Product Description
ZSJ/ZXJ Type Drilling Jar (hydraulic-mechanically)
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The drilling jar which is connected with drill tool and worked with drill string is a downhole stuck freeing tool in drilling operation .It is a first selected tool for directional well,complicated well and deep well.The drilling jar is consisting of ZSJ type drilling up jar and ZXJ type drilling down jar,both they can be used mutually or operated separately .The up jarring section takes use of hydraulic mechanism,the jarring force can be adjusted according to up elevating load but can not exceed the max.load for tool load rated .The down jarring section takes use of mechanical friction mechanism, the jarring force is well preadjusted by adjusting device before put into downhole.No re-adjustment can be allowed after jar is put into downhole.
Up jarring test data
| Type |
ZSJ80 |
ZSJ76 |
ZSJ70 |
ZSJ62 |
ZSJ56 |
ZSJ46 |
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Rated release force(KN)
|
400~600 |
400~600 |
350~550 |
300~450 |
200~350 |
150~250 |
Down jarring test data
| Type |
ZXJ80 |
ZXJ76 |
ZXJ70 |
ZXJ62 |
ZXJ56 |
ZXJ46 |
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Max.release force(KN)
|
600 |
600 |
550 |
500 |
400 |
250 |
Thechnical specifications and parameters
Type
Parameters
Item |
ZSJ 80
ZXJ 80 |
ZSJ 76
ZXJ 76 |
ZSJ 70
ZXJ 70 |
ZSJ 62
ZXJ 62 |
ZSJ 56
ZXJ 56 |
ZSJ 46
ZXJ 46 |
| O.D.(mm) |
203 |
197 |
178 |
160 |
146 |
121 |
| I.D(mm) |
71.4 |
71.4 |
70 |
57 |
57 |
51 |
Pull down
overall length
(mm) |
Up |
5515 |
5515 |
5424 |
5360 |
5730 |
5270 |
| Down |
5250 |
5250 |
5215 |
5208 |
5000 |
5125 |
Pull down
stroke(mm) |
Up |
368 |
368 |
344 |
344 |
332 |
305 |
| Down |
178 |
178 |
178 |
178 |
180 |
178 |
| Thread conn. API |
6 5/8"REG |
6 5/8"REG |
NC50 |
NC46 |
6 5/8"REG |
NC38 |
| Max.tensile load(KN) |
2500 |
2500 |
2500 |
2500 |
2500 |
2500 |
| Max.Working Torque(N.m) |
20 x 103 |
18 x 103 |
15 x 103 |
15 x 103 |
15 x 103 |
13 x 103 |
| Weight(KG) |
Up |
1085 |
980 |
680 |
530 |
480 |
330 |
| Down |
1027 |
920 |
645 |
520 |
457 |
310 |
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CSJ Type Super Fishing Jar
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CSJ type super fishing jar is a fishing tool which the jarring force is larger than other jar with same specification.
It features a closed structure,reliable performance,easy to adjust and easy to operate. It is a new type of up jarring tool used in oilfield , geological exploration and drilling operation.
Thechnical specifications and parameters
Type
Parameter |
CSJ44B |
CSJ46B |
CSJ62B |
CSJ64B |
CSJ70B |
CSJ80B |
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Pull-down length(mm)
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4065 |
4065 |
4410 |
4410 |
4430 |
4430 |
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O.D.(mm)
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114 |
121 |
160 |
165 |
178 |
203 |
| I.D.(mm) |
38 |
45 |
57 |
57 |
60 |
71 |
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Stroke(mm)
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305 |
305 |
320 |
320 |
320 |
330 |
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Tensile load(KN)
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780 |
980 |
1270 |
1370 |
1570 |
1870 |
| Max.tension downhole(KN) |
340 |
400 |
700 |
750 |
800 |
800 |
| Sealing pressure(Mpa) |
20 |
20 |
20 |
20 |
20 |
20 |
| Highest working temperature |
150 |
150 |
150 |
150 |
150 |
150 |
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API connection
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NC31 |
NC38 |
NC50 |
NC50 |
NC50 |
6 5/8 REG |
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YSJ Type Hydraulic Up Jars
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YSJ Type hydraulic up jar reach up jarring purpose by applying hydraulic principle and bigelastic energy released suddenly from elastic deformed drill tool. It will obtain better result when use with ZJS type jar extensifier.
