References

Fundamentals  -  Liquid Loading

THEORETICAL INVESTIGATION OF THE DIAMETER EFFECT ON FLOODING IN COUNTERCURRENT FLOW
Hewitt - Diameter effect on flood 1996 !.pdf

Review and Selection of Velocity Tubing Strings for Efficient. Liquid Lifting in Stripper Gas Wells     https://www.netl.doe.gov/File%20Library/Research/Oil-Gas/2002ARI.pdf

OVERVIEW OF SOLUTIONS TO PREVENT LIQUID‐LOADING PROBLEMS IN GAS WELLS https://etd.lib.metu.edu.tr/upload/12611560/index.pdf

Options for Removing Accumulated Fluid and Improving Flow in Gas Wells   

DECISION MATRIX FOR LIQUID LOADING IN GAS WELLS FOR COST/BENEFIT ANALYSES OF LIFTING OPTIONS http://oaktrust.library.tamu.edu/bitstream/handle/1969.1/85952/Park.pdf

VERTICAL FLOW OF GAS AND LIQUID MIXTURES IN WELLS                    
VERTICAL FLOW OF GAS AND LIQUID MIXTURES IN WELLS Duns Ros.pdf

Effect of Tubing Diameter  -  Multi-Phase Flow

Annular Two-Phase Flow                 
Annular Two-Phase Flow G. B. WALLIS.pdf

Prediction of the interfacial shear-stress in vertical annular flow
https://www.researchgate.net/publication/245152797_Prediction_of_the_interfacial_shear-stress_in_vertical_annular_flow

The influence of liquid properties on flooding phenomena in small diameter tubes     http://philon.cheng.auth.gr/philon/site/sdocs/s38.pdf

The effect of pipe diameter on the structure of gas/liquid flow in vertical pipes
  T h e effect of pipe diameter on the flow in vertical pipes.PDF   

Small-Diameter Gas Lift Systems—A Viable Technical Solution for Transport of Fluids From Low-Pressure Reservoirs                             Small-Diameter Gas Lift - PETSOC-2004 - J.A. BECARIA.pdf

Airlift Pumps

Theory of Small Diameter Airlift Pumps by  J. Reinemann, 1990 http://www.uwex.edu/uwmril/pdf/RuralEnergyIssues/aquaculture/90_Air_Lift_Theory.pdf

A THEORETICAL AND EXPERIMENTAL STUDY OF AIRLIFT PUMPING AND AERATION WITH REFERENCE TO AQUACULTURAL APPLICATIONS     by J. Reinemann, PhD Thesis                                                 http://citeseerx.ist.psu.edu/viewdoc/download;jsessionid=A30627154B99D5244C3FADE05F7B3E0A?doi=10.1.1.460.8293&rep=rep1&type=pdf

​​ Effect of Step Geometry on the Performance of the Airlift Pump https://www.academia.edu/2867159/Effect_of_Step_Geometry_on_the_Performance_of_the_Airlift_Pump

STUDY OF TAPERED INTERNAL DIAMETER TUBING STRING WELL COMPLETION FOR ENHANCED PRODUCTION,  PhD Thesis https://repositories.tdl.org/ttu-ir/bitstream/handle/2346/8665/Affanaambomo_Bertrand_Thesis.pdf?sequence=1

Risers  -  Multi-Phase Flow

THE PREDICTION OF FLOWS IN PRODUCTION RISERS - TRUTH & MYTH?                                    http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.117.332&rep=rep1&type=pdf

The characteristics of gas/liquid flow in large risers at high pressure      
large vertical pipe RISER.pdf

ONSET AND SUBSEQUENT TRANSIENT PHENOMENA OF LIQUID LOADING IN GAS WELLS: EXPERIMENTAL INVESTIGATION USING A LARGE SCALE FLOW LOOP, PhD Thesis                                                                                                                   http://oaktrust.library.tamu.edu/bitstream/handle/1969.1/ETD-TAMU-2012-08-11655/WALTRICH-DISSERTATION.pdf?sequence=2

Characterizing gas-lift instabilities         
http://www.diva-portal.org/smash/get/diva2:123385/FULLTEXT01.pdf

Feasibility study on the reduction of hydrostatic pressure in a deep water riser using a gas-lift method, PhD Thesis
PhD 24 Hydrostatic pressure - DEEPWATER RISER.pdf

 Condensate & Shale Gas Wells  -  Flow Optimization

Optimization of Liquid-Rich Shale Wells, MS Thesis        Norwegian University of Science and Technology, 2013                     http://www.diva-portal.org/smash/get/diva2:677961/FULLTEXT01.pdf 

FLOW BEHAVIOR OF GAS-CONDENSATE WELLS, PhD Thesis    
https://pangea.stanford.edu/ERE/pdf/pereports/PhD/Shi09.pdf

A case study to optimum selection of deliquification method for gas condensate well design: South Pars gas field      http://www.sciencedirect.com/science/article/pii/S2090447916000216

WELL TESTING IN GAS-CONDENSATE RESERVOIRS                    
https://pangea.stanford.edu/ERE/pdf/pereports/MS/Lal03.pdf

 Miscellaneous

Numerical simulation of air–water two–phase flow in vertical pipe using k-ε model   www.sciencepubco.com/index.php/ijet/article/download/3965/1549

Analysis of Droplet Deposition in a Vertical Air-Water Dispersed Flow   http://www.daaam.info/Downloads/Pdfs/proceedings/proceedings_2014/013.pdf

INTERFACIAL STRUCTURES IN UPWARD HUGE WAVE          
annular flow UPWARD HUGE WAVE.pdf