Case I: Oil and Gas Drilling Wireless Data Acquisition System

lynxherringΤεχνίτη Νοημοσύνη και Ρομποτική

18 Οκτ 2013 (πριν από 4 χρόνια και 23 μέρες)

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Pakistan Oil Industry:
Indigenization of
F
ield
I
nstrumentation


Industry is the back bone of the economy of any country. This is true even for countries
that

rely
heavily on
agriculture

when it comes to the energy and material sector. Oil and Gas, Refining

and Chemicals Industries in Pakistan can play a pivotal role in the long awaited industrialization
of country.
Keeping this importance in mind this document focuses on Oil and Gas industry of
Pakistan and proposes support in the field of instrumentation.
The target is to help the industry
achieving self reliance in logging monitoring and control applications by providing integrated
solutions based on rugged standardized off the shelf components.

We propose National Instruments Platform as the base for thi
s development with other platforms
entering as and when needed. The expertise of industry operators and developers can be
combined to identify develop and deploy such solutions rapidly. This
document

tries to
present
the case by narrating few such scenario
s so that the point is clear enough for a concrete starting
ground.

Case I: Oil and Gas Drilling Wireless Data Acquisition System

The drilling services company often needs a wireless approach to collect data from trucks that
pump and meter various chemical
s into wells for the purpose of fracturing or lining the well.
Without wireless connectivity, each truck must be individually and uniquely hardwired to the
central system. In the past, the resulting wiring had challenged field operations.
The challenge is
a
ccessing data in an existing well
-
site application across a wireless network with data collection
capabilities of its own that can be combined with information from the wireless systems.

The
Solution is to

develop a system that can automatically connect t
o any wireless system in range
and start streaming data from it.


Figure
-
1
(
The Wireline Truck
)

As each truck enters the job site, it automatically connects to the wireless network, where it can
select the appropriate data to be used in the main applicati
on. The data list updates automatically
with available channels as additional trucks arrive on
-
site. Each data node also has a bar code
reader that allows the truck operator to send commands to the main application when the truck
operator performs specific

operations. The main application logs these bar code commands to
indicate when an event has taken place. Alternatively, a job manager can use the reader on one of
the trucks to control the main application itself by sending commands such as record, pause,

zero
job, zero stage, or average values.


Figure
-
2
(
Compact FieldPoint
)

Using LabVIEW software and Compact FieldPoint hardware, we can provide customer
with a cost
-
effective tool that allows a drilling team and engineers to collect the data they
need. Th
is tool can reduce the amount of lost data due to connections being severed by
vehicles traveling over the wires on the ground, providing a more complete data
representation of the process.

As a backup for situations in which a wireless connection cannot
be used, the data nodes
can also connect to the main application through a wired connection. Regardless of the
connection technique, the main application automatically adds to the list of available
channels from each truck as it connects to the network. Th
is process works because the
data node’s program continuously sends out a signal to the main application, adding the
data node’s information to a list of available trucks, whether wireless or wired. Likewise, if
a truck connection fails, the main applicati
on returns a specific negative value to the main
application as an indicator that the data is not being received.



Case II: Using NI FieldPoint and LabVIEW to Perform Redundant Drilling Control on Oil
Drilling Operation


Figure
-
3 (An A
dvance
d

Coiled Tub
ing D
rilling
S
ystem
)

Over the pa
st several years,

groundbreaking coiled tubing drilling (CTD) operations have been
opening the door to a host of cost
-
effective, new techniques for exposing bypassed oil reserves
and enhancing well productivity. CTD uses a
long, continuous length of pipe wound on a spool.
The pipe is straightened prior to pushing it into a wellbore and recoiled to spool the pipe back
onto the transport and storage spool. Because connection time is eliminated during tripping,
Schlumberger use
s coiled tubing so operations proceed quickly when compared to using a
jointed pipe drilling rig.

While the CDT system provided numerous benefits, including greater safety and efficiency,
reduced environmental impact, minimized formation damage, and impro
ved drilling
pe
rformance. O
pera
tion managers at such sites are

seeking a customized integration system.
They wanted to implement an automated backup for their drilling technicians and operators, to
provide a backup controller for their computer operations,

and to standardize the operator
interfaces on different pump equipment. Designing a customized system to meet these needs
would create built
-
in redundancy for extra security and could save lives as well as money.


The challenge in this case is creating a
monitoring alarm system with control and shutdown
capabilities to prevent costly pump damage and environmental hazards and make the job
of the pump operator safer and easier. This can easily be done by designing a reliable
custom control system using NI Fi
eldPoint hardware and LabVIEW Real
-
Time software.




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