[1]張俊斌  張慶華  張譯  魏裕森  樓一珊  高斐.疏松砂巖油藏水平井防砂篩管優選和防砂精度優化[J].石油鉆采工藝,2018,40(6):811-817.[doi:10.13639/j.odpt.2018.06.022]
 ZHANG Junbin,ZHANG Qinghua,ZHANG Yi,et al.Selection and sand control precision optimization of sand control screen for horizontal wells in unconsolidated sandstone oil reservoirs[J].Oil Drilling & Production Technology,2018,40(6):811-817.[doi:10.13639/j.odpt.2018.06.022]
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疏松砂巖油藏水平井防砂篩管優選和防砂精度優化
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《石油鉆采工藝》[ISSN:1000-7393/CN:13-1072/TE]

卷:
40卷
期數:
2018年6期
頁碼:
811-817
欄目:
油氣開采
出版日期:
2018-11-20

文章信息/Info

Title:
Selection and sand control precision optimization of sand control screen for horizontal wells in unconsolidated sandstone oil reservoirs
文章編號:
1000 – 7393( 2018 )06 – 0811 – 07
作者:
張俊斌1  張慶華1  張譯1  魏裕森1  樓一珊2  高斐2
1. 中海油深圳分公司鉆完井部;2. 長江大學油氣資源與勘探技術教育部重點實驗室
Author(s):
ZHANG Junbin1 ZHANG Qinghua1 ZHANG Yi1 WEI Yusen1 LOU Yishan2 GAO Fei2
1. Drilling and Completion Department, CNOOC Shenzhen Company, Shenzhen 518067, Guangdong, China; 2. Key Laboratory of Exploration Technologies for Oil and Gas Resources, Ministry of Education, Yangtze University, Wuhan 430100, Hubei, China
關鍵詞:
疏松砂巖油藏水平井優質篩管防砂抗堵塞適應性
Keywords:
unconsolidated sandstone oil reservoir horizontal well high-quality screen sand control anti-blockage adaptability
分類號:
TE358+.1
DOI:
10.13639/j.odpt.2018.06.022
文獻標志碼:
B
摘要:
南海東部珠江口盆地疏松砂巖油藏埋藏淺,泥質含量高,易出砂。為優選適用于該油田水平井的防砂篩管,采用實尺寸篩管防砂物理模擬實驗裝置,結合該油田儲層特征(d50=250 μm,非均勻系數3.17,泥質12%)和實際工況,進行了不同類型防砂篩管的防砂物理模擬實驗,通過測定不同防砂精度(150、 200、250、300 μm)條件下的流量、壓降、油中含砂量、產出砂粒徑等參數,系統評價了改進型星孔復合篩管及其他3 種不同結構的金屬網布復合篩管防砂性能、抗堵塞性能和綜合性能。結果表明:金屬網布復合篩管Ⅱ(保護套+ 斜紋網+ 雙層密紋網+ 斜紋網+ 基管)和金屬網布復合篩管Ⅰ(保護套+ 斜紋網+ 三層密紋網+ 斜紋網+ 基管)防砂性能、抗堵塞性能以及綜合性能指標都較高,適合作為南海東部珠江口盆地疏松細~ 中砂巖油藏高含水期水平井防砂篩管,并推薦油田防砂精度為200~250 μm。該研究可為該油田進行防砂方案設計提供依據。
Abstract:
Unconsolidated sandstone oil reservoirs in the Pearl River Mouth Basin in the east of the South China Sea are characterized by shallow burial depth, high shale content and easy sand production. In order to select the sand control screen suitable for the horizontal wells in this oilfield, physical simulation experiments of sand control were carried out on different types of sand control screens by using the full-scale physical simulation experiment device of sand control screen, based on the reservoir characteristics (d50=250 μm, heterogeneity coefficient 3.17, and shale content 12%) and actual working conditions in this oilfield. After the flow rate, pressure drop, sand content of oil and particle size of produced sand at different sand control precisions (150, 200, 250 and 300 μm) were measured, the modified star-hole composite screen and three metal-mesh composite screens with different structures were evaluated systematically from the aspects of sand control property, anti-blocking capacity and overall performance. It is indicated that metal-mesh composite screen II (protective sleeve + square hole net + dual-layer dense net + square hole net + base tube) and metal-mesh composite screen I (protective sleeve + square hole net + three-layer dense net + square hole net + base tube) are better in the indicators of sand control property, anti-blocking capacity and overall performance, and they are suitable to act as the sand control screen of horizontal wells in fine-moderate unconsolidated sandstone oil reservoirs with high water cut in the Pearl River Mouth Basin in the east of the South China Sea. And it is recommended to set the sand control precision at 200-250 μm. The research results provide the basis for the design of sand control scheme of this oilfield.

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