Exploration and Practice of Volume Fracturing Technology for Metamorphic Buried Hill
Applied Engineering
Volume 3, Issue 2, December 2019, Pages: 114-118
Received: Jul. 26, 2019; Accepted: Aug. 26, 2019; Published: Sep. 11, 2019
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Authors
Zhang Ziming, Drilling and Production Research Institute in Liaohe Oilfield, Panjin City, China
Li Wankai, Tianshi Group Energy Co., Ltd. Panjin City, China
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Abstract
The metamorphic rock buried hill have a large amount of reserves. Because its low permeability in the matrix, most wells drilled in the field have to be fractured before production. It has large thickness of reservoirs, massive hydraulic fracturing is difficult, the cost is high. In this paper, successful cases of volume fracturing technology applied to metamorphic buried hills were introduced. The results prove its feasibility by theoretical calculation and numerical simulation, etc. Clustering perforation mode, low viscosity and low friction fracturing fluids were used in combination. With high rate of fracturing fluids, low proppant concentration, the technology could realize maximum communication among the natural fractures, greatly improving the overall permeability of the reservoirs, and realizing the three dimensional treatment to the reservoirs. Down hole micro seismic fracture monitoring results indicate that the induced fracture volume increased by 28.8% compared with that in conventional fracturing. In addition, average single well production increased by over 50% after fracturing with this technology compared with that by conventional fracturing of vertical wells from the same block. Since 2013, in addition, average single well production increased by over 50% after fracturing with this technology compared with that by conventional fracturing of vertical wells from the same block.
Keywords
Metamorphic Rock, Volume Fracturing Technology, Natural Fracture, Fracture Monitoring
To cite this article
Zhang Ziming, Li Wankai, Exploration and Practice of Volume Fracturing Technology for Metamorphic Buried Hill, Applied Engineering. Vol. 3, No. 2, 2019, pp. 114-118. doi: 10.11648/j.ae.20190302.16
Copyright
Copyright © 2019 Authors retain the copyright of this article.
This article is an open access article distributed under the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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