| 垂直钻井工具用橡胶油囊的研制 |
| Development of Oil Bladder for Vertical Drilling Tools |
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| DOI： |
| 中文关键词: 垂直钻井工具 橡胶油囊 密封件 氟橡胶 |
| 英文关键词: vertical drilling tool oil bladder seal fluo rine rubber |
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| 中文摘要: |
| 介绍垂直钻升工具用橡胶油囊的研制。以氟橡胶为油囊主体材料，通过试验确定胶粘剂品种和金属嘴子与胶囊间的粘合工艺，设计金属嘴端、橡胶端和组合充气模具。成品油囊通过气密性和水压爆破试验，装入工具后进行地面试验，在3 MPa下保持15 min无漏油现象，增压至6 MPa油囊未破裂；井下试验证明，产品可在150 ℃/140 MPa的美孚ATF220和SCH524的液压油介质环境中连续工作200 h以上，完全满足垂直钻井工具的要求。 |
| 英文摘要: |
| The development of oil bladder used for vertical drilling tools was introduced. Fluorine rubber was used as main material. By using adhesion test，the adhesive type and adhesion process between metal spout and bladder body were determined. The molds for metal spout unit， bladder body and airing filling unit were well designed. The oil bladder passed gas tightness test and hydraulic blasting test. The sealing test was conducted for the vertical drilling tool under pressure of 3 MPa for 15 min and no leak was found. The bladder was good when the pressure was built up t0 6 MPa. In down hole drilling application with hydraulic oil Mobil ATF220 and SCH524，the bladder worked for more than 200 h under pressure of 140 MPa at 150 ℃ continually ， which met the requirements of the vertical
drilling tool. |
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