Page tree

Versions Compared

Key

  • This line was added.
  • This line was removed.
  • Formatting was changed.

...

Objectives

...



Primary deliverablesConditional Deliverables
1

Assess current formation pressure

LaTeX Math Inline
bodyp_e


2

Reconstruct initial formation pressure back into history

LaTeX Math Inline
bodyp_i

Reallocate production history assuming

LaTeX Math Inline
bodyp_i
is known

3

Assess skin-factor,

LaTeX Math Inline
bodyS

Assess formation damage

Assess formation penetration

Identify fracture-network development around the well

4

Assess formation transmissibility

LaTeX Math Inline
body\sigma

Assess permeability

LaTeX Math Inline
bodyk
assuming flowing thickness
LaTeX Math Inline
bodyh
is known

Assess flowing thickness

LaTeX Math Inline
bodyh
assuming permeability
LaTeX Math Inline
bodyk
is known

Assess water-oil column assuming permeability

LaTeX Math Inline
bodyk
and flowing thickness
LaTeX Math Inline
bodyh
are both known

5

Assess minimum drainable volume

LaTeX Math Inline
bodyV_\phi
around the well

Assess minimum hydrocarbon reserves around the well

Assess drainage area

LaTeX Math Inline
bodyA
around the well assuming flowing thickness
LaTeX Math Inline
bodyh
is known

Assess flowing thickness

LaTeX Math Inline
bodyh
assuming the drainage area
LaTeX Math Inline
bodyA
around the well is known

6

Identify boundary type

LaTeX Math Inline
bodyPSS, \, SS, \, BAFFLE
and assess its proximity
LaTeX Math Inline
bodyr_e


7

Identify fracture presence and assess its size

LaTeX Math Inline
bodyX_f


8

Assess the fracture opening threshold

LaTeX Math Inline
body\delta P_{X_f}


9

Assess the presence

LaTeX Math Inline
bodyr_{ext}
of remote reservoir composition areas and its transmissibility
LaTeX Math Inline
body\sigma_{ext}

Pick up the channel size/proximity

Pick up the oil-water front and its proximity

Pick up the oil-gas front and its proximity









Анализ переходных процессов давления (

Hint
0PTA
1Pressure Transient Analysis = Анализ Транзиентов Давления
 = Pressure Transient Analysis) производится над откликом забойного давления в скважине на изменение ее дебита (запуск скважины после простоя, остановка скважины после работы, увеличение или снижение дебита).

...

Рис. 3. Пример синтетического PTA на скв. P2 в условиях работающего окружения

https://www.arax.team/company/personal/user/36/tasks/task/view/9138/

Полу-лог


Show If
groupsofoil

Ссылки


[1]  Fekete – Traditional Decline Theory