resman_case3_v2
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RESMAN hAS dEvElopEd Intelligent Tracers thatare deployed in the completion across the reservoirinterval. These tracers provide insight into thelocation o water break-through. They lie dormantuntil activated by water produced rom the reservoirat which time they release their unique chemicalfngerprint (tracer). Samples o the produced waterare analyzed and the concentration o the tracers
provide insight to where water production hasinitiated along the reservoir interval.
In this application, the tracer was ormed into longstrands known as ‘flaments’ and inserted into thepremium screen between the outer shroud and themesh layer. Some premium screen designs supportthis installation approach due to the space betweenthe shroud and the mesh. The tracer can be deployedin a variety o orms to accommodate almost allscreen types. Special designed carriers are utilized insituations where integration into existing completioncomponents is not practical.
Figure 2 illustrates the location o screen jointscontaining tracer flaments. Each vertical line repre-sents a screen joint containing tracers. The dierentcolors represent the our unique tracer fngerprintsthat were utilized in this application.
RESMAN Tracers Identify Location ofWater Break-Thru
In many felds world-wide, water injection is used to displace the oil towards producingwells and provide pressure support. The efciency o this process aects the ultimaterecovery o oil rom the reservoir. Understanding where water is migrating helpsoperators make more inormed reservoir management decisions to improve sweepefciency.
CASE 3
Figure 1: Tracer Inte-
grated Into Premium
Sand Screen
Figure 2: Deployment
o screens along the
reservoir interval
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Th Dowhol wrlss proDTo profl « rsMA
Time
June oct.
10
0
w a t e u t [ % ]
T a c e r e l e a s e r a t e
Time
June oct.
10
0
w a t e u t [ % ]
T a c e r e l e a s e r a t e
Figure 3 is a plot o the tracer concentration data or samples taken over a three month period. The colored linescorrespond to the colors o the tracers in Figure 2.
wll proDTowATr T %
Figure 3:Tracer
response curves
Figure 4: Water
Break-Throug Events
The dashed line illustrates the water cut o the well’s production at the time o each sample.
Figure 4 highlights the frst water break-through event. Point A highlights the point where the blue tracer showsa jump in concentration that corresponds to a change in the water cut curve. This indicates the rise in waterproduction at this point in time, that is attributable to new water inux occurring in the interval o sand screenscontaining the blue tracers.
Point ‘B’ illustrates a similar event associated with the green tracers that occurs several weeks ater event ‘A’.
B
A
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Th Dowhol wrlss proDTo profl « rsMA
mai: [email protected]
Teene: ue 47 916 71 333
t Ameica 832 293 9125
Bazi 55 21 3544-0038
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Figure 5: Water
Break-Through
Timning and Location
By understanding where water break-through’s are occurring at dierent points in time allows the operatorto track ood ronts and better understand how wateris migrating through the reservoir and thereore moreoptimally manage the reservoir.
A.frsT BrAk-Thr vT
B.soD BrAk-Thr vT