DRILLING RIG MAST LIFT SYSTEMS AND METHODS
DRILLING RIG MAST LIFT SYSTEMS AND METHODS
- New search for: DONNALLY ROBERT BENJAMIN
- New search for: REN CHUNQIAO
- New search for: LIU XI LIN
- New search for: YU YAN
- New search for: YUE PENG
- New search for: WANG WEI
- New search for: DONNALLY ROBERT BENJAMIN
- New search for: REN CHUNQIAO
- New search for: LIU XI LIN
- New search for: YU YAN
- New search for: YUE PENG
- New search for: WANG WEI
Systems and methods for rig assembly and for erecting a mast of a rig and such systems with roller apparatus to facilitate movement of a mast section from a mover. In a first embodiment, the method includes erecting a rig mast section on a substructure, the substructure including a first substructure box spaced-apart from a second substructure box, the first substructure box comprising a first upper box above a first lower box and the second substructure box comprising a second upper box above a second lower box.
Document information
DRILLING RIG MAST LIFT SYSTEMS AND METHODS
SYSTEMES ET PROCEDES DE LEVAGE DE MAT D'APPAREIL DE FORAGE
2015-11-10
Patent
Electronic Resource
English
| IPC: | E21B EARTH OR ROCK DRILLING , Erd- oder Gesteinsbohren / B66C Krane , CRANES / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last / E04G SCAFFOLDING , Baugerüste |