ISO 18647:2017 石油および天然ガス産業—オフショア固定プラットフォーム用のモジュラー掘削リグ | ページ 6

3.1

cementing module

modularized facilities that include cementing pump, mixing device and manifold system, used to provide cementing services

3.2

drilling equipment set

DES

set of equipment that includes derrick/mast, substructure, drawworks, crown block, traveling block, hook, TDS, rotary table, BOP, driller’s cabin, drill floor equipment, choke and kill manifold and can also include shale shakers, degasser, desander, desilter, centrifuge, cuttings dryer, pipe handling system and BOP handling system etc., used to implement hoisting and rotating functions during drilling operations

Note 1 to entry: The drilling equipment set is generally movable by means of skid rails such that the centre can be positioned over one of a number of well slots.

3.3

drill floor clearance

clear distance between the bottom of the rotary table support beam and the BOP deck of the platform

3.4

drilling support module

DSM

structure that can include diesel generator set, fuel tank, air compressor and storage tank, sack storage and mud mixing, electric drive and associated control system, mud tank, mud pump and auxiliary equipment, pipe deck area, piping and cable tray used to provide power, circulation and other functions to the drilling rig

3.5

interface

relations between a modular drilling rig and various systems (such as safety, oil, gas, water, electricity, instrumentation, communication, structures, etc.) on the platform

3.6

modular drilling rig

MDR

modularized facilities for drilling from a fixed offshore platform consisting of drilling equipment set, drilling support, P-tank, cementing, well logging, mud logging and other equipment

3.7

monkey board

platform called racking platform located at a distance above drill floor for laterally supporting the upper end of racked downhole tubulars/drill string that also provides a space for derrickman to handle the tubulars/drill string when trip out and in during drilling operation

3.8

mouse hole

opening in the rig floor near the rotary table, in which joints of drill pipe are temporarily placed for later connection to the drill string

Note 1 to entry: The mouse hole is usually fitted underneath with a length of casing, usually with a bottom.

3.9

mud logging module

modularized facilities that include mud logging room, data acquisition system and display terminal, used to provide mud logging services

3.10

powder tank module

P-tank

modularized facilities that include bentonite tank, barite tank, cement tank, weighing equipment, control equipment, and manifold system, used to store powder materials for drilling fluid and cement slurry preparation

3.11

recognized classification society

RCS

member of the International Association of Classification Societies (IACS), with recognized relevant competence and expertise of petroleum and natural gas activities, and with established rules and procedures for classification/certification of installations in the petroleum and natural gas industries

3.12

skid rail

structural steelwork that provides smooth flat surfaces for the drilling equipment set to move in an X-Y planes to allow access over all well slots

Note 1 to entry: The upper skid rail is the slide skid rail of the upper substructure of the drilling rig; the lower skid rail is that of the lower substructure.

3.13

skidding system

equipment that can include the skid rails, skid shoe, fwd/aft skidding claws, skidding cylinders, locking claws, skidding hydraulic power unit (HPU), locking and control unit, used for horizontal movement of the DES, covering the well slot area

Note 1 to entry: Alternative rig skidding systems can be used as well.

3.14

well logging module

modularized facilities that include well logging winch, well logging room, wellhead lubricator and cable, used to provide well logging services

3.15

well slot

opening provided for individual wells that allows a path from the underside of the drilling equipment set to the seabed

Note 1 to entry: In general lateral supports are provided below each well slot from the platform structure through the topsides and through the water column to support the well tubular to withstand environmental forces and prevent excessive stress and displacements.