A METHOD TO PREDICT THE PRODUCTION INDEX OF THERMAL RECOVERY

doi:10.3863/j.issn.1674-5086.2010.02.019

西南石油大学学报(自然科学版) ›› 2010, Vol. 32 ›› Issue (2): 97-100.DOI: 10.3863/j.issn.1674-5086.2010.02.019

• 石油与天然气工程 • Previous Articles Next Articles

A METHOD TO PREDICT THE PRODUCTION INDEX OF THERMAL RECOVERY

CHEN Chang-chun¹DOU Hong-en¹YU Jun²

1.Research Institute of Petroleum Exploration and Development，CNPC，Haidian Beijing 100083，China；2.Research Institute of Petroleum Exploration and Development，Liaohe Oilfield Company，CNPC，Panjin Liaoning 124010，China

Received:1900-01-01 Revised:1900-01-01 Online:2010-04-20 Published:2010-04-20

Abstract

Abstract:

Through studying the producing data of thermal recovery heavy oil reservoir by puff and huff，a new dual logarithm relationship of injection and production rate is presented in this paper，that is，between the logarithm of accumulation of oil/liquid production rate and the logarithm of accumulation of steam injection rate，there is good linear relationship.Compared with other two existing kinds of relationship，this model has higher goodness of fit and is easier to use.Moreover，in this paper，an S-shaped curve to predict the cumulative steam injection is used.By combining the S-shaped cumulative steam curve with the above mentioned injection production performance，a new method is put forward to forecast the producing performance，such as oil and water production，water cut and gas-oil ratio.By this method，some production parameters，such as annual oil/liquid production rate，two blocks in Liaohe Oilfield are forecasted.The result shows that the new method is applicable and accurate to forecast performance parameter of oilfield developed with puff and huff and other steam injection methods.

Key words: heavy oil, puff and huff, feature of injection and production, production index, prediction

CLC Number:

TE345

CHEN Chang-chun DOU Hong-en YU Jun . A METHOD TO PREDICT THE PRODUCTION INDEX OF THERMAL RECOVERY[J]. 西南石油大学学报(自然科学版), 2010, 32(2): 97-100.

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A METHOD TO PREDICT THE PRODUCTION INDEX OF THERMAL RECOVERY

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