Engineering

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SOCIETYOF PETROLEUMlINGINEERSF Am O 6300 North CentralExpressway DallastTexas 75206

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PAPER NUMBER

SPE

1316:,

1, ; .-,s~~ TO C!()~CTx()N .

~lS 1S A p~pRI~ ~.

‘7 THE “EFFECT ON THE FLOW ,. ., OF ULTRASONIC IN ENERGY MEDIA ,.
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OF “FLUIDS .. By

POROUS

“’.~ex Duhon} JuniorMemberAlllE, D. * aud John M. Csmpbell, .I’&nber AIME, U,of Oklahoma,Norman,Okla. Publication ,jlights Reserved

This paper i.s be,m?esentedat the SecondAn&al Eastern RegionalM&’ing of the Societyof *O PetroleumEngineersof .AIME, be hel~ @ Charleston, to Wesli Va.7 Nov. 4-5; 1;)$5) and is considered to the propertyof the Societyof PetroleumEngineers. Permissionto publishis hereby restricted an abwbractof no,t more than 300 words, with noillustrations, unless the pa@r is specifically r?tiasedto thetiressby thq Editor of the JoWnal of PetroleumTechnologyor the Executivecowtairionspicuous c actiowled.gment or.where~d by whom the Q+Pe? Secretary. Such abstractsfiould ~~ is presented. Publication elsewhereafter publicationin the Jo”urnalf PetroleumTechnolo&j-.,or o EngineersJournal is grantedOn request,providingproper creditis given the SocietyOfPekroleLziI tha$ publication and the originalpresentation the paper. of “. ., . .,, . be,sent, the to ‘ J)iscussionf this paqer is ‘invited;Three copiesofaay discussion,should o Societyof TetroleumEngineersoffice. “Such discussion nay be 2resen_tedt the above mee’tingaads a with the paper}may be considered ‘for publlcattonin one of’ the two SPE magaziaes. ., ., ... . , * .,.” ..tithough+heresultsof ~hese experiments ‘iBSTRACT cannotbe d$rectlytn%nslated field practice I to This-papersummarizes the resultsof a preliminaryinve~tigation into the’ poss~ble utilization ultrasonics promo%ethe flow @ to o? fluids iE porousmedia. The work ’reported is in essencea feasi~ility study Of%he abilzty of such wa~es to impart.useful energyto a for the fluit&Tilled porousmedia, particularly case wlik~eone suc$-f’luid Lsbeing,$tsplaced by another.,Also considered has bee~ the possibility of”selecjxively rejectingfluids in selectedopen-hole+tervals by means of’ lrfocused.ll ultrasonic waves. o they serve as a b“asisforfuture studies. , . INTRODUCTION ~ “ . .

The presenceof atieaiizns essenti.al’to i the transmission ~trasonic waves. Any of materialthat has el@icitycan propkgate,theae waves.The projagat.ion bakes the form of.a displaeement”of uccessive s ekrnentsof,the medium. Since all such media Bossess inirtia? the.~article continues move after it retu&s to to the posi%ionfrom which it startedand ?inally reachesanotherl dtf??erent> osition,Fast p A series’ofcontrolled tests w-made on a’ the originalone. From’thissecondpoint it sixteen-inch diameter.y.1.82~iu”...thkk@ .o$retuzqs$0 it6.,.origin+.posL>ion, b ece _abou%yh~oh it ,conttnues0 osc~llatewith cons%an12F $ &iminishtorpedo sandstoneusing dieseloil? SAZ LO oil a elemewts,of materialwiZl. . and -core test fluid as the hvdrocarb-ons. These. .’ingmplitude. The. or thereforeexecute difterent”movements orbits I fluidswere displacedby safinewater-ina series of ‘Ylood,teststf designedto character- asthe”wavepassesthroughthem. It is the w in ize-thebehaviorof the systemwith and wit~otzt.t&ifferences these moyeizentshich,characteriz basic types of ul.trasoa!,,.~;.waves~matter ?wb_-rio the additionof sonic wf?xgy. The- xes@.ts 0$’ kene@.pmpex’kLee_Q+‘Uiese=-tes%i=[ shwmnherein-l-se~=-to -show–that---.~at-kkwb.ve.ti~e.~-theremain. he same..As the wave travel~ t the. addition@ sonic kner~.~ncreasesdisplace- ultrasonicst~ough’the materi.%1..successive e+~ment sinthe ment efficiency. Sevexal.easonaare hypother these dispiacqments~ ..each sized for this res’ult.It is likewise.ndicated materialexperience i ‘suchelementin’%hewave @ath mov~ng a little that the desiredselectiveiujecti.vi%y was .,. . “. lateT. than’-i@neighbor. In other wdrds$ the feasible. phase of the wavel or vibra%ionn ‘changes long a...