download

Click here to load reader

Post on 01-Nov-2014

21 views

Category:

Business

8 download

Embed Size (px)

DESCRIPTION

 

TRANSCRIPT

  • 1. API RPmllS4 73 m 0732270 0508357 414 m Recommended Practice for Sizing and Selection of Electric Submersible Pump InstallationsAPI RECOMMENDED PRACTICE 1IS4 (RP 11S4)FIRST EDITION, MAY 1, 1993(Formally API Recommended Practice 1 1 U (RP 1 1 U)Second EditionReaffirmed and Reassigned, May 1, 1993)American Petroleum Institute1220 L Street, Northwest 11Washington, DC 20005COPYRIGHT American Petroleum InstituteLicensed by Information Handling Services

2. A P I R P x L L S 4 93m 0 7 3 2 2 9 0 0508358 350Issued byAMERICAN PETROLEUM INSTITUTEProduction DepartmentFOR INFORMATION CONCERNING TECHNICAL CONTENTS OF THIS PUBLICATION CONTACT THE API PRODUCTION DEPARTMENT, 1201 MAIN STREET, SUITE 2535, DALLAS, TX 75202-3994 - (214) 748-3841.SEE BACK COVER FOR INFORMATION CONCERNING HOW TO OBTAIN ADDITIONAL COPIES OF THIS PUBLICATION. Users of this publication should become familiar with its scope and content. This publication is intended to supplement ratherthan replace individual engineering judgment. OFFICIAL PUBLICATION REG. U.S. PATENT OFFICECopyright Q 1993 American Petroleum InstituteCOPYRIGHT American Petroleum InstituteLicensed by Information Handling Services 3. 2 American Petroleum Institute TABLE OF CONTENTS Page POLICY ..............................................................3 FOREWORD ......................................................... 4 1. Jurisdiction ...................................................... 4 2 . Purpose .......................................................... 4 3. Policy ...........................................................4 SECTION 1 -GENERAL ............................................5 1.1 Introduction ....................................................5 1.2 Scope ...........................................................5 SECTION2-TERMS. DATA ANDCHARTS.........................5 2.1 Definition of Terms .............................................52.2 Data and Charts ................................................6 SECTION 3 - ELECTRIC SUBMERSIBLE PUMP COMPONENT DESCRIPTION ........................ 7 3.1 Subsurface Equipment ..........................................7 3.2 Surface Equipment .............................................8 SECTION 4 -WELL DATA SHEET4.1 Required Data ..................................................9 SECTION 5 - PUMP AND SYSTEM SIZING5.1 Example ProblemNo. 1(Water and Oil Productionwith No Gas) .................................................... 95.2 Example Problem No. 2 (Water andOil Production with Gas)..... 155.3 Example Problem No. 3 (Water andViscous Oil Production) ...... 15 SECTION 6 - SPECIAL WELL CONDITIONS ......................186.1 High Bottomhole Temperature .................................. 186.2 Corrosion ...................................................... 186.3 Solids ......................................................... 18 SECTION 7 - OTHER EQUIPMENT ESP CONSIDERATIONS..... 197.1 ESP Variable Speed Controls ...................................197.2 Soft Start. ...................................................... 19 Note: This is the first edition of this API Recommended Requests for permission toreproduce W translate all or any Practice. It supersedes API Recommended Practice 11Upart of the material published herein should be addressed to (RP 1lU)second edition. May 30. 