Drilling rig masts and methods of assembly and erecting masts
First Claim
1. A method for connection two parts of a mast of a drilling rig, the method comprisingconnecting a bottom mast section to a support, the bottom mast section having bottom connection apparatus,moving a second mast section adjacent the bottom mast section, the second mast section releasably connected to a vehicle and said moving done by moving said vehicle, the second mast section having second connection apparatus, andmoving the bottom mast section so that the bottom connection apparatus contacts the second connection apparatus and engages the second connection apparatus to secure the bottom mast section to the second mast section.
1 Assignment
0 Petitions
Accused Products
Abstract
Methods for connection parts of a mast of a drilling rig without using a crane or other lifting machine are disclosed. In certain aspects, these methods include moving parts of a mast to be assembled with trucks and positioning the parts with the trucks to facilitate their connection. This Abstract is provided to comply with the rules requiring an abstract which will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure and is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims, 37 C.F.R. 1.72(b).
114 Citations
23 Claims
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1. A method for connection two parts of a mast of a drilling rig, the method comprising
connecting a bottom mast section to a support, the bottom mast section having bottom connection apparatus, moving a second mast section adjacent the bottom mast section, the second mast section releasably connected to a vehicle and said moving done by moving said vehicle, the second mast section having second connection apparatus, and moving the bottom mast section so that the bottom connection apparatus contacts the second connection apparatus and engages the second connection apparatus to secure the bottom mast section to the second mast section.
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15. A mast system for rig operations, the mast system comprising
a support, a bottom mast section connected to the support, the bottom mast section having bottom connection apparatus, a second mast section adjacent and connectible to the bottom mast section, the second mast section releasably connected to a vehicle for moving the second mast section, the second mast section having second connection apparatus, and the bottom mast section movable on the support so that the bottom connection apparatus can contact the second connection apparatus and engage the second connection apparatus to secure the bottom mast section to the second mast section.
Specification