API
Products
Drill
pipe elevator
Casing
elevator
Drill collar
elevator
Slip
type elevator
Tubing
elevator
Sucker
rod elevator
Single
joint elevator
Elevator
links
Perfection links & Drill collar lift adaptor
Rotary
slips & Casing slips & Drill collar slips
Safety
clamps
Manual
tongs
Tubing
Spider
Roller kelly bushing
Casing bushing
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Perfection Links
General
Perfection links is designed and manufactured in line with API Spec 8C
Specification for Drilling and Production Hoisting Equipment,
in China, perfection links are modeled "SH" that is abbrivated
in Chinese alphabet for links.
Technical
Description
SH perfection links are designed for light loads. Perfection links are made
by forging, bending and electric welding of high-quality steel bar stock,
which is then heat-treated and NDT examined, perfection links are proof load
tested to 1.5 times the working load. Each perfection link of one pair is
marked with Serial Number for traceability. All the technical data and
properties of perfection links completely conform to the requirements of API
Spec 8C.
Rating loads of perfection links series are 50 ton, 65ton and 75ton. For
perfection links rated 100 ton or 150ton, contact manufacturer to order.
For perfection link compatibility purpose, not to use perfection links which
have a capacity too low for carrying the load intended (dynamic+static),
Warranty period of perfection links is 12 months from the date of field
service or 18 months from date of shipment.
Specifications data for regular perfection links are provided as follows,
orders of perfection links for field service are available.
Rated
Load |
30ton |
40ton |
50ton |
65ton |
75ton |
100ton |
150ton |
Length
(mm) |
600 |
1100 |
1100 |
1200 |
1500 |
1500 |
1740 |
800 |
1600 |
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2100 |
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Perfection
links product photo
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Drill Collar Lift Adapter
General
Drill collar lift adapter
is designed and manufactured in line with API Spec 8C
Specification for Drilling and Production Hoisting Equipment, in China, Drill collar lift adapter is often bought together with perfection links, and drill collar
lift adapter is also named DC lift adapter or DC dolly.
Technical Description
Drill collar
lift adapter is designed for lifting drill collar in drilling and workover
operation, each drill collar lift adapter is forged from one single billet
of high strength alloy steel and heat treated.
Models of
drill collar lift adapter are as follows:
Rating loads |
For drill collar elevators |
150ton |
3½, 4½, 5 |
Drill collar lift adapter can be manufactured with 4½IF or 3½IF
socket thread on rod end to be screwed into top drive save sub,
such can help operators work without bails or elevators in well
completion packages – ESP Assemblies / multiple tubing sizes to
ensure more efficient in operation. |
 
Drill collar lift adapter product photo
with application |
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