Main Products: Floating Valve ,Hydraulic Pressure Damping Load ,Oil Pressure Tapered Stabilizer ,Adjustable Tapered Stabilizer ,Integral Screw Stabilizer
API standard oilfield Cross-over sub(X-coupling/X-over Sub)/Connection
USD $1 - $1,000 /Piece
Min.Order:1 Piece
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Dongying Nera Petroleum Mechanical Manufacture Co., Ltd.
Business Type: Manufacturer,Trading Company
Shandong ChinaMain Products: Floating Valve ,Hydraulic Pressure Damping Load ,Oil Pressure Tapered Stabilizer ,Adjustable Tapered Stabilizer ,Integral Screw StabilizerProduct Details
Description:
Cross-over sub acts for conversion and connection of drill stem component in petroleum, natural gas and geology drilling work.
It is used mainly for connecting of upper drill tools and lower drill tools during drilling operations.
Cross-over sub is API standard Material is AISI 4145H chromium-molybdenum steel.
We can offer Kelly cross-over sub, Drill pipe cross-over sub, Interim cross-over sub, Drill collar cross-over sub, Drill bit cross-over sub, Swivel cross-over sub, Fishing cross-over sub, etc.
Technical specification and parameters for Cross-over Sub | ||||
Sort | Description | Upper Connection Part | Lower Connection Part | Type |
1 | Kelly cross-over sub | Kelly | Drill pipe | A or B |
2 | Drill pipe cross-over sub | Drill pipe | Drill pipe | A or B |
3 | Interim cross-over sub | Drill pipe | Drill collar | A or B |
4 | Drill collar cross-over sub | Drill collar | Drill collar | A or B |
5 | Drill bit cross-over sub | Drill collar | Drill bit | A or B |
6 | Swivel cross-over sub | Swivel lower sub | Kelly | C |
7 | Fishing cross-over sub | Kelly | Drill pipe | C |
Drill pipe | Fishing tools | |||
Note:
Type A stand for same diameter: one crossover sub has on size (D) on O.D., code A
Type B stand for reduce type: one crossover sub has two size (D1&D2) on O.D., code B
Type C is left hand thread type: the connection thread is left hand type, code C
SKYPE:cynthia_20071
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