发明名称 |
IMPROVED COUPLING FOR A CEMENT HEAD |
摘要 |
Disclosed is an improved coupling for cement heads. One exemplary cement head includes a first module comprising a first end, a first outer surface, and a plurality of first protrusions extending radially outward from the first outer surface, each of the plurality of first protrusions comprising a first profile in which (i) a first engagement surface faces axially away from the first end and (ii) a first support surface forms a first oblique angle relative to an axis; and a bridge configured to engage the plurality of first protrusions. |
申请公布号 |
SG11201510582V(A) |
申请公布日期 |
2016.01.28 |
申请号 |
SG11201510582V |
申请日期 |
2013.08.12 |
申请人 |
HALLIBURTON ENERGY SERVICES, INC. |
发明人 |
BEISEL, JOE, A.;ROGOZINSKI, NICOLAS |
分类号 |
E21B33/13;E21B17/02;E21B17/042 |
主分类号 |
E21B33/13 |
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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