Thechnical specifications and parameters
| Parameter\Type |
YSJ114B |
YSJ121B |
YSJ159B |
YSJ178B |
YSJ203B |
| O.D.(mm) |
114 |
121 |
159 |
178 |
203 |
| I.D.(mm) |
38 |
38 |
57 |
57 |
70 |
| Work stroke(mm) |
289 |
290 |
380 |
380 |
390 |
| Max.work torque(kN.m) |
4.9 |
7.8 |
15 |
19.6 |
23.5 |
| Max.jarring lifting tons(tf) |
200 |
300 |
710 |
750 |
800 |
| Sealing pressure(MPa) |
20 |
20 |
20 |
20 |
20 |
| Max.work temperature |
150 |
150 |
150 |
150 |
150 |
| API connection |
NC31 |
NC38 |
NC50 |
NC50 |
6 5/8 REG |
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ZJS Type Jar Intensifier
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The ZJS type jar intensifier is a down hole fishing jar designed to increase jarring energy to up jar .Therefore ,it must be run in conjunction with CSJ type super jar or YSJ type hydraulic up jar .Its function mainly is to supply acceleration to the upper end of the jar during the free jarring stroke .With a special function ,the intensifier is essentially a fluid spring which not only can accelerate the up jarring action but also make the jarring action directly to strike on the fish and reduce damages to the drill tool and fishing tool .
Thechnical specifications and parameters
Type
mm (in) |
ZJS108
(ZJS42) |
ZJS114
(ZJS44) |
ZJS121
(ZJS46) |
ZJS146
(ZJS56) |
ZJS159
(ZJS62) |
ZJS178
(ZJS70) |
ZJS203
(ZJS80) |
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O.D.(mm)
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108 |
114 |
121 |
146 |
159 |
178 |
203 |
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I.D(mm)
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32 |
38 |
38 |
51 |
57 |
57 |
70 |
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Overall length of pull down (mm)
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4200 |
3650 |
3500 |
4000 |
4700 |
3950 |
3970 |
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stroke(mm)
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330 |
210 |
230 |
330 |
330 |
310 |
320 |
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Thread
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NC31 |
NC31 |
NC38 |
NC40 |
NC50 |
NC50 |
6 5/8"REG |
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Max.tensile load downhole (KN)
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700 |
800 |
900 |
1200 |
1500 |
1800 |
2200 |
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Sealing pressure Mpa
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20 |
20 |
20 |
20 |
20 |
20 |
20 |
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Pull down Full stroke force (tf)
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32-38 |
25-30 |
30-35 |
35-40 |
62-67 |
75-85 |
90-100 |
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DJ Type Surface Bumper Jar
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The DJ Type Surface Bumper Jar is an effective tool for resolving the problem of stuck drill tool in down hole.It is connected with the surface section of drill string, the device to adjust the tonnage shall protrude from the rotary disc face,the violent down jarring to the stuck catch can be clearly seen when the surface jar makes jarring operation. The jarring strength for the tool can be easily adjusted and it is a easy operated ,unique designed tool which can make continuous down jarring .The surface jar ,which not only can bear heavy load and strong torque but also owns a good sealing property and can withstand the mud circulation with high pump pressure,has proven to be an safe,successfully effective releasing tool through many years��application.
Thechnical specifications and parameters
Type
Parameter |
DJ46B(4 3/4") |
DJ70B(7") |
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O.D. mm (in)
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121(4 3/4) |
178 (7) |
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Max.Jarring force MN (tf)
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0.4(41 +- 5) |
0.8 (80 +- 5) |
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Max.Tension Load MN (tf)
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1.2(122) |
1.5 (153) |
| Sealing Pressure Mpa (kgf/cm2) |
20(196) |
20(196) |
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Stroke mm (in)
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1500 (59) |
1220 (48) |
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I.D. mm (in)
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32(1 1/4) |
51(2) |
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Thread Connection
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NC38 (3 1/2 IF) |
NC50 (4 1/2 IF) |
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Closed Length mm (in)
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3155 (124.2) |
3090 (121.8) |
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KXJ Type Fishing Bumper Subs
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The fishing bumper sub is a kind of mechanical down jarring tool with long wrking stroke. It can jar stuck pipe stem repeatedly to loose stuckpoint to release stuck pipe.
