Jereh Petroleum:wellhead tools,-Bit Breaker,roller Kelly bushings,lifting cap,lifting bail,lifting sub and so on.

Jereh Petroleum:wellhead tools,-Bit Breaker,roller Kelly bushings,lifting cap,lifting bail,lifting sub and so on.

wellhead tools,Wellhead Tools

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Wellhead Tools

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Drill Pipe Rotary Tool, Lifting Cap, Lifting Sub, Roller Kelly Bushings, Ditch Magnets, Drill Bit Breaker, Three Cone Bit Breaker etc.

wellhead tools1Bit Breaker

The bit breaker is a special tool for make-up and break out of drill bit.

  Technical Specifications and Parameters for Bit Breaker.
NO. Bit Size Range Thread Type A(mm) B(mm) C(mm) D(mm)
1 93.7~114.3 2-3/8” REG 82.55 339.73 66.68 31.75
2 115.1~127 2-7/8” REG 92.03 339.73 76.20 31.75
3 127.8~139.7 3-1/2” REG 114.30 339.73 104.78 38.10
4 140.5~177.0 3-1/2” REG 120.65 339.73 104.78 38.10
5 177.8~187.3 3-1/2” REG 127.00 339.73 104.78 38.10
6 188.1~208.8 4-1/2” REG 153.75 339.73 139.70 44.45
7 209.6~219.1 4-1/2” REG 171.45 339.73 149.23 44.45
8 222.3~238.1 4-1/2” REG 177.8 339.73 149.23 44.45
9 238.9~241.3 6-5/8” REG 187.33 377.83 158.75 44.45
10 241.7~276.2 6-5/8” REG 203.30 377.83 171.45 57.15
11 279.4~368.3 6-5/8” REG 247.65 377.83 203.20 57.15
12 369.9~469.9 7-5/8” REG 292.10 711.20 244.48 63.50

wellhead tools 2Roller Kelly Bushing

The roller Kelly bushings are the main tool allocated for drilling equipments, and available with different specifications according to different Kelly sizes. There are also different types in each specification, which are light, middle and heavy type.

  Technical Specifications and Parameters for roller Kelly bushing.
Kelly Size Height(mm) Pedestal(mm) Taper
In. mm Upper Parts Lower Parts Across Sides Large End
3-1/2”  88.9 406 356 332 Φ332 1:3
4-1/4” 107.95
5-1/4” 133.35

wellhead toolsLifting Cap

The lifting cap is a special tool for lifting of drilling tools in petroleum, natural gas, drilling engineering and geographical exploration. And the lifting caps are available in integral type and circular type, which is called as lifting bail.

  Technical Specifications and Parameters for lifting cap.
Thread Code O.D.(mm) Length (mm) Thread Code O.D.(mm) Length (mm) Thread Code O.D.(mm) Length (mm)
731 210 280 730 230 290 430 160 270
631 190 270 630 200 280 431 150 260
411 155 260 410 155 270 330 130 260
4A11 150 260 4A11 150 270 331 80 250
311 115 250 310 110 260 2A30 80 230
211 100 190 210 89 250 2A31 80 220
2A11 89 180 3-1/2”EUE 95 220 2-7/8”EUE 80 210
2-7/8”EUE 80 200            

  Technical Specifications and Parameters for lifting bail.
Thread Code O.D.(mm) Length (mm) Thread Code O.D.(mm) Length (mm) Thread Code O.D.(mm) Length (mm)
731 241 500 730 241 610 630 210 580
631 210 480 410 178 510 411 178 450
4A11 165 520 4A11 165 440 430 146 510
431 146 440 330 127 400 331 127 420
310 127 500 311 127 420 210 127 400
211 127 380 230 127 370 231 127 382
NC23P 127 370 NC23P 127 380 2A11 127 370

wellhead tools2Drill Tool Lifting Sub

The drill tool lifting sub is the special tools for lifting of the drill tools in petroleum, natural gas industry and geologic exploration. The drill tool lifting sub is divided into A or B type structure. The A type has 18 degree shoulder, the B type has 90 degree shoulder. The lifting sub can be selected according to elevator’s structure. The integral lifting subs are made of high strength alloy steel. All connections are complied with API standard.

  Technical Specifications and Parameters for drill tool lifting subs.
NO. Nomi SizeD ± 0.1mm (in.) I.D.d/mm External Thread Connection Lifting End
Thread Type O.D.DP ± 0.1mm (in) BevelledDE
/mm		 Tong SpaceLPB
/mm		 DB ± 0.1 Tong SpaceLB
/mm
1 73 (2-7/8) 31.8 NC23 79.4 76.2 250 111.1 100
2 44.5 NC26 (2-3/8”) 88.9 82.9
3 89 (3-1/2) 54 NC31 (2-7/8”) 104.8 100.4 127
4 50.8 NC35 120.7 114.7
5 68.3
 NC38 (3-1/2”) 127 121
6 127 (5) 71.4 NC44 152.4 144.5 168.3
7 158.8 149.2
8 82.6 NC46 (4” IF) 158.8 150
9 165.1 154.8
10 171.5 159.5
11 127 82.6 NC50 (4-1/2” IF) 177.8 164.7 250 168.3 100
12 184.2 169.5
13 NC56 196.8 185.3 300
14 203.2 190.1
15 95.3 6-5/8” REG 209.6 195.7
16 NC61 228.6 212.7
17 7-5/8” REG 241.3 223.8
18 NC70 247.7 (9-3/4”) 232.6
19 254 (10”) 237.3
20 NC77 279.4 (11) 260.7