- City Fajr Shuruq Duhr Asr Magrib Isha
- Dubai 05:29 06:43 12:35 15:51 18:21 19:35
The World Intellectual Property Organisation, Wipo, has published an Emirati invention for a design of a Compact Fishing Apparatus to be used for retrieving stuck oil pipes.
Emirati inventor, Eida Almuhairbi, from Zadco, said: "The retrieval of stuck pipes causes a loss of millions of dollars daily, so I worked with my team Wasfi Alshdaifat, and Farah Kassab to invent a compact apparatus capable of retrieving stuck pipes in one operation."
The international search and examining authority under Wipo has approved all 10 claims of the invention as being industrially applicable, novel, and inventive, which means this is the first Arabic intellectual patent application being approved by the Wipo in this limited field, and the first Emirati intellectual invention approved in the petrol sector."
The apparatus, which consists of 12 modified technical parts, provides a single entry, one trip, compact drill pipe 'fishing' apparatus, wherein a cylindrical housing supports the inner tools and mechanisms with a rotatable spindle penetrating its top cap, driving the inner mechanisms.
The cap rotates the housing while moving downward, there are two sets of keys distributed through bores made horizontally inside the housing body, and then syringe type lubricant tools are installed through bores made in the housing body. Then, in the bottom part of the housing, an inner cylindrical cutting block is installed, with four cutting outlets bores, made via the housing body, and finally three cameras are installed.
The fishing operation starts by cutting two sets of holes in the drill pipe (fish), lubricating the holes, engaging the keys, pushing the fish right/left, and up/down via the engaged keys, using penetrating oil, and pulling up the fish.
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