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 ADD: Economic Development Zone,Dezhou City,Shandong Province P,R China 
Tel/Fax: 0086-531-69959201 
 Post Code: 253000 
 E-mail: sales@saigaogroup.com
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API Surface Bumper Jar for Oilfield

Model: DX178-1
ODmm(inch): 178 (7)
IDmm(inch): 57.2 (2 1/4)
Max. Releasing Force: 800kN
Max. Tensile Load: 1800kN
Max.Working Torque: 15kN.M
Working Temperature: -40~120

Quantity:
  • DX178-1
  • SAIGAO
  • API STANDARD
  • SAIGAO
  • China
API Surface Bumper Jar for Oilfield

DXZ Surface bumper jar is a tool releasing stuck for down hole tools on the wellhead. It applies to release stuck which needs downward jarring like key slot, shrink neck, fall off block, sticking to suck etc. It also can relieve down hole fishing tools when surface bumper jar is working on wellhead. No matter what parts of drill stems stuck, slips down hole tools stuck, fishing tools stuck or testing work over tools, well washing tools stuck, it all can use surface bumper jar to release stuck.
DXZ Surface bumper jar is a new type full mechanical surface bumper jar. It overcomes previous defect of friction type's slips are easy to burn and adjusting is not exact. It can adjust jarring release force at any time, and easy exact stable to adjust.
We produce H2S resistance Jars, which adopt high quality import sulfur-resistance material.

Model DX178-1
OD mm(inch) 178(7)
ID mm(inch) 57.2(2 1/4)
Allowed max. releasing force kN 800
Ex-factory calibrate releasing force kN 380420
Max. tensile load kN 1800
Max. working torque kN·m 15
Sealing pressure MPa 20
connection API NC50
Length mm(inch) 4200(165)
working temperature -40120
 
Type O.D.
(mm/inch)
I.D.
(mm/inch)
Connection
(mm/inch)
Max. Jarring Force
KN
Max. Stroke
(mm/inch)
Closed OAL
(mm/inch)
DJ178-I 178(7) 48(1-7/8) NC50 750 1200(47-1/4) 3020(118-7/8)
DJ178-II 178(7) 57.2(2-1/4) NC50 800 1000(39-3/8) 4200(165-23/64)

safety valve , liner hanger, downhole motor

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CONTACT US

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  ADD:No.12111,Jingshi Road,Lixia District,Jinan City,Shandong                       Province.P.R.China.
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  Tel/Fax: 0086-531-69959201 
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