06 en say adores
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Ensayadores de Formacin
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(edici)n de !resiones *radientes y contactos de fluidos
+onas deplecionadas o conso&represi)n
Estudio de transitorios (ovilidad$!er'ea&ilidad
!roductividad
(uestras de fluido $ !,-
!ro&ar presencia de hidrocar&uros
!ropiedades de fluidos !,-/
!lanificaci)n de desarrollo del ca'po
,alor del reservorio
RCI Gradient Plot
100
000
300
200
400
00
500
600
00
4 0 0. 00 4 50 0. 00 4 60 0.0 0 4 0 0. 00 4 0 0. 00 4 10 0. 00 00 0. 00
Pressure (psi)
Depth
(ftTVD
!!!
"!!
#!!
$!!
Pressure%p
si
Flo& Rate 'nalysisy*+$",-#./ Rate0 #+1" psi2min R#"+!!
! " # $Formation Flo& Rate% cm$2s
345eti6os de las mediciones
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Ensayador de Formacin Dra&do&n
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Ensayador de Formacin 7 E5emplosde datos de preensayo
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Ensayador de Formacin II 78om4eando al Po9o
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Ensayador de Formacin II 78om4eando al Po9o
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Ensayador de Formacin II 7 Toma de:uestra de Fluido
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Propiedades de las rocas reser6orio
!er'ea&ilidad!er'ea&ilidad-- 7apacidad de un 'edio poroso7apacidad de un 'edio poroso
de per'itir el paso de un fluidode per'itir el paso de un fluido
pALqk
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3
30
300
3000
30000
0.3 3 30 300 3000
!ressure7hangean
derivative.psi/
Elapsed ti'e s/
'lmacena5e de po9o% C0 slope "
Flu5o esf=rico (>,y9)0 slope "2#
Flu5o cil?ndrico (>,y)0slope !
'n@lisis de transitorios de presin
3z
2
xyxyz kkk =
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:odelos de flu5o del reser6orio al po9o
Apherical Flo&Apherical Flo&Apherical Flo&Apherical Flo&
8ottom 8oundary
Top 4oundary
kxyz
kxyhh
Cylindrical Flo&Cylindrical Flo& Cylindrical Flo&Cylindrical Flo&
Quasi semiesfrico
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P
Time
Pressure
cc/sCaudal enq
o sea
t
Cmara,ccVolumen deq
donde
r
q!Ck
"
dd
=
=
= 921
'n@lisis del Dra&do&n
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Permea4ilidad de Dra&do&n
" Indicador r8pido de per'ea&ilidadIndicador r8pido de per'ea&ilidad
" *ran influencia de la 9ona da:ada*ran influencia de la 9ona da:ada
" El caudal real es desconocido se to'a el pro'edio/El caudal real es desconocido se to'a el pro'edio/
" ;a presi)n de flu
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>eservorio
+ona ;avada
+ona Invadida
=o&recarga por filtrado
>evo?ue filtrante/
>evo?ue eficienteno hay so&recarga/
>adial istance
!resi)n
rfrsr%
pf
p@phydrost8tica
B
B
>evo?ue
@ell&ore
ps
Ao4recara
Depende de:Depende de:
Tipo de lodoTipo de lodo
KKrevoquerevoque/K/Kformacinformacin
Overbalance !h " !f#Overbalance !h " !f#
!roduce una pre$in de %&!roduce una pre$in de %&
mayor que la de formacinmayor que la de formacin
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Pro4lemas0
;a geo'etra no es eacta'ente esfCrica.
;a co'presi&ilidad del fluido es
desconocida.El caudal no es constante.
" usual'ente se usa el pro'edio
'n@lisis de Flu5o Esf=rico
+
=
tttk
C
k
qt
s
t
s
11108*)(
4 ,
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Pro4lemas en los pretests0>ara'ente se alcan9a flu
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Perfil de Campo Ta4la
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E5emplo de Presiones 6s+ Profundidad
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Ensayadores de formacinde nueva generacin
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Confiuracin t?pica (RCI)
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Mediciones de Presin
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F ;a repetici)n de'ediciones de presi)nsin desasentar lae'pacadura per'ite
asegurar el valor depresi)n de reservorio.
