发明名称 |
EXTERNAL CASING PACKER AND METHOD OF PERFORMING CEMENTING JOB |
摘要 |
A packer that includes a mandrel (102), primary (108) and secondary (110) opening seats attached to an interior of the mandrel, a landing seat (112)attached to the interior of the mandrel, a packer element (126) attached to an exterior of the mandrel, and a closing seat (114) attached to the interior of the mandrel. The secondary opening seat (110) may be between the primary opening seat (108) and the landing seat (112), and the primary opening seat (108) may be between the closing seat (114) and the secondary opening seat (110). The primary opening seat (108) engages an opening plug (128) and moves from a first position covering an opening to a second position not covering the opening, and the secondary opening seat (110) engages the primary opening seat (108) and moves from a first position covering a port (124) to a second position not covering the port. |
申请公布号 |
WO2013134034(A3) |
申请公布日期 |
2014.07.24 |
申请号 |
WO2013US28204 |
申请日期 |
2013.02.28 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
HELMS, LONNIE;ACOSTA, FRANK;BUDLER, NICHOLAS, FREDERICK;KEY, JOHN |
分类号 |
E21B33/128;E21B33/14 |
主分类号 |
E21B33/128 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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