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The Approach of CT-Dragged Hydrajet Perforating and Annular-Delivery Sand Fracturing Applies in Horizontal WellsNormal access

Authors: L. Yuxi, Y. Xianggang, Z. Guoliang, Y. Long, L. Chengyu, L. Peng, L. Minghuis, Z. Shanjun, X. Hong, L. Liguo, L. Xianlong, C. Yunping, L. Yuebao, Y. Shifa, M. Jibao, Z. Tingting, L. Wei and W. Xinyou
Event name: IPTC 2013: International Petroleum Technology Conference
Session: DRILLING AND COMPLETIONS
Publication date: 26 March 2013
Organisations: EAGE
Language: English
Info: Extended abstract, PDF ( 381.7Kb )
Price: € 20

Summary:
Multi stage fracturing of horizontal wells is quickly creating the same ‘step change’ as when vertical wells first went horizontal (Rob Hari, 2010). Following the implementation of multistage fractured horizontal well, the operation scale enhances unceasingly. The new technique need to be complied with some characteristics, such as high fluid delivery capacity, large fluid amount per well and uninterrupted multi-stage execution. But small open area and big friction drag of tubing or CT become the vital constraint in increasing displacement. This paper will show the new approach of CT-dragged hydrajet perforating and annular-delivery sand fracturing applying in horizontal wells, and discuss technical measures for estimating and optimizing some construction parameters in two stages of the approach, finally describe two targeted operations.


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