F e&e ade'8s o&tenerseesta&ilidad en tie'po en
el &uildupD para aceptarel valor 'edido
F =i a'&as condiciones secu'plenD la presi)n dereservorio es confia&le
Control de calidad de las mediciones
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Formation Rate 'nalysis
+
=
ddsyssys
#o
qdt
td"VCr$k
"t" )(*)(
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'n@lisis FR'0 mo6ilidad 3
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FR'0 mo6ilidad dudosa
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Argentine well. In red, K values from RCI; in black, MR! "erm and in brown, #tonele$ "ermeabilit$
Cali4racin de ?ndice de permea4ilidad deAtoneley y Resonancia man=tica uclear
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Esta4ilidad y Repeti4ilidad
7riterios de Esta&ilidad y >epeti&ilidad
Esta&ilidad G 0.05 psi$'in
>epeti&ilidad G 0.05 psi*racias a la alta precisi)n de las 'edidas depresi)n es posi&le la deter'inaci)n fluidos
'ediante gradientes de presi)n an enespesores relativa'ente pe?ue:os.
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Determinacin de contactos medianteradientes de presin
D t i i d t t di t
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!e'rleo( )*+,,, -/cm.-ua( 0*)+12 -/cm.!e'rleo( )*+,,, -/cm.-ua( 0*)+12 -/cm.
Determinacin de contactos medianteradientes de presin
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Identificacin de
fluidos originales
Sensor ptico
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Identificacin de fluidos
;as 'odernas herra'ientas cuentan con sensores para;as 'odernas herra'ientas cuentan con sensores para
(edici)n de resistividad de fluido(edici)n de resistividad de fluido
(edici)n de constante dielCctrica del fluido(edici)n de constante dielCctrica del fluido
=ensor )ptico ?ue deter'ina#=ensor )ptico ?ue deter'ina# ptical density a&sorci)n de la lu9/ de 00 a 2200 n'.ptical density a&sorci)n de la lu9/ de 00 a 2200 n'.
Jndice de refracci)n del fluido.Jndice de refracci)n del fluido.
Kluorescencia del fluido.Kluorescencia del fluido.
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CRHDE 3I< 'TTE:P+ 'D
PREAA+
/
Spectral Plot
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400 600 800 1000 1200 1400 1600 1800 20000.00
0.5
1.0
1.5
2.0
2.5
3.0
3.50
NM
% & ' ( ) * + - % %% %& %' %( %) %* %+
48.3 P!
38 P!
24 P!
30 P! Water
"s#$i%
Ref H20 Ref HC H
20
Aensor ptico espectros
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/ndice de refracci0n, n
R
"+! "+1 #+! #+1 $+!
!K
"K
#K
$K
K
1K
/K
JK
.K
/ndice de refracci0n3ac4o 5 0*)
ire 5 0*))),6
7a$ 5 0*)) " 0*,1
-ua 5 0*.,80*.9
!e'rleo 5 0*.. " 0*11
afiro 5 0*+29
1as
2il
3rine
#a""4ire
Lndice de Refraccin
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Toma de muestras de
fluidos de formacin
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Porta tanMues
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Pressure upPressure up
&ith itroen&ith itroen
Nydrostatic PressureNydrostatic Pressure
Compresses itroenCompresses itroen
AurfaceAurface Run in NoleRun in Nole
:uestra :onof@sica (PVT)
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PumpPumpAample into Tan>Aample into Tan>Pressure upPressure up
&ith itroen&ith itroen
Nydrostatic PressureNydrostatic Pressure
Compresses itroenCompresses itroen
Aample DepthAample DepthAurfaceAurface Run in NoleRun in Nole
:uestra :onof@sica (PVT)
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Close andClose and
the Tan> the Tan>
36erpressure Ainle Phase36erpressure Ainle PhaseTan> &ith RCI PumpTan> &ith RCI Pump
Pump AamplePump Aample
into Tan>into Tan>
Pressure upPressure up
&ith itroen&ith itroen
Nydrostatic PressureNydrostatic Pressure
Compresses itroenCompresses itroen
Aample DepthAample DepthAurfaceAurface Run in NoleRun in Nole
:uestra :onof@sica (PVT)
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Determinacin de
punto de burbuja
en condiciones de
reservorio
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In6aded oneR2C sensor
Pac>er
Dra&do&n pump
8ac>up arm
Piston PositionAensor
AystemVolume
Determinacin de Punto de 8ur4u5a
Close PVT Val6e
uart9 Gaue
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In6aded oneR2C sensor
uart9 Gaue
Pac>er
Dra&do&n pump
8ac>up arm
Piston PositionAensor
AystemVolume
Closed PVT Val6e
5
Determinacin de Punto de 8ur4u5a
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Determinacin de Punto de 8ur4u5a
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(ini =-
(iniKrac
Ensayo de Interferenciavertical
3tras aplicaciones
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;os ensayadores de for'aci)n &8sicosper'iten tener esti'aciones de valoresde presi)n y per'ea&ilidad a &a
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The 8est ChoiceThe 8est Choice