Development of a Semi-Analytical Type Curve of Transient Pressure Response in Complex Well-Reservoir Architectures
DOI:
https://doi.org/10.31699/IJCPE.2019.2.8Keywords:
Semi-Analytical, Pressure transient, multilateral wells.Abstract
The objective of the conventional well testing technique is to evaluate well- reservoir interaction through determining the flow capacity and well potential on a short-term basis by relying on the transient pressure response methodology. The well testing analysis is a major input to the reservoir simulation model to validate the near wellbore characteristics and update the variables that are normally function of time such as skin, permeability and productivity multipliers.
Well test analysis models are normally built on analytical approaches with fundamental physical of homogenous media with line source solution. Many developments in the last decade were made to increase the resolution of transient response derivation to meet the complexity of well and flow media.
Semi-analytical modeling for the pressure transient response in complex well architecture and complex reservoirs were adopted in this research. The semi analytical solution was based on coupling the boundary condition of source function to the well segment. Coupling well-reservoir on sliced based technique was used to re-produce homogenous isotropic media from several source functions of different properties. The approach can model different well geometries penetrated complex reservoirs. A computer package was prepared to model the pressure transient response of horizontal, dual-lateral, multi-lateral wells in complex anisotropic reservoirs, multilayered, compartmentalized, system of various boundary conditions such as: bottom support aquifers, edge supported, gas caps, interference of injection. The validity of the proposed model was successfully checked by using the commercial simulator.
Received on 01/10/2018
Accepted on 20/03/2019
Published on 30/06/2019
References
Barreto A., A. Peres and A. Pires, "Variable-Rate Solution to the Nonlinear Diffusivity Gas Equation by Use of Greens-Function Method," SPE Reservoir Evaluation & Engineering, vol. 18, no. 01, pp. 57 - 68, 2012, December 28.
Yang C. and K. J. John, "An Improved Boundary Element Method for Modeling Fluid Flow through Fractured Porous Medium," in SPE Reservoir Simulation Conference, Montgomery, Texas, USA, 20-22 February, 2017.
Al-Ajmi M., M. Ahmadi, E. Ozkan and H. Kazemi, "Numerical Inversion of Laplace Transforms in the Solution of Transient Flow Problems With Discontinuities," in SPE Annual Technical Conference and Exhibition, Denver, Colorado, USA, 21-24 September,2008.
Lu J., Cunha L. B. and Lu T., "New Solutions for Well Test Analysis of Horizontal Wells," in SPE International Thermal Operations and Heavy Oil Symposium and International Horizontal Well Technology Conference, Calgary, Alberta, Canada, 4-7 November,2002.
Archer R. and Yildiz T., "Transient Well Index for Numerical Well Test Analysis," in SPE Annual Technical Conference and Exhibition, New Orleans, Louisiana, 30 September-3 October,2001.
Archer R. and Horne R., "The Green Element Method for Numerical Well Test Analysis," in SPE Annual Technical Conference and Exhibition, Dallas, Texas, 1-4 October, 2000.
Aguilar C., Ozkan E., H. Kazemi, M. Al-Kobaisi and B. A. Ramirez, "Transient Behavior of Multilateral Wells in Numerical Models: A Hybrid Analytical-Numerical Approach," in SPE Middle East Oil and Gas Show and Conference, Manama, Bahrain, 11-14 March, 2007.
Dennis Denney (JPT Technology Editor), "Analytical/Numerical Hybrid Models for Horizontal-Well Transient Tests," Journal of Petroleum Technology, vol. 53, no. 07, pp. 58 - 59, 2001.
Ouyang L. and Aziz K. , "A Simplified Approach to Couple Wellbore Flow and Reservoir Inflow for Arbitrary Well Configurations," in SPE Annual Technical Conference and Exhibition, New Orleans, Louisiana, 27-30 September,1998.
Kabir H. and Gerardo A. , "Accurate Inflow Profile Prediction of Horizontal Wells through Coupling of a Reservoir and a Wellbore Simulator," in SPE Reservoir Simulation Symposium, The Woodlands, Texas, 2-4 February, 2009.
Aziz K.(Stanford U.), "A General Single-Phase Wellbore/Reservoir Coupling Model for Multilateral Wells," SPE Reservoir Evaluation & Engineering, vol. 4, no. 04, pp. 327 - 335, 2001.
Yildiz T., "Multilateral Pressure-Transient Response," SPE Journal, vol. 8, no. 01, pp. 5-12, 2003.
Medeiros F., Ozkan E.and Kazemi H., "A Semianalytical, Pressure-Transient Model for Horizontal and Multilateral Wells in Composite, Layered, and Compartmentalized Reservoirs," in SPE Annual Technical Conference and Exhibition, San Antonio, Texas, USA, 24-27 September,2006.
King M., Wang Z. and Datta-Gupta A., "Asymptotic Solutions of the Diffusivity Equation and Their Applications," in SPE Europec featured at 78th EAGE Conference and Exhibition, Vienna, Austria, 2016, May 30.
M. Al-Jawad and M. Abdulrazaq, “Calculating Production Rate of each Branch of a Multilateral Well Using Multi-Segment Well Model: Field Example”, Eng. J., vol. 23, no. 11, pp. 70-80, Nov. 2017. https://iasj.net/iasj?func=fulltext&aId=132614
Ghanim M. Farman and Maha Raouf Abdulamir, “Formulation of New Equation to Estimate Productivity Index of Horizontal Wells” Iraqi Journal of Chemical and Petroleum Engineering , vol. 15, no. 2.
Downloads
Published
Issue
Section
License
This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
