000			02121nmc a2200253 4500
005			20260520005608.0
008			260224s2001 xxu ing
041			_aInglés
245	0	0	_aAnalysis of Salinity Changes Caused by Brief Shut-in of Wells in Secondary Oil Recovery _bSPE 69567
260			_aDallas, Texas _bSociety of Petroleum Engineers _c2001
270			_a12/09/06 ; 17/07/01
520			_aThis paper presents a methodology to determine the origin and dynamics of bottomwater in a producing well influenced by several injectors in a secondary recovery pattern. This methodology requires a brief shut-in period in order to better identify the effect of flow patterns in the near wellbore region of the producer. During the shut-in period, water coming from the dominant injection wells can move forward, invading areas of a layer that has been previously occupied by other waters. Once the well is reopened, a salinity contrast between the injection and produced waters can be measured. Then, it is proposed to determine the original flow distribution around the producing well by means of a simple balance of salt mass. Salinity changes produced by shut-in injectors are analyzed as a complementary tool for identification of dominant injectors. Representative results of several cases that may arise from a hypotetical reservoir are also presented. Finally, a case study from the Neuquen Basin of Argentina is presented that demonstrates the proposed methodology.
942			_cCONGTP
100	1		_aSomaruga, C.A. _96335
100	1		_aGazzera, C.E. _96336
100	1		_aWouterlood, C.J. _96337
111	2		_aLatin American and Caribbean Petroleum Engineering Conference (7th : 2001 mar. 25-28 : Buenos Aires, Argentina) _95738
700	1		_aGazzera, C.E. _96336
700	1		_aWouterlood, C.J. _96337
711	2		_aLatin American and Caribbean Petroleum Engineering Conference (7th : 2001 mar. 25-28 : Buenos Aires, Argentina) _95738
800	1		_aSomaruga, C.A. _96335
999			_c131107 _d131107
856			_uhttps://biblioteca.iapg.org.ar/ArchivosAdjuntos/LACPEC2001/Spe69567.pdf