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  • RIG COMPONENTS - Definitions - SlideShare

    2016/04/20· RIG COMPONENTS-- Definitions 18. Kelly Saver Sub - A sub loed blow the lower kelly cock valve. The function of this sub is to prevent wear on the kelly’s threads and to centralize the kelly by means of a rubber protector, thus

  • Oil and Gas Well Drilling and Servicing eTool | Glossary of

    2015/07/30· kelly bypass n: a system of valves and piping that allows drilling fluid to be circulated without the use of the kelly. kelly cock n: a valve installed at one or both ends of the kelly. When a high-pressure backflow occurs

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  • List of components of oil drilling rigs - Wikipedia

    Standpipe (#8) is a thick metal tubing, situated vertically along the , that facilitates the flow of drilling fluid and has attached to it and supports one end of the kelly hose. Suction line (#3) is an intake line for the mud pump to draw drilling fluid from the mud tanks.

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    Jane Blunt, Nigel C. Balchin, in Health and Safety in Welding and Processes (Fifth Edition), 2002Manipulators and Positioners Rotary tables or rollers used to position work so that all welds can be made in the best position, for example flat or horizontal–vertical, present a nuer of hazards which have been overlooked in the past by welders.

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    Tubing-conveyed perforating (TCP) completion techniques enable perforating very long intervals in one run—some TCP strings have exceeded 8,000 ft [2,440 m] in length—and in highly deviated and horizontal wells, TCP is the only means of accessing the perforating depth.

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  • Types of Drilling Methods used in Mining | Boring | Mining

    2018/09/16· ADVERTISEMENTS: In this article we will discuss about the types of drilling methods used in mining. The types are: 1. Percussive Drilling 2. Rotary Drilling. Method # 1. Percussive Drilling: In this method which is the oldest one of drilling, the hole is …

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    Kelly View all 53 terms L L L-C L.E.L. L+T Label 1 Label 2 Labeled View all 389 terms M M MA MAASP MAC Mach Nuer Machine Machine Learning and Evolution View all 658 terms N 1988 LL Protocol Not Constituting a N

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  • Rotary Drilling - an overview | ScienceDirect Topics

    Rotary drilling is mostly used to drill big holes in large quarries, open pit mines, petroleum extraction, and other fields. Fig. 7.6 shows a diagram of a rotary drilling system. There are two groups of big rotary drilling: (1) rotary crushing

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  • Drilling Rig Rotary System - Petroleum Engineering

    2017/05/04· During drilling operations, in every connection, a new pipe is added below the kelly. To avoid premature wear in the kelly’s threads, a kelly saver sub is used between the kelly and the fi rst joint of drillpipe. Kelly cock valves are

  • Drill definition and meaning | Collins English Dictionary

    2020/11/25· Drill definition: A drill is a tool or machine that you use for making holes. | Meaning, pronunciation, translations and examples It’s no surprise that quite a few of the words on Collins Word of the Year 2020 shortlist have

  • RIGBOOK: Definition of Drilling

    2020/08/15· 52. Kelly Hose - The kelly hose is a section of high-pressured hose connecting the standpipe and the swivel. The kelly hose allows for the vertical movement of the drill string as well as circulation of fluid down the drill string.

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