Difference between revisions of "Category: Enhancement List"

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Routine execution of the identified [[Enhancement| Enhancements]] unlocks the pathway to [[Production Potential]] and results in more production, improved recovery and increased earnings.
 
Routine execution of the identified [[Enhancement| Enhancements]] unlocks the pathway to [[Production Potential]] and results in more production, improved recovery and increased earnings.
  
−
[[File:Enhancement List.png| Enhancement List]]
+
[[File:Enhancement List.jpeg| Enhancement List]]
 +
 
 +
<center>[[:Category:Enhancement List | Enhancement List]] at the [[:Category:E&P Portal | E&P Portal]]</center>
  
 
==Workflow==
 
==Workflow==
  
−
First [[Production Potential]] is calculated:
+
===1. Current Performance===
 +
[[:Category:Enhancement List | Enhancement List]] requires a lot of data been measured and processed and without an automated system a lot of manual work.
 +
 
 +
The minimum required data set is:
 +
 
 +
*[[Field]]
 +
*[[Reservoirs]] and [[PVT]]
 +
*[[Well]]
 +
*Well Type (producer, injector, history of change)
 +
*Well Operation Type (flowing, artificial list, history of change)
 +
*[[Daily Measures | Well Daily Measures]] (specifically flowing rates, fluid levels, pressures)
 +
*[[Deviation Survey]]
 +
*[[Perforations]]
 +
*kh & JD
 +
*Well Downhole Equipment
 +
*Well Design
 +
 
 +
===2. Production Potential===
  
−
===WHP and WOP===
+
[[Production Potential]] is calculated:
 +
 
 +
====WHP and WOP====
  
 
* '''Wellhead Potential (WHP)''' - is the maximum rate that can be achieved with existing well equipment with no workover (Choke open, Speedup the ESP, etc).
 
* '''Wellhead Potential (WHP)''' - is the maximum rate that can be achieved with existing well equipment with no workover (Choke open, Speedup the ESP, etc).
 +
 
* '''Workover Potential (WOP)''' - is the maximum rate that can be achieved with workover. The assumption is that the current skin will be mitigated with better completion during the workover. And the largest tubing practical that will fit in the current well bore will be used.
 
* '''Workover Potential (WOP)''' - is the maximum rate that can be achieved with workover. The assumption is that the current skin will be mitigated with better completion during the workover. And the largest tubing practical that will fit in the current well bore will be used.
  
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<td>Gas</td>
 
<td>Gas</td>
 
<td>Flowing</td>
 
<td>Flowing</td>
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<td> Calculated by setting the flowing wellhead pressure (FWHP) equal to the current flowing line pressure (FLP) at the well head. Use a current value of [[JD]].</td>
+
<td> Calculated with Nodal Analysis using the [[PQplot]] by setting the flowing wellhead pressure (FWHP) equal to the current flowing line pressure (FLP) at the well head. <BR>Use the current value of [[JD]].</td>
−
<td> Calculated by using the largest tubing practical that will fit in the current well bore with a FWHP equal to the current FLP. Use a [[JD]] = 0.13.</td>
+
<td> Calculated with Nodal Analysis using the [[PQplot]] by using the largest tubing practical that will fit in the current well bore with a FWHP equal to the current FLP. The largest tubing size is approximately the casing drift diameter minus the tubing coupling diameter > 0.5 inches for clearance (see [[Pipe Catalog]]).<BR>Use [[JD]]=0.13.</td>
 
</tr>
 
</tr>
  
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<td>Oil</td>
 
<td>Oil</td>
 
<td>Flowing</td>
 
<td>Flowing</td>
−
<td>123</td>
+
<td>Calculated the same way as for the '''Gas Flowing''' case</td>
 +
<td>Calculated as absolute open flow (AOF).<BR>Use [[JD]]=1.27.</td>
 
