Downhole Tool Tubing and Casing EPT Couplings for Oilfield
Couplings are short lengths of pipe employed to link two joints of tubing or casing, which are painted with shade codes on their external area to reveal their grades. Couplings have inner threads (female thread sort) EPTTd to match the external threads (male thread form) of the EPTT joints of casing amp tubing. The two joints of casing amp tubing are threaded into reverse finishes of the casing amp tubing coupling.
Specification of Casing Couplings
|
Casing Coupling
|
4-1/two quot |
STC |
127.00*158.seventy five |
five.23 |
|
4-one/two quot |
LTC |
127.00*177.80 |
4.15 |
|
|
4-one/2 quot |
BTC |
127.00*225.42 |
4.fifty five |
|
|
five quot |
STC |
141.thirty*a hundred sixty five.ten |
4.sixty six |
|
|
5 quot |
LTC |
141.30*196.85 |
five.75 |
|
|
five quot |
BTC |
141.30*231.seventy eight |
five.85 |
|
|
five-1/2 quot |
STC |
153.67*171.forty five |
5.23 |
|
|
five-one/2 quot |
LTC |
153.67*203.twenty |
6.42 |
|
|
5-one/two quot |
BTC |
153.67*234.ninety five |
six.36 |
|
|
6-five/eight quot |
STC |
187.71*184.fifteen |
9.twelve |
|
|
six-5/eight quot |
LTC |
187.71*222.twenty five |
11.34 |
|
|
6-5/eight quot |
BTC |
187.seventy one*244.forty eight |
eleven.01 |
|
|
seven quot |
STC |
194.forty six*184.15 |
eight.39 |
|
|
7 quot |
LTC |
194.forty six*228.60 |
ten.83 |
|
|
seven quot |
BTC |
194.46*254.00 |
ten.54 |
|
|
7-five/eight quot |
STC |
215.90*a hundred ninety.fifty |
12.30 |
|
|
seven-5/8 quot |
LTC |
215.90*234.ninety five |
15.sixty three |
|
|
7-five/8 quot |
BTC |
215.90*263.52 |
fifteen.eighty two |
|
|
8-five/8 quot |
STC |
244.forty eight*196.eighty five |
16.23 |
|
|
eight-5/8 quot |
LTC |
244.48*254.00 |
21.67 |
|
|
eight-five/8 quot |
BTC |
244.48*269.88 |
twenty.86 |
|
|
nine-five/8 quot |
STC |
269.88*196.85 |
18.03 |
|
|
9-5/eight quot |
LTC |
269.88*266.70 |
twenty five.45 |
|
|
nine-five/8 quot |
BTC |
269.88*269.88 |
23.16 |
|
|
10-three/4 quot |
STC |
298.forty five*203.20 |
20.78 |
|
|
10-three/four quot |
BTC |
298.45*269.88 |
twenty five.seventy four |
|
|
11-3/4′ |
STC |
323.85*203.twenty |
22.sixty four |
|
|
eleven-3/4′ |
BTC |
323.eighty five*269.88 |
28.03 |
|
|
thirteen-3/8 quot |
STC |
365.12*203.20 |
twenty five.66 |
|
|
thirteen-three/8 quot |
BTC |
365.12*269.88 |
31.seventy seven |
|
|
sixteen quot |
STC |
431.eighty*228.six |
34.ninety one |
|
|
sixteen quot |
BTC |
431.eighty*269.88 |
forty.28 |
|
|
18-5/8 quot |
STC |
508.00*228.60 |
fifty one.01 |
|
|
eighteen-5/eight quot |
BTC |
508.00*269.88 |
62.68 |
|
|
twenty quot |
STC |
533.40*228.six |
43.42 |
|
|
20 quot |
LTC |
533.four*292.10 |
57.04 |
|
|
twenty quot |
BTC |
533.40*269.88 |
50.ten |
