What is Cerberus for Well Intervention?
Cerberus for Well Intervention consists of one or both of
the following modules:
Forces Modeling
is used to analyze any operation involving the deployment of
tools into and out of a well on cable, pipe or coiled tubing.
By analyzing the cumulative forces acting downhole at each
stage of the job, the program is able to determine whether
the target depth can be reached, the desired tasks performed,
and the equipment safely returned to surface. The main
purpose is to determine the viability of a particular job
design and hence improve the safety and efficiency of
operations. Its most important feature is the ability to
model conditions in deviated and horizontal wellbores.
Cerberus is also the only commercial program able to model
all three conveyance methods in one package, making it
invaluable for choosing the best well entry technique in
marginal conditions. Customers may license the software to
run one, two or all three methods, with the price varying
accordingly.
Wellbore Hydraulics Modeling
is used to calculate the pressures and flowrates during a wide
variety of workover operations, in order to optimize the job
design and equipment selection. Applications include
circulating, acidizing, cleaning, lifting, drilling, velocity
strings and injection. You can perform single snapshot
calculations or simulate a complex sequence of events using a
Stage Table.
Other versions of Cerberus include Cerberus for Coiled
Tubing, Cerberus for Wireline and Cerberus for Drilling.
What applications can I model with Cerberus?
As you can see from the list below, you can model just
about anything that involves running tools into a
well. |
- Open hole logging
- Cased hole logging
- Drilling, conventional and underbalanced
- Workover operations
- Tubing Conveyed Perforating (TCP)
- Pipe Conveyed Logging (PCL)
- Slickline operations
- Fishing
| - Snubbing (HWO)
- Coiled tubing operations
- Perforating on cable
- Running casing, liners or tubing
- Running completions
- Plug and abandonment (P and A)
- Flowlines and Risers, servicing of
|
Note: Cerberus does not model operations
involving transients, such as jarring or perforating.
How is Cerberus typically used?
Cerberus as a Design Tool - Determine feasibility of a given conveyance
method
- Optimize BHA selection and configuration
- Reduce costly wellsite failures
- Perform jobs previously considered marginal or
impossible
- Plan new well trajectories to facilitate future
interventions
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Cerberus as a Field Tool - Is observed wellsite data within expectations?
- What are the safety limits in the event of
contingencies?
- Set thresholds for risk assumption by operator
- Monitor job at the wellsite in real-time
- Compensate for pipe or cable stretch in deviated
wells
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Cerberus as a Sales Tool - Demonstrate superior understanding of job
design
- Discuss possible contingencies with customer
- Justify equipment selection and wellsite
procedures
- Generate professional reports as a permanent
record
- Meet and exceed due diligence requirements
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Cerberus as a Training Tool - Educate new engineers on complex deployment
issues
- Test knowledge of experienced engineers
- Pre-qualify field personnel for critical
operations
- Safer than the wellsite; effective
- Simulate actual jobs using playback mode
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Who is using Cerberus?
- Service companies, for planning and executing jobs.
Existing customers include Baker Atlas (worldwide), Weatherford
(worldwide), Halliburton (worldwide), Schlumberger, and many
others.
- Operators, for choosing intervention methods for existing
wells, and planning new wells with future intervention
requirements in mind. Existing customers include BP,
ExxonMobil, Shell, and many others.
- Tool companies, to justify selection of specific tools for
a given application.
- The software has been thoroughly field-proven to be highly
accurate and reliable, and has received several industry awards
for engineering excellence since its introduction in 1995,
including Hart's E and P Meritorious Engineering Award for
2001.
What answers does Cerberus provide?
Many of the calculations are similar for all three
conveyance methods, but some are specific, so we have divided
the information into categories. Click on the following options
to see how Cerberus presents results for each.
What else does it do of special interest?
As well as planning for day-to-day operations, Cerberus has
a number of special features to help the user anticipate or deal
with contingencies like the following:
- Packer and Completion Analysis (PACA) ("tube
movement")
- Stuck pipe and back-off operations (locating the stuck
point, finding the neutral point)
- Differential sticking, anticipating and recovering
from
- Buckled production tubing
- Advanced tool fit calculations (what size toolstring will
pass around a dogleg)
- Tractor pull requirements
- Fluid flow effects (tools pushed uphole by production,
pumping tools downhole from surface)
- Extended reach design