Allen K. Rives
Engineering at Grand Pr Dr, Lafayette, LA
License number
Louisiana EI.0003351
Issued Date
Jan 1, 1900
Category
Civil Engineer
Address
Address
105 Grand Prairie Dr, Lafayette, LA 70506
Professional information
Method And Apparatus For Cutting And Pulling Tubular And Associated Well Equipment Submerged In A Water Covered Area
US Patent:
4191255, Mar 4, 1980
Filed:
Apr 13, 1978
Appl. No.:
5/895739
Inventors:
Allen K. Rives - Lafayette LA
Assignee:
Lor, Inc. - Houston TX
International Classification:
E21B 2300, E21B 2900, E21B 3102
US Classification:
166297
Abstract:
A method and apparatus for cutting and recovering tubular and associated well equipment submerged in a water covered area including the steps of lowering a well string including a cutting tool, a swivel and a releasable spear in a water covered area to seat the swivel on the well equipment to thereby position the spear above the well equipment and the cutting tool within the equipment to be cut and pulled, actuating the cutting tool to sever the well equipment, lowering the well string and then raising it sufficiently to unseat the swivel from the tubular and associated well equipment, and then lowering it again to telescope the swivel and releasable spear within the severed well equipment, and actuating the releasable spear to engage the severed well equipment for retrieval by pulling the well string out of the water covered area.