The offshore x block is a new exploration and development block, which is belongs to Shahejie Formation.In order to improve the development efficiency, batch drilling is applied. The horizontal well gravel packing + electric pump lifting completion process is adopted for unified completion. After the new wells are put into operation in batches, the problem of rapid rise of water ratio in varying degrees occurs in a short time. The production time, oil production and water cut of 8 oil wells in block X are counted. Draw the rising curve of water ratio. The dimensionless cumulative oil production is used to normalize the production data. Combined with geological data and production data, the internal and external factors affecting the rise of water ration of horizontal wells in block X are analyzed. It is considered that reservoir heterogeneity, edge and bottom water, toe following effect of horizontal well, length of horizontal well, water avoidance height, production system are the main reasons affecting the rise of water ratio of horizontal well in the initial stage of block x. At the same time, the situation of block x is summarized and suggestions are made in order to provide reference for the development scheme of similar blocks.
| Published in | Science Discovery (Volume 10, Issue 3) |
| DOI | 10.11648/j.sd.20221003.18 |
| Page(s) | 132-137 |
| Creative Commons |
This is an Open Access article, distributed under the terms of the Creative Commons Attribution 4.0 International License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium or format, provided the original work is properly cited. |
| Copyright |
Copyright © The Author(s), 2022. Published by Science Publishing Group |
X Block, Water Ratio, Outflow Analysis, Dimensionless Oil Recovery
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APA Style
Du Weigang, Liu Xiaoqiang, Zhang Mi, Qian Xurui, Guan Liyong. (2022). Analysis on Causes of Water Production from Horizontal Wells in the Early Stage of Development in Offshore X Block. Science Discovery, 10(3), 132-137. https://doi.org/10.11648/j.sd.20221003.18
ACS Style
Du Weigang; Liu Xiaoqiang; Zhang Mi; Qian Xurui; Guan Liyong. Analysis on Causes of Water Production from Horizontal Wells in the Early Stage of Development in Offshore X Block. Sci. Discov. 2022, 10(3), 132-137. doi: 10.11648/j.sd.20221003.18
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Download@article{10.11648/j.sd.20221003.18,
author = {Du Weigang and Liu Xiaoqiang and Zhang Mi and Qian Xurui and Guan Liyong},
title = {Analysis on Causes of Water Production from Horizontal Wells in the Early Stage of Development in Offshore X Block},
journal = {Science Discovery},
volume = {10},
number = {3},
pages = {132-137},
doi = {10.11648/j.sd.20221003.18},
url = {https://doi.org/10.11648/j.sd.20221003.18},
eprint = {https://article.sciencepublishinggroup.com/pdf/10.11648.j.sd.20221003.18},
abstract = {The offshore x block is a new exploration and development block, which is belongs to Shahejie Formation.In order to improve the development efficiency, batch drilling is applied. The horizontal well gravel packing + electric pump lifting completion process is adopted for unified completion. After the new wells are put into operation in batches, the problem of rapid rise of water ratio in varying degrees occurs in a short time. The production time, oil production and water cut of 8 oil wells in block X are counted. Draw the rising curve of water ratio. The dimensionless cumulative oil production is used to normalize the production data. Combined with geological data and production data, the internal and external factors affecting the rise of water ration of horizontal wells in block X are analyzed. It is considered that reservoir heterogeneity, edge and bottom water, toe following effect of horizontal well, length of horizontal well, water avoidance height, production system are the main reasons affecting the rise of water ratio of horizontal well in the initial stage of block x. At the same time, the situation of block x is summarized and suggestions are made in order to provide reference for the development scheme of similar blocks.},
year = {2022}
}
TY - JOUR T1 - Analysis on Causes of Water Production from Horizontal Wells in the Early Stage of Development in Offshore X Block AU - Du Weigang AU - Liu Xiaoqiang AU - Zhang Mi AU - Qian Xurui AU - Guan Liyong Y1 - 2022/06/01 PY - 2022 N1 - https://doi.org/10.11648/j.sd.20221003.18 DO - 10.11648/j.sd.20221003.18 T2 - Science Discovery JF - Science Discovery JO - Science Discovery SP - 132 EP - 137 PB - Science Publishing Group SN - 2331-0650 UR - https://doi.org/10.11648/j.sd.20221003.18 AB - The offshore x block is a new exploration and development block, which is belongs to Shahejie Formation.In order to improve the development efficiency, batch drilling is applied. The horizontal well gravel packing + electric pump lifting completion process is adopted for unified completion. After the new wells are put into operation in batches, the problem of rapid rise of water ratio in varying degrees occurs in a short time. The production time, oil production and water cut of 8 oil wells in block X are counted. Draw the rising curve of water ratio. The dimensionless cumulative oil production is used to normalize the production data. Combined with geological data and production data, the internal and external factors affecting the rise of water ration of horizontal wells in block X are analyzed. It is considered that reservoir heterogeneity, edge and bottom water, toe following effect of horizontal well, length of horizontal well, water avoidance height, production system are the main reasons affecting the rise of water ratio of horizontal well in the initial stage of block x. At the same time, the situation of block x is summarized and suggestions are made in order to provide reference for the development scheme of similar blocks. VL - 10 IS - 3 ER -
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