1986 which was sub- the Director. Production Departmnt, 1201 Main Street. mitted to be renamed and reaffirmed at the 1992 Stand-Suite 2595. Dallas TX 75202.3994 . ardization Conference as reported in Circ PS.1985. and subsequently approved by letter ballot .COPYRIGHT American Petroleum InstituteLicensed by Information Handling Services 4. A P I RP*kLLS4 73 0732270 O508360 T09 m RP llS4: Sizing and Selection of Electric Submersible Pump Installations 3POLICY API PUBLICATIONSNECESSARILYADDRESS THINGCONTAINEDINTHEPUBLICATIONBE PROBLEMS OF A GENERAL NATURE.WITHCONSTRUEDASINSURINGANYONEAGAINST RESPECT TO PARTICULAR CIRCUMSTANCES, LIABILITYFORINFRINGEMENTOFLETTERS LOCAL, STATE AND FEDERAL LAWS AND REG- PATENT. ULATIONS SHOULD BE REVIEWED.GENERALLY, API STANDARDS ARE REVIEWED API IS NOT UNDERTAKING TO MEET DUTIESAND REVISED, REAFFIRMED, OR WITHDRAWN O F EMPLOYERS, MANUFACTURERS OR SUP- AT LEAST EVERY FIVE YEARS. SOMETIMES A PLIERS TO WARN AND PROPERLY TRAIN ANDONE-TIME EXTENSION OF UP TO TWO YEARS EQUIPTHEIREMPLOYEES,ANDOTHERSEX- WILL BE ADDED TO THIS REVIEWCYCLE. THIS POSED, CONCERNINGHEALTH ANDSAFETYPUBLICATION WILL NO LONGER BE IN EFFECT RISKS AND PRECAUTIONS, NOR UNDERTAKING FIVE YEARS AFTER ITS PUBLICATIONDATE THEIR OBLIGATIONS UNDER LOCAL, STATE, OR AS AN OPERATIVE API STANDARD OR, WHERE FEDERAL LAWS.ANEXTENSION BEENHAS GRANTED,UPONREPUBLICATION.STATUS OF HET PUBLICA- NOTHINGCONTAINEDINANYAPIPUBLICA- TIONCANBEASCERTAINEDFROMTHEAPI TION IS TO BE CONSTRUED AS GRANTING ANYAUTHORING DEPARTMENT (TEL.A 214-748-3841). RIGHT, BY IMPLICATION OR OTHERWISE,FOR CATALOG OFAPIPUBLICATIONSAND MATE- THEMANUFACTURE,SALE,OR USEOFANYRIALSIS PUBLISHEDANNUALLY UP-AND METHOD, APPARATUS, OR PRODUCT COVEREDDATEDQUARTERLYBYAPI, 1220 L ST., N.W., BY LETTERS PATENT. NEITHER SHOULD ANY- WASHINGTON, D.C. 20005.COPYRIGHT American Petroleum InstituteLicensed by Information Handling Services 5. A P I RP*llSY 9 3m 0732290 0508361945 m4 American Petroleum Institute RECOMMENDED PRACTICE FOR SIZING AND SELECTION OF ELECTRIC SUBMERSIBLE PUMP INSTALLATIONSForeword(3) Nothing contained in anyAPI RecommendedPractice is to be construed as granting any right, by1. Jurisdiction: This Recommended Practice(RP) is implication or otherwise, for the manufacture, sale, underthejurisdictionof theAmericanPetroleumor use in connection with any method, apparatus, or Institute (API) Committee on Standardization ofproduct covered by letterspatent, nor as insuring Production Equipment (Committee 11). anyone againstliability for infringement of letters2. Purpose: This documentpresents Recommendedpatent.Practices for Sizing and Selection of Electric Sub-mersible Pump Installations andRelated Equipment. (4) This Recommended Practice may be used by3. Policy: anyone desiring to do so, and a diligent effort has( 1 ) AmericanPetroleumInstitute(API)Recom-been made by BPI to assure the accuracy and relia-mended Practices published facilitateare tothebility of thedatacontainedherein. However, thebroad availability of proven, sound, engineering and Institutemakes no representation,warrantyoroperating practices. These Recommended Practices guarantee in connection with the publication of thisare not intended to obviatethe need for applying Recommended Practiceandherebyexpressly