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G－Class Oil Well Cement
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項目
Project
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國家標準
GB/T10238－2015
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本廠實際
Actual level
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38℃常壓抗壓強度(MPa)
Compression
strength of
38℃normal pressure
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8h≥2.1
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≥4.5
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60℃常壓抗壓強度(Mpa)
Compression
strength of
60℃ normal pressure
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8h≥10.3
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≥14.5
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MgO(%)
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≤6.0
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≤5.0
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C3A(%)
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≤3.0
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≤3.0
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C3S(%)
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48---65
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50---65
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SO3(%)
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≤3.0
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≤2.5
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燒失量(%)Loss on ignition
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≤3.0
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≤2.0
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不溶物(%)
Non-dissolution substance
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≤0.75
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≤0.60
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游離液 (%)
Free
fluid
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≤5.9
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≤5.0
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15---30min 稠度(BC)
15---30min
thickness (BC)
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≤30
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≤25
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稠化時間(分鐘)
Thickening
time (min)
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90---120
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95---115
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特點
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稠化時間適中，強度高，可泵性好。
|
|
適用范圍
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主要用于2000米內油、汽井固井工程。
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