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B31-Specificaition for General Instruments

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    F  O   D   R  S  E   O  L   Y ENGINEERING & PROJECT MANAGEMENT CONSULTANCY FOR CREATION OF FIELD GAS GATHERING STATION (FGGS) AT BAGHJAN IN UPPER ASSAM FOR OIL INDIA LTDSPECIFICATION FOR GENERAL INSTRUMENTATION JPECDOC.NO.:FGGS-BJN-INT-SPC-7001REV.0DATE:17-07-19Page 1of49OIL INDIA LIMITED SPECIFICATION FOR   GENERAL INSTRUMENTATION 0Issued for ITB17-07-19SRSSTCK AIssued for Review20-03-19SRSSTCK REV.DESCRIPTIONDATEBYCHECKEDAPPROVEDCLIENT Page 1641 of 2248    F  O   D   R  S  E   O  L   Y ENGINEERING & PROJECT MANAGEMENT CONSULTANCY FOR CREATION OF FIELD GAS GATHERING STATION (FGGS) AT BAGHJAN IN UPPER ASSAM FOR OIL INDIA LTDSPECIFICATION FOR GENERAL INSTRUMENTATION JPECDOC.NO.:FGGS-BJN-INT-SPC-7001REV.0DATE:17-07-19Page 2of49OIL INDIA LIMITED TABLE OF CONTENTS 1.0INTRODUCTION:............................................................................................................32.0PROJECT OBJECTIVE:..................................................................................................33.0DOCUMENT PURPOSE:.................................................................................................34.0DEFINITIONS AND ABBREVIATIONS:...........................................................................45.0UNITS OF MEASUREMENT...............................................   ............................................66.0ENVIRONMENTAL DATA...............................................................................................77.0APPLICABLE CODES & STANDARDS..........................................................................78.0GENERAL REQUIREMENTS:.......................................................................................159.0INSTRUMENT IDENTIFICATION NAME PLATES........................................................1610.0SELECTION OF INSTRUMENTS:.................................................................................1711.0 FLOW INSTRUMENTATION:........................................................................................1712.0CHOKE VALVES -TECHNICAL REQUIREMENTS......................................................2313.0TEMPERATURE INSTRUMENTATION:........................................................................2614.0LEVEL INSTRUMENTATION........................................................................................2915.0PRESSURE INSTRUMENTATION:...............................................................................3316.0 CONTROL VALVES:.....................................................................................................3617.0SAFETY AND RELIEF VALVES....................................................................................3818.0SAFETY AND RELIEF VALVES SIZING.......................................................................3819.0ANALYZERS:................................................................................................................3920.0SDV/ BDV:.....................................................................................................................4521.0 INSTRUMENT VALVES AND MANIFOLDS:................................................................4722.0INSTRUMENT WIRING.................................................................................................48   Page 1642 of 2248    F  O   D   R  S  E   O  L   Y ENGINEERING & PROJECT MANAGEMENT CONSULTANCY FOR CREATION OF FIELD GAS GATHERING STATION (FGGS) AT BAGHJAN IN UPPER ASSAM FOR OIL INDIA LTDSPECIFICATION FOR GENERAL INSTRUMENTATION JPECDOC.NO.:FGGS-BJN-INT-SPC-7001REV.0DATE:17-07-19Page 3of49OIL INDIA LIMITED 1.0 INTRODUCTION: M/S OIL India Ltd (OIL), is a pioneer oil company to explore and exploit crude oil and natural gas with its headquarter at Duliajan, Assam.The development of non-associated gas fields in OIL’s Upper Assam operational area is underway. As part of this development scheme, OIL desires to construct state-of-the-art stations namely, two non-associated gas production setups (Field Gathering Stations:FGS) one each at Baghjan and Chabua and one high volume self-containedGas Gathering, Custody Transfer and Metering Delivery Terminal (Central Gas Gathering Stations and Offtake Point; CGGS & OTP) at Madhuban in Upper Assam, India. 2.0 PROJECT OBJECTIVE: OIL is in the process of development of producing field in Baghjan area. As a part of this development scheme, OIL desires t   o construct FIELD GAS GATHERING STATION (FGGS) setup comprising of crude oil & natural gas production facility at Baghjan field in Upper Assam, India. The Baghjan oilfield is producing from 6 Nos. of wells through an EPS (Early Production Setup). Associated Gas is expected to be around 0.3 MMSCUMD. The Baghjan field also having huge amount of non-associated gas potential and it is expected to produce about 2.5 MMSCMD of non-associated natural gas from this area. To explore the resources one Field GasGathering station having the facilities for production of natural gas are to be created.OIL INDIA LIMITED has awarded the job of Project management Consultancy services for execution of this project to Jayathe Petrotech Engineers and Consultants Pvt. Ltd. (JPEC) The project envisages design, creation of process facilities, requisite utilities etc. in various modules and other infrastructure for a standalone integrated surface production set up for production natural gas complying with all gas field safety norms (DGMS, OISD etc.) and applicable government laws. 3.0 DOCUMENT PURPOSE: This document covers the minimum requirements for the design, selection, application and installation of instruments and control system for Engineering and project management Consultancy (EPMC) for the project PROJECT MANAGEMENT CONSULTANCY FOR CREATION OF FIELD GATHERING STATION (FGGS) AT BAGHJAN IN UPPER ASSAM. Page 1643 of 2248    F  O   D   R  S  E   O  L   Y ENGINEERING & PROJECT MANAGEMENT CONSULTANCY FOR CREATION OF FIELD GAS GATHERING STATION (FGGS) AT BAGHJAN IN UPPER ASSAM FOR OIL INDIA LTDSPECIFICATION FOR GENERAL INSTRUMENTATION JPECDOC.NO.:FGGS-BJN-INT-SPC-7001REV.0DATE:17-07-19Page 4of49OIL INDIA LIMITED 4.0 DEFINITIONS AND ABBREVIATIONS:4.1 DEFINITIONS: Table 4.1.1 Definitions   NOMENCLATUREDESCRIPTIONCompanyOil India Limited(OIL)Consultant Jayathe Petrotech Engineers & Consultants (JPEC)ProjectField Gas Gathering Station, Baghjan (FGGS-BJN)Vendor / Manufacturer The person, firm, COMPANY or Corporation including their assignees who supplies the equipment/materials required for the project.SHALLIndicates a mandatory requirementSHOULDIndicates a strong recommendation to comply with the requirements of this document 4.2 ABBREVIATIONS: Table 4.2.1Abbreviations  ABBREVIATIONSDESCRIPTION ACAlternating Current AGAAmerican gas Association ANSIAmerican National Standards Institute APIAmerican petroleum Institute ATEXATmosphere EXplosiblesBDVBlow Down valveBJNBaghjanBSBritish StandardsBWPD Barrels of Water per dayCSCarbon SteeldBADecibelsDPDifferential PressureDCSDistributed Control System Page 1644 of 2248
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