API Circulating Head
group nameDrilling Tools
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Min Order2 piece
modelcirculating head
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update timeMon, 08 Apr 2013 00:11:28 GMT
Paramtents
Processing Type Casting
Machine Type Drilling Equipment
Type Other
Use Well Drilling
Certification API
Material Carbon Steel
Packging & Delivery
Min Order2 piece
Briefing
2. API certificate
3.high quality
Detailed
1. circulating head
2. API certificate
3.high quality
Circulating head
Circulating head is a specialized tool for circulating drilling fluid when running in casing on the way or finishing running casing downhole. According to actual needs, there are circulating head with casing thread and circulating head with union thread(all size).
connection | Water hole I.D. mm | Length mm | |
Drill pipe thread | Casing thread | ||
NC38 | 5" BTC | 57 | 500 |
5" LTC | |||
5" STC | |||
NC38 | 5 1/2" 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" STC | |||
NC50 | 13 3/8" BTC | 71 | 670 |
13 3/8" STC | |||
