Page tree

Versions Compared

Key

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

...



1Synchronize gauges
2Stack data with wavelet filter
3Calculate total sandface flowrate (see also below)
4Create multi-well history plot
5Analyze data and trim the irrelevant data
6Decompose DTR/CTR
7Assess apparent transmissibility / diffusivity
8Perform numerical tests and compare with PCT DTR/CTR



Multi-layer specifics

...




ActionMathematicsComments
1

Assess total sandface flowrate:

LaTeX Math Inline
bodyq_t
across the pulsing unit (from QZI log)

bottom-hole pressure

LaTeX Math Inline
bodyp_{wf}

formation pressure

LaTeX Math Inline
bodyp_e


Assuming that recent PLT is available, both flowing and shut-in survey
2

Calculate productivity index


LaTeX Math Block
anchorJ
alignmentleft
J = \frac{q_t}{p_e - p_{wf}}



3Calculate pulsing flowrate history across target formation during PCT


LaTeX Math Block
anchorJ
alignmentleft
q_t(t) = J \cdot (p_e - p_{wf}(t))


Assuming that formation pressure did not change much between PLT and PCT survey

...