海鷗牌水泥-大連水泥集團有限公司

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海鷗牌A級油井水泥

2021-01-29

A－Class Oil Well Cement

項目 Project	國家標準 GB/T10238—2015	本廠實際 Actual level
38℃常壓抗壓強度(Mpa) Compression strength of 38℃ normal pressure	8h≥1.7	>3.5
	24h≥12.4	>15.0
比表面積(m²/kg) Fineness Specific Surface area	≥280	≥330
Mgo(%)	≤6.0	≤5.0
燒失量(%) （Loss on ignition）	≤3.0	≤1.8
SO₃(%)	≤3.5	≤2.8
不溶物(%) Non-dissolution substance	≤0.75	≤0.60
15—30min 稠度(BC) 15—30min thickness (BC)	≤30	≤20
稠化時間（分鐘） Thickening time(min)	≥90	≥100
特點	稠化時間適中，強度高，可泵性好。
適用范圍	主要用于2000米內油、汽井固井工程。

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