Production prediction for fracture-vug carbonate reservoirs using electric imaging logging data

XIE Fang; ZHANG Chengsen; LIU Ruilin; XIAO Chengwen

doi:10.11698/PED.2018.02.19

Petroleum Exploration and Development >

2018 , Vol. 45 >Issue 2: 349 - 356

DOI: https://doi.org/10.11698/PED.2018.02.19

ACADEMIC DISCUSSION

Production prediction for fracture-vug carbonate reservoirs using electric imaging logging data

XIE Fang ,
ZHANG Chengsen ,
LIU Ruilin ,
XIAO Chengwen

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1. Geophysics and Oil Institute, Yangtze University, Wuhan 430100, China;
2. Research Institute of Exploration and Development, Tarim Oilfield Company, PetroChina, Korla 841000, China

Received date: 2017-06-27

Revised date: 2018-02-09

Online published: 2017-12-11

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Abstract

Considering the fluid flow non-darcy characteristics in fracture-vug carbonate reservoirs, a new multi-scale conduit flow model production prediction method for fracture-vug carbonate reservoirs was presented using image segmentation technique of electric imaging logging data. Firstly, based on Hagen-Poiseuille’s law of incompressible fluid flow and the different cross-sectional areas in single fractures and vugs in carbonate reservoirs, a multi-scale conduit flow model for fracture-vug carbonate reservoir was established, and a multi-scale conduit radial fluid flow equation was deduced. Then, conduit flow production index was introduced. The conduit flow production index was calculated using fracture-vug area extracted from the result of electrical image segmentation. Finally, production prediction of fracture-vug carbonate reservoir was realized by using electric imaging logging data. The method has been applied to Ordovician fracture-vug carbonate reservoirs in the Tabei area, and the predicted results are in good agreement with the oil testing data.

Key words： Tarim Basin; Ordovician; carbonate; fracture-vug carbonate reservoir; electric imaging logging; conduit flow model; production index; production prediction

Cite this article

XIE Fang , ZHANG Chengsen , LIU Ruilin , XIAO Chengwen . Production prediction for fracture-vug carbonate reservoirs using electric imaging logging data[J]. Petroleum Exploration and Development, 2018 , 45(2) : 349 -356 . DOI: 10.11698/PED.2018.02.19

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