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Presentations

  • SPE Workshop: Cementing in an Unconventional World, September 27 – 29, 2022

    Dr. Hu Dai from PVI gave a presentation called "Approaches of Predicting Complex Displacement Flow Inside Casing String" at the SPE Workshop: Cementing in an Unconventional World on September 27 - 29, 2022 at the San Luis Resort, Spa & Conference Center, Galveston, Texas, USA.

  • SPE Workshop: Cementing in an Unconventional World, October 6 – 8, 2021

    Dr. Hu Dai from Pegasus Vertex, Inc. gave a presentation called “Numerical approach of simulating complex displacement flow inside casing string” at the SPE Workshop: Cementing in an Unconventional World on October 6-8, 2021 at the San Luis Resort, Spa & Conference Center in Galveston, Texas, USA.

  • SPE / ICoTA Well Intervention Conference & Exhibition, March 23 - 24, 2021

    Lily Xiang and John McCormick, from Pegasus Vertex, Inc., alongside Kevin Hollerich, Matt Tourigny, and Aaron Berarducci, from Deep Well Services presented the following paper “Establishing Predictive Friction Factor Ranges in the Permian and Appalachia: Frac Plug Drill Outs” SPE 204410 MS, at the SPE / ICoTA Well Intervention Conference & Exhibition located at The Woodlands, Texas, USA on March 23-24, 2021.

  • SPE Workshop: Cementing in an Unconventional World - Numerical Simulation, September 23 - 25, 2020

    Hu Dai from PVI, gave a presentation regarding numerical simulation at the SPE Workshop: Cementing in an Unconventional World, located at the San Luis Resort, Spa & Conference Center, Galveston, Texas, USA.

  • T&D Challenges Running Casing in Extended Reach Wells, April 10, 2019

    Jinze Song, John McCormick and Gefei Liu from PVI, gave a presentation called "T&D Challenges Running Casing in Extended Reach Wells (#077)" at the AADE 2019 National Fluids Technical Conference and Exhibition on April 10, 2019, at the Hilton Denver City Center (Colorado G-J), Denver, Colorado.

  • API 5C3 Addendum and Casing Collapse Design, April 10, 2019

    Jiang Wu(Retired) and Gefei Liu from PVI, gave a presentation called "API 5C3 Addendum and Casing Collapse Design (#041)" at the AADE 2019 National Fluids Technical Conference and Exhibition on April 10, 2019, at the Hilton Denver City Center (Colorado G-J), Denver, Colorado.

  • CFD Analysis and Model Comparisons of Circulating Temperature During Cementing Job, April 9, 2019

    Yanfang Wang from Louisiana State University and Hu Dai from PVI, gave presentation called "CFD Analysis and Model Comparisons of Circulating Temperature During Cementing Job (#004)" at the AADE 2019 National Fluids Technical Conference and Exhibition on April 9, 2019, at the Hilton Denver City Center (Colorado E&F), Denver, Colorado.

  • Software Modeling for the Drilling Industry

    Software Modeling for the Drilling Industry| Presented by Gefei Liu, PVI

    Gefei Liu, president of PVI, gave a presentation at the extended luncheon of the International Association of Directional Drilling (IADD) monthly meeting in the Woodlands, Texas.
    The theme of the luncheon is software modeling for the drilling industry and the way the different players in the market tackle complex problems such as Torque and Drag, Well Planning, BHA, Hydraulics, Vibration mitigation, etc.

  • Parametric Analysis of Efficiency Using an Efficient Mud Displacement Modeling Technique, April 11, 2018

    Yanfang Wang from Louisiana State University and Hu Dai from PVI, gave a presentation called "Parametric Analysis of Efficiency Using an Efficient Mud Displacement Modeling Technique" at the AADE 2018 National Fluids Technical Conference and Exhibition, from 4:30pm to 5pm on Wednesday, April 11, 2018, at the Hilton Houston North (Room C), Houston, Texas.

  • An Overview of Annular Displacement Efficiency in Cementing Jobs Using an Efficient Numerical Model, April 11, 2018

    Hu Dai and Gefei Liu from PVI, gave a presentation called "An Overview of Annular Displacement Efficiency in Cementing Jobs Using an Efficient Numerical Model" at the AADE 2018 National Fluids Technical Conference and Exhibition, from 10:30am to 11am on Wednesday, April 11, 2018, at the Hilton Houston North (Room D), Houston, Texas.

  • Displacement Efficiency in Cement Job Demystified, October 24, 2017

    John McCormick from PVI, gave a presentation called "Displacement Efficiency Demystified" at the LAGCOE - Louisiana Gulf Coast Oil Exposition, at 2 PM on Tuesday, October 24, 2017, at the Cajundome & Convention Center, Lafayette, Louisiana.

