Complex water-based deep-water disposal fluid
The invention discloses a complex water-based deep-water disposal fluid and relates to the technical field of oil-gas exploration. The complex water-based deep-water disposal fluid is a non-inorganic salt weighted complex water-based deep-water disposal fluid system for reservoir protection in the f...
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| creator | FANG MANZONG WEI LONGGUI ZHANG JIAN XU FEI LI ZHONG DIAO HUAN BAO RONG ZHAO ZHICHAO LI YUPING MENG WENBO WANG ERJUN LI ZHUJUN YAN BANGCHUAN XIANG XINGJIN SHU FUCHANG WANG YINGHAO ZHANG CHONG |
| description | The invention discloses a complex water-based deep-water disposal fluid and relates to the technical field of oil-gas exploration. The complex water-based deep-water disposal fluid is a non-inorganic salt weighted complex water-based deep-water disposal fluid system for reservoir protection in the formation testing process in deep-water exploration well testing. The formula of the complex water-based deep-water disposal fluid mainly contains the following components in percentage by mass: 92.8-99.35% of complexing agent HWHL, 0.05-0.2% of deoxidant, 0.1-2.0% of bactericide and 0.5-5.0% of corrosion inhibitor. The complex water-based deep-water disposal fluid system has good rheological properties, water sensitivity resistance and water-locking resistance, high non-corrosibility, good compatibility with a preliminary working fluid, a non-reservoir interval disposal fluid and formation water, and also excellent reservoir protectiveness and self-back-displacement capability. In addition, the complex water-based deep-water disposal fluid also has an excellent effect in field application; the contradiction between gas hydrate inhibition and reservoir protection can be solved, the formation damage to the reservoir caused by the disposal fluid standing under the conditions of the temperature and the pressure of the reservoir for a long time can be greatly reduced, and the study gap of the deep-water disposal fluid can be filled. |
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The complex water-based deep-water disposal fluid is a non-inorganic salt weighted complex water-based deep-water disposal fluid system for reservoir protection in the formation testing process in deep-water exploration well testing. The formula of the complex water-based deep-water disposal fluid mainly contains the following components in percentage by mass: 92.8-99.35% of complexing agent HWHL, 0.05-0.2% of deoxidant, 0.1-2.0% of bactericide and 0.5-5.0% of corrosion inhibitor. The complex water-based deep-water disposal fluid system has good rheological properties, water sensitivity resistance and water-locking resistance, high non-corrosibility, good compatibility with a preliminary working fluid, a non-reservoir interval disposal fluid and formation water, and also excellent reservoir protectiveness and self-back-displacement capability. 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The complex water-based deep-water disposal fluid is a non-inorganic salt weighted complex water-based deep-water disposal fluid system for reservoir protection in the formation testing process in deep-water exploration well testing. The formula of the complex water-based deep-water disposal fluid mainly contains the following components in percentage by mass: 92.8-99.35% of complexing agent HWHL, 0.05-0.2% of deoxidant, 0.1-2.0% of bactericide and 0.5-5.0% of corrosion inhibitor. The complex water-based deep-water disposal fluid system has good rheological properties, water sensitivity resistance and water-locking resistance, high non-corrosibility, good compatibility with a preliminary working fluid, a non-reservoir interval disposal fluid and formation water, and also excellent reservoir protectiveness and self-back-displacement capability. 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The complex water-based deep-water disposal fluid is a non-inorganic salt weighted complex water-based deep-water disposal fluid system for reservoir protection in the formation testing process in deep-water exploration well testing. The formula of the complex water-based deep-water disposal fluid mainly contains the following components in percentage by mass: 92.8-99.35% of complexing agent HWHL, 0.05-0.2% of deoxidant, 0.1-2.0% of bactericide and 0.5-5.0% of corrosion inhibitor. The complex water-based deep-water disposal fluid system has good rheological properties, water sensitivity resistance and water-locking resistance, high non-corrosibility, good compatibility with a preliminary working fluid, a non-reservoir interval disposal fluid and formation water, and also excellent reservoir protectiveness and self-back-displacement capability. In addition, the complex water-based deep-water disposal fluid also has an excellent effect in field application; the contradiction between gas hydrate inhibition and reservoir protection can be solved, the formation damage to the reservoir caused by the disposal fluid standing under the conditions of the temperature and the pressure of the reservoir for a long time can be greatly reduced, and the study gap of the deep-water disposal fluid can be filled.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS DYES GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FORELSEWHERE METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS NATURAL RESINS PAINTS POLISHES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE |
| title | Complex water-based deep-water disposal fluid |
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