Compact sectionalized drilling mast, power arrangement and support means therefor

Patent · Tue Dec 15 04:00:00 EST 1981

OSTI ID:5651349

Borg, P E; Eaton, J S; Limbert, D M

A sectionalized drilling mast, power arrangement and support means therefor includes base means to support the drilling mast means when reclined and when erect. Drawworks trailer ramp means are secured substantially at right angles to said base means; power source trailer ramp means secured to said drawworks trailer ramp means and extending parallel thereto; first trailer means on said drawworks trailer ramp means with drawworks support means pivotally connected thereto and drawworks means supported thereon; second trailer means on said power source trailer ramp means with power source support means pivotally connected thereto and power source means supported thereon; drilling mast means pivotally connected to the base beam means and extending therealong in vertical spaced relation thereto when in reclined position; setback tower means pivotally connected at one end to the mast and at the other end to the base beam means with a rotary table secured to the setback tower adjacent the mast and extending longitudinally therefrom. Means are provided to elevate the drawworks support means and drawworks, power source support means and power means thereon and the drilling mast respectively from a reclined to an upright position whereupon the setback tower means and rotary table connected therewith is simultaneously elevated and swung into position relative to the erected drilling mast.

• Assignee: PRE Corp
• Patent Number(s): US 4305237
• OSTI ID: 5651349
• Country of Publication: United States
• Language: English

Related Subjects

02 PETROLEUM
020300* -- Petroleum-- Drilling & Production
03 NATURAL GAS
030300 -- Natural Gas-- Drilling
Production
& Processing
DESIGN
DRILLING RIGS
MECHANICAL STRUCTURES
NATURAL GAS WELLS
OIL WELLS
SUPPORTS
TRANSPORT
WELLS