E - Fixed Constructions – 21 – B
Patent
E - Fixed Constructions
21
B
E21B 19/04 (2006.01)
Patent
CA 2658711
An apparatus for use in wellbore operations, the apparatus comprising a main body (52) and at least one ear (54) projecting from the main body (52), said ear (54) for receiving a link, characterised in that said ear (54) has an inner ear support (56) near to the main body (52) and an outer ear support (58) spaced further away from the main body (52).
L'invention concerne un appareil destiné à être utilisé dans des opérations de forage de puits, l'appareil comprenant un corps principal (52) et au moins une oreille (54) se projetant à partir du corps principal (52), ladite oreille (54) étant destinée à recevoir une liaison, et l'appareil étant caractérisé par le fait que ladite oreille (54) a un support d'oreille interne (56) près du corps principal (52) et un support d'oreille externe (58) placé encore plus loin du corps principal (52).
Lynch James Edward
Mcclung Guy Lamont III
Wells Lawrence E.
West Neil Edward
Mcfadden Fincham
National Oilwell Varco L.p.
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