Global Standards

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Drilling Support Module

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. Source: ISO 18647:2017, Petroleum and natural gas industries — Modular drilling rigs for offshore fixed platforms, First Edition, August 2017. Global Standards

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Drilling PC Network (DPcN)

DCDA system’s PC network. Source: NORSOK D-001, Drilling facilities, Rev. 3, December 2012. Global Standards

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Drilling Facilities

Structures containing systems, equipment and utilities required for drilling operations. Source: NORSOK D-001, Drilling facilities, Rev. 3, December 2012. Global Standards

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Drilling Control Systems (DCS)

Generic term for drilling control systems, include instrumentation, e.g. DCDA, BOP, Cement, CRI, Mud Mix. ML, MWD etc. Source: NORSOK D-001, Drilling facilities, Rev. 3, December 2012. Global Standards

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Drilling Control Network (DCN)

DCDA system’s control network (controller level). Source: NORSOK D-001, Drilling facilities, Rev. 3, December 2012. Global Standards

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Drilling Control and Data Acquisition (DCDA)

Specific drilling control system mainly used by operators in driller’s cabin and information with regards to drilling data for the entire drilling rig. Source: NORSOK D-001, Drilling facilities, Rev. 3, December 2012. Global Standards

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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.

Source: ISO 18647:2017, Petroleum and natural gas industries — Modular drilling rigs for offshore fixed platforms, First Edition, August 2017. Global Standards

DES

Drilling equipment structure. Source: NORSOK D-001, Drilling facilities, Rev. 3, December 2012. Global Standards

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DCDA Operator Workstation

Driller’s chairs included operator screens. Source: NORSOK D-001, Drilling facilities, Rev. 3, December 2012. Global Standards

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DCDA Operator Terminals

Other workstation, e.g. toolpusher office, company man, maintenance office, etc. Source: NORSOK D-001, Drilling facilities, Rev. 3, December 2012. Global Standards

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DCDA

Drilling control and data acquisition system. Source: NORSOK D-001, Drilling facilities, Rev. 3, December 2012. Global Standards

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DAT

Direct acting tensioners. Source: NORSOK D-001, Drilling facilities, Rev. 3, December 2012. Global Standards

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Discharge Line

Line between the pump that is used for pumping and the first permanent valve on a WBE. Examples - Surface production tree, wellhead. Source: NORSOK D-010, Well integrity in drilling and well operations, Rev. 3, August 2004. Global Standards

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Deep Water Well

Water depth exceeding 600 m LAT. Source: NORSOK D-010, Well integrity in drilling and well operations, Rev. 3, August 2004. Global Standards