dis-soundjudgmentastowhenandwherethese claims any liability or responsibility loss or dam- forRecommended Practices should be utilized.age resulting from its use, for any violation of any federal, state or municipal regulation with which an(2) The formulation and publication of API Recom-API recommendationmayconflict, or for the in-mended Practices isnot intended to, in any way,fringement of any patent resulting from theuse ofinhibit anyone from using any otherpractices. this publication.COPYRIGHT American Petroleum InstituteLicensed by Information Handling Services 6. A P I RPtLLS4 93 W 0732290 0508362 881 W RP llS4:Sizing and Selection of Electric Submersible Pump Installations5 SECTION 1 GEFJEIRAL 1.1 INTRODUCTION:1.2 SCOPE:1.1.1 This RP is provided to meetthe need for 1.2.1 This Recommended Practiceaddressestheguidelines, procedures and recommendationsfundamental procedures for sizing andcoveringElectricSubmersiblePumpsand selectingelectric submersible pumpsandrelatedequipment.TheseRecommended relatedequipmentforvarious well condi-Practicesarethose generally consideredtions.necessary for successful electric submersible1.2.2 This Recommended Practiceis specificallypump operation. For installation see APIprepared for installations in oil and/or waterRP 11R, Recommended Practice for ElectricSubmersible Pump Installations. producing wells wherethe equipment is installed on tubing.SECTION 2TERMS, DATA AND CHARTS 2.1 D E F I N I T I O N O F T E R M S2.1.6 HT - Producing Tubing Head (Ft.)-Producing tubing pressure at wellhead con-2.1.1 V D - V e r t i c a l P u m p I n t a k e S e t t i n g verted to head in feet by using the specificDepth (Ft.) - is the true vertical pump set-gravity of the fluid being pumped.ting depth measured from the surface. Tbg. Press. (PSIG)2.1.2 MD - MeasuredPumpIntakeSetting HT = S.G. x 0.433Depth (Ft.) - actualpumpsettingdepthmeasured along the well bore. Theoretically,2.1.7 TDH - Total Dynamic Head (Ft.) - isin non-deviated wells, MD = VD. the head against which the pump is operat-ing (discharging) expressed as feet of fluid2.1.3 F O P - Fluid Over Pump (Ft.) - calcu-being lifted.lated value TDH= H, + H, + H,PIP (PSI)FOP = where:HD= VD - FOP = VerticalS.G. x 0.433 (PSI/Ft.)Lift (Ft.)where: PIP = PumpIntakePressureHF= Tubing Friction Loss (PSI)W.) S.G. = PumpIntakeFluid Spe-HT= Producing Tubing Head cific GravityPt.) 0.433 = Conversion Constant (PSI/Ft.)2.1.8 S.G. - SpecificGravity - of oil, waterand solution gas or any mixture thereof, atCAUTION: FOP calculated from a Sonicthe pump intake.Fluid Level (FL) where FOP= VD - FL, can2.1.9 Visc - Viscosity (SSU)be very misleading because of the actualfluid gradient (PSI/Ft.) of the fluid in the2.1.10 BHT - Bottom Hole Temperature ("F)annulus.ThisFluid Level (FOP)maynot 2.1.11 GOR - Gas Oil Ratio (CU.ft./BBL)give an equivalent Pump Intake Pressure. 2.1.12 STBO - Stock Tank Barrels Oil (BBL)2.1.4 H, - Vertical Lift (Ft.) - Vertical Pump 2.1.13 CUT - Water Cut(%)Setting Depth (VD) minus FluidOver Pump(FOP). Therefore:2.1.14 PVF - Pump Volume Factor H, = VD - FOP 2.1.15 GLR - Gas Liquid Ratio (CU. ft./BBL)2.1.5 HF - Tubing Friction Loss (Ft.) - Pres-2.1.16 KVA - Transformer Power Ratingsure Loss expressed in feet due to fluidflowthroughthetubing,andis a function of KVA = 1.732 X Volts (Line-To-Line) x Ampsfluid velocity and viscosity.1000COPYRIGH