Fracturing method for low-permeability oil and gas reservoir
The invention discloses a fracturing method for a low-permeability oil and gas reservoir, and belongs to the field of oil and gas development. The fracturing method comprises the steps that oil displacement slickwater carrying a first propping agent is injected into the target low-permeability oil a...
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| creator | JIA YUNPENG YAN YANG GOU XIAOTING ZHAO YUDONG TIAN FUCHUN FU DAQI YANG LIYONG SHI JIN GUO SHUZHAO LIU XUEWEI ZHAO TAO ZHANG SHENGCHUAN YIN SHUNLI |
| description | The invention discloses a fracturing method for a low-permeability oil and gas reservoir, and belongs to the field of oil and gas development. The fracturing method comprises the steps that oil displacement slickwater carrying a first propping agent is injected into the target low-permeability oil and gas reservoir for first fracturing construction; and after the first fracturing construction is completed, gel fracturing fluid carrying a second propping agent is continuously injected into the target low-permeability oil and gas reservoir for second fracturing construction, wherein the construction displacement of the first fracturing construction and the construction displacement of the second fracturing construction are both 10 m /min to 14 m /min, the total liquid amount of the oil displacement slickwater and the gel fracturing fluid is 5000 m to 15000 m , and the liquid amount of the oil displacement slickwater is 70%-90% of the total liquid amount. According to the method, the transformation effect and th |
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The fracturing method comprises the steps that oil displacement slickwater carrying a first propping agent is injected into the target low-permeability oil and gas reservoir for first fracturing construction; and after the first fracturing construction is completed, gel fracturing fluid carrying a second propping agent is continuously injected into the target low-permeability oil and gas reservoir for second fracturing construction, wherein the construction displacement of the first fracturing construction and the construction displacement of the second fracturing construction are both 10 m /min to 14 m /min, the total liquid amount of the oil displacement slickwater and the gel fracturing fluid is 5000 m to 15000 m , and the liquid amount of the oil displacement slickwater is 70%-90% of the total liquid amount. 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The fracturing method comprises the steps that oil displacement slickwater carrying a first propping agent is injected into the target low-permeability oil and gas reservoir for first fracturing construction; and after the first fracturing construction is completed, gel fracturing fluid carrying a second propping agent is continuously injected into the target low-permeability oil and gas reservoir for second fracturing construction, wherein the construction displacement of the first fracturing construction and the construction displacement of the second fracturing construction are both 10 m /min to 14 m /min, the total liquid amount of the oil displacement slickwater and the gel fracturing fluid is 5000 m to 15000 m , and the liquid amount of the oil displacement slickwater is 70%-90% of the total liquid amount. According to the method, the transformation effect and th</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY DYES EARTH DRILLING EARTH DRILLING, e.g. DEEP DRILLING FIXED CONSTRUCTIONS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MINING MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR ASLURRY OF MINERALS FROM WELLS PAINTS POLISHES |
| title | Fracturing method for low-permeability oil and gas reservoir |
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