation drilling fluid density resistance drilling fluid selection and formulation expression fluid temperature profile thermal resistance mpd cbhp operation fluid density equation drilling operation annular space calculation heat...

... displacement compression expression placement ciccola standoff calculation correction Introduction Casing centralizers are one of the simplest yet most beneficial mechanical aids used in primary cementing. They are designed to position casing more centrally in the hole, thus reducing running...

... cylindrical current elements (dy) from the wave guide surface to infinity. Yo is strictly real. Expansion of the term Yo gives an expression in terms of RT. Where RT is the resistivity of the formation. Consequently the linear attenuation may be expressed in the form K/ RT where K is a constant dependent...