Sea drilling jig

Details Sea drilling jig Sea drilling jig

1976-03-04

1977-09-13

Purser, Ernest R.

Boring or penetrating the earth

Boring a submerged formation

Boring from floating support with submerged independent...

166 5, 175213, E21B 1502

Patent

active

040475794

ABSTRACT:
A sea drilling jig comprises a tool carrier ship having a hull with a drill tower mounted on the hull over a hull opening which extends downwardly into the sea below the tower. A riser head is engageble in the hull opening and it may be coupled to the hull. The riser head includes a float portion with a ballast tank and it has a vertically extending riser tube opening therethrough for accommodating a riser tube and for holding it in position relative to the tower. The riser head is detachable from the carrier ship and may be ballasted to float at a level below the ship out of the turbulence area of foul weather whenever foul weather occurs.

REFERENCES:
patent: 2512783 (1950-06-01), Tucker
patent: 3017934 (1962-01-01), Rhodes et al.
patent: 3196958 (1965-07-01), Travers et al.
patent: 3336572 (1967-08-01), Paull et al.
patent: 3340928 (1967-09-01), Brown
patent: 3458853 (1969-07-01), Daniels et al.
patent: 3486555 (1969-12-01), Vincent
patent: 3556231 (1971-01-01), Henderson

Affiliated with

Also associated with

Rating

Sea drilling jig does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Sea drilling jig, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Sea drilling jig will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-267948