API 7K Safety Slips for Oil Drilliing Handling
Function:
Safety slips are tools for handing flush joint pipe and drill collar.
Size:
Two size, one is used for diameter of pipe from 3 1/2" to 15 5/8"(88.9mm-396.9mm),the other is for 1 1/8" to 4 1/2"(28.6mm-114.3mm).
Detailed specification:
Technical specification and parameters for Safe Slips | |||||
Type |
OD of pipe |
No. of chain link |
Weight |
||
mm ( in ) |
kg |
lb |
|||
WA-C |
88.9-117.5(31/2-45/8) |
7 |
20.9 |
46 |
|
114.3-142.9(41/2-55/8) |
8 |
25.0 |
55 |
||
139.7-168.3(51/2-65/8) |
9 |
27.7 |
61 |
||
165.1-193.7(61/2-75/8) |
10 |
29.1 |
64 |
||
190.5-219.1(71/2-85/8) |
11 |
31.3 |
69 |
||
215.9-244.5(81/2-95/8) |
12 |
32.7 |
72 |
||
241.3-269.9(91/2-105/8) |
13 |
40.0 |
88 |
||
266.7-295.3(101/2-115/8) |
14 |
41.8 |
92 |
||
292.1-230.7(111/2-125/8) |
15 |
44.0 |
97 |
||
317.5-346.1(121/2-135/8) |
16 |
46.3 |
102 |
||
342.9-371.5(131/2-145/8) |
17 |
48.6 |
107 |
||
368.3-396.9(141/2-155/8) |
18 |
50.9 |
112 |
||
WA-T |
28.6-50.8(11/8-2) |
4 |
16.3 |
36 |
|
54.0-82.6(21/8-31/4) |
5 |
18.2 |
40 |
||
88.9-114.3(31/2-41/2) |
6 |
20.0 |
44 |
||
Type |
OD of pipe(in) |
No. of chain link |
Type |
OD of pipe (in) |
No. of chain link |
MP-S |
2 7/8”~4 1/8” |
7 |
15 7/8” ~17” |
17 |
|
4”~5” |
8 |
17”~18 1/2” |
18 |
||
4 1/2”~5 5/8” |
7 |
18 1/8”~19 3/8” |
19 |
||
MP-R |
5 1/2”~7” |
8 |
MP-XL |
19 3/8”~20 3 /8” |
19 |
6 3/4”~8 1/4” |
9 |
20 3/8”~21 1/2” |
20 |
||
8”~9 1/4” |
10 |
21”~22 5/8” |
21 |
||
9 1/4”~10 1/2” |
11 |
22 5/8”~23 3/4” |
22 |
||
MP-M |
10 1/2”~11 1/2” |
12 |
23 3/4”~24 7/8” |
23 |
|
11 1/2”~12 1/2” |
13 |
24 7/8”~26” |
24 |
||
12 1/2”~13 5/8” |
14 |
26”~27 1/8” |
25 |
||
13 5/8”~14 3/4” |
15 |
2 3/8”~30 1/2” |
28 |
||
14 3/4”~15 7/8” |
16 |
||||
Usage caution and maintenance:
1) Select the suitable Number of chain links according to various type of pipe or drill tools before operation;
2) Whether the connecting pins and spilt cotters are good or not should be checked before the operation;
3) The surface of the safety clamps should be always kept clean and lubricated against rusty;
4) Often check the wear condition of the dies .The dies should be replaced entirely in time once found it is worn out , be careful do not use old dies with the new one at the same time;
5) When the safety clamps are not in use for a longer time , they should be cleaned and coated with anti-rustic oil and placed in a dry place with good ventilation.
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