dsfdsfdsf Subs & Joints-Xi'an Landrill Oil Tools Co.,Ltd

 

SUBS & JOINTS 

 

1. Inside BOP     

The inside BOP is a heavy-duty drop check valve with a conical plug to reduce the cuttingaction of the mud on the valve seat, ensuring positive closure whenever required.

Connection OD of Sub ID of Sub All Length Weight
2-3/8IF 3-3/8’’—3-3/4’’ 1-1/2’’ 26’’ 27
2-7/8IF 4-1/8’’---4-1/4’’ 1-3/4’’ 28’’ 40
3-1/2IF 4-3/4’’---5-4/4’’ 2’’ 30’’ 57
4IF 6-1/4’’---6-3/4’’ 2-1/2’’ 33’’ 110
4-1/2IF 6-3/8’’---7’’ 2-12/16’’ 33’’ 120
5-1/2IF 7’’---7-1/2’’ 2-12/16’’ 33’’ 140
6-5/8IF 8’’ 2-12/16’’ 34’’ 180
7-5/8IF 9-1/2’’ 2-12/16’’ 34’’ 220

 

2. IBOP for top drive

It includes Upper IBOP for Top Drive and Lower IBOP for Top Drive. They are used for top drive drilling system with joined one by one. 
Type O.D. I.D. Connection(API) OAL
DXS187 Upper IBOP 187 77.8 6-5/8REG 572(22-1/2)
DSS187 Lower IBOP 7-23/64) (3-1/16) 523(20-19/32)
DSS197 Upper IBOP 197 77.8 6-5/8REG 572(22-1/2)
DXS197 Lower IBOP 7-3/4) (3-1/16) 523(20-19/32)
DSS216 Upper IBOP 216 77.8 6-5/8REG 600(25-5/8)
DXS216 Lower IBOP 8-1/2) (3-1/16) 512(20-5/32)
DSS254 Upper IBOP 254 102 8-5/8REG 800(31-1/2)
 
3. Kelly cock
Kelly cock is a manually operated ball type drill stem valve. It is divided into upper Kelly cock and lower kelly cock. The upper kelly cock is connected between lower end of swivel and upper end of kelly, the lower kelly cock is connected between upper end of drill pipe and lower end of kelly or connected between lower end of Kelly saver subs.
Specifications - Upper Kelly Cock
Model O.D. (mm) Thread connection (LH) I.D. (mm) Max.sealing pressure(Mpa)
CS 146 146 4 1/2 REG 50 68.6
CS 200 200 6 5/8 REG 76.2 68.6

 Specifications - Lower Kelly Cock

Model O.D. (mm) Thread connection I.D. (mm) Max.sealing pressure(Mpa)
XS105 105 NC31 41.3 68.6
XS121 121 NC38 50 68.6
XS127 127 NC38 50 68.6
XS165 165 NC46 61 68.6
XS178 178 NC50 , 5 1/2FH 71.4 68.6

 

4. Full opening safety valve

Full Opening Safety Valve is a ball type safety valve used to stop flow through the drill string when the drill string is being withdrawn from the well.

Our full opening safety valve is dual body type, so it does not interfere with the running of tools such as core barrels or survey instruments. It is designed to be stabbed into the top joint of drill pipe or tubing string at the rig floor and closed quickly in case a well kicks.  

Model XS105-T44 XS110-T51 XS124-T62 XS127-T62 XS133-T57 XS133-T57 XS134-T62
O.D. φ105 φ110 φ124 φ127 φ133 φ133 φ134
I.D. φ44 φ51 φ62 φ62 φ57 φ57 φ62
Connection 2A10X2A11 210X211 2 7/8 EUE 2 7/8 EUE XT39 4 1/2VAM 310X311
Length 732 726 578 578 773 1173 800

 

Model XS134-T62 XS146-T50.8 XS152-T76 XS152-T76 XS178-T76 XS178-T76.2 XS190-T82.6
O.D. φ134 φ146 φ152 φ152 φ178 φ178 φ190
I.D. φ60 φ50.8 φ76 φ76 φ76 φ76.2 φ82.6
Connection 4 1/2NU NC31 3 1/2NU 3 1/2 EUE 3 1/2EUE 4A10X4A11 410X411
Length 580 832 640 617 675 885 895

 
5. Pony drill collar
Pony drill collar is commonly used in oilfield drilling engineering. They are used to increase weight on bit, prevent deviation, to avoid breaking the drilling tools and so on. Pony drill collar has thick walls and other characteristics to improve the rigidity of the drill.
We can provide 3-1/2 "to 11" OD pony drill collar according to customers’ requirements.
 