</tr>
 
</tr>
  
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<td>Oil</td>
 
<td>Oil</td>
 
<td>Artificial Lift (ESP, Rod Pump, PCP)</td>
 
<td>Artificial Lift (ESP, Rod Pump, PCP)</td>
−
<td>123</td>
+
<td>Calculated by setting the flowing bottomhole pressure (Pwf) equal to the fluid level at the pump depth.<BR>Use the current value of [[JD]].</td>
 +
<td>Calculated as absolute open flow (AOF).<BR>Use [[JD]]=1.27. <BR>Note: If WOP > all lift capacities thats good, must engineer a higher performance system.</td>
 
</tr>
 
</tr>
  
 
</table>
 
</table>
  
 +
===3. Enhancement Opportunities and Execution===
 +
[[Enhancement| Enhancement opportunities]] are identified by calculating the performance gap deriving from the difference between the [[Production Potential]] and actual well rates.
  
−
"WO POTENTIAL" is calculated by using the largest tubing practical that will fit in the current well bore with a WHP equal to current line pressure.  
+
Then list of opportunities is ranked by production increments.  
  
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две ветки:
+
As a result, the [[:category:Enhancement List | Well Enhancement List]] is generated with the best candidate on the top.
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flowing (tub, ann, tub+ann)
 
−
not flowing (или ESP или PCP и тп)
 
−
две категории:
 
−
ENHANCED
 
−
WO ENHANCED
 
−
по flowing:
 
−
ENHANCED - так же как в Gas Enh List
 
−
WO ENHANCED - AOF
 
−
по not flowing:
 
−
ENHANCED - считаем BHP при Hd=Htub, считаем ql для этого BHP через IPR
 
−
WO ENHANCED - AOF
 
−
для JD при расчете AOF:
 
−
GAS - if JD<0.13 JD=0.13 else JD
 
−
OIL - if JD<1.27 then JD=1.27 else JD
 
  
−
Misha, I think that we need two
+
The performance gaps are closed by executing the [[Enhancement| Enhancements]].
−
potential calculations(columns)
 
−
for flowing wells:
 
  
−
1. "WHP POTENTIAL" is calculated
+
The success is tracked by [[Enhancement Tracking]] workflow.
−
      by by setting the WHP equal
 
−
      to the current line pressure at the
 
−
      well head. Use estimated current
 
−
      Jd.
 
  
−
2. "WO POTENTIAL" is calculated by
+
==Discussion==
−
      using the largest tubing practical
+
[[:Category:Enhancement List | Enhancement List]] compiles the proven to work technologies into a practical management tool. It's implemented as a programing code of algorithms of the [[:Category:E&P Portal | E&P Portal]]. The code can be set up in the company database or in the cloud so that [[:Category:Enhancement List | Enhancement List]] will be automatically calculated on a daily basis. Such implementation allows management and engineers know and manage the [[Production Potential]] in real time.
−
      that will fit in the current well bore
 
−
      with a WHP equal to current line
 
−
      pressure. Use a Jd ~ 0.13. The
 
−
      assumption is that we will mitigate
 
−
      the current skin with better
 
−
      completion during the workover.  
 
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      The largest tubing size is
 
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      approximately the casing drift
 
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      diameter minus the tubing
 
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      coupling diameter > 0.75
 
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      Inches for clearance. Then
 
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      convert this to the nearest
 
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      standard tubing OD, 2 7/8, 3 1/2,
 
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      4, 4 1/2, 5, 5 1/2, 6, 6 5/8, 7,
 
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      7 5/8, etc,
 
  
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The potential gap should be sorted
+
==See also==
−
based on the "WHP POTENTIAL"
+
[[Maximizing Petroleum Reservoir Production Using Gap Analysis]]
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since this is the easiest and cheapest
+
[[Category:E&P Portal]]
−
enhancement to execute.
 
−
 
 
−
Your horseshoe should be based
 
−
on the "WO POTENTIAL" since this
 
−
Is the actual potential of the currently
 
−
constructed well bore.
 
−
 
 
−
You should always display AOFs
 
−
in one of the columns.
 
−
 
 
−
These rules apply to all flowing
 
−
wells unless the workover installs
 
−
artificial lift of some sort.
 
−
 
 
−
Artificial lift is a different sheet and
 
−
we can spec it later, since it doesn't
 
−
apply to us at this time.
 
