casing & tubing Circulating Sub
| Min. Order: | 1 Piece/Pieces |
|---|---|
| Payment Terms: | L/C, T/T |
| Supply Ability: | 5000sets |
| Place of Origin: | Heilongjiang |
Company Profile
| Location: | Mudanjiang, Heilongjiang, China (Mainland) |
|---|---|
| Business Type: | Manufacturer, Trading Company, Distributor/Wholesaler |
| Main Products: | Drilling Tools, Fishing Tools, Workover Tools, Downhole Tools, All Kinds Of Jars |
Product Detail
| Model No.: | fill sizes |
|---|---|
| Means of Transport: | Ocean, Air, Land |
| Brand Name: | shuangjia |
| Production Capacity: | 5000sets |
| Packing: | seaworthy packing |
| Delivery Date: | 40days |
Product Description
The circulating sub is connected between wellhead pipe string and ground circulating system. when casing is running or finished running. The circulating sub is connected to make fluid circulation. According to the application, the circulating sub is connected between Kelly and casing or between hose and case. The former is used for fluid circulation during connecting of casing. The later generally is used after connecting of casing.
drilling pipe box thread | casing thread | borehole | length(mm) |
NC38 | 5″BTC | 57 | 500 |
5″LTC | |||
5″STC | |||
NC38 | 5″BTC | 57 | 580 |
5-1/2″LTC | |||
5-1/2″STC | |||
NC50 | 7″BTC | 71 | 600 |
7″LTC | |||
7″STC | |||
NC50 | 9-5/8″BTC | 71 | 620 |
9-5/8″LTC | |||
9-5/8″STC | |||
NC50 | 10-3/4″BTC | 71 | 670 |
10-3/4″LTC | |||
10-3/4"STC | |||
NC50 | 13-3/8″BTC | 71 | 670 |
13-3/8″LTC | |||
13-3/8″STC |