6. Float valve sub
Float valve sub is a bit sub in which a float valve is installed. It’s connected at upper part of drill bit, the float valve assembly in sub is near the bit connecting thread and the float valve sub also can be necessary position of drill string.
 
Model Sub O.D.(mm) Joint connection Valve O.D.(mm) I.D.(mm)
FFJT241 241.3 7 5/8 REG žŠ121 žŠ76
FFJT228 228.6 7 5/8 REG žŠ121 žŠ76
FFJT209 209.6 6 5/8 REG žŠ121 žŠ76
FFJT203 203.2 6 5/8 REG žŠ121 žŠ71
FFJT178 177.8 4 1/2 IF žŠ98 žŠ71
FFJT165 165.1 4 1/2 REG žŠ88 žŠ57
FFJT146 146 4 1/2 REG žŠ88 žŠ57
FFJT121 121 3 1/2 REG žŠ61 žŠ51
FFJT108 108 3 1/2 REG žŠ61 žŠ38

 

7. Cross-over sub

Cross-over sub plays an important role in switching and connection of drill stem in oil and gas drilling work.
There are three types for cross-over sub in structure:
Type A: OD of the top end and bottom end are in same size.
Type B: OD of the top end and bottom end are in different size
Type C: Rotation of connection Thread is left-hand thread.

 

8. Circulating sub

The circulating sub is connected between wellhead pipe string and ground circulating system. When casing is running or finished running, it is connected to make fluid circulation. 

Thread/ Model I.D.(mm) Length(mm)
Drill pipe box connection Casing thread
NC38 5 BTC 57 500
5 LTC
5 ST & C
NC38 5 1/2 BTC 57 580
5 1/2 LTC
5 1/2 ST & C
NC50 7 BTC 71 600
7 LTC
7 ST & C
NC50 9 5/8 BTC 71 620
9 5/8 LTC
9 5/8 ST & C
NC50 10 3/4 BTC 71 670
10 3/4 LTC
10 3/4 ST & C
NC50 13 3/8 BTC 71 670
13 3/8 LTC
13 3/8 ST & C

 

9.Safety Joint:

We provide two kinds of safety joint-- AJ type safety joint and H type safety joint.
Specifications - AJ Type Safety Joint

Model O.D.  (mm) I.D. (mm) ThreadConn
AJ-C86 86 38 NC26
AJ-C95 95 44 NC26
AJ-C105 105 51 NC31 , 2 7/8NU , 2 7/8EUE
AJ-C121 121 57 NC38
AJ-C159 159 71.4 NC46 , NC50
AJ-C165 165 71.4 NC50
AJ-C178 178 71.4 NC50 , 5 1/2FH
AJ-C203 203 76 6 5/8REG
AJ-C228 228 76 7 5/8REG

Specifications - H Type Safety Joint

Model O.D.  (mm) I.D. (mm) ThreadConn
HAJ89 89 15 NC26
HAJ95 95 20 NC26
HAJ105 105 30 NC31
HAJ121 121 38 NC38
HAJ159 159 50 NC46 , NC50
HAJ165 165 50 NC46 , NC50
HAJ178 178 57 NC50 , 5 1/2FH
HAJ203 203 71.4 6 5/8 REG

 

10. Pup joint

The pup joint is used to adjust the height of full length tubing or casing strings, it is also used to adjust the depth of downhole tools.
Specifications:
Standard: API 5CT
Size: 2 3/8", 2 7/8", 3 1/2", 4 1/2"
Grade: J55/K55/N80/L80/P110
Length: 2FT/3FT/4FT/5FT/6FT/8FT/10FT/12FT

 


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Address:2-60402 Greenwich Business Suite, Jinye 2nd Road,
Hi-tech Development Zone, Xi'an China
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