−
 
 
−
 
 
−
There should be on two categories,
 
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current and enhanced.
 
−
 
 
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Enhanced is Jdfrac=1.0, Pwf=fluid
 
−
level at pump depth, Pipe=big.
 
−
 
 
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If enhanced q > all lift capacities
 
−
that good, must engineer a higher
 
−
performance system.
 
  
−
For enhanced we used the AOF at
+
{{#seo:
−
Yukos.
+
|title=Oil and Gas Production Enhancement List
−
 
+
|titlemode= replace
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Need to develop a simple algorithm
+
|keywords=Production Enhancement, Oil and Gas
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for Jd. You can't get Jd=1 for high
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|description=Enhancement List is raking of oil and gas well enhancements with the best on the top.
−
k wells. Look at Cfd vs Np, etc to
+
}}
−
develop simple "estimate" algorithm.
 
−
 
 
−
[[Production Potential]] is used to rank the [[Enhancement | Enhancements]].
 
−
 
 
−
 
 
−
 
 
−
 
 
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[[Category:E&P Portal]]
 

Latest revision as of 08:22, 5 September 2019

Brief

Enhancement List is a workflow for identifying the performance gaps based on the Gap Analysis.

The workflow produces the Enhancement List which is a ranking of the Enhancements with the best on the top.

Routine execution of the identified Enhancements unlocks the pathway to Production Potential and results in more production, improved recovery and increased earnings.

Enhancement List

Enhancement List at the E&P Portal

Workflow

1. Current Performance

Enhancement List requires a lot of data been measured and processed and without an automated system a lot of manual work.

The minimum required data set is:

2. Production Potential

Production Potential is calculated:

WHP and WOP

  • Wellhead Potential (WHP) - is the maximum rate that can be achieved with existing well equipment with no workover (Choke open, Speedup the ESP, etc).
  • Workover Potential (WOP) - is the maximum rate that can be achieved with workover. The assumption is that the current skin will be mitigated with better completion during the workover. And the largest tubing practical that will fit in the current well bore will be used.

Below is the Production Potential calculation logic of the E&P Portal:

Well Primary Fluid Well Operating Type Wellhead Potential (WHP) Workover Potential (WOP)
Gas Flowing Calculated with Nodal Analysis using the PQplot by setting the flowing wellhead pressure (FWHP) equal to the current flowing line pressure (FLP) at the well head.
Use the current value of JD.		 Calculated with Nodal Analysis using the PQplot by using the largest tubing practical that will fit in the current well bore with a FWHP equal to the current FLP. The largest tubing size is approximately the casing drift diameter minus the tubing coupling diameter > 0.5 inches for clearance (see Pipe Catalog).
Use JD=0.13.
Oil Flowing Calculated the same way as for the Gas Flowing case Calculated as absolute open flow (AOF).
Use JD=1.27.
Oil Artificial Lift (ESP, Rod Pump, PCP) Calculated by setting the flowing bottomhole pressure (Pwf) equal to the fluid level at the pump depth.
Use the current value of JD.		 Calculated as absolute open flow (AOF).
Use JD=1.27.
Note: If WOP > all lift capacities thats good, must engineer a higher performance system.

3. Enhancement Opportunities and Execution

Enhancement opportunities are identified by calculating the performance gap deriving from the difference between the Production Potential and actual well rates.

Then list of opportunities is ranked by production increments.

As a result, the Well Enhancement List is generated with the best candidate on the top.

The performance gaps are closed by executing the Enhancements.

The success is tracked by Enhancement Tracking workflow.

Discussion

Enhancement List compiles the proven to work technologies into a practical management tool. It's implemented as a programing code of algorithms of the E&P Portal. The code can be set up in the company database or in the cloud so that Enhancement List will be automatically calculated on a daily basis. Such implementation allows management and engineers know and manage the Production Potential in real time.

See also

Maximizing Petroleum Reservoir Production Using Gap Analysis

Pages in category "Enhancement List"

The following 5 pages are in this category, out of 5 total.

E

G

I

P

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