Lyons W.C. (ed.). Standard handbook of petroleum and natural gas engineering.2001- Volume 1
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Hoisting System
545
Wear and crocks
Sheave groove wear
Sheave wobble
Crocks ond deformation
Loose fostners
Wear and crocks
Wear and crack
MAINTENANCE:
1.
Keep clean.
2.
Lubricate bearings.
3.
Remove any rust and weather protect as required.
4.
Check and secure all fasteners.
Figure
4-20.
Traveling
block
[lo].
Reduction
of
body section
Wear and crocks
/
Grease passage
A
MAINTENANCE:
1.
Keep clean.
2.
Grease coat wear surface of clevis.
3.
Remove any rust and weather protect as required.
4.
Check and secure all pins.
Figure
4-21.
Block-to-hook
adapter
[lo].
546
Drilling and Well Completions
Excessive
effort
to
rotota
(if
so
equipped)
Fluid
leaha
(units
w
hydraulic snubber)
Loose pin
retainers
Pin wear ond pin retain
Wear
and cracks
Wear and cracks
MAINTENANCE:
1.
Keep clean.
2.
Grease coat wear surfaces.
3.
On units with hydraulic snubber check oil level and
4.
Oil pins not accessible
to
grease lubrication.
5. Remove any rust and weather protect as required.
6.
Check and secure pins and fasteners.
change
oil
at intervals recommended by manufacturer.
Figure
4-22.
Link
adapter
[lo].
Pin
weor
ond
crocks
Pin tit
ond
crocks
Excessive
extension
from
orrd
(condition
of
$prlnp)
fluid leak (units with hydroulic
snub
Wear
ond
cracks
MAINTENANCE
1.
Keep clean.
2.
Grease coat latching mechanism, link arms, and saddle.
3.
Lube
all
grease fittings.
4.
On units with hydraulic snubber check oil level and change
oil at intervals recommended by manufacturer.
5.
Oil pins not accessible to grease lubrication.
6.
Remove any rust and weather protect as required.
7.
Check and secure pins and fasteners.
Figure
4-23.
Drilling
hook
[lo].
Hoisting
System
,-Wear and cracks
Cracks
in
last thread
Excessive effort to
Latch and lever
rotate
LCracks ond wear
MAINTENANCE:
1.
Keep clean.
2.
Grease coat latching mechanism, hook, and bail throat.
3.
Grease main bearing.
4.
Oil pins not accessible to grease lubrication.
5.
Remove any rust and weather protect as required.
6.
Check and secure pins and fasteners.
Figure
4-24.
Tubing and sucker rod hook
[lo].
Ta determine strength
of
worn links. measure
with colipers. Link
copacity is that
of
weakest eye. Consult
manufacturer
for
rating.
Thickness is meosured
at top
of
upper eye
with calipers
Check ENTIRE link
for cracks
Thickness is measured
at bottom
of
lower
eye with colipers
MAINTENANCE:
PLAN SECTION
1.
Keep clean.
2.
Grease coat upper and lower eye wear surfaces.
3.
Remove any rust and weather protect as required.
Figure
4-25.
Elevator
link
[lo].
547
548
Drilling and Well Completions
,-Body cracks and gage
,-Wear of pins and holes
Cracks and
in
latch
we
of
shoulder
Broken springs
i'
Caliper for wear and
check for cracks (both ends)
MAINTENANCE:
1.
Keep clean.
2.
Grease coat link arm wear surfaces, latch
lug
and bore seat on
bottleneck elevators.
3.
Lubricate hinge pin.
4.
Remove any rust and weather protect as required.
5.
Check and secure pins and fasteners.
Figure
4-26a.
Casing, tubing, and drill pipe elevators, side door elevators
[lo].
Condition
of
shoulder
Caliper for wear and check
for cracks (both ends)
Broken springs
Cracks and wear
in
latch
gage for wear
MAINTENANCE:
1.
Keep clean.
2.
Grease coat link arm wear surfaces, latch
lug
and bore seat on
bottleneck elevators.
3.
Lubricate hinge pin.
4.
Remove any rust and weather protect as required.
5.
Check and secure pins and fasteners.
Flgure
4-26b.
Casing, tubing, and drill pipe elevators, and center latch
elevators
11
01.
Hoisting
System
549
Grease bock surface
of
slips
Weor
of
pins
and
holes
Check for broken springs
Caliper for weor
and
check for crocks
(both
sides)
Broken springs
8ody crocks -goge
for
weor (both sides)
cks
and
wear
in
latch
MAINTENANCE:
Check
'lips
1.
Keep clean.
2.
Grease coat link arm wear surfaces and latch lug.
3.
Lubricate hinge pin.
4.
Remove any rust and weather protect as required.
5.
Clean inserts. Replace when worn.
6.
Tighten all loose fasteners.
Figure 4-26c.
Casing, tubing,
and
drill pipe elevators, slip type elevators
[lo].
Freedom
MAINTENANCE:
to
*cks trunnion ond
eye
ot
of
base
boll
of
1.
