Jereh Petroleum:accident remedy tools,Impressions Block,safety joint,reversing sub,mechanical internal cutter,hydraulic external cutter,Cutter and so on.

Jereh Petroleum:accident remedy tools,Impressions Block,safety joint,reversing sub,mechanical internal cutter,hydraulic external cutter,Cutter and so on.

accident remedy tools

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Accident Remedy Tools

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Safety Sub(H Type & AJ Type), Mechanical Internal Cutter, Mechanical External Cutter, Hydraulic Internal Cutter, Back Off Sub, Impression Block, etc.

accident remedy tools 1Impressions Block

The impressions block is used for finding the correct depth of fish, check the shape of fish top and the deformed shape of internal diameter of casing etc. The impression blocks are available in flat-bottom type and conical type.

  Technical Specifications and Parameters for flat-bottom impression block.
Specification Thread Connection I.D. of Lead Die Length (mm) Total Length
O.D. (mm) Thread Type (in)
270 203 6-5/8 REG 40 150 450
225 165 4-1/2 IF 40 130 400
195 159 4 IF 30 120 350
170 121 3-1/2 IF 30 120 300
120 108 2-7/8 IF 20 100 300
100 89 2-1/2 ZG 20 100 250

accident remedy tools 2Safety Joint

The H type safety joint, which is installed on the position required for subsurface drill stem and can bear in fishing operation all kinds of loads for pulling or pressing and used to transmit torque is a subsurface safety equipment. In down hole operation, in case of being needed, the safety joint is easy to be discharged off so as to take out the drill stem above it. It is easy to butt the safety joint to go on fishing operation when running in hole again.
The AJ type safety joint is a specialized joint consisting of two parts. The specialized joint takes protective effect for drilling stem in drilling, repairing and test oil / gas engineering, etc. it is used to treat well bottom accident and used to be on-the-way test in drilling and coring operation. It is connected to the required position of drilling stem to protect drilling stem without any influence on the normal working of drilling tool.

  Technical Specifications and Parameters for H type safety joint.
Model O.D. (mm) Threads API I.D. (mm) Max Working Pull Load (KN) Max. Working Torque (KN.m)
HAJ-105 105 NC31 (2-7/8” IF) 38 1340 12.70
HAJ-121 121 NC38 (3-1/2” IF) 38 1400 17.65
HAJ-156 156 NC50 (4-1/2” IF) 50 1500 35.00
HAJ-159 159 NC50 (4-1/2” IF) 50 1600 35.00
HAJ-178 178 5-1/2” FH 80 2000 40.00
HAJ-203 203 6-5/8” REG 90 2500 44.00

  Technical Specifications and Parameters for AJ type safety joint.
Model O.D. (mm) Threads API I.D. (mm) Max Working Pull Load (KN) Max. Working Torque (KN.m)
AJ86 (3-3/8”) 86 NC26 (2-3/8” IF) 44 1395 9200
AJ95 (3-3/4”) 95 2-7/8” REG 32 1536 12100
AJ105 (4-1/8”) 105 NC31 (2-7/8” IF) 54 2205 17900
AJ121 (4-3/4”) 121 NC38 (3-1/2” IF) 62 2612 24500
AJ146 (5-3/4”) 146 NC46 (4” IF) 71 3802 46200
AJ159 (6-1/4”) 159 NC50 (4-1/2” IF) 82 4938 60600
AJ178 (7”) 178 NC50 (4-1/2” IF) 82 5568 76300
AJ203 (8”) 203 6-5/8” REG 101 6445 100600
AJ229 (9-1/4”) 229 7-5/8” REG 101 7245 100600

accident remedy tools 3Reversing Sub

The reversing sub is also called reversing spear, which is a special too for revering stuck drill stem above stuck point in drilling and work over operation. In treatment of stuck drill stem, it can work as a fishing pin tap in reversing operation.
When fish is stuck or can not be reversed in fishing or reversing operation, the fish can be reversed from reversing sub and the fishing drill tool can be tripped out.

