Feb. 18, 2019


Description

Summary

This practical course will provide attendees with a working knowledge of Pressure Volume Temperature (PVT) and Equation of State (EOS) theory and their applications, following a path from field sampling to the lab and on to the examination of common practices and analyses used in classical and simulated reservoir engineering.

Learning Objectives

  • Understand the field separation process and sampling procedures 
  • Identify fluid types and their phase behavior. 
  • Select methods of sampling at the well site location. 
  • Learn how to read PVT lab reports for DLE, CCE, CVD. 
  • Construct black oil PVT tables for volumetrics and simulation models. 
  • Explain why and how the Equation of State (EOS) was developed. 

 Capture

Course Outline

1. Review of basic volumetric properties

2. Sampling of multi-stage fluid separation in the field

3. PVT fluid sample validation and recombination in the lab

a. Sampling recommendations

b. Lab validation for sample equilibrium

c. Recombination of fluid samples

4. PVT lab experiments

a. Constant Composition Expansion (CCE or CME)

b. Constant Volume Depletion (CVD)

i. Difference between condensate yield and gas liquids

ii. Heating values of gas liquids

c. Differential Liberation Expansion (DLE)

i. Lab measurements

ii. Multi-separator tests

iii. Correcting lab results to surface separation conditions

5. Black oil PVT correlations

a. Determining volumetrics without the need for an equation of state

b. Limitations in its application

6. Fundamental concepts of Equation of State (EOS)

a. Principles of PVT and EOS for:

i. Ideal gases

ii. Real gases

b. Single and multi-component diagrams

i. Phase diagram (pressure vs temperature)

ii. Pressure-Volume diagram (pressure vs specific volume)

c. The five reservoir fluid types

i. How to identify

ii. The importance of understanding the difference

d. What can be achieved with EOS

e. The progression of EOS development and its importance

i. van der Waals

ii. Redlich Kwong

iii. Soave Redlich Kwong (SRK)

iv. Ping Robinson (PR)

v. Katz Firoozabadi and Prausnitz

vi. Peneloux et al

f. The fundamentals of tuning an EOS to the lab data

g. The three QC tests for a valid EOS


Featured Speakers

Speaker Ronald L. Lang, P.E.

Ronald (Ron) Lang has over 40 years of experience in all aspects of reservoir engineering including classical and simulation applications. He is actively involved as a consultant in domestic and international studies requiring application of PVT equation of state (EOS) principles. He participates in association with geosciences teams in field …

Ronald (Ron) Lang has over 40 years of experience in all aspects of reservoir engineering including classical and simulation applications. He is actively involved as a consultant in domestic and international studies requiring application of PVT equation of state (EOS) principles. He participates in association with geosciences teams in field development strategies including primary, secondary, and enhanced oil recovery (EOR) projects.


Mr. Lang received a B.Sc. degree in Petroleum Engineering in 1974 from Texas Tech University. His career began with Amoco Production Company in Houston and transitioned to consulting firms engaged in exploration and development; acquisition and divestment transaction advisory; and petroleum engineering technical evaluations. He is a licensed professional engineer in the state of Texas.


As an experienced simulation engineer, Mr. Lang learned the importance of correctly applying PVT (EOS) to properly characterize reservoir fluids and accurately predict fluid behaviour and its ultimate impact on reservoir performance. He has studied EOS under the guidance of leading experts in this field in the oil and gas industry. In the development of conventional and unconventional oil and gas resources, it is crucial for engineers to understand the differences among the various classes of reservoir fluids. In particular, reserves and their value can be lost rapidly if engineers do not properly identify near-critical fluids, and their behaviour, such as in the volatile oils and retrograde gases.

Full Description



Organizer

Mike Redburn

281-754-8629         Direct


mredburn@newpark.com


Date and Time

Mon, Feb. 18, 2019

8:30 a.m. - 4 p.m.
(GMT-0500) US/Central

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Location

Newpark Drilling Fluids Office

21920 Merchants Way
Katy, Texas 77449