1、Recommended Practice for Design of Continuous Flow Gas Lift Installations Using Injection Pressure Operated ValvesAPI RECOMMENDED PRACTICE 11V6SECOND EDITION,JULY 1999REAFFIRMED,MARCH 2015Recommended Practice for Design of Continuous Flow Gas Lift Installations Using Injection Pressure Operated Valv
2、esUpstream SegmentAPI RECOMMENDED PRACTICE 11V6SECOND EDITION,JULY 1999REAFFIRMED,MARCH 2015 SPECIAL NOTES API publications necessarily address problems of a general nature.With respect to partic-ular circumstances,local,state,and federal laws and regulations should be reviewed.API is not undertakin
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13、blisher.Contact the Publisher,API Publishing Services,1220 L Street,N.W.,Washington,D.C.20005.Copyright 1999 American Petroleum Institute FOREWORD This Recommended Practice is under the jurisdiction of the American Petroleum Institute(API)Committee on Standardization of Production Equipment(Committe
14、e 11).This document presents recommended practices for the design of continuous flow gas liftusing injection pressure operated valves.API publications may be used by anyone desiring to do so.Every effort has been made bythe Institute to assure the accuracy and reliability of the data contained in th
15、em;however,theInstitute makes no representation,warranty,or guarantee in connection with this publicationand hereby expressly disclaims any liability or responsibility for loss or damage resultingfrom its use or for the violation of any federal,state,or municipal regulation with which thispublicatio
16、n may conflict.Suggested revisions are invited and should be submitted to the general manager of theUpstream Segment,American Petroleum Institute,1220 L Street,N.W.,Washington,D.C.20005.iii CONTENTS Page 0INTRODUCTION.11SCOPE.12INTENT.13DEFINITIONS.24GENERAL DESIGN CONSIDERATIONS.24.1General.24.2Well Performance(Inflow and Outflow).24.3Tubing or Annulus(Production Conduit)Flow Area/Size.34.4Facilities.34.5Gas Injection Pressure.34.6Kick-Off Injection Gas Pressure.34.7Valves.34.8Characteristics o
