Pipeline Toolbox
Function Reference Manual
Early Public Release DD-00011-000

Pipeline Toolbox Function Reference Manual
DD-00011-000

Jan Adelsbach

October 29, 2024
Contents
1 About this Guide
1.1 Legal Information
1.2 Feedback and Contact
2 Overview
2.1 Introduction
3 Reference
3.1 Unit Conversions
3.1.1 bblh_galh - bbl/h  to gal/h
3.1.2 galh_bblh - gal/h  to bbl/h
3.1.3 bblh_m3h - bbl/h  to  3
m /h
3.1.4 m3h_bblh -   3
m  /h  to bbl/h
3.1.5 galh_m3h - gal/h  to  3
m /h
3.1.6 m3h_galh -   3
m  /h  to gal/h
3.1.7 psi_kpa - psi  to kPa
3.1.8 kpa_psi - kPa  to psi
3.1.9 psimi_kpakm - psi/mi  to kPa/km
3.1.10 kpakm_psimi - kPa/km  to psi/mi
3.1.11 lbh_kgh - lb/h  to kg/h
3.1.12 kgh_lbh - kg/h  to lb/h
3.1.13 ft3lb_m3kg -  3
ft/lb  to  3
m /kg
3.1.14 m3kg_ft3lb -   3
m  /kg  to  3
ft /lb
3.2 Darcy friction factor calculation
3.2.1 colebrook_white - Colebrook-White equation
3.2.2 cw_haaland - Haaland friction factor
3.2.3 cw_swamee_jain - Swamee-Jain friction factor
3.2.4 cw_serghides - Serghides friction factor
3.2.5 cw_goudar_sonnad1 - Goudar-Sonnad (2006) friction factor
3.2.6 cw_goudar_sonnad2 - Goudar-Sonnad (2011) friction factor
3.2.7 cw_brkic - Brkic friction factor
3.2.8 cw_brkic_praks - Brkic-Praks friction factor
3.2.9 cw_praks_brkic - Praks-Brkic friction factor
3.2.10 cw_niazkar - Niazkar friction factor
3.2.11 cw_moody - Moody friction factor
3.2.12 cw_wood - Wood friction factor
3.2.13 cw_eck - Eck friction factor
3.2.14 cw_churchill1 - Churchill (1973) friction factor
3.2.15 cw_churchill2 - Churchill (1977) friction factor
3.2.16 cw_jain - Jain friction factor
3.2.17 cw_chen - Chen friction factor
3.2.18 cw_round - Round friction factor
3.2.19 cw_barr - Barr friction factor
3.2.20 cw_zigrang_sylvester1 - Zigrang-Sylvester friction factor
3.2.21 cw_zigrang_sylvester2 - Zigrang-Sylvester friction factor
3.2.22 cw_tsal - Tsal friction factor
3.2.23 cw_manadilli - Manadilli friction factor
3.2.24 cw_romeo_royo_monzon - Romeo-Royo-Monzon friction factor
3.2.25 cw_vatankhah_kouchakzadeh - Vatankhah-Kouchakzadeh friction factor
3.2.26 cw_buzzelli - Buzzelli friction factor
3.2.27 cw_cheng - Cheng friction factor
3.2.28 cw_avci_kargoz - Avci-Kargoz friction factor
3.2.29 cw_evangelides - Evangelides-Papaevangelou-Tzimopoulos friction factor
3.2.30 cw_fang - Fang friction factor
3.2.31 cw_alashkar - Alashkar friction factor
3.2.32 cw_bellos - Bellos-Nalbantis-Tsakiris friction factor
3.2.33 cw_tkachenko1 - Tkachenko-Mileikovskyi friction factor
3.2.34 cw_tkachenko2 - Tkachenko-Mileikovskyi friction factor
3.2.35 cw_blasius - Blasius friction factor
3.2.36 cw_koo - Koo friction factor
3.2.37 cw_nikuradse_reichert - Nikuradse-Reichert friction factor
3.3 Helical Pipes
3.3.1 dean_number - Dean number De
3.3.2 germano_number - Germano number Gn
3.3.3 helical_white - White helical friction factor
3.3.4 helical_hart - Hart helical friction factor
3.3.5 helical_gnielinski - Gnielinski helical friction factor
3.3.6 helical_mishra_gupta - Mishra-Gupta friction factor
3.3.7 helical_mori_nakayama - Mori-Nakayama friction factor
3.3.8 helical_srinivasan - Srinivasan friction factor
3.4 Compressebility
3.4.1 hall_yarborough - Hall-Yarborough equation of state
3.4.2 dranchuk_purvis_robinson - Dranchuk-Purvis-Robinson equation of state
3.4.3 dranchuck_abou_kassem - Dranchuk & Abou-Kassem equation of state
3.4.4 beggs_brill - Beggs-Brill equation of state
3.4.5 papay - Papay correlation
3.4.6 cnga - United States Natural Gas Association of California (CNGA) formula
3.5 Pressure Drop
3.5.1 hazen_williams_p - Hazen-Williams pressure drop P
3.5.2 hazen_williams_q - Hazen-Williams flow rate Q
3.5.3 hazen_williams_c - Hazen-Williams roughness factor C
3.5.4 darcy_weisbach_p - Darcy-Weisbach pressure drop for P
3.5.5 darcy_weisbach_q - Darcy-Weisbach volume flow Q
3.6 Oil Pipe Pressure Drop
3.6.1 aude_p - Aude pressure drop for P
3.6.2 aude_q - Aude volume flow Q
3.6.3 shellmit_p - Shell-MIT pressure drop for P
3.6.4 shellmit_q - Shell-MIT volume flow Q
3.6.5 miller_p - Miller pressure drop for P
3.6.6 miller_q - Miller volume flow Q
3.7 Steam Pipe Pressure Drop
3.7.1 unwin_p - Unwin Formula ∆P
3.7.2 unwin_w - Unwin Formula W
3.7.3 babcock_p - Babcock Formula ∆P
3.7.4 babcock_w - Babcock Formula W
3.7.5 fritzche_p - Fritzche Formula ∆P
3.7.6 fritzche_w - Fritzche Formula W
3.8 Compressible Flow
3.8.1 panhandle_a_q - Panhandle A for flow Q
3.8.2 panhandle_b_q - Panhandle B for flow Q
3.8.3 weymouth_q - Weymouth for flow Q
3.8.4 spitzglass_q - Spitzglass for flow Q
3.8.5 oliphant_q - Oliphant for flow Q
3.8.6 igt_q - IGT for flow Q
3.8.7 muller_q - Muller for flow Q
3.8.8 fritzsche_q - Fritzsche for flow Q
3.9 Miscellaneous
3.9.1 average_pressure - Average pressure Pavg
3.9.2 reynolds_number - Reynolds Number Re

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