Forum SDL-100/1, Operation Manual

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5.4 Inspections
Perform inspections in compliance with API RP 7L at
specified intervals and in inspection categories. Otherwise
the frequency of required inspections is dependent on
the conditions of use of the machine. Before inspection
remove all foreign material such as dirt, paint, lubricants,
oil, abrasion, etc. from the affected parts. Use suitable
methods such as stripping off paint, steam cleaning, sand
blasting, etc. After an operating inspection the scope and
results of the tests performed should be documented.
Periodic inspections and inspections following critical
assignments should be accomplished at the operating
location by the operators under the supervision of a
supervisor. In the event of cracks, excessive wear, etc.
contact Forum B + V Oil Tools or an authorized service
company.
INFO
The specified maintenance intervals are
recommended for the SDL during its service life.
The necessity of inspections depends primarily on
the following conditions:
- Ambient conditions
- Load cycles
- Regulatory requirements
- Period of use
- Tests
- Repairs
- Overhauls
Inspection Intervals
Category Interval Preparatory measures
I Daily - SDL on rig
II Weekly - SDL on rig
III Semi-annually
- SDL on rig
- SDL partly dismantled
IV Every year
- SDL on rig
- SDL partly dismantled
5.4.1 Inspection Following Critical Loads
Perform an inspection IMMEDIATELY following any critical
or unexpected loads. Critical loads could be:
- Loads resulting from shock when the drill pipe wedges,
- Pulling wedged drill strings,
- Holding heavy drill pipes / drill strings
- Jarring
- Operation at very low ambient temperatures
(<-20 °C / -4 °F).
5.4.2 Inspection Following Removal
Generally the SDL should be inspected immediately before
it is taken out of service temporarily or stored.
Moreover it should be inspected before putting back into
service.
- It is necessary to disassemble the SDL in an
appropriately equipped workshop to check for excessive
wear, deformation, cracks and other damage.
- Perform repair work only in compliance with the
manufacturer's recommendations. These are available
from Forum B + V Oil Tools.
- Ensure that welding work on cast parts is accomplished
only by Forum B + V Oil Tools or an authorized service
company in compliance with the welding specifications
issued by Forum B + V Oil Tools.
- If the field inspection indicates that further inspection
work is required, remove the SDL and have it inspected
in an appropriately equipped workshop.
- Check carefully for visible wear and material fatigue.
5.5 Inspection Categories
Always perform a complete inspection according to the
instructions in Categories III or IV before AND after critical
loads
5.5.1 Inspection Category I
This category consists of observing the machine
during operation for signs of inadequate operation.
Scope/Prerequisites
- During operation check the machine daily for visible
damage such as cracks, breaks, loose connecting
elements and obvious signs of wear.
Procedure:
- Visual check.
- Put all parts indicating such signs out of service and
check for proper function.
- Ensure that this check is accomplished by a person with
appropriate technical knowledge.
5.5.2 Inspection Category II
Category II includes additional tests not included in
Category I inspections.
Scope/Prerequisites
- Check for signs of corrosion, deformation, loose or
missing parts, aging processes, proper lubrication,
externally visible cracks and adjustment work.
Procedure:
- Category II inspections may require removal of certain
parts to assess the wear limits according to the
specified tolerances.
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04-2016 PN: 651520-Y-BC-D - Revision: 10 SDL
Operating Instructions
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