Portable well head work platform
OwnerRobert P. Fanguyinventor
Life of this patent
Estimating the term…
Abstract
A portable work platform or basket adaptable to wellhead valve flanges at a point above the blowout preventors thereby providing 360-degree personnel access to the wellhead during work-over and snubbing operations. The platform includes handrails, kick plates and an assortment of pipe flange adaptors for coupling to a variety of wellhead configurations. The platform further includes a pivotal arm for attaching a retractable personnel tether reel or a pulley block for a wench cable.
Claims16
A portable wellhead personnel work platform for adaptor connection to a wellhead valve assembly comprising:
- a) a base structure forming a grid extending outwardly from a central mounting location;
- b) a grating attached to said base structure;
- c) a railing attached perpendicularly to and surrounding said base structure, at least a portion of said railing having kick plates attached thereto;
- d) a flange mounting assembly centrally attached to said base structure;
- and
- e) an adaptor means for removably fastening said flange-mounting assembly to a wellhead valve assembly.
A portable personnel work platform for attachment to a wellhead valve assembly comprising:
- a) a base frame structure having floor grating, perimeter hand railing extending perpendicular to said base frame structure and a means for lifting said base frame structure;
- b) an adaptor means for attachment to said wellhead valve assembly;
- and
- c) a mounting plate assembly centrally attached to said base frame structure, said mounting plate assembly comprising a fixed plate and a removable split flange plate for further attachment to said adaptor means.
A method for servicing an oil and gas well comprising the steps of:
- a) providing a portable personnel work platform attachable directly to a well head valve assembly at a point above the blowout preventors and shut-in valves comprising:
- i) a base frame structure having floor grating, perimeter hand railing extending perpendicular to said base frame structure, and a means for lifting said base frame structure;
- ii) an adaptor means for attachment to said wellhead valve assembly;
- and
- iii) a mounting plate assembly centrally attached to said base frame structure, said mounting plate assembly comprising a fixed plate and a removable split flange plate for further attachment to said adaptor means;
- and
- b) attaching said adaptor means to a flange located atop said wellhead valve assembly;
- c) lifting and positioning said portable personnel work platform centrally around said adaptor means;
- and
- d) securing said split flange plate to said adaptor means and said fixed plate.
Dependencies are inferred from the claim text.