  • Circulation Subs and Their Impact on Downhole Hydraulics, October 11, 2017

    SPE Logo

    John McCormick from PVI, will be giving a presentation (SPE-187151-MS) called "Circulation Subs and Their Impact on Downhole Hydraulics" at the 2017 SPE Annual Technical Conference and Exhibition, at 10:25 AM on Wednesday, October 11, 2017, at the Henry B. Gonzalez Convention Center, San Antonio, Texas.

  • Displacement Efficiency in Cement Job Demystified, November 4, 2015

    2015 CING Event

    Liguo Wang, PVI general manager in China, gave a presentation called "Displacement Efficiency in Cement Job Demystified" at the CING 2015 International Petroleum Summit at the Chengdu Century City New International Convention and Exhibition Center, Sichuan Province, China on November 14, 2015.

  • Displacement Efficiency in Cement Job Demystified, March 10, 2015

    SPE-Learn_n_Learn-Displacement_Efficiency_in_Cement_Job_Demystified

    Gefei Liu, president of PVI, gave a presentation called "Displacement Efficiency in Cement Job Demystified" at the SPE - Gulf Coast Section - Northside Study Group at the Greenspoint Club, Houston, Texas on March 10, 2015. More ...

  • Centralizers - Are we Using Too Many or Too Few,

    Centralizers - Are we Using Too Many or Too Few | Presented by Gefei Liu, PVI

    Gefei Liu, president of PVI, gave a presentation at the Lafayette Petroleum Club SPE Workshop on Thursday, October 30, 2014 in Lafayette, LA.
    This SPE workshop was organized by Evangeline SPE section. More than 60 people from industry and universities attended the lunch workshop.

  • Centralizers in Directional and Horizontal Wellbores - Are We Using Too Many or Too Few?,

    Centralizers in Directional and Horizontal Wellbores | Presented by Gefei Liu, PVI

    Gefei Liu, president of PVI, gave a presentation called, "Centralizers in Directional and Horizontal Wellbores - Are We Using Too Many or Too Few?" to Canadian Association of Drilling Engineers (CADE) at Westin Hotel in downtown Calgary on February 6, 2013.

  • Torque and Drag Modeling Advanced Techniques and Troubleshooting, October 8 - 10, 2012

    SPE Logo

    John McCormick from Halliburton and Gefei Liu from PVI, gave a presentation (SPE 156945) called "Torque and Drag Modeling Advanced Techniques and Troubleshooting" during the 2012 SPE Annual Technical Conference and Exhibition, at the Henry B. Gonzalez Convention Center, San Antonio, Texas, on October 8 - 10, 2012.

  • Centralizer Selection and Placement Optimization, June 21, 2012

    Centralizer Selection and Placement Optimization | 2012 SPE Presentation

    Lawrence Weber from Chevron and Gefei Liu from PVI gave a presentation (SPE 150345) called, "Centralizer Selection and Placement Optimization" at the 2012 SPE Deepwater Drilling Conference and Exhibition, at the Moody Gardens Hotel, Galveston, Texas, on June 21, 2012.

  • Impact of Cuttings Concentration on ECD During Drilling, April 10, 2012

    AADE Logo

    Yanghua (Lily) Xiang and Gefei Liu from PVI gave a presentation called, "Impact of Cuttings Concentration on ECD During Drilling" at the 2012 AADE Fluids Technical Conference and Exhibition, at the Hilton Houston North, Houston, Texas, on April 10, 2012.

  • Improving Casing Wear Prediction and Mitigation Using a Statistically Based Model, ePoster 151448, March 6, 2012

    SPE/IADC Logo

    ePoster by S.B. Mitchell from WWT International and Y.L. Xiang from PVI during the IADC/SPE Drilling Conference and Exhibition at Town and Country Resort & Convention Center, San Diego, California, March 6, 2012.

  • Casing Wear Prediction and Prevention, October 21, 2011

    CAPA Petroleum Logo

    Yanghua (Lily) Xiang and Gefei Liu from PVI gave a presentation entitled "Casing Wear Prediction and Prevention" during the 2011 CAPA PETROLEUM AND PETROCHEMICAL TECHNICAL SYMPOSIUM on Friday, October 21, 2011.

  • CT Reach Analysis, August 2011

    CT Reach Analysis | Presented by Gefei Liu, PVI

    Gefei Liu, president of PVI, gave a lunch-n-learn presentation called, "CT Reach Analysis" in Houston (ICoTA USA Chapter), August 9, 2011.
    More than 70 people pre-registered and attended this event.

  • Comparing the Results of a Full-Scale Buckling Test Program to Actual Well Data: A New Semi-Empirical Buckling Model and Methods of Reducing Buckling Effects, SPE Paper Number: 144535-PP, March 2011

    SPE Logo

    Authored by Sarah Mitchell and Dr. Norman Bruce Moore, WWT International Inc.; James Franks, Pioneer Natural Resources; Gefei Liu and Yanghua (Lily) Xiang, PVI.