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Product Detail
DRILL STEM ACCESSORIES
Pup joints:
Any type of pub joints is made from the same material as our drill collars. All connections are phosphate coated to improve resistance to galling. Standard lengths are 5ft,10ft, 15ft, 20ft, and additional sizes are available upon request. Integral pub joints have the same properties in tensile, yield and torsion as compared with S-135 which has the same ID, All products are conformed with API Specification.
Lift subs and lift plugs:
Lift subs and lift plugs are manufactured to the same specifications used for drill collars.
(A) Lift plug plate diameter is approximately 2 Inches larger than drill collar diameter.
Lift subs can be ordered with top connection.
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Lifting size for drill collar |
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No. |
|
Inside diameter d/mm |
Connection of pin thread |
Lifting end |
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|
Thread type |
Outside Diameter DP ± 0.08( ± 1/32)mm(in) |
Bevel Diameter DF/mm |
Length of tong snap-in LPB/mm |
Outside Diameter DB ± 0.08mm |
Round angle radius of elevator shoulder end RSE ± 0/04mm |
Length of tong snap-in LB/mm |
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1 |
73.0(2 7/8) |
31.8 |
NC23 |
79.4(3 1/8) |
76.2 |
250.0 |
111.1 |
4.8 |
100.0 |
|
2 |
44.5 |
NC26(2 3/8) |
88.9(3 1/2) |
82.9 |
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3 |
88.9(3 1/2) |
54.0 |
NC31(2 7/8) |
104.8(4 1/8) |
100.4 |
127.0 |
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4 |
50.8 |
NC35 |
120.7(4 3/4) |
114.7 |
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5 |
68.3 |
NC38(3 1/2IF£© |
127.0(5) |
121.0 |
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6 |
127.0(5) |
71.4 |
NC44 |
152.4(6) |
144.5 |
168.3 |
6.4 |
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7 |
158.8(6 1/4) |
149.2 |
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8 |
82.6
95.3 |
NC46(4IF) |
158.8(6 1/4) |
150.0 |
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9 |
165.1(6 1/2) |
154.8 |
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10 |
171.5(6 3/4) |
159.5 |
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11 |
NC50(4 1/2IF) |
177.8(7) |
164.7 |
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12 |
184.2(7 1/4) |
169.5 |
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13 |
NC56 |
196.8(7 3/4) |
185.3 |
300.0 |
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14 |
203.2(8) |
190.1 |
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15 |
6 5/8REG |
209.6(8 1/4) |
195.7 |
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16 |
NC61 |
228.6(9) |
212.7 |
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17 |
7 5/8 REG |
241.3(9 1/2) |
223.8 |
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18 |
NC70 |
247.7(9 3/4) |
232.6 |
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19 |
254.0(10) |
237.3 |
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20 |
NC77 |
279.4(11) |
260.7 |
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