发明名称 |
DISPOSITIF DE SUSPENSION D'APPAREILS DE MESURE A L'INTERIEUR D'UN TRAINDE TIGES DE FORAGE |
摘要 |
A device for suspending a measuring instrument in a drilling assembly comprising: a drill-collar designed to receive the measuring instrument; at least one connecting member attached to the measuring instrument and provided with a shoulder; a number of suspension rings consisting of three sections integrated by vulcanization i.e., a first frame, a second frame having the same center line and an annular elastomeric body between said frame, said suspension rings bearing by one of their frames on said shoulder; a first permanent seat on the connecting member through which said rings are attached to the connecting member; a second permanent seat on the drill-collar bearing on the other frame of said suspension rings and an annular part supported between said seats and made of an elastomer having a greater rigidity than that of the elastomer used to make the suspension rings. |
申请公布号 |
BE755739(A1) |
申请公布日期 |
1971.02.15 |
申请号 |
BED755739 |
申请日期 |
1970.09.04 |
申请人 |
SOCIETE NATIONALE DES PETROLES D'AQUITAINE, TOUR AQUITAINE, 92- COURBEVOIE (FRANCE), |
发明人 |
C. QUICHAUD;J.-P. LE PEUVEDIC;J. TINCHON |
分类号 |
E21B47/013;E21B23/00;E21B47/00;E21B47/01;F16F3/087;F16F15/08;(IPC1-7):21B/ |
主分类号 |
E21B47/013 |
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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