Product Description
Basic Info.
| Certificate: |
ISO |
| Type: |
Petroleum Drilling Tool & Accessory |
| Usage: |
Offshore Oil and Gas Field Exploitation Machinery |
| Export Markets: |
Global |
Additional Info.
| Trademark: |
Solidkey |
| Packing: |
Plywood Case or as Ur Requirments |
| Standard: |
API Spec 7& ISO 9001: 2008 |
| Origin: |
China |
| Production Capacity: |
300 PCS /Momth |
Product Description
Material: 4145H alloy steel and are in accordance with API specification.
Use: Crossover sub converts and connects drill stem components in petroleum, natural gas and geology drilling work. It is used to connect the upper drilling tools and lower drilling tools during drilling operations.
Crossover sub acts for conversion and connection of drill stem components. It's used to connect lower drill tools and upper drill tools while the lower connections is not matched with the upper connections. The crossover subs are made from 4145H alloy steel, that are heat-treated according to drill collar specifications to ensure a hardness range of 285-341. Brinell. Charpy "V" notch minimum impact strength of 40 ft-lb at 700F are guaranteed one inch below the surface. It acts as connecting and change-over, deliver torque function in different types of drill tools. All connections are phosphated or coppered coating to minimize galling on initial make-up and drilling operation.
Remarks:
Type A: One crossover has one same OD.
Type B: One crossover has two sizes OD.
Type C: The connection type is left hand type.
| Item |
Description |
Upper connection |
Lower connection |
Size |
Type |
| 1 |
Kelly crossover sub |
Kelly |
Drill pipe |
All size |
A or B |
| 2 |
Drill pipe crossover sub |
Drill pipe |
Drill pipe |
All size |
A or B |
| 3 |
Crossover sub |
Drill pipe |
Drill collar |
All size |
A or B |
| 4 |
Drill collar Crossover sub |
Drill collar |
Drill collar |
All size |
A or B |
| 5 |
Drill Bit crossover sub |
Drill collar |
Drill bit |
All size |
A or B |
| 6 |
Fishing crossover sub |
Kelly |
Drill pipe |
All size |
C |
| Drill pipe |
Fishing tool |
All size |
C |
| Type |
Size (in) |
Standard |
σ b
(MPa) |
σ 0.2
(MPa) |
δ 4
% |
Akv
(J) |
HB |
| Crossover Sub |
3 1/8~6 7/8 |
API Spec. 7 |
≥ 965.3 |
≥ 758 |
≥ 13 |
--- |
> 285 |
| 7~10 |
≥ 931 |
≥ 689 |
| 3 1/8~7 3/4 |
SY5200-93 |
≥ 965 |
≥ 760 |
≥ 13 |
≥ 54 |
285~340 |
| 8~11 |
≥ 930 |
≥ 690 |
277~340 |
| MATERIAL |
4145H |
REFERENCE |
Sub crossover 4-1/2 IF Box x 3-1/2 IF Pin |
| Sub crossover 3-1/2 IF Box x 4-1/2 IF Pin |
| Sub crossover NC46 Box x 6-5/8 REG Box |
| Sub crossover NC56 Box x 6-5/8 REG Box |
| Sub crossover NC56 Box x 7-5/8 REG Box |
| Payment Terms: | .TT/LC/DP/DA |
| |
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