公开(公告)号：US10731426B2

公开(公告)日：2020-08-04

申请号：US16006863

申请日：2018-06-13

Applicant: MHWIRTH AS

Inventor： Thor Arne S. Brandsvoll ,  Soeren Oeydna

IPC: E21B19/00 ,  E21B19/08 ,  E21B47/00 ,  E21B19/10

Abstract: A method of operating a drilling system includes suspending a tubular drill string from a travelling assembly into an opening on a drill floor, operating a sensor to measure and to provide a first signal, providing a second signal, and comparing the first signal with the second signal. The travelling assembly is a part of a hoisting system. The first signal represents an acceleration or a velocity of the tubular drill string in a direction into or a direction out of the opening. The second signal represents an operational parameter of the hoisting system. The operational parameter is indicative of a vertical speed or of a vertical acceleration of the travelling assembly.

公开(公告)号：US12031393B2

公开(公告)日：2024-07-09

申请号：US17785912

申请日：2020-12-17

Applicant: MHWIRTH AS

Inventor： Per Inge Roensberg ,  Roy Birkeland ,  Ellen Kolnes ,  Nicolai Nilsen ,  Jarle Ropstad ,  Bjarne Larsen ,  Soeren Oeydna ,  Lars Otto Sannes

IPC: E21B19/15 ,  B63B35/44 ,  E21B19/00 ,  E21B19/20

CPC classification number: E21B19/155 ,  B63B35/4413 ,  E21B19/006 ,  E21B19/15 ,  E21B19/20

Abstract: A drilling rig includes a drill floor with a well center opening, a derrick having a drilling machine which is suspended above the well center opening, a pipe supply area which is arranged adjacent to the well center opening on the drill floor, and a pipe handling machine. The pipe supply area has at least one pipe rack which horizontally stores pipe sections. The pipe handling machine moves at least one of the pipe sections between a horizontal storage position in the at least one pipe rack and a vertical position or a substantially vertical position above the well center opening.

公开(公告)号：US20180363392A1

公开(公告)日：2018-12-20

申请号：US16006863

申请日：2018-06-13

Applicant: MHWIRTH AS

Inventor： Thor Arne S. Brandsvoll ,  Soeren Oeydna

IPC: E21B19/08 ,  E21B19/00 ,  E21B19/10 ,  E21B47/00

Abstract: A method of operating a drilling system includes suspending a tubular drill string from a travelling assembly into an opening on a drill floor, operating a sensor to measure and to provide a first signal, providing a second signal, and comparing the first signal with the second signal. The travelling assembly is a part of a hoisting system. The first signal represents an acceleration or a velocity of the tubular drill string in a direction into or a direction out of the opening. The second signal represents an operational parameter of the hoisting system. The operational parameter is indicative of a vertical speed or of a vertical acceleration of the travelling assembly.