Thechnical specifications and parameters
| Parameter\Type |
KXJ44B |
KXJ46B |
KXJ56B |
KXJ62B |
KXJ70B |
KXJ80B |
| O.D.(mm) |
114 |
121 |
146 |
159 |
178 |
203 |
| I.D.(mm) |
38 |
38 |
51 |
51 |
70 |
70 |
| Sealing pressure (MPa) |
20 |
20 |
20 |
20 |
20 |
20 |
| Max.tensile load (tf) |
112 |
122 |
132 |
143 |
153 |
163 |
| Work stroke (mm) |
1000 |
1000 |
1200 |
1400 |
1400 |
1500 |
| Connection |
NC31 |
NC38 |
NC40 |
NC50 |
NC50 |
6 5/8 REG |
| Closed length(mm) |
2100 |
2110 |
2300 |
2600 |
2650 |
2740 |
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BXJ Type Lubricated Fishing Bumper Subs
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The BXJ Type Lubricated Fishing Bumper Sub is a mechanical down jaring tool whose all moving parts are bathed in closed chamber to enjoy long service life.It is suitable for using in deep hole and middle deep hole.
Thechnical specifications and parameters
| Parameter\Type |
BXJ62B |
BXJ70B |
| O.D.(mm) |
159 |
178 |
| I.D.(mm) |
57 |
70 |
| Sealing pressure (MPa) |
20 |
20 |
| Max.tensile load (tf) |
143 |
153 |
| Work stroke (mm) |
460 |
465 |
| Connection |
NC50 |
NC50 |
| Closed length(mm) |
2730 |
2950 |
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SJ Type Double -Way Bumper (shock absorber)
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The SJ type double way bumper is a kind of double-way shock absorbing tool which is used to simultaneously slow down or eliminate the vertically or horizontally shock from drill string.It can reduce the damage due to shocking to drill bit, drilling tool and surface drilling tool so that the purpose of raising drilling speed and of reducing drilling cost shall be reached.
Thechnical specifications and parameters
| Type |
O.D.
(mm) |
I.D.
(mm) |
Max.stroke
(mm) |
Ambient
temperature
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Max.
torque
(KN.m)
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Max.bit
weight
(KN) |
Tensile load
(KN) |
Pull-down
overallength
(mm) |
Thread
conn. |
| SJ121B |
121 |
38 |
120 |
-40~150 |
10 |
200 |
1000 |
5300 |
3 1/2"REG |
| SJ160B |
160 |
45 |
120 |
-40~150 |
15 |
340 |
1500 |
5252 |
NC46 |
| SJ178B |
178 |
57 |
120 |
-40~150 |
15 |
400 |
1500 |
5350 |
NC50 |
| SJ203B |
203 |
64 |
120 |
-40~150 |
20 |
480 |
1960 |
5853 |
6 5/8"REG |
| SJ229B |
229 |
71 |
120 |
-40~150 |
20 |
540 |
1960 |
5900 |
7 5/8"REG |
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YJ typeOne-Way Shock Absorber
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YJ tupe one-way shock absorber is a kind of drilling tool which effects shock absorption by depending on hydraulicoil under external force through elastic deformation and damping.With some features of simple construction,easy and reliable operation,it can fully overcome the impact and shocking load from drill strings during drilling operation. Taking use of the shock absorber,it can raise the service life for drill bit and drill tool,speed up drilling,get rid of drilling jumping ,well protect surface equipments and drilling tools.
Thechnical specifications and parameters
| Type |
O.D.
(mm) |
I.D.
(mm) |
Max.stroke
(mm) |
Max.bit
weight
(KN) |
Tensile
strength
(KN) |
Ambient
temperature |
Thread
conn. |
Pull-down
overallength
(mm) |
Sealling
Pressure
Mpa |
| YJ121B |
121 |
38 |
121 |
265 |
1000 |
-40~150 |
3 1/2"REG |
3950 |
30 |
| YJ160B |
160 |
45 |
120 |
343 |
1500 |
-40~150 |
NC46 |
4100 |
30 |
| YJ178B |
178 |
57 |
125 |
392 |
1500 |
-40~150 |
NC50 |
3845 |
30 |
| YJ203B |
203 |
64 |
150 |
490 |
2000 |
-40~150 |
6 5/8"REG |
4045 |
30 |
| YJ229B |
229 |
70 |
150 |
539 |
2000 |
-40~150 |
7 5/8"REG |
3800 |
30 |
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