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Keywords: equation
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Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202087-MS
... Fourrier's dimensionless temperature function T D , in equation (5) , is used to approximate formation temperature change with time. If 10 -10 ≤ t D ≤ 1.5 (6) T D = ( 1.1281 t D ) x ( 1 − 0.3 t D ) And if t D > 1.5 (7) T D...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202152-MS
... to estimate the amount of dissolved gas in the drilling fluid. Application of fugacity equilibrium between the gas and liquid phases, in conjunction with the Peng-Robinson equation, gives the liquid phase mole fraction of methane. The analytical kick model uses the Hasan-Kabir two-phase flow modeling approach...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, May 25–27, 2021
Paper Number: SPE-202176-MS
... parameter drilling operation simulation exhibition rate of penetration drilling data specific interval wob drilling simulator case study drilling fluid management & disposal upstream oil & gas standpipe pressure simulator optimization process equation Introduction During...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 29–31, 2018
Paper Number: SPE-189304-MS
... fluids and materials Upstream Oil & Gas flow behavior index swab pressure equation power law fluid numerical model input parameter surge pressure gradient Introduction Tripping operations can be significantly costly due to long duration and possible hazards that may occur during...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 29–31, 2018
Paper Number: SPE-189367-MS
... engineering surface equation society of petroleum engineers Assuring wellbore integrity while drilling with casing: critical factors The technique of drilling a well with casing tubulars has become standard in the E&P sector; it has positioned itself as a NPT-reducing, environmentally sound...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 29–31, 2018
Paper Number: SPE-189331-MS
... losses in annulus, or acceleration of the mud column or changes in the mud rheology. Flow Types This value of Reynolds number can be obtained by different methods, and the most common one is the equation below: (5) R e = ρvD μ Abstract Abstract Pressure changes due...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 29–31, 2018
Paper Number: SPE-189390-MS
... artificial neural network flow regime Elkatatny productivity Artificial Intelligence drilling operation IPR new technique fracture equation horizontal well correlation coefficient reservoir configuration well configuration society of petroleum engineers permeability Introduction...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 29–31, 2018
Paper Number: SPE-189395-MS
... pressure. Adding to the excess dimensioning is the standard procedure of applying a safety factor to this prediction. Early 2000, a joint API/ISO Work Group 2b (WG2b) under the Steering Committee 5 (SC5) for tubular goods reviewed casing and tubing performance property equations. ISO/TR 10400:2007...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 26–28, 2016
Paper Number: SPE-178154-MS
... wellbore trajectory interruption drilling data acquisition drilling operation information drilling test velocity update Inertial Navigation System inclination equation platform position error attitude error algorithm entire drilling test simulation platform sensor wellbore profile...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 26–28, 2016
Paper Number: SPE-178160-MS
... the life time of equipment used to drill the well such as bit, motor, stabilizer, and drill collars. ( KOC 2015 ) The governing equations for the drill string in torsional motion are given as follows: (1) J ϕ ¨ + k T ( ϕ − ϕ t d ) + c v ϕ ˙ = − T O B...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 26–28, 2016
Paper Number: SPE-178153-MS
... for these types of energies in Bernoulli equation or we can use the general energy equation for these systems. The general energy equation for a steady flow system between two points, like that at the bit, is represented as [ 1 ]: (3) p 1 ρ 1 g + v 1 2 2 g + z 1 − h f...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference and Exhibition, January 26–28, 2016
Paper Number: SPE-178197-MS
... example wells in order to find out the importance of the stiff-string calculations. drillstring design Upstream Oil & Gas calculation pipe curvature Drag Modeling axial force torque stiff-string model equation trajectory deflection normal force stiffness assumption wellbore...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference & Exhibition, October 7–9, 2013
Paper Number: SPE-166713-MS
... would help operators better predict the pressures. In the present work, a free-fall algorithm is implemented to complement a three-dimensional (3D) displacement simulator. The displacement simulator solves momentum balances, continuity equations, and scalar convection-diffusion equations on top of a 3D...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference & Exhibition, October 7–9, 2013
Paper Number: SPE-166799-MS
... balanced-plug jobs on a deepwater Gulf of Mexico (GOM) well to predict the residual cement. The simulator solves momentum conservation equations for the velocity field, and a convective-diffusion equation for the concentration field. The deepwater GOM well had a work string consisting of a tapered string...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling Technology Conference & Exhibition, October 7–9, 2013
Paper Number: SPE-166801-MS
... loss drilling fluids and materials compressibility spe iadc 166801 equation detection conventional drilling influx Introduction During a drilling operation, a certain number of unexpected events, related to the flow of drilling fluid in the well, may happen rather quickly. Examples...
Proceedings Papers

Paper presented at the Middle East Drilling Technology Conference & Exhibition, October 26–28, 2009
Paper Number: SPE-125457-MS
... displacement drillstring design average net lateral displacement Simulation rotational speed drilling operation equation Upstream Oil & Gas drilling fluid net lateral displacement drilling system RPM vibration Introduction The current increase in the oil demands pushes the oil and gas...
Proceedings Papers

Paper presented at the Middle East Drilling Technology Conference & Exhibition, October 26–28, 2009
Paper Number: SPE-125697-MS
... software numerical computation software drill string mud temperature Nusselt number equation production control drilling fluids and materials convection international association of drilling contractors temperature profile society of petroleum engineers thermal conductivity Introduction...
Proceedings Papers

Paper presented at the Middle East Drilling Technology Conference & Exhibition, October 26–28, 2009
Paper Number: SPE-125707-MS
... association of drilling contractors underbalanced drilling equation Introduction In the recent years, underbalanced drilling technique has been highly promoted because of its robustic benefits to the oil and gas industries. The light fluids used in underbalanced drilling are usually air, gas; foam...
Proceedings Papers

Paper presented at the Middle East Drilling Technology Conference & Exhibition, October 26–28, 2009
Paper Number: SPE-125992-MS
... and materials drag reduction correlation different concentration drilling fluid chemistry drilling fluid selection and formulation drilling fluid formulation friction factor pressure loss estimation drilling operation concentration experiment PHPA flow experiment reynolds number equation...
Proceedings Papers

Paper presented at the SPE/IADC Middle East Drilling and Technology Conference, October 22–24, 2007
Paper Number: SPE-106935-MS
..., the program uses the newly developed generic algorithm for solving the Lubinski's BHA equations directly. The strengths of the new algorithm are accuracy and computation efficiency, as compared to the conventional finite-element based BHA programs. In addition, the program is designed to run fast...

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