Correction of Well Logs in the Case of Severe Borehole Enlargement

Xinjiang Petroleum Geology ›› 2006, Vol. 27 ›› Issue (5): 559-561.

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Correction of Well Logs in the Case of Severe Borehole Enlargement

SUN Zhong-chun¹, GU Zhen-gang¹, LI Jun¹, YANG Bin²

1. Research Institute of Exploration and Development, Xinjiang Oilfield Company, PetroChina, Karamay, Xinjiang 834000, China;
2. State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Chengdu University of Technology, Chengdu, Sichuan 610059, China

Received:2006-03-08 Revised:2006-03-08 Online:2006-10-01 Published:2020-10-20

Abstract

Abstract: In order to improve the quality of synthetic seismic records, this paper presents two correction methods for logs correlation calculation and logs forward calibration using sonic-density logging suite. The sonic logging is applied to the correction of density logs in condition of less distortion of compensated sonic logs; the density logging is used to the correction of logs in the case of severe distortion of sonic and density logs. The results applied to the quality improvement of synthetic seismic records in Junggar basin indicate the obvious effects of these methods.

Key words: Junggar basin, synthetic seismic record, log correction

CLC Number:

P631.84

SUN Zhong-chun, GU Zhen-gang, LI Jun, YANG Bin. Correction of Well Logs in the Case of Severe Borehole Enlargement[J]. Xinjiang Petroleum Geology, 2006, 27(5): 559-561.

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Correction of Well Logs in the Case of Severe Borehole Enlargement

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