2021-01-29
G-Class Oil Well Cement
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				 項(xiàng)目 Project  | 
			
				 國家標(biāo)準(zhǔn) GB/T10238-2015  | 
			
				 本廠實(shí)際 Actual level  | 
		
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				 38℃常壓抗壓強(qiáng)度(MPa) Compression strength of 38℃normal pressure  | 
			
				 8h≥2.1  | 
			
				 ≥4.5  | 
		
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				 60℃常壓抗壓強(qiáng)度(Mpa) Compression strength of 60℃ normal pressure  | 
			
				 8h≥10.3  | 
			
				 ≥14.5  | 
		
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				 MgO(%)  | 
			
				 ≤6.0  | 
			
				 ≤5.0  | 
		
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				 C3A(%)  | 
			
				 ≤3.0  | 
			
				 ≤3.0  | 
		
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				 C3S(%)  | 
			
				 48---65  | 
			
				 50---65  | 
		
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				 SO3(%)  | 
			
				 ≤3.0  | 
			
				 ≤2.5  | 
		
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				 燒失量(%)Loss on ignition  | 
			
				 ≤3.0  | 
			
				 ≤2.0  | 
		
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					不溶物(%)  | 
			
				 ≤0.75  | 
			
				 ≤0.60  | 
		
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				 游離液 (%) Free fluid  | 
			
				 ≤5.9  | 
			
				 ≤5.0  | 
		
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				 15---30min 稠度(BC) 15---30min thickness (BC)  | 
			
				 ≤30  | 
			
				 ≤25  | 
		
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				 稠化時(shí)間(分鐘) Thickening time (min)  | 
			
				 90---120  | 
			
				 95---115  | 
		
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				 特點(diǎn)  | 
			
				 稠化時(shí)間適中,強(qiáng)度高,可泵性好。  | 
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				 適用范圍  | 
			
				 主要用于2000米內(nèi)油、汽井固井工程。  | 
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