  Technical Specifications and Parameters for reversing sub.

O.D. Connection (LH) Fishing Thread (RH) Tensile Strength (KN) Torsion Strength (KN.m)
mm In
105 2-7/8” 2-7/8” IF 2-7/8” IF 500 9
120 3-1/2” NC38 NC38 900 15
156 4-1/2” NC50 NC50 1500 35
178 5-1/2” 5-1/2” FH, NC50 5-1/2” FH 2000 50
197 6-5/8” 6-5/8” REG 6-5/8” REG 2500 65

accident remedy tools 4Mechanical Internal Cutter

The mechanical internal cutter is a cutting tool that used for cutting mechanically casings, tubings and drill pipes.

  Technical Specifications and Parameters for mechanical internal cutter.

Model Cutter O.D. (mm) Thread Connection I.D. (mm) Cutting Pipe O.D. mm (in)
ND-J60 46 CYG22 Sucker  12 60.3 (2-3/8”) Tubing
ND-J73 57 Rod Thread 14 73 (2-7/8”) Tubing
ND-J89 67 1.900TBG 14 88.9 (3-1/2”) Tubing
ND-J102 83 2-3/8” TBG, 14 101.6 (4”) Tubing
ND-J114 85  1.900TBG 16 114.3 (4-1/2”) Casing
114.3 (4-1/2”) Tubing
114.3 (4-1/2”) Drill Pipe
127.0 (5”) Drill Pipe
ND-J127 102 2-3/8” TBG 16 127.0 (5”) Casing
ND-J140 112 NC26 16 139.75 (5-1/2”) Casing
ND-J168 127 NC31 20 168.3 (6-5/8”) Casing
ND-J168 138 NC31 20 168.3 (6-5/8”) Casing
ND-J178 145 NC38 40 177.8 (7”) Casing
ND-J219 185 NC38 50 219.1 (8-5/8”) Casing
ND-J245 210 4-1/2” REG 55 244.5 (9-5/8”) Casing
ND-J298 260 5-1/2” FH 80 298.4 (11-3/4”) Casing
ND-J340 295 6-5/8” REG 80 339.7 (13-3/8”) Casing
ND-J406 370 6-5/8” REG 125 406.4 (16”) Casing
ND-J508 475 6-5/8” REG 125 508 (20”) Casing

accident remedy tools 5Hydraulic External Cutter

The hydraulic external cutter, comparing to mechanical external cutter, is easier in structure, more convenient and faster in cutting.

  Technical Specifications and Parameters for hydraulic external cutter.
Model Cutter O.D. (mm) Cutter I.D. (mm) Max. Catch O.D. (mm) Pipe Dia. (mm) Shear Pin Force (KN) Min. Hole Dia. (mm)
WD-S95 95 73 58.74 60.32
61.91 63.50		 33.34 41.28
49.21 52.39		 9 111.13
WD-S103 103 81 65.09 68.26
71.44 73.03
77.79		 33.34
41.28 49.21
52.39 60.33		 9 120.65
WD-S113 113 92 77.79 79.38
80.96 85.73		 49.21 52.39
60.33 73.03		 11 130.18
WD-S119 119 98 85.73 85.73
90.49 95.25		 49.21 52.39
60.33 73.03		 11 136.53
WD-S143 143 109.5 101.6 101.6
103.19 104.78
111.13		 52.39 60.33
73.03 88.90
101.60		 14 158.75
WD-S154 154 124 114.30 117.48
120.65 123.83		 60.33 73.03
88.90 101.60		 14 168.28
WD-S203 203 165 149.23 149.23
158.75 158.75		 88.90 101.60
114.30 127		 14 215
WD-S210 210 171 149.23 149.23
158.75 158.75		 88.90 101.60
114.30 127		 14 219