Shale gas downhole rock stratum hydraulic fracturing method and device thereof
The invention discloses a shale gas downhole rock stratum hydraulic fracturing method and device thereof. The method comprises the following steps that S1, first-time hydraulic fracturing drilling isconducted on a stratum, a plurality of oil and gas producing cracks are formed in the stratum, the st...
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| creator | BI JING ZENG PENG ZHANG KUNPENG YANG ZAIRONG WEI TAO QUAN DAGUO TENG MINGYANG YANG JINQIANG SHEN MINGXUAN DING DING WANG HUASU ZHENG KUN LI JIASHEN ZHAO KUI ZHAO YU WANG CHAOLIN |
| description | The invention discloses a shale gas downhole rock stratum hydraulic fracturing method and device thereof. The method comprises the following steps that S1, first-time hydraulic fracturing drilling isconducted on a stratum, a plurality of oil and gas producing cracks are formed in the stratum, the stratum with the first oil producing condition is formed, and oil and gas exploitation is started; S2, an oil shaft pre-monitoring system is established; and S3, the oil shaft pre-monitoring system is utilized to monitor the oil and gas yield in the stratum for pre-monitoring, the pressure, the oil and gas yield and the stratum temperature of the stratum with the first oil producing condition serve as indexes for pre-monitoring of the characteristics of an oil shaft, if the oil yield of the oil shaft is decreased and the oil well pressure is decreased, second-time hydraulic fracturing construction continues to be conducted on the stratum, and the stratum with the second oil producing condition is formed. According to |
| format | Patent |
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The method comprises the following steps that S1, first-time hydraulic fracturing drilling isconducted on a stratum, a plurality of oil and gas producing cracks are formed in the stratum, the stratum with the first oil producing condition is formed, and oil and gas exploitation is started; S2, an oil shaft pre-monitoring system is established; and S3, the oil shaft pre-monitoring system is utilized to monitor the oil and gas yield in the stratum for pre-monitoring, the pressure, the oil and gas yield and the stratum temperature of the stratum with the first oil producing condition serve as indexes for pre-monitoring of the characteristics of an oil shaft, if the oil yield of the oil shaft is decreased and the oil well pressure is decreased, second-time hydraulic fracturing construction continues to be conducted on the stratum, and the stratum with the second oil producing condition is formed. 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The method comprises the following steps that S1, first-time hydraulic fracturing drilling isconducted on a stratum, a plurality of oil and gas producing cracks are formed in the stratum, the stratum with the first oil producing condition is formed, and oil and gas exploitation is started; S2, an oil shaft pre-monitoring system is established; and S3, the oil shaft pre-monitoring system is utilized to monitor the oil and gas yield in the stratum for pre-monitoring, the pressure, the oil and gas yield and the stratum temperature of the stratum with the first oil producing condition serve as indexes for pre-monitoring of the characteristics of an oil shaft, if the oil yield of the oil shaft is decreased and the oil well pressure is decreased, second-time hydraulic fracturing construction continues to be conducted on the stratum, and the stratum with the second oil producing condition is formed. 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The method comprises the following steps that S1, first-time hydraulic fracturing drilling isconducted on a stratum, a plurality of oil and gas producing cracks are formed in the stratum, the stratum with the first oil producing condition is formed, and oil and gas exploitation is started; S2, an oil shaft pre-monitoring system is established; and S3, the oil shaft pre-monitoring system is utilized to monitor the oil and gas yield in the stratum for pre-monitoring, the pressure, the oil and gas yield and the stratum temperature of the stratum with the first oil producing condition serve as indexes for pre-monitoring of the characteristics of an oil shaft, if the oil yield of the oil shaft is decreased and the oil well pressure is decreased, second-time hydraulic fracturing construction continues to be conducted on the stratum, and the stratum with the second oil producing condition is formed. According to</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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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 | Shale gas downhole rock stratum hydraulic fracturing method and device thereof |
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