2.
3.
4.
5.
Keep clean.
Grease coat rod seating area, bail throat and latch
mechanism.
Oil
pins not accessible
to
grease lubrication.
Remove any rust
and
weather protect
as
required.
Check and secure pins and fasteners.
Figure 4-27.
Sucker
rod
elevators
[lo].
550
Drilling and
Well
Completions
wear
Toper
wear and crackr
Reduction at area
Wear and cracks
Cracks and deformation
MAINTENANCE:
1.
Keep clean.
2.
Lubricate pivot and pin.
3.
Remove any rust and weather protect as required.
4.
Check and secure pins and fasteners.
Flgure
4-28. Swivel bail adapter
[lo].
Wear
and cracks
Bolts
Packing
Cracks and deformation
Pin weor
Pin retainer
Cracks
Inspect pin and
box
threads in accordance
MAINTENANCE:
with API.RP-76
fw
1.
2.
3.
4.
5.
6.
7.
8.
Keep clean.
tool
joints
Grease coat bail throat wear surface.
Lubricate bail pins, oil seals, upper bearing, and packing.
Check oil level as recommended by manufacturer.
Change oil at intervals recommended by manufacturer.
Remove
any rust and weather protect as required.
Check and secure fasteners.
Protect threads at the gooseneck inlet and on the coupling
nipple when not assembled during handling. Thread protection
should
be
used.
Figure
4-29. Rotary swivel
[lo].
Hoisting
System
551
Wear and crocks
Check
top
and bottom
diameters and taper
for
weor
Reduced
back up
Wear
due to
m
w
joints hitting
suggested
1.0.
wear
in the throat
-
MAINTENANCE: Consult rnonufacturer
1.
Keep clean.
2.
Lubricate taper before each trip.
3.
Remove any rust and weather protect as required.
Figure
4-30.
Spider
[lo].
Loose fastene
Crocks
Freedom
of
pivot
movement and
bearing weor
Loose
fasteners
Cracks
MAINTENANCE:
1.
Keep clean.
2.
Grease coat surface of wire line spool.
3.
On units equipped with load cell for weight indicator, lubricate
pivot bearing.
4.
Remove any rust and weather protect as required.
Figure
4-31.
Deadline
anchor
[lo].
552
Drilling
and
Well
Completions
Cracks in last threod
Inspect power unit in
accordance with
manutocturer's
rccomendations
Thread
Freedom
of
shaft
Inspect pin and box in accordonce
with'
API
RP-7G
tor
tool joints
MAINTENANCE:
1.
2.
3.
4.
5.
Keep clean.
Use thread compound on pin and
box,
and apply proper
makeup toque
in
accordance
with
API
RP-7G
recommendations.
Maintain power unit in accordance with manufacturer's
recommendations.
Remove any rust and weather protect as required.
Check and secure fasteners.
Figure
4-32.
Kelly spinner
[lo].
The load carrying structure should
be
checked for crocks
and deformation.
All
fasteners should be checked for
proper tightness.
Check top and bottom
diameters and taper
Check master bushing
bore
tor
wear
consult manufacturer
0.0.
and turntable
MAINTENANCE:
1.
Keep
clean.
2.
Remove any rust and weather protect as required.
Figure
4-33.
Rotary table
[lo].
Hoisting
System
553
INSPECTION:
Heave compensator designs vary considerably among manufacturers, therefore, manufac-
turers’
recommendations should
be
closely followed. In general,
load
caving members
should
be
checked for wear, cracks, flaws, and deformation. For compensators with integral
traveling block and hook adaptor, the procedures defined in Figures.
4-16
and 4-17 apply
to those
parts
of the assembly.
MAINTENANCE:
1.
Keep clean.
2.
Follow manufacturer’s recommendations for specific unit.
3.
For compensators with integral traveling block and hook adaptor, the procedures in
Figures. 4-16 and
4-17
apply to those parts of the assembly.
4.
Remove any rust and weather protect as required.
Flgure
4-34.
Heave compensator
[lo].
Ref.
4,
p.
23
INSPECTION:
Tension members for sub sea handling equipment should be inspected according
to
the manufacturers’ recommendations. In general, tension members should be checked
for wear, cracks, reduction of area and elongation.
MAINTENANCE:
1. Tension members in sub sea handling equipment should be maintained in accordance
Figure
4-35.
Tension members
of
subsea handling equipment
[lo].
with manufacturer’s recommendations.
I
Straight edge
1.
2.
3.
4.
5.
6.
Hinqe
pin
check
for
wear
Cracked wet
Insert
slat
check
for
wear
MAINTENANCE:
Keep
clean.
Check the insert slots for wear and replace inserts
as required.
Lubricate hinge pin.
Remove any rust and protect as required.
Use
straight edge to detect uneven wear or damage.
Caution:
Do
not
use
wrong size slips-Match pipe
and slip size.
Figure
4-36.
Rotary
slips
[lo].
554
Drilling
